CN205049291U - Propeller balance testing arrangement - Google Patents
Propeller balance testing arrangement Download PDFInfo
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- CN205049291U CN205049291U CN201520695116.1U CN201520695116U CN205049291U CN 205049291 U CN205049291 U CN 205049291U CN 201520695116 U CN201520695116 U CN 201520695116U CN 205049291 U CN205049291 U CN 205049291U
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- Prior art keywords
- propeller
- balance
- proving installation
- support bar
- installation according
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Abstract
The utility model discloses a propeller balance testing arrangement, it includes, the base, bracing piece, detachably set up in on the base, fixed bolster, detachably are connected in the bracing piece and the position of fixed bolster on the bracing piece is adjustable, the balance test subassembly sets up in the inside of fixed bolster, balanced coupling mechanism erects in the fixed bolster for the fixed examination screw that awaits measuring. The position of fixed bolster on the bracing piece is adjustable, when testing not unidimensional screw, can adjust the height of fixed bolster on the bracing piece, prevents the unable test of blade oversize, still having solved traditional propeller balance testing arrangement, can only to test the propeller hub be the technical problem who runs through the propeller balance performance of structure, has enlarged testing arrangement's range of application, and simple structure, low cost.
Description
Technical field
The utility model relates to a kind of balance test device, relates in particular to a kind of propeller balance proving installation.
Background technology
Screw propeller depends on blade to rotate in air or water, is the device of propelling power by engine rotation power conversion, and two or more leaf can be had to be connected with hub, and the one side backward of leaf is helicoid or a kind of ship's propeller being similar to helicoid.Screw propeller is divided into a variety of, and application is also very extensive, as the thruster etc. of aircraft, steamer.Newly make screw propeller due to casting and mismachining tolerance aspect, as the error of angle, blade back rake angle between the thickness of blade, width, blade; Or screw propeller uses through actual, each blade inclination angle, pitch are changed because of timeliness effect, due to the chemical property of material, the unevenness of mechanical property, it is unbalanced that result makes each blade chemical corrosion, bubble cavitation, wearing and tearing etc. present, blade damage reparation, after cut edge, grinding process is improper, and these all can cause unbalanced propeller, makes screw propeller produce vibration when high-speed rotation.
Therefore, need to carry out balance test to it and correct to cause unbalanced factor after screw propeller is manufactured or after maintenance polishing, it is caused to vibrate under high-speed rotation to avoid the imbalance of screw propeller, harmful effect is produced to himself intensity, accelerate bearing wear, but in propeller balance proving installation of the prior art, support height is unadjustable, be fixedly connected with base, when propeller size is bigger than normal, easily make propeller blade to be tested directly contact base, cannot test, thus cannot test the screw propeller of different size flexibly; Screw propeller is all held in the middle part of connecting screw rod and tests by propeller balance proving installation of the prior art in addition, is only applicable to the screw propeller of the propeller hub with two ends communicating structure, cannot tests the balance quality that propeller hub one end is the screw propeller of enclosed construction; Further, existing propeller balance proving installation complex structure, cost of manufacture is high.
Utility model content
For this reason, technical problem to be solved in the utility model is that in prior art, propeller balance proving installation height cannot regulate, the screw propeller of different size can not be tested flexibly, be not suitable for the situation that propeller hub one end is enclosed construction, and complex structure, cost of manufacture is high, thus proposes a kind of Height Adjustable, be applicable to the screw propeller of different propeller hub situation, structure is simple, test propeller balance proving installation convenient, with low cost.
For solving the problems of the technologies described above, the technical solution of the utility model is:
The utility model provides a kind of propeller balance proving installation, and it comprises,
Base;
Support bar, is removable installed on described base;
Fixed support is the hollow-core construction of upper end open, is removably connected to adjacent two described support bars and the position-adjustable of described fixed support on described support bar;
Balance test assembly, is arranged at described support bracket fastened described hollow-core construction inner, for testing propeller balance performance;
Balanced connection mechanism, is set up in described balance test assembly, for fixing screw propeller to be tested.
As preferably, two conical fastener that described balanced connection mechanism comprises connecting link, is sheathed on two clamping sleeves on connecting link and is arranged between two described clamping sleeves.
As preferably, described conical fastener is metalwork, and two tips of conical fastener are oppositely arranged, and is also provided with spring between the tail end of described conical fastener and the clamping sleeve of contiguous described tail end.
As preferably, two described fixed supports are oppositely arranged, and two described fixed support bottom symmetries offer two through hole, and described through-hole aperture is greater than described connecting link diameter.
As preferably, described clamping sleeve, described conical fastener can be slided by relative described connecting link with described spring.
As preferably, often organize described balance test assembly by radially to partly overlap and relatively turnable two disks form, the area of described lap accounts for often organizes 19.5% of described disk area.
As preferably, often organize described disk by being connected to described fixed support through the rotation axis in the center of circle, and can rotate around described rotation axis.
As preferably, described fixed support is fixed on described support bar by holding screw, and described holding screw head is provided with the through hole for holding described support bar, and afterbody is connected with the nut for fastening described fixed support and described support bar; Described fixed frame is provided with scale, for adjusting the height of the relatively described support bar of described fixed frame.
As preferably, described base is provided with two row's screws, for mating with the screw thread of described support bar end, and fixing described support bar.
As preferably, described connecting link end is provided with the external thread mated with propeller hub internal thread to be tested.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) propeller balance proving installation described in the utility model, is characterized in that, comprise, base, support bar, fixed support, balance test assembly and balanced connection mechanism.Wherein fixed support is removably connected to adjacent two described support bars and the position-adjustable of described fixed support on described support bar, when testing the screw propeller of different size, the height of fixed support on support bar can be regulated, prevent that blade dimensions is excessive cannot test, can test the screw propeller of various sizes flexibly, range of application is wider.
(2) propeller balance proving installation described in the utility model, described balanced connection mechanism is by connecting link, two clamping sleeves, two conical fastener and spring, for the screw propeller that propeller hub one end is closed, described connecting link end is provided with the external thread matched with propeller hub internal thread, during test, by screw propeller by described, external thread is fixed on described connecting link end, regulate support bracket fastened height, make the other end of connecting link through the circular hole on fixed support, fixed support is made to play the effect of counterweight, prevent screw propeller and connecting link out of trim from cannot test, during test, if during test there is mass deviation in screw propeller both sides blade, described connecting link can rotate by two disks in described balance test assembly, the blade of laying particular stress on can decline under gravity, then can judge that this propeller balance is defective, if screw propeller is without side blade decline phenomenon, then balance quality is good.Solve traditional propeller balance test device and can only test the technical matters that propeller hub is the propeller balance performance running through structure, expand the range of application of proving installation, and structure is simple, with low cost, it is fast convenient to test.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein:
Fig. 1 is the structural representation of screw propeller proving installation described in embodiment 1 and screw propeller;
The screw propeller proving installation of another kind of embodiment and the structural representation of screw propeller in Fig. 2 embodiment 1;
Fig. 3 is the exploded view of balanced connection mechanism described in embodiment 1;
Fig. 4 is the structural representation of screw propeller proving installation described in embodiment 2 and screw propeller;
Fig. 5 is the exploded view of balanced connection structure described in embodiment 2.
In figure, Reference numeral is expressed as: 1-base; 2-support bar; 3-fixed support; 4-balance test assembly; 5-connecting link; 6-clamping sleeve; 7-conical fastener; 8-screw; 9-spring; 10-through hole; 11-holding screw; 12-nut; 13-fixed screw; 14-propeller hub.
Embodiment
Embodiment 1
As shown in Figure 1, the utility model provides a kind of propeller balance proving installation, and it comprises,
Base 1;
Support bar 2, described base 1 four jiaos is removable installed in by fixed screw 13, described base 1 is provided with two row's screws 8, arranges described screw 8 can adapt to different types of propellers to be tested for matching with the screw thread of described support bar 2 end with fixing described support bar 2, two;
Fixed support 3, for the hollow-core construction of upper end open, removably be connected to adjacent two described support bars 2 and the position-adjustable of described fixed support 3 on described support bar 2, described fixed frame 3 is provided with scale, for adjusting the height of the relatively described support bar 2 of described fixed frame 3; Described fixed support 3 is 2, be oppositely arranged, two described fixed support 3 bottom symmetries offer two through hole 10, fixed support 3 is fixed on described support bar 2 by holding screw 11, described holding screw 11 head is provided with the through hole for being socketed described support bar 2, and afterbody is connected with for the nut 12 of fastening described fixed support 3 with described support bar 2;
Balance test assembly, the described hollow-core construction being arranged at two described fixed supports 3 is respectively inner, often group is by radially to partly overlap and relatively turnable two disks form, the area of described lap accounts for described disk area 19.5%, often organize described disk by being connected to described fixed support 3 through the rotation axis in the center of circle, and can rotate around described rotation axis;
Balanced connection mechanism, be set up in the overlapping of two disks of described fixed support 3 inner equilibrium test suite, for fixing screw propeller to be tested, described balanced connection mechanism comprises connecting link 5, be sheathed on two clamping sleeves 6 on connecting link 5, be arranged at two conical fastener 7 between described two clamping sleeves 6, described conical fastener 7 is metalwork, it can be stainless steel, copper, iron, any one in the metals such as aluminium, play the effect of fixing screw propeller, two tips of conical fastener 7 are oppositely arranged, spring 9 is also provided with between the clamping sleeve of described two conical fastener 7 tail ends and contiguous described tail end.
Further, described connecting link 5 diameter is less than the aperture of through hole 10, and described clamping sleeve 6, described conical fastener 7, described spring 9 can slide by relatively described connecting link 5.
Described in the present embodiment, propeller hub 14 is communicating structure, the test process of its balance test device is: during test, described screw propeller is sheathed between two conical fastener 7, and make two clamping sleeves 6 compress two springs 9, described screw propeller is made to be fixed on described connecting link 5, balanced connection mechanism is erected at the top at the described overlapping place of disk, if during test there is mass deviation in screw propeller both sides blade, described connecting link 5 can rotate by two disks in described balance test assembly 4, the blade of laying particular stress on can decline under gravity, then can judge that this propeller balance is defective, if screw propeller is without side blade decline phenomenon, then balance quality is good, when testing the screw propeller of different size, the height of adjustable fixed support 3 on described support bar 2 carrys out the height of adjustment test suite 4.
Or, as disposable embodiment, as shown in Figure 2, during test, described screw propeller is sheathed between two conical fastener 7, and make two clamping sleeve 8 compressions, two springs 9, make described screw propeller be fixed on described connecting link 5, one end of connecting link 5 is erected at the top of balance test assembly 4 described in a group in a fixed support 3; Another fixed support 3 and support bar 2 are fixed in the screw in the middle part of base 1, and adjust the height of this fixed support 3, make the other end of connecting link 5 through described through hole 10, and described connecting link 5 level can be kept, fixed support 3 away from screw propeller side plays the effect of counterweight, when preventing screw propeller weight larger, makes balanced connection mechanism out of trim, cannot test, this test process is applicable to the balance quality test of the screw propeller of heavier mass; The exploded view of balanced connection mechanism described in above-mentioned two kinds of embodiments as shown in Figure 3.
Embodiment 2
As illustrated in figures 4-5, screw propeller proving installation structure described in the present embodiment is substantially the same manner as Example 1, difference is, for the screw propeller that propeller hub 14 one end is closed nut structure, described screw propeller is fixed on an end of described connecting link 5, described connecting link 5 end is provided with the external thread matched with described propeller hub internal thread, and described connecting link 5 is connected by the threaded engagement matched each other with described propeller hub; And spring is only arranged at away between the conical fastener 7 of described screw propeller side and clamping sleeve.
Its test process is: during test, described screw propeller is fixed on the end of described connecting link 5, and make clamping sleeve 6 holddown spring 9, one end being fixed with screw propeller of connecting link 5 is erected at the top of balance test assembly 4 described in a group in a fixed support 3, adjust the height of another fixed support 3, make the other end of connecting link 5 through described through hole 10, and make described connecting link 5 maintenance level, fixed support 3 away from screw propeller side plays the effect of counterweight, when preventing screw propeller weight larger, make balanced connection mechanism out of trim, cannot test.During test, if during test there is mass deviation in screw propeller both sides blade, described connecting link 5 can rotate by two disks in described balance test assembly 4, the blade of laying particular stress on can decline under gravity, then can judge that this propeller balance is defective, if screw propeller is without side blade decline phenomenon, then balance quality is good.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain that the utility model creates.
Claims (10)
1. a propeller balance proving installation, is characterized in that, comprises,
Base;
Support bar, is removable installed on described base;
Fixed support is the hollow-core construction of upper end open, is removably connected to adjacent two described support bars and the position-adjustable of described fixed support on described support bar;
Balance test assembly, is arranged at described support bracket fastened described hollow-core construction inner, for testing propeller balance performance;
Balanced connection mechanism, is set up in described balance test assembly, for fixing screw propeller to be tested.
2. propeller balance proving installation according to claim 1, is characterized in that, two conical fastener that described balanced connection mechanism comprises connecting link, is sheathed on two clamping sleeves on connecting link and is arranged between two described clamping sleeves.
3. propeller balance proving installation according to claim 2, it is characterized in that, described conical fastener is metalwork, and two tips of conical fastener are oppositely arranged, and is also provided with spring between the tail end of described conical fastener and the clamping sleeve of contiguous described tail end.
4. propeller balance proving installation according to claim 3, is characterized in that, two described fixed supports are oppositely arranged, and two described fixed support bottom symmetries offer two through hole, and described through-hole aperture is greater than described connecting link diameter.
5. propeller balance proving installation according to claim 4, is characterized in that, described clamping sleeve, described conical fastener can be slided by relative described connecting link with described spring.
6. propeller balance proving installation according to claim 5, is characterized in that, often organize described balance test assembly by radially to partly overlap and relatively turnable two disks form, the area of described lap accounts for often organizes 19.5% of described disk area.
7. propeller balance proving installation according to claim 6, is characterized in that, often organizes described disk by being connected to described fixed support through the rotation axis in the center of circle, and can rotate around described rotation axis.
8. propeller balance proving installation according to claim 7, it is characterized in that, described fixed support is fixed on described support bar by holding screw, described holding screw head is provided with the through hole for holding described support bar, and afterbody is connected with the nut for fastening described fixed support and described support bar; Described fixed frame is provided with scale, for adjusting the height of the relatively described support bar of described fixed frame.
9. propeller balance proving installation according to claim 8, is characterized in that, described base is provided with two row's screws, for mating with the screw thread of described support bar end, and fixing described support bar.
10. propeller balance proving installation according to claim 9, is characterized in that, described connecting link end is provided with the external thread mated with propeller hub internal thread to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520695116.1U CN205049291U (en) | 2015-09-09 | 2015-09-09 | Propeller balance testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520695116.1U CN205049291U (en) | 2015-09-09 | 2015-09-09 | Propeller balance testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205049291U true CN205049291U (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520695116.1U Expired - Fee Related CN205049291U (en) | 2015-09-09 | 2015-09-09 | Propeller balance testing arrangement |
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| CN (1) | CN205049291U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817071A (en) * | 2017-11-28 | 2018-03-20 | 汪哲宇 | Propeller planometer |
| CN116577020A (en) * | 2023-07-13 | 2023-08-11 | 常州市中海船舶螺旋桨有限公司 | Marine screw static balance check out test set |
| CN116839810A (en) * | 2023-08-30 | 2023-10-03 | 苏州海通机器人系统有限公司 | Automatic measuring system for mass moment of engine blade and blade assembling method |
-
2015
- 2015-09-09 CN CN201520695116.1U patent/CN205049291U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817071A (en) * | 2017-11-28 | 2018-03-20 | 汪哲宇 | Propeller planometer |
| CN116577020A (en) * | 2023-07-13 | 2023-08-11 | 常州市中海船舶螺旋桨有限公司 | Marine screw static balance check out test set |
| CN116577020B (en) * | 2023-07-13 | 2023-10-20 | 常州市中海船舶螺旋桨有限公司 | Marine screw static balance check out test set |
| CN116839810A (en) * | 2023-08-30 | 2023-10-03 | 苏州海通机器人系统有限公司 | Automatic measuring system for mass moment of engine blade and blade assembling method |
| CN116839810B (en) * | 2023-08-30 | 2023-11-24 | 苏州海通机器人系统有限公司 | Automatic measuring system for mass moment of engine blade and blade assembling method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |