CN102213641B - Wrenching-stopping device - Google Patents
Wrenching-stopping device Download PDFInfo
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- CN102213641B CN102213641B CN2011100911699A CN201110091169A CN102213641B CN 102213641 B CN102213641 B CN 102213641B CN 2011100911699 A CN2011100911699 A CN 2011100911699A CN 201110091169 A CN201110091169 A CN 201110091169A CN 102213641 B CN102213641 B CN 102213641B
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- turning round
- round
- dish
- pull bar
- connecting hole
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Abstract
The invention provides a wrenching-stopping device which comprises a wrenching-stopping disk (1) and a plurality of wrenching-stopping pull rods (2), wherein the wrenching-stopping disk (1) is coaxially arranged on a shaft to be tested (10), the wrenching-stopping pull rods (2) are arranged on the circumferential direction of the wrenching-stopping disk (1), the first end of each wrenching-stopping pull rod (2) is connected to the periphery of the wrenching-stopping disk (1) and the second ends of the wrenching-stopping pull rods (2) are fixed ends. The invention effectively solves the problem of incapability of stopping wrenching in a shaft fatigue test and has the advantages of simple structure and convenience for operation.
Description
Technical field
The present invention relates to mechanical field, in particular to a kind of device of only turning round.
Background technology
Certain model is gone straight up to a class vital part---the tail-rotor axle that tail passes system, adopts axle and gear former welding fabrication, needs to transmit the torque load of tail-rotor in real work.In order to realize in the situation that the tail-rotor axle do not rotate, examine the fatigue lifetime of such part, need to apply multiple load such as rotation moment of flexure, rotary shear, axial force, shearing, moment of torsion to it, wherein rotate moment of flexure, rotary shear, axial force and all can come balance by the corresponding cooperation strong point, and test torque, owing to being that gear structure by line (face) combination transmits in real work, thereby be difficult to only turn round by corresponding mating parts.
Summary of the invention
The present invention aims to provide a kind of device of only turning round, with the problem that can't only turn round in the axle torture test that solves prior art.
To achieve these goals, the invention provides a kind of device of only turning round, comprising: only turn round dish, coaxial being arranged on tested axle; Around only turning round circumferentially a plurality of pull bars of only turning round of setting of dish, wherein, the first end of respectively only turning round pull bar connects to be turned round on the periphery of dish to end, and the second end is stiff end.
Further, the center of only turning round dish has the first mounting hole that the axle head that makes tested axle passes, the outer setting of the first mounting hole have a plurality of for be connected the second mounting hole that the gear disc of axle connects.
Further, the periphery of only turning round dish has a plurality of lugs, the first connecting hole that has axial setting on each lug is respectively only turned round on the first end of pull bar and is provided with the second connecting hole, and lug is turned round pull bar and connected with the web member of being connected in connecting hole by being located in the first connecting hole with being connected.
Further, web member comprises: coupling bolt is located in the first connecting hole and the second connecting hole; The attaching nut is screwed onto on the thread end of coupling bolt.
Further, also be provided with bearing between the first connecting hole and web member.
Further, the first end of respectively only turning round pull bar all is fork configuration, and each lug is separately positioned in the groove of each fork configuration.
Further, bearing is oscillating bearing.
Further, be provided with pad between bearing and fork configuration, pad is set on web member.
Further, only turning round pull bar is four, evenly is arranged on the periphery of only turning round dish, and respectively only turns round pull bar and all extend towards stiff end along the counter clockwise direction of only turning round dish.
Further, respectively only turn round pull bar all with only turn round the dish tangent setting.
The device of only turning round of the present invention, by only turning round the fixing tested axle of dish, around only turning round dish, a plurality of pull bars of only turning round are set circumferentially, an end of only turning round pull bar connects to be turned round on the periphery of dish to end, the other end is fixedly connected on fixed support (as column), realize circumferentially fixing tested axle, thereby realized only turning round; It is easy to operate, simple in structure that this only turns round device, by regulating the Tightening moment of only turning round pull bar, can realize only turning round the uniform used load of only turning round that applies on pull bar.
Description of drawings
The Figure of description that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 shows the scheme of installation of only turning round the embodiment of device according to of the present invention;
Fig. 2 shows the schematic top plan view of only turning round the embodiment of device according to of the present invention;
The master who only turns round device that Fig. 3 shows Fig. 2 looks schematic diagram;
Fig. 4 shows the structural representation of only turning round pull bar of only turning round device of Fig. 2.
Embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
In conjunction with referring to Fig. 1-2, Fig. 2 shows the structural drawing of only turning round the preferred embodiment of device of the present invention, and this is only turned round device and comprises: only turn round dish 1, coaxial being arranged on tested axle 10; Around only turning round circumferentially a plurality of pull bars 2 of only turning round of setting of dish 1, wherein, the first end of respectively only turning round pull bar 2 connects on the periphery of turning round to end dish 1, and the second end is stiff end.The device of only turning round of the present invention, by only turning round the fixing tested axle 10 of dish 1, around only turning round dish 1, a plurality of pull bars 2 of only turning round are set circumferentially, an end of only turning round pull bar 2 connects on the periphery of turning round to end dish 1, the other end is fixedly connected on fixed support (as column), realize circumferentially fixing tested axle, thereby realized only turning round; It is easy to operate, simple in structure that this only turns round device, by regulating the Tightening moment of only turning round pull bar 2, can realize only turning round the uniform used load of only turning round that applies on pull bar 2.
Preferably, as shown in Figure 2, only turn round dish 1 center and have the first mounting hole 11 that the axle head that makes tested axle 10 passes, tested axle 10 passes the first mounting hole 11 and coils 1 and be connected with only turning round, and in the present embodiment, tested axle is the tail-rotor axle.The outer setting of the first mounting hole 11 have a plurality of for be connected the second mounting hole 12 that the gear disc 20 of axle connects, as shown in Figure 2, in the present embodiment, tail-rotor axle and gear former 20 are integrally welded, the second mounting hole 12 is seven, again as shown in Figure 1, only turning round dish 1 is connected by seven groups of bolt, screw connectors that pass the second connecting hole 12 with the tail-rotor axle.
Preferably, as shown in Figures 2 and 3, the periphery of only turning round dish 1 has a plurality of lugs 14, the first connecting hole 13 that has axial setting on each lug 14, respectively only turn round on the first end of pull bar 2 and be provided with the second connecting hole 21, lug 14 is turned round pull bar 2 and is connected with the web member 3 of being connected in connecting hole 21 by being located in the first connecting hole 13 with being connected.A kind of preferred embodiment of only turning round pull bar 2 has been shown in Fig. 4, and as can be seen from Figure 4, the first end of respectively only turning round pull bar 2 all is fork configuration 22, and the lug 14 of only turning round dish 1 is arranged in the groove of this fork configuration of only turning round pull bar 2 22.Simultaneously preferably, web member 3 comprises: coupling bolt 31 is located in the first connecting hole 13 and the second connecting hole 21; The attaching nut 32, are screwed onto on the thread end of coupling bolt 31.Certainly, web member 3 is not limited to above-mentioned structure, also can use other web members, such as pin, as long as can reach the effect that connection is only turned round dish 1 and only turned round pull bar 2.
Preferably, as shown in Figure 3, also be provided with bearing 4 between the first connecting hole 13 and web member 3, the present embodiment centre bearer 4 is oscillating bearing.Setting due to bearing 4, the tail-rotor axle stops axially and radially not retraining on pinch plane, in addition due to the actual support structures shape of tail-rotor axle the tail-rotor axle on pinch plane only axially and radial displacement very little, thereby only the torsional test device is actual can only play the circumferentially fixedly effect of tail-rotor axle, namely only can realize only torsion effect, satisfy test and load requirement.In addition preferably, be provided with pad 5 between bearing 4 and fork configuration 22, pad 5 is set on web member 3, pad 5 the wearing and tearing that effectively prevented between part are set, thereby extend the life-span of only turning round device.
As a kind of preferred embodiment, as can be seen from Figure 2, only turning round pull bar 2 is four, evenly is arranged on only to turn round on dish 1 periphery, only turns round pull bar 2 and all coils 1 counter clockwise direction and extend towards stiff end along only turning round, and all coil 1 tangent setting with only turning round.The carrying out of only turning round the device success of the present embodiment the high and low cycle fatigue test of tail-rotor axle, only turn round effectively, simple to operate, have promotional value.
The above is only the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. only turn round device for one kind, it is characterized in that, comprising:
Only turn round dish (1), coaxial being arranged on tested axle (10);
Only turn round around described a plurality of pull bars (2) of only turning round that dish (1) circumferentially arranges, wherein, each described first end of only turning round pull bar (2) is connected on the described periphery of only turning round dish (1), and the second end is stiff end; Each is described only turns round pull bar (2) and all only turns round the tangent setting of dish (1) with described;
The described center of only turning round dish (1) has the first mounting hole (11) that the axle head that makes described tested axle (10) passes, the outer setting of described the first mounting hole (11) have a plurality of for be connected the second mounting hole (12) that the gear disc (20) of tested axle connects.
2. the device of only turning round according to claim 1, it is characterized in that, the described periphery of only turning round dish (1) has a plurality of lugs (14), the first connecting hole (13) that has axial setting on each described lug (14), each is described only turns round on the first end of pull bar (2) and is provided with the second connecting hole (21), and described lug (14) is only turned round pull bar (2) and connected with the web member (3) of being connected in the second connecting hole (21) by being located in described the first connecting hole (13) with being connected.
3. the device of only turning round according to claim 2, is characterized in that, described web member (3) comprising: coupling bolt (31) is located in described the first connecting hole (13) and described the second connecting hole (21); Attaching nut (32) is screwed onto on the thread end of described coupling bolt (31).
4. the device of only turning round according to claim 2, is characterized in that, also is provided with bearing (4) between described the first connecting hole (13) and described web member (3).
5. the device of only turning round according to claim 4, is characterized in that, each described first end of only turning round pull bar (2) all is fork configuration (22), and each described lug (14) is separately positioned in the groove of each described fork configuration (22).
6. the device of only turning round according to claim 4, is characterized in that, described bearing (4) is oscillating bearing.
7. the device of only turning round according to claim 5, is characterized in that, is provided with pad (5) between described bearing (4) and described fork configuration (22), and described pad (5) is set on described web member (3).
8. the device of only turning round according to claim 1, it is characterized in that, the described pull bar (2) of only turning round is four, evenly be arranged on the described periphery of only turning round dish (1), and each described pull bar (2) of only turning round all extends towards described stiff end along the described counter clockwise direction of only turning round dish (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100911699A CN102213641B (en) | 2011-04-12 | 2011-04-12 | Wrenching-stopping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100911699A CN102213641B (en) | 2011-04-12 | 2011-04-12 | Wrenching-stopping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102213641A CN102213641A (en) | 2011-10-12 |
| CN102213641B true CN102213641B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100911699A Active CN102213641B (en) | 2011-04-12 | 2011-04-12 | Wrenching-stopping device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102213641B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989916A (en) * | 2017-06-01 | 2017-07-28 | 中国航发湖南动力机械研究所 | Axial workpiece fatigue test stops torsion device and axial workpiece fatigue rig |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1846123A (en) * | 2003-08-29 | 2006-10-11 | 洛德公司 | Method and system for measuring torque |
| CN101400978A (en) * | 2006-03-15 | 2009-04-01 | 传感技术有限公司 | Torque measurement in flexible drive coupling plate |
| CN201255675Y (en) * | 2008-07-24 | 2009-06-10 | 上海联合滚动轴承有限公司 | Wind electricity bearing torsion force test device |
| CN201477007U (en) * | 2009-07-29 | 2010-05-19 | 中国航空动力机械研究所 | Fatigue test device for slender thin wall shaft |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01213527A (en) * | 1988-02-23 | 1989-08-28 | Toshiba Corp | Device for monitoring torsion of shaft |
-
2011
- 2011-04-12 CN CN2011100911699A patent/CN102213641B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1846123A (en) * | 2003-08-29 | 2006-10-11 | 洛德公司 | Method and system for measuring torque |
| CN101400978A (en) * | 2006-03-15 | 2009-04-01 | 传感技术有限公司 | Torque measurement in flexible drive coupling plate |
| CN201255675Y (en) * | 2008-07-24 | 2009-06-10 | 上海联合滚动轴承有限公司 | Wind electricity bearing torsion force test device |
| CN201477007U (en) * | 2009-07-29 | 2010-05-19 | 中国航空动力机械研究所 | Fatigue test device for slender thin wall shaft |
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| Publication number | Publication date |
|---|---|
| CN102213641A (en) | 2011-10-12 |
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