CN104697766A - Bidirectional hinge support device - Google Patents
Bidirectional hinge support device Download PDFInfo
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- CN104697766A CN104697766A CN201410425016.7A CN201410425016A CN104697766A CN 104697766 A CN104697766 A CN 104697766A CN 201410425016 A CN201410425016 A CN 201410425016A CN 104697766 A CN104697766 A CN 104697766A
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Abstract
The invention discloses a bidirectional hinge support device, and belongs to fatigue test technologies for main hub connecting piece assemblies. The bidirectional hinge support device is characterized by comprising a first fixing support (1), a first joint bearing assembly (2) with a handle, a waving force measuring rod (3), a spherical roller bearing assembly (4) with a handle, an simulation paddle connector (5), a connecting pin (6), a steel wire rope pulley assembly (7), a connecting support (8), a second joint bearing assembly (9) with a handle, a swing vibration force measuring rod (10), a third joint bearing assembly (11) with a handle and a second fixing support (12). The bidirectional hinge support device has the advantages that displacement in waving and swing vibration directions can be constrained, boundary conditions of connecting pieces can be accurately simulated during tests, test beds are stable, test environments are good, the bidirectional hinge support device is low in load fluctuation, total test errors can be within 3% under the control when the tests are carried out by the aid of the bidirectional hinge support device, the tests can be continuously carried out, and the test efficiency can be doubled at least.
Description
Technical field
The invention belongs to main hub web member assembly fatigue test technology, relate to a kind of two-way hinged-support device.
Background technology
Main hub web member assembly is the typical complex critical component in helicopter structure, the load that blade transmits comprises centrifugal force, waves moment of flexure, shimmy moment of flexure is all by web member component passes in center piece, and web member assembly also balances damper power and pitch-change-link power simultaneously.Load that is complicated due to planform, that bear is serious, and weight requires as far as possible light, therefore, provides accurate torture test to examine environment, carries out test examination and obtains true fatigue behaviour and weak part, for determining that its serviceable life provides according to most important.
The torture test of prior art main hub web member assembly adopts " resonant method " that at one end semi-girder end, hinged one end electromechanics exciting loads to test, the Bending moment distribution of more difficult accurate simulation support arm, be difficult to apply pitch-change-link power, be difficult to reach centrifugal force accuracy requirement, part test join domain, particularly wire rope and pulley connection position heating seriously, easily cause centrifugal force to load the fracture of wire rope and jockey, experimental enviroment noise is large, affects the monitoring of trystate.
Said method can not real simulation dynamic changes process relation, there is larger engineering simplification, considers this factor, test total error can reach about 10%, and because neighbourhood noise is large, the heating of part join domain is serious, testing table often need be changed fixture, be carried out maintenance process, and test efficiency is low.
Summary of the invention
The technical problem to be solved in the present invention: a kind of two-way hinged-support device is provided, for the torture test of main hub web member assembly, realize waving the hinged constraint with shimmy both direction in simulation blade tips, loading and the transmission of centrifugal force are provided simultaneously, with web member assembly with simulate the two ends formed together with blade and prop up the boundary condition that the overall torture test implementation model of beam type support arm simulates support arm exactly, testing table is stablized, and experimental enviroment is good, can overcome the deficiency of background technology.
Technical scheme of the present invention: a kind of two-way hinged-support device, it is characterized in that, comprise No. 1, one, hold-down support band handle oscillating bearing assembly 2, wave dynamometer link 3, be with handle spheric roller bearing assembly 4, handle oscillating bearing assembly 9 is with by simulation blade jointing 5, connecting pin 6, wire-rope/pulley component 7, connection No. 8, two, bearing, No. 10, three, shimmy dynamometer link band handle oscillating bearing assembly 11, No. two hold-down supports 12; Waving dynamometer link 3 is the externally threaded rod-like structure of two end band, shimmy dynamometer link 10 is the tapped rod-like structure in two ends, a hold-down support 1 is with handle oscillating bearing assembly 2 one end to be fixedly connected with No. one, and band handle oscillating bearing assembly 2 other end is connected with the one end of waving dynamometer link 3; The other end waving dynamometer link 3 is connected with one end of band handle spheric roller bearing assembly 4; Simulation blade jointing 5 one end is ears chip architecture, and opening at ears sheet has two coaxial apertures, and the other end has internal thread hole and is connected with test platform structure; The built-in cylinder roller bearing of pulley endoporus of wire-rope/pulley component 7, pulley exterior groove connecting steel wire ropes is for testing the loading of centrifugal force; Connecting bearing 8 one end is ears chip architecture, and opening at ears sheet has two coaxial apertures, and the other end has internal thread hole; Connecting pin 6 is the externally threaded shaft-like structure of two end band, and one end external thread connecting one end and connecting pin 6 that bearing 8 has internal thread hole is fixedly connected with; Monaural chip architecture with handle spheric roller bearing assembly 4 is placed between simulation blade jointing 5 ears chip architecture, two wire-rope/pulley components 7 are arranged in the outside of the ears film perforation of simulation blade jointing 5, connecting pin 6 through the endoporus of band handle spheric roller bearing assembly 4, simulation blade jointing 5 and two wire-rope/pulley components 7, the ears chip architecture of simulation blade jointing 5 and two wire-rope/pulley components 7 relative to and the monaural chip architecture of retainer belt handle spheric roller bearing assembly 4 is symmetrical; The joint ball bearing of No. two band handle oscillating bearing assemblies 9 be connected bearing 8 and be fixedly connected with; The joint ball bearing of No. three band handle oscillating bearing assemblies 11 is fixedly connected with No. two hold-down supports 12; No. two band handle oscillating bearing assemblies 9 are connected with shimmy dynamometer link 10 two ends internal thread respectively with the external thread structure end of No. three band handle oscillating bearing assemblies 11.
A hold-down support 1 and No. two hold-down support 12 one end are ears chip architecture, and opening at ears sheet has two coaxial apertures.
Band handle oscillating bearing assembly 2 one end is monaural chip architecture, and monaural sheet has a dead eye, a built-in joint ball bearing, two coaxial aperture adaptations that joint ball brearing bore and a hold-down support 1 ears sheet have, are bolted to connection.Band handle oscillating bearing assembly 2 other end has internal thread hole, is connected with one end external thread waving dynamometer link 3.
One end with handle spheric roller bearing assembly 4 is monaural chip architecture, and monaural sheet has a dead eye, a built-in spheric roller bearing, and waves one end that dynamometer link 3 is connected and has internal thread hole.
Be connected and fixed by bearing (ball) cover and nut in the other end male end of connecting pin 6.
No. two band handle oscillating bearing assemblies 9 and No. three band handle oscillating bearing assemblies 11 for one end be monaural chip architecture, monaural sheet has a dead eye, and a built-in joint ball bearing, the other end is external thread structure.
A hold-down support 1 is fixedly connected with test-bed with the stiff end of No. two hold-down supports 12.
Be with the joint ball brearing bore of handle oscillating bearing assemblies 9 and be connected two coaxial aperture adaptations that bearing 8 ears sheet has, being bolted to connection for No. two; Be with two coaxial aperture adaptations that the joint ball brearing bore of handle oscillating bearing assemblies 11 and No. two hold-down support 12 ears sheets have, be bolted to connection for No. three.
No. 1, one, hold-down support band handle oscillating bearing assembly 2, wave dynamometer link 3, band handle spheric roller bearing assembly 4 and to be connected to form with simulation blade jointing 5 by connecting pin 6 and wave direction hinged-support.Flapping hinge bearing is arranged along waving direction.
Connecting No. 8, two, bearing is with handle oscillating bearing assembly 9, No. 10, three, shimmy dynamometer link band handle oscillating bearing assembly 11, No. two hold-down supports 12 to connect to form shimmy direction hinged-support by connecting pin 6 and simulation blade jointing 5.Lead lag hinge bearing is arranged along shimmy direction.
When the present invention tests, the load with shimmy direction can be waved by what wave that dynamometer link 3 and shimmy dynamometer link 10 measure that hinged-support of the present invention bears respectively, the validity of hinged-support function of the present invention can be verified by computational analysis.
The invention provides wire-rope/pulley component 7 to install, achieve loading and the transmission of centrifugal force, described wire-rope/pulley component 7 mounted inside has cylinder roller bearing, decrease wire-rope/pulley component 7 and the friction force of simulation blade jointing 5, connecting pin 6, improve the loading accuracy of centrifugal force.
The present invention constrains the displacement of waving with shimmy direction, during test, can simulate the boundary condition of main hub web member assembly test part exactly, testing table is stablized, and experimental enviroment is good, and load fluctuation amount is little, by adopting apparatus of the present invention to test, test total error can control within 3%.
Beneficial effect of the present invention:
The two-way hinged-support device of the present invention's design, constrain the displacement of waving with shimmy direction, during test, can simulate the boundary condition of web member exactly, testing table is stablized, experimental enviroment is good, load fluctuation amount is little, and by adopting apparatus of the present invention to test, test total error can control within 3%, can test continuously, test efficiency can improve more than 2 times.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is front view of the present invention
Fig. 3 is vertical view of the present invention
Fig. 4 is partial sectional view of the present invention
Embodiment
Below the present invention is described in further details.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the present invention is a kind of two-way hinged-support device, comprising:
Comprise No. 1, one, hold-down support band handle oscillating bearing assembly 2, wave dynamometer link 3, be with handle spheric roller bearing assembly 4, handle oscillating bearing assembly 9 is with by simulation blade jointing 5, connecting pin 6, wire-rope/pulley component 7, connection No. 8, two, bearing, No. 10, three, shimmy dynamometer link band handle oscillating bearing assembly 11, No. two hold-down supports 12; Waving dynamometer link 3 is the externally threaded rod-like structure of two end band, shimmy dynamometer link 10 is the tapped rod-like structure in two ends, a hold-down support 1 is with handle oscillating bearing assembly 2 one end to be fixedly connected with No. one, and band handle oscillating bearing assembly 2 other end is connected with the one end of waving dynamometer link 3; The other end waving dynamometer link 3 is connected with one end of band handle spheric roller bearing assembly 4; Simulation blade jointing 5 one end is ears chip architecture, and opening at ears sheet has two coaxial apertures, and the other end has internal thread hole and is connected with test platform structure; The built-in cylinder roller bearing of pulley endoporus of wire-rope/pulley component 7, pulley exterior groove connecting steel wire ropes is for testing the loading of centrifugal force; Connecting bearing 8 one end is ears chip architecture, and opening at ears sheet has two coaxial apertures, and the other end has internal thread hole; Connecting pin 6 is the externally threaded shaft-like structure of two end band, and one end external thread connecting one end and connecting pin 6 that bearing 8 has internal thread hole is fixedly connected with; Monaural chip architecture with handle spheric roller bearing assembly 4 is placed between simulation blade jointing 5 ears chip architecture, two wire-rope/pulley components 7 are arranged in the outside of the ears film perforation of simulation blade jointing 5, connecting pin 6 through the endoporus of band handle spheric roller bearing assembly 4, simulation blade jointing 5 and two wire-rope/pulley components 7, the ears chip architecture of simulation blade jointing 5 and two wire-rope/pulley components 7 relative to and the monaural chip architecture of retainer belt handle spheric roller bearing assembly 4 is symmetrical; The joint ball bearing of No. two band handle oscillating bearing assemblies 9 be connected bearing 8 and be fixedly connected with; The joint ball bearing of No. three band handle oscillating bearing assemblies 11 is fixedly connected with No. two hold-down supports 12; No. two band handle oscillating bearing assemblies 9 are connected with shimmy dynamometer link 10 two ends internal thread respectively with the external thread structure end of No. three band handle oscillating bearing assemblies 11.
A hold-down support 1 and No. two hold-down support 12 one end are ears chip architecture, and opening at ears sheet has two coaxial apertures.
Band handle oscillating bearing assembly 2 one end is monaural chip architecture, and monaural sheet has a dead eye, a built-in joint ball bearing, two coaxial aperture adaptations that joint ball brearing bore and a hold-down support 1 ears sheet have, are bolted to connection.Band handle oscillating bearing assembly 2 other end has internal thread hole, is connected with one end external thread waving dynamometer link 3.
One end with handle spheric roller bearing assembly 4 is monaural chip architecture, and monaural sheet has a dead eye, a built-in spheric roller bearing, and waves one end that dynamometer link 3 is connected and has internal thread hole.
Be connected and fixed by bearing (ball) cover and nut in the other end male end of connecting pin 6.
No. two band handle oscillating bearing assemblies 9 and No. three band handle oscillating bearing assemblies 11 for one end be monaural chip architecture, monaural sheet has a dead eye, and a built-in joint ball bearing, the other end is external thread structure.
A hold-down support 1 is fixedly connected with test-bed with the stiff end of No. two hold-down supports 12.
Be with the joint ball brearing bore of handle oscillating bearing assemblies 9 and be connected two coaxial aperture adaptations that bearing 8 ears sheet has, being bolted to connection for No. two; Be with two coaxial aperture adaptations that the joint ball brearing bore of handle oscillating bearing assemblies 11 and No. two hold-down support 12 ears sheets have, be bolted to connection for No. three.
No. 1, one, hold-down support band handle oscillating bearing assembly 2, wave dynamometer link 3, band handle spheric roller bearing assembly 4 and to be connected to form with simulation blade jointing 5 by connecting pin 6 and wave direction hinged-support.Flapping hinge bearing is arranged along waving direction.
Connecting No. 8, two, bearing is with handle oscillating bearing assembly 9, No. 10, three, shimmy dynamometer link band handle oscillating bearing assembly 11, No. two hold-down supports 12 to connect to form shimmy direction hinged-support by connecting pin 6 and simulation blade jointing 5.Lead lag hinge bearing is arranged along shimmy direction.
When the present invention tests, the load with shimmy direction can be waved by what wave that dynamometer link 3 and shimmy dynamometer link 10 measure that hinged-support of the present invention bears respectively, the validity of hinged-support function of the present invention can be verified by computational analysis.
The invention provides wire-rope/pulley component 7 to install, achieve loading and the transmission of centrifugal force, described wire-rope/pulley component 7 mounted inside has cylinder roller bearing, decrease wire-rope/pulley component 7 and the friction force of simulation blade jointing 5, connecting pin 6, improve the loading accuracy of centrifugal force.
The present invention constrains the displacement of waving with shimmy direction, during test, can simulate the boundary condition of main hub web member assembly test part exactly, testing table is stablized, and experimental enviroment is good, and load fluctuation amount is little, by adopting apparatus of the present invention to test, test total error can control within 3%.
Claims (8)
1. a two-way hinged-support device, it is characterized in that, comprise a hold-down support (1), No. one band handle oscillating bearing assembly (2), wave dynamometer link (3), band handle spheric roller bearing assembly (4), simulation blade jointing (5), connecting pin (6), wire-rope/pulley component (7), connect bearing (8), No. two band handle oscillating bearing assembly (9), shimmy dynamometer link (10), No. three band handle oscillating bearing assembly (11), No. two hold-down supports (12), waving dynamometer link (3) is the externally threaded rod-like structure of two end band, shimmy dynamometer link (10) is the tapped rod-like structure in two ends, a hold-down support (1) is with handle oscillating bearing assembly (2) one end to be fixedly connected with No. one, and band handle oscillating bearing assembly (2) other end is connected with the one end of waving dynamometer link (3), the other end waving dynamometer link (3) is connected with one end of band handle spheric roller bearing assembly (4), simulation blade jointing (5) one end is ears chip architecture, and opening at ears sheet has two coaxial apertures, and the other end has internal thread hole and is connected with test platform structure, the built-in cylinder roller bearing of pulley endoporus of wire-rope/pulley component (7), pulley exterior groove connecting steel wire ropes is for testing the loading of centrifugal force, connecting bearing (8) one end is ears chip architecture, and opening at ears sheet has two coaxial apertures, and the other end has internal thread hole, connecting pin (6) is the externally threaded shaft-like structure of two end band, and one end that connection bearing (8) has internal thread hole is fixedly connected with one end external thread of connecting pin (6), the monaural chip architecture of band handle spheric roller bearing assembly (4) is placed between simulation blade jointing (5) ears chip architecture, two wire-rope/pulley components (7) are arranged in the outside of the ears film perforation of simulation blade jointing (5), connecting pin (6) is through band handle spheric roller bearing assembly (4), the endoporus of simulation blade jointing (5) and two wire-rope/pulley components (7), the ears chip architecture of simulation blade jointing (5) and two wire-rope/pulley components (7) relative to and the monaural chip architecture of retainer belt handle spheric roller bearing assembly (4) is symmetrical, the joint ball bearing of No. two bands handle oscillating bearing assembly (9) be connected bearing (8) and be fixedly connected with, the joint ball bearing of No. three bands handle oscillating bearing assembly (11) is fixedly connected with No. two hold-down supports (12), No. two bands handle oscillating bearing assembly (9) are connected with shimmy dynamometer link (10) two ends internal thread respectively with the external thread structure end of No. three bands handle oscillating bearing assembly (11).
2. two-way hinged-support device according to claim 1, is characterized in that, a described hold-down support (1) and No. two hold-down support (12) one end are ears chip architecture, and opening at ears sheet has two coaxial apertures.
3. two-way hinged-support device according to claim 1, it is characterized in that, described band handle oscillating bearing assembly (2) one end is monaural chip architecture, monaural sheet has a dead eye, a built-in joint ball bearing, two coaxial aperture adaptations that joint ball brearing bore and hold-down support (1) ears sheet have, are bolted to connection; Band handle oscillating bearing assembly (2) other end has internal thread hole, is connected with one end external thread waving dynamometer link (3).
4. two-way hinged-support device according to claim 1, it is characterized in that, one end of described band handle spheric roller bearing assembly (4) is monaural chip architecture, monaural sheet has a dead eye, a built-in spheric roller bearing, and waves one end that dynamometer link (3) is connected and has internal thread hole.
5. two-way hinged-support device according to claim 1, is characterized in that, the described other end male end at connecting pin (6) is connected and fixed by bearing (ball) cover and nut.
6. two-way hinged-support device according to claim 1, it is characterized in that, described No. two band handle oscillating bearing assembly (9) and No. three be with handle oscillating bearing assembly (11) for one end be monaural chip architecture, monaural sheet has a dead eye, a built-in joint ball bearing, the other end is external thread structure.
7. two-way hinged-support device according to claim 1, is characterized in that, a described hold-down support (1) is fixedly connected with test-bed with the stiff end of No. two hold-down supports (12).
8. two-way hinged-support device according to claim 1, it is characterized in that, be with the joint ball brearing bore of handle oscillating bearing assembly (9) and be connected two coaxial aperture adaptations that bearing (8) ears sheet has, being bolted to connection for described No. two; Be with two coaxial aperture adaptations that the joint ball brearing bore of handle oscillating bearing assembly (11) and No. two hold-down support (12) ears sheets have, be bolted to connection for No. three.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410425016.7A CN104697766A (en) | 2014-08-26 | 2014-08-26 | Bidirectional hinge support device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410425016.7A CN104697766A (en) | 2014-08-26 | 2014-08-26 | Bidirectional hinge support device |
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| CN104697766A true CN104697766A (en) | 2015-06-10 |
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| CN201410425016.7A Pending CN104697766A (en) | 2014-08-26 | 2014-08-26 | Bidirectional hinge support device |
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Cited By (10)
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| CN105696708A (en) * | 2016-01-28 | 2016-06-22 | 北京市建筑设计研究院有限公司 | Hinge device capable of rotating in two directions at large angle and connecting structure thereof |
| CN107860565A (en) * | 2017-10-11 | 2018-03-30 | 昌河飞机工业（集团）有限责任公司 | A kind of loading device of helicopter simulating blade stress |
| CN108287113A (en) * | 2018-02-09 | 2018-07-17 | 西南交通大学 | A kind of testing equipment for ring component in slope protection structure |
| CN109506912A (en) * | 2018-11-12 | 2019-03-22 | 中国直升机设计研究所 | A kind of unmanned helicopter main hub center piece fatigue experimental device |
| CN109506913A (en) * | 2018-11-12 | 2019-03-22 | 中国直升机设计研究所 | A kind of tailskid test of static strength load charger |
| CN110641734A (en) * | 2019-09-29 | 2020-01-03 | 中国直升机设计研究所 | Main oar central part waves pendulum loading device |
| CN110884675A (en) * | 2019-12-04 | 2020-03-17 | 中国直升机设计研究所 | Helicopter blade mooring device |
| CN113670739A (en) * | 2021-08-17 | 2021-11-19 | 无锡瑞来检测科技有限公司 | Helicopter main rotating blade fatigue test device |
| CN115420478A (en) * | 2021-05-31 | 2022-12-02 | 惠阳航空螺旋桨有限责任公司 | Hub centrifugal load test device |
| CN108287113B (en) * | 2018-02-09 | 2024-06-04 | 西南交通大学 | Test equipment for ring member in slope protection structure |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105696708B (en) * | 2016-01-28 | 2017-11-24 | 北京市建筑设计研究院有限公司 | It is a kind of can wide-angle Double-directional rotary articulated mounting and its connecting structure |
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| CN107860565A (en) * | 2017-10-11 | 2018-03-30 | 昌河飞机工业（集团）有限责任公司 | A kind of loading device of helicopter simulating blade stress |
| CN108287113B (en) * | 2018-02-09 | 2024-06-04 | 西南交通大学 | Test equipment for ring member in slope protection structure |
| CN108287113A (en) * | 2018-02-09 | 2018-07-17 | 西南交通大学 | A kind of testing equipment for ring component in slope protection structure |
| CN109506912A (en) * | 2018-11-12 | 2019-03-22 | 中国直升机设计研究所 | A kind of unmanned helicopter main hub center piece fatigue experimental device |
| CN109506913A (en) * | 2018-11-12 | 2019-03-22 | 中国直升机设计研究所 | A kind of tailskid test of static strength load charger |
| CN110641734A (en) * | 2019-09-29 | 2020-01-03 | 中国直升机设计研究所 | Main oar central part waves pendulum loading device |
| CN110641734B (en) * | 2019-09-29 | 2022-11-04 | 中国直升机设计研究所 | Main oar central part waves pendulum loading device |
| CN110884675A (en) * | 2019-12-04 | 2020-03-17 | 中国直升机设计研究所 | Helicopter blade mooring device |
| CN115420478A (en) * | 2021-05-31 | 2022-12-02 | 惠阳航空螺旋桨有限责任公司 | Hub centrifugal load test device |
| CN113670739A (en) * | 2021-08-17 | 2021-11-19 | 无锡瑞来检测科技有限公司 | Helicopter main rotating blade fatigue test device |
| CN113670739B (en) * | 2021-08-17 | 2024-04-26 | 无锡瑞来新材料科技有限公司 | Helicopter main rotor blade fatigue test device |
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