CN203551268U - Shaft testing device capable of exerting two-stage combined tension-torsion loading simultaneously - Google Patents
Shaft testing device capable of exerting two-stage combined tension-torsion loading simultaneously Download PDFInfo
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- CN203551268U CN203551268U CN201320673929.1U CN201320673929U CN203551268U CN 203551268 U CN203551268 U CN 203551268U CN 201320673929 U CN201320673929 U CN 201320673929U CN 203551268 U CN203551268 U CN 203551268U
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Abstract
The utility model discloses a shaft testing device capable of exerting two-stage combined tension-torsion loading simultaneously. The shaft testing device mainly comprises a rack, and a first-stage tension-torsion loading load module, a second-stage tension-torsion loading load module and a reactive torque loading load module which are installed on the rack. Each of the first-stage tension-torsion loading load module and the second-stage tension-torsion loading load module comprises torque load oil cylinders, a torque bearing disk, axial force load oil cylinders and an axial force bearing disk, wherein the torque load oil cylinders are arranged in a reverse symmetry manner, the torque bearing disk is fixed with one end of a to-be-tested shaft, the axial force load oil cylinders are arranged symmetrically, a piston of each torque load oil cylinder is hinged to each torque bearing disk through a torque load connecting component, a piston of each axial force load oil cylinder acts on each axial force bearing disk through an axial force load connecting component, and each axial force bearing disk is axially connected with each torque bearing disk through a thrust bearing. The reactive torque loading load module comprises return spring components and a reactive torque bearing disk, wherein the return spring components are arranged in a reverse symmetry manner, and the reactive torque bearing disk is fixed with the other end of the to-be-tested shaft.
Description
Technical field
The utility model relates to a kind of test unit that carries out determining the longevity for countershaft, and that particularly aero-turbine axle is implemented to axial force and torque load simultaneously determines longevity test unit.
Background technology
Turboshaft is the vitals of engine.Bear in-flight very large multiple load, by being distributed with thereon a lot of step and hole equal stress that easily produce turboshaft crack initiation, concentrate position, once fatal off-axis consequence just may occur turboshaft germinating crackle in-flight.Owing to can not simulate turboshaft awing gyroscopic couple and motor-driven moment of flexure on engine running bench support, so ground run cannot simulate turboshaft maneuvering flight load, and it is huge to adopt airflight to carry out durability test cost, and greatly dangerous.Therefore build can comprehensive simulated turboshaft various load of bearing under actual flight state test unit, become the key of solution axle class fault.
The comprehensive load test device of 4BSQ32 h type engine h turboshaft that Chengdu Engine (Group) Co., Ltd. develops, can simulate the various load that turboshaft bears under maneuvering flight state, as moment of flexure, moment of torsion, axial force etc.But applying of these load is all single-stage, to test axle, can only apply one-level load.Domestic similar exerciser is also single-stage load test device at present, does not possess multi-stage loading ability.Along with development in science and technology, aero engine technology makes rapid progress, and structure becomes increasingly complex, and requires the analog capability of test more and more to press close to time of day, and the exerciser that load single-stage loads more and more cannot adapt to modern testing requirements.Such as certain h type engine h turboshaft axial force load and torque load are all to reach turboshaft by two-stage turbine dish, and axial force and torque load are to be applied on turboshaft simultaneously, adopt the engine turbine shaft experiment device of the load single-stage loading of prior art to test it, can not simulate the load that turboshaft bears under aircraft actual flight state, in test the force-bearing situation of turboshaft obviously and engine turbine axle actual loading situation be not inconsistent, test resulting conclusion (of pressure testing) and do not there is actual directive significance, the turboshaft exerciser that is prior art cannot meet the testing requirements of production practices.Therefore build can comprehensive simulated turboshaft various load of bearing under actual flight state test unit, become production practices urgent problem.
Utility model content
The utility model is for the deficiency of the turboshaft exerciser existence of prior art, the purpose of this utility model aims to provide a kind of shaft experiment device that can simultaneously apply two-stage tension-torsion combined load of brand new, to overcome the turboshaft exerciser of prior art, can not simulate the load that turboshaft is born under aircraft actual flight state, the problem that in test, the force-bearing situation of turboshaft and engine turbine axle actual loading situation are not inconsistent.
The shaft experiment device that can simultaneously apply two-stage tension-torsion combined load that the utility model provides, its formation mainly comprises device frame, rack-mounted one-level tension-torsion load load-on module, secondary tension-torsion load load-on module and reactive torque load load-on module, the formation of described one-level tension-torsion load load-on module and secondary tension-torsion load load-on module, include the moment of torsion load cylinder that reverse symmetry arranges, with the moment of torsion carrier that fixes of test axle one end, symmetrically arranged axial force load cylinder and axial force carrier, the piston of moment of torsion load cylinder loads coupling assembly by moment of torsion and connects with moment of torsion carrier hinge, the piston of axial force load cylinder loads coupling assembly by axial force and acts on axial force carrier, axial force carrier axially connects by thrust bearing with moment of torsion carrier, one-level axial force carrier and one-level moment of torsion carrier that wherein the loading of the secondary axial force in secondary tension-torsion load load-on module coupling assembly is crossed in one-level tension-torsion load load-on module act on secondary axial force carrier, the formation of described reactive torque load load-on module, comprise the retracing spring assembly of reverse symmetry setting and the reactive torque carrier fixing with the test axle other end, described reactive torque carrier is designed with two symmetrical arms of turning round, and retracing spring assembly connects with the arm hinge of turning round of reactive torque carrier by spring coupling assembly.
The further technical scheme of the utility model, test unit global design is vertical structure, moment of torsion load cylinder, the retracing spring assembly in reactive torque load load-on module in one-level tension-torsion load load-on module and secondary tension-torsion load load-on module are and are horizontally disposed with, and one-level tension-torsion load load-on module is vertical setting with the axial force load cylinder in secondary tension-torsion load load-on module.
The further technical scheme of the utility model, the retracing spring assembly in the moment of torsion load cylinder in one-level tension-torsion load load-on module and secondary tension-torsion load load-on module and axial force load cylinder, reactive torque load load-on module is preferably symmetrically arranged a pair of.
The further technical scheme of the utility model, test unit is preferably provided with test axle locating device, by being positioned at reactive torque load load-on module below, being fixedly installed on the first support plate in device frame and being positioned at the second support plate that secondary tension-torsion load load-on module below is fixedly installed in device frame and form.
In technique scheme of the present utility model, for the one-level axial force carrier in one-level tension-torsion load load-on module, be preferably designed with for the secondary axial force in secondary tension-torsion load load-on module and load the arc-shaped slot that coupling assembly passes.
In technique scheme of the present utility model, one-level moment of torsion carrier for one-level tension-torsion load load-on module is preferably special-shaped plate, is to be designed with moment of torsion to load the special-shaped plate that coupling assembly cuts with scissors the structure of turning round arm and crossing for the secondary axial force loading coupling assembly in secondary tension-torsion load load-on module connecting.
In technique scheme of the present utility model, the moment of torsion load cylinder in described tension-torsion load load-on module preferably all connects with device frame hinge by cylinder body.
In technique scheme of the present utility model, shaft coupling structure when described moment of torsion carrier and reactive torque carrier all preferably move by the assembling of test axle is fixed on test axle.
In technique scheme of the present utility model, the spring coupling assembly in described reactive torque load load-on module, its connecting mode preferably one end connects with the spring base in spring assembly by ball pivot, and the other end is cut with scissors with reactive torque carrier and is connected by axle.
In technique scheme of the present utility model, for axial force in one-level tension-torsion load load-on module and secondary tension-torsion load load-on module, load coupling assembly, the loading head preferably matching by the loading hole on itself and axial force carrier acts on axial force carrier.
The shaft experiment device that can simultaneously apply two-stage tension-torsion combined load that the utility model provides, the one-level tension-torsion load load-on module that it is set and secondary tension-torsion load load-on module, make test unit can apply two-stage axial force and moment of torsion in carrying out axle durability test process simultaneously, and axial force and moment of torsion act on turboshaft simultaneously, the load acting on turboshaft is the combined load of axial force and moment of torsion, simulated truly the force-bearing situation of turboshaft in engine operation process, guaranteed that the turboshaft on exerciser has it and on engine, moves identical boundary condition and load distribution, test findings has represented the actual life of aero-turbine axle, for guaranteeing that Flight Safety provides reliable basis.What the utility model provided determines the shaft experiment device in longevity for axle, and test function is complete, manufactures assembling simply, and has feature simple to operate, reliable, with low cost.
Accompanying drawing explanation
Accompanying drawing 1 is test unit one-piece construction schematic diagram of the present utility model.
Accompanying drawing 2 is the local I enlarged drawings in accompanying drawing 1.
Accompanying drawing 3 is the local I I enlarged drawings in accompanying drawing 1.
Accompanying drawing 4 be in accompanying drawing 1 A to structural representation.
Accompanying drawing 5 be in accompanying drawing 1 B-B to sectional structure schematic diagram.
Accompanying drawing 6 be in accompanying drawing 5 C-C to sectional structure schematic diagram.
In figure, 1-one-level axial force loading plate; 2-one-level moment of torsion carrier; 3-secondary axial force carrier; 4-secondary moment of torsion carrier; 5-special bolt; The 6-turbine disk; 7-thrust bearing; 8-adjusts backing plate; 9-lengthens axial force loading head; 10-axial force loading head; 11-axial force loads coupling assembly; 12-axial force load cylinder; 13-moment of torsion load cylinder; 14-moment of torsion cylinder block; The anti-twisted axle sleeve of 15-; 16-reactive torque carrier; 17-spring assembly; 18-the first support plate; 19-the second support plate; 20-spring coupling assembly; 21-moment of torsion loads coupling assembly
Embodiment
Below in conjunction with accompanying drawing, provide specific embodiment of the utility model, and by embodiment, the utility model is further described specifically.Be necessary to point out at this, the following examples are just for setting forth better principle of work of the present utility model and practical application thereof, so that the technician in other field is used for the utility model the various facilities in its field, and improve according to the imagination of various special-purposes.Although the utility model discloses its first-selected embodiment by word; but by read these technology explanatory notes can understand wherein can optimization and alterability; and improve not departing from scope and spirit of the present utility model, but such improvement should still belong to the protection domain of the utility model claim.
Embodiment 1
The shaft experiment device that can simultaneously apply two-stage tension-torsion combined load of the present embodiment, its structure is if accompanying drawing 1 is to as shown in accompanying drawing 6, and tested rotating shaft is the turboshaft of certain model aeromotor.The concrete structure of this test unit is as described below.
1, as shown in Figure 1, by device frame, rack-mounted one-level tension-torsion load load-on module, secondary tension-torsion load load-on module, reactive torque load load-on module and test axle locating device form the one-piece construction of this test unit.Test unit integral body is vertical structure, moment of torsion load cylinder 13, the retracing spring assembly 17 in reactive torque load load-on module in one-level tension-torsion load load-on module and secondary tension-torsion load load-on module are and are horizontally disposed with, one-level tension-torsion load load-on module is vertical setting with the axial force load cylinder 12 in secondary tension-torsion load load-on module, and the retracing spring assembly in the moment of torsion load cylinder in one-level tension-torsion load load-on module and secondary tension-torsion load load-on module and axial force load cylinder, reactive torque load load-on module is symmetrically arranged a pair of.
2, the formation of one-level tension-torsion load load-on module: one-level moment of torsion carrier 2 is fixedly mounted on underproof turboshaft by the turbine disk 6, adjustment backing plate 8, special bolt 5; One-level axial force carrier 1 is fixedly mounted on one-level moment of torsion carrier 2 by thrust bearing 7; Two symmetries are fixed on the axial force load cylinder 12 in device frame, the axial force consisting of each free axial force loading head 10 respectively loads coupling assembly 11 and acts on one-level axial force carrier 1, and the other end that axial force loads coupling assembly 11 connects with the piston of axial force load cylinder; Two moment of torsion load cylinders 13 that reverse symmetry arranges, moment of torsion by separately loads coupling assembly 21 and acts on one-level moment of torsion carrier 2 respectively, two the moment of torsion load cylinders 13 respectively cylinder body 14 by separately cut with scissors and connect with device frame, two moments of torsion load coupling assembly, on one end and one-level moment of torsion carrier 2 two turn round that arm is crosslinked to be connect, and the other end connects with the piston of moment of torsion load cylinder.Referring to accompanying drawing 1, accompanying drawing 3, accompanying drawing 5, accompanying drawing 6.
3, the formation of secondary axial force moment of torsion load-on module: its formation is identical with the formation of one-level tension-torsion load load-on module, secondary moment of torsion carrier 4 is fixedly mounted on underproof turboshaft by the turbine disk 6, adjustment backing plate 8, special bolt 5; Secondary axial force carrier 3 is fixedly mounted on secondary moment of torsion carrier 4 by thrust bearing 7; Two symmetries are fixed on the axial force load cylinder 12 in device frame, the axial force consisting of each free axial force loading head 9 respectively loads coupling assembly 11 and acts on secondary axial force carrier 3, the other end that axial force loads coupling assembly 11 connects with the piston of axial force load cylinder, described axial force loading head 9 is long loading head, and its length is for acting on secondary axial force carrier through crossing one-level moment of torsion carrier after the arc-shaped slot on one-level axial force carrier; Two moment of torsion load cylinders 13 that reverse symmetry arranges, moment of torsion by separately loads coupling assembly 21 and acts on secondary moment of torsion carrier 4 respectively, two the moment of torsion load cylinders 13 respectively cylinder body 14 by separately cut with scissors and connect with device frame, two moments of torsion load coupling assembly, on one end and secondary moment of torsion carrier 4 two turn round that arm is crosslinked to be connect, and the other end connects with the piston of moment of torsion load cylinder.Referring to accompanying drawing 1, accompanying drawing 3, accompanying drawing 5, accompanying drawing 6.
4, reactive torque load load-on module and test axle locating device form: described reactive torque carrier 16 is fixed on test axle by the inside and outside anti-twisted axle sleeve 15 that is all processed with spline, be designed with two symmetrical arms of turning round, two groups of retracing spring assemblies 17 that oppositely arrange connect by the spring coupling assembly 20 arm hinge of turning round different from reactive torque carrier separately, retracing spring assembly is fixedly mounted in device frame by its one end spring base, one end of spring coupling assembly 20 connects with the spring base of retracing spring assembly by ball pivot draw bail, the other end cuts with scissors draw bail by hinge and turns round arm with reactive torque carrier and connect.Referring to accompanying drawing 1 and accompanying drawing 4.
5, test axle locating device forms: by being positioned at reactive torque load load-on module below, being fixedly installed on the first support plate 18 in device frame and being positioned at the second support plate 19 that secondary tension-torsion load load-on module below is fixedly installed in device frame and form, two fixed support plate are designed with and the locating sleeve of testing axle and matching.
The operating process that adopts test unit of the present utility model to carry out durability test to engine turbine axle is as follows: after test axle is installed by accompanying drawing 1 schematic construction, by debugging, guarantee to test axle and exerciser state meets testing requirements.First start and act on a pair of axial force load cylinder 12 on one-level axial force carrier 1, by the power output Pass Test requirement of suitable adjustment balance two oil cylinders; Then start and act on another on secondary axial force carrier 3 to axial force load cylinder 12, adjust the axial force Pass Test requirement that balance loads everywhere.Load afterwards moment of torsion, starting torque load cylinder 13, loads moment of torsion Pass Test requirement everywhere by adjusting balance; Now reactive torque carrier 16 rotates an angle, and spring assembly 17 is forced to compress and produce elastic force, by reactive torque carrier 16 and 15 pairs of test axles of anti-twisted axle sleeve, applies the torque load reverse with I and II moment of torsion.
Claims (10)
1. the shaft experiment device that can simultaneously apply two-stage tension-torsion combined load, it is characterized in that comprising device frame, rack-mounted one-level tension-torsion load load-on module, secondary tension-torsion load load-on module and reactive torque load load-on module, the formation of described one-level tension-torsion load load-on module and secondary tension-torsion load load-on module, include the moment of torsion load cylinder (13) that reverse symmetry arranges, with the moment of torsion carrier that fixes of test axle one end, symmetrically arranged axial force load cylinder (12) and axial force carrier, the piston of moment of torsion load cylinder loads coupling assembly (21) by moment of torsion and connects with moment of torsion carrier hinge, the piston of axial force load cylinder loads coupling assembly (11) by axial force and acts on axial force carrier, axial force carrier axially connects by thrust bearing (7) with moment of torsion carrier, one-level axial force carrier (1) and one-level moment of torsion carrier (2) that wherein the loading of the secondary axial force in secondary tension-torsion load load-on module coupling assembly is crossed in one-level tension-torsion load load-on module act on secondary axial force carrier (3), the formation of described reactive torque load load-on module, comprise the retracing spring assembly (17) that reverse symmetry arranges and the reactive torque carrier (16) fixing with the test axle other end, described reactive torque carrier is designed with two symmetrical arms of turning round, and retracing spring assembly connects with the arm hinge of turning round of reactive torque carrier by spring coupling assembly (20).
2. the shaft experiment device that can simultaneously apply two-stage tension-torsion combined load according to claim 1, it is characterized in that test unit is vertical structure, moment of torsion load cylinder, the retracing spring assembly in reactive torque load load-on module in one-level tension-torsion load load-on module and secondary tension-torsion load load-on module are and are horizontally disposed with, and one-level tension-torsion load load-on module is vertical setting with the axial force load cylinder in secondary tension-torsion load load-on module.
3. the shaft experiment device that can simultaneously apply two-stage tension-torsion combined load according to claim 2, is characterized in that the retracing spring assembly (17) in moment of torsion load cylinder (13) in one-level tension-torsion load load-on module and secondary tension-torsion load load-on module and axial force load cylinder (12), reactive torque load load-on module is symmetrically arranged a pair of.
4. the shaft experiment device that can simultaneously apply two-stage tension-torsion combined load according to claim 3, it is characterized in that test unit is designed with location by the locating device of test axle, by being positioned at reactive torque load load-on module below, being fixedly installed on the first support plate (18) in device frame and being positioned at secondary tension-torsion load load-on module below and be fixedly installed on the second support plate (19) formation in device frame.
5. according to the shaft experiment device that can apply two-stage tension-torsion combined load described in claim 1 or 2 or 3 or 4 simultaneously, it is characterized in that the one-level axial force carrier (1) in one-level tension-torsion load load-on module is designed with the arc-shaped slot passing for the secondary axial force loading coupling assembly in secondary tension-torsion load load-on module.
6. according to the shaft experiment device that can apply two-stage tension-torsion combined load described in claim 1 or 2 or 3 or 4 simultaneously, the one-level moment of torsion carrier that it is characterized in that described one-level tension-torsion load load-on module is special-shaped plate, is designed with moment of torsion and loads the structure of turning round arm and crossing for the secondary axial force loading coupling assembly in secondary tension-torsion load load-on module that coupling assembly hinge connects.
7. according to the shaft experiment device that can apply two-stage tension-torsion combined load described in claim 1 or 2 or 3 or 4 simultaneously, it is characterized in that the moment of torsion load cylinder in tension-torsion load load-on module all connects with device frame hinge by cylinder body.
8. according to the shaft experiment device that can apply two-stage tension-torsion combined load described in claim 1 or 2 or 3 or 4 simultaneously, the shaft coupling structure while it is characterized in that described moment of torsion carrier and reactive torque carrier all by test axle assembling operation is fixed on test axle.
9. according to the shaft experiment device that can apply two-stage tension-torsion combined load described in claim 1 or 2 or 3 or 4 simultaneously, it is characterized in that the spring coupling assembly in reactive torque load load-on module, one end connects with the spring base in spring assembly by ball pivot, and the other end is cut with scissors with reactive torque carrier and connected by axle.
10. according to the shaft experiment device that can apply two-stage tension-torsion combined load described in claim 1 or 2 or 3 or 4 simultaneously, it is characterized in that axial force in one-level tension-torsion load load-on module and secondary tension-torsion load load-on module loads coupling assembly, the loading head (10) matching by the loading hole on itself and axial force carrier acts on axial force carrier.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320673929.1U CN203551268U (en) | 2013-10-29 | 2013-10-29 | Shaft testing device capable of exerting two-stage combined tension-torsion loading simultaneously |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320673929.1U CN203551268U (en) | 2013-10-29 | 2013-10-29 | Shaft testing device capable of exerting two-stage combined tension-torsion loading simultaneously |
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| CN203551268U true CN203551268U (en) | 2014-04-16 |
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| CN201320673929.1U Expired - Lifetime CN203551268U (en) | 2013-10-29 | 2013-10-29 | Shaft testing device capable of exerting two-stage combined tension-torsion loading simultaneously |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528812A (en) * | 2013-10-29 | 2014-01-22 | 成都发动机（集团）有限公司 | Shaft testing device capable of exerting two-stage combined tension-torsion loading simultaneously |
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2013
- 2013-10-29 CN CN201320673929.1U patent/CN203551268U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528812A (en) * | 2013-10-29 | 2014-01-22 | 成都发动机（集团）有限公司 | Shaft testing device capable of exerting two-stage combined tension-torsion loading simultaneously |
| CN103528812B (en) * | 2013-10-29 | 2017-01-04 | 成都发动机（集团）有限公司 | The shaft experiment device of two-stage tension-torsion combined load can be applied simultaneously |
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