CN116573157A - Portable torsion loading test device - Google Patents

Portable torsion loading test device Download PDF

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Publication number
CN116573157A
CN116573157A CN202310367541.7A CN202310367541A CN116573157A CN 116573157 A CN116573157 A CN 116573157A CN 202310367541 A CN202310367541 A CN 202310367541A CN 116573157 A CN116573157 A CN 116573157A
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CN
China
Prior art keywords
plate
fixed
fixing
torsion loading
adapter
Prior art date
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Granted
Application number
CN202310367541.7A
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Chinese (zh)
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CN116573157B (en
Inventor
王岑
刘海峰
刘迪威
陈锴
董先莹
吴世芳
曾瑾
张喜娟
许飞
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Chengdu Aircraft Industrial Group Co Ltd
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Chengdu Aircraft Industrial Group Co Ltd
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Priority to CN202310367541.7A priority Critical patent/CN116573157B/en
Publication of CN116573157A publication Critical patent/CN116573157A/en
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Publication of CN116573157B publication Critical patent/CN116573157B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
    • B64F5/60—Testing or inspecting aircraft components or systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G01N3/04—Chucks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Manufacturing & Machinery (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The application relates to the technical field of structural part tests of aircrafts, in particular to a portable torsion loading test device, which comprises: the device comprises a fixed seat, a first fixed plate and a torsion loading mechanism; a supporting rod is arranged between the fixed seat and the first fixed plate; one end of the supporting rod is detachably fixed on the first fixed plate, the other end of the supporting rod is connected to the fixed seat in a telescopic manner, the first fixed plate can be close to or far away from the fixed seat due to the telescopic manner of the supporting rod, and the torsion loading mechanism is fixed on the fixed seat; one side of the torsion loading mechanism, which is close to the first fixing plate, is provided with a first adapter used for fixing one end of the test part; the first fixing plate is provided with a second adapter corresponding to the first adapter; the second adapter is used for fixing the other end of the test part; the torsion loading mechanism is used for applying torsion load to the test part, does not need to assemble the test device on site, does not need to debug and center on site, can quickly assemble the test device, is convenient to move and carry, and is very suitable for torsion loading tests of small parts.

Description

Portable torsion loading test device
Technical Field
The application relates to the technical field of structural part tests of aircrafts, in particular to a portable torsion loading test device.
Background
During the installation or use of an aircraft, performance tests are often required to be carried out on components of the aircraft to evaluate the usable conditions of the components of the aircraft, so that the components of the aircraft are convenient to maintain or replace, and the flight safety of the aircraft is ensured. The installed or used aircraft is usually in an external field environment, and a test device needs to be brought into the external field environment for use, for example, a torsion test loading platform is used for carrying out tests such as torsion rigidity, torsion load calibration and the like on structural components of the aircraft in the external field environment; the torsion loading needs to fix one end of the test part, the other end of the torsion test part, the part of the traditional torsion loading test device for fixing the test part and the part for applying the torsion loading are of split structures, the structural design is complex, and in order to keep the two parts of the platform axially centered, the torsion loading test device is used in an external field environment and needs to be assembled on site and adjust the centering of the fixed end and the loading end, so that the torsion loading test device is very inconvenient to use in the external field environment; in addition, the torsion loading test is carried out on the small-sized components of the aircraft, such as small pull rod components, dampers or helicopter flexible beams, the load range is not more than 60Nm, the traditional torsion loading test platform is mostly a platform with larger load, and the traditional torsion loading test platform is provided with a motor with larger driving weight or is provided with a test host, so that the test device is not suitable for torsion loading of the small-sized components of the aircraft, and therefore, the design of the torsion loading test device which can be conveniently applied to the external field environment or is suitable for the small-sized components of the aircraft becomes a problem to be solved urgently.
Disclosure of Invention
The application aims at: aiming at the problems that the loading end and the fixed end of the traditional torsion test loading platform in the prior art are mostly in a split structure or complex in structure, and are very inconvenient to neutrality when being assembled and debugged on site when being used in an external field environment, the portable torsion loading test device is provided.
In order to achieve the above purpose, the technical scheme adopted by the application is as follows:
a portable torsional loading test device comprising: the device comprises a fixed seat, a first fixed plate and a torsion loading mechanism; a supporting rod is arranged between the fixed seat and the first fixed plate; one end of the supporting rod is detachably fixed on the first fixing plate, the other end of the supporting rod is connected with the fixing seat in a telescopic manner, the first fixing plate can be close to or far away from the fixing seat by telescopic manner of the supporting rod, and the torsion loading mechanism is fixed on the fixing seat; a first adapter used for fixing one end of the test part is arranged on one side, close to the first fixing plate, of the torsion loading mechanism; the first fixing plate is provided with a second adapter corresponding to the first adapter; the second adapter is used for fixing the other end of the test part; the torsion loading mechanism is used for applying torsion load to the test part.
According to the scheme, the fixing seat and the first fixing plate are arranged, the supporting rods are arranged between the fixing seat and the first fixing plate, the supporting rods can support and position the connecting positions of the fixing seat and the first fixing plate, so that the fixing seat and the first fixing plate form an integrated structure capable of being quickly centered and connected, one end of the test part is fixed on the second adapter, the other end of the test part is fixed on the first adapter, and the first adapter and the second adapter are symmetrical and can be positioned on one axis, namely, the first fixing plate and the fixing seat can be completely installed to realize the centering of the first adapter and the second adapter, and therefore the test device does not need to be assembled on site, and does not need to be debugged and centered on site, or the test device can be quickly assembled, and is more convenient to use when being carried to an external field; in addition, the first fixing plate can be close to or far away from the fixing seat due to the fact that the supporting rods stretch out and draw back of the fixing seat, the torsion loading test device can adjust the distance between the fixing plate and the first fixing plate according to the lengths of different test parts, and therefore universality of the torsion test device is higher; the torsion test device is compact in structure, the fixing seat and the first fixing plate can be designed into a small size, a test host is not required to be arranged, the torsion test device is convenient to move and carry, and the torsion test device is very suitable for torsion loading tests of small-sized components.
As a preferred embodiment of the present application, the torsion loading mechanism includes: a turntable and a gear shaft; the turntable is rotationally connected with the fixed seat through a gear shaft; the first adapter is fixed on the turntable; the rotation of the gear shaft can drive the turntable to rotate.
This preferred scheme is through setting up torsion loading mechanism into carousel and gear shaft, and first adapter is fixed in the carousel, and first adapter is used for connecting the one end of test part, and the second adapter is used for connecting the other end of test part, thereby drives the carousel through the rotation gear shaft and rotate, and then can be to being fixed in the test part of first adapter applys torsion load for it is more convenient, laborsaving to apply torsion load to test part.
As a preferred embodiment of the present application, the method further comprises: a tubular support housing; one bottom surface of the supporting shell is fixed on the fixing seat, and the rotary disc is supported on the other bottom surface of the supporting shell.
This preferred scheme through setting up tubular support casing at the fixing base, forms the part that accommodation space can hold torsion loading mechanism in the support casing like the gear shaft, and supports the carousel in support casing for the carousel is driven by the pivot and is rotated the in-process by circumference support, can avoid the carousel to rotate in the counter-force that is because of bearing test part and slope or eccentric rotation, thereby the carousel can more stably rotate, further improves torsion loading's stability.
As a preferred embodiment of the present application, the turntable includes: an inner gear ring and a cover plate; an inner corrugation is formed on the inner wall of the inner gear ring; the gear shaft axially passes through the center of the internal gear ring; the gear shaft is provided with a central gear, and the central gear shaft is connected with the gear shaft; a planetary gear is arranged between the internal gear ring and the central gear; the planetary gears are respectively meshed with the sun gear and the internal tooth patterns; the cover plate is fixed on one side of the inner gear ring, which is close to the first fixing plate.
According to the technical scheme, the turntable is arranged to be the inner gear ring and the cover plate, the cover plate is used for supporting and fixing the second adapter, the inner gear ring drives the planetary gear to rotate through the central gear to drive, so that the rotating speed of the gear shaft is reduced after being transmitted to the inner gear ring, the flying component is enabled to be applied with torque under stable and slower rotation, the test component is prevented from being damaged due to the moment of torque increasing, the stability of torsion loading is enhanced, the torque can be slowly loaded to the target torque and the precision is higher, and the torsion loading test platform is more suitable for small torque loading tests such as small pull rod components, dampers or helicopter flexible beams and the like, and the overall performance of the torsion loading test platform is improved.
As a preferable scheme of the application, the fixed seat is provided with the scales which are circumferentially arranged along the internal gear ring, and the cover plate is provided with the pointer matched with the scales. This preferred scheme is through setting up the scale of arranging along the internal gear ring axial at the fixing base, and scale complex pointer is located to the internal gear ring for rotation angle of internal gear ring is visual through the scale position that the pointer pointed to, and the tester of being convenient for records and controls the size of torsion load, makes this torsion loading test device use more conveniently, is favorable to improving torsion loading test's accuracy.
As a preferable scheme of the application, the gear rotating shaft is rotatably connected to the fixed seat through a bearing, and the turntable is provided with a driving shaft; the drive shaft is drivingly connected to the sun gear. This preferred scheme is through connecting gear pivot bearing in the fixing base, and makes gear pivot can rotate on the fixing base, and the bearing can reduce gear pivot pivoted frictional force, reduces the loss, extension device life through setting up the drive shaft, and drive shaft transmission is connected in the sun gear, rotates the drive shaft and can drive the sun gear rotation to the internal gear ring rotates, realizes the moment of torsion loading, makes the loading of moment of torsion more convenient, stable and laborsaving.
As a preferred embodiment of the present application, the first adapter includes: the flange comprises a first flange plate and at least two clamping plates; the first flange plate is fixed on the torsion loading mechanism; the clamping plate is used for clamping the test part, the clamping plate is detachably fixed on the first flange plate, and the clamping plate is perpendicular to the first flange plate. According to the preferred scheme, the first adapter is arranged in the form of the first flange and the clamping plate, so that the first flange can be fixed on the torsion loading mechanism through bolts, the clamping plate can be detachably fixed on the first flange, the clamping plate is perpendicular to the first flange, the acting force of the clamping plate for clamping the test part and the torque force of the flange can be perpendicular to each other, the possibility of deflection of the torsion loading acting force is further reduced, the torque acting force can not act on the tension or bending test part, and therefore torsion loading is more accurate and stable; and moreover, the interval between two clamping plates is adjustable, so that test components with different thicknesses can be connected, the fixed end specification of the first flange plate which is fixed on the torsion loading mechanism through bolts is unchanged, and the test components can be fixed on the test device only by selecting an adapter matched with the interface of the test components, so that the test device can be helped to fix various test components to carry out strength tests on the test components, and the universality of the test device is improved.
As a preferable scheme of the application, a torque sensor is also arranged between the first adapter and the torsion loading mechanism; and two ends of the torque sensor are respectively fixed on the first adapter and the torsion loading mechanism. According to the preferred scheme, the torque sensor is arranged on the first adapter and the torsion loading mechanism, so that the torque acting force applied to the test part by the torsion loading mechanism can be detected, the torque of the test part in the test process can be monitored through data displayed by the torque sensor on one hand, the applied torque load can be recorded through the torque sensor on the other hand, the test record can be conveniently carried out, and the stability and the accuracy in torsion loading can be enhanced by fixing the two ends of the torque sensor to the first adapter and the torsion loading mechanism respectively.
As a preferable scheme of the application, the supporting rods comprise a plurality of supporting rods which are uniformly arranged along the circumferential direction of the fixing seat, and the supporting rods are mutually parallel. This preferred scheme is through setting up a plurality of bracing pieces of arranging along fixing base axial, not only can strengthen the stability of supporting, keeps the axial centering in making the adjustment of first fixed plate and fixing base interval change through the even setting of bracing piece axial moreover, is difficult for the deflection in the torsion loading.
As a preferable aspect of the present application, the support bar is bolted to the first fixing plate, the support plate, and the second fixing plate through the bolt holes. This preferred scheme through setting up the fixing base into the backup pad of second fixed plate and ring form, through the setting of the bolt hole of axial alignment, pass the location that the bracing piece axial installation can be realized to the bolt hole through the bracing piece in this torsion loading test platform of equipment, and the bracing piece is the straight-bar, can be with first fixed plate, backup pad and second backup pad lie in same axis, can realize the accurate centering of first fixed plate and fixing base, and need not adjust the stiff end that the centering can realize test part and torsion loading end lie in the coaxial line, tear open and trade test part and can not influence the centering of first fixed plate and fixing base, make this torsion loading test device install and use more convenient.
In summary, due to the adoption of the technical scheme, the beneficial effects of the application are as follows:
1. through setting up fixing base and first fixed plate to through setting up the bracing piece between fixing base and first fixed plate, make fixing base and first fixed plate form can swiftly centering and connected an organic whole structure, do not need this test device of on-the-spot equipment, do not also need on-the-spot debugging centering, make this test device carry to the use more convenient in the outfield;
2. the support rod stretches out and draws back at the fixed seat to enable the first fixed plate to be close to or far away from the fixed seat, and the torsion loading test device can adjust the distance between the fixed plate and the first fixed plate according to the lengths of different test parts, so that the torsion loading test device is higher in universality;
3. the torsion test device is compact in structure, the fixing seat and the first fixing plate can be designed into a small size, a test host is not required to be arranged, the torsion test device is convenient to move and carry, and the torsion test device is very suitable for torsion loading tests of small-sized components.
Drawings
Fig. 1 is a schematic diagram a of the structure of the present application.
FIG. 2 is a schematic view b of the structure of the present application;
FIG. 3 is a schematic view of the external structure of the torsion loading mechanism according to the present application;
FIG. 4 is a schematic view of the internal structure of the torsion loading mechanism according to the present application;
icon: 0-test part; 1-a fixed seat; 11-a support housing; 111-a housing through hole; 112-a drive shaft collar; 12-scale; 13-a second fixing plate; 14-supporting plates; 141-bolt holes; 2-a first fixing plate; 3-a torsion loading mechanism; 31-a turntable; 311-an inner gear ring; 312-cover plate; 3121-pointer; 313-sun gear; 314-planetary gear; 315-drive shaft; 316-rotating disk; 32-gear shaft; 4-supporting rods; 5-a first adapter; 51-a first flange; 52-clamping plates; 6-a second adapter; 7-torque sensor.
Detailed Description
The present application will be described in detail with reference to the accompanying drawings.
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
Example 1
The application provides a portable torsion loading test device which has compact structure, small volume, convenient carrying and easy use in the environment of carrying to the external field; the torsion loading test device provided by the application can be applied to a scene of strength test of a small structural part of an aviation aircraft in an external field, and can also be applied to a scene of strength test of a small structural part of an aviation aircraft before installation. It will be appreciated that the above application scenarios are merely examples and are not limiting of the present application.
Referring to fig. 1 and fig. 2 together, fig. 1 is a schematic structural diagram of a portable torsion loading test apparatus according to an embodiment of the present application, and fig. 2 is a schematic structural diagram of different views of the torsion loading test apparatus shown in fig. 1, and in combination with fig. 1 to fig. 3, the portable torsion loading test apparatus of the present application includes: the device comprises a fixed seat 1, a first fixed plate 2 and a torsion loading mechanism 3; a supporting rod 4 is arranged between the fixed seat 1 and the first fixed plate 2; one end of the supporting rod 4 is detachably fixed on the first fixed plate 2, the other end of the supporting rod 4 is connected with the fixed seat 1 in a telescopic manner, the first fixed plate 2 can be close to or far away from the fixed seat 1 by telescopic manner of the supporting rod 4, and the torsion loading mechanism 3 is fixed on the fixed seat 1; a first adapter 5 for fixing one end of the test part 0 is arranged on one side of the torsion loading mechanism 3 close to the first fixing plate 2; the first fixed plate 2 is provided with a second adapter 6 corresponding to the first adapter 5; the second adapter 6 is used for fixing the other end of the test part 0; the torsion loading mechanism 3 is used for applying torsion load to the test component 0, and the term "corresponding" is understood to mean that after the second adapter 6 is fixedly connected to one end of the test component 0 by the first adapter 5, the second adapter 6 can be fixed to the other end of the torsion shaft of the test component 0, so that the second adapter 6 is in a state that the first adapter 5 is centered, preferably, the first adapter 5 and the second adapter 6 are identical in shape and symmetrically arranged.
It should be noted that, in the telescopic connection, the supporting rod 4 can extend or extend into two sides of the fixing seat 1 relative to the fixing seat 1, for example, the supporting rod 4 extends towards one side of the first fixing plate 2, so that the distance between the first fixing plate 2 and the fixing seat 1 can be increased, and the supporting rod 4 extends away from one side of the first fixing plate 2, so that the distance between the first fixing plate 2 and the fixing seat 1 can be reduced; specifically, for example, the supporting rod 4 can be connected to the fixing seat 1 by a bolt, and can move to both sides of the fixing seat 1 by screwing the supporting rod 4, and after the supporting rod 4 is positioned on one side of the fixing seat 1 towards the first fixing plate 2 by adjusting the length of the fixing seat 1, the first fixing plate 2 is fixed on the supporting rod 4, that is, the distance between the first fixing plate 2 and the fixing seat 1 is adjusted by expansion and contraction.
Preferably, referring to fig. 3, the torsion loading mechanism 3 includes: a turntable 31 and a gear shaft 32; the turntable 31 is rotatably connected to the fixed seat 1 through a gear shaft 32; the first adapter 5 is fixed on the turntable 31; rotation of the gear shaft 32 can drive the turntable 31 to rotate.
In the present application, as shown in fig. 1 and 2, the fixing base 1 includes: a second fixing plate 13 and an annular supporting plate 14; the first fixing plate 2, the supporting plate 14 and the second fixing plate 13 are provided with axially aligned bolt holes 141, and the supporting rod 4 is connected to the first fixing plate 2, the supporting plate 14 and the second fixing plate 13 through the bolt holes 141; preferably, as shown in fig. 1, the fixing base 1 includes a second fixing plate 13 and a supporting plate 14 which are stacked, the supporting plate 14 may be located between the second fixing plate 13 and the first fixing plate 2, and the supporting plate 14 may be provided with a first through slot. The first end of the supporting rod 4 can be fixedly connected with the second fixing plate 13, and the second end of the supporting rod 4 can pass through the periphery of the first through groove and is fixedly connected with the first fixing plate 2; the torsion loading mechanism 3 may be located between the second fixed plate 13 and the support plate 14; the side of the torsion loading mechanism 3 facing the second fixing plate 13 is fixedly connected with the second fixing plate 13, and the side of the torsion loading mechanism 3 far away from the second fixing plate 13 extends into the first through groove.
In some embodiments, the support bar 4 may be fixedly mounted with the second fixing plate 13, the support plate 14 and the first fixing plate 2 by screw connection. As an example, as shown in fig. 1 and 2, the edge of the second fixing plate 13 may be provided with a second fixing plate 13 through hole, the edge of the support plate 14 may be provided with a support plate 14 through hole, and the edge of the first fixing plate 2 may be provided with a first fixing plate through hole. Wherein the inner wall of the second fixing plate through hole, the inner wall of the supporting plate 14 through hole and the inner wall of the first fixing plate through hole may be provided with threads, that is, preferably, the first fixing plate 2, the supporting plate 14 and the second scraping plate 13 are all provided with bolt holes 141, and the circumference of the supporting rod 4 is also provided with corresponding threads, so that the supporting rod 4 and the second fixing plate through hole, the supporting plate through hole and the first fixing plate through hole may be fixed through threaded connection.
In the embodiment of the application, the supporting rod 4 is provided with threads in the circumferential direction, so that the positions of the second fixing plate 13, the supporting plate 14 and the first fixing plate 2 which are in threaded connection and fixed on the supporting rod 4 and the levelness can be adjusted, and then the second fixing plate 13, the supporting plate 14 and the first fixing plate 2 are fixed on the supporting rod 4 through threaded connection; therefore, the distance between the support plate 14 and the first fixing plate 2 can be adjusted according to the size of the test part 0, and then the support plate 14 and the first fixing plate 2 are fixed to the support bar 4, which is advantageous in ensuring that the test part 0 can be fixed between the first fixing plate 2 and the torsion loading mechanism 3.
In some embodiments, the second fixing plate 13, the support plate 14, and the first fixing plate 2 may be disposed relatively in parallel, and in this case, the axial direction of the support rod 4 may be perpendicular to the second fixing plate 13.
The application preferably comprises a plurality of support rods 4 which are uniformly arranged along the circumferential direction of the fixed seat 1, wherein the plurality of support rods 4 are mutually parallel; in some embodiments, the support rods 4 may be provided in plural numbers to enhance the stability of the test device, and illustratively, the support rods 4 may be provided in 4 or 6 numbers, which the present application is not limited to.
In one possible example, the second fixing plate 13, the supporting plate 14 and the first fixing plate 2 may be circular plates of the same size, and the material of which is made may be duralumin material, which helps to reduce the weight of the test device.
Preferably, a torque sensor 7 is arranged between the first adapter 5 and the torsion loading mechanism 3; the two ends of the torque sensor 7 are respectively fixed on the first adapter 5 and the torsion loading mechanism 3; the torque sensor 7 may be located between the support plate 14 and the first fixing plate 2, and a side of the torque sensor 7 facing the support plate 14 may be fixedly connected with the torsion loading mechanism 3, so as to rotate the torque sensor 7 through rotation of the torsion loading mechanism 3.
Preferably, the first adapter 5 of the present application comprises: a first flange 51 and at least two clamping plates 52; the first flange plate 51 is fixed to the torsion loading mechanism 3; the clamping plate 52 is used for clamping the test part 0, and the clamping plate 52 is perpendicular to the first flange plate 51; specifically, as shown in fig. 1, a first end of the torque sensor 7 away from the support plate 14 may be provided with a flange plate, the first flange plate 51 is provided with a first fixing through hole for fixedly connecting with the first adapter 5 fixed on the test component 0, and the first fixing plate 2 may be provided with a second fixing through hole for fixedly connecting with the second adapter 6 fixed on the test component 0. For example, as shown in fig. 1, one end of the test part 0 may be fixedly connected to the first adapter 5, and the first adapter 5 is fixedly connected to the torque sensor 7 through the first fixing through hole. The second end of the test part 0 may be fixedly connected with the second adapter 6, and the second adapter 6 is fixedly connected with the first fixing plate 2 through the second fixing through hole, so that the test part 0 may be fixed between the first fixing plate 2 and the torque sensor 7.
In some embodiments, the first fixing through hole and the second fixing through hole may be provided in plurality, and the present application is not limited thereto. For example, the first and second fixing through holes may be provided as flange holes.
Preferably, referring to fig. 3 and 4, the torsion loading mechanism 3 includes: a turntable 31 and a gear shaft 32; the turntable 31 is rotatably connected to the fixed seat 1 through a gear shaft 32; the first adapter 5 is fixed on the turntable 31; the rotation of the gear shaft 32 can drive the turntable 31 to rotate; it is also preferable that the turntable 31 includes: an internal gear ring 311 and a cover plate 312; an inner ripple is formed on the inner wall of the inner gear ring 311; the gear shaft 32 axially passes through the center of the internal gear ring 311; the gear shaft 32 is provided with a sun gear 313, and the sun gear 313 is connected to the gear shaft 32 by a shaft; a planetary gear 314 is provided between the inner gear ring 311 and the sun gear 313; planetary gears 314 mesh with sun gear 313 and the internal gear, respectively; the cover plate 312 is fixed to one side of the ring gear 311 near the first fixing plate 2.
As shown in fig. 3 and 4, the torsion loading mechanism 3 may include a support housing 11 and a planetary gear mechanism. The planetary gear mechanism may include a sun gear 313, a planetary gear 314, and an inner gear ring 311, among others.
As shown in connection with fig. 1, the support housing 11 may be located between the second fixing plate 13 and the support plate 14, and the support housing 11 may be provided with a second through slot. The side of the support housing 11 facing the second fixing plate 13 may be fixedly connected with the second fixing plate 13 such that the second fixing plate 13 may cover an open end of the second through groove facing the second fixing plate 13 to form an accommodating space, and the support housing 11 may extend into the first through groove.
In some embodiments, the second fixing plate 13 may be provided with a third fixing through hole, and an inner wall of the third fixing through hole may be provided with threads, so that the support housing 11 may be engaged with the third fixing through hole by a threaded fastener to be fixedly mounted on the second fixing plate 13.
The fixing seat 1 is provided with a tubular supporting shell 11; one bottom surface of the support housing 11 is fixed to the fixed base 1, and the turntable 31 is supported on the other bottom surface of the support housing 11.
The internal gear ring 311 may be rotatably connected to a side of the support housing 11 remote from the second fixing plate 13 such that the internal gear ring 311 is rotatable with respect to the support housing 11. The internal gear ring 311 may be rotatable relative to the support case 11, and the connection surface between the internal gear ring 311 and the support case 11 may be relatively smooth so that the internal gear ring 311 can slide relative to the bottom surface of the support case 11, or the bottom surface of the support case 11 may be provided with a plurality of balls provided along the rotation circumferential direction of the support case 11 so that the internal gear ring 311 can rotate relative to the support case 11 and can be supported by the support case 11.
Illustratively, the inner gear ring 311 may be fixedly connected to the torque sensor 7, such that rotation of the inner gear ring 311 may drive rotation of the torque sensor 7; in addition, the ring interior of the internal gear ring 311 provides an accommodation space for the sun gear 313 and the planetary gears 314, and the sun gear 313 and the planetary gears 314 are rotatably connected in gear engagement, and the planetary gears 314 are rotatably connected with the inner wall of the internal gear ring 311; thus, rotation of the sun gear 313 may rotate the planetary gears 314, which in turn rotates the inner gear ring 311.
In some embodiments, the planetary gear 314 may be provided in plurality, for example, 3, 4, or 5, which the present application is not limited to.
In one possible example, the circumference of the portion of the sun gear 313 corresponding to the planetary gear 314, the circumference of the planetary gear 314, and the inner wall of the internal gear ring 311 may be provided with engaged straight teeth. When the central gear 313 rotates, the planetary gear 314 is driven to rotate by the straight tooth meshing, so as to drive the inner gear ring 311 to rotate; it will be appreciated that the manner in which the straight tooth engagement described above achieves a rotational connection is merely exemplary and is not a limitation of the present application.
In the application, the gear shaft 32 is rotatably connected with the fixed seat 1 through a bearing, and the turntable 31 is provided with a driving shaft 315; the drive shaft 315 is drivingly connected to the sun gear 313.
In some embodiments, the gear shaft 32 of the sun gear 313 is rotatably connected with the second fixed plate 13 such that the sun gear 313 can rotate relative to the second fixed plate 13. In one possible example, the second fixing plate 13 may be provided at the center thereof with a fourth fixing through hole having a bearing therein; the gear shaft 32 of the sun gear 313 is fitted with a bearing in the fourth fixing through-hole to achieve a rotational connection, which helps to reduce friction when the gear shaft 32 of the sun gear 313 rotates in the fourth fixing through-hole.
In some embodiments, the turntable 31 may further include a cover plate 312, wherein the cover plate 312 may be fixed to a side of the inner gear ring 311 remote from the second fixing plate 13, and the cover plate 312 may be fixed to the inner gear ring 311 by a fastener bolt, for example, a bolt, for example, and the cover plate 312 may be fixedly connected to the torque sensor 7.
In some embodiments, the cover plate 312 may also be used to limit the positions of the sun gear 313 and the planetary gears 314, and an exemplary side of the cover plate 312 away from the second fixing plate 13 may be disposed flush with the outer circumference of the first through slot of the support housing 11, so that the torsion loading mechanism 3 can be accommodated in the first through slot, which is compact and reduces the volume of the apparatus.
In the present application, preferably, the fixing base 1 is provided with the scales 12 circumferentially arranged along the inner gear ring 311, the cover plate 312 is provided with the pointers 3121 matched with the scales 12, it should be noted that the scales 12 are angle graduated scales uniformly along the axial direction of the fixing base 1, as shown in fig. 1, for clarity of the drawing, fig. 1 only shows part of the scales 12, and other parts can be repeatedly arranged along the axial direction of the plate surface of the supporting plate 14 of the fixing base 1.
In some embodiments, the side of the cover plate 312 away from the second fixing plate 13 may be provided with a pointer 3121, and the side of the outer circumference of the first through groove away from the second fixing plate 13 may be provided with a scale 12, and the scale 12 may be preferably an angle scale. When the cover plate 312 rotates, the rotation angle of the cover plate 312 can be read by the pointer 3121 and the angle scale.
In one possible case, the torsion loading mechanism 3 may also not comprise a cover plate 312, in which case the side of the first through-slot facing away from the second fixing plate 13 may be provided as a closed-junction turntable 31 for a fixed connection with the torque sensor 7 and limiting the position of the sun gear 313 and the planet gears 314, i.e. the first through-slot may have only one open end facing the second fixing plate 13.
In the application, the gear shaft 32 is rotatably connected with the fixed seat 1 through a bearing, and the turntable 31 is provided with a driving shaft 315; the drive shaft 315 is worm gear connected to the sun gear 313.
In some embodiments, as shown in fig. 1 or 2, the torsion recording test apparatus may further include a driving shaft 315, and as shown in fig. 3 and 4, the supporting housing 11 may be provided with a housing through hole 111, and a driving shaft 315 is fixed to a side of the inner gear ring 311 facing the second fixing plate 13 in the accommodating space, wherein the housing through hole 111 is disposed opposite to the driving shaft mounting ring 112, a first end of the driving shaft 315 is exposed to the supporting housing 11, and a second end of the driving shaft 315 passes through the housing through hole 111, protrudes into the accommodating space, and is rotatably connected to the driving shaft mounting ring 112; the portion of the driving shaft 315 located in the receiving space is rotatably connected to the sun gear 313, so that the sun gear 313 is rotated by the rotation of the driving shaft 315; further, the rotation axis of the drive shaft 315 and the rotation axis of the sun gear 313 are perpendicular to each other.
Illustratively, a bearing may be provided within the drive shaft collar 112 to provide rotational coupling of the drive shaft 315 within the drive shaft collar 112 through the mating of the drive shaft 315 with the bearing; alternatively, the drive shaft mounting ring 112 may be provided with a plurality, for example 2 or 3, axially disposed along the drive shaft 315, which helps to improve the stability of the drive shaft 315 mounting.
In some embodiments, the portion of the driving shaft 315 located in the receiving space may be provided with a helical tooth shape in the circumferential direction, and the portion of the central gear 313 corresponding to the driving shaft 315 may be provided with a helical tooth engaged with the helical tooth. As the drive shaft 315 rotates, the drive shaft 315 may be, for example, a worm by meshing helical and helical teeth to rotate the sun gear 313, as the application is not limited in this regard.
In other embodiments, the end of the exposed first end of the drive shaft 315 may be secured with a rotating disk 316 to rotate the drive shaft 315 via the rotating disk 316; for example, the rotating disk 316 may be manually rotated, thereby rotating the drive shaft 315; illustratively, the rotary disk 316 may be secured to the end of the first end by bolts, and in one possible example, the axis of rotation of the rotary disk 316 may be perpendicular to the direction of shaft extension of the drive shaft 315.
According to the torsion loading test device provided by the application, the torsion loading mechanism 3 is fixedly connected with the torque sensor 7, the test part 0 is fixed between the torque sensor 7 and the first fixed plate 2, and the torque sensor 7 is driven to rotate by the torsion loading mechanism 3, so that a smaller torsion load is applied to the test part 0; the test device has the advantages of compact and simple structure, small volume, portability and easy use in an external field environment; in addition, the test device is fixed with the test component 0 through the first adapter 5 and the second adapter 6, and the interfaces of the different test components 0, which are fixedly connected with the first adapter 5 and the second adapter 6, are possibly different, but the interfaces of the first fixing plate 2 and the torsion loading mechanism 3, which are respectively fixedly connected with the second adapter 6 and the first adapter 5, are unchanged, so that the test component 0 can be fixed on the test device only by selecting the adapter matched with the interfaces of the test component 0 for the different test components 0, which is helpful for the test device to fix various test components 0 for strength test, and the universality of the test device is improved.
Working principle: for example, as shown in fig. 1, when a torsion load is required to be applied to the test part 0, the second fixing plate 13 and the support plate 14 may be fixed to the support bar 4 first, the first end of the test part 0 may be fixedly connected to the first adaptor 5, and the first adaptor 5 may be fixedly connected to the first fixing through hole provided in the torque sensor 7, so that the first end of the test part 0 may be fixed to the torque sensor 7; the second end of the test part 0 can be fixedly connected with the second adapter 6, and the fixed position of the first fixed plate 2 on the supporting rod 4 is adjusted to ensure that the test part 0 can be fixed between the first fixed plate 2 and the torque sensor 7; the first fixing plate 2 and the supporting rod 4 are fixedly installed through threaded connection, and then the second adapter 6 is fixedly connected with a second fixing through hole formed in the first fixing plate 2, so that the test part 0 is fixed between the torque sensor 7 and the first fixing plate 2;
then, the rotating disc 316 is manually rotated to drive the driving shaft 315 fixedly connected with the rotating disc 316 to rotate, the rotation of the driving shaft 315 drives the sun gear 313 to rotate and then drives the planetary gear 314 to rotate, and the rotation of the planetary gear 314 drives the inner gear ring 311 to rotate and then drives the cover plate 312 to rotate, so that the torque sensor 7 fixed on the cover plate 312 rotates with the test part 0 to apply torsion load to the test part 0, and further intensity test contents such as torsion rigidity or torsion load calibration can be carried out on the test part 0.
In addition, the initial angle may be recorded according to the pointer 3121 on the cover plate 312 and the outer circumference angle scale of the fixing base 1 before rotating the rotating disc 316, and thus, the angle rotated when the torsion load is applied may be calculated in real time during the torsion load application.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims (10)

1. A portable torsional loading test device, comprising: the device comprises a fixed seat (1), a first fixed plate (2) and a torsion loading mechanism (3); a supporting rod (4) is arranged between the fixed seat (1) and the first fixed plate (2); one end of the supporting rod (4) is detachably fixed on the first fixed plate (2), the other end of the supporting rod (4) is connected with the fixed seat (1) in a telescopic manner, the first fixed plate (2) can be close to or far away from the fixed seat (1) due to the telescopic manner of the supporting rod (4), and the torsion loading mechanism (3) is fixed on the fixed seat (1); a first adapter (5) for fixing one end of the test part (0) is arranged on one side, close to the first fixing plate (2), of the torsion loading mechanism (3); the first fixing plate (2) is provided with a second adapter (6) corresponding to the first adapter (5); the second adapter (6) is used for fixing the other end of the test part (0); the torsion loading mechanism (3) is used for applying torsion load to the test part (0).
2. Portable torsion loading test device according to claim 1, characterized in that the torsion loading mechanism (3) comprises: a turntable (31) and a gear shaft (32); the turntable (31) is rotationally connected to the fixed seat (1) through the gear shaft (32); the first adapter (5) is fixed on the turntable (31); the rotation of the gear shaft (32) can drive the turntable (31) to rotate.
3. The portable torsional loading testing device of claim 2, further comprising: a tubular support housing (11); one bottom surface of the supporting shell (11) is fixed on the fixing seat (1), and the rotary disc (31) is supported on the other bottom surface of the supporting shell (11).
4. Portable torsion loading test device according to claim 2, characterized in that the turntable (31) comprises: an internal gear ring (311) and a cover plate (312); an inner tooth pattern (3111) is formed on the inner wall of the inner gear ring (311); the gear shaft (32) axially passes through the center of the internal gear ring (311); the gear shaft (32) is provided with a central gear (313), and the central gear (313) is connected with the gear shaft (32) in a shaft way; a planetary gear (314) is arranged between the internal gear ring (311) and the central gear (313); the planetary gear (314) meshes with the sun gear (313) and the internal spline (3111), respectively; the cover plate (312) is fixed on one side of the inner gear ring (311) close to the first fixing plate (2).
5. Portable torsion loading test device according to claim 4, characterized in that the fixed seat (1) is provided with scales (12) circumferentially arranged along the inner gear ring (311), and the cover plate (312) is provided with pointers (3121) cooperating with the scales (12).
6. The portable torsion loading test device according to claim 4, wherein the gear shaft (32) is rotatably connected to the fixing base (1) through a bearing, and the turntable (31) is provided with a driving shaft (315); the drive shaft (315) is drivingly connected to the sun gear (313).
7. Portable torsional loading test device according to claim 1, characterized in that the first adapter (5) comprises: a first flange plate (51) and at least two clamping plates (52); the first flange plate (51) is fixed on the torsion loading mechanism (3); the clamping plate (52) is used for clamping the test part (0), the clamping plate (52) is perpendicular to the first flange plate (51), and the clamping plate (52) is detachably fixed to the first flange plate (51).
8. The portable torsion loading test device according to claim 1, wherein a torque sensor (7) is further provided between the first adapter (5) and the torsion loading mechanism (3); both ends of the torque sensor (7) are respectively fixed on the first adapter (5) and the torsion loading mechanism (3).
9. The portable torsion loading test device according to claim 1, wherein the support bar (4) comprises a plurality of support bars (1) which are uniformly arranged along the circumferential direction of the fixing seat (1), and the plurality of support bars (1) are mutually parallel.
10. Portable torsion loading test device according to any one of claims 1-9, characterized in that the holder (1) comprises: a second fixing plate (13) and a circular supporting plate (14); the first fixing plate (2), the supporting plate (14) and the second fixing plate (13) are provided with axially aligned bolt holes (141), and the supporting rod (14) is connected to the first fixing plate (2), the supporting plate (13) and the second fixing plate (14) through the bolt holes (141) in a bolt mode.
CN202310367541.7A 2023-04-07 2023-04-07 Portable torsion loading test device Active CN116573157B (en)

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CN112444377A (en) * 2020-11-12 2021-03-05 中国信息通信研究院 Optical fiber ribbon torsion measuring device and measuring method
CN215374798U (en) * 2021-06-17 2021-12-31 河北建研正方检测科技有限公司 Connecting piece for high-strength bolt detector and high-strength bolt detector
CN115476284A (en) * 2022-09-14 2022-12-16 成都飞机工业（集团）有限责任公司 Fixing tool for strength test of aircraft component and using method thereof
CN115718042A (en) * 2022-11-17 2023-02-28 长沙学院 Device and method for testing ring shear characteristics of contact surface of tire tread and discrete material

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101680828A (en) * 2007-04-19 2010-03-24 国际计测器株式会社 General-purpose test device, linear actuator, and twist test device
CN201909742U (en) * 2011-01-20 2011-07-27 北京科技大学 Constant load type stress corrosion twisting tester
US20130014602A1 (en) * 2011-07-11 2013-01-17 Villalobos Victor M Method and apparatus to convert linear and rotary motion to rotational torque
CN107902106A (en) * 2017-11-22 2018-04-13 深圳市科比特航空科技有限公司 Unmanned apparatus test device
CN110895228A (en) * 2019-11-21 2020-03-20 成都泰瑞通信设备检测有限公司 Optical fiber ribbon residual torsion testing device and testing method thereof
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CN215374798U (en) * 2021-06-17 2021-12-31 河北建研正方检测科技有限公司 Connecting piece for high-strength bolt detector and high-strength bolt detector
CN115476284A (en) * 2022-09-14 2022-12-16 成都飞机工业（集团）有限责任公司 Fixing tool for strength test of aircraft component and using method thereof
CN115718042A (en) * 2022-11-17 2023-02-28 长沙学院 Device and method for testing ring shear characteristics of contact surface of tire tread and discrete material

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