CN212513962U - Rotary bending fatigue testing machine complete machine - Google Patents
Rotary bending fatigue testing machine complete machine Download PDFInfo
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- CN212513962U CN212513962U CN202021282418.3U CN202021282418U CN212513962U CN 212513962 U CN212513962 U CN 212513962U CN 202021282418 U CN202021282418 U CN 202021282418U CN 212513962 U CN212513962 U CN 212513962U
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- 238000005452 bending Methods 0.000 title claims abstract description 47
- 238000009661 fatigue test Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 239000011521 glass Substances 0.000 claims abstract description 8
- 230000001360 synchronised effect Effects 0.000 claims description 12
- 238000012360 testing method Methods 0.000 abstract description 25
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 230000000712 assembly Effects 0.000 abstract description 4
- 238000000429 assembly Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 4
- 238000004880 explosion Methods 0.000 abstract description 3
- 238000002834 transmittance Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a rotatory bending fatigue testing machine complete machine, which comprises a frame, the frame, be equipped with the protection casing in the frame, one side of frame, and, be located the inside of protection casing is equipped with the tailstock, one side of tailstock is equipped with axiality guiding mechanism, one side of axiality guiding mechanism is equipped with the headstock, the equal symmetry in both sides of headstock is equipped with the amount of deflection guiding mechanism. Has the advantages that: the test efficiency is high, the rotary bending fatigue test of at most six catheter assemblies can be met, and the zero position state of the catheter can be conveniently adjusted before the test is started because the tailstock end is provided with the coaxiality adjusting mechanism; the deflection adjusting mechanism is arranged at the end of the head seat, when the coaxiality of the guide pipe sample meets the requirement of the initial state of the test, the guide pipe component reaches a corresponding strain value through adjustment of the deflection adjusting mechanism, the anti-explosion glass is arranged on the protective cover, the light transmittance of the main machine is increased, the real-time change of the guide pipe component can be observed by a tester in the test process, and the safety of the tester is protected.
Description
Technical Field
The utility model relates to an aviation hydraulic pressure conduit subassembly fluid pressure test, rotatory bending fatigue test field particularly, relate to a rotatory bending fatigue test machine complete machine.
Background
The bending fatigue is a failure mode of the aviation conduit assembly, and in order to improve the reliability of the design of the aviation conduit assembly, the fatigue life of the aviation conduit assembly in a certain stress state is measured by using a rotary bending fatigue testing machine, so that the fatigue testing method is an important technical means for researching the fatigue fracture of the aviation conduit assembly at present. The test is a combination test of a fluid pressure test, a rotation and bending fatigue test
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotatory bending fatigue testing machine complete machine to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a rotary bending fatigue testing machine complete machine comprises a rack, wherein a protective cover is arranged on the rack, a tailstock is arranged on one side of the rack and positioned in the protective cover, a coaxiality adjusting mechanism is arranged on one side of the tailstock, a headstock is arranged on one side of the coaxiality adjusting mechanism, deflection adjusting mechanisms are symmetrically arranged on two sides of the headstock, an oil source is arranged below the rack, the headstock is fixedly installed on the rack, the coaxiality adjusting mechanism comprises a workbench, the workbench is arranged on the rack, a linear guide rail pair is arranged on one side of the workbench, a guide rail lock is arranged on one side of the linear guide rail pair, a guide rail lock base plate is arranged on one side of the guide rail lock base plate, which is far away from the guide rail lock, a sample fixing base is fixedly arranged in the middle of one side of the guide rail lock base plate, and a fine adjusting nut is arranged in the middle of the, a sample mounting seat is arranged on one side, away from the guide rail lock base plate, of the sample fixing seat, a sample joint is arranged on one side of the sample mounting seat, the deflection adjusting mechanism comprises a deflection adjusting disc fixing seat, one side of the deflection adjusting disc fixing seat is arranged on the head seat, a deflection adjusting disc is arranged on one side, away from the head seat, of the deflection adjusting disc fixing seat, a self-aligning ball bearing is arranged in the middle of the deflection adjusting disc, a self-aligning bearing cover is arranged on one side, away from the deflection adjusting disc fixing seat, of the deflection adjusting disc, the self-aligning bearing cover is connected with the deflection adjusting disc through a first screw, a second screw is arranged on one side of the self-aligning bearing cover, a deflection screw mounting block is arranged at one end of the top of the deflection adjusting disc fixing seat, and the deflection adjusting disc fixing seat are in threaded connection through a third, and a scale is arranged on one side of the bending adjusting disc and on the bending adjusting disc fixing seat, and the bending adjusting mechanism is connected with a power device.
Furthermore, the two sides of the head seat are provided with a deflection adjusting mechanism in a shape like a Chinese character 'pin'.
Furthermore, a cylindrical pin is fixedly arranged on one side of the sample mounting seat, a limiting hole is formed in one end of the cylindrical pin, and the limiting hole is formed in the top of the sample fixing seat.
Furthermore, the sample fixing seat is in threaded connection with the sample mounting seat through a fastening screw.
Furthermore, both sides of the workbench are provided with fine adjustment baffles, and the fine adjustment baffles are in threaded connection with the guide rail lock base plate through fine adjustment screws.
Further, power device includes servo motor, the last hold-in range that is equipped with of servo motor, the hold-in range is connected with synchronous pulley, synchronous pulley locate through the pivot with the flexion adjusting disk fixing base is connected.
Furthermore, two sides of the protective cover are respectively provided with an explosion-proof lamp and explosion-proof glass.
Compared with the prior art, the utility model discloses following beneficial effect has:
the test efficiency is high, the rotary bending fatigue test of at most six catheter assemblies can be met, and the zero position state of the catheter can be conveniently adjusted before the test is started because the tailstock end is provided with the coaxiality adjusting mechanism; the deflection adjusting mechanism is arranged at the end of the head seat, when the coaxiality of the guide pipe sample meets the requirement of the initial state of the test, the guide pipe component reaches a corresponding strain value through adjustment of the deflection adjusting mechanism, the anti-explosion glass is arranged on the protective cover, the light transmittance of the main machine is increased, the real-time change of the guide pipe component can be observed by a tester in the test process, and the safety of the tester is protected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a whole machine of a rotary bending fatigue testing machine according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a whole machine of a rotary bending fatigue testing machine according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a complete machine tailstock of a rotary bending fatigue testing machine according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a coaxiality adjusting mechanism of a complete machine of a rotary bending fatigue testing machine according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of a coaxiality adjusting mechanism in a complete machine of a rotary bending fatigue testing machine according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a deflection adjusting mechanism of a whole machine of a rotary bending fatigue testing machine according to an embodiment of the present invention;
fig. 7 is a cross-sectional view of a deflection adjusting mechanism in a whole machine of a rotary bending fatigue testing machine according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a head seat of a whole machine of a rotary bending fatigue testing machine according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a power device in a complete machine of a rotary bending fatigue testing machine according to an embodiment of the present invention.
Reference numerals:
1. a frame; 2. a tailstock; 3. a coaxiality adjusting mechanism; 4. a headstock; 5. a deflection adjusting mechanism; 6. a source of oil; 7. an explosion-proof lamp; 8. explosion-proof glass; 9. a work table; 10. a servo motor; 11. a synchronous belt; 12. a synchronous pulley; 31. a guide rail lock; 32. a linear guide rail pair; 33. a guide rail lock backing plate; 34. fine adjustment of the nut; 35. a sample fixing seat; 36. a sample mounting base; 37. a cylindrical pin; 38. a sample joint; 39. finely adjusting the baffle; 311. fine adjustment of screws; 312. fastening screws; 5. a deflection adjusting mechanism; 51. a self-aligning bearing cap; 52. a flexion adjusting disk; 53. a flexure adjusting disk fixing base; 54. a flex screw mounting block; 55. a third screw; 56. a self-aligning ball bearing; 57. a scale; 58. a second screw; 59. a first screw.
Detailed Description
The following, with reference to the drawings and the detailed description, further description of the present invention is made:
the first embodiment is as follows:
referring to fig. 1-9, a rotary bending fatigue testing machine according to an embodiment of the present invention includes a frame 1, the frame 1 is provided with a protective cover on the frame 1, a tailstock 2 is provided inside the protective cover on one side of the frame 1, a coaxiality adjusting mechanism 3 is provided on one side of the tailstock 2, a headstock 4 is provided on one side of the coaxiality adjusting mechanism 3, deflection adjusting mechanisms 5 are symmetrically provided on both sides of the headstock 4, an oil source 6 is provided below the frame 1, the headstock 4 is fixedly mounted on the frame 1, the coaxiality adjusting mechanism 3 includes a worktable 9, the worktable 9 is provided on the frame 1, a linear guide rail pair 32 is provided on one side of the worktable 9, a guide rail lock 31 is provided on one side of the linear guide rail pair 32, a guide rail lock plate 33 is provided on one side of the guide rail lock 31 away from the worktable 9, the middle of one side of the guide rail lock backing plate 33 far away from the guide rail lock 31 is fixedly provided with a sample fixing seat 35, the middle of the sample fixing seat 35 is provided with a fine adjustment nut 34, one side of the sample fixing seat 35 far away from the guide rail lock backing plate 33 is provided with a sample mounting seat 36, one side of the sample mounting seat 36 is provided with a sample joint 38, the deflection adjusting mechanism 5 comprises a deflection adjusting disk fixing seat 53, one side of the deflection adjusting disk fixing seat 53 is arranged on the head seat 4, one side of the deflection adjusting disk fixing seat 53 far away from the head seat 4 is provided with a deflection adjusting disk 52, the middle of the deflection adjusting disk 52 is provided with a self-aligning ball bearing 56, one side of the deflection adjusting disk 52 far away from the deflection adjusting disk fixing seat 53 is provided with a self-aligning bearing cover 51, the self-aligning bearing cover 51 is connected with the deflection adjusting disk 52 through a first screw 59, one side of the self-, a deflection screw mounting block 54 is arranged at one end of the top of the deflection adjusting disc fixing seat 53, the deflection screw mounting block 54 is in threaded connection with the deflection adjusting disc fixing seat 53 through a third screw 55, a scale 57 is arranged on one side of the deflection adjusting disc 52 and on the deflection adjusting disc fixing seat 53, the deflection adjusting mechanism 5 is connected with a power device, the test efficiency is high, the rotary bending fatigue test of at most six pipe assemblies can be met, and the zero position state of the pipe is conveniently adjusted before the test is started due to the fact that a coaxiality adjusting mechanism is arranged at the tail seat end; the head seat end is provided with a deflection adjusting mechanism, and when the coaxiality of the guide pipe sample meets the requirement of the initial state of the test, the guide pipe component reaches a corresponding strain value through adjusting the deflection adjusting mechanism.
Example two:
referring to fig. 1-9, for the headstock 4, 6 deflection adjusting mechanisms 5 are installed on two sides of the headstock 4 in a shape like a Chinese character pin; for the sample mounting seat 36, a cylindrical pin 37 is fixedly arranged on one side of the sample mounting seat 36, a limiting hole is arranged at one end of the cylindrical pin 37, and the limiting hole is arranged at the top of the sample fixing seat 35; for the sample fixing seat 35, the sample fixing seat 35 is in threaded connection with the sample mounting seat 36 through a fastening screw 312; for the workbench 9, both sides of the workbench 9 are provided with fine adjustment baffles 39, and the fine adjustment baffles 39 are in threaded connection with the guide rail lock base plate 33 through fine adjustment screws 311; for the power device, the power device comprises a servo motor 10, a synchronous belt 11 is arranged on the servo motor 10, the synchronous belt 11 is connected with a synchronous belt wheel 12, and the synchronous belt wheel 12 is arranged and connected with the deflection adjusting disc fixing seat 53 through a rotating shaft; for the protective cover, the two sides of the protective cover are respectively provided with the explosion-proof lamp 7 and the explosion-proof glass 8, the protective cover is provided with the explosion-proof glass, the light transmission quantity of the main machine is increased, the real-time change of the pipe assembly can be observed by a tester conveniently in the test process, and the safety of the tester is protected.
To sum up, with the aid of the above technical scheme of the utility model, for the convenient understanding the above technical scheme of the utility model, just below the utility model discloses theory of operation or the mode of operation at the actual process carry out the detailed description:
in practical application, (1) the deflection adjusting mechanism 5 is driven by a power device, when a servo motor rotates, a rotating shaft is driven to rotate the deflection adjusting mechanism, so that a conduit assembly is driven to rotate at a high speed under a certain strain value, and (2) the conduit assembly is pressurized by an oil source and can be automatically stabilized and supplemented with pressure, so that the conduit assembly maintains test pressure in the whole test process; (3) when the conduit assembly is installed, according to the HB 6442 and 1990 hydraulic conduit and connecting piece bend fatigue test specification, before the test is started, the conduit assembly needs to be adjusted to an initial zero state, and the coaxiality adjusting mechanism 3 greatly reduces the difficulty of adjusting the initial zero state through fine adjustment of the test sample Y, Z direction. During adjustment, the guide rail lock 31 is loosened, the fine adjustment screw 311 is rotated clockwise or counterclockwise, so that the guide rail lock pad 33 and other parts mounted on the guide rail lock pad are driven to move along the Y direction, and the guide rail lock 31 is locked after the coaxiality in the Y direction meets the requirement. At this time, the fine adjustment nut 34 is adjusted, the fine adjustment nut 34 is rotated clockwise or counterclockwise to drive the sample mounting seat 36 to move up and down along the Z direction, when the coaxiality of the initial zero position of the full guide rail assembly is required, the fine adjustment nut stops rotating, and the sample mounting seat 36 is kept at the position under the limitation of the cylindrical pin 37. At the moment, the zero position requirement of the conduit assembly before the test is started can be met, (4) the adjustment of the deflection adjusting mechanism 5 is carried out, firstly, the second screw 58 is loosened, then the third screw 55 is adjusted to drive the bending adjusting disc 52 to slide up and down in the guide groove of the bending adjusting disc fixing seat 53, a dimension line is carved on the bending adjusting disc 52, and when the conduit assembly moves, the required stress value of the conduit assembly can be obtained according to the moving distance of the dimension line corresponding to the scale; (5) the device has high test efficiency, can meet the requirement that at most six catheter assemblies carry out rotary bending fatigue tests, and the tail seat end is provided with a coaxiality adjusting mechanism, so that the catheter can conveniently adjust the zero state before the test starts; the deflection adjusting mechanism is arranged at the end of the head seat, when the coaxiality of the guide pipe sample meets the requirement of the initial state of the test, the guide pipe component reaches a corresponding strain value through adjustment of the deflection adjusting mechanism, the anti-explosion glass is arranged on the protective cover, the light transmittance of the main machine is increased, the real-time change of the guide pipe component can be observed by a tester in the test process, and the safety of the tester is protected.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The whole machine of the rotary bending fatigue testing machine is characterized by comprising a rack (1), wherein a protective cover is arranged on the rack (1), a tailstock (2) is arranged on one side of the rack (1) and positioned in the protective cover, a coaxiality adjusting mechanism (3) is arranged on one side of the tailstock (2), a headstock (4) is arranged on one side of the coaxiality adjusting mechanism (3), deflection adjusting mechanisms (5) are symmetrically arranged on two sides of the headstock (4), an oil source (6) is arranged below the rack (1), the headstock (4) is fixedly installed on the rack (1), the coaxiality adjusting mechanism (3) comprises a workbench (9), the workbench (9) is arranged on the rack (1), a linear guide rail pair (32) is arranged on one side of the workbench (9), and a guide rail lock (31) is arranged on one side of the linear guide rail pair (32), one side of the guide rail lock (31) far away from the workbench (9) is provided with a guide rail lock base plate (33), the guide rail lock base plate (33) far away from the middle of one side of the guide rail lock (31) is fixedly provided with a sample fixing seat (35), the middle of the sample fixing seat (35) is provided with a fine adjustment nut (34), one side of the sample fixing seat (35) far away from the guide rail lock base plate (33) is provided with a sample mounting seat (36), one side of the sample mounting seat (36) is provided with a sample joint (38), the deflection adjusting mechanism (5) comprises a deflection adjusting disk fixing seat (53), one side of the deflection adjusting disk fixing seat (53) is arranged on the headstock (4), one side of the deflection adjusting disk fixing seat (53) far away from the headstock (4) is provided with a deflection adjusting disk (52), the middle of the deflection adjusting disk (52) is provided with a self-aligning ball, one side of the bending adjusting disc (52) far away from the bending adjusting disc fixing seat (53) is provided with a self-aligning bearing cover (51), the self-aligning bearing cover (51) is connected with the bending adjusting disc (52) through a first screw (59), one side of the self-aligning bearing cover (51) is provided with a second screw (58), one end of the top of the bending adjusting disc fixing seat (53) is provided with a bending screw mounting block (54), the bending screw mounting block (54) is in threaded connection with the bending adjusting disc fixing seat (53) through a third screw (55), one side of the bending adjusting disc (52) is located on the bending adjusting disc fixing seat (53) and is provided with a scale (57), and the bending adjusting mechanism (5) is connected with a power device.
2. The complete machine of the rotary bending fatigue testing machine as claimed in claim 1, wherein 6 deflection adjusting mechanisms (5) are arranged on two sides of the headstock (4) in a shape like a Chinese character pin.
3. The complete machine of the rotary bending fatigue testing machine is characterized in that a cylindrical pin (37) is fixedly arranged on one side of the sample mounting seat (36), a limiting hole is formed in one end of the cylindrical pin (37), and the limiting hole is formed in the top of the sample fixing seat (35).
4. The rotary bending fatigue testing machine complete machine is characterized in that the sample fixing seat (35) and the sample mounting seat (36) are in threaded connection through a fastening screw (312).
5. The complete machine of the rotary bending fatigue testing machine is characterized in that fine adjustment baffle plates (39) are arranged on two sides of the workbench (9), and the fine adjustment baffle plates (39) are in threaded connection with the guide rail lock base plate (33) through fine adjustment screws (311).
6. The complete machine of the rotary bending fatigue testing machine is characterized in that the power device comprises a servo motor (10), a synchronous belt (11) is arranged on the servo motor (10), the synchronous belt (11) is connected with a synchronous belt wheel (12), and the synchronous belt wheel (12) is arranged and connected with the deflection adjusting disc fixing seat (53) through a rotating shaft.
7. The rotary bending fatigue testing machine complete machine is characterized in that an explosion-proof lamp (7) and an explosion-proof glass (8) are respectively arranged on two sides of the protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021282418.3U CN212513962U (en) | 2020-07-02 | 2020-07-02 | Rotary bending fatigue testing machine complete machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021282418.3U CN212513962U (en) | 2020-07-02 | 2020-07-02 | Rotary bending fatigue testing machine complete machine |
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| Publication Number | Publication Date |
|---|---|
| CN212513962U true CN212513962U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021282418.3U Active CN212513962U (en) | 2020-07-02 | 2020-07-02 | Rotary bending fatigue testing machine complete machine |
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| CN (1) | CN212513962U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557224A (en) * | 2021-02-25 | 2021-03-26 | 中国科学院地质与地球物理研究所 | Alternating stress fatigue test equipment |
| CN115468870A (en) * | 2022-09-28 | 2022-12-13 | 福州大学 | Multi-axis rotation bending fatigue testing machine |
-
2020
- 2020-07-02 CN CN202021282418.3U patent/CN212513962U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557224A (en) * | 2021-02-25 | 2021-03-26 | 中国科学院地质与地球物理研究所 | Alternating stress fatigue test equipment |
| CN112557224B (en) * | 2021-02-25 | 2021-06-25 | 中国科学院地质与地球物理研究所 | Alternating stress fatigue test equipment |
| CN115468870A (en) * | 2022-09-28 | 2022-12-13 | 福州大学 | Multi-axis rotation bending fatigue testing machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A complete rotating bending fatigue testing machine Granted publication date: 20210209 Pledgee: Bank of China Limited Shenzhen Nantou Sub branch Pledgor: SHENZHEN WANCE TEST EQUIPMENT Co.,Ltd. Registration number: Y2024980034847 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |