CN213481950U - Torsional spring sample anti-fatigue test power loading device - Google Patents
Torsional spring sample anti-fatigue test power loading device Download PDFInfo
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- CN213481950U CN213481950U CN202021124257.5U CN202021124257U CN213481950U CN 213481950 U CN213481950 U CN 213481950U CN 202021124257 U CN202021124257 U CN 202021124257U CN 213481950 U CN213481950 U CN 213481950U
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- torsion spring
- rotating plate
- deflector rod
- fatigue test
- fixed seat
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Abstract
A torsion spring sample anti-fatigue test power loading device comprises a clamping mechanism, a driving shaft and an executing mechanism; the clamping mechanism is provided with a spring fixing disc, rotating shafts, a rotating plate and positioning pins, wherein the spring fixing disc is provided with a plurality of rotating shafts along the circumferential direction, each rotating shaft is sleeved with a torsion spring sample piece and the rotating plate, the rotating plate can rotate around the rotating shafts, the positioning pins comprise a torsion spring fixing arm positioning pin and a rotating plate positioning pin, a fixing arm of the torsion spring sample piece is clamped on the torsion spring fixing arm positioning pin, and a torsion arm of the torsion spring sample piece is assembled with the rotating plate; two ends of the driving shaft are fixedly assembled with a chuck of the numerical control lathe and a spring fixing disc of the clamping mechanism respectively; the actuating mechanism is provided with a fixed seat and a shifting rod, the fixed seat is fixedly sleeved with a tool magazine of the numerically controlled lathe, the shifting rod is installed in the fixed seat, and one end of the shifting rod extends out of the fixed seat. The utility model provides a torsional spring appearance anti fatigue test cycle long, be difficult to with whole production beat assorted problem, reached the purpose that improves work efficiency, reduction in production cost.
Description
Technical Field
The utility model relates to a test device, especially a can accomplish torsional spring antifatigue test's power loading device with the cooperation of numerical control lathe.
Background
The torsion spring (torsion spring for short) is a component capable of providing elastic force, is generally made of spring steel, is used for controlling movement of machine parts, relieving impact or vibration and storing energy, and is widely applied to the fields of automobiles, machine tools, electric appliances, aviation aircrafts and the like. The torsion spring 1 assembled on the aircraft as shown in figure 1 is provided with a fixed arm 1-1 and a torsion arm 1-2, and can provide elastic driving force for other components after being deformed by loading power on the torsion arm 1-2. The torsion spring 1 is an important component for controlling locking and motion state switching of a machine part on an aircraft, and in order to ensure safe flight of the aircraft, the following technical requirements are provided: before the torsion spring 1 is installed, an anti-fatigue test is required, a sampling test mode is adopted for specific operation, the maximum torsion angle of the torsion spring 1 during power loading is 58 degrees, the loading times are 12000 times, the frequency is 30 times/minute, and a sampling test sample cannot be installed for use.
In the prior art, most of the fatigue resistance tests of the torsion springs 1 are completed through an automatic digital display type spring torsion testing machine, although required data can be acquired through testing sampling samples, the tests of only one torsion spring sample can be completed at one time, the time of the whole testing process is about 6.7 hours, under the condition that the demand of the torsion springs 1 is large, especially, the torsion spring sample extraction proportion applied to an aircraft is large (1 sampling test is needed for every 6 torsion springs 1 according to the technical requirements), the torsion testing machine is adopted to perform the torsion spring fatigue resistance tests, and the problems that the testing period is long and the torsion testing period is difficult to be matched with the overall production rhythm exist.
SUMMERY OF THE UTILITY MODEL
The utility model provides a torsional spring appearance anti fatigue test power loading device aims at through the cooperation with numerical control lathe, once only accomplishes the test of many torsional spring appearance, reaches the purpose that improves work efficiency, satisfies the whole production beat requirement.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a torsion spring sample anti-fatigue test power loading device is matched with a numerical control lathe to complete power loading operation in the torsion spring anti-fatigue test process, and comprises a clamping mechanism, a driving shaft and an executing mechanism; the clamping mechanism is provided with a spring fixing disc, rotating shafts, a rotating plate and positioning pins, wherein the spring fixing disc is provided with a plurality of rotating shafts along the circumferential direction, each rotating shaft is sleeved with a torsion spring sample piece and the rotating plate, the rotating plate can rotate around the rotating shafts, the positioning pins comprise a torsion spring fixing arm positioning pin and a rotating plate positioning pin, a fixing arm of the torsion spring sample piece is clamped on the torsion spring fixing arm positioning pin, and a torsion arm of the torsion spring sample piece is assembled with the rotating plate; two ends of the driving shaft are fixedly assembled with a chuck of the numerical control lathe and a spring fixing disc of the clamping mechanism respectively, and a spindle of the numerical control lathe drives the spring fixing disc to rotate through the chuck of the numerical control lathe and the driving shaft; the actuating mechanism is provided with a fixed seat and a shifting rod, the fixed seat is fixedly sleeved with a tool magazine of the numerically controlled lathe, the shifting rod is installed in the fixed seat, and one end of the shifting rod extends out of the fixed seat.
According to the dynamic loading device for the fatigue test of the torsion spring sample piece, the rotating plate is provided with the bearing arm, the bearing arm is provided with the torsion spring clamping groove, and the torsion arm of the torsion spring sample piece is clamped in the torsion spring clamping groove of the rotating plate.
According to the power loading device for the fatigue test of the torsion spring sample piece, the rotating plate positioning pin comprises a rotating plate initial position positioning pin and a rotating limit position positioning pin; and when the spring fixing disc rotates for one circle, the bearing arm of the rotating plate swings back and forth once between the initial position positioning pin and the rotation limit position positioning pin of the rotating plate, so that a power loading process is completed.
According to the torsion spring sample anti-fatigue test power loading device, the bearing is further arranged in the clamping mechanism, and the bearing is arranged between the rotating shaft and the rotating plate and located in the bearing mounting groove formed in the rotating plate.
According to the torsion spring sample piece fatigue test power loading device, the fixing seat is a disc with the mounting handle, the mounting handle extends into the tool magazine fixing sleeve of the numerical control lathe and is fixedly connected with the tool magazine fixing sleeve of the numerical control lathe through the jackscrew, the disc of the fixing seat is provided with the shifting rod assembling hole which is radially communicated, and the shifting rod is assembled in the shifting rod assembling hole.
According to the dynamic loading device for the fatigue test of the torsion spring sample piece, the actuating mechanism is also internally provided with a deflector rod telescopic control assembly, and the deflector rod telescopic control assembly comprises a guide sleeve, a spring, a screw plug and a deflector rod limiting pin; the lower end of a deflector rod assembly hole of the fixed seat disc is provided with an external thread, a screw plug is assembled at the position of the deflector rod assembly hole provided with the external thread, a guide sleeve is assembled at the upper end of the deflector rod assembly hole, and a deflector rod limiting groove is arranged on the side wall of the middle part of the deflector rod assembly hole; the lower end of the deflector rod penetrates through the guide sleeve and then is sleeved with a spring outside the guide sleeve, and two ends of the spring are respectively abutted against the inner side end faces of the guide sleeve and the screw plug; the driving lever limiting pin is arranged in a pin hole in the middle of the driving lever, and two ends of the driving lever limiting pin penetrate out of the pin hole and then enter a driving lever limiting groove of the driving lever assembling hole.
According to the dynamic loading device for the fatigue test of the torsion spring sample piece, the outer side end of the shifting rod is provided with the shifting tongue with the arc-shaped surface structure.
According to the dynamic loading device for the fatigue test of the torsion spring sample piece, the rubber sleeve is sleeved outside the rotating plate positioning pin.
The utility model relates to a torsional spring appearance anti fatigue test power loading device, it utilizes numerical control lathe's chuck to drive shaft and solid spring dish and rotates, still through pivot, torsional spring fixed arm locating pin and commentaries on classics board cooperation clamping a plurality of torsional spring appearance on solid spring dish, the while with the solid cover assembly of tool magazine of fixed disk and numerical control lathe in the actuating mechanism to join in marriage the dress driving lever in the fixed disk, consequently in solid spring dish rotation process, accessible driving lever and commentaries on classics board bear the arm cooperation and carry out periodic power loading to the torsional spring work piece. Because the utility model discloses can carry out power loading to a plurality of torsional spring exemplars simultaneously for the test of a plurality of torsional spring exemplars can be accomplished to a test process, thereby solved torsional spring exemplar anti-fatigue test cycle length, be difficult to with whole production beat assorted problem, reached the purpose that improves work efficiency, reduction in production cost.
Drawings
FIG. 1 is a schematic view of a torsion spring sample;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is an enlarged view of the structure at I in FIG. 2;
FIG. 4 is a schematic view of the cross-sectional structure A-A of FIG. 2;
FIG. 5 is a schematic view of a rotating plate structure;
FIG. 6 is a side view of FIG. 5;
FIG. 7 is a schematic view of the structure of the shift lever;
FIG. 8 is a schematic view of a stationary platen;
FIG. 9 is a schematic view of the cross-sectional structure B-B in FIG. 8;
fig. 10 is a schematic view of the working principle of the present invention.
The list of labels in the figure is:
1. 1-1 parts of torsion spring, 1-2 parts of fixed arm and torsion arm;
2. a spring fixing disc;
3. a torsion arm locating pin;
4. 4-1 parts of a rotating plate, 4-2 parts of a bearing arm, 4-3 parts of a torsion spring clamping groove and a bearing mounting groove;
5. a bearing;
6. a rotating shaft;
7. a rotating plate positioning pin 7-1, a rotating plate initial position positioning pin 7-2 and a rotating plate limit position positioning pin;
8. a rubber sleeve;
9. a deflector rod 9-1, a deflector tongue 9-2 and a pin hole;
10. a guide sleeve;
11. the device comprises a fixed seat 11-1, a deflector rod assembly hole 11-2, a deflector rod limiting groove 11-3 and external threads;
12. a spring;
13. a plug screw;
14. a deflector rod limit pin;
15. a drive shaft;
16. a numerical control lathe chuck;
17. the tool magazine of the numerical control lathe is fixedly sleeved.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 2, 3 and 4, the torsion spring sample anti-fatigue test power loading device of the present invention includes a clamping mechanism, a driving shaft 15 and an executing mechanism; the clamping mechanism is provided with a spring fixing disc 2, rotating shafts 6, a rotating plate 4 and positioning pins, six rotating shafts 6 are assembled on the spring fixing disc 2 along the circumferential direction, each rotating shaft 6 is sleeved with a torsion spring sample and the rotating plate 4, the rotating plate 4 can rotate around the rotating shafts 6, the positioning pins comprise a torsion spring fixing arm positioning pin 3 and a rotating plate positioning pin 7, a fixing arm 1-1 of the torsion spring sample is clamped on the torsion spring fixing arm positioning pin 3, and a torsion arm 1-2 of the torsion spring sample is assembled with the rotating plate 4; two ends of the driving shaft 15 are respectively fixedly assembled with a chuck 16 of the numerical control lathe and the spring fixing disc 2 of the clamping mechanism, and a main shaft of the numerical control lathe drives the spring fixing disc 2 to rotate through the chuck 16 of the numerical control lathe and the driving shaft 15; the actuating mechanism is provided with a fixed seat 11 and a shifting rod 9, the fixed seat 11 is fixedly assembled with a tool magazine fixing sleeve 17 of the numerically controlled lathe, the shifting rod 9 is installed in the fixed seat 11, one end of the shifting rod 9 extends out of the fixed seat, and in the rotating process of the fixed spring disc 2, the extending end of the shifting rod 9 is matched with the rotating plate 4 to carry out periodic power loading on the torsion spring 1 sample.
Referring to fig. 4, 5 and 6, the torsion spring sample anti-fatigue test power loading device of the present invention is provided with a bearing arm 4-1 and a bearing mounting groove 4-3 on a rotating plate 4, a bearing 5 is assembled in the bearing mounting groove 4-3, the bearing arm 4-1 is provided with a torsion spring slot 4-2, and the torsion arm 1-2 of the torsion spring sample is clamped in the torsion spring slot 4-2 of the rotating plate 4; the rotating plate positioning pin 7 comprises a rotating plate initial position positioning pin 7-1 and a rotating limit position positioning pin 7-2, and a rubber sleeve 8 is sleeved outside the rotating plate positioning pin 7; when the spring fixing disc 2 rotates for one circle, the bearing arm 4-1 of the rotating plate 4 swings back and forth between the positioning pin 7-1 at the initial position of the rotating plate and the positioning pin 7-2 at the rotating limit position once under the driving of the deflector rod 9, and a power loading process is completed.
Referring to fig. 4 and 7, the dynamic loading device for fatigue test of torsion spring sample piece of the present invention has a pin hole 9-2 in the middle of the shift lever 9 in the actuating mechanism, and a shift tongue 9-1 with an arc surface structure at the outer end of the shift lever 9.
Referring to fig. 4, 8 and 9, the torsion spring sample anti-fatigue test power loading device of the present invention has an actuating mechanism, wherein the fixing base 11 is a disc with a mounting handle, the mounting handle of the fixing base 11 extends into the tool magazine fixing sleeve 17 of the numerically controlled lathe, and is fixedly connected with the tool magazine fixing sleeve 17 of the numerically controlled lathe through a jackscrew, a radially through shifting rod assembling hole 11-1 is arranged in the fixing base disc, and the shifting rod 9 is assembled in the shifting rod assembling hole 11-1.
Referring to fig. 2 and 4, the actuator of the dynamic loading device for fatigue test of torsion spring sample piece of the present invention is further provided with a driving lever telescoping control assembly, wherein the driving lever telescoping control assembly comprises a guide sleeve 10, a spring 12, a screw plug 13 and a driving lever limit pin 14; the lower end of a deflector rod assembly hole 11-1 of the fixed seat disc is provided with an external thread 11-3, a screw plug 13 is assembled at the position of the deflector rod assembly hole provided with the external thread, the upper end of the deflector rod assembly hole 11-1 is provided with a guide sleeve 10, and the side wall of the middle part of the deflector rod assembly hole 11-1 is provided with a deflector rod limiting groove 11-2; the lower end of the shift lever 9 penetrates through the guide sleeve 10 and then is sleeved with a spring 12 on the outer surface of the guide sleeve 10, and two ends of the spring 12 respectively abut against the inner side end surfaces of the guide sleeve 10 and the screw plug 13; the deflector rod limiting pin 14 is arranged in a pin hole 9-2 in the middle of the deflector rod 9, and two ends of the deflector rod limiting pin penetrate out of the pin hole 9-2 and then enter a deflector rod limiting groove 11-2 of the deflector rod assembling hole 11-1.
Referring to fig. 2, 4 and 10, the torsion spring sample anti-fatigue test power loading device of the present invention, which is matched with a numerically controlled lathe to complete power loading operation in the torsion spring anti-fatigue test process, in the torsion spring sample anti-fatigue test process, a chuck 16 of the numerically controlled lathe drives a driving shaft 15 and a spring fixing disc 2 to rotate, when a bearing arm 4-1 of a rotating plate 4 contacts with a pulling tongue 9-1 at the extending end of the pulling rod 9, along with the rotation of the spring fixing disc 2, the pulling rod 9 pushes the rotating plate 4 to rotate around a rotating shaft 6, the bearing arm 4-1 of the rotating plate 4 rotates from a rotating plate initial position positioning pin 7-1 to an extreme position positioning pin 7-2, and is prevented from continuing to rotate by the extreme position positioning pin 7-2, and at this time, the torsion angle of the torsion spring sample installed in a torsion spring clamping groove 4-2 of the rotating plate 4 is 58 °; the spring fixing disc 2 continues to rotate, the bearing arm 4-1 of the rotating plate 4 applies pressure to the deflector rod 9, the deflector rod 9 is pushed to retract along the axis direction of the guide sleeve 10, the spring 12 is compressed through the deflector rod limiting pin 14, after the bearing arm 4-1 of the rotating plate 4 rotates to be in contact with the deflector rod 9, the rotating plate 4 rotates around the rotating shaft 6 to reset under the elastic force of a torsion spring sample, the position of the rotating plate is limited by the rotating plate initial position positioning pin 7-1, meanwhile, the deflector rod 9 extends out to reset under the elastic force of the spring 12, and the next torsion spring sample enters the power loading process.
Claims (8)
1. A torsion spring sample anti-fatigue test power loading device is matched with a numerical control lathe to complete power loading operation in the torsion spring anti-fatigue test process, and is characterized by comprising a clamping mechanism, a driving shaft (15) and an executing mechanism; the clamping mechanism is provided with a spring fixing disc (2), rotating shafts (6), a rotating plate (4) and positioning pins, wherein the spring fixing disc (2) is provided with a plurality of rotating shafts (6) along the circumferential direction, each rotating shaft (6) is sleeved with a torsion spring sample and the rotating plate (4), the rotating plate (4) can rotate around the rotating shafts (6), the positioning pins comprise torsion spring fixing arm positioning pins (3) and rotating plate positioning pins (7), a fixing arm (1-1) of the torsion spring sample is clamped on the torsion spring fixing arm positioning pins (3), and torsion arms (1-2) of the torsion spring sample are assembled with the rotating plate (4); two ends of the driving shaft (15) are respectively fixedly assembled with a numerical control lathe chuck (16) and a spring fixing disc (2) of the clamping mechanism, and a main shaft of the numerical control lathe drives the spring fixing disc (2) to rotate through the numerical control lathe chuck (16) and the driving shaft (15); the actuating mechanism is provided with a fixed seat (11) and a shifting rod (9), the fixed seat (11) is assembled with a tool magazine fixing sleeve (17) of the numerically controlled lathe, the shifting rod (9) is installed in the fixed seat (11), and one end of the shifting rod (9) extends out of the fixed seat.
2. The torsion spring sample anti-fatigue test power loading device according to claim 1, wherein the rotating plate (4) is provided with a bearing arm (4-1), the bearing arm (4-1) is provided with a torsion spring clamping groove (4-2), and the torsion arm (1-2) of the torsion spring sample is clamped in the torsion spring clamping groove (4-2) of the rotating plate (4).
3. The torsion spring sample anti-fatigue test dynamic loading device according to claim 2, wherein the rotating plate positioning pin (7) comprises a rotating plate initial position positioning pin (7-1) and a rotation limit position positioning pin (7-2); and when the spring fixing disc (2) rotates for one circle, the bearing arm (4-1) of the rotating plate (4) swings back and forth once between the positioning pin (7-1) at the initial position of the rotating plate and the positioning pin (7-2) at the rotation limit position, so that a power loading process is completed.
4. The torsion spring sample anti-fatigue test power loading device according to claim 3, wherein a bearing (5) is further arranged in the clamping mechanism, and the bearing (5) is installed between the rotating shaft (6) and the rotating plate (4) and is located in a bearing installation groove (4-3) formed in the rotating plate (4).
5. The torsion spring sample anti-fatigue test power loading device according to any one of claims 1 to 4, wherein the fixed seat (11) is a disc with a mounting handle, the mounting handle extends into a tool magazine fixed sleeve (17) of the numerically controlled lathe and is fixedly connected with the tool magazine fixed sleeve (17) of the numerically controlled lathe through a jackscrew, a deflector rod assembly hole (11-1) which penetrates through the disc of the fixed seat in the radial direction is formed in the disc of the fixed seat, and the deflector rod (9) is assembled in the deflector rod assembly hole (11-1).
6. The torsion spring sample anti-fatigue test power loading device according to claim 5, wherein a deflector rod telescoping control assembly is further arranged in the actuating mechanism, and the deflector rod telescoping control assembly comprises a guide sleeve (10), a spring (12), a screw plug (13) and a deflector rod limit pin (14); the lower end of a deflector rod assembly hole (11-1) of the fixed seat disc is provided with an external thread (11-3), a screw plug (13) is assembled at the position of the deflector rod assembly hole provided with the external thread, the upper end of the deflector rod assembly hole (11-1) is provided with a guide sleeve (10), and a deflector rod limiting groove (11-2) is arranged on the side wall in the middle of the deflector rod assembly hole (11-1); the lower end of the shifting rod (9) penetrates through the guide sleeve (10) and then is sleeved with a spring (12), and two ends of the spring (12) are respectively abutted against the inner side end faces of the guide sleeve (10) and the screw plug (13); the deflector rod limiting pin (14) is arranged in a pin hole (9-2) in the middle of the deflector rod (9), and two ends of the deflector rod limiting pin penetrate out of the pin hole (9-2) and then enter a deflector rod limiting groove (11-2) of the deflector rod assembling hole (11-1).
7. The torsion spring sample member fatigue test power loading device according to claim 1, wherein the outer side end of the shift lever (9) is provided with a shift tongue (9-1) with an arc-shaped surface structure.
8. The torsion spring sample anti-fatigue test dynamic loading device according to claim 1, wherein a rubber sleeve (8) is sleeved outside the rotating plate positioning pin (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021124257.5U CN213481950U (en) | 2020-06-17 | 2020-06-17 | Torsional spring sample anti-fatigue test power loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021124257.5U CN213481950U (en) | 2020-06-17 | 2020-06-17 | Torsional spring sample anti-fatigue test power loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213481950U true CN213481950U (en) | 2021-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021124257.5U Active CN213481950U (en) | 2020-06-17 | 2020-06-17 | Torsional spring sample anti-fatigue test power loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213481950U (en) |
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2020
- 2020-06-17 CN CN202021124257.5U patent/CN213481950U/en active Active
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