CN210788734U - Bending device for resistance strain gauge test - Google Patents
Bending device for resistance strain gauge test Download PDFInfo
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- CN210788734U CN210788734U CN201921562318.3U CN201921562318U CN210788734U CN 210788734 U CN210788734 U CN 210788734U CN 201921562318 U CN201921562318 U CN 201921562318U CN 210788734 U CN210788734 U CN 210788734U
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- strain gauge
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- 238000012360 testing method Methods 0.000 title claims abstract description 56
- 238000005452 bending Methods 0.000 title abstract description 29
- 230000006835 compression Effects 0.000 claims abstract description 36
- 238000007906 compression Methods 0.000 claims abstract description 36
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a bending device for testing a resistance strain gauge, which comprises a base and a supporting rod, diaphragm and test piece, base and diaphragm are connected to the bracing piece, the through-hole setting on the test piece runs through the bracing piece, be equipped with the installation cavity on the base, montant and fluting, be equipped with motor and first pivot in the installation cavity, first pivot and fixed connection are on the motor, first pivot is connected the setting with the second pivot, one side that is equipped with the second pivot on the base is fixed with the connecting rod, a plurality of connecting rods are connected through removing the wheel, it is provided with the dwang to rotate on the montant, the dwang is connected with the fixed plate that is equipped with the sucking disc, it is fixed with the carriage release lever that compresses tightly the wheel to slide to set up in the fixed slot on the diaphragm, the diaphragm below is equipped with air pump and compression case, the air pump is connected through the connecting. The utility model provides a can not fix a position crooked position, cause crooked unsafe problem easily.
Description
Technical Field
The utility model relates to a bending apparatus technical field specifically is a bending apparatus for resistance strain gauge test.
Background
The resistance strain gauge is essentially used for measuring resistance change, but is displayed by reading of strain scales, the initially resistance strain gauge is generally indicated by an indicating electric meter or recorded by a recorder, along with the development of electronic technology, a digital strain gauge is now appeared, the digital strain gauge is directly used for displaying strain and is developed into a printable record, multipoint strain rapid measurement can be carried out, and for dynamic strain signals which change rapidly along with time, a data acquisition device and a system are developed, and the data acquisition device and the system are operated by a computer and can carry out real-time data acquisition, transmission, storage and processing.
The resistance strain gauge can test the resistance of a metal steel after bending, but the bending part can not be positioned during the bending process of the existing bending device, and the bending is easy to cause inaccurate bending, so a bending device for testing the resistance strain gauge is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bending apparatus for resistance strain gauge test has solved and can not fix a position crooked position, causes crooked unsafe problem easily.
In order to achieve the purpose of the invention, the utility model adopts the following technical scheme: a bending device for resistance strain gauge testing comprises a base, a supporting rod, a transverse plate and a testing piece, wherein one end of the supporting rod is fixed on the base, the transverse plate is fixed at the other end of the supporting rod, a through hole is formed in the supporting rod, the testing piece penetrates through the through hole, an installation cavity, a vertical rod and a groove are formed in the base, a motor and a first rotating shaft are arranged in the installation cavity, the first rotating shaft is fixedly connected to the motor, the bending device further comprises a second rotating shaft, the second rotating shaft penetrates through the groove, the second rotating shaft is connected with the first rotating shaft, a second bevel gear is arranged on the second rotating shaft, a plurality of connecting rods are fixed on one side of the base, provided with the second rotating shaft, connected through moving wheels, provided with a plurality of vertical rods, and rotating rods are rotatably arranged on the vertical rod, the dwang other end is connected with the fixed plate, be equipped with the sucking disc on the fixed plate, be equipped with the fixed slot on the diaphragm, it is provided with the carriage release lever to slide in the fixed slot, the carriage release lever other end is fixed with the pinch roller, the pinch roller corresponds the setting of second bevel gear, the diaphragm below is equipped with air pump and compression case, the air pump is connected through the connecting pipe with the compression case, still includes the push rod, push rod one end slides and sets up in the compression incasement, the push rod other end sets up outside the compression case, and the outer push rod end fixed connection of compression case has the pressure.
Preferably, the air pump sets up between compression case and carriage release lever, the connecting pipe is sealed to be fixed on the air pump, the connecting pipe other end extends to in the compression case, the one end that the push rod set up in the compression case is equipped with the compression board, the cover is equipped with the third spring on the push rod, the one end fixed connection of third spring is in compression bottom of the case portion, the other end fixed connection of third spring is in the upper end of pressure elbow.
Preferably, one end of the moving rod, which is arranged in the fixing groove, is fixedly connected with a sliding plate, the sliding plate is provided with a first spring, and the other end of the first spring is fixed on the inner wall of the fixing groove.
Preferably, the rotating rod is sleeved with a second spring, and the second spring is arranged between the vertical rod and the end part of the rotating rod.
Preferably, a bearing is arranged in the installation cavity, the bearing is arranged on the inner wall of the installation cavity, and the end part of the first rotating shaft penetrates through the bearing and is fixedly connected with the inner ring of the bearing.
Preferably, the device also comprises a third rotating shaft, the third rotating shaft penetrates through the connecting rod and is fixedly connected with the moving wheel, a second bevel gear is arranged at the end part of the third rotating shaft, and the second rotating shaft and the third rotating shaft are meshed with each other through the second bevel gear and are rotatably arranged.
Preferably, the first rotating shaft is sleeved with a first bevel gear, the other end of the second rotating shaft is provided with a first bevel gear, and the first rotating shaft is meshed with the second rotating shaft through the two first bevel gears and is arranged in a rotating manner.
Compared with the prior art, the bending device for testing the resistance strain gauge, which adopts the technical scheme, has the following beneficial effects:
firstly, adopt the utility model discloses a bending apparatus for resistance strain gauge test sets up the installation cavity on the base, installs second pivot and moving wheel, sets up the fixed slot on the diaphragm, installs carriage release lever and pinch roller, makes the test piece of different sizes can pass through smoothly and carry out the fixed direction of advance, drives the rotation of moving wheel through the motor, drives the test piece and incessantly advance forward, thereby drives the test piece and fixes through the sucking disc, can automatic removal metal steel, reduces workman's working strength;
secondly, through setting up air pump, compression case and pressure elbow, make and press the elbow to remove downwards, carry out bending to the test piece, rotate along with the test piece is crooked through the fixed plate simultaneously, and then guarantee bending's accuracy.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a bending apparatus for resistance strain gauge testing according to the present invention;
FIG. 2 is a side view showing the structure of a moving wheel portion in the present embodiment;
fig. 3 is a structural side view of the mast portion in this embodiment.
Reference numerals: 1. a base; 2. a support pillar; 3. a transverse plate; 4. fixing grooves; 5. a sliding plate; 6. a first spring; 7. a travel bar; 8. a pinch roller; 9. a connecting rod; 10. a moving wheel; 11. an air pump; 12. a connecting pipe; 13. a compression box; 14. a compression plate; 15. a push rod; 16. pressing the elbow; 17. a vertical rod; 18. rotating the rod; 19. a fixing plate; 20. a suction cup; 21. installing a chamber; 22. a motor; 23. a first rotating shaft; 24. a second rotating shaft; 25. a first bevel gear; 26. a bearing; 27. a second spring; 28. a third spring; 29. a third rotating shaft; 30. a second bevel gear; 31. and (6) testing the test piece.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 is a structural schematic diagram of a bending apparatus for resistance strain gauge test, which comprises a base 1, support column 2, diaphragm 3 and test piece 31, 2 one end of support column is fixed on base 1, diaphragm 3 is fixed at the 2 other ends of support column, be equipped with the through-hole on support column 2, test piece 31 runs through the through-hole setting, be equipped with installation cavity 21 on base 1, montant 17 and fluting, be equipped with motor 22 and first pivot 23 in the installation cavity 21, motor 22 is fixed on one side inner wall of installation cavity 21, first pivot 23 and fixed connection are on motor 22's output shaft.
The base further comprises a second rotating shaft 24, the second rotating shaft 24 penetrates through the groove and extends to the upper portion of the top of the base 1, the second rotating shaft 24 is connected with the first rotating shaft 23, and a second bevel gear 30 is arranged on the second rotating shaft 24. As shown in fig. 2, which is a structural side view of the moving wheel 10, a plurality of connecting rods 9 are fixed on one side of the base 1 on which the second rotating shaft 24 is provided, the connecting rods 9 are connected through the moving wheel 10, in this embodiment, two connecting rods 9 are provided on the base 1, and the moving wheel 10 is connected to one side of the two connecting rods 9 close to each other in a rolling manner.
The number of the vertical rods 17 is two, and the two vertical rods 17 are symmetrically welded on the base 1. Rotate on montant 17 and be provided with dwang 18, the dwang 18 other end is connected with fixed plate 19, be equipped with sucking disc 20 on the fixed plate 19, be equipped with fixed slot 4 on the diaphragm 3, it is provided with carriage release lever 7 to slide in the fixed slot 4, the carriage release lever 7 other end is fixed with pinch roller 8, pinch roller 8 corresponds the setting of second bevel gear 30, diaphragm 3 below is equipped with air pump 11 and compression case 13, air pump 11 is connected through connecting pipe 12 with compression case 13, still include push rod 15, the setting of sliding of push rod 15 one end is in compression case 13, the setting of the push rod 15 other end is outside compression case 13, the 15 end fixing of push rod outside compression case 13 is connected.
When the test piece 31 of different size and dimension passes through pinch roller 8, pinch roller 8 upwards compresses first spring 6, through the test piece 31 of different size and dimension, guarantee that test piece 31 is by fixed direction of advance when passing through pinch roller 8, and because motor 22 drives the rotation that removes wheel 10, drive test piece 31 and ceaselessly advance forward, thereby it fixes through sucking disc 20 to drive test piece 31, can the automatically move metal steel, above-mentioned structure can the automatically move test piece 31, reduce workman's working strength, carry out bending process to test piece 31 through pressure elbow 16. Due to the arrangement of the air pump 11, pressure can be applied to the compression box 13, so that the bending head 16 can move downwards to bend the test piece 31, and meanwhile, the fixing plate 19 rotates along with the bending of the test piece 31, so that the accuracy of bending is guaranteed. Through the effect of pinch roller 8 and first spring 6, can make not equidimension metal steel fix the direction of advance, set up sucking disc 20 simultaneously and fix test piece 31, make the bending head 16 can be more accurate carry out bending treatment.
As shown in fig. 3, which is a side view of the structure of the vertical rod 17, the rotating rod 18 is sleeved with a second spring 27, the second spring 27 is disposed between the vertical rod 17 and the end of the rotating rod 18, and after the fixed plate 19 on the rotating rod 18 finishes working, the second spring is returned to its original position by the action of a third spring 28. The bearing 26 is arranged in the mounting cavity 21, the bearing 26 is arranged on the inner wall of the other side of the mounting cavity 21, and the end part of the first rotating shaft 23 penetrates through the bearing 26 and is fixedly connected with the inner ring of the bearing 26.
The device also comprises a third rotating shaft 29, the third rotating shaft 29 penetrates through the connecting rod 9 and is fixedly connected with the moving wheel 10, a second bevel gear 30 is arranged at the end part of the third rotating shaft 29, and the second rotating shaft 24 and the third rotating shaft 29 are meshed with each other and rotatably arranged through the second bevel gear 30. The first rotating shaft 23 is sleeved with a first bevel gear 25, the other end of the second rotating shaft 24 is provided with the first bevel gear 25, and the first rotating shaft 23 is arranged to rotate with the second rotating shaft 24 through the meshing arrangement of the two first bevel gears 25.
In this embodiment, all the components connected to each other are connected by welding.
When the bending test device is used, a test piece 31 to be bent is placed between the pressing wheel 8 and the moving wheel 10 through the through hole in the support column 2, and due to the fact that different test pieces 31 are different in diameter, when the test piece enters between the pressing wheel 8 and the moving wheel 10, the pressing wheel 8 is squeezed upwards, the moving rod 7 can move upwards, the sliding plate 5 compresses the first spring 6, the advancing direction of the test piece 31 can be fixed, then the motor 22 is started, the output shaft of the motor 22 drives the first rotating shaft 23 to rotate, the first rotating shaft 23 drives the second rotating shaft 24 to rotate through the action of the two first bevel gears 25, the second rotating shaft 24 reaches the third rotating shaft 29 to rotate through the action of the two second bevel gears 30, the third rotating shaft 29 drives the moving wheel 10 to rotate, and the test piece 31 can be conveyed.
When the test piece 31 is transferred to the suction cup 20, the air pump 11 is started, the air pump 11 applies pressure to the compression box 13 through the connection pipe 12, at this time, the compression plate 14 moves downward, the push rod 15 is driven to move, at this time, the third spring 28 is in a stretching state, the press elbow 16 can be pushed downwards, when the press elbow 16 contacts the test piece 31, the force on the tapping piece can be applied, furthermore, the suction cup 20 can tightly suck and fix the test piece 31, when the elbow pressing head 16 continuously bends downwards, the fixed plate 19 is rotated by rotating the lever 18, with the second spring 27 in a compressed state, thus, it is ensured that the test piece 31 is not displaced when the test piece 31 is bent, and when the bending is completed, the air pump 11 is turned off, the pressure bend 16 is returned to its original position by the third spring 28, and the fixing plate 19 is also returned to its original position by the second spring 27.
The above is the preferred embodiment of the present invention, and a person skilled in the art can make several modifications and improvements without departing from the principle of the present invention, and these should also be regarded as the protection scope of the present invention.
Claims (7)
1. A flexure mechanism for use in resistance strain gauge testing, comprising: including base (1), support column (2), diaphragm (3) and test piece (31), support column (2) one end is fixed on base (1), the diaphragm (3) is fixed at the support column (2) other end, be equipped with the through-hole on support column (2), test piece (31) runs through the through-hole setting, be equipped with installation cavity (21), montant (17) and fluting on base (1), be equipped with motor (22) and first pivot (23) in installation cavity (21), first pivot (23) and fixed connection are on motor (22), still include second pivot (24), second pivot (24) run through the fluting setting, second pivot (24) are connected with first pivot (23) and are set up, be equipped with second bevel gear (30) on second pivot (24), one side that is equipped with second pivot (24) on base (1) is fixed with connecting rod (9), the connecting rod (9) is provided with a plurality of connecting rods (9) which are connected through a moving wheel (10), the vertical rod (17) is provided with a plurality of connecting rods (17), the vertical rod (17) is provided with a rotating rod (18) in a rotating way, the other end of the rotating rod (18) is connected with a fixed plate (19), a sucker (20) is arranged on the fixed plate (19), a fixed groove (4) is arranged on the transverse plate (3), the moving rod (7) is arranged in the fixed groove (4) in a sliding way, the other end of the moving rod (7) is fixed with a pressing wheel (8), the pressing wheel (8) is arranged corresponding to the second bevel gear (30), an air pump (11) and a compression box (13) are arranged below the transverse plate (3), the air pump (11) is connected with the compression box (13) through a connecting pipe (12), the air pump further comprises a push rod (15), one end of, the other end of the push rod (15) is arranged outside the compression box (13), and the end part of the push rod (15) outside the compression box (13) is fixedly connected with a pressure elbow (16).
2. The flexure mechanism for resistive strain gauge testing of claim 1, wherein: air pump (11) set up between compression case (13) and carriage release lever (7), connecting pipe (12) are sealed to be fixed on air pump (11), the connecting pipe (12) other end extends to in compression case (13), push rod (15) set up one end in compression case (13) and are equipped with compression board (14), the cover is equipped with third spring (28) on push rod (15), the one end fixed connection of third spring (28) is in compression case (13) bottom, the other end fixed connection of third spring (28) is in the upper end of pressure elbow (16).
3. The flexure mechanism for resistive strain gauge testing of claim 1, wherein: one end of the moving rod (7) arranged in the fixed groove (4) is fixedly connected with a sliding plate (5), a first spring (6) is arranged on the sliding plate (5), and the other end of the first spring (6) is fixed on the inner wall of the fixed groove (4).
4. The flexure mechanism for resistive strain gauge testing of claim 1, wherein: the cover is equipped with second spring (27) on dwang (18), second spring (27) set up between montant (17) and dwang (18) tip.
5. The flexure mechanism for resistive strain gauge testing of claim 1, wherein: the bearing (26) is arranged in the mounting cavity (21), the bearing (26) is arranged on the inner wall of the mounting cavity (21), and the end part of the first rotating shaft (23) penetrates through the bearing (26) and is fixedly connected with the inner ring of the bearing (26).
6. The flexure mechanism for resistive strain gauge testing of claim 1, wherein: still include third pivot (29), third pivot (29) run through connecting rod (9) and set up and with removal wheel (10) fixed connection, third pivot (29) tip is equipped with second bevel gear (30), second pivot (24) and third pivot (29) are through second bevel gear (30) intermeshing rotation setting.
7. The flexure mechanism for resistive strain gauge testing of claim 1, wherein: the first rotating shaft (23) is sleeved with a first bevel gear (25), the other end of the second rotating shaft (24) is provided with the first bevel gear (25), and the first rotating shaft (23) is meshed with the second rotating shaft (24) through the two first bevel gears (25) and is arranged in a rotating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921562318.3U CN210788734U (en) | 2019-09-19 | 2019-09-19 | Bending device for resistance strain gauge test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921562318.3U CN210788734U (en) | 2019-09-19 | 2019-09-19 | Bending device for resistance strain gauge test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210788734U true CN210788734U (en) | 2020-06-19 |
Family
ID=71238219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921562318.3U Expired - Fee Related CN210788734U (en) | 2019-09-19 | 2019-09-19 | Bending device for resistance strain gauge test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210788734U (en) |
-
2019
- 2019-09-19 CN CN201921562318.3U patent/CN210788734U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 |
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| CF01 | Termination of patent right due to non-payment of annual fee |