CN205080010U - Xenogenesis steel welding process assesss and uses bending test device - Google Patents
Xenogenesis steel welding process assesss and uses bending test device Download PDFInfo
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- CN205080010U CN205080010U CN201520857830.6U CN201520857830U CN205080010U CN 205080010 U CN205080010 U CN 205080010U CN 201520857830 U CN201520857830 U CN 201520857830U CN 205080010 U CN205080010 U CN 205080010U
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Abstract
The utility model discloses a xenogenesis steel welding process assesss and uses bending test device, including the base, install level pressure roller set spare and dynamic pressure roller set spare on the base, level pressure roller set spare rotates on this fixed roll seat and installs the level pressure roller including being fixed in the fixed roll seat on the base, dynamic pressure roller set spare includes the action roller seat, rotates on this action roller seat and installs the dynamic pressure roller, sets up between dynamic pressure roller and the level pressure roller and places the clearance, is provided with closing device on the fixed roll seat, installs rotary driving medium and straight -line drive piece on the base, and the gyration driving medium rotates to be installed on the base and is connected with the transmission of action roller seat, straight -line drive piece straight line slidable mounting on the base and with the gyration driving medium between the transmission be connected, the quick -witted pressure head of straight -line drive piece and compression test coordinates. This bending test device can rotate around the central of level pressure roller with compression test machine cooperation drive action roller seat, and the atress of welded specimen is more even when crooked, makes the steel of welding seam both sides warp unanimously, ensures the accuracy of test result, has saved the strength.
Description
Technical field
The utility model relates to a kind of bend test device, refers to a kind of dissimilar steel welding technology evaluation bend test device especially.
Background technology
Dissimilar steel welding technology evaluation welded specimen, because bi-material intensity, hardness are different, when utilizing traditional universal testing machine to carry out bending test, often there is sideslip in sample, causes sample to scrap time serious, thus cause test findings inaccurate or without result.And before the present inventor, have submitted the dissimilar steel welding technology evaluation welded specimen test unit that application number is 201310149274.2, this test unit reasonablely can carry out bending test to welded specimen, but, still have the following disadvantages: 1. this bend test device needs manual bending, effort is compared in operation, and can affect the bending precision of sample during manual bending; 2. this bend test device is although be also to adapt to the test of multi-thickness material bending, but fixes due to the centre distance between dynamic pressure roller and level pressure roller, during the change of level pressure roller diameter value dynamic pressure roller diameter value also respective change, amount of machining is larger.And the welded specimen of level pressure roller diameter > 50mm can not be carried out.3. clamping device design defect limits the bending operation of 4 times of wall thickness welded specimens.Adaptation material thickness range, Bend diameter scope suffer restraints in a word.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of dissimilar steel welding technology evaluation bend test device, this bend test device can coordinate the center rotating driving action roller seat around level pressure roller with pressure testing machine, time bending, welded specimen is stressed more even, make the deformation of steel of weld seam both sides consistent, guarantee the accurate of test findings, save strength.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of dissimilar steel welding technology evaluation bend test device, comprise base, described base is provided with level pressure roll assembly and dynamic pressure roller assembly, described level pressure roll assembly comprises the fixed roll seat be fixed on base, and this fixed roll seat is rotatablely equipped with level pressure roller, described dynamic pressure roller assembly comprises the concentric action roller seat rotated with level pressure roller, this action roller seat is rotatablely equipped with the dynamic pressure roller be arranged in parallel with level pressure roller, the placement gap for placing welded specimen is provided with between dynamic pressure roller and level pressure roller, the side described fixed roll seat being positioned at level pressure roller is provided with the hold down gag compressing welded specimen one end, described base is provided with revolution driving member and straight-line transmitting moving part, described revolution driving member rotates and is installed on base and is in transmission connection with action roller seat, the center of rotation of described revolution driving member overlaps with the center of rotation of action roller seat, described straight-line transmitting moving part linear slide to be installed on base and and be in transmission connection between revolution driving member, described straight-line transmitting moving part coordinates with the pressure head of pressure testing machine.
As the preferred scheme of one, described revolution driving member is gear, and corresponding described straight-line transmitting moving part is tooth bar.
As the preferred scheme of one, the mode of being in transmission connection between described revolution driving member and action roller seat is: the central shaft of described revolution driving member is fixed with eccentric wheel, this eccentric wheel is provided with joint pin, between described joint pin and action roller seat, bolt is fixed.
As the preferred scheme of one, described base is also provided with the stop means of restriction action roller seat rotational angle.
As the preferred scheme of one, described action roller seat is also provided with reseting handle.
As the preferred scheme of one, described hold down gag comprises the pressed seat be fixed on fixed roll seat, this pressed seat is provided with the jack facilitating welded specimen one end to insert, and described pressed seat is provided with the clamping screw compressing the welded specimen inserted in jack.
As the preferred scheme of one, the position of described pressed seat on fixed roll seat is adjustable, and described fixed roll seat is provided with compression pedestal, and described compression pedestal is provided with installation through hole, described pressed seat through installation through hole and by lock-screw fastening.
As the preferred scheme of one, described action roller seat comprise upper supporting plate, lower carrier plate and connect upper supporting plate and the lower carrier plate web joint with side end, described upper supporting plate and lower carrier plate all rotate be installed on level pressure roller roll shaft on, described upper supporting plate and lower carrier plate are provided with the bar shaped mounting hole cooperatively interacted, described dynamic pressure roller rotates and to be installed between upper supporting plate and lower carrier plate and the roll shaft of dynamic pressure roller is constrained in bar shaped mounting hole, is provided with the cushion block of the roll shaft supporting dynamic pressure roller in this bar shaped mounting hole.
After have employed technique scheme, effect of the present utility model is: because the side described fixed roll seat being positioned at level pressure roller is provided with the hold down gag compressing welded specimen one end, described base is provided with revolution driving member and straight-line transmitting moving part, described revolution driving member rotates and is installed on base and is in transmission connection with action roller seat, the center of rotation of described revolution driving member overlaps with the center of rotation of action roller seat, described straight-line transmitting moving part linear slide to be installed on base and and be in transmission connection between revolution driving member, described straight-line transmitting moving part coordinates with the pressure head of pressure testing machine, therefore, base is positioned on the platform of pressure testing machine, then the pressure head of pressure testing machine presses down straight-line transmitting moving part, and straight line power conversion is become rotary motive power by straight-line transmitting moving part and power transmission drives action roller seat to rotate to action roller seat the most at last, dynamic pressure roller on such action roller seat will compress welded specimen makes it be fitted on level pressure roller, because this bend test device utilizes pressure testing machine as power resources, press down speed even, therefore the rotation of action roller seat is also evenly smooth and easy, thus make the bending precision of welded specimen meet the requirement of procedure qualification.After completing, straight-line transmitting moving part can be resetted, reset now can be adopt manually or directly straight-line transmitting moving part and pressure head are fixed, and utilizes the rising of pressure head to realize the reset of straight-line transmitting moving part.
Again owing to described base being also provided with the stop means of restriction action roller seat rotational angle, this stop means can limit the rotational angle of action roller seat, guarantees that welded specimen is bending and puts in place.
Again due to described action roller seat being also provided with reseting handle, this bend test device is just without the need to fixing with pressure testing machine like this, directly be placed on pressure test machine platform, without the need to additionally increasing new web member, after finishing bending test, pressure testing machine can do other pressure tests, therefore more flexible.
Again because the position of described pressed seat on fixed roll seat is adjustable, described fixed roll seat is provided with compression pedestal, described compression pedestal is provided with installation through hole, described pressed seat through installation through hole and by lock-screw fastening.So when changing different level pressure rollers and dynamic pressure roller, the position of pressed seat can be adjusted, guarantee that jack mates with level pressure roller and dynamic pressure roller.
Again due to described action roller seat comprising upper supporting plate, lower carrier plate and connect upper supporting plate and the lower carrier plate web joint with side end, described upper supporting plate and lower carrier plate all rotate be installed on level pressure roller roll shaft on, described upper supporting plate and lower carrier plate are provided with the bar shaped mounting hole cooperatively interacted, described dynamic pressure roller rotates and to be installed between upper supporting plate and lower carrier plate and the roll shaft of dynamic pressure roller is constrained in bar shaped mounting hole, the cushion block of the roll shaft supporting dynamic pressure roller is installed in this bar shaped mounting hole, therefore, dynamic pressure roller can be adjustable in the scope of bar shaped mounting hole, thus the centre distance of action roller seat and fixed roll seat can adjust, the thickness range of the welded specimen therefore adapted to is wider.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the Facad structure schematic diagram of the utility model embodiment;
Fig. 2 is the schematic top plan view of the utility model embodiment;
In accompanying drawing: 1. base; 2. fixed roll seat; 3. level pressure roller; 4. dynamic pressure roller; 5. upper supporting plate; 6. web joint; 7. lower carrier plate; 8. joint pin; 9. reseting handle; 10. pressed seat; 11. clamping screws; 12. gears; 13. tooth bars; 14. central shafts; 15. eccentric wheels; 16. jacks; 17. stop means; 18. bar shaped mounting holes; 19. cushion blocks; 20. compress pedestal.
Embodiment
Below by specific embodiment, the utility model is described in further detail.
As depicted in figs. 1 and 2, a kind of dissimilar steel welding technology evaluation bend test device, comprises base 1, described base 1 is provided with level pressure roller 3 assembly and dynamic pressure roller 4 assembly, described level pressure roller 3 assembly comprises the fixed roll seat 2 be fixed on base 1, and this fixed roll seat 2 is rotatablely equipped with level pressure roller 3; This fixed roll seat 2 is into forked for the position of installing level pressure roller 3 equally, facilitates the rotation of level pressure roller 3.
Described dynamic pressure roller 4 assembly comprises the concentric action roller seat rotated with level pressure roller 3, this action roller seat is rotatablely equipped with the dynamic pressure roller 4 be arranged in parallel with level pressure roller 3, the placement gap for placing welded specimen is provided with between dynamic pressure roller 4 and level pressure roller 3, described action roller seat comprises upper supporting plate 5, lower carrier plate 7 and connect upper supporting plate 5 and lower carrier plate 7 web joint 6 with side end, upper supporting plate 5, lower carrier plate 7 and web joint 6 also constitute forked equally and coordinate with fixed roll seat 2, described upper supporting plate 5 and lower carrier plate 7 all rotate and are installed on the roll shaft of level pressure roller 3, like this, action roller seat can rotate with one heart relative to the center of rotation of level pressure roller 3, described upper supporting plate 5 and lower carrier plate 7 are provided with the bar shaped mounting hole 18 cooperatively interacted, described dynamic pressure roller 4 rotates and to be installed between upper supporting plate 5 and lower carrier plate 7 and the roll shaft of dynamic pressure roller 4 is constrained in bar shaped mounting hole 18, the cushion block 19 of the roll shaft supporting dynamic pressure roller 4 is installed in this bar shaped mounting hole 18, like this, the roll shaft of dynamic pressure roller 4 just can adjust arbitrarily in the scope of bar shaped mounting hole 18, adaptability is wider, adapt to the bending test of the welded specimen of more specifications.
As depicted in figs. 1 and 2, the side described fixed roll seat 2 being positioned at level pressure roller 3 is provided with the hold down gag compressing welded specimen one end, and described hold down gag is used for compressing one end of welded specimen, facilitates dynamic pressure roller 4 to exert a force.Described hold down gag comprises the pressed seat 10 be fixed on fixed roll seat 2, wherein preferred, the described position of pressed seat 10 on fixed roll seat 2 is adjustable, described fixed roll seat 2 is provided with and compresses pedestal 20, described compression pedestal 20 is provided with installation through hole, described pressed seat 10 through installation through hole and by lock-screw fastening.This pressed seat 10 is square pressed seat 10, and installation through hole is square through hole.This pressed seat 10 is provided with the jack 16 facilitating welded specimen one end to insert, described pressed seat 10 is provided with the clamping screw 11 compressing the welded specimen inserted in jack 16.The position adjustments of pressed seat 10 is actual is exactly the position adjustments of jack 16, make jack 16 all the time with weld sample and coordinate.
Described base 1 is provided with revolution driving member and straight-line transmitting moving part, described revolution driving member rotates and is installed on base 1 and is in transmission connection with action roller seat, the center of rotation of described revolution driving member overlaps with the center of rotation of action roller seat, described straight-line transmitting moving part linear slide to be installed on base 1 and and be in transmission connection between revolution driving member, described straight-line transmitting moving part coordinates with the pressure head of pressure testing machine.
Described revolution driving member is gear 12, and corresponding described straight-line transmitting moving part is tooth bar 13, or described revolution driving member is nut, corresponding described straight-line transmitting moving part is leading screw, certainly, this revolution driving member can also be worm gear, and corresponding straight-line transmitting moving part can be worm screw.
The mode of being in transmission connection between described revolution driving member and action roller seat is: the central shaft 14 of described revolution driving member is fixed with eccentric wheel 15, between central shaft 14 with eccentric wheel 15, key is connected and realizes power power transmission, this eccentric wheel 15 is provided with joint pin 8, between described joint pin 8 and action roller seat, bolt is fixed, described action roller seat is also provided with reseting handle 9, when needs reset tooth bar 13, pulling reseting handle 9 with hand makes action roller seat turn round, action roller seat band movable eccentric wheel 15 turns round, and then turned round by central shaft 14 driven gear 12, resulting belt carry-over bar 13 resets.
Described base 1 is also provided with the stop means 17 of restriction action roller seat rotational angle, this stop means 17 comprises the limiting plate be fixed on base 1, this limiting plate is provided with stopper slot, stopper slot coordinates for the installation portion installing joint pin 8 with on action roller seat, certainly, this stop means 17 can also be limit switch, and when action roller seated connection contacts limit switch, pressure head stops declining.Certainly, the length for tooth bar also should correspondingly coordinate.
The course of work of the present utility model is: be fixed on the platform of pressure testing machine by base 1, tooth bar 13 is vertically arranged upward, action roller seat is turned to vertical initial position, now, placing gap facilitates welded specimen level to insert, then the pressure head of pressure testing machine declines and press against tooth bar 13 and force tooth bar 13 to run downwards, tooth bar 13 is descending to be rotated with regard to driven gear 12, thus utilize eccentric wheel 15 to be rotated by action roller seat, dynamic pressure roller 4 and level pressure roller 3 cooperatively interact roll extrusion welded specimen bend, the Dissimilar Steels distortion of weld seam both sides evenly, guarantees that test result is accurate.
Before sample bends, the calculating position of the strength of materials, sample one end that hardness is low is gripped, welded specimen rolls from 0 degree to 180 degree around level pressure roller by dynamic pressure roller, and period effectively can control welded specimen weld(ing) deposit center line and drop on 90 degree of coincidences or neighbouring position.This device can be avoided welded specimen sideslip and cancel, and reduces experimentation cost, shortens the qualification of welding procedure shut-in time.This device uniform force, operates steadily, and one end that probe intensity is low is first bent shaping by gripping, be bent shaping after the material that intensity is high, two kinds of deformation of steel of weld seam both sides can be made consistent, and bending camber line is round and smooth, guarantees that sample bends the accurate of qualified and test findings.This device designs according to the table 13 " bending test condition and parameter " of " bearing device qualification of welding procedure " NB/T47014-2011.Its level pressure roller, dynamic pressure roller can dismounting and change, and dynamic pressure roller can axis shift; Level pressure roller diameter scope 12mm ~ 100mm, dynamic pressure roller diameter >=38mm, be applicable to the bending test of all material samples of welded specimen thickness >=3mm in this critical field.Equipment is widely applicable.This device uses the power machine transmission of universal testing machine, convenient operation, saves manpower.
The above embodiment is only the description to the preferred embodiment of the present invention; not as limiting the scope of the invention; design on the basis of spirit not departing from the present invention; the various distortion make technical solution of the present invention and transformation, all should fall in protection domain that claims of the present invention determine.
Claims (8)
1. a dissimilar steel welding technology evaluation bend test device, comprise base, described base is provided with level pressure roll assembly and dynamic pressure roller assembly, it is characterized in that: described level pressure roll assembly comprises the fixed roll seat be fixed on base, this fixed roll seat is rotatablely equipped with level pressure roller, described dynamic pressure roller assembly comprises the concentric action roller seat rotated with level pressure roller, this action roller seat is rotatablely equipped with the dynamic pressure roller be arranged in parallel with level pressure roller, the placement gap for placing welded specimen is provided with between dynamic pressure roller and level pressure roller, the side described fixed roll seat being positioned at level pressure roller is provided with the hold down gag compressing welded specimen one end, described base is provided with revolution driving member and straight-line transmitting moving part, described revolution driving member rotates and is installed on base and is in transmission connection with action roller seat, the center of rotation of described revolution driving member overlaps with the center of rotation of action roller seat, described straight-line transmitting moving part linear slide to be installed on base and and be in transmission connection between revolution driving member, described straight-line transmitting moving part coordinates with the pressure head of pressure testing machine.
2. a kind of dissimilar steel welding technology evaluation bend test device as claimed in claim 1, is characterized in that: described revolution driving member is gear, and corresponding described straight-line transmitting moving part is tooth bar.
3. a kind of dissimilar steel welding technology evaluation bend test device as claimed in claim 2, it is characterized in that: the mode of being in transmission connection between described revolution driving member and action roller seat is: the central shaft of described revolution driving member is fixed with eccentric wheel, this eccentric wheel is provided with joint pin, and between described joint pin and action roller seat, bolt is fixed.
4. a kind of dissimilar steel welding technology evaluation bend test device as claimed in claim 3, is characterized in that: the stop means described base being also provided with restriction action roller seat rotational angle.
5. a kind of dissimilar steel welding technology evaluation bend test device as claimed in claim 4, is characterized in that: described action roller seat is also provided with reseting handle.
6. a kind of dissimilar steel welding technology evaluation bend test device as described in any one of claim 1 to 5, it is characterized in that: described hold down gag comprises the pressed seat be fixed on fixed roll seat, this pressed seat is provided with the jack facilitating welded specimen one end to insert, described pressed seat is provided with the clamping screw compressing the welded specimen inserted in jack.
7. a kind of dissimilar steel welding technology evaluation bend test device as claimed in claim 6, it is characterized in that: the position of described pressed seat on fixed roll seat is adjustable, described fixed roll seat is provided with compression pedestal, described compression pedestal is provided with installation through hole, described pressed seat through installation through hole and by lock-screw fastening.
8. a kind of dissimilar steel welding technology evaluation bend test device as claimed in claim 7, it is characterized in that: described action roller seat comprises upper supporting plate, lower carrier plate and connect upper supporting plate and the lower carrier plate web joint with side end, described upper supporting plate and lower carrier plate all rotate be installed on level pressure roller roll shaft on, described upper supporting plate and lower carrier plate are provided with the bar shaped mounting hole cooperatively interacted, described dynamic pressure roller rotates and to be installed between upper supporting plate and lower carrier plate and the roll shaft of dynamic pressure roller is constrained in bar shaped mounting hole, the cushion block of the roll shaft supporting dynamic pressure roller is installed in this bar shaped mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520857830.6U CN205080010U (en) | 2015-10-29 | 2015-10-29 | Xenogenesis steel welding process assesss and uses bending test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520857830.6U CN205080010U (en) | 2015-10-29 | 2015-10-29 | Xenogenesis steel welding process assesss and uses bending test device |
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| Publication Number | Publication Date |
|---|---|
| CN205080010U true CN205080010U (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520857830.6U Withdrawn - After Issue CN205080010U (en) | 2015-10-29 | 2015-10-29 | Xenogenesis steel welding process assesss and uses bending test device |
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| CN (1) | CN205080010U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203405A (en) * | 2015-10-29 | 2015-12-30 | 江苏中核利柏特股份有限公司 | Bending test device for dissimilar steel welding process evaluation |
| CN106053252A (en) * | 2016-08-04 | 2016-10-26 | 江苏科技大学 | Three-roller bending test apparatus with capability of detecting weld of sheet material |
| CN110346223A (en) * | 2019-07-03 | 2019-10-18 | 中国商用飞机有限责任公司 | A kind of shear-bending coupling experimental rig |
-
2015
- 2015-10-29 CN CN201520857830.6U patent/CN205080010U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203405A (en) * | 2015-10-29 | 2015-12-30 | 江苏中核利柏特股份有限公司 | Bending test device for dissimilar steel welding process evaluation |
| CN106053252A (en) * | 2016-08-04 | 2016-10-26 | 江苏科技大学 | Three-roller bending test apparatus with capability of detecting weld of sheet material |
| CN106053252B (en) * | 2016-08-04 | 2018-07-27 | 江苏科技大学 | A kind of three bending experimental rigs with detection plank Weld Performance |
| CN110346223A (en) * | 2019-07-03 | 2019-10-18 | 中国商用飞机有限责任公司 | A kind of shear-bending coupling experimental rig |
| CN110346223B (en) * | 2019-07-03 | 2021-08-10 | 中国商用飞机有限责任公司 | Bending shear coupling test device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Shanghai road Suzhou City, Jiangsu province 215611 Zhangjiagang Free Trade Zone No. 55 Jiangsu Libaite Limited by Share Ltd Patentee after: Jiangsu Libaite Limited by Share Ltd Address before: No. 55 Jiangsu road Suzhou city Shanghai Libaite Limited by Share Ltd in Jiangsu province 215634 Zhangjiagang Free Trade Zone Patentee before: Jiangsu China Nuclear Industry Libert Inc. |
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| CP03 | Change of name, title or address | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160309 Effective date of abandoning: 20180724 |
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| AV01 | Patent right actively abandoned |