CN218865688U - Thermal gradient mechanical fatigue tensile testing machine - Google Patents
Thermal gradient mechanical fatigue tensile testing machine Download PDFInfo
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- CN218865688U CN218865688U CN202223046154.3U CN202223046154U CN218865688U CN 218865688 U CN218865688 U CN 218865688U CN 202223046154 U CN202223046154 U CN 202223046154U CN 218865688 U CN218865688 U CN 218865688U
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Abstract
The utility model discloses a thermal gradient mechanical fatigue tensile testing machine, including switch board and stretcher, set up three-dimensional regulation platform on the switch board, set up high frequency heater on the three-dimensional regulation platform, set up high frequency inductor on the high frequency heater, the stretcher includes tensile frame and tensile base, sets up tensile holder on the tensile base, sets up tensile clamping bar on the tensile frame, tensile clamping bar and tensile frame fixed connection, tensile clamping bar is corresponding with tensile holder, high frequency inductor is corresponding with tensile holder, the utility model discloses a position of high frequency inductor is adjusted to three-dimensional regulation platform, makes the distance of each position between high frequency inductor and the material test work piece the same, and then makes the heating of material test work piece all directions even, and the experimental precision of thermal gradient is higher, and the effectual fixed of solving current heated test work piece, when the heating position deviation appears, unable adjustment in time, to the handle accuse etc. of heating region all more troublesome problem, has certain use value and spreading value.
Description
Technical Field
The utility model relates to the field of machinary, especially, relate to a thermal gradient mechanical fatigue tensile testing machine.
Background
At present, in the industry fields of aircraft engines, internal combustion engines, steam engines, rockets and the like, a thermal gradient mechanical fatigue test is a test closest to the real working condition of parts in a laboratory, the mechanical load, the temperature cycle and the internal cooling of a test piece need to be controlled simultaneously, and the tests which can be completed by a material high-temperature testing machine comprise an isothermal fatigue test and a thermal mechanical fatigue test. The heating mode of the high-temperature fatigue test is mainly a resistance heating furnace, the resistance heating furnace is low in heating speed and power and difficult to realize rapid temperature rise and temperature reduction, and the resistance heating mode is insufficient for the research on the performance of high-temperature and ultra-high-temperature materials. In addition, the thermal radiation heating furnace is adopted, the heating speed is relatively high, compared with resistance heating, but the heating object is not convenient to observe, the fixation and the flexibility of the heated object are realized, the installation problem of the radiation furnace is solved, the heating uniformity, the control of a heating area and the like are troublesome, the thermal gradient mechanical fatigue test can be considered as the expansion of the thermal mechanical fatigue test, and the thermal gradient mechanical fatigue test = the thermal mechanical fatigue test + internal cooling. The technology can adopt flame heating and heat radiation furnace heating at present. The disadvantage of flame heating is that the temperature of different positions of the flame is not uniform, stable temperature control cannot be realized, and once the combustion source cannot burn sufficiently, a layer of carbon soot which is not completely burned is covered on the heated object, which affects the observation of the heated object by experimenters.
In summary, a thermal gradient mechanical fatigue tensile testing machine is needed to solve the disadvantages of the prior art.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a thermal gradient mechanical fatigue tensile testing machine aims at solving above-mentioned problem.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a thermal gradient machinery fatigue tensile test machine, includes switch board and stretcher, set up three-dimensional regulation platform on the switch board, set up high frequency heater on the three-dimensional regulation platform, high frequency heater can dismantle with three-dimensional regulation platform and be connected, the last high frequency inductor that sets up of high frequency heater, high frequency inductor and high frequency heater fixed connection, the stretcher is including tensile frame and tensile base, set up tensile holder on the tensile base, tensile holder and tensile base fixed connection, set up tensile clamping bar on the tensile frame, tensile clamping bar and tensile frame fixed connection, tensile clamping bar is corresponding with tensile holder, high frequency inductor is corresponding with tensile holder. When the device is used, the position of the high-frequency inductor is adjusted through the three-dimensional adjusting platform, the high-frequency inductor is lifted, one end of a material test workpiece is clamped through the stretching clamping seat on the stretching base, the height position of the high-frequency inductor is adjusted through the three-dimensional adjusting platform, the high-frequency inductor is aligned with the heating position of the material test workpiece, the stretching frame is lowered again, the stretching clamping rod is lowered, the other end of the material test workpiece is clamped through the stretching clamping rod on the stretching frame, the material test workpiece is clamped and fixed at the moment, the position of the high-frequency inductor is adjusted through the three-dimensional adjusting platform, the distances from the high-frequency inductor to the material test workpiece in all directions are the same, and finally, the high-frequency heater is controlled to be powered on or powered off through the control cabinet, so that the thermal gradient fatigue tensile test of the material test workpiece is achieved.
Optionally, the stretching clamping seat comprises a fixed base, a clamping sleeve is arranged on the fixed base, a rotating sleeve is arranged outside the clamping sleeve, a clamping head is arranged in the clamping sleeve, and the rotating sleeve rotates to drive the clamping head in the clamping sleeve to be clamped or loosened. The fixed base is fixed together with the stretching base, and the rotating sleeve rotates clockwise or anticlockwise to drive the clamping head in the clamping sleeve to clamp or loosen, so that the material test workpiece is clamped and released.
Optionally, the stretching frame comprises a stretching support rod and a stretching transverse seat, the lower portion of the stretching support rod is movably connected with the stretching base, and the upper portion of the stretching support rod is fixedly connected with the stretching transverse seat. The stretching clamping rod is fixed on the stretching transverse seat, the stretching support rod moves up and down to drive the stretching clamping rod to move up and down, and then stretching of the material test workpiece or clamping and dismounting after testing of the material test workpiece are achieved.
Optionally, the three-dimensional adjusting platform comprises a vertical moving seat, a vertical moving rod is arranged below the vertical moving seat, the vertical moving rod is fixedly connected with the vertical moving seat, a transverse moving seat is arranged on the vertical moving seat, the transverse moving seat is movably connected with the vertical moving seat through a transverse moving mechanism, a longitudinal moving mechanism is arranged on the transverse moving seat, and the high-frequency heater is fixedly connected with the longitudinal moving mechanism. When testing, the high frequency inductor cover is outside the experimental work piece of material, according to the position that the experimental work piece of material needs the heating, vertical relative position of high frequency inductor and the experimental work piece of material can be adjusted through the vertical carriage release lever of vertical removal seat below, thereby make the high frequency inductor correspond with the vertical position that needs the heating, the position of rethread lateral shifting seat is adjusted to the rethread lateral shifting mechanism, and then adjust the horizontal relative position of high frequency inductor and the experimental work piece of material, adjust the vertical relative position of high frequency inductor and the experimental work piece of material through longitudinal movement mechanism at last, make the distance of each position between high frequency inductor and the experimental work piece of material the same, and then make the experimental work piece of material all directions of heating even, the experimental precision of thermal gradient is higher.
Optionally, a moving auxiliary rod is further arranged below the vertical moving seat, the moving auxiliary rod is fixedly connected with the vertical moving seat, and the moving auxiliary rod is arranged on the periphery of the vertical moving rod. The moving auxiliary rods are four and are respectively arranged at four corner positions of the vertical moving seat, the distances between the four moving auxiliary rods and the vertical moving rod are the same, and through the support of the moving auxiliary rods, the shaking of the vertical moving base can be effectively reduced, so that the fixation of the position of the high-frequency inductor is ensured, and the high-frequency induction position is prevented from moving when the test is carried out.
Optionally, the transverse moving mechanism includes a transverse moving guide rail, a transverse moving motor and a transverse moving lead screw, the transverse moving guide rail is fixedly connected with the vertical moving seat, the transverse moving lead screw is fixedly connected with the transverse moving motor, the transverse moving motor is fixedly connected with the vertical moving seat, and the transverse moving lead screw is movably connected with the transverse moving seat. The transverse moving motor rotates to drive the transverse moving screw rod to rotate, the transverse moving screw rod rotates to drive the transverse moving seat to reciprocate, and then the transverse relative position of the high-frequency inductor and the material test workpiece is adjusted.
Optionally, the longitudinal moving mechanism includes a longitudinal moving motor, a longitudinal moving screw rod and a longitudinal moving guide seat, the longitudinal moving screw rod is fixedly connected with the longitudinal moving motor, the longitudinal moving screw rod is arranged in the longitudinal moving guide seat, and the high-frequency heater is connected with the longitudinal moving screw rod. The longitudinal moving motor rotates to drive the longitudinal moving screw rod to rotate, the longitudinal moving screw rod rotates to drive the high-frequency heater to longitudinally reciprocate, and finally the high-frequency inductor is driven to longitudinally move, so that the longitudinal relative position of the high-frequency inductor and the material test workpiece can be adjusted.
Optionally, supporting legs are respectively arranged below the control cabinet and the stretching machine, and the supporting legs are fixedly connected with the control cabinet and the stretching machine. The supporting legs play a supporting role, and the control cabinet and the stretcher are convenient to carry.
The utility model has the advantages that:
1. in the utility model, the relative position of the high-frequency inductor and the material test workpiece is adjusted through the three-dimensional adjusting platform, so that the distance between each position of the high-frequency inductor and the material test workpiece is the same, the material test workpiece is uniformly heated in each direction, the precision of the thermal gradient test is higher, and the problems that the existing heated test workpiece is fixed, the heating position cannot be adjusted in time when deviation occurs, and the control of the heating area is troublesome are effectively solved;
2. the utility model discloses in, the sliding pair pole has four, sets up respectively in four corner positions of vertical removal seat to the distance between four sliding pair poles and the vertical carriage release lever is the same, through the support of sliding pair pole, can effectually reduce rocking of vertical removal base, and then guarantees the fixed of high frequency inductor position, prevents the removal of high frequency induction position when testing, has certain use value and spreading value.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of the present invention.
Fig. 2 is a schematic perspective view of the drawing machine.
Fig. 3 is a schematic perspective view of the tension holder.
Fig. 4 is a schematic perspective view of the control cabinet.
Fig. 5 is a schematic structural diagram of a three-dimensional adjusting platform.
FIG. 6 is another schematic structural diagram of a three-dimensional adjustment platform
In the figure: 1. a control cabinet; 2. a stretcher; 3. a three-dimensional adjusting platform; 4. a high-frequency heater; 5. a high frequency inductor; 6. stretching the clamping rod; 7. supporting legs; 12. a vertical moving seat; 13. a vertical travel bar; 14. a transverse moving seat; 17. a moving sub-rod; 121. a lateral movement guide rail; 122. a transverse moving motor; 123. transversely moving the screw rod; 124. a motor fixing plate; 125. a screw fixing plate; 141. a longitudinal movement motor; 142. longitudinally moving the screw rod; 143. longitudinally moving the guide seat; 21. stretching the base; 22. a stretching frame; 23. stretching the clamping seat; 24. stretching the supporting seat; 25. stretching the transverse seat; 231. a fixed base; 232. a rotating sleeve; 233. adding a sleeve; 234. a clamping head.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5, a thermal gradient mechanical fatigue tensile testing machine includes a control cabinet 1 and a stretching machine 2, a three-dimensional adjusting platform 3 is disposed on the control cabinet 1, a high-frequency heater 4 is disposed on the three-dimensional adjusting platform 3, the high-frequency heater 4 is detachably connected to the three-dimensional adjusting platform 3, a high-frequency inductor 5 is disposed on the high-frequency heater 4, the high-frequency inductor 5 is fixedly connected to the high-frequency heater 4, the stretching machine 2 includes a stretching frame 22 and a stretching base 21, a stretching holder 23 is disposed on the stretching base 21, the stretching holder 23 is fixedly connected to the stretching base 21, a stretching holder 6 is disposed on the stretching frame 22, the stretching holder 6 is fixedly connected to the stretching frame 22, the stretching holder 6 corresponds to the stretching holder 23, the high-frequency inductor 4 corresponds to the stretching holder 23, the stretching holder 23 includes a fixing base 231, a clamping sleeve 233 is disposed outside the fixing base 231, a rotating sleeve 233232 is disposed on the clamping sleeve 233233, a clamping sleeve 234 is disposed in the clamping sleeve 233, the rotating sleeve 232 drives a stretching holder 234 or a stretching holder 24 is movably connected to a stretching holder 24, and a transverse holder 24 is movably connected to a transverse holder 24.
The three-dimensional adjusting platform 3 comprises a vertical moving seat 12, a vertical moving rod 13 is arranged below the vertical moving seat 12, the vertical moving rod 13 is fixedly connected with the vertical moving seat 12, a transverse moving seat 14 is arranged on the vertical moving seat 12, the transverse moving seat 14 is movably connected with the vertical moving seat 12 through a transverse moving mechanism, a longitudinal moving mechanism is arranged on the transverse moving seat 14, a high-frequency heater 4 is fixedly connected with the longitudinal moving mechanism, a moving auxiliary rod 17 is further arranged below the vertical moving seat 12, the moving auxiliary rod 17 is fixedly connected with the vertical moving seat 12, the moving auxiliary rod 17 is arranged on the periphery of the vertical moving rod, the transverse moving mechanism comprises a transverse moving guide rail 121, a transverse moving motor 122 and a transverse moving lead screw 123, the transverse moving guide rail 121 is fixedly connected with the vertical moving seat 12, the transverse moving lead screw 123 is fixedly connected with the transverse moving motor 122, the transverse moving motor 122 is fixedly connected with the vertical moving seat 12, the transverse moving lead screw 123 is movably connected with the transverse moving seat 14, the longitudinal moving mechanism comprises a longitudinal moving motor 141, a longitudinal moving guide 142 and a longitudinal moving guide base 143, the longitudinal moving motor 142 is fixedly connected with a longitudinal moving guide screw 142, a support leg moving control cabinet 7 and a high-frequency heater control cabinet 2 are respectively arranged below the support leg moving control cabinet 7.
The utility model discloses during the use, adjust the position of high frequency inductor through three-dimensional regulation platform, make the high frequency inductor rise, the one end of material test work piece is cliied to tensile holder on through tensile base, the high position of high frequency inductor is adjusted to rethread three-dimensional regulation platform, make the high frequency inductor align with the heating position of material test work piece, once more through reducing tensile frame, and then reduce tensile clamping bar, the other end of material test work piece is cliied to tensile clamping bar on through tensile frame, material test work piece is fixed by the centre gripping this moment, adjust the position of high frequency inductor through three-dimensional regulation platform, it is the same from the distance of material test work piece all directions to make the high frequency inductor, last through the switch board, control high frequency heater is to high frequency inductor circular telegram or outage, realize the thermal gradient fatigue tensile test of material test work piece, the effectual current fixed by the heating test work piece of having solved, when the heating position deviation appears, can't in time adjust, the problem of the heating region comparison trouble is all compared to the right.
Unable adjustment base is together fixed with tensile base, and the swivel housing is in the same place in the same time or rotates in the reverse time, drives to add and holds the head clamp tightly or loosen in the cover, realizes the centre gripping and the release to the experimental work piece of material, and tensile clamping bar is fixed on tensile horizontal seat, and reciprocating of tensile bracing piece drives reciprocating of tensile clamping bar, and then realizes pulling of the experimental work piece of material or pulling down after the centre gripping of the experimental work piece of material and experiment, and the high frequency inductor specifically adjusts to be: the high frequency inductor cover is outside at the experimental work piece of material, according to the position that the experimental work piece of material needs the heating, vertical relative position of high frequency inductor and the experimental work piece of material can be adjusted through the vertical carriage release lever of vertical removal seat below, thereby make the high frequency inductor correspond with the vertical position that needs the heating, the position of horizontal removal seat is adjusted to rethread horizontal shifting mechanism, and then adjust the horizontal relative position of high frequency inductor and the experimental work piece of material, adjust the vertical relative position of high frequency inductor and the experimental work piece of material through vertical shifting mechanism at last, make the distance of each position between high frequency inductor and the experimental work piece of material the same, and then make the heating of the experimental work piece all directions of material even, the experimental precision of thermal gradient is higher.
The four movable auxiliary rods are respectively arranged at four corner positions of the vertical movable seat, the distances between the four movable auxiliary rods and the vertical movable rod are the same, through the support of the movable auxiliary rods, the shaking of the vertical movable base can be effectively reduced, the fixation of the position of the high-frequency inductor is further ensured, the movement of a high-frequency induction position during testing is prevented, the transverse moving motor rotates to drive the transverse moving screw rod to rotate, the transverse moving screw rod rotates to drive the transverse movable seat to reciprocate, the transverse relative position of the high-frequency inductor and a material test workpiece is further adjusted, the longitudinal moving motor rotates to drive the longitudinal moving screw rod to rotate, the longitudinal moving screw rod rotates to drive the longitudinal reciprocating movement of the high-frequency heater, and finally the high-frequency inductor is driven to longitudinally move, so that the longitudinal relative position of the high-frequency inductor and the material test workpiece can be adjusted, the supporting legs play a supporting role, and the carrying of a control cabinet and a stretcher is facilitated.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention, which is intended to cover any modifications, equivalent substitutions or improvements made within the spirit and scope of the present invention.
Claims (8)
1. The utility model provides a thermal gradient mechanical fatigue tensile testing machine, its characterized in that, includes switch board and stretcher, set up three-dimensional regulation platform on the switch board, set up high frequency heater on the three-dimensional regulation platform, high frequency heater can dismantle with three-dimensional regulation platform and be connected, the last high frequency inductor that sets up of high frequency heater, high frequency inductor and high frequency heater fixed connection, the stretcher is including tensile frame and tensile base, set up tensile holder on the tensile base, tensile holder and tensile base fixed connection, set up tensile clamping bar on the tensile frame, tensile clamping bar and tensile frame fixed connection, tensile clamping bar is corresponding with tensile holder, high frequency inductor is corresponding with tensile holder.
2. The thermal gradient mechanical fatigue and tensile testing machine according to claim 1, wherein the tensile clamping seat comprises a fixed base, a clamping sleeve is arranged on the fixed base, a rotating sleeve is arranged outside the clamping sleeve, a clamping head is arranged in the clamping sleeve, and the rotating sleeve rotates to drive the clamping head in the clamping sleeve to clamp or loosen.
3. The thermal gradient mechanical fatigue tensile testing machine of claim 1, wherein the stretching frame comprises a stretching support rod and a stretching cross seat, the lower part of the stretching support rod is movably connected with the stretching base, and the upper part of the stretching support rod is fixedly connected with the stretching cross seat.
4. The thermal gradient mechanical fatigue and tensile testing machine according to claim 1, wherein the three-dimensional adjustment platform comprises a vertical moving seat, a vertical moving rod is arranged below the vertical moving seat, the vertical moving rod is fixedly connected with the vertical moving seat, a transverse moving seat is arranged on the vertical moving seat, the transverse moving seat is movably connected with the vertical moving seat through a transverse moving mechanism, a longitudinal moving mechanism is arranged on the transverse moving seat, and the high-frequency heater is fixedly connected with the longitudinal moving mechanism.
5. The thermal gradient mechanical fatigue and tensile testing machine according to claim 4, wherein a moving auxiliary rod is further arranged below the vertical moving seat, the moving auxiliary rod is fixedly connected with the vertical moving seat, and the moving auxiliary rod is arranged on the periphery of the vertical moving rod.
6. The thermal gradient mechanical fatigue and tensile testing machine according to claim 4, wherein the lateral movement mechanism comprises a lateral movement guide rail, a lateral movement motor and a lateral movement screw rod, the lateral movement guide rail is fixedly connected with the vertical movement seat, the lateral movement screw rod is fixedly connected with the lateral movement motor, the lateral movement motor is fixedly connected with the vertical movement seat, and the lateral movement screw rod is movably connected with the lateral movement seat.
7. The thermal gradient mechanical fatigue and tensile testing machine according to claim 4, wherein the longitudinal moving mechanism comprises a longitudinal moving motor, a longitudinal moving screw rod and a longitudinal moving guide seat, the longitudinal moving screw rod is fixedly connected with the longitudinal moving motor, the longitudinal moving screw rod is arranged in the longitudinal moving guide seat, and the high-frequency heater is connected with the longitudinal moving screw rod.
8. The thermal gradient mechanical fatigue tensile testing machine according to any one of claims 1 to 7, wherein support legs are respectively arranged below the control cabinet and the stretching machine, and the support legs are fixedly connected with the control cabinet and the stretching machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223046154.3U CN218865688U (en) | 2022-11-16 | 2022-11-16 | Thermal gradient mechanical fatigue tensile testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223046154.3U CN218865688U (en) | 2022-11-16 | 2022-11-16 | Thermal gradient mechanical fatigue tensile testing machine |
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| Publication Number | Publication Date |
|---|---|
| CN218865688U true CN218865688U (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223046154.3U Active CN218865688U (en) | 2022-11-16 | 2022-11-16 | Thermal gradient mechanical fatigue tensile testing machine |
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| CN (1) | CN218865688U (en) |
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- 2022-11-16 CN CN202223046154.3U patent/CN218865688U/en active Active
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