CN216484401U - Rotary bending fatigue testing machine with environment box - Google Patents
Rotary bending fatigue testing machine with environment box Download PDFInfo
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- CN216484401U CN216484401U CN202122858631.5U CN202122858631U CN216484401U CN 216484401 U CN216484401 U CN 216484401U CN 202122858631 U CN202122858631 U CN 202122858631U CN 216484401 U CN216484401 U CN 216484401U
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- chuck
- bevel gear
- testing machine
- bending fatigue
- movable support
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Abstract
The utility model discloses a rotary bending fatigue testing machine with an environment box, wherein a movable support is provided with a left chuck and a left locking nut, a fixed bearing seat is provided with a right chuck and a right locking nut, a sample is clamped between the left chuck and the right chuck, the movable support is provided with a left force arm, the end part of the left force arm is provided with a threaded seat, the threaded seat is in internal thread transmission with a lead screw, the left side of the lead screw is driven by a force application motor, the right side of the lead screw is connected with a tension spring, the other end of the tension spring is connected with the right force arm, the end part of the right force arm extends inside the fixed bearing seat and is provided with a vertical shaft, the vertical shaft is provided with a first bevel gear, the first bevel gear is in meshing transmission with a second bevel gear, the second bevel gear is connected with the right chuck through a synchronous shaft, the base extends upwards and is provided with a protective shell, and the environment box for controlling the temperature inside the protective shell is arranged on the base. The utility model can not only conveniently change the temperature of the test environment, but also conveniently adjust the torque in the test.
Description
Technical Field
The utility model relates to the technical field of laboratory equipment for reliability of components, in particular to a rotary bending fatigue testing machine with an environmental chamber.
Background
In the prior art, a metal material needs to be subjected to a rotary bending fatigue test under a set environment temperature (room temperature and low temperature), wherein the rotary bending fatigue test is also called Nakamura test (Nakamura test), is a method for measuring the internal quality of the material, is mainly used for evaluating the cleanliness of the material, and can also be used for drawing an SN curve of the material to measure the fatigue limit of the material. The test is carried out until the sample fails or the preset stress cycle number is exceeded, and the conventional rotary bending fatigue testing machine is inconvenient for adjusting the torque and causing inconvenience to the test.
SUMMERY OF THE UTILITY MODEL
For solving prior art's shortcoming and not enough, provide a rotatory bending fatigue testing machine of taking environment case, both can conveniently change the temperature of experimental environment, can conveniently adjust the moment of torsion in the experiment again.
The utility model provides a rotary bending fatigue testing machine with an environment box, which comprises a frame and a base arranged on the frame, wherein a linear guide rail is arranged on the base, a movable support is arranged on the linear guide rail in a sliding manner, a left chuck and a left locking nut are arranged on the movable support, a driving motor is arranged on the movable support and is used for driving the left chuck, a fixed bearing seat is arranged at the other end of the linear guide rail corresponding to the movable support, a right chuck and a right locking nut are arranged on the fixed bearing seat, a sample is clamped between the left chuck and the right chuck, the sample is clamped by matching the left locking nut and the right locking nut with the left chuck and the right chuck respectively, a left force arm is arranged on the movable support, and a thread seat is arranged at the end part of the left force arm, the screw thread seat internal thread transmission has the lead screw, the left side of lead screw is by application of force motor drive, and the right side is connected with tension spring, tension spring's the other end and the right arm of force are connected, the tip of the right side arm of force is provided with the vertical axis at the inside extension of fixed bearing, be provided with first bevel gear on the vertical axis, first bevel gear meshing transmission has second bevel gear, second bevel gear passes through the synchronizing shaft and is connected with the right side chuck, the base upwards extends and is provided with the protective housing, it has the protection casing to articulate on the protective housing, the both ends of protection casing articulate there is flexible gas pole, be provided with the environment case that is used for controlling the inside temperature of protection casing on the base.
As a further improvement of the scheme, a mounting seat is arranged on the right side of the screw rod, a Y-shaped seat is arranged on the mounting seat in a rotating mode, a connecting plate is arranged in the Y-shaped seat, the outer end of the connecting plate is connected with a tension spring, a through hole is formed in the connecting plate, threaded holes are formed in the two side walls of the Y-shaped seat corresponding to the through hole, and a first locking rod is connected with the threaded holes in an internal thread mode.
As a further improvement of the above scheme, the other end of the screw rod is sleeved with a sleeve, the other end of the screw rod is fixedly connected with the mounting seat, the side wall of the sleeve is provided with a transverse sliding groove communicated with the outside, the screw rod is provided with a sliding block in the sleeve, a second locking rod is arranged in the transverse sliding groove in a sliding manner, and the sliding block is fixed in the sleeve through the second locking rod.
As a further improvement of the scheme, the fixed bearing seat is provided with the anti-rotation frame, the anti-rotation frame is provided with a limiting hole, the fixed bearing seat and the right chuck are provided with anti-rotation holes corresponding to the limiting hole, and anti-rotation bolts are inserted into the limiting hole and the anti-rotation holes.
As a further improvement of the scheme, the protective cover is made of transparent plastic materials.
The utility model has the beneficial effects that:
compared with the prior art, the rotary bending fatigue testing machine with the environment box, provided by the utility model, has the advantages that when the machine is used, the force application motor works to drive the screw rod to rotate, so that the screw rod is fed relative to the thread of the thread seat to adjust the deformation quantity of the tension spring, further the tension on the right force arm is adjusted, the tension on the right force arm is transmitted downwards through the vertical shaft, the force is transmitted to the right chuck through the first bevel gear, the second bevel gear and the synchronous shaft to be converted into torque, in addition, the environment box used for controlling the internal temperature of the protective cover is arranged on the base, and the rotary bending fatigue testing machine can be used for carrying out rotary bending fatigue testing on metal materials under the set environment temperature (room temperature and low temperature). The rotary bending fatigue testing machine with the environment box provided by the utility model can conveniently change the temperature of the testing environment and can conveniently adjust the torque in the test.
Drawings
The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings, in which:
FIG. 1 is a schematic view of the present invention (not shown with the shield and the telescopic air rod);
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a partially enlarged view of B of fig. 1.
Detailed Description
As shown in fig. 1-3, the utility model provides a rotary bending fatigue testing machine with an environmental chamber, which comprises a frame 1 and a base 2 arranged on the frame 1, wherein a linear guide rail 3 is arranged on the base 2, a movable support 4 is arranged on the linear guide rail 3 in a sliding manner, a left chuck 5 and a left lock nut 6 are arranged on the movable support 4, a driving motor 7 is arranged on the movable support 4, the driving motor 7 is used for driving the left chuck 5, a fixed bearing seat 8 is arranged at the other end of the linear guide rail 3 corresponding to the movable support 4, a right chuck and a right lock nut 10 are arranged on the fixed bearing seat 8, a sample 11 is clamped between the left chuck 5 and the right chuck, the sample 11 is clamped by the cooperation of the left lock nut 6 and the right lock nut 10 with the left chuck 5 and the right chuck respectively, a left force arm 12 is arranged on the movable support 4, a threaded seat 13 is arranged at the end of the left force arm 12, screw thread seat 13 internal thread transmission has lead screw 14, the left side of lead screw 14 is driven by application of force motor 15, the right side is connected with tension spring 16, tension spring 16's the other end and the right arm of force 17 are connected, the tip of the right arm of force 17 is provided with the vertical axis at the inside extension of fixed bearing frame 8, be provided with first bevel gear on the vertical axis, first bevel gear meshing transmission has second bevel gear, second bevel gear passes through the synchronizing shaft and is connected with the right side chuck, base 2 upwards extends and is provided with the protective housing, it has the protection casing to articulate on the protective housing, the protection casing sets up to the transparent plastic material. The both ends of protection casing are articulated to have flexible gas pole, are provided with the environment case 19 that is used for controlling the inside temperature of protection casing on the base 2.
Further improve, the other end cover of lead screw 14 is equipped with sleeve 24, sleeve 24's the other end and mount pad 20 fixed connection, rotate on the mount pad 20 and be provided with Y type seat 21, be provided with connecting plate 22 in the Y type seat 21, the outer end and the tension spring 16 of connecting plate 22 are connected, are provided with the through-hole on the connecting plate 22, and the both sides wall of Y type seat 21 corresponds the through-hole and is provided with the screw hole, and screw hole female connection has first locking lever 23. The side wall of the sleeve 24 is provided with a transverse sliding groove 25 communicated with the outside, the screw rod 14 is provided with a sliding block in the sleeve 24, the transverse sliding groove 25 is provided with a second locking rod 26 in a sliding manner, and the sliding block is fixed in the sleeve 24 through the second locking rod 26. When the torque adjusting device is used, the second locking rod 26 can be loosened, the position of the sliding block in the sleeve 24 can be adjusted, the total length of the screw rod 14 and the sleeve 24 can be adjusted, namely the distance between the mounting seat 20 and the tension spring 16 is adjusted, namely the elongation of the tension spring 16 is adjusted, and the torque adjustment in a larger range is realized relative to the transmission of the screw rod 14.
The improvement is further that a rotation preventing frame 27 is arranged on the fixed bearing seat 8, a limiting hole is formed in the rotation preventing frame 27, rotation preventing holes are formed in the fixed bearing seat 8 and the right chuck correspondingly to the limiting hole, a rotation preventing bolt 28 is inserted into the limiting hole and the rotation preventing hole, and the rotation preventing bolt 28 penetrates through the limiting hole and the rotation preventing hole to prevent the rotation of the right chuck relative to the fixed bearing seat 8.
The above embodiments are not limited to the technical solutions of the embodiments themselves, and the embodiments may be combined with each other into a new embodiment. The above embodiments are only for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement without departing from the spirit and scope of the present invention should be covered within the technical solutions of the present invention.
Claims (5)
1. The utility model provides a take rotatory bending fatigue testing machine of environment case which characterized in that: the test device comprises a rack and a base arranged on the rack, wherein a linear guide rail is arranged on the base, a movable support is arranged on the linear guide rail in a sliding manner, a left chuck and a left locking nut are arranged on the movable support, a driving motor is arranged on the movable support and used for driving the left chuck, the other end of the linear guide rail is provided with a fixed bearing seat corresponding to the movable support, a right chuck and a right locking nut are arranged on the fixed bearing seat, a test sample is clamped between the left chuck and the right chuck, the test sample is clamped through the matching of the left locking nut and the right locking nut with the left chuck and the right chuck respectively, a left force arm is arranged on the movable support, a thread seat is arranged at the end part of the left force arm, a screw rod is arranged in the thread seat in a transmission manner, and the left side of the screw rod is driven by a force application motor, the right side is connected with tension spring, tension spring's the other end and the right arm of force are connected, the tip of the right side arm of force is provided with the vertical axis at the inside extension of fixed bearing frame, be provided with first bevel gear on the vertical axis, first bevel gear meshing transmission has second bevel gear, second bevel gear passes through the synchronizing shaft and is connected with the right side chuck, the base upwards extends and is provided with the protective housing, it has the protection casing to articulate on the protective housing, the both ends of protection casing articulate there is flexible gas pole, be provided with the environment case that is used for controlling the inside temperature of protection casing on the base.
2. The rotary bending fatigue testing machine with the environmental box according to claim 1, characterized in that: the right side of lead screw is provided with the mount pad, it is provided with Y type seat to rotate on the mount pad, be provided with the connecting plate in the Y type seat, the outer end and the tension spring of connecting plate are connected, be provided with the through-hole on the connecting plate, the both sides wall of Y type seat corresponds the through-hole is provided with the screw hole, screw hole female connection has first locking lever.
3. The rotary bending fatigue testing machine with the environmental box according to claim 2, characterized in that: the other end cover of lead screw is equipped with the sleeve, telescopic other end and mount pad fixed connection, telescopic lateral wall is provided with the horizontal spout with outside intercommunication, the lead screw is provided with the sliding block in telescopic inside, it is provided with the second check lock pole to slide in the horizontal spout, fixes the sliding block inside the sleeve through the second check lock pole.
4. The rotary bending fatigue testing machine with the environmental box according to claim 1, characterized in that: the fixed bearing seat is provided with a rotation stopping frame, the rotation stopping frame is provided with a limiting hole, the fixed bearing seat and the right chuck are provided with rotation preventing holes corresponding to the limiting hole, and rotation preventing bolts are inserted into the limiting holes and the rotation preventing holes.
5. The rotary bending fatigue testing machine with the environmental box according to claim 1, characterized in that: the protective cover is made of transparent plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122858631.5U CN216484401U (en) | 2021-11-20 | 2021-11-20 | Rotary bending fatigue testing machine with environment box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122858631.5U CN216484401U (en) | 2021-11-20 | 2021-11-20 | Rotary bending fatigue testing machine with environment box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216484401U true CN216484401U (en) | 2022-05-10 |
Family
ID=81398302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122858631.5U Active CN216484401U (en) | 2021-11-20 | 2021-11-20 | Rotary bending fatigue testing machine with environment box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216484401U (en) |
-
2021
- 2021-11-20 CN CN202122858631.5U patent/CN216484401U/en active Active
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