Diffraction residual stress meter

Abstract

The utility model discloses a diffraction residual stress meter, which comprises a detection head, a lifting mechanism arranged on one side of the detection head, and an adjusting mechanism arranged on one side of the lifting mechanism, the adjusting mechanism comprises a shell, a first gear, a second gear and a transmission assembly, wherein the first gear and the second gear are arranged on one side of the shell, and the transmission assembly is arranged at the axis of the second gear. By changing the relative position between the fixed part and the movable part in the transmission assembly, two transmission states are realized: one state is that the movable part is far away from the fixed part, that is, the rotating disc is separated from the movable part, and the movable part is in butt joint with the connecting part, so that the angle of the detection head is adjusted through driving of the first servo motor; the movable part is close to the fixed part, the movable part is separated from the connecting part, and the rotating disc is connected with the movable part, so that the angle of the detection head is adjusted by shifting the rotating disc. The device is suitable for more use scenes, and the position cannot be changed when the angle of the detection head is adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to stress test technical field especially relates to a diffraction residual stress appearance. BACKGROUND

[0002] Residual stress is the self-equilibrium internal stress that remains in the object after the action of external force or uneven temperature field. Both mechanical processing and strengthening process can cause residual stress.

[0003] The prior art CN216012554U discloses an X-ray diffraction residual stress appearance, which comprises a detector, and further comprises: a lifting device, which is arranged at the end of the detector; an adjusting device, which is arranged at the end of the lifting device, the lifting device comprises a moving rod, the moving rod is fixed to the outer surface of the detector, the end of the moving rod is fixedly connected with a screw sleeve, the middle part of the screw sleeve is threadedly connected with a screw rod, the top of the screw rod is fixedly connected with a first motor, the outer surface of the first motor is provided with a mounting frame, the adjusting device comprises a fixed rod, the fixed rod is fixedly installed at the end of the mounting frame, the end of the fixed rod is fixedly connected with a first gear, the outer surface of the first gear is meshedly connected with a gear strip, the outer surface of the gear strip is fixedly connected with a fixed disc, which facilitates the adjustment of the position of the detector.

[0004] However, the prior art has the following problems:

[0005] When the adjusting mechanism is running, that is, when the first gear rotates circumferentially around the second gear, the angle of the detector can be changed. However, since the first gear rotates circumferentially around the second gear while rotating, the position of the detector also changes.

[0006] Therefore, it is necessary to provide a diffraction residual stress appearance to solve the above technical problems. SUMMARY

[0007] The utility model overcomes the insufficient prior art and provides a diffraction residual stress appearance.

[0008] To achieve the above purpose, the utility model adopts the technical scheme of: a diffraction residual stress appearance, comprising: a detection head, a lifting mechanism arranged on one side of the detection head, and an adjusting mechanism arranged on one side of the lifting mechanism.

[0009] The adjusting mechanism comprises: a housing, a first gear and a second gear arranged on one side of the housing, and a transmission assembly arranged at the axis of the second gear.

[0010] The first gear and the second gear are meshedly connected, and a fixed rod is arranged at the axis of the first gear, and the other end of the fixed rod is connected with the lifting mechanism.

[0011] The first servo motor is arranged in the shell, and an output end of the first servo motor is detachably connected with the transmission assembly.

[0012] A rotating groove is formed in the surface of the shell, and a rotating disc is arranged in the rotating groove.

[0013] In a preferred embodiment of the utility model, the lifting mechanism comprises a frame, a screw rod arranged in the frame, and a screw sleeve arranged on the screw rod; a second servo motor is arranged in the frame, and an output end of the second servo motor is fixedly connected with the screw rod; one end of the frame is fixedly connected with the fixed rod; and the outer surface of the screw sleeve is fixedly connected with the detection head.

[0014] In a preferred embodiment of the utility model, the outer surface of the screw sleeve is slidably connected with the inner wall of the frame.

[0015] In a preferred embodiment of the utility model, the first gear and the second gear are both rotatably connected with the outer surface of the shell.

[0016] In a preferred embodiment of the utility model, the transmission assembly comprises a fixed part, a movable part sleeved at the end of the fixed part, and a connecting part sleeved at the end of the movable part; one end of the fixed part penetrates through the shell and is fixedly connected with the second gear; the outer surface of the movable part is provided with a pull rod, and the outer end of the pull rod penetrates through the shell and is used for adjusting the position of the movable part on the fixed part; and the other end of the connecting part is fixedly connected with the output shaft of the first servo motor.

[0017] In a preferred embodiment of the utility model, the end of the fixed part, which is away from the second gear, is polygonal in cross section, and the end surface of the movable part is provided with a first movable groove matched therewith.

[0018] In a preferred embodiment of the utility model, the end of the movable part, which faces the connecting part, is polygonal in cross section, and the end surface of the connecting part is provided with a second movable groove matched therewith.

[0019] In a preferred embodiment of the utility model, the depth of the first movable groove is greater than that of the second movable groove.

[0020] In a preferred embodiment of the utility model, the rotating disc is sleeved at the outer surface of the movable part, the inner ring of the rotating disc is polygonal in shape, and the outer cross section of the movable part is matched with the shape of the inner ring of the rotating disc.

[0021] In a preferred embodiment of the utility model, the outer edge of the rotating disc is provided with a plurality of protrusions.

[0022] The utility model solves the defects in the prior art, and has the following beneficial effects:

[0023] (1) the utility model provides a kind of diffraction residual stress instrument, by the relative position between fixed part and movable part in change transmission component, realize two kinds of transmission state: one is movable part away from fixed part, i.e. BRIEF DESCRIPTION OF DRAWINGS

[0024] The utility model is further described below in connection with drawings and examples;

[0025] Figure 1 It is the stereogram of preferred embodiment of the utility model;

[0026] Figure 2 It is the lifting mechanism structure diagram of preferred embodiment of the utility model;

[0027] Figure 3 It is the adjusting mechanism structure diagram of preferred embodiment of the utility model;

[0028] Figure 4 It is the fixed part structure diagram of preferred embodiment of the utility model;

[0029] Figure 5 It is the movable part structure diagram of preferred embodiment of the utility model;

[0030] Figure 6 It is the connecting part structure diagram of preferred embodiment of the utility model.

[0031] In the drawing: 1, detection head;2, lifting mechanism;21, frame body;22, screw;23, screw sleeve;3, adjusting mechanism;31, shell;32, first gear;33, second gear;34, transmission assembly;341, fixed part;342, movable part;343, connecting part;344, first movable slot;345, second movable slot;35, fixed rod;36, rotating groove;37, rotating disc;371, protrusion. DETAILED DESCRIPTION

[0032] The utility model is further described below in connection with drawings and examples;

[0033] As Figure 1As shown in the figure, a kind of diffraction residual stress instrument, including: detection head 1, lifting mechanism 2 arranged in one side of detection head 1, and adjusting mechanism 3 arranged in one side of lifting mechanism 2;Adjusting mechanism 3 includes: shell 31, first gear 32 and second gear 33 arranged in one side of shell 31, transmission assembly 34 arranged at the axis of second gear 33;First gear 32 and second gear 33 are engagedly connected, and the axis of first gear 32 is provided with fixed rod 35, and the other end of fixed rod 35 is connected with lifting mechanism 2;First servo motor is also provided in shell 31, and the output end of first servo motor is detachably connected with transmission assembly 34;Rotary groove 36 is formed in the surface of shell 31, and rotary disc 37 is arranged in rotary groove 36, and rotary disc 37 is detachably connected with transmission assembly 34.

[0034] As shown in the figure, Figure 2 Lifting mechanism 2 includes: frame 21, screw 22 arranged in frame 21, and screw sleeve 23 arranged on screw 22;Second servo motor is arranged in frame 21, and the output end of second servo motor is fixedly connected with screw 22;Frame 21 is fixedly connected with one end of fixed rod 35;The outer surface of screw sleeve 23 is fixedly connected with detection head 1;The outer surface of screw sleeve 23 is slidably connected with the inner wall of frame 21.

[0035] In use, according to the position of detection head 1, the second servo motor is controlled to start, driving screw 22 to rotate, and the inside of screw sleeve 23 is threadedly connected with screw 22, and the rotation of screw 22 drives screw sleeve 23 to move axially along screw 22, that is, drives detection head 1 to lift to appropriate height.

[0036] The first gear 32 and the second gear 33 in the embodiment are rotatably connected with the outer surface of the shell 31 by the rolling bearing.

[0037] As shown in the figure, Figure 3 Transmission assembly 34 includes: fixed part 341, movable part 342 sleeved on the end of fixed part 341, and connecting part 343 sleeved on the end of movable part 342;One end of fixed part 341 passes through shell 31 and is fixedly connected with second gear 33, and the outer surface of fixed part 341 is rotatably connected with shell 31 by rolling bearing;The outer surface of movable part 342 is provided with pull rod, and the outer end of pull rod passes through shell 31, for adjusting the position of movable part 342 on fixed part 341, and adjusting groove is formed in the surface of shell 31, which allows the pull rod to move axially along movable part 342 therein;The other end of connecting part 343 is fixedly connected with the output shaft of first servo motor.

[0038] As shown in the figure, Figure 4 The end of fixed part 341 away from second gear 33 is polygonal in cross section, preferably a square, and the end surface of movable part 342 is provided with a matching first movable groove 344.

[0039] As Figure 5 And Figure 6 As shown in the drawings, the movable part 342 is a polygon in cross section towards one end of the connecting part 343, and the end surface of the connecting part 343 is provided with a second movable slot 345 matching the polygon.

[0040] It is worth mentioning that the depth of the first movable slot 344 is greater than that of the second movable slot 345, that is, when adjusting the position of the movable part 342 on the fixed part 341, it is ensured that the movable part 342 can separate the end of the movable part 342 from the second movable slot 345 without leaving the fixed part 341, so that the connecting part 343 is separated from the movable part 342.

[0041] The rotating disc 37 in the embodiment is sleeved on the outer surface of the movable part 342, the inner circle of the rotating disc 37 is a polygon, and the outer cross section of the movable part 342 matches the shape of the inner circle of the rotating disc 37.

[0042] It is worth mentioning that the outer edge of the rotating disc 37 is provided with a plurality of protrusions 371, which facilitates the user to move the rotating disc 37 with his hand.

[0043] When the utility model is used, by changing the relative position between the fixed part 341 and the movable part 342 in the transmission assembly 34, two transmission states are realized: one is that the movable part 342 is away from the fixed part 341, that is, the rotating disc 37 is separated from the movable part 342, the movable part 342 is connected with the connecting part 343, and the first servo motor is used to adjust the angle of the detection head 1; the second is that the movable part 342 is close to the fixed part 341, the movable part 342 is separated from the connecting part 343, the rotating disc 37 is connected with the movable part 342, and the rotating disc 37 is used to adjust the angle of the detection head 1. It is suitable for more use scenarios, and the position will not change when adjusting the angle of the detection head 1.

[0044] According to the ideal embodiment of the utility model, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A diffractometer for residual stress, comprising: The detection head (1), the lifting mechanism (2) arranged on one side of the detection head (1), and the adjusting mechanism (3) arranged on one side of the lifting mechanism (2), characterized in that: The adjusting mechanism (3) comprises a housing (31), a first gear (32) and a second gear (33) arranged on one side of the housing (31), and a transmission assembly (34) arranged at the shaft center of the second gear (33); The first gear (32) and the second gear (33) are meshed and connected, and a fixed rod (35) is arranged at the shaft center of the first gear (32), and the other end of the fixed rod (35) is connected with the lifting mechanism (2); A first servo motor is further arranged in the housing (31), and the output end of the first servo motor is detachably connected with the transmission assembly (34); A rotating groove (36) is formed on the surface of the housing (31), and a rotating disc (37) is arranged in the rotating groove (36), and the rotating disc (37) is detachably connected with the transmission assembly (34).

2. A diffractive residual stress meter according to claim 1, wherein: The lifting mechanism (2) comprises a frame (21), a screw rod (22) arranged in the frame (21), and a screw sleeve (23) arranged on the screw rod (22); a second servo motor is arranged in the frame (21), and the output end of the second servo motor is fixedly connected with the screw rod (22); one end of the frame (21) is fixedly connected with the fixed rod (35); and the outer surface of the screw sleeve (23) is fixedly connected with the detection head (1).

3. A diffractive residual stress meter according to claim 2, wherein: The outer surface of the screw sleeve (23) is slidingly connected with the inner wall of the frame (21).

4. A diffractive residual stress meter according to claim 1, wherein: The first gear (32) and the second gear (33) are rotatably connected with the outer surface of the housing (31).

5. A diffractive residual stress meter according to claim 1, wherein: The transmission assembly (34) comprises a fixed part (341), a movable part (342) sleeved on the end part of the fixed part (341), and a connecting part (343) sleeved on the end part of the movable part (342); one end of the fixed part (341) penetrates through the housing (31) and is fixedly connected with the second gear (33); the outer surface of the movable part (342) is provided with a pull rod, and the outer end of the pull rod penetrates through the housing (31) and is used for adjusting the position of the movable part (342) on the fixed part (341); and the other end of the connecting part (343) is fixedly connected with the output shaft of the first servo motor.

6. A diffractive residual stress meter according to claim 5, wherein: The end part of the fixed part (341) away from the second gear (33) is polygonal in cross section, and the end surface of the movable part (342) is provided with a first movable groove (344) matched therewith.

7. A diffractive residual stress meter according to claim 6, wherein: The end part of the movable part (342) toward the connecting part (343) is polygonal in cross section, and the end surface of the connecting part (343) is provided with a second movable groove (345) matched therewith.

8. A diffractive residual stress meter according to claim 7, wherein: The depth of the first movable groove (344) is greater than that of the second movable groove (345).

9. A diffractive residual stress meter according to claim 5, wherein: The rotating disc (37) is sleeved on the outer surface of the movable part (342), the inner ring of the rotating disc (37) is polygonal, and the outer section of the movable part (342) is matched with the shape of the inner ring of the rotating disc (37).

10. A diffractive residual stress meter according to claim 1, wherein: The outer edge of the rotating disc (37) is provided with a plurality of protrusions (371).

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