Positioning mechanism for X-ray stress detection device and stress detection system thereof

Abstract

The utility model relates to the technical field of stress detection, in particular to a positioning mechanism for an X-ray stress detection device and a stress detection system thereof, which comprise a mounting platform, a moving mechanism and an acquisition mechanism. The mounting platform is arranged at the bottom of the moving mechanism, and the collecting mechanism is mounted on the mounting platform. A central processing unit is arranged in the mounting platform, the moving mechanism is provided with an X-axis driving part, a Y-axis driving part and a Z-axis driving part, and the collecting mechanism can collect position coordinates of a to-be-detected workpiece. The moving mechanism is arranged to be matched with the collecting mechanism to collect position signals, the central processing unit controls the X-axis driving part, the Y-axis driving part and the Z-axis driving part to move to the positions where the to-be-detected workpiece needs to move according to the position signals, and therefore the X-ray stress detection device can be automatically moved to the proper position. A set of automatic positioning mechanism is formed to be used in the X-ray stress detection device. The automatic positioning function of the X-ray stress detection device is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to stress detection technical field especially relates to a positioning mechanism for X ray stress detection device and stress detection system thereof. BACKGROUND

[0002] At present, the workpiece of metal or concrete material needs stress detection before application to judge whether the subsequent deformation has influence on the product itself.

[0003] The existing stress detection is generally that the workpiece is placed on the detection platform of the stress detection equipment, then the goniometer on the detection platform is installed on the detection platform through the connecting support, then the position of the goniometer is manually adjusted, and the goniometer has an X ray tube and a detector, the position of the X ray tube and the detector on the detection platform is adjusted through adjusting the position of the goniometer and whether the target position is reached is judged through the naked eye to position, but the existing manual positioning detection mode leads to that the X ray stress detection equipment cannot be automatically operated at a distance to determine the height and horizontal position during stress detection, and manual positioning has certain error. UTILITARIAN CONTENT

[0004] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a positioning mechanism for X ray stress detection device and stress detection system thereof, which solves the technical problem that the existing manual positioning detection mode leads to that the X ray stress detection equipment cannot be automatically operated at a distance to determine the height and horizontal position during stress detection, and manual positioning has certain error.

[0005] In order to achieve the above-mentioned purpose, the main technical scheme of the utility model comprises:

[0006] On the one hand, the utility model embodiment provides a positioning mechanism for X ray stress detection device, including installation platform, moving mechanism and acquisition mechanism;

[0007] The installation platform is arranged at the bottom of the moving mechanism, and the acquisition mechanism is installed on the installation platform;

[0008] The moving mechanism has X axis drive piece, Y axis drive piece and Z axis drive piece, the acquisition mechanism can acquire the position coordinates of the workpiece to be detected as a position signal and send the position signal to the central processing unit, the central processing unit is used for receiving the position signal and can control the X axis drive piece, the Y axis drive piece and the Z axis drive piece to stop driving to the specified position, so as to drive the installation platform to move and drive the acquisition mechanism to move to the specified position for positioning.

[0009] Optionally, the moving mechanism comprises an X-axis adjusting assembly, a Y-axis adjusting assembly and a Z-axis adjusting assembly.

[0010] The first platform at the bottom of the X-axis adjusting assembly is connected with the mounting platform, the X-axis drive member of the X-axis adjusting assembly is capable of driving the first platform to make reciprocating movement along the X-axis direction to drive the mounting platform to move, the top of the X-axis adjusting assembly is connected with the second platform at the bottom of the Y-axis adjusting assembly, the Y-axis drive member of the Y-axis adjusting assembly is capable of driving the second platform to drive the X-axis adjusting assembly and the mounting platform to make reciprocating movement along the Y-axis direction, and the top of the Y-axis adjusting assembly is connected with the third platform of the Z-axis adjusting assembly, the Z-axis drive member of the Z-axis adjusting assembly is capable of driving the third platform to drive the Y-axis adjusting assembly, the X-axis adjusting assembly and the mounting platform to make reciprocating movement along the Z-axis direction.

[0011] Optionally, the X-axis adjusting assembly comprises the X-axis drive member, a first mounting plate, a first lead screw, a first lead screw guide block and the first platform, the first mounting plate is arranged in an inverted L shape, the X-axis drive member is mounted on the short edge segment of the first mounting plate, the first lead screw is arranged along the long edge segment of the first mounting plate, the first lead screw guide block is slidingly mounted on the first lead screw, and the bottom of the first lead screw guide block is fixedly mounted with the mounting platform.

[0012] Optionally, the Y-axis adjusting assembly comprises the Y-axis drive member, a second mounting plate, a second lead screw, a second lead screw guide block and the second platform, the second mounting plate is arranged in an inverted L shape, the Y-axis drive member is mounted on the short edge segment of the second mounting plate, the second lead screw is arranged along the long edge segment of the second mounting plate, the second lead screw guide block is slidingly mounted on the second lead screw, the bottom of the second lead screw guide block is fixedly mounted with the second platform, and the second platform is fixedly connected with the first mounting plate.

[0013] Optionally, the Z-axis adjusting assembly comprises the Z-axis drive member, a mounting frame, a third lead screw and the third platform, the Z-axis drive member is mounted in the mounting frame, the bottom of the third lead screw is fixedly mounted with the third platform, and the third platform is fixedly connected with the second mounting plate.

[0014] Optionally, the collecting mechanism comprises a laser emitter, an industrial camera and a laser range finder.

[0015] The laser emitter can emit a laser spot towards the workpiece to be detected, the industrial camera is used to take a picture between the laser spot shot by the laser emitter on the workpiece to be detected and the workpiece mark measurement point as a first position signal, and send the first position signal to the central processor, and the central processor controls the X-axis drive and the Y-axis drive to complete the movement and positioning of the stress detection mechanism in the X-axis and Y-axis directions according to the first position signal.

[0016] The laser range finder is used to measure the distance between the industrial camera and the surface of the workpiece to be detected as a second position signal, and send the second position signal to the central processor, and the central processor controls the Z-axis drive to complete the movement and positioning of the stress detection mechanism in the Z-axis direction according to the second position signal.

[0017] On the other hand, an X-ray stress detection system comprising the positioning mechanism and the stress detection mechanism for the X-ray stress detection device;

[0018] The bottom of the positioning mechanism is connected with the top of the stress detection mechanism.

[0019] Optionally, the stress detection mechanism comprises an arc-shaped motion structure and a goniometer.

[0020] One side of the arc-shaped motion structure is connected with the mounting platform through the mounting bracket.

[0021] The mounting bracket extends downward to form an open-bottom accommodating space, and the goniometer is partially located in the accommodating space.

[0022] Optionally, the goniometer comprises a bracket, an X-ray tube box and a detector.

[0023] The X-ray tube and the detector are respectively installed on the upper and lower sides of the bracket, the top of the bracket is provided with an L-shaped connecting frame, the L-shaped connecting frame is detachably connected with the bottom of the mounting bracket, the bottom of the bracket is provided with four bolt holes, and opposite two bolt holes form a set of connecting holes, the top of the detector is provided with two bolts, and the two bolts are oppositely arranged, and the two bolts are selectively connected with a set of connecting holes.

[0024] Optionally, the arc-shaped motion structure comprises an arc-shaped mounting body, a servo motor, a gear, an arc-shaped motion guide rail and an arc-shaped rack.

[0025] The servo motor is installed on one side of the mounting support, an output shaft of the servo motor penetrates through the mounting support and is connected with the gear, one side end surface of the arc-shaped mounting body is provided with an arc-shaped movement guide rail, the mounting support is located on one end surface of the arc-shaped mounting body close to the guide rail, and the mounting support is slidably connected with the arc-shaped mounting body through a sliding block, and the top arc-shaped surface of the arc-shaped mounting body is provided with the arc-shaped rack, and the gear is engaged with the arc-shaped rack.

[0026] The positioning mechanism for the X-ray stress detection device and the stress detection system have the advantages that the mobile mechanism is matched with the acquisition mechanism to acquire a position signal, the central processor controls the movement of the X-axis driving member, the Y-axis driving member and the Z-axis driving member to the position required by the workpiece to be detected according to the position signal, so that the X-ray stress detection device is automatically moved to the appropriate position, and the positioning is more accurate compared with manual operation and does not need manual operation. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a whole structure schematic view of the X-ray stress detection system of the utility model;

[0028] Figure 2 It is a structure schematic view of the positioning mechanism for the X-ray stress detection device of the utility model;

[0029] Figure 3 It is a stress detection mechanism part structure schematic view (measuring inclination method state) of the stress detection system of stress detection;

[0030] Figure 4 It is a stress detection mechanism part structure schematic view (same inclination method state) of the stress detection system of stress detection;

[0031] Figure 5 It is a structure schematic view of the goniometer of the stress detection mechanism.

[0032] BRIEF DESCRIPTION OF DRAWINGS

[0033] 100, positioning mechanism; 1, mounting platform; 2, moving mechanism; 21, X-axis adjusting assembly; 211, X-axis driving part; 212, first mounting plate; 213, first lead screw; 214, first lead screw guide block; 215, first platform; 22, Y-axis adjusting assembly; 221, Y-axis driving part; 222, second mounting plate; 223, second lead screw; 224, second lead screw guide block; 225, second platform; 23, Z-axis adjusting assembly; 231, Z-axis driving part; 232, mounting frame; 233, third lead screw; 234, third platform; 3, acquisition mechanism; 31, laser emitter; 32, industrial camera; 33, laser range finder; 200, stress detection mechanism; 201, arc-shaped motion structure; 2011, arc-shaped mounting body; 2012, servo motor; 2013, gear; 2014, arc-shaped motion guide rail; 2015, arc-shaped rack; 202, goniometer; 2021, support; 2022, X-ray tube box; 2023, detector; 2024, bolt hole; 2025, bolt; 203, mounting support. DETAILED DESCRIPTION

[0034] In order to better explain the utility model, so as to facilitate understanding, the following combining with the specific embodiments, the utility model is described in detail.

[0035] Referring to Figures 1-5 As shown in the figure, the utility model embodiment proposes an X-ray stress detection system for X-ray stress detection device, including positioning mechanism 100 and stress detection mechanism 200 for X-ray stress detection device.The bottom of positioning mechanism 100 is connected with the top of stress detection mechanism 200.

[0036] Among them, the utility model embodiment provides a kind of positioning mechanism 100 for X-ray stress detection device, including mounting platform 1, moving mechanism 2 and acquisition mechanism 3.Installing platform 1 is set to the bottom of moving mechanism 2, and acquisition mechanism 3 is installed on mounting platform 1.Moving mechanism 2 has X-axis driving part 211, Y-axis driving part 221 and Z-axis driving part 231, acquisition mechanism 3 can acquire the position coordinate of the workpiece to be detected as position signal and send position signal to central processing unit, and central processing unit is used to receive position signal and can control X-axis driving part 211, Y-axis driving part 221 and Z-axis driving part 231 act to specified position stop driving, to drive mounting platform 1 to move, and drive acquisition mechanism 3 to move to specified position for positioning.The entire X-ray stress detection system is located above the workpiece to be measured.

[0037] It needs to be explained that positioning mechanism 100 in the embodiment also has external central processing unit, and the central processing unit can be computer or the like control terminal.

[0038] The embodiment provides a positioning mechanism 100 for an X-ray stress detection device and a stress detection system thereof. The positioning mechanism 100 is matched with the collecting mechanism 3 to collect a position signal. The central processing unit controls the movement of the X-axis driving part 211, the Y-axis driving part 221 and the Z-axis driving part 231 to the position required by the workpiece to be detected, so as to automatically move the X-ray stress detection device to the appropriate position. Compared with manual positioning, the positioning is more accurate and does not need manual operation. An automatic positioning mechanism 100 is formed in the X-ray stress detection device, and the automatic positioning function of the X-ray stress detection device is realized. The technical problem that the existing manual positioning detection method causes the X-ray stress detection device to be manually operated to automatically determine the height and horizontal position during stress detection and manual positioning has a certain error is solved.

[0039] Further, the moving mechanism 2 comprises an X-axis adjusting assembly 21, a Y-axis adjusting assembly 22 and a Z-axis adjusting assembly 23. The first platform 215 at the bottom of the X-axis adjusting assembly 21 is connected with the mounting platform 1. The X-axis driving part 211 of the X-axis adjusting assembly 21 can drive the first platform 215 to reciprocate along the X-axis direction, so as to drive the mounting platform 1 to move. The top of the X-axis adjusting assembly 21 is connected with the second platform 225 at the bottom of the Y-axis adjusting assembly 22. The Y-axis driving part 221 of the Y-axis adjusting assembly 22 can drive the second platform 225 to drive the X-axis adjusting assembly 21 and the mounting platform 1 to reciprocate along the Y-axis direction. The top of the Y-axis adjusting assembly 22 is connected with the third platform 234 of the Z-axis adjusting assembly 23. The Z-axis driving part 231 of the Z-axis adjusting assembly 23 can drive the third platform 234 to drive the Y-axis adjusting assembly 22, the X-axis adjusting assembly 21 and the mounting platform 1 to reciprocate along the Z-axis direction. The structure is convenient for production and installation, and has low cost.

[0040] Further, the X-axis adjusting assembly 21 comprises an X-axis driving part 211, a first mounting plate 212, a first lead screw 213, a first lead screw guide block 214 and a first platform 215. The first mounting plate 212 is arranged in an inverted L shape. The X-axis driving part 211 is mounted on the short side section of the first mounting plate 212. The first lead screw 213 is arranged along the long side section of the first mounting plate 212. The first lead screw guide block 214 is slidably mounted on the first lead screw 213. The bottom of the first lead screw guide block 214 is fixedly mounted with the mounting platform 1. The structure is convenient for production and installation, has low cost, and saves space, so that the space structure is compact.

[0041] Further, the Y-axis adjusting assembly 22 comprises a Y-axis driving element 221, a second mounting plate 222, a second screw rod 223, a second screw rod guide block 224 and a second platform 225, the second mounting plate 222 is arranged in an inverted L shape, the Y-axis driving element 221 is mounted on the short side segment of the second mounting plate 222, the second screw rod 223 is arranged along the long side segment of the second mounting plate 222, the second screw rod guide block 224 is slidingly mounted on the second screw rod 223, the bottom of the second screw rod guide block 224 is fixedly mounted with the second platform 225, and the second platform 225 is fixedly connected with the first mounting plate 212. Further, the Z-axis adjusting assembly 23 comprises a Z-axis driving element 231, a mounting frame 232, a third screw rod 233 and a third platform 234, the Z-axis driving element 231 is mounted in the mounting frame 232, the bottom of the third screw rod 233 is fixedly mounted with the third platform 234, and the third platform 234 is fixedly connected with the second mounting plate 222. In addition to the advantages mentioned above, it is also convenient to adjust and install. Through the design of the moving mechanism 2, the blank of the current X-ray stress detection equipment lacking a full-automatic positioning detection method is solved, so that the operator can realize automatic positioning and automatic measurement through full-remote operation, the error caused by manual operation is reduced, and the safety performance of the X-ray stress detection device is improved.

[0042] Further, the collecting mechanism 3 comprises a laser emitter 31, an industrial camera 32 and a laser range finder 33. The laser emitter 31 can emit a laser point towards the workpiece to be detected, and the position of the laser point is the measurement center of the stress detection mechanism 200, the industrial camera 32 is used to shoot a picture between the laser point on the workpiece detected by the laser emitter 31 and the workpiece mark measurement point as a first position signal, and send the first position signal to the central processor.

[0043] Here, the workpiece mark measurement point is a point marked in advance at the center position of the workpiece. The industrial camera 32 collects the measurement center point of the stress detection mechanism 200 and the workpiece mark point as a first position signal. The central processor compares the two points and determines whether the laser point coincides with the workpiece mark point. If there is no coincidence, the central processor further determines the position information of the laser point to be moved and sends the information to the moving mechanism 2 to control the X-axis drive 211 and the Y-axis drive 221 to complete the movement and positioning of the stress detection mechanism 200 in the X-axis and Y-axis directions. The laser range finder 33 is used to measure the distance between the industrial camera 32 and the surface of the workpiece to be measured as a second position signal, and sends the second position signal to the central processor. The central processor controls the Z-axis drive 231 to complete the movement and positioning of the stress detection mechanism 200 in the Z-axis direction according to the second position signal. The laser axis of the laser range finder 33 and the laser axis of the laser emitter 31 pass through the center of the X-ray stress detection mechanism 200, that is, the intersection of the axis of the X-ray stress detection arc-shaped motion structure 201 and the X-ray emission window of the X-ray stress detection goniometer 202. It should be noted that the industrial camera 32 is perpendicular to the ground.

[0044] Further, the stress detection mechanism 200 includes an arc-shaped motion structure 201 and a goniometer 202. The arc-shaped motion structure 201 is connected to the mounting platform 1 through a mounting bracket 203 on one side. The mounting bracket 203 extends downward to form an open-bottom containing space, and the goniometer 202 is partially located in the containing space.

[0045] Further, the goniometer 202 includes a bracket 2021, an X-ray tube box 2022, and a detector 2023. The X-ray tube and the detector 2023 are respectively installed on the upper and lower sides of the bracket 2021. The top of the bracket 2021 is provided with an L-shaped connecting frame which is detachably connected to the bottom of the mounting bracket 203. Four bolt holes 2024 are formed in the bottom of the bracket 2021, and opposite two bolt holes 2024 form a set of connecting holes. Two bolts 2025 are provided on the top of the detector 2023, and the two bolts 2025 are oppositely arranged. The two bolts 2025 can be selectively connected to a set of connecting holes. As shown in Figure 5 When the two bolts 2025 are installed in the left and right two bolt holes 2024, it is a same-inclination method measurement, as shown in Figure 4 When the two bolts 2025 are installed in the front and rear two bolt holes 2024, it is a measurement-inclination method measurement, as shown in Figure 3 The horizontal width (short side) direction of the bracket 2021 is left and right, and the longitudinal length direction (long side) is front and back.

[0046] Further, the arc-shaped moving structure 201 comprises an arc-shaped mounting body 2011, a servo motor 2012, a gear 2013, an arc-shaped moving guide rail 2014 and an arc-shaped rack 2015. The servo motor 2012 is mounted on one side of the mounting bracket 203, the output shaft of the servo motor 2012 penetrates through the mounting bracket 203 and is connected with the gear 2013, one side end surface of the arc-shaped mounting body 2011 is provided with the arc-shaped moving guide rail 2014, the mounting bracket 203 is located on the end surface of the arc-shaped mounting body 2011 close to the guide rail, and the mounting bracket 203 is slidably connected with the arc-shaped mounting body 2011 through a sliding block, and the top arc-shaped surface of the arc-shaped mounting body 2011 is provided with the arc-shaped rack 2015, and the gear 2013 is engaged with the arc-shaped rack 2015.

[0047] In the description of the present application, it should be understood that the terms "first", "second" are used only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0048] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0049] In the present application, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can be directly contacted by the first and second features, or indirectly contacted by the first and second features through an intermediate medium. Moreover, the first feature is "above", "above" and "above" the second feature, which can be directly above or obliquely above the first feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature is "below", "below" and "below" the second feature, which can be directly below or obliquely below the first feature, or only indicates that the horizontal height of the first feature is lower than that of the second feature.

[0050] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0051] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and the person skilled in the art can modify, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A positioning mechanism for an X-ray stress detection apparatus, characterized by: It comprises a mounting platform (1), a moving mechanism (2) and a collecting mechanism (3); The mounting platform (1) is arranged at the bottom of the moving mechanism (2), and the collecting mechanism (3) is mounted on the mounting platform (1); The moving mechanism (2) has an X-axis driving part (211), a Y-axis driving part (221) and a Z-axis driving part (231), the collecting mechanism (3) can collect the position coordinates of the workpiece to be detected as a position signal and send the position signal to a central processor, the central processor is used for receiving the position signal and can control the X-axis driving part (211), the Y-axis driving part (221) and the Z-axis driving part (231) to stop driving at a specified position, so as to drive the mounting platform (1) to move and drive the collecting mechanism (3) to move to the specified position for positioning.

2. The positioning mechanism for an X-ray stress measurement apparatus according to claim 1, characterized by: The moving mechanism (2) comprises an X-axis adjusting assembly (21), a Y-axis adjusting assembly (22) and a Z-axis adjusting assembly (23); The first platform (215) at the bottom of the X-axis adjusting assembly (21) is connected with the mounting platform (1), the X-axis driving part (211) of the X-axis adjusting assembly (21) can drive the first platform (215) to reciprocate along the X-axis direction, so as to drive the mounting platform (1) to move, the top of the X-axis adjusting assembly (21) is connected with the second platform (225) at the bottom of the Y-axis adjusting assembly (22), the Y-axis driving part (221) of the Y-axis adjusting assembly (22) can drive the second platform (225) to drive the X-axis adjusting assembly (21) and the mounting platform (1) to reciprocate along the Y-axis direction, the top of the Y-axis adjusting assembly (22) is connected with the third platform (234) of the Z-axis adjusting assembly (23), and the Z-axis driving part (231) of the Z-axis adjusting assembly (23) can drive the third platform (234) to drive the Y-axis adjusting assembly (22), the X-axis adjusting assembly (21) and the mounting platform (1) to reciprocate along the Z-axis direction.

3. The positioning mechanism for an X-ray stress measurement apparatus according to claim 2, characterized in that: The X-axis adjusting assembly (21) comprises the X-axis driving part (211), a first mounting plate (212), a first lead screw (213), a first lead screw guide block (214) and the first platform (215), the first mounting plate (212) is arranged in an inverted L shape, the X-axis driving part (211) is mounted on the short side segment of the first mounting plate (212), the first lead screw (213) is arranged along the long side segment of the first mounting plate (212), the first lead screw guide block (214) is slidably mounted on the first lead screw (213), and the mounting platform (1) is fixedly mounted at the bottom of the first lead screw guide block (214).

4. The positioning mechanism for an X-ray stress measurement apparatus according to claim 3, characterized in that: The Y-axis adjusting assembly (22) comprises the Y-axis driving member (221), a second mounting plate (222), a second screw rod (223), a second screw rod guide block (224) and the second platform (225), the second mounting plate (222) is arranged in an inverted L shape, the Y-axis driving member (221) is mounted on the short side segment of the second mounting plate (222), the second screw rod (223) is arranged along the long side segment direction of the second mounting plate (222), the second screw rod guide block (224) is slidingly mounted on the second screw rod (223), the bottom of the second screw rod guide block (224) is fixedly mounted with the second platform (225), and the second platform (225) is fixedly connected with the first mounting plate (212).

5. The positioning mechanism for an X-ray stress measurement apparatus according to claim 4, characterized in that: The Z-axis adjusting assembly (23) comprises the Z-axis driving member (231), a mounting frame (232), a third screw rod (233) and the third platform (234), the Z-axis driving member (231) is mounted in the mounting frame (232), the bottom of the third screw rod (233) is fixedly mounted with the third platform (234), and the third platform (234) is fixedly connected with the second mounting plate (222).

6. The positioning mechanism for an X-ray stress measurement apparatus according to claim 1, characterized by: The collecting mechanism (3) comprises a laser emitter (31), an industrial camera (32) and a laser range finder (33); The laser emitter (31) can emit a laser point towards a workpiece to be detected, the industrial camera (32) is used for shooting a picture between the laser point on the workpiece to be detected and a workpiece mark measurement point as a first position signal, and sending the first position signal to the central processor, and the central processor controls the X-axis driving member (211) and the Y-axis driving member (221) to complete movement and positioning of the stress detection mechanism (200) in the X-axis and Y-axis directions according to the first position signal; The laser range finder (33) is used for measuring a distance between the industrial camera (32) and the surface of the workpiece to be detected as a second position signal, and sending the second position signal to the central processor, and the central processor controls the Z-axis driving member (231) to complete movement and positioning of the stress detection mechanism (200) in the Z-axis direction according to the second position signal.

7. An X-ray stress detection system characterized by: The positioning mechanism for the X-ray stress detection device comprises the positioning mechanism for the X-ray stress detection device according to any one of claims 1-6, and the detection system further comprises a stress detection mechanism (200), and the bottom of the positioning mechanism is connected with the top of the stress detection mechanism (200).

8. The x-ray stress measurement system of claim 7, wherein: The stress detection mechanism (200) comprises an arc motion structural member (201) and a goniometer (202). One side of the arc motion structural member (201) is connected with the mounting platform (1) through a mounting support (203). The mounting support (203) extends downward to form an open-bottom accommodating space, and the goniometer (202) is partially located in the accommodating space.

9. The x-ray stress measurement system of claim 8, wherein: The goniometer (202) comprises a support (2021), an X-ray tube box (2022) and a detector (2023). The X-ray tube box (2022) and the detector (2023) are respectively installed on the upper and lower sides of the support (2021), an L-shaped connecting frame is arranged on the top of the support (2021), the L-shaped connecting frame is detachably connected with the bottom of the mounting support (203), four bolt holes (2024) are arranged on the bottom of the support (2021), and opposite bolt holes (2024) are connected holes, two bolts (2025) are arranged on the top of the detector (2023), and the two bolts (2025) are oppositely arranged and selectively connected with the connected holes.

10. The x-ray stress measurement system of claim 9, wherein: The arc-shaped motion structure (201) comprises an arc-shaped mounting body (2011), a servo motor (2012), a gear (2013), an arc-shaped motion guide rail (2014) and an arc-shaped rack (2015); The servo motor (2012) is installed on one side of the mounting support (203), the output shaft of the servo motor (2012) penetrates through the mounting support (203) and is connected with the gear (2013), one side end surface of the arc-shaped mounting body (2011) is provided with the arc-shaped motion guide rail (2014), the mounting support (203) is located on the end surface of the arc-shaped mounting body (2011) close to the guide rail, and the mounting support (203) is slidably connected with the arc-shaped mounting body (2011) through a sliding block, and the top arc-shaped surface of the arc-shaped mounting body (2011) is provided with the arc-shaped rack (2015), and the gear (2013) is engaged with the arc-shaped rack (2015).

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