Mechanical detection experiment device

By using a servo motor-driven bidirectional lead screw and worm gear mechanism, the limitations of existing devices in adjusting the position of the impact hammer and the detection surface are solved, enabling multi-faceted detection and angle adjustment of the mechanical detection device and improving the accuracy of the detection data.

CN223926134UActive Publication Date: 2026-02-17WALTEK TESTING GRP (SHENZHEN) CO LTD
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Patent Information

Application Number
CN202520413171.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-02-17
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Existing mechanical testing devices cannot adjust the position of the impact hammer or the testing surface of the object being tested, which affects the accuracy of the testing data.

Method used

The position and angle of the impact hammer, as well as the orientation of the clamping plate, are precisely adjusted by a servo motor-driven bidirectional lead screw and worm gear mechanism, ensuring multi-faceted detection of the inspection surface.

Benefits of technology

It enables precise impact testing at any position and angle on the test surface, improving the accuracy of the test data.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of mechanical detection experiments, in particular to a mechanical detection experiment device which comprises a base and a lifting frame a, the upper surface of the base is fixedly connected with the lifting frame a, a lifting assembly is arranged in the lifting frame a, and the right side face of the lifting frame a is connected with a connecting concave part in a sliding mode. The inner wall of the connecting concave part is rotatably connected with a positioning frame, a servo motor b drives a two-way screw rod a to rotate, the two-way screw rod a rotates to drive two clamping plates to get close to each other to clamp and fix a detected object, an air cylinder drives a sliding block and the clamping plates to move upwards, a servo motor c drives a worm rod b to rotate, and the worm rod b rotates to drive a worm wheel b to rotate. And the worm wheel b rotates to drive the clamping plate and the detected object to carry out orientation adjustment, so that multi-surface detection on the detected object is facilitated, and the problems that an existing device cannot adjust the detection surface of the detected object, certain limitation exists, and the accuracy of detection data is affected are solved.
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Description

Technical Field

[0001] This utility model relates to the field of mechanical testing and experimental technology, and specifically to a mechanical testing and experimental device. Background Technology

[0002] Mechanical testing is a series of experimental procedures in materials science and engineering used to evaluate the behavior of materials under various mechanical forces. These experiments simulate the stress state of materials in practical applications and determine their mechanical property parameters, such as strength, hardness, plasticity, toughness, and elasticity. This provides important information for material selection, design, manufacturing, and service performance prediction. The measured data is transmitted from the measuring instrument to the terminal via a USB-C port.

[0003] The USB-C port (USB-C interface) is a hardware interface form of the Universal Serial Bus (USB) with a variety of features and application scenarios.

[0004] Chinese Utility Model Patent Publication No. CN 213658421 U discloses an impact testing device for mechanical testing. This device, through an adjustment mechanism, achieves precise adjustment of the height of the impact hammer, thereby precisely regulating the impact force and making the impact test more accurate. A fixing mechanism secures the test object in a designated position, facilitating impact testing. A handle allows personnel to directly rotate the lead screw, eliminating the need for tools and improving work efficiency.

[0005] However, the aforementioned device cannot adjust the position of the impact hammer or the detection surface of the object being tested, thus having certain limitations in the testing process and affecting the accuracy of the test data. Utility Model Content

[0006] To address the problems mentioned in the background section, this invention provides a mechanical testing experimental device.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a mechanical testing experimental device, comprising a base and a lifting frame a, wherein the lifting frame a is fixedly connected to the upper surface of the base, a lifting assembly is disposed inside the lifting frame a, a connecting recess is slidably connected to the right side of the lifting frame a, a positioning frame is rotatably connected to the inner wall of the connecting recess, a positioning assembly is disposed inside the positioning frame, the lower surface of the positioning frame is slidably connected to the upper surface of a fixed frame, a second fixing assembly is disposed inside the fixed frame, a fixing box is fixedly connected to the right side of the fixed frame, an impact hammer is inserted into the lower surface of the fixing box, a power box a is mounted on the upper surface of the connecting recess, and the positioning frame a... A connecting column is fixedly connected to the upper surface, and the top end of the connecting column is rotatably connected to the upper surface of the inner wall of the power box a. An angle adjustment component is provided on the outer surface of the connecting column. A splash guard is fixedly connected to the upper surface of the base. A moving groove is opened on the lower surface of the inner wall of the splash guard. A first fixing component is provided inside the moving groove. The lower surface of the inner wall of the splash guard is slidably connected to the lower surfaces of two lifting frames b respectively. A cylinder is installed on the upper surface of the inner wall of the lifting frame b. The telescopic end of the cylinder is fixedly connected to the upper surface of the slider. Two clamping plates are rotatably connected to the opposite sides of the two sliders respectively. A power box b is installed on the back of the slider. An orientation adjustment component is provided inside the power box b.

[0008] Preferably, the lifting assembly includes a servo motor a mounted on the upper surface of the inner wall of the lifting frame a, the output shaft of the servo motor a being fixedly connected to the top end of the screw a, a threaded sleeve a being threadedly connected to the outer surface of the screw a, and a connecting recess being fixedly connected to the right side of the threaded sleeve a.

[0009] Preferably, the angle adjustment assembly includes a worm gear a mounted on the outer surface of the connecting column, the outer surface of the worm gear a meshing with the outer surface of the worm a, and one end of the worm a passing through the front of the inner wall of the power box a and fixedly connected to the back of the handwheel a.

[0010] Preferably, the positioning component includes a screw b rotatably connected to the left side of the inner wall of the positioning frame, the right end of the screw b passing through the right side of the inner wall of the positioning frame and rotatably connected to the left side of the handwheel b, the outer surface of the screw b being threadedly connected to a threaded sleeve b, and the lower surface of the threaded sleeve b being fixedly connected to a fixing frame.

[0011] Preferably, the second fixing component includes a servo motor d installed on the front side of the inner wall of the fixing frame. The output shaft of the servo motor d is fixedly connected to one end of the front side of the bidirectional lead screw b. One end of the back side of the bidirectional lead screw b is rotatably connected to the back side of the inner wall of the fixing frame. Two threaded sleeves d are threadedly connected to the outer surface of the bidirectional lead screw b. An insert is fixedly connected to the right side of the threaded sleeve d. The back side of the insert passes through the opening on the front side of the fixing box and is slidably connected to the inner wall of the slot. Slots are provided on both the front and back sides of the impact hammer.

[0012] Preferably, the first fixing component includes a servo motor b installed on the back side of the inner wall of the moving groove. The output shaft of the servo motor b is fixedly connected to one end of the back side of the bidirectional lead screw a. One end of the front side of the bidirectional lead screw a is rotatably connected to the front side of the inner wall of the moving groove. Two threaded sleeves c are threadedly connected to the outer surface of the bidirectional lead screw a respectively. A lifting frame b is fixedly connected to the upper surface of the threaded sleeve c.

[0013] Preferably, the orientation adjustment assembly includes a worm gear b rotatably connected to the lower surface of the inner wall of the power box b, the outer surface of the worm gear b meshing with the outer surface of the worm wheel b, the front side of the worm wheel b being fixedly connected to the back side of the clamping plate through a bearing and a rotating shaft mounted on the front side of the inner wall of the power box b, the top end of the worm gear b passing through the upper surface of the inner wall of the power box b and being fixedly connected to the output shaft of the servo motor c, and the servo motor c being mounted on the upper surface of the power box b.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This invention utilizes a servo motor (b) to drive a bidirectional lead screw (a) to rotate. The rotation of the lead screw (a) causes two clamping plates to move closer together, clamping and fixing the object to be tested. A cylinder drives the slider and clamping plates to move upward. A servo motor (c) drives a worm gear (b) to rotate. The rotation of the worm gear (b) drives a worm wheel (b), which in turn adjusts the position of the clamping plates and the object to be tested. This allows for multi-faceted testing of the object and solves the problem that existing devices cannot adjust the detection surface of the object, which limits their accuracy and affects the accuracy of the test data.

[0016] This invention utilizes a servo motor (a) to drive a screw (a) to rotate. The rotation of screw (a) causes the connecting recess and impact hammer to move upward. The height of the impact hammer is precisely adjusted via a scale strip mounted on the front of the lifting frame (a), thus regulating the impact force. Rotating handwheel (a) adjusts the angle of the connecting column, positioning frame, and impact hammer. Rotating handwheel (b) rotates screw (b), causing the fixing frame and impact hammer to move to the right. Combined with the angle adjustment component, this allows for impact testing at any position on the detection surface, solving the problem that existing devices cannot adjust the position of the impact hammer. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the movable groove in this utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of the power box a in this utility model;

[0021] Figure 4 This is an enlarged structural diagram of point A in this utility model;

[0022] Figure 5 This is an enlarged structural diagram of point B in this utility model;

[0023] In the diagram: 1. Base; 2. Lifting frame a;

[0024] Lifting components: 31. Servo motor a; 32. Threaded sleeve a; 33. Screw a; 4. Connecting recess; 5. Power box a;

[0025] Angle adjustment components: 61. Handwheel a; 62. Worm gear a; 63. Worm wheel a; 7. Connecting column; 8. Positioning bracket;

[0026] Positioning components: 91. Handwheel b; 92. Screw b; 93. Threaded sleeve b; 10. Splash guard; 11. Moving slot;

[0027] First fixed component: 121, servo motor b; 122, bidirectional lead screw a; 123, threaded sleeve c; 13, lifting frame b; 14, cylinder; 15, power box b; 16, clamping plate;

[0028] Orientation adjustment components: 171, servo motor c; 172, worm gear b; 173, worm wheel b; 18, mounting bracket;

[0029] Second fixed components: 191, servo motor d; 192, bidirectional lead screw b; 193, threaded sleeve d; 194, insert block;

[0030] 20. Fixing box; 21. Impact hammer; 22. Slot; 23. Slider. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Example

[0033] Please see Figures 1-5This utility model provides the following technical solution: a mechanical testing experimental device, including a base 1 and a lifting frame a2. The lifting frame a2 is fixedly connected to the upper surface of the base 1. A lifting component is provided inside the lifting frame a2. A connecting recess 4 is slidably connected to the right side of the lifting frame a2. A positioning frame 8 is rotatably connected to the inner wall of the connecting recess 4. A positioning component is provided inside the positioning frame 8. The lower surface of the positioning frame 8 is slidably connected to the upper surface of a fixed frame 18. A second fixing component is provided inside the fixed frame 18. A fixing box 20 is fixedly connected to the right side of the fixed frame 18. An impact hammer 21 is inserted into the lower surface of the fixing box 20. A power box a is installed on the upper surface of the connecting recess 4. A connecting column is fixedly connected to the upper surface of the positioning frame 8. 7. The top of the connecting column 7 is rotatably connected to the upper surface of the inner wall of the power box a5. An angle adjustment component is provided on the outer surface of the connecting column 7. A splash shield 10 is fixedly connected to the upper surface of the base 1. A moving groove 11 is opened on the lower surface of the inner wall of the splash shield 10. A first fixing component is provided inside the moving groove 11. The lower surface of the inner wall of the splash shield 10 is slidably connected to the lower surfaces of the two lifting frames b13 respectively. A cylinder 14 is installed on the upper surface of the inner wall of the lifting frame b13. The telescopic end of the cylinder 14 is fixedly connected to the upper surface of the slider 23. Two clamping plates 16 are rotatably connected to the opposite sides of the two sliders 23 respectively. A power box b15 is installed on the back of the slider 23. An orientation adjustment component is provided inside the power box b15.

[0034] Specifically, the lifting assembly includes a servo motor a31 installed on the upper surface of the inner wall of the lifting frame a2. The output shaft of the servo motor a31 is fixedly connected to the top end of the screw a33. The outer surface of the screw a33 is threadedly connected to a threaded sleeve a32. A connecting recess 4 is fixedly connected to the right side of the threaded sleeve a32.

[0035] Servo motor a31 drives screw a33 to rotate. The rotation of screw a33 causes threaded sleeve a32, connecting recess 4 and impact hammer 21 to move upward. The height of impact hammer 21 is precisely adjusted by the scale strip installed on the front of lifting frame a2, thereby adjusting the impact force.

[0036] Specifically, the angle adjustment assembly includes a worm gear a63 mounted on the outer surface of the connecting column 7. The outer surface of the worm gear a63 meshes with the outer surface of the worm a62. One end of the worm a62 passes through the front of the inner wall of the power box a5 and is fixed to the back of the handwheel a61.

[0037] Turning the handwheel a61 drives the worm gear a62 and worm wheel a63 to rotate, and the rotation of the worm wheel a63 drives the connecting column 7, the positioning frame 8 and the impact hammer 21 to adjust their angles.

[0038] Specifically, the positioning component includes a screw b92 that is rotatably connected to the left side of the inner wall of the positioning frame 8. The right end of the screw b92 passes through the right side of the inner wall of the positioning frame 8 and is rotatably connected to the left side of the handwheel b91. The outer surface of the screw b92 is threadedly connected to a threaded sleeve b93, and the lower surface of the threaded sleeve b93 is fixedly connected to a fixing frame 18.

[0039] Rotating the handwheel b91 drives the screw b92 to rotate, and the rotation of the screw b92 drives the threaded sleeve b93, the fixed frame 18 and the impact hammer 21 to move to the right. In conjunction with the angle adjustment component, this allows for impact testing at any position on the test surface.

[0040] Specifically, the second fixing component includes a servo motor d191 mounted on the front of the inner wall of the fixing frame 18. The output shaft of the servo motor d191 is fixedly connected to one end of the front of the bidirectional lead screw b192, and one end of the back of the bidirectional lead screw b192 is rotatably connected to the back of the inner wall of the fixing frame 18. Two threaded sleeves d193 are threadedly connected to the outer surface of the bidirectional lead screw b192. An insert 194 is fixedly connected to the right side of the threaded sleeve d193. The back of the insert 194 passes through the opening on the front of the fixing box 20 and is slidably connected to the inner wall of the slot 22. The impact hammer 21 has slots 22 on both the front and back.

[0041] Servo motor d191 drives bidirectional lead screw b192 to rotate. Bidirectional lead screw b192 drives two threaded sleeves d193 and two inserts 194 to move closer to each other. The two inserts 194 move closer to each other and are inserted into the slot 22 of impact hammer 21, fixing impact hammer 21 in the fixing box 20.

[0042] The servo motor d191 reverses and drives the two plugs 194 to simultaneously disengage from the slot 22, causing the impact hammer 21 to disengage from the fixed box 20.

[0043] Specifically, the first fixing component includes a servo motor b121 installed on the back of the inner wall of the moving groove 11. The output shaft of the servo motor b121 is fixedly connected to one end of the back of the bidirectional lead screw a122. One end of the front of the bidirectional lead screw a122 is rotatably connected to the front of the inner wall of the moving groove 11. Two threaded sleeves c123 are threadedly connected to the outer surface of the bidirectional lead screw a122. A lifting frame b13 is fixedly connected to the upper surface of the threaded sleeve c123.

[0044] Servo motor b121 drives bidirectional lead screw a122 to rotate. The rotation of bidirectional lead screw a122 causes two threaded sleeves c123, two lifting frames b13 and two clamping plates 16 to move closer to each other, clamping and fixing the object to be tested.

[0045] The cylinder 14 drives the slider 23 and the clamping plate 16 to move upward, so as to avoid collision with the bottom of the splash guard 10 when the inspection surface is adjusted.

[0046] Specifically, the orientation adjustment component includes a worm gear b172 rotatably connected to the lower surface of the inner wall of the power box b15. The outer surface of the worm gear b172 meshes with the outer surface of the worm wheel b173. The front of the worm wheel b173 is fixedly connected to the back of the clamping plate 16 through a bearing and a rotating shaft installed on the front of the inner wall of the power box b15. The top end of the worm gear b172 passes through the upper surface of the inner wall of the power box b15 and is fixedly connected to the output shaft of the servo motor c171. The servo motor c171 is installed on the upper surface of the power box b15.

[0047] Servo motor C171 drives worm gear B172 to rotate, worm gear B172 rotates, worm wheel B173 rotates, and worm wheel B173 rotates, causing clamping plate 16 and the object to be inspected to adjust their orientation, so as to facilitate multi-faceted inspection of the object.

[0048] Working principle and usage process of this utility model:

[0049] In use, this utility model is as follows:

[0050] The object to be tested is placed between the two lifting frames b13 at the bottom of the splash-proof box 10. Servo motor b121 drives the bidirectional lead screw a122 to rotate. The rotation of the bidirectional lead screw a122 causes the two threaded sleeves c123, the two lifting frames b13, and the two clamping plates 16 to move closer together, clamping and fixing the object to be tested. Cylinder 14 drives the slider 23 and clamping plates 16 to move upwards. Servo motor c171 drives the worm gear b172 to rotate. The rotation of the worm gear b172 drives the worm wheel b173 to rotate. The rotation of the worm wheel b173 causes the clamping plates 16 and the object to adjust their orientation, facilitating multi-faceted testing of the object. Servo motor a31 drives the screw... Rotating rod a33 causes screw a33 to rotate, which in turn moves threaded sleeve a32, connecting recess 4, and impact hammer 21 upward. The height of impact hammer 21 is precisely adjusted by the scale strip installed on the front of lifting frame a2, thereby adjusting the impact force. Rotating handwheel a61 drives worm gear a62 and worm wheel a63 to rotate, which in turn drives connecting column 7, positioning frame 8, and impact hammer 21 to adjust their angles. Rotating handwheel b91 drives screw b92 to rotate, which in turn drives threaded sleeve b93, fixing frame 18, and impact hammer 21 to move to the right. This, in conjunction with the angle adjustment component, allows for impact testing at any position on the detection surface.

[0051] The circuits, electronic components, and modules involved are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0052] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A mechanical detection experiment device, comprising a base (1) and a lifting frame a (2), characterized in that: The upper surface of the base (1) is fixedly connected with a lifting frame a (2), the inside of the lifting frame a (2) is provided with a lifting assembly, the right side surface of the lifting frame a (2) is slidably connected with a connecting recess (4), the inner wall of the connecting recess (4) is rotatably connected with a positioning frame (8), the inside of the positioning frame (8) is provided with a positioning assembly, the lower surface of the positioning frame (8) is slidably connected with the upper surface of a fixing frame (18), the inside of the fixing frame (18) is provided with a second fixing assembly, the right side surface of the fixing frame (18) is fixedly connected with a fixing box (20), the lower surface of the fixing box (20) is inserted with an impact hammer (21), the upper surface of the connecting recess (4) is mounted with a power box a, the upper surface of the positioning frame (8) is fixedly connected with a connecting column (7), the top end of the connecting column (7) is rotatably connected with the upper surface of the inner wall of the power box a (5), the outer surface of the connecting column (7) is provided with an angle adjusting assembly, the upper surface of the base (1) is fixedly connected with a splash-proof box (10), the lower surface of the inner wall of the splash-proof box (10) is provided with a moving groove (11), the inside of the moving groove (11) is provided with a first fixing assembly, the lower surface of the inner wall of the splash-proof box (10) is slidably connected with the lower surface of two lifting frames b (13) respectively, the upper surface of the inner wall of the lifting frame b (13) is mounted with a pneumatic cylinder (14), the telescopic end of the pneumatic cylinder (14) is fixedly connected with the upper surface of a sliding block (23), and the opposite side of the two sliding blocks (23) is rotatably connected with two clamping plates (16) respectively, the back surface of the sliding block (23) is mounted with a power box b (15), and the inside of the power box b (15) is provided with an azimuth adjusting assembly.

2. The mechanical detection assay device of claim 1, wherein: The lifting assembly comprises a servo motor a (31) mounted on the upper surface of the inner wall of the lifting frame a (2), an output shaft of the servo motor a (31) is fixedly connected with the top end of a screw rod a (33), and the outer surface of the screw rod a (33) is threadedly connected with a threaded sleeve a (32), and the right side surface of the threaded sleeve a (32) is fixedly connected with the connecting recess (4).

3. The mechanical detection assay device of claim 1, wherein: The angle adjusting assembly comprises a worm gear a (63) mounted on the outer surface of the connecting column (7), the outer surface of the worm gear a (63) is engaged with the outer surface of a worm a (62), and one end of the front surface of the worm a (62) penetrates through the front surface of the inner wall of the power box a (5) and is fixedly connected with the back surface of a hand wheel a (61).

4. The mechanical testing apparatus of claim 1, wherein: The positioning assembly comprises a screw rod b (92) rotatably connected with the left side surface of the inner wall of the positioning frame (8), the right end of the screw rod b (92) penetrates through the right side surface of the inner wall of the positioning frame (8) and is rotatably connected with the left side surface of a hand wheel b (91), the outer surface of the screw rod b (92) is threadedly connected with a threaded sleeve b (93), and the lower surface of the threaded sleeve b (93) is fixedly connected with the fixing frame (18).

5. The mechanical testing apparatus of claim 1, wherein: The second fixed component includes a servo motor d (191) installed on the front surface of the inner wall of the fixed frame (18), one end of the output shaft of the servo motor d (191) is fixedly connected with the front surface of the bidirectional lead screw b (192), the back end of the back surface of the bidirectional lead screw b (192) is rotatably connected with the back surface of the inner wall of the fixed frame (18), the outer surface of the bidirectional lead screw b (192) is respectively threaded with two threaded sleeves d (193), the right side surface of the threaded sleeve d (193) is fixedly connected with an insertion block (194), the back surface of the insertion block (194) is slidably connected with the inner wall of the insertion groove (22) through the through hole in the front surface of the fixed box (20), and the front surface and the back surface of the impact hammer (21) are both provided with an insertion groove (22).

6. The mechanical testing apparatus of claim 1, wherein: The first fixed component includes a servo motor b (121) installed on the back surface of the inner wall of the moving groove (11), one end of the output shaft of the servo motor b (121) is fixedly connected with the back surface of the bidirectional lead screw a (122), one end of the front surface of the bidirectional lead screw a (122) is rotatably connected with the front surface of the inner wall of the moving groove (11), and the outer surface of the bidirectional lead screw a (122) is respectively threaded with two threaded sleeves c (123). The upper surface of the threaded sleeve c (123) is fixedly connected with the lifting frame b (13).

7. The mechanical testing apparatus of claim 1, wherein: The orientation adjusting assembly includes a worm b (172) rotatably connected with the lower surface of the inner wall of the power box b (15), the outer surface of the worm b (172) is meshed with the outer surface of the worm wheel b (173), the front surface of the worm wheel b (173) is fixedly connected with the back surface of the clamping plate (16) through the bearing and the rotating shaft installed on the front surface of the inner wall of the power box b (15), the top end of the worm b (172) is fixedly connected with the output shaft of the servo motor c (171) through the upper surface of the inner wall of the power box b (15), and the servo motor c (171) is installed on the upper surface of the power box b (15).

Citation Information

Patent Citations

  • Impact experiment device for mechanical detection

    CN213658421U