Multi-angle indentation mechanical property testing device of cambered surface structure
By designing a multi-angle indentation mechanical property testing device for arc-shaped structures, and utilizing magnetic connecting blocks and adjusting screws, the portable mechanical property testing instrument can be fixed at multiple angles and its position adjusted. This solves the problem of inconvenient replacement of fixed fixtures in existing technologies and improves the ease of use and stability of arc-shaped structure testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING CHUNQIU SUNSHINE TECH CO LTD
- Filing Date
- 2025-06-16
- Publication Date
- 2026-05-15
AI Technical Summary
Existing technologies require carrying and changing fixed fixtures of different specifications when testing the mechanical properties of curved structures, which is inconvenient and affects testing efficiency.
A multi-angle indentation mechanical property testing device with an arc-shaped structure was designed. By combining a magnetic connecting block and an adjusting screw, the portable mechanical property tester can be fixed at multiple angles and its position adjusted. The magnetic block is used to attract the arc-shaped surface of specimens of different specifications, and the tightness of the threaded sleeve is adjusted by the adjusting handle to achieve stable fixation.
It improves the ease of use for testing the mechanical properties of curved structures, simplifies the fixing process, and enhances testing efficiency and stability.
Smart Images

Figure CN224247449U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mechanical performance testing equipment, and in particular to a multi-angle indentation mechanical performance testing device with an arc surface structure. Background Technology
[0002] Precise mechanical testing of pipes and curved plates is a crucial step in evaluating their material properties and reliability. Test indicators include tensile strength, yield strength, and elongation. A tensile testing machine is used to stretch the specimen until it fractures, and the load-displacement curve is recorded to accurately calculate the material's plastic deformation and load-bearing capacity under stress.
[0003] During testing, the mechanical testing instrument needs to be fixed to the surface of the arc-shaped structure. Different specifications of fixing tools are required when measuring pipes and arc-shaped plates. A large number of fixing tools need to be carried during measurement, and they need to be selected and replaced according to the pipe specifications, which is quite inconvenient to use. Utility Model Content
[0004] To address the aforementioned problems, this invention provides a multi-angle indentation mechanical property testing device with an arc-shaped structure, thereby resolving the problems existing in the prior art.
[0005] According to a first aspect of the present invention, a multi-angle indentation mechanical property testing device with an arc surface structure is provided, comprising:
[0006] The mounting plate has a through-hole for testing. Arc-shaped blocks are fixedly connected to the mounting plate near the four corners. Long slots are through-holes in the arc-shaped blocks. Magnet connecting blocks are set on the concave arc surface of the arc-shaped blocks. Specimens are set on the magnet connecting blocks. Magnet blocks are set at the lower end of the magnet connecting blocks. Magnet connecting blocks have convex arc surfaces that fit with the concave arc surface of the arc-shaped blocks. Arc pads are set on the convex arc surface of the arc-shaped blocks. Concave arc surfaces that fit with the convex arc surface of the arc-shaped blocks are set on the arc pads.
[0007] The adjusting screw has a through hole 1 on the arc pad and a through hole 2 on the magnet connecting block. The adjusting screw is threaded through the through hole 1 and the through hole 2. The middle part of the adjusting screw is fitted into the long through groove.
[0008] An adjustment plate is mounted on the mounting plate. A second detection slot, corresponding to the first detection slot, is opened through the adjustment plate. A portable mechanical property tester is mounted on the adjustment plate. The detection end of the portable mechanical property tester contacts the specimen through the first and second detection slots.
[0009] As a further embodiment of this utility model: two side convex plates are fixedly connected to the two end faces of the adjustment plate respectively. The detection through groove II is a long strip through groove. The two side convex plates are respectively set on both sides of the detection through groove II. The two side convex plates are each provided with a fixed through hole II. Limiting slide rods are symmetrically arranged and fixedly connected to the two end faces of the adjustment plate. The two limiting slide rods are respectively set at both ends of the detection through groove II.
[0010] As a further embodiment of this utility model: two mounting slots are symmetrically arranged and opened on the mounting plate, and a positioning slot plate is provided in each of the two mounting slots. The positioning slot plate has a positioning slot, and two limiting slide rods are respectively sleeved in the positioning slots of the two positioning slot plates.
[0011] As a further embodiment of this utility model: a bearing seat plate is provided on the side end face of the mounting plate, and a positioning through hole is provided through the bearing seat plate. The positioning through hole is aligned with the positioning groove and is coaxially and fixedly connected to the positioning rod.
[0012] As a further embodiment of this utility model: symmetrical adjustment slots are provided on the mounting plate, and the adjustment slots are located on both sides of the detection slot. The fixing through hole of the side convex plate corresponds to the adjustment slot in position. A limit screw is provided between the side convex plate and the mounting plate. The threaded end of the limit screw passes through the adjustment slot on the mounting plate and the fixing through hole of the side convex plate. An adjustment handle is threadedly connected to the threaded end of the limit screw.
[0013] As a further embodiment of this utility model: the adjusting handle is an adjustable locking handle, which includes a handle rod and a threaded sleeve. The handle rod is fixedly connected to the side end of the threaded sleeve, and the threaded sleeve is threadedly connected to the end of the threaded rod of the limiting screw.
[0014] As a further embodiment of this utility model: both the detection channel and the adjustment channel are elongated channels.
[0015] As a further embodiment of this utility model: four arc-shaped blocks and two magnet blocks are provided.
[0016] The beneficial effects of this utility model are:
[0017] 1. When it is necessary to fix the portable mechanical property testing instrument on the specimen, the adjustment screw connecting the arc pad, the magnet connecting block, and the arc block can be loosened, so that the arc pad and the magnet connecting block can slide and adjust along the arc surface of the arc block. This allows the relative angle between the two magnet blocks to be adjusted, which facilitates the adsorption and fixation of the arc surface of specimens of different specifications by the magnet blocks. This makes it easier to fix the portable mechanical property testing instrument on the specimen, facilitates the testing of the specimen, and improves the ease of use of the device.
[0018] 2. When using this utility model, the tightness of the connection between the threaded sleeve and the limiting screw can be adjusted by turning the handle, which facilitates the position adjustment of the adjustment plate and the portable mechanical property tester. At the same time, it is easy to fix the adjustment plate and the portable mechanical property tester after the position adjustment, further improving the ease of use of the device. Attached Figure Description
[0019] Figure 1 This is a three-dimensional structural diagram of a multi-angle indentation mechanical property testing device with an arc-shaped surface according to the present invention. Figure 1 ;
[0020] Figure 2 This is a side cross-sectional view of a multi-angle indentation mechanical property testing device with an arc surface structure according to the present invention.
[0021] Figure 3 This is a three-dimensional structural diagram of the arc pad of a multi-angle indentation mechanical property testing device with an arc surface structure according to the present invention;
[0022] Figure 4 This is a three-dimensional structural diagram of the mounting plate of a multi-angle indentation mechanical property testing device with an arc surface structure according to the present invention;
[0023] Figure 5 This is a three-dimensional structural diagram of the magnet connecting block of a multi-angle indentation mechanical property testing device with an arc surface structure according to the present invention.
[0024] Figure 6 This is a three-dimensional structural diagram of the adjustment plate of a multi-angle indentation mechanical property testing device with an arc surface structure according to the present invention.
[0025] Figure 7 This is a three-dimensional structural diagram of the bearing seat plate of a multi-angle indentation mechanical property testing device with an arc surface structure according to the present invention;
[0026] Figure 8 This is a three-dimensional structural diagram of the positioning groove plate of a multi-angle indentation mechanical property testing device with an arc surface structure according to the present invention.
[0027] List of reference numerals in the attached diagram:
[0028] 1. Portable mechanical property testing instrument; 2. Positioning slot plate; 21. Positioning slot; 3. Arc pad; 31. Connecting through hole one; 4. Mounting plate; 41. Testing through slot one; 42. Arc block; 43. Long through slot; 44. Mounting slot; 45. Adjusting through slot; 5. Magnet connecting block; 51. Connecting through hole two; 52. Fixing through hole one; 6. Adjusting plate; 61. Testing through slot two; 62. Side convex plate; 63. Fixing through hole two; 64. Limiting slide rod; 7. Bearing seat plate; 71. Positioning through hole; 72. Fixing through hole three; 8. Positioning rod; 9. Adjusting handle; 10. Adjusting screw; 11. Limiting screw; 12. Magnet block; 13. Specimen. Detailed Implementation
[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.
[0030] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0032] Reference Figures 1 to 8This utility model provides a multi-angle indentation mechanical property testing device for an arc-shaped structure, including a mounting plate 4, an adjusting plate 6, and an adjusting screw 10. A detection through-slot 41 is provided through the mounting plate 4. Arc-shaped blocks 42 are fixedly connected to the mounting plate 4 near the four corners. Long strip slots 43 are provided through the arc-shaped blocks 42. Magnet connecting blocks 5 are provided on the concave arc surface of the arc-shaped blocks 42. A specimen 13 is provided on the magnet connecting blocks 5. A magnet block 12 is provided at the lower end of the magnet connecting blocks 5. A convex arc surface that fits against the concave arc surface of the arc-shaped blocks 42 is provided on the convex arc surface of the arc-shaped blocks 42. A circular arc pad 3 is provided on the convex arc surface of the arc-shaped blocks 42. Block 3 has an inner concave arc surface that fits with the convex arc surface of arc block 42. A connecting through hole 31 is provided through arc pad 3. A connecting through hole 51 is provided through magnetic connecting block 5. An adjusting screw 10 is threaded through connecting through hole 31 and connecting through hole 51. The middle part of the adjusting screw 10 is sleeved in the long through groove 43. An adjusting plate 6 is provided on the mounting plate 4. A detection through groove 61 corresponding to detection through groove 41 is provided through the adjusting plate 6. A portable mechanical property tester 1 is provided on the adjusting plate 6. The detection end of the portable mechanical property tester 1 contacts the specimen 13 through detection through groove 41 and detection through groove 61.
[0033] Two side protrusions 62 are fixedly connected to the two end faces of the adjusting plate 6 respectively. The detection through groove 61 is a long strip groove. The two side protrusions 62 are respectively set on both sides of the detection through groove 61. The two side protrusions 62 are each provided with a fixed through hole 63. Limiting slide rods 64 are symmetrically arranged and fixedly connected to the two end faces of the adjusting plate 6. The two limiting slide rods 64 are respectively set at both ends of the detection through groove 61.
[0034] The mounting plate 4 has two symmetrical mounting slots 44, each containing a positioning slot plate 2. Positioning slots 21 are formed on the positioning slot plates 2, and two limiting slide rods 64 are respectively fitted into the positioning slots 21 of the two positioning slot plates 2. A bearing seat plate 7 is located on the side end face of the mounting plate 4. A positioning through hole 71 is formed on the bearing seat plate 7, aligned with the positioning slot 21. The positioning through hole 71 is coaxially and fixedly connected to the positioning rod 8. Adjusting the positioning rod 8 can move the limiting slide rod 64, thereby adjusting the position of the portable mechanical performance testing instrument 1 on the adjusting plate 6, facilitating the adjustment of the testing position of the portable mechanical performance testing instrument 1. A fixing through hole 72 is formed on the bearing seat plate 7, which, in conjunction with a fixing screw, allows the bearing seat plate 7 to be mounted on the side end face of the mounting plate 4.
[0035] The mounting plate 4 is symmetrically provided with adjustment slots 45, which are located on both sides of the first detection slot 41. The second fixing through hole 63 of the side convex plate 62 corresponds to the adjustment slot 45 in position. A limit screw 11 is provided between the side convex plate 62 and the mounting plate 4. The threaded end of the limit screw 11 passes through the adjustment slot 45 on the mounting plate 4 and the second fixing through hole 63 on the side convex plate 62. The threaded end of the limit screw 11 is threadedly connected to an adjustment handle 9. The adjustment handle 9 is an adjustable and tight-fitting handle, including a handle and a threaded sleeve. The handle is fixedly connected to the side end of the threaded sleeve. The threaded sleeve is threadedly connected to the threaded end of the limit screw 11. By moving the handle, the tightness of the connection between the threaded sleeve and the limit screw 11 can be adjusted, thereby facilitating the position adjustment of the adjustment plate 6 and the portable mechanical property tester 1, and also facilitating the stable fixation of the adjustment plate 6 and the portable mechanical property tester 1 after position adjustment.
[0036] In some specific embodiments, both the detection channel 41 and the adjustment channel 45 are elongated channels, and the extending directions of the detection channel 41 and the adjustment channel 45 are parallel to the length direction of the limiting slide bar 64, so that the adjustment plate 6 and the portable mechanical property tester 1 can be adjusted in position.
[0037] In some specific embodiments, four arc-shaped blocks 42 are provided. Each arc-shaped block 42 has an arc-shaped pad 3 at its upper end and a magnetic connecting block 5 at its lower end. There are two magnetic blocks 12. The two magnetic blocks 12 cooperate to facilitate the adsorption and fixation of the arc-shaped structure. The lower ends of every two magnetic connecting blocks 5 on the same side are fixedly connected to the upper ends of the magnetic blocks 12. A fixing through hole 52 is provided on the magnetic connecting block 5. The magnetic connecting block 5 and the magnetic block 12 are fixedly connected by fixing bolts through the fixing through hole 52.
[0038] In some specific embodiments, this application is applicable to the testing of specimen 13 of metallic materials.
[0039] Workflow:
[0040] When it is necessary to fix the portable mechanical property testing instrument 1 on the specimen 13, the adjusting screw 10 connecting the arc pad 3, the magnetic connecting block 5, and the arc block 42 can be loosened, so that the arc pad 3 and the magnetic connecting block 5 can slide and adjust along the arc surface of the arc block 42, thereby making the relative angle between the two magnetic blocks 12 adjustable. This facilitates the adsorption and fixation of the arc surface of the specimen 13 of different specifications by the magnetic blocks 12, thus facilitating the fixation of the portable mechanical property testing instrument 1 on the specimen 13, making the testing of the specimen 13 easier, and improving the ease of use of the device. The tightness of the connection between the threaded sleeve and the limiting screw 11 can be adjusted by turning the handle, thereby facilitating the position adjustment of the adjusting plate 6 and the portable mechanical property testing instrument 1, and at the same time, facilitating the stable fixation of the adjusting plate 6 and the portable mechanical property testing instrument 1 after the position adjustment, further improving the ease of use of the device.
[0041] It should be noted that not all steps and modules in the above processes and system structure diagrams are mandatory; some steps or modules can be omitted as needed. The execution order of each step is not fixed and can be adjusted as required. The system structure described in the above embodiments can be a physical structure or a logical structure. That is, some modules may be implemented by the same physical entity, or some modules may be implemented by multiple physical entities, or they may be jointly implemented by certain components in multiple independent devices.
[0042] In the above embodiments, the hardware modules can be implemented mechanically or electrically. The present invention has been described and illustrated in detail above with reference to the accompanying drawings and preferred embodiments. However, the present invention is not limited to these disclosed embodiments. Based on the above embodiments, those skilled in the art will understand that more embodiments of the present invention can be obtained by combining the code review methods in the different embodiments described above, and these embodiments are also within the protection scope of the present invention.
Claims
1. A multi-angle indentation mechanical property testing device for an arc-shaped structure, characterized in that, include: Mounting plate (4), a through-hole (41) is provided on the mounting plate (4), and an arc block (42) is fixedly connected to the mounting plate (4) near the four corners. A long through-hole (43) is provided on the arc block (42). A magnet connecting block (5) is provided on the concave arc surface of the arc block (42). A test piece (13) is provided on the magnet connecting block (5). A magnet block (12) is provided at the lower end of the magnet connecting block (5). A convex arc surface that fits with the concave arc surface of the arc block (42) is provided on the magnet connecting block (5). A circular arc pad (3) is provided on the convex arc surface of the arc block (42). A concave arc surface that fits with the convex arc surface of the arc block (42) is provided on the circular arc pad (3). The adjusting screw (10) has a through hole 1 (31) through the arc pad (3) and a through hole 2 (51) through the magnet connecting block (5). The adjusting screw (10) is threaded through the through hole 1 (31) and the through hole 2 (51). The middle part of the adjusting screw (10) is fitted into the long through groove (43). Adjustment plate (6) is set on mounting plate (4). The adjustment plate (6) has a through-hole detection slot (61) corresponding to the first detection slot (41). A portable mechanical property tester (1) is set on the adjustment plate (6). The detection end of the portable mechanical property tester (1) contacts the specimen (13) through the first detection slot (41) and the second detection slot (61).
2. The multi-angle indentation mechanical property testing device for an arc-shaped structure according to claim 1, characterized in that, Two side protrusions (62) are fixedly connected to the two end faces of the adjusting plate (6). The detection through groove (61) is a long through groove. The two side protrusions (62) are respectively set on both sides of the detection through groove (61). The two side protrusions (62) are respectively provided with fixed through holes (63). Limiting slide rods (64) are symmetrically set and fixedly connected to the two end faces of the adjusting plate (6). The two limiting slide rods (64) are respectively set at both ends of the detection through groove (61).
3. The multi-angle indentation mechanical property testing device for an arc-shaped structure according to claim 2, characterized in that, The mounting plate (4) has two symmetrical mounting slots (44), and each mounting slot (44) has a positioning slot plate (2). The positioning slot plate (2) has a positioning slot (21), and two limiting slide rods (64) are respectively fitted into the positioning slots (21) of the two positioning slot plates (2).
4. The multi-angle indentation mechanical property testing device for an arc-shaped structure according to claim 3, characterized in that, The bearing seat plate (7) is on the side end face of the mounting plate (4). A positioning through hole (71) is provided on the bearing seat plate (7). The positioning through hole (71) is aligned with the positioning groove (21). The positioning through hole (71) is coaxially fixedly connected with the positioning rod (8).
5. The multi-angle indentation mechanical property testing device for an arc-shaped structure according to claim 2, characterized in that, The mounting plate (4) is symmetrically provided with adjustment slots (45). The adjustment slots (45) are located on both sides of the detection slot (41). The fixing through hole (63) of the side convex plate (62) corresponds to the adjustment slots (45) in position. A limit screw (11) is provided between the side convex plate (62) and the mounting plate (4). The threaded end of the limit screw (11) passes through the adjustment slot (45) on the mounting plate (4) and the fixing through hole (63) on the side convex plate (62). The threaded end of the limit screw (11) is threadedly connected to an adjustment handle (9).
6. The multi-angle indentation mechanical property testing device for an arc-shaped structure according to claim 5, characterized in that, The adjusting handle (9) is an adjustable and fixed handle. The adjusting handle (9) includes a handle rod and a threaded sleeve. The handle rod is fixedly connected to the side end of the threaded sleeve, and the threaded sleeve is threadedly connected to the end of the threaded rod of the limiting screw (11).
7. The multi-angle indentation mechanical property testing device for an arc-shaped structure according to claim 1, characterized in that, Both the detection channel (41) and the adjustment channel (45) are elongated channels.
8. The multi-angle indentation mechanical property testing device for an arc-shaped structure according to claim 1, characterized in that, There are four arc-shaped blocks (42) and two magnet blocks (12).