Snake bone multi-dimensional failure test tool
The snake-bone multi-dimensional failure testing fixture, which integrates bending, torsion, straight torsion, and lateral strength testing components, solves the problems of poor equipment adaptability and low testing efficiency in existing technologies, and realizes efficient operation of multi-dimensional testing on a single device.
Patent Information
- Application Number
- CN202423319338.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In the existing technology, the performance testing equipment for snake bones has poor adaptability and the testing process is cumbersome, making it difficult to achieve multi-dimensional failure testing on a single device, resulting in low testing efficiency.
A multi-dimensional failure testing fixture for snake bones is designed, integrating bending and torsion testing components, straight torsion testing components, and lateral strength testing components into one unit. Through multiple positioning components, multi-dimensional testing of snake bones can be achieved on the frame, allowing bending, torsion, straight torsion, and lateral strength tests to be performed on the same equipment.
It improves the adaptability and efficiency of the testing equipment, enabling multi-dimensional failure testing to be completed on a single device, simplifying the positioning operation of the snake skeleton, and reducing the steps of disassembly and reinstallation.
Smart Images
Figure CN223756516U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to test technical field, concretely relates to a snake bone multidimensional failure test frock. BACKGROUND
[0002] The snake bone is the bending and guiding part of the front end of the endoscope probe, and is the key component for enabling the endoscope probe to freely bend and turn in a narrow and complex space. The snake bone needs to be sufficiently strong while being highly flexible to resist various stresses that may be encountered during use. Therefore, when producing and manufacturing the snake bone, the snake bone needs to be tested for bending and torsion, straight torsion, and transverse strength failure. In the prior art, only one performance test can be performed by one device, which has poor adaptability. Moreover, after completing a certain performance test, the snake bone needs to be completely disassembled from the device and repositioned and installed on another device for testing the next performance, which is relatively cumbersome to operate and has low testing efficiency. SUMMARY
[0003] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a snake bone multidimensional failure test frock, which can improve the adaptability and testing efficiency of the test frock.
[0004] To solve the above problems, the technical scheme adopted by the utility model is as follows: a snake bone multidimensional failure test frock, comprising a rack and a bending and torsion test assembly, a straight torsion test assembly, and a transverse strength test assembly arranged on the rack; the rack is provided with a first positioning assembly for positioning and connecting the first end of the snake bone; the bending and torsion test assembly comprises a second positioning assembly for positioning and connecting the second end of the snake bone during bending and torsion test; the straight torsion test assembly comprises a third positioning assembly for positioning and connecting the second end of the snake bone during straight torsion test; and the transverse strength test assembly comprises a fourth positioning assembly for positioning and connecting the second end of the snake bone during transverse strength test.
[0005] Compared with the prior art, the utility model discloses the beneficial effect lies in: this test tool is provided with the bending -twisting test subassembly, straight -twisting test subassembly and transverse strength test subassembly on the rack. When bending -twisting test is carried out, the first end and the second end of the snake bone are positioned and connected on the first positioning assembly and the second positioning assembly respectively, and the bending -twisting test subassembly is bent to the snake bone and is twisted and tested, when straight -twisting test is carried out, the first end and the second end of the snake bone are positioned and connected on the first positioning assembly and the third positioning assembly respectively, and the straight -twisting test subassembly is bent to the snake bone and is twisted and tested, when transverse strength test is carried out, the first end and the second end of the snake bone are positioned and connected on the first positioning assembly and the fourth positioning assembly respectively, and the transverse strength test subassembly is bent to the snake bone and is twisted and tested. Therefore, this test tool can carry out bending -twisting test, straight -twisting test and transverse strength test to the snake bone on one equipment, realizes the multidimensional failure test of the snake bone, improves the adaptability of test tool, only needs to reposition the second end of the snake bone in the process of testing, does not need to completely dismount the snake bone from the test tool and reposition, improves the test efficiency.
[0006] The snake bone multidimensional failure test tool, the first positioning assembly includes a first positioning seat and a first bolt, the first positioning seat is used for positioning and placing the first end of the snake bone, and the first bolt can be sequentially inserted into a first side of the first positioning seat, the first end of the snake bone and a second side of the first positioning seat to position and connect the first end of the snake bone on the first positioning seat.
[0007] The snake bone multidimensional failure test tool, the bending -twisting test subassembly further includes a first slider and a second slider, the first slider is slidably connected to the rack along an X axis, the second slider is slidably connected to the first slider along a Y axis, and the second positioning assembly is connected to the second slider.
[0008] The snake bone multidimensional failure test tool, the second positioning assembly includes a second positioning seat and a second bolt, the second positioning seat is used for positioning and placing the second end of the snake bone, and the second bolt can be sequentially inserted into a first side of the second positioning seat, the second end of the snake bone and a second side of the second positioning seat to position and connect the second end of the snake bone on the second positioning seat.
[0009] The snake bone multidimensional failure test tool, the straight -twisting test subassembly further includes a torsion meter, a third slider and a fourth slider, the first positioning seat is fixedly connected to an end of the torsion meter, the third slider is slidably connected to the rack along an X axis, the fourth slider is slidably connected to the third slider along a Z axis, and the third positioning assembly is connected to the fourth slider.
[0010] The third positioning assembly comprises a third positioning seat and a third latch, the third positioning seat is used for positioning the second end of the snake bone, and the third latch can be sequentially inserted into the first side of the third positioning seat, the second end of the snake bone and the second side of the third positioning seat, so that the second end of the snake bone is positioned and connected on the third positioning seat.
[0011] The fourth positioning assembly comprises an upper clamping plate and a lower clamping plate, and the upper clamping plate and the lower clamping plate can approach or move away from each other to clamp or release the second end of the snake bone.
[0012] The transverse strength test assembly further comprises a dynamometer, the dynamometer is movably connected to the rack along the Y axis, and the end of the dynamometer is connected to the second end of the snake bone through a steel wire.
[0013] The rack is provided with a ball screw mechanism, and the dynamometer is fixedly connected to the ball screw mechanism.
[0014] The third positioning assembly and the fourth positioning assembly are distributed along the Z axis.
[0015] The utility model will be further explained in detail in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is whole structural schematic view of test tool of embodiment of the utility model;
[0017] Figure 2 It is structural schematic view when test assembly of bending and torsion of embodiment of the utility model carries out test;
[0018] Figure 3 It is structural schematic view when straight torsion test assembly of embodiment of the utility model carries out test;
[0019] Figure 4 It is structural schematic view when transverse strength test assembly of embodiment of the utility model carries out test;
[0020] Figure 5 It is Figure 4 Structural schematic view of the structure hidden after the upper clamping plate of the structure shown.
[0021] Explanation of reference numerals: 100 rack, 110 first positioning assembly, 111 first positioning seat, 112 first latch, 200 bending and torsion test assembly, 210 second positioning assembly, 211 second positioning seat, 212 second latch, 220 first slider, 230 second slider, 300 straight torsion test assembly, 310 third positioning assembly, 311 third positioning seat, 312 third latch, 320 torsion meter, 330 third slider, 340 fourth slider, 400 transverse strength test assembly, 410 fourth positioning assembly, 411 upper clamping plate, 412 lower clamping plate, 420 tension meter, 430 ball screw mechanism, 440 steel wire, 500 snake bone. DETAILED DESCRIPTION
[0022] The embodiments of the utility model are described in detail below, with reference to Figures 1 to 5 The embodiments of the utility model provide a snake bone multidimensional failure test tool, including rack 100 and bending and torsion test assembly 200, straight torsion test assembly 300 and transverse strength test assembly 400 that are arranged on rack 100, and the bending and torsion test assembly 200 includes second positioning assembly 210, and the second positioning assembly 210 is used for positioning and connecting the second end of snake bone 500 when carrying out bending and torsion test, and the straight torsion test assembly 300 includes third positioning assembly 310, and the third positioning assembly 310 is used for positioning and connecting the second end of snake bone 500 when carrying out straight torsion test, and the transverse strength test assembly 400 includes fourth positioning assembly 410, and the fourth positioning assembly 410 is used for positioning and connecting the second end of snake bone 500 when carrying out transverse strength test.
[0023] The test tool is provided with bending and torsion test assembly 200, straight torsion test assembly 300 and transverse strength test assembly 400 on rack 100. Figure 2 When carrying out bending and torsion test, the first end and the second end of snake bone 500 are positioned and connected on first positioning assembly 110 and second positioning assembly 210 respectively, and bending and torsion test assembly 200 is used to carry out bending and torsion test on snake bone 500. Figure 3 When carrying out straight torsion test, the first end and the second end of snake bone 500 are positioned and connected on first positioning assembly 110 and third positioning assembly 310 respectively, and straight torsion test assembly 300 is used to carry out straight torsion test on snake bone 500. Figure 4 and Figure 5When the transverse strength test is performed, the first end and the second end of the snake bone 500 are positioned and connected on the first positioning assembly 110 and the fourth positioning assembly 410 respectively, and the transverse strength test of the snake bone 500 is performed by the transverse strength test assembly 400. Therefore, the test tool can perform the bending and torsion test, the straight torsion test and the transverse strength test of the snake bone 500 on one device, realizes the multi-dimensional failure test of the snake bone 500, improves the adaptability of the test tool, and only needs to reposition the second end of the snake bone 500 in the test process, without completely dismounting and repositioning the snake bone 500 from the test tool, thereby improving the test efficiency.
[0024] Further, referring to Figure 2 , the first positioning assembly 110 includes a first positioning seat 111 and a first plug 112, the first positioning seat 111 is used for positioning and placing the first end of the snake bone 500, and the first plug 112 can be sequentially plugged into the first side of the first positioning seat 111, the first end of the snake bone 500 and the second side of the first positioning seat 111, so as to position and connect the first end of the snake bone 500 on the first positioning seat 111. Continue to refer to Figure 2 , the bending and torsion test assembly 200 further includes a first sliding block 220 and a second sliding block 230, the first sliding block 220 is slidably connected to the rack 100 along the X axis, the second sliding block 230 is slidably connected to the first sliding block 220 along the Y axis, and the second positioning assembly 210 is connected to the second sliding block 230. The second positioning assembly 210 includes a second positioning seat 211 and a second plug 212, the second positioning seat 211 is used for positioning and placing the second end of the snake bone 500, and the second plug 212 can be sequentially plugged into the first side of the second positioning seat 211, the second end of the snake bone 500 and the second side of the second positioning seat 211, so as to position and connect the second end of the snake bone 500 on the second positioning seat 211. When the bending and torsion test is performed, the second end of the snake bone 500 is placed into the second positioning seat 211, and the second plug 212 is inserted, at this time, the two ends of the snake bone 500 are positioned and connected on the first positioning seat 111 and the second positioning seat 211 respectively, the first sliding block 220 is slid along the X axis, which can drive the second end of the snake bone 500 to move along the X axis, the second sliding block 230 is slid along the Y axis towards the direction of the first positioning seat 111, which can bend and twist the snake bone 500, and the test of the bending and torsion performance of the snake bone 500 is realized.
[0025] Further, referring to Figure 3The straight-torsion test assembly 300 further comprises a torsion meter 320, a third sliding block 330 and a fourth sliding block 340; the first positioning seat 111 is fixedly connected to an end of the torsion meter 320; the third sliding block 330 is slidably connected to the rack 100 along the X axis, the fourth sliding block 340 is slidably connected to the third sliding block 330 along the Z axis, and the third positioning assembly 310 is connected to the fourth sliding block 340. The third positioning assembly 310 comprises a third positioning seat 311 and a third latch 312; the third positioning seat 311 is used for positioning the second end of the snake bone 500; the third latch 312 can be sequentially inserted into the first side of the third positioning seat 311, the second end of the snake bone 500 and the second side of the third positioning seat 311, so as to positionally connect the second end of the snake bone 500 to the third positioning seat 311. When the straight-torsion test is performed, the second end of the snake bone 500 is detached from the second positioning seat 211, while the first end of the snake bone 500 remains unchanged and does not need to be detached. The third sliding block 330 is moved along the X axis, and the fourth sliding block 340 is moved along the Z axis, so that the third positioning seat 311 is moved to a position corresponding to the first positioning seat 111; the second end of the snake bone 500 is placed into the third positioning seat 311, and the third latch 312 is inserted; at this time, the two ends of the snake bone 500 are respectively positioned and connected to the first positioning seat 111 and the third positioning seat 311; the torsion meter 320 is rotated, the snake bone 500 can be straight-torsioned, and the straight-torsion performance of the snake bone 500 can be tested.
[0026] Further, with reference to Figure 4 and Figure 5The third positioning assembly 310 and the fourth positioning assembly 410 are distributed along the Z axis, and the fourth positioning assembly 410 is connected to the fourth slider 340, so that when the fourth slider 340 slides along the Z axis direction, the third positioning assembly 310 and the fourth positioning assembly 410 can be driven to move along the Z axis direction, thereby adjusting the vertical height of the third positioning assembly 310 and the fourth positioning assembly 410. The fourth positioning assembly 410 comprises an upper clamping plate 411 and a lower clamping plate 412, and the upper clamping plate 411 and the lower clamping plate 412 can approach or move away from each other to clamp or release the second end of the serpentine bone 500. The transverse strength test assembly 400 further comprises a tension meter 420, and a ball screw mechanism 430 is arranged on the rack 100, and the tension meter 420 is fixedly connected to the ball screw mechanism 430, and the end of the tension meter 420 is connected to the second end of the serpentine bone 500 through a steel wire 440. When the transverse strength test is carried out, the second end of the serpentine bone 500 is detached from the third positioning seat 311, and the first end of the serpentine bone 500 is fixedly connected. The upper clamping plate 411 and the lower clamping plate 412 are moved away from each other, and the second end of the serpentine bone 500 is placed between the upper clamping plate 411 and the lower clamping plate 412, the steel wire 440 on the tension meter 420 is connected to the second end of the serpentine bone 500, and the upper clamping plate 411 and the lower clamping plate 412 are moved close to each other and clamp the second end of the serpentine bone 500. Rotate the ball screw mechanism 430, and the tension meter 420 retreats in the direction away from the serpentine bone 500, so as to realize the test on the transverse strength performance of the serpentine bone 500.
[0027] It should be noted that, in the description of the utility model, if there are some direction descriptions, such as the direction or position relation indicated by up, down, front, back, left, right etc., all are based on the direction or position relation shown in the drawing, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as the limitation of the utility model.
[0028] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is two and more than two, greater than, less than, more than etc. are understood as not including the number, above, below, within etc. are understood as including the number. If there is a description of first or second etc., it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.
[0029] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing, connecting etc. should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.
[0030] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application. Any non-essential changes and replacements made by those skilled in the art on the basis of the present application shall fall within the scope of protection of the present application.
Claims
1. A serpentine multi-dimension failure test fixture, characterized in that, The rack (100) and the bending and torsion test assembly (200), the straight and torsion test assembly (300) and the transverse strength test assembly (400) arranged on the rack (100); The first positioning assembly (110) is arranged on the rack (100) and used for positioning the first end of the snake bone (500); The bending and torsion test assembly (200) comprises a second positioning assembly (210) used for positioning the second end of the snake bone (500) during the bending and torsion test; The straight and torsion test assembly (300) comprises a third positioning assembly (310) used for positioning the second end of the snake bone (500) during the straight and torsion test; The transverse strength test assembly (400) comprises a fourth positioning assembly (410) used for positioning the second end of the snake bone (500) during the transverse strength test.
2. The serpentine bone multi-dimensional failure test fixture of claim 1, wherein, The first positioning assembly (110) comprises a first positioning seat (111) used for positioning the first end of the snake bone (500) and a first latch (112) capable of sequentially inserting the first side of the first positioning seat (111), the first end of the snake bone (500) and the second side of the first positioning seat (111) to position and connect the first end of the snake bone (500) to the first positioning seat (111).
3. The serpentine bone multi-dimensional failure test fixture of claim 2, wherein, The bending and torsion test assembly (200) further comprises a first sliding block (220) and a second sliding block (230), wherein the first sliding block (220) is slidably connected to the rack (100) along the X-axis, the second sliding block (230) is slidably connected to the first sliding block (220) along the Y-axis, and the second positioning assembly (210) is connected to the second sliding block (230).
4. The serpentine bone multi-dimensional failure test fixture of claim 3, wherein, The second positioning assembly (210) comprises a second positioning seat (211) used for positioning the second end of the snake bone (500) and a second latch (212) capable of sequentially inserting the first side of the second positioning seat (211), the second end of the snake bone (500) and the second side of the second positioning seat (211) to position and connect the second end of the snake bone (500) to the second positioning seat (211).
5. The serpentine bone multi-dimensional failure test fixture of claim 2, wherein, The straight and torsion test assembly (300) further comprises a torsion meter (320), a third sliding block (330) and a fourth sliding block (340); The first positioning seat (111) is fixedly connected to the end of the torsion meter (320); The third sliding block (330) is slidably connected to the rack (100) along the X-axis, the fourth sliding block (340) is slidably connected to the third sliding block (330) along the Z-axis, and the third positioning assembly (310) is connected to the fourth sliding block (340).
6. The serpentine bone multi-dimensional failure test fixture of claim 5, wherein, The third positioning assembly (310) comprises a third positioning seat (311) for positioning the second end of the snake bone (500) and a third latch (312) capable of being sequentially inserted into the first side of the third positioning seat (311), the second end of the snake bone (500) and the second side of the third positioning seat (311) to position and connect the second end of the snake bone (500) on the third positioning seat (311).
7. The serpentine bone multi-dimensional failure test fixture of claim 2, wherein, The fourth positioning assembly (410) comprises an upper clamping plate (411) and a lower clamping plate (412) capable of moving towards or away from each other to clamp or release the second end of the snake bone (500).
8. The serpentine bone multi-dimensional failure test fixture of claim 7, wherein, The transverse strength test assembly (400) further comprises a dynamometer (420) movably connected to the rack (100) along the Y axis, and the end of the dynamometer (420) is connected to the second end of the snake bone (500) through a steel wire (440).
9. The serpentine bone multi-dimensional failure test fixture of claim 8, wherein, The rack (100) is provided with a ball screw mechanism (430), and the dynamometer (420) is fixedly connected to the ball screw mechanism (430).
10. The serpentine bone multi-dimensional failure test fixture of claim 1, wherein, The third positioning assembly (310) and the fourth positioning assembly (410) are distributed along the Z axis.