CN112254974A - Three-dimensional adjustable strength test device - Google Patents
Three-dimensional adjustable strength test device Download PDFInfo
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- CN112254974A CN112254974A CN201910661076.1A CN201910661076A CN112254974A CN 112254974 A CN112254974 A CN 112254974A CN 201910661076 A CN201910661076 A CN 201910661076A CN 112254974 A CN112254974 A CN 112254974A
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- angle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a three-dimensional adjustable strength testing device which comprises a clamp support, an XY angle adjusting support assembly, a YZ angle adjusting support assembly, a powerful guide ring and a braid fixing piece XY angle adjusting support assembly, wherein the XY angle adjusting support assembly is rotatably arranged on the clamp support and used for adjusting any angle in an XY plane, the YZ angle adjusting support assembly is rotatably arranged on the XY angle adjusting support assembly and used for adjusting any angle in the YZ plane, the powerful guide ring and the braid fixing piece are arranged on the YZ angle adjusting support assembly and used for connecting a fixed point between a braid stretched by the braid fixing piece and a tensile machine during measurement so as to effectively measure the strength value of a product to be measured. The invention can adapt to different standards to accurately position the workpiece by combining any angle, can be quickly adjusted, has the testing angle close to the standard requirement, and has high precision, easy setting and good repeatability.
Description
Technical Field
The invention relates to the technical field of strength testing of automobile safety belt parts, in particular to a three-dimensional adjustable strength testing device.
Background
Seat belts are one of the important occupant protection and restraint system devices and play an important role in reducing the level of occupant injury during a crash event. Along with the great improvement of the utilization rate of the safety belt, the casualty rate of passengers in an accident is reduced. Statistical data show that the casualty rate of the members in the collision accident is reduced by 15-30% by wearing the safety belt.
At present, parts of a safety belt part, such as a height adjuster, a guide ring, a metal end piece and the like, are strength pieces, and the static tensile strength of the parts needs to be tested in the design and production processes for simulating the installation state of a real vehicle. Because the installation state of the real vehicle is the three-dimensional angle state, the real vehicle is difficult to accurately grasp when being converted to a tensile testing machine for testing, and the repeatability is poor.
Regarding the static strength test of the height adjuster, the test is required to be carried out under the most unfavorable state according to the installation state of the real vehicle in relevant national standards, if different angle combinations are realized on a tensile testing machine, a special clamp is required to fix a sample piece, and the installation angle is adjustable. Therefore, it is highly desirable to provide a three-dimensional adjustable strength testing apparatus, which can accurately position a workpiece to be tested in a three-dimensional state.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a three-dimensional adjustable strength testing device which can realize the accurate positioning of a workpiece to be tested in a three-dimensional state.
The invention provides a three-dimensional adjustable strength testing device which comprises a clamp support, an XY angle adjusting support assembly, a YZ angle adjusting support assembly, a powerful guide ring and a braid fixing piece, wherein the clamp support is arranged on a clamp base, the XY angle adjusting support assembly is rotatably arranged on the clamp support and is used for adjusting any angle in an XY plane, the YZ angle adjusting support assembly is rotatably arranged on the XY angle adjusting support assembly and is used for adjusting any angle in a YZ plane, the powerful guide ring and the braid fixing piece are arranged on the YZ angle adjusting support assembly and are used for connecting a fixing point between a braid stretched by the braid fixing piece and a tensile machine during measurement so as to effectively measure the strength value of a product to be measured.
Preferably, XY angle adjusting bracket component includes frame, first arc curb plate, second arc curb plate, XY angle rotation bolt and XY angle adjusting bolt, the frame is the rectangle structure, first arc curb plate and second arc curb plate are symmetrical semi-circular structure, locate respectively the front below and the back below position of frame, a plurality of regulation holes of evenly distributed on first arc curb plate and the second arc curb plate, insert XY angle adjusting bolt in the regulation hole in order to realize setting for the regulation of required angle, XY angle rotation bolt is two, locates in the shaft hole in the middle of the frame respectively to realize the regulation of the arbitrary angle of frame in the XY plane.
Preferably, the adjusting holes are distributed in two rows and evenly distributed on the first arc-shaped side plate and the second arc-shaped side plate.
Preferably, the number of the XY angle adjusting bolts is two, and the two XY angle adjusting bolts are respectively inserted into the adjusting holes of the first arc-shaped side plate and the adjusting holes of the second arc-shaped side plate.
Preferably, YZ angle modulation bracket component includes bottom plate, third arc curb plate, fourth arc curb plate, bar spout, first set nut, second set nut, YZ angle of rotation bolt and YZ angle modulation bolt, the bottom plate rectangular structure is equipped with the bar spout in the middle of it, be equipped with the first set nut and the second set nut that are used for fixed measurement work piece and powerful guide ring in the bar spout, the left and right sides of bottom plate is located respectively to third arc curb plate and fourth arc curb plate, and distributes and have a plurality of regulation holes, the regulation hole is set for in order to realize the regulation to required angle through inserting YZ angle modulation bolt, third arc curb plate and fourth arc curb plate pass through the rotatable fixing of YZ angle of rotation bolt on the frame.
Preferably, the third arc-shaped side plate and the fourth arc-shaped side plate are of symmetrical semicircular structures.
Preferably, the length of the bottom plate is equal to that of the inner frame of the frame, and the diameters of the third arc-shaped side plate and the fourth arc-shaped side plate are slightly smaller than the width of the inner frame of the frame.
Preferably, the third arc-shaped side plate and the fourth arc-shaped side plate are distributed with single-row adjusting holes.
Preferably, the first positioning nut and the second positioning nut both comprise a stud and a nut, the end of the stud is provided with a square step and can freely slide along the strip-shaped sliding groove, and the nut is fixedly connected with the stud in a threaded manner.
Preferably, the webbing fixing piece is fixed to the YZ angle adjusting bracket assembly by a fixing piece bolt.
The technical scheme provided by the invention has the beneficial effects that: the XY angle adjusting bracket component can be used for adjusting any angle in the XY plane of the workpiece to be measured, and the YZ angle adjusting bracket component can be used for adjusting any angle in the YZ plane of the workpiece to be measured.
Drawings
In order to more clearly illustrate the technical solutions in the patent of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of a three-dimensional adjustable strength testing device provided by the present invention;
FIG. 2 is a schematic structural view of an XY angle adjusting bracket assembly provided by the present invention;
FIG. 3 is a schematic structural view of a YZ angle adjusting bracket assembly provided by the present invention;
FIG. 4 is a schematic structural view of a first positioning nut provided by the present invention;
FIG. 5 is a schematic structural view of a power guide ring provided in the present invention;
FIG. 6 is a perspective view of a three-dimensional adjustable strength testing apparatus provided by the present invention;
FIG. 7 is a test angle view of the present invention at an angle α to the length of a test sample;
FIG. 8 is a test angle view of the present invention at an angle β to the cross-sectional plane of a test sample;
fig. 9 is a view showing the installation angle of the strength testing apparatus according to the present invention.
Detailed Description
In order to make the contents of the present invention more comprehensible, the present invention is further described below with reference to the accompanying drawings. The invention is of course not limited to this particular embodiment, and general alternatives known to those skilled in the art are also covered by the scope of the invention. The present invention is described in detail with reference to the drawings, and the drawings are not to be considered as limiting the invention, but are enlarged partially in accordance with the general scale for convenience of explanation.
The above and other technical features and advantages will be described in detail with reference to the embodiments and the accompanying drawings. As shown in the drawings, fig. 1 is a schematic view of the overall structure of the three-dimensional adjustable strength testing device provided by the invention; FIG. 2 is a schematic structural view of an XY angle adjusting bracket assembly provided by the present invention; FIG. 3 is a schematic structural view of a YZ angle adjusting bracket assembly provided by the present invention; FIG. 4 is a schematic structural view of a first positioning nut provided by the present invention; FIG. 5 is a schematic structural view of a power guide ring provided in the present invention; FIG. 6 is a perspective view of a three-dimensional adjustable strength testing apparatus provided by the present invention; FIG. 7 is a test angle view of the present invention at an angle α to the length of a test sample; FIG. 8 is a test angle view of the present invention at an angle β to the cross-sectional plane of a test sample; fig. 9 is a view showing the installation angle of the strength testing apparatus according to the present invention.
As shown in fig. 1, 4 and 5, the present invention provides a three-dimensional adjustable strength testing apparatus, which comprises a jig support 100, an XY angle adjusting bracket assembly 200, a YZ angle adjusting bracket assembly 300, a strong guide ring 400 and a webbing fixing piece 500, wherein the jig support 100 is mounted on a jig base, the XY angle adjusting bracket assembly 200 is rotatably mounted on the jig support 100, for any angle adjustment in the XY plane, the YZ angle adjusting bracket assembly 300 can be rotatably arranged on the XY angle adjusting bracket assembly 200, used for any angle adjustment in a YZ plane, the strong guide ring 400 and the mesh belt fixing piece 500 are arranged on the YZ angle adjusting bracket component 300, the fixed point between the tensile meshbelt of meshbelt stationary blade and the pulling force machine is connected for measuring to effectively measure the intensity value of the product that awaits measuring, meshbelt stationary blade 500 passes through stationary blade bolt 51 to be fixed on YZ angle modulation bracket component.
As shown in fig. 2, the XY angle adjusting bracket assembly 200 includes a frame 21, a first arc-shaped side plate 22, a second arc-shaped side plate 23, XY angle rotation bolts 24 and XY angle adjusting bolts 25, the frame 21 is a rectangular structure, the first arc-shaped side plate 22 and the second arc-shaped side plate 23 are symmetrical semicircular structures, and are respectively disposed at the front lower position and the rear lower position of the frame 21, a plurality of adjusting holes are uniformly distributed on the first arc-shaped side plate 22 and the second arc-shaped side plate 23, the XY angle adjusting bolts 24 are inserted into the adjusting holes to realize the adjustment setting of the required angle, the XY angle rotation bolts 24 are two and are respectively disposed in the shaft holes in the middle of the frame 21, so as to realize the adjustment of any angle of the frame in the XY plane.
Specifically, in this embodiment, the two rows of the adjusting holes are uniformly distributed on the first arc-shaped side plate 22 and the second arc-shaped side plate 23; two XY angle adjusting bolts 25 are inserted into the adjusting holes of the first arc-shaped side plate 22 and the second arc-shaped side plate 23, respectively.
As shown in fig. 3, the YZ angle adjusting bracket assembly 300 includes a bottom plate 31, a third arc side plate 32, a fourth arc side plate 33, a bar-shaped sliding groove 34, a first positioning nut 35, a second positioning nut 36, a YZ angle rotating bolt 37 and a YZ angle adjusting bolt 38, the bottom plate 31 is of a rectangular structure, the bar-shaped sliding groove 34 is formed in the middle of the bottom plate, the first positioning nut 35 and the second positioning nut 36 for fixing the measuring workpiece and the powerful guide ring 400 are arranged in the bar-shaped sliding groove 34, the third arc side plate 32 and the fourth arc side plate 33 are respectively arranged on the left side and the right side of the bottom plate 31, and a plurality of adjusting holes are distributed, the adjusting holes are used for adjusting and setting the required angle by inserting the YZ angle adjusting bolt 38, and the third arc side plate 32 and the fourth arc side plate 33 are rotatably fixed on the frame 21 by the y.
Specifically, in this embodiment, the third arc-shaped side plate 32 and the fourth arc-shaped side plate 33 are symmetrical semicircular structures, the length of the bottom plate 31 is equal to the length of the inner frame of the frame 21, the diameters of the third arc-shaped side plate 32 and the fourth arc-shaped side plate 33 are slightly smaller than the width of the inner frame of the frame 21, and the third arc-shaped side plate 32 and the fourth arc-shaped side plate 33 are distributed with a single row of adjusting holes.
As shown in fig. 4, each of the first positioning nut 35 and the second positioning nut 36 includes a stud 351 and a nut 352, the end of the stud 351 has a square step and can freely slide along the bar-shaped sliding groove 34, and the nut 352 is fixedly connected to the stud 351 by a screw thread.
As shown in fig. 7 to 9, the strength testing apparatus in this embodiment is simulated by 3D software, and then converted into a fixture angle adjustment for workpiece installation, and the specific conversion process is shown in the following drawings:
1) in three-dimensional software, finding the direction of resultant force F for a test sample piece 13 according to OEM related standards, and requiring F to simultaneously meet the requirement that an angle alpha is formed in the length direction of the test piece and an angle b is formed in the cross section direction;
2) making a solid plate plane in the direction vertical to the F, wherein the solid plate plane is equal to the bottom plane of the clamp support;
3) making a solid plane, wherein an angle A is formed between the solid plane and the solid plane, but the side edge of the solid plane is equal to the side plane of the length direction of the workpiece to be measured; the angle A is equal to the angle required to be set by the XY angle adjusting bracket component;
4) making a solid plane, rotating the solid plane by an angle B with the solid plane in the step 3, and attaching the solid plane to the bottom surface of the workpiece to be measured; the angle B is equal to a test angle required to be set by the YZ angle adjusting bracket assembly;
5) the strong guide ring is fixed on a workpiece to be tested, and the fixture and the woven belt are fixed according to requirements, namely the setting before testing is completed.
In conclusion, the XY angle adjusting bracket assembly can be used for adjusting any angle in the XY plane of the workpiece to be measured, the YZ angle adjusting bracket assembly can be used for adjusting any angle in the YZ plane of the workpiece to be measured, the XY angle adjusting bracket assembly can be suitable for different standards to accurately position the workpiece by combining any angles, the XY angle adjusting bracket assembly can be quickly adjusted, the test angle is close to the standard requirement, and the XY angle adjusting bracket assembly is high in precision, easy to set and good in repeatability.
Although the present invention has been described mainly in the above embodiments, it is described as an example only and the present invention is not limited thereto. Numerous modifications and applications will occur to those skilled in the art without departing from the essential characteristics of the embodiments. For example, each of the components detailed for the embodiments may be modified and operated, and the differences associated with the variants and applications may be considered to be included within the scope of protection of the invention as defined by the following claims.
Reference in the specification to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the purview of one skilled in the art to effect such feature, structure, or characteristic in connection with other ones of the embodiments.
Claims (10)
1. The utility model provides a three-dimensional adjustable strength test device, its characterized in that, includes anchor clamps support, XY angle modulation bracket component, YZ angle modulation bracket component, powerful guide ring and meshbelt stationary blade, anchor clamps bearing installation is on the anchor clamps base, the rotatable installation of XY angle modulation bracket component is in on the anchor clamps support for arbitrary angular adjustment in the XY plane, the rotatable installation of YZ angle modulation bracket component is in on the XY angle modulation bracket component for arbitrary angular adjustment in the YZ plane, powerful guide ring and meshbelt stationary blade are installed on the YZ angle modulation bracket component for fixed point connection between the tensile meshbelt of meshbelt stationary blade and the pulling force machine during the measurement to effectively measure the intensity value of the product that awaits measuring.
2. The three-dimensional adjustable strength testing device according to claim 1, wherein the XY-angle adjusting bracket assembly comprises a frame, a first arc-shaped side plate, a second arc-shaped side plate, XY-angle rotating bolts and XY-angle adjusting bolts, the frame is of a rectangular structure, the first arc-shaped side plate and the second arc-shaped side plate are of symmetrical semicircular structures and are respectively arranged at the front lower position and the rear lower position of the frame, a plurality of adjusting holes are uniformly distributed on the first arc-shaped side plate and the second arc-shaped side plate, the XY-angle adjusting bolts are inserted into the adjusting holes to realize the adjustment setting of the required angle, and the XY-angle rotating bolts are two and are respectively arranged in shaft holes in the middle of the frame to realize the adjustment of any angle of the frame in the XY plane.
3. The three-dimensional adjustable strength testing device of claim 2, wherein the adjusting holes are arranged in two rows and evenly distributed on the first arc-shaped side plate and the second arc-shaped side plate.
4. The three-dimensional adjustable strength testing device according to claim 2, wherein the number of the XY-angle adjusting bolts is two, and the two XY-angle adjusting bolts are respectively inserted into the adjusting holes of the first arc-shaped side plate and the adjusting holes of the second arc-shaped side plate.
5. The three-dimensionally adjustable strength testing device according to claim 3, wherein the YZ angle adjusting bracket assembly comprises a bottom plate, a third arc-shaped side plate, a fourth arc-shaped side plate, a strip-shaped chute, a first positioning nut, a second positioning nut, a YZ angle rotating bolt and a YZ angle adjusting bolt, the bottom plate is of a rectangular structure, a strip-shaped sliding chute is arranged in the middle of the bottom plate, a first positioning nut and a second positioning nut for fixing a measuring workpiece and a strong guide ring are arranged in the strip-shaped sliding chute, a third arc-shaped side plate and a fourth arc-shaped side plate are respectively arranged at the left side and the right side of the bottom plate, and a plurality of adjusting holes are distributed, the adjusting holes realize the adjustment and setting of the required angle by inserting YZ angle adjusting bolts, the third arc-shaped side plate and the fourth arc-shaped side plate are rotatably fixed on the frame through YZ-angle rotating bolts.
6. The three-dimensionally adjustable strength testing device according to claim 5, wherein said third and fourth arcuate side plates are of symmetrical semi-circular configuration.
7. The three-dimensionally adjustable strength testing device according to claim 5, wherein the bottom plate has a length equal to a length of the inner frame of the frame, and the diameters of the third and fourth arcuate side plates are slightly smaller than a width of the inner frame of the frame.
8. The three-dimensional adjustable strength testing device of claim 5, wherein the third arc-shaped side plate and the fourth arc-shaped side plate are distributed with a single row of adjusting holes.
9. The three-dimensional adjustable strength testing device as claimed in claim 5, wherein the first positioning nut and the second positioning nut each comprise a stud and a nut, the end of the stud has a square step and can freely slide along the strip-shaped sliding groove, and the nut is fixedly connected with the stud through threads.
10. The three-dimensionally adjustable strength testing device according to claim 1, wherein the webbing securing pieces are fixed to the YZ angle adjusting bracket assembly by securing pieces bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910661076.1A CN112254974A (en) | 2019-07-22 | 2019-07-22 | Three-dimensional adjustable strength test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910661076.1A CN112254974A (en) | 2019-07-22 | 2019-07-22 | Three-dimensional adjustable strength test device |
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| Publication Number | Publication Date |
|---|---|
| CN112254974A true CN112254974A (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910661076.1A Pending CN112254974A (en) | 2019-07-22 | 2019-07-22 | Three-dimensional adjustable strength test device |
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| CN (1) | CN112254974A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390644A (en) * | 2021-08-17 | 2021-09-14 | 山东交通学院 | Combined shock wave reflection regulation experimental device for constant volume bomb |
| CN114858703A (en) * | 2022-04-21 | 2022-08-05 | 武汉大学 | Peeling strength testing device |
-
2019
- 2019-07-22 CN CN201910661076.1A patent/CN112254974A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390644A (en) * | 2021-08-17 | 2021-09-14 | 山东交通学院 | Combined shock wave reflection regulation experimental device for constant volume bomb |
| CN114858703A (en) * | 2022-04-21 | 2022-08-05 | 武汉大学 | Peeling strength testing device |
| CN114858703B (en) * | 2022-04-21 | 2023-06-16 | 武汉大学 | Peeling strength testing device |
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