CN110736579A - compression force tester under tight exercise protection - Google Patents
compression force tester under tight exercise protection Download PDFInfo
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- CN110736579A CN110736579A CN201911146439.4A CN201911146439A CN110736579A CN 110736579 A CN110736579 A CN 110736579A CN 201911146439 A CN201911146439 A CN 201911146439A CN 110736579 A CN110736579 A CN 110736579A
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- linkage
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- adjusting plates
- slide block
- slider
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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- General Physics & Mathematics (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention relates to an tight-fitting motion protection lower-mounted compression force tester which is characterized by comprising two sets of linkage devices, wherein the two sets of linkage devices are connected through a middle piece to form an integral linkage structure, the integral linkage structure is supported on a chassis, at least 3 leg circumference adjusting plates are arranged on the integral linkage structure, pressure sensing devices are arranged on the leg circumference adjusting plates and connected with a data acquisition unit, all the leg circumference adjusting plates are distributed along the circumferential direction, the tight-fitting motion protection lower-mounted device to be tested is sleeved outside a structure formed by all the leg circumference adjusting plates, the integral linkage structure drives all the leg circumference adjusting plates to be opened or closed along the radial direction under the control of a control unit so as to simulate lower limbs with different circumference specifications, and the control unit is connected with the data acquisition unit.
Description
Technical Field
The invention relates to a compression force tester for kinds of close-fitting equipment, in particular to an intelligent model instrument for testing the compression force of kinds of close-fitting motion protection lower-fitting equipment.
Background
The knee-pad product protects and supports the knee joint according to the sports characteristics and biomechanical characteristics, and the size and the distribution of the compression force are key for realizing the work efficiency of the sports protection of the product, but no special test standard and test instrument of exists at present.
The method is suitable for seamless knitted products with tissue structures on the circumference, is not suitable for spliced high-elasticity protective products and protective products with keels or other supporting strips, is a direct test method which is placed between a protective equipment product and a leg or leg mould through a pressure sensor for testing, and has the limitations of when the body is in continuous motion, and is difficult to obtain accurate data, (2) the test on the body is time-consuming and expensive, (3) the test is not suitable for daily evaluation test of products.
Disclosure of Invention
The invention aims to provide special devices for leg contact pressure test.
In order to achieve the purpose, the technical scheme of the invention provides kinds of tight-fitting motion protection lower-mounted compression force testers which are characterized by comprising two sets of linkage devices, wherein the two sets of linkage devices are connected into an integral linkage structure through a middle piece, the integral linkage structure is supported on a chassis, at least 3 leg circumference adjusting plates are arranged on the integral linkage structure, pressure sensing devices are arranged on the leg circumference adjusting plates and are connected with a data acquisition unit, all the leg circumference adjusting plates are distributed along the circumferential direction, the tight-fitting motion protection lower-mounted device to be tested is sleeved outside a structure formed by all the leg circumference adjusting plates, the integral linkage structure drives all the leg circumference adjusting plates to open or close along the radial direction under the control of the control unit so as to simulate lower limbs with different circumference specifications, and the control unit is connected with the data acquisition unit.
Preferably, the two sets of linkages are each independently controlled.
Preferably, the two sets of linkages have the same structure and are respectively defined as an th linkage and a second linkage, the bottom of the th linkage is arranged on the chassis, and the top of the th linkage is fixedly connected with the second linkage through the intermediate piece.
Preferably, each set of linkage device comprises N guide rails, wherein N is more than or equal to 2, the guide rails are provided with sliding block assemblies, the sliding block assemblies are driven by a driving assembly to move up and down along the guide rails, the moving directions of the sliding block assemblies of the th linkage device and the second linkage device are opposite, a plurality of expansion rods are hinged along the circumferential direction of the sliding block assemblies, the number of the expansion rods is the same as that of the leg circumference adjusting plates, the sliding block assemblies drive all the expansion rods to open or close in the up-and-down moving process, ends of each expansion rod are hinged with the sliding block assemblies, 0 ends are hinged with ends of connecting pieces, the other ends of each connecting piece are hinged with ends of vertical rods, and the upper ends and the lower ends of each leg circumference adjusting plate are respectively connected with ends of the vertical rods of the second linkage device and ends of the vertical rods of the th linkage device.
Preferably, the driving assembly comprises a motor, the motor is connected with a screw rod through a coupling, a nut matched with the screw rod is arranged on the screw rod, and the sliding block assembly is fixed on the nut.
Preferably, the slider assembly comprises an th slider and a th slider, the th slider is shaped like a leg section profile, and the second slider is shaped like a th slider.
Preferably, the expansion rod is hinged with the th sliding block through a connecting member, the second sliding block is provided with bearing gears with the same number as the expansion rod, and the bearing gears are meshed with the connecting member at the corresponding position to limit the rotation of the expansion rod at the corresponding position.
Preferably, the chassis is provided with the same number of slope grooves as the number of the connectors, and the connector position of the th linkage is correspondingly arranged in the slope grooves to limit the expansion rod to move in the radial direction in the slope grooves.
The tight-fitting motion protection lower-mounted compression force test model instrument has the advantages that the lower limb circumference specification change is realized through the linkage device to adapt to different models of tight-fitting motion equipment, devices can test various types of lower limb equipment and different models, the operation is convenient, the cost is low, accurate and quantized pressure data are obtained compared with a real person test, all electrical elements and circuits can be contained in the model, the test is more accurate and easier to maintain, the pressure sensor is fixed on the inner side of the circumference adjusting plate, the plane of the pressure sensing element is flush with the plane of the circumference adjusting plate, the data deviation caused by the fact that the protruding position is subjected to larger pressure is avoided, the nondestructive test of the motion equipment is guaranteed, the pressure signal is read, stored and analyzed through the PC end, various test contents of the protection equipment can be analyzed quickly and effectively, the test efficiency is improved, the motor can be controlled directly through the PC end, and the system complexity is simplified.
Drawings
FIGS. 1 to 4 are schematic structural views of the present invention;
FIG. 5 is a compression force tester for thigh guard products;
figure 6 is a knee product compression force tester.
Fig. 7 is a compression force tester for a shank protector product.
Detailed Description
The invention is further illustrated at in conjunction with specific examples, it being understood that these examples are intended only to illustrate the invention and not to limit the scope of the invention.
As shown in fig. 1 to 4, the kinds of motion protection under-mount compression force testing intelligent model instrument provided by the invention comprises a chassis 1, wherein the chassis 1 is used for supporting and stabilizing a whole lower limb testing platform, a slope groove 2 is formed in the chassis 1 and used for limiting an expansion rod 12 to move in the slope groove 2 along the radial direction so as to realize opening and closing, the invention comprises an upper set of linkage device and a lower set of linkage device with the same structure, which are respectively defined as a linkage device and a second linkage device, a linkage device and the second linkage device are connected into a whole through a central fixing frame 3, the central fixing frame 3 is fastened with a linkage device and a guide rail 15 of the second linkage device, an upper fixing disc 4 is arranged at the top of the second linkage device, and the upper fixing disc 4 is fastened with the guide rail 15 of the second linkage device.
In this embodiment, the linkage and the second linkage are independently controlled, and in this embodiment, the two linkages have the same structure, and can achieve the stepless radial expansion and contraction of the legs, each linkage comprises a driving device consisting of a motor 6 and a coupling 7, the motor 6 is connected with a lead screw 14 through the coupling 7, a nut is arranged on the lead screw 14, the slider 9 and the second slider 10 are fixed on the nut, the lead screw 14 is driven by the motor 6 to rotate, the lead screw 14 drives the nut to further drive the 0 slider 9 and the second slider 10 to move up and down along the guide rail 15, the slider 9 and the second slider 10 of the second linkage 1 are fixed on the nut, the moving direction of the lead screw 14 is opposite to that of the slider 9 and the second slider 10 of the second linkage, in this embodiment, the slider 9 is in the shape of a cross-section profile of the leg (as shown in fig. 3 and 4, which are cross-sectional shapes of the upper and lower two linkages, which can clearly show cross-sectional shapes of the upper and lower sliders, respectively, and the cross-section of the upper and lower linkages 9, which can be clearly show cross-sectional shapes of the upper and lower two linkages, the cross-section of the linkage, the link bar linkage, the vertical linkage bar is connected with the vertical adjusting rod, the.
The invention also comprises a control circuit, a data acquisition processing and man-machine interaction device. The input end of the control circuit is connected with the output end of the human-computer interaction PC, and the output end of the control circuit is connected with the motor 6. The input end of the data acquisition circuit is connected with the pressure sensor 16, and the output end of the data acquisition circuit is connected with the input end of the human-computer interaction PC. The upper motor 6 and the lower motor are controlled to rotate through the PC end, the motion of the circumference adjusting plate approaching to or far away from the central shaft is realized, and the pressure signals of the pressure sensors are read, stored and analyzed through the PC end.
The device provided by the invention can be used for testing the compression force of a sports protection knee pad, a sports protection thigh and a sports protection shank, and the like, and is a compression force tester for a thigh protection product as shown in fig. 5, a compression force tester for a knee pad product as shown in fig. 6, and a compression force tester for a shank protection product as shown in fig. 7.
Claims (8)
- The under-fitting compression force tester for the tight-fitting exercise protections is characterized by comprising two sets of linkage devices, wherein the two sets of linkage devices are connected through a middle piece to form an integral linkage structure, the integral linkage structure is supported on a chassis, at least 3 leg circumference adjusting plates are arranged on the integral linkage structure, pressure sensing devices are arranged on the leg circumference adjusting plates and connected with a data acquisition unit, all the leg circumference adjusting plates are distributed along the circumferential direction, the under-fitting for the tight-fitting exercise protections to be tested is sleeved outside a structure formed by all the leg circumference adjusting plates in a surrounding mode, the integral linkage structure drives all the leg circumference adjusting plates to be opened or closed along the radial direction under the control of a control unit so as to simulate lower limbs with different circumference specifications, and the control unit is connected with the data acquisition unit.
- 2. The tight exercise protection under-garment compression tester of claim 1, wherein the two sets of linkages are each independently controlled.
- 3. The tight exercise protection under-garment compression tester of claim 2, wherein the two sets of linkages are identical in structure and are defined as th linkage and second linkage, respectively, the th linkage is mounted on the chassis at its bottom, and the th linkage is fixedly connected at its top to the second linkage through the intermediate member.
- 4. The tight-fitting exercise protection under-loading compression force tester as claimed in claim 3, wherein each set of said linkages includes N guide rails, N is greater than or equal to 2, slide block assemblies are provided on the guide rails, the slide block assemblies are driven by a driving assembly to move up and down along the guide rails, the motion directions of the slide block assemblies of the linkages and the slide block assemblies of the second linkages are opposite, a plurality of expansion rods are hinged along the circumference of the slide block assemblies, the number of the expansion rods is the same as that of the leg circumference adjusting plates, the slide block assemblies drive all the expansion rods to open or close during the up and down movement, the 0 end of each expansion rod is hinged to the slide block assembly, the other 1 end is hinged to the end of connecting members, the other end of each connecting member is hinged to the end of vertical rods, and the upper and lower ends of each leg circumference adjusting plate are respectively connected to the other end of the vertical rod of the second linkage and the other end of the vertical rod of the linkage.
- 5. The tight exercise protection under-loading compression tester of claim 4, wherein the drive assembly comprises a motor coupled to a lead screw through a coupling, the lead screw having a nut engaged therewith, the slider assembly being secured to the nut.
- 6. The tight exercise protection under-garment compression tester of claim 5, wherein the slider assembly comprises a th slider and a second slider, the th slider is shaped to have a leg cross-sectional profile, and the second slider is shaped to match the th slider.
- 7. The tight-fitting exercise protection under-garment compression force tester of claim 6, wherein the expansion rod is hinged to the th slide block through a connecting member, the second slide block is provided with bearing gears in the same number as the expansion rods, and the bearing gears are engaged with the connecting member at the corresponding position to limit the rotation of the expansion rods at the corresponding position.
- 8. The tight exercise protection under-garment compression tester of claim 4, wherein there are as many sloped recesses on the chassis as there are connectors, the connector positions of the linkage are correspondingly located within the sloped recesses to limit the expansion rods to move radially within the sloped recesses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911146439.4A CN110736579A (en) | 2019-11-21 | 2019-11-21 | compression force tester under tight exercise protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911146439.4A CN110736579A (en) | 2019-11-21 | 2019-11-21 | compression force tester under tight exercise protection |
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| Publication Number | Publication Date |
|---|---|
| CN110736579A true CN110736579A (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911146439.4A Pending CN110736579A (en) | 2019-11-21 | 2019-11-21 | compression force tester under tight exercise protection |
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| CN (1) | CN110736579A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624383A (en) * | 2021-08-17 | 2021-11-09 | 香港理工大学 | Multi-dimensional intelligent clothing pressure test mannequin device, system and method |
| CN113865766A (en) * | 2021-09-15 | 2021-12-31 | 东华大学 | Changeable dummy of girth touches pressure test appearance |
| CN114486719A (en) * | 2022-03-30 | 2022-05-13 | 浙江理工大学 | Pressure testing method for cylindrical simulation limb and elastic sock with adjustable circumference |
-
2019
- 2019-11-21 CN CN201911146439.4A patent/CN110736579A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624383A (en) * | 2021-08-17 | 2021-11-09 | 香港理工大学 | Multi-dimensional intelligent clothing pressure test mannequin device, system and method |
| CN113624383B (en) * | 2021-08-17 | 2024-01-26 | 香港理工大学 | Multi-dimensional intelligent clothing pressure test mannequin device, system and method |
| CN113865766A (en) * | 2021-09-15 | 2021-12-31 | 东华大学 | Changeable dummy of girth touches pressure test appearance |
| CN114486719A (en) * | 2022-03-30 | 2022-05-13 | 浙江理工大学 | Pressure testing method for cylindrical simulation limb and elastic sock with adjustable circumference |
| CN114486719B (en) * | 2022-03-30 | 2024-03-19 | 浙江理工大学 | Pressure test method for cylindrical simulated limb and elastic sock with adjustable circumference |
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