CN104833603B - A kind of multi-direction movement artificial hip joint frictional wear experimental device - Google Patents
A kind of multi-direction movement artificial hip joint frictional wear experimental device Download PDFInfo
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- CN104833603B CN104833603B CN201510211499.5A CN201510211499A CN104833603B CN 104833603 B CN104833603 B CN 104833603B CN 201510211499 A CN201510211499 A CN 201510211499A CN 104833603 B CN104833603 B CN 104833603B
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- hip joint
- direction movement
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- swing
- frictional wear
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Abstract
The present invention relates to a kind of multi-direction movement artificial hip joint frictional wear experimental device, including frame, loading device and composite-motion mechanism.Top surface is provided with hydraulic loading device in frame, and loading device lower end is provided with style on femoral head；Composite-motion mechanism is made up of the swing mechanism for realizing swing and the rotating mechanism for realizing left-right rotation, and swing mechanism is connected with rotating mechanism by setting a table, and rotating mechanism is fixed on the setting a table of swing mechanism, and is set a table and be connected by two support bases with frame.The advantages that present invention can be used for simulating human hip actual motion state and working environment in experimental situation, easily be used with simple in construction, and experimental result is reliable.
Description
Technical field
The present invention relates to a kind of experimental facilities for being used to test human body joint-friction wearing character, one is particularly related to
Kind multi-direction movement artificial hip joint frictional wear experimental device.
Background technology
Hip joint is the joint that stress is most complicated in human body, and because traffic accident, natural calamity, arthropathy etc. cause
The quantity of hip joint disease patient increases year by year.The whole world receives the patient of artificial hip replacement surgery more than 60 every year
Ten thousand, artificial hip joint replacing operation has become one of important method for treating such disease.The friction of replacement joint in vivo
Abrasion is successful surgery whether important factor in order.The fretting wear in joint will cause the loosening of replacement joint, and it is produced
Raw a large amount of abrasive dusts will induce the dissolving of Periprosthetic bone, cause operative failure.Therefore, the evaluating abrasion resistance method pair of joint material
Prosthetic replacement's operation has vital effect.In recent years, many researchers are in succession using pin-disk, ring-disk, four balls
Frictional wear experimental device carries out the artificial hip joint friction-wear test of different materials, but these experimental provisions are providing manually
Working condition on the forms of motion and load character of joint sample with actual human body hip joint differs greatly, and this will all cause
The fretting wear rate test in artificial graft joint is not accurate enough.Therefore, research and development one kind can more truly simulate human hip
The frictional wear experimental device of movement mechanism has important and far-reaching meaning to the Clinical practice of different materials for joint prosthesis.
A kind of artificial hip joint dynamic fatigue abrasion tester is disclosed in CN103257076 earlier applications, the machine bag
Include femoral head sample rotating part, style fixture and the sample loading section positioned at testing machine top.Wherein femoral head tries
Sample rotating part includes rotary electric machine and the upper main shaft rotated under motor drive, and the loading section includes loading electricity
Machine, turbine and worm deceleration device and flexible reinforcing part.Understand that its friction pair is femur during to mill with reference to application
Head sample rotates, and the testing machine is only capable of realizing the Nei Xuan outward turning campaigns of human hip under bionical state, and human hip
Motion when have stretching, extension flexing（FE）, it is interior receive abduction（AA）With inward turning outward turning（IER）Three kinds of basic exercises, the first Shen
It is substantially insufficient please accurately to imitate human hip real work mechanism.
The content of the invention
Present invention aims at provide a kind of hip joint friction that can accurately simulate human body working environment and characteristic
Abrasion tester, mainly realize the Shen Zhan flexings of human hip under bionical state（FE）, it is interior receive abduction（AA）Motion, to face
Bed provides reliable guidance data.
The technical scheme is that：A kind of multi-direction movement friction wear testing machine, including frame, loading device and multiple
Resultant motion mechanism, its feature have：The frame includes upper plate, column, support base of setting a table, cylindrical cam support base and base；
The loading device includes style on the hydraulic cylinder for on-load pressure, the main shaft for transmitting loading force, scroll chuck and femoral head；
The hydraulic cylinder is fixed by the upper plate, and the upper plate and hydraulic cylinder are fixed by the column with base；It is described multiple
Resultant motion mechanism includes realizing the swing mechanism of swing and realizes the rotating mechanism of left-right rotation, and the swing mechanism includes
Cylindrical cam, straight pin, swing rod and set a table, the swing rod is provided at both ends with hole, and is connected with the straight pin and setting a table；It is described
Rotating mechanism includes style under rotating disk, connecting rod and acetabular bone, and described connecting rod one end connects rotating disk, and the other end connects style under acetabular bone.
The rotating mechanism is fixed on described set a table.Style forms friction pair under style and acetabular bone on the femoral head.
The technical characteristic of the present invention also has：Torque sensor, the femur are provided with the main shaft for transmitting loading force
Style is clamped by the scroll chuck on head, and the experimental provision can be equipped with the lubricating fluid a set of cups provided with lubricating fluid inlet and outlet.
The technical characteristic of the present invention also has：The straight pin coordinates with the cylindrical cam orbit gap.
The technical characteristic of the present invention also has：A pair of straight bevels of the cylindrical cam by motor and with the motor connection
Gear provides rotatory force.
The technical characteristic of the present invention also has：The rotating disk is provided with eccentric orfice, matches at its eccentric orfice with described connecting rod one end
Connection is closed, the central part of sample and the middle and lower part of opposite face are provided with aperture under the acetabular bone, are set a table and connecting rod is another with described respectively
One end connects, and the rotating disk provides rotatory force by rotary electric machine.
The beneficial effects of the present invention are:1）The experimental provision is simple in construction, and composite-motion mechanism is located in experimental provision
Between, it is easy to operate and be easy to observe, 2）The experimental provision can accurately simulate human hip stretching, extension flexing（FE）、
It is interior receive abduction（AA）Motion, and friction pair is changed conveniently, can realize Jie under hip prosthesis different materials, different sizes
Matter friction and dry wear test, 3）The experimental provision applies load using cylinder device, and loading is steady flexible, easy to control.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is friction pair schematic perspective view in the embodiment of the present invention；
Fig. 3 is swing mechanism part isometric schematic diagram in the embodiment of the present invention；
Wherein, 1 is upper plate, and 2 be hydraulic cylinder, and 3 be main shaft, and 4 be torque sensor, and 5 be scroll chuck, and 6 be femoral head
Upper sample, 7 be lubricating fluid a set of cups, and 8 be to set a table, and 9 be rotating disk, and 10 be rotary electric machine, and 11 be connecting rod, and 12 be sample under acetabular bone,
13 be support base of setting a table, and 14 be swing rod, and 15 be motor, and 16 be base, and 17 be power transmission shaft, and 18 be cylindrical cam support base, and 19 are
A pair of spur bevel gears, 20 be cylindrical cam, and 21 be straight pin, and 22 be column.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the present invention is illustrated.
As shown in figure 1, the multi-direction movement artificial hip joint frictional wear experimental device of the present invention includes frame, loading dress
Put and composite-motion mechanism.Wherein frame includes upper plate 1, column 22, support base 13 of setting a table, cylindrical cam support base 18 and bottom
Seat 16；Loading device includes the hydraulic cylinder 2 for on-load pressure, transmits main shaft 3, scroll chuck 5 and the femoral head of loading force
Sample 6；The hydraulic cylinder 2 is fixed by the upper plate 1, and the upper plate 1 and hydraulic cylinder 2 pass through the column 22 and bottom
Seat 16 is fixed；Composite-motion mechanism includes realizing the swing mechanism of swing and realizes the rotating mechanism of left-right rotation, described
Swing mechanism includes cylindrical cam 20, straight pin 21, swing rod 14 and sets a table 8, and the swing rod 14 is provided at both ends with hole, and with it is described
Straight pin 21 and 8 connections of setting a table；The rotating mechanism includes sample 12 under rotating disk 9, connecting rod 11 and acetabular bone, described connecting rod one end
Rotating disk 9 is connected, the other end connects sample 12 under acetabular bone.The rotating mechanism is fixed on described set a table on 8.On the femoral head
Sample 12 forms friction pair under sample 6 and acetabular bone.
In the present invention, torque sensor 4 is provided with the main shaft 3 for transmitting loading force, sample 6 on the femoral head
Clamped by the scroll chuck 5, and the experimental rig can be equipped with the lubricating fluid a set of cups 7 provided with lubricating fluid inlet and outlet.
In the present invention, the straight pin 21 coordinates with the orbit gap of cylindrical cam 20.
In the present invention, the cylindrical cam 20 is by motor 15 and a pair of straight bevel teeth being connected with the rotary electric machine
Wheel 19 provides rotatory force.The rotating disk 9 is provided with eccentric orfice, in mating connection with described one end of connecting rod 11 at its eccentric orfice, described
The central part of sample 12 and the middle and lower part of opposite face are provided with aperture under acetabular bone, respectively with it is described set a table 8 and the other end of connecting rod 11 connect
Connect, the rotating disk 9 provides rotatory force by rotary electric machine 10.
The present invention work process be：As shown in figure 1, motor 15 and rotary electric machine 10 while the work that is powered, motor 15 are logical
Crossing shaft coupling drives power transmission shaft 17 to rotate, so as to drive the engagement rotation of spur bevel gear 19, now in spur bevel gear 19
Driven bevel gear by drive cylindrical cam 20 rotate, also, straight pin 21 will motion get up the ditch of cylindrical cam 20
Swung in the presence of groove, because the both ends of swing rod 8 13 are connected with straight pin 21 and setting a table respectively, it is achieved thereby that set a table 13 have it is certain
Swing, simulate human hip stretching, extension flexing（FE）Motion.Now, in the presence of rotary electric machine 10, rotating disk 9 will
Uniform rotation can be done, because eccentric orfice of the both ends of connecting rod 11 respectively with sample under acetabular bone 12 and rotating disk 9 is connected, it is achieved thereby that
Under acetabular bone sample 12 around its geometric center rotate, simulate human hip interior receipts abduction（AA）Motion.Entirely moving
During, hydraulic cylinder 2 will apply the cyclic loading of some cycles by main shaft to friction pair, and torque sensor 4 will be surveyed in real time
Amount pressure torque is simultaneously fed back.Experimental provision shown in the present invention can be realized according to lubricating fluid whether is added in lubricating fluid a set of cups 7
Two kinds of working condition tests of dielectric friction and dry friction.
Embodiments of the invention are illustrated above in conjunction with accompanying drawing, but described above is not limitation of the present invention,
The present invention is also not limited to above-described embodiment.It is every the present invention essence and concept in carry out change, instead of, add
Add, simplify, combination etc. is accordingly to be regarded as equivalent substitute mode, falls within protection scope of the present invention.
Claims (5)
1. a kind of multi-direction movement artificial hip joint frictional wear experimental device, including frame, loading device and compound motion machine
Structure, it is characterised in that：The frame includes upper plate, column, support base of setting a table, cylindrical cam support base and base；It is described to add
Carry and put including sample on the hydraulic cylinder for on-load pressure, the main shaft for transmitting loading force, scroll chuck and femoral head；It is described
Hydraulic cylinder is fixed by the upper plate, and the upper plate and hydraulic cylinder are fixed by the column with base；The compound fortune
Motivation structure includes realizing the swing mechanism of swing and realizes the rotating mechanism of left-right rotation, and the swing mechanism includes cylinder
Cam, straight pin, swing rod and set a table, the swing rod is provided at both ends with hole, and is connected with the straight pin and setting a table；The rotation
Mechanism includes sample under rotating disk, connecting rod and acetabular bone, and described connecting rod one end connects rotating disk, and the other end connects sample under acetabular bone, institute
State rotating mechanism to be fixed on described set a table, sample forms friction pair under sample and acetabular bone on the femoral head.
2. the multi-direction movement artificial hip joint frictional wear experimental device as described in claim 1, it is characterised in that：It is described
Transmit and be provided with torque sensor on the main shaft of loading force, sample is clamped by the scroll chuck on the femoral head, and should
Experimental provision is equipped with the lubricating fluid a set of cups for being provided with lubricating fluid inlet and outlet.
3. the multi-direction movement artificial hip joint frictional wear experimental device as described in claim 1, it is characterised in that：It is described
Straight pin coordinates with the cylindrical cam orbit gap.
4. the multi-direction movement artificial hip joint frictional wear experimental device as described in claim 1, it is characterised in that：It is described
Cylindrical cam provides rotatory force by motor and with a pair of spur bevel gears of the motor connection.
5. the multi-direction movement artificial hip joint frictional wear experimental device as described in claim 1, it is characterised in that：It is described
Rotating disk is provided with eccentric orfice, in mating connection with described connecting rod one end at its eccentric orfice, the central part and phase of sample under the acetabular bone
The middle and lower part on opposite is provided with aperture, is set a table and the connecting rod other end is connected with described respectively, and the rotating disk is provided by rotary electric machine to be turned
Power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510211499.5A CN104833603B (en) | 2015-04-29 | 2015-04-29 | A kind of multi-direction movement artificial hip joint frictional wear experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510211499.5A CN104833603B (en) | 2015-04-29 | 2015-04-29 | A kind of multi-direction movement artificial hip joint frictional wear experimental device |
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| CN104833603A CN104833603A (en) | 2015-08-12 |
| CN104833603B true CN104833603B (en) | 2017-12-15 |
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| CN201510211499.5A Expired - Fee Related CN104833603B (en) | 2015-04-29 | 2015-04-29 | A kind of multi-direction movement artificial hip joint frictional wear experimental device |
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Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276354B (en) * | 2015-10-19 | 2017-06-13 | 中国矿业大学 | Self-lubricating structure of hip joint testing machine and working method thereof |
| CN105891035B (en) * | 2016-04-02 | 2019-02-22 | 上海大学 | A kind of friction-wear detecting apparatus of orthopaedics implantation instrument |
| CN105758733B (en) * | 2016-04-06 | 2018-08-10 | 吉林大学 | The material mechanical performance tester and test method of adjustable flexural fatigue pattern |
| CN106448400B (en) * | 2016-10-12 | 2022-09-20 | 中南大学 | Human knee joint bone friction simulation test device |
| CN106373473B (en) * | 2016-11-30 | 2018-11-30 | 中南大学 | It is a kind of for simulating the experimental provision of human body knee joint friction |
| CN106859810B (en) * | 2017-03-31 | 2018-11-06 | 福建中医药大学 | A kind of animal experiment device for generating knee joint abrasion |
| CN107505192A (en) * | 2017-06-23 | 2017-12-22 | 天津市天津医院 | Acetabular bone simulation fixture and preparation method thereof |
| CN107764675A (en) * | 2017-09-11 | 2018-03-06 | 湖北阳超机电科技有限公司 | A kind of knee joint abrasion tester |
| CN107727523B (en) * | 2017-10-18 | 2024-02-13 | 浙江工业大学 | Multifunctional artificial hip joint wear testing machine |
| CN108593475B (en) * | 2018-06-04 | 2020-11-03 | 辽宁工程技术大学 | Erosion and abrasion experiment table for meniscus of artificial knee joint |
| CN109323946A (en) * | 2018-09-07 | 2019-02-12 | 南昌大学 | A kind of artificial knee joint friction wear testing machine |
| CN111122193B (en) * | 2019-12-12 | 2021-05-25 | 太原理工大学 | Dynamic loading simulation mechanism for detecting performance of force applying device |
| CN114166677A (en) * | 2021-12-06 | 2022-03-11 | 安徽农业大学 | Two-axis artificial femoral head friction testing machine simulating human body environment |
| CN114659880B (en) * | 2022-04-14 | 2024-04-12 | 湘潭大学 | Multi-motion mode artificial joint friction and wear experimental device |
| CN117379235B (en) * | 2023-12-13 | 2024-03-12 | 天津市医疗器械质量监督检验中心 | Hip joint prosthesis movement angle testing device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204575480U (en) * | 2015-04-29 | 2015-08-19 | 济南大学 | A kind of multi-direction movement artificial hip joint frictional wear experimental device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2167193B (en) * | 1984-10-01 | 1988-03-23 | Secr Social Service Brit | Joint operation simulator |
| US6865954B2 (en) * | 2003-03-10 | 2005-03-15 | Spinecore, Inc. | Joint simulator testing machine |
| CN100516818C (en) * | 2005-03-25 | 2009-07-22 | 湖北工业大学 | Artificial joint simple simulated wear test method and its test machine |
| CN201397277Y (en) * | 2009-03-25 | 2010-02-03 | 河南科技大学 | Swinging device of high-frequency high-torque oscillating bearing friction wear testing machine |
| CN104297091B (en) * | 2014-10-23 | 2017-02-15 | 桂林电子科技大学 | Artificial hip joint friction testing machine |
-
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204575480U (en) * | 2015-04-29 | 2015-08-19 | 济南大学 | A kind of multi-direction movement artificial hip joint frictional wear experimental device |
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Granted publication date: 20171215 Termination date: 20180429 |