CN203117062U - Multi-station multi-direction movement abrasion tester - Google Patents
Multi-station multi-direction movement abrasion tester Download PDFInfo
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- CN203117062U CN203117062U CN 201320023196 CN201320023196U CN203117062U CN 203117062 U CN203117062 U CN 203117062U CN 201320023196 CN201320023196 CN 201320023196 CN 201320023196 U CN201320023196 U CN 201320023196U CN 203117062 U CN203117062 U CN 203117062U
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- base
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- fixed
- liquid pool
- swivel base
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Abstract
The utility model discloses a multi-station multi-direction movement abrasion tester which comprises a base, a driving crank, driven cranks, a rotary chassis, liquid pools, disks, pins, loading arms and weights, wherein the base is fixed at the bottom of a stander and is arranged on the base through a lower supporting frame; the liquid pool is fixed on the upper surface of the rotary chassis; the cranks which are the same in length are fixed on the lower surface of the rotary chassis and perpendicularly correspond to the liquid pools respectively, one of the cranks is the driving crank and others are the driven cranks; a rotating shaft of each driven crank is fixed on the base; a rotating shaft of the driving crank is connected with a speed change device; the speed change device is connected with a motor; one disk is arranged in each liquid pool; the pins corresponding to the disks one to one are fixed at the lower ends of the loading arms; the pins are tangent to the surfaces of the disks; all the loading arms upwards penetrate through linear shaft sleeves fixed on the stander and extend out of the upper surface of the stander; and the weights are respectively arranged at the upper ends of the loading arms. The multi-station multi-direction movement abrasion tester is simple in structure and convenient to operate and can efficiently perform abrasion resistance evaluation test.
Description
One, technical field
The utility model relates to the multidirectional motion abrasion tester in multidirectional motion polishing machine experimental test field, particularly a kind of multistation.
Two, background technology
Raising along with people's living standard, requirement to medical level is also more and more higher, many medicine equipments, implantation organ and displacement and repair materials weight loading exercise in the body environment, it is complicated multidirectional that its mode of motion mostly is, and the friction and wear behavior under the complicated multidirectional motion influences its serviceable life and reliability.Frictional wear test device such as joint prosthesis simulator are significant to research and development highly reliable, the long-life joint prosthesis in the suitable analog body.But joint prosthesis simulator complex structure, the experimentation cost height, length consuming time is not suitable for quick evaluating material friction and wear behavior to screen as the first step; In addition, traditional rotary and pin dish reciprocating friction abrasion tester can not be realized multidirectional compound motion again, namely can not definitely simulate artificial joint motions.
Three, utility model content
The purpose of this utility model is to provide a kind of can simulate the multidirectional motion of human body facet joint complex, the multidirectional motion abrasion tester of multistation simple in structure, that testing efficiency is high.
Realize that technical solution of the present utility model is: the multidirectional motion abrasion tester of a kind of multistation, comprise base 14, driving crank 6, driven crank 9, swivel base 12, liquid pool 11, dish 5, pin 4, loading arm 3 and counterweight 1, described base 14 is fixed in the bottom of frame 13, swivel base 12 places above the base 14 by the bracing frame 10 of below, the upper surface of swivel base 12 fixedly has circular liquid pool 11, the quantity of liquid pool 11 is greater than 1, the lower surface of swivel base 12 has the identical crank of length with each liquid pool 11 vertical corresponding stationkeeping: one of them crank is made as driving crank 6, and all the other are made as driven crank 9; The rotating shaft of described driven crank 9 is fixed in above the base 14, after the bottom of base 14 and frame 13 is passed in the rotating shaft of driving crank 6, links to each other with speed change gear 7, and speed change gear 7 links to each other with motor 8;
Place a dish 5 in described each liquid pool 11, sell 4 one to one with dish 5 and be fixed in the lower end of each loading arm 3, and sell 4 tangent with dish 5 surfaces; All loading arms 3 pass the straight line axle sleeve 2 on being fixed on frame 13 earlier by from bottom to top in proper order, pass the upper surface of frame 13 again, and the upper end of each loading arm 3 are equipped with counterweight 1 respectively.
The multidirectional motion abrasion tester of the utility model multistation, support frame as described above 10 is the ball friction bracket that is fixed in above the base 14, and locates near the both sides of the edge of swivel base 12, swivel base 12 can rotate on bracing frame 10.
The multidirectional motion abrasion tester of the utility model multistation, described swivel base 12 is rectangle or circle.
The multidirectional motion abrasion tester of the utility model multistation, described driving crank 6 is vertical corresponding with a liquid pool 11 that is in swivel base 12 centers.
The multidirectional motion abrasion tester of the utility model multistation, the length of driving crank 6 and driven crank 9 is less than radius of liquid pool.
The utility model compared with prior art, its remarkable advantage: (1) uses crank mechanism, the one-way movement of pin-dish frictional testing machine is become multidirectional motion, the joint prosthesis actual working environment is fully simulated in the friction of multidirectional motion, thereby can estimate the anti-wear performance of joint prosthesis friction pair and articular cartilage etc., filter out valuable novel artificial joint material and articular cartilage repair materials; (2) rotation and to-and-fro movement are combined, in simulation synovia (or body fluid) motion down, and realize multistation easily; (3) simple in structure, easy to operate, can carry out the polishing machine evaluation test efficiently.
Four description of drawings
Fig. 1 is the sectional structure chart of the multidirectional motion abrasion tester of the utility model multistation.
Fig. 2 is that the swivel base of the multidirectional motion abrasion tester of the utility model multistation is overlooked motion principle figure.
Fig. 3 is the liquid pool motion synoptic diagram of the multidirectional motion abrasion tester of the utility model multistation.
Wherein: 1-counterweight, 2-straight line axle sleeve, 3-loading arm, 4-pin, 5-dish, 6-driving crank, 7-speed change gear, 8-motor, the driven crank of 9-, 10-bracing frame, 11-liquid pool, 12-swivel base, 13-frame, 14-base
Five embodiments
The multidirectional motion abrasion tester of the utility model multistation, comprise base 14, driving crank 6, driven crank 9, swivel base 12, liquid pool 11, dish 5, pin 4, loading arm 3 and counterweight 1, described base 14 is fixed in the bottom of frame 13, swivel base 12 places above the base 14 by the bracing frame 10 of below, the upper surface of swivel base 12 fixedly has circular liquid pool 11, the quantity of liquid pool 11 is greater than 1, the lower surface of swivel base 12 has the identical crank of length with each liquid pool 11 vertical corresponding stationkeeping: one of them crank is made as driving crank 6, and all the other are made as driven crank 9; The rotating shaft of described driven crank 9 is fixed in above the base 14, after the bottom of base 14 and frame 13 is passed in the rotating shaft of driving crank 6, links to each other with speed change gear 7, and speed change gear 7 links to each other with motor 8;
Place a dish 5 in described each liquid pool 11, sell 4 one to one with dish 5 and be fixed in the lower end of each loading arm 3, and sell 4 tangent with dish 5 surfaces; All loading arms 3 pass the straight line axle sleeve 2 on being fixed on frame 13 earlier by from bottom to top in proper order, pass the upper surface of frame 13 again, and the upper end of each loading arm 3 are equipped with counterweight 1 respectively.
The multidirectional motion abrasion tester of the utility model multistation, support frame as described above 10 is the ball friction bracket that is fixed in above the base 14, and locates near the both sides of the edge of swivel base 12, swivel base 12 can rotate on bracing frame 10.
The multidirectional motion abrasion tester of the utility model multistation, described swivel base 12 is rectangle or circle.
The multidirectional motion abrasion tester of the utility model multistation, described driving crank 6 is vertical corresponding with a liquid pool 11 that is in swivel base 12 centers.
The multidirectional motion abrasion tester of the utility model multistation, the length of driving crank 6 and driven crank 9 is less than radius of liquid pool.
Below in conjunction with specific embodiment the utility model is made and to describe in further detail.
Describe concrete device of the present utility model and principle of work in detail below in conjunction with accompanying drawing.
As shown in Figure 1, the multidirectional motion abrasion tester of a kind of 3 stations, comprise base 14, driving crank 6, driven crank 9, swivel base 12, liquid pool 11, dish 5, pin 4, loading arm 3 and counterweight 1, wherein base 14 is fixed in the bottom of frame 13, swivel base 12 places above the base 14 by the support of driving crank 6 and driven crank 9, swivel base also is subjected to the support of bracing frame 10 simultaneously, the upper surface of swivel base 12 fixedly has the liquid pool 11 of 3 circles, the lower surface of swivel base 12 has a crank with each liquid pool 11 vertical corresponding stationkeeping, and all crank length are identical: a crank that wherein is in swivel base 12 centers is made as driving crank 6, and all the other 2 are made as and are driven crank 9; The rotating shaft of described driven crank 9 is fixed in above the base 14, and the bottom of base 14 and frame 13 is passed in the rotating shaft of driving crank 6, and in frame 13 outsides, the rotating shaft of driving crank 6 links to each other with speed change gear 7, and speed change gear 7 links to each other with motor 8; Place a dish 5 in each liquid pool 11, sell 4 one to one with dish 5 and be fixed in the lower end of each loading arm 3, and sell 4 tangent with dish 5 surfaces; All loading arms 3 upwards pass the straight line axle sleeve 2 on being fixed on frame 13 earlier, pass the upper surface of frame 13 again, and the upper end of each loading arm 3 is equipped with counterweight 1 respectively, and wherein 2 pairs on the straight line axle sleeve loading arm 3 that is subjected to the moment of flexure effect plays a protective role.
Described frame 13 is an airtight shell, wherein base 14, bracing frame 10, driven crank 9, swivel base 12, liquid pool 11, dish 5, pin 4, loading arm 3 and straight line axle sleeve 2 are positioned at frame 13 inside, counterweight 1, speed change gear 7 and motor 8 are positioned at frame 13 outsides, load arm 3 upwards passes the top of frame 13, and the rotating shaft of driving crank 6 is passed down through the bottom of base 14 and frame 13.
Support frame as described above 10 is the ball friction bracket that is fixed in above the base 14, and locates near the both sides of the edge of swivel base 12, and swivel base 12 can rotate on bracing frame 10, guarantees the stability of device spin friction process;
Described swivel base 12 can be made as rectangle, circle or other shape according to actual needs;
Described driving crank 6 is vertical corresponding with a liquid pool 11 that is in swivel base 12 centers; The length of described driving crank 6 and driven crank 9 is less than radius of liquid pool;
Described speed change gear 7 as shown in Figure 1, black be the band, the white square piece that draws at its two ends is the belt wheel that is enclosed within the band the inside, because the different velocities of rotation that spread out of from motor that make of the diameter of both sides belt wheel change when being delivered to the rotating shaft of driving crank 6.
The principle of work of the multidirectional motion abrasion tester of the utility model multistation such as Fig. 2, shown in Figure 3:
Fig. 2 overlooks motion principle figure for swivel base, double-crank mechanism in the four-bar linkage, CD are that the motionless mechanism of relative fixed is frame, and AD, BC are crank, can rotate around the whole circle of its shaft axis, AB is that connecting rod namely is the swivel base that is applied in the utility model.As shown in Figure 2, when making AD do around the motion of some D active rotation, AB all the time with the CD keeping parallelism, do the rigid body translation, every bit is all done as the A point around the rotatablely moving around fixed point of D point rotation on it, and this character makes and can settle a plurality of liquid pools to realize multistation at swivel base.For making mechanism kinematic more steady, add passive constraint EF in the mechanism on Fig. 2 left side and adopt EF as driving mechanism shown in Fig. 2 right side, right side AB mode of motion is identical with the left side, crank length is AD, BC, EF length.
Grey color part is represented liquid pool or dish among Fig. 3, the pin that circle expression of white is in contact with it on it.Dotted line is for the crank end points is the track of A among Fig. 2 or B or E rotation, also be liquid pool or coils center of circle movement locus.This figure gets two position signal dish motions has multidirectional rubbing action to pin.O1, O1 are respectively two centers of circle of dish when two positions, and setting up rectangular coordinate system with it respectively has X1O1Y1, X2O2Y2 as figure, and V1, V2 are respectively dish when diverse location and the velocity reversal of pin touching position.Obviously, V1, V2 are incorgruous, so the friction of pin is had polytropism.
The course of work of the multidirectional motion abrasion tester of the utility model multistation is as follows:
After step 2, motor 8 are connected power supply, regulate driving crank 6 rotating speeds by speed change gear 7;
Produce multidirectional friction of motion between step 4, dish and the pin, simulate the working environment of actual joint prosthesis, carry out the multistation simultaneous test.
Comparing difference with embodiment 1 is: the upper surface of swivel base 12 fixedly has the liquid pool 11 of 2 circles, corresponding crank, dish 5, pin 4, loading arm 3, straight line axle sleeve 2 and counterweight 1 all are 2, and its concrete structure, principle of work and the course of work are identical with embodiment 1.
Comparing difference with embodiment 1 is: the upper surface of swivel base 12 fixedly has the liquid pool 11 of 4 circles, corresponding crank, dish 5, pin 4, loading arm 3, straight line axle sleeve 2 and counterweight 1 all are 4, and its concrete structure, principle of work and the course of work are identical with embodiment 1.
The utility model uses crank mechanism, the one-way movement of pin-dish frictional testing machine is become multidirectional motion, the joint prosthesis actual working environment is fully simulated in the friction of multidirectional motion, thereby can estimate the anti-wear performance of joint prosthesis friction pair and articular cartilage etc., filter out valuable novel artificial joint material and articular cartilage repair materials; And rotation and to-and-fro movement are combined, in simulation synovia (or body fluid) motion down, and realize multistation easily; In addition, simple in structure, easy to operate, can carry out the polishing machine evaluation test efficiently.
Claims (5)
1. multidirectional motion abrasion tester of multistation, it is characterized in that: comprise base (14), driving crank (6), driven crank (9), swivel base (12), liquid pool (11), dish (5), pin (4), loading arm (3) and counterweight (1), described base (14) is fixed in the bottom of frame (13), swivel base (12) places above the base (14) by the bracing frame (10) of below, the upper surface of swivel base (12) fixedly has circular liquid pool (11), the quantity of liquid pool (11) is greater than 1, the lower surface of swivel base (12) has the identical crank of length with the vertical corresponding stationkeeping of each liquid pool (11): one of them crank is made as driving crank (6), and all the other are made as driven crank (9); The rotating shaft of described driven crank (9) is fixed in above the base (14), after the bottom of base (14) and frame (13) is passed in the rotating shaft of driving crank (6), links to each other with speed change gear (7), and speed change gear (7) links to each other with motor (8);
Place a dish (5) in described each liquid pool (11), sell the lower end that (4) are fixed in each loading arm (3) one to one with dish (5), and pin (4) is tangent with dish (5) surface; All loading arms (3) pass the straight line axle sleeve (2) on being fixed on frame (13) earlier by from bottom to top in proper order, pass the upper surface of frame (13) again, and the upper end of each loading arm (3) are equipped with counterweight (1) respectively.
2. the multidirectional motion abrasion tester of multistation according to claim 1, it is characterized in that: support frame as described above (10) is for being fixed in the ball friction bracket above the base (14), and near the place, both sides of the edge of swivel base (12), swivel base (12) can rotate on bracing frame (10).
3. the multidirectional motion abrasion tester of multistation according to claim 1 is characterized in that: described swivel base (12) is rectangle or circle.
4. the multidirectional motion abrasion tester of multistation according to claim 1, it is characterized in that: described driving crank (6) is vertical corresponding with a liquid pool (11) that is in swivel base (12) center.
5. the multidirectional motion abrasion tester of multistation according to claim 1, it is characterized in that: the length of driving crank (6) and driven crank (9) is less than the radius of liquid pool (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320023196 CN203117062U (en) | 2013-01-16 | 2013-01-16 | Multi-station multi-direction movement abrasion tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320023196 CN203117062U (en) | 2013-01-16 | 2013-01-16 | Multi-station multi-direction movement abrasion tester |
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| Publication Number | Publication Date |
|---|---|
| CN203117062U true CN203117062U (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320023196 Withdrawn - After Issue CN203117062U (en) | 2013-01-16 | 2013-01-16 | Multi-station multi-direction movement abrasion tester |
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| CN (1) | CN203117062U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091190A (en) * | 2013-01-16 | 2013-05-08 | 南京理工大学 | Multi-station multidirectional-movement wear testing machine |
| CN105259064A (en) * | 2015-10-13 | 2016-01-20 | 辽宁工业大学 | Sliding abrasion testing device and calculation method with sample surface crystalline grains having preferred orientation |
| CN107255582A (en) * | 2016-10-08 | 2017-10-17 | 浙江农林大学 | A kind of sheet-metal press working surface damage Fast simulation experimental provision |
-
2013
- 2013-01-16 CN CN 201320023196 patent/CN203117062U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091190A (en) * | 2013-01-16 | 2013-05-08 | 南京理工大学 | Multi-station multidirectional-movement wear testing machine |
| CN103091190B (en) * | 2013-01-16 | 2015-12-02 | 南京理工大学 | A kind of multistation Multidirectional motion abrasion tester |
| CN105259064A (en) * | 2015-10-13 | 2016-01-20 | 辽宁工业大学 | Sliding abrasion testing device and calculation method with sample surface crystalline grains having preferred orientation |
| CN105259064B (en) * | 2015-10-13 | 2017-12-01 | 辽宁工业大学 | A kind of specimen surface crystal grain has the sliding wear testing device and computational methods of preferred orientation |
| CN107255582A (en) * | 2016-10-08 | 2017-10-17 | 浙江农林大学 | A kind of sheet-metal press working surface damage Fast simulation experimental provision |
| CN107255582B (en) * | 2016-10-08 | 2020-05-12 | 浙江农林大学 | Rapid simulation experiment device for sheet stamping surface damage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130807 Effective date of abandoning: 20151202 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |