CN205301101U - Measurement device for biological soft tissue mechanical properties - Google Patents
Measurement device for biological soft tissue mechanical properties Download PDFInfo
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- CN205301101U CN205301101U CN201620032834.5U CN201620032834U CN205301101U CN 205301101 U CN205301101 U CN 205301101U CN 201620032834 U CN201620032834 U CN 201620032834U CN 205301101 U CN205301101 U CN 205301101U
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Abstract
The utility model belongs to a measurement device for biological soft tissue mechanical properties, which comprises a frame, there is the automatic slip table mechanism of motor frame and Z axle on the frame bottom plate, there is Z axle sensor in the automatic slip table mechanism of Z axle, there is the container of carrying on the Z axle sensor, there are automatic slip table mechanism of Y axle and Y axle driven rail under the frame upper plate, link up Y spindle drive board under the Y axle driven rail, the automatic slip table mechanism of Y axle is connected with Y spindle drive board, there is the automatic slip table mechanism of X axle driven rail and X axle on the Y spindle drive board, the automatic slip table mechanism of X axle is connected with X spindle drive board, there is the driven guide rail of Y axle under the X spindle drive board, link up Y axle from movable plate under the driven guide rail of Y axle, the Y axle has the driven guide rail of X axle from the movable plate, link up shearing platform on the driven guide rail of X axle, X spindle drive board and Y axle are from there being Y axle sensor between the movable plate, go up shearing platform and Y axle from there being X axle sensor between the movable plate, the utility model has the advantages of the structure is light and handy, and the degree of accuracy is high, convenient operation, portable.
Description
Technical field
This utility model belongs to biomechanics technical field, particularly relates to the measurement apparatus of a kind of biologic soft tissue mechanical property.
Background technology
At present, the mechanical property of biologic soft tissue is measured major part and is still rested on the uni-axial tensile testing stage, such as uniaxial tension and biaxial stretch-formed. Axial tension is as a kind of experiment method probing into biologic soft tissue mechanical property, the mechanical property of biologic soft tissue can be reflected to a certain extent, but due to the multiformity on biologic soft tissue multilamellar structurally and composition, the data only obtained by uni-axial tensile testing can not reflect the mechanical characteristic of the anisotropic of its complexity completely. In order to obtain the mechanical characteristic of biologic soft tissue more fully hereinafter, it would be desirable to adopt another experimental technique, i.e. shearing experiment. Briefly, shearing experiment adopts cubical laboratory sample, and it is fixed on upper and lower two parallel platforms, one of them platform is fixing, producing shearing deformation thus measuring shearing force by transverse shifting (X or Y-direction) another one platform by sample, vertically can also measure pulling force and pressure by (Z-direction) this platform mobile simultaneously.
In the shearing equipment of existing measurement biologic soft tissue mechanical property, the parts such as the copper ring of the power of measurement X and Y direction and stainless steel beam are directly linked together, so can cause axially different between bigger influencing each other, and present non-linear, cause that error of measured data is big; It addition, loading container is fixed on lower platform, when lower platform moves, the physiological solution in loading container produces concussion, brings further error to measurement; Meanwhile, Z-direction is Non-follow control, and operation inconvenience during measurement, precision is difficult to hold.
Utility model content
This utility model aims to overcome that the deficiencies in the prior art provide the measurement apparatus of a kind of biologic soft tissue mechanical property, has light structure, and susceptiveness is good, and accuracy is high, easy to operate advantage.
The purpose of this utility model is achieved in that the measurement apparatus of a kind of biologic soft tissue mechanical property, including frame, frame includes framework soleplate and frame upper plate, frame pillar it is provided with between framework soleplate and frame upper plate, it is characterized in that: described framework soleplate is provided with electric machine stand and the automatic slipway mechanism of Z axis, the automatic slipway mechanism of Z axis is fixed on electric machine stand side, the automatic slipway mechanism top of Z axis is provided with Z axis sensor, Z axis sensor top is provided with loading container, frame upper plate lower surface is provided with the automatic slipway mechanism of Y-axis and Y-axis drives guide rail, Y-axis drives linking below guide rail to have Y-axis to drive plate, Y-axis drives plate to be connected with the automatic slipway mechanism of Y-axis, Y-axis drives plane X-axis negative direction side on plate to be provided with X-axis and drives guide rail, Y-axis drives plane X-axis positive direction side on plate to be provided with the automatic slipway mechanism of X-axis, the automatic slipway mechanism of X-axis is connected to X-axis and drives plate, X-axis drives the frame bottom of plate X-direction to drive guide rail to be connected with X-axis, X-axis drives the frame bottom of plate Y direction to be provided with the driven guide rail of Y-axis, below the driven guide rail of Y-axis, linking has Y-axis follower plate, on Y-axis follower plate, plane is provided with the driven guide rail of X-axis, above the driven guide rail of X-axis, linking has upper shearing platform, X-axis drives and is provided with Y-axis sensor between plate and Y-axis follower plate, it is provided with X-axis sensor between upper shearing platform and Y-axis follower plate.
Described Y-axis drives plate X-axis negative direction side to be framework, and X-axis positive direction side is entity, and X-axis drives guide rail to be arranged in framework, and the automatic slipway mechanism of X-axis is arranged on physically. X-axis drives plate and Y-axis follower plate to be framework.
The automatic slipway mechanism of described X-axis, the automatic slipway mechanism of Y-axis, the automatic slipway mechanism of Z axis all include the driving connecting plate that the slide unit that motor is connected is connected with slide unit with motor.
Described motor is motor.
Described X-axis sensor, Y-axis sensor, Z axis sensor are tension-compression sensor.
Four described joining places: Y-axis drives guide rail to drive plate, X-axis to drive guide rail to drive plate, the driven guide rail of Y-axis to be connected by slide block with between Y-axis follower plate, the driven guide rail of X-axis and upper shearing platform with X-axis with Y-axis.
Described Y-axis drives guide rail, X-axis to drive guide rail, the driven guide rail of Y-axis, the driven guide rail of X-axis to be dovetail guide, and slide block is the dovetail slide block coordinated with guide rail.
This utility model has following good effect:
1, this utility model have employed double-decker and measures the shearing force of X, Y-axis respectively, largely decreases influencing each other of both direction, thus decreasing experimental error, it is ensured that the degree of accuracy of data.
2, loading container only moves up and down along Z-direction when initial handling sample, keeps fixing, thus reducing the concussion of physiological solution in loading container, it is to avoid measurement result is produced impact by extraneous factor in measurement process.
3, to the control in X-axis, Y-axis, Z-direction, all adopting automatic slipway mechanism to control, the convenience this utility model equipment that improve operation is simply light and handy, volume is little, it is easy to carry, it is possible to be combined use with other experimental facilitiess, thus sample is measured by many-side, multi-angle.
Accompanying drawing explanation
Fig. 1 is the structural representation of the measurement apparatus of biological soft tissue mechanics performance.
Fig. 2 is the main TV structure schematic diagram of the measurement apparatus of biological soft tissue mechanics performance.
Fig. 3 is the plan structure schematic diagram of the measurement apparatus of biological soft tissue mechanics performance.
Structural representation is looked up in the frame upper plate bottom that Fig. 4 is the measurement apparatus of biological soft tissue mechanics performance.
Fig. 5 is partial structurtes schematic diagram below the frame upper plate of the measurement apparatus of biological soft tissue mechanics performance.
In figure: 1. frame upper plate 2.X axle drives connecting plate 3.X spindle motor 4. slide block 5.Z axle slide unit 6.Y axle to drive plate 7.Y axle follower plate 8.Z axle to drive shearing platform 13.X axle sensor 14.Y axle sensor 15.X axle on connecting plate 9.Z spindle motor 10. framework soleplate 11. frame pillar 12. to drive plate 16. loading container 17.Z axle sensor 18. electric machine stand 19.X axle to drive guide rail 20.X axle driven guide rail 21.Y axle to drive guide rail 22.Y axle driven guide rail 23.Y axle to drive connecting plate 24.Y spindle motor 25. frame 26.Z axle automatic slipway mechanism 27.Y axle automatic slipway mechanism 28.X axle automatic slipway mechanism 29.X axle slide unit 30.Y axle slide unit.
Detailed description of the invention
Embodiment 1, such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5, a kind of measurement apparatus of biologic soft tissue mechanical property, including frame 25, frame 25 includes framework soleplate 10 and frame upper plate 1, framework soleplate 10 and frame are provided with between 1 plate frame pillar 11, it is characterized in that: described framework soleplate 10 is provided with electric machine stand 18 and the automatic slipway mechanism 26 of Z axis, the automatic slipway mechanism 26 of Z axis is fixed on electric machine stand 18 side, the automatic slipway mechanism 26 of Z axis includes Z axis motor 9, the Z axis slide unit 5 being connected with Z axis motor 9, the Z axis being connected with Z axis slide unit 5 drives connecting plate 8, Z axis drives and is provided with Z axis sensor 17 on connecting plate 8, Z axis sensor 17 is provided above loading container 16, frame upper plate 1 lower surface is provided with the automatic slipway mechanism 27 of Y-axis and Y-axis drives guide rail 21, the automatic slipway mechanism 27 of Y-axis includes y-axis motor 24, the Y-axis slide unit 30 being connected with y-axis motor 24, the Y-axis being connected with Y-axis slide unit 30 drives connecting plate 23,Y-axis drives guide rail 21 to drive plate 6 to be connected by slide block 4 with Y-axis, Y-axis drives plate 6 to be connected with the automatic slipway mechanism 27 of Y-axis, Y-axis drives X-axis negative direction side above plate 6 to be provided with X-axis and drives guide rail 19, Y-axis drives X-axis positive direction side above plate 6 to be provided with the automatic slipway mechanism 28 of X-axis, Y-axis drives the X-axis negative direction side of plate 6 to be framework, X-axis positive direction side is entity, and X-axis drives guide rail 19 to be arranged in framework, and the automatic slipway mechanism 28 of X-axis is arranged on physically. the automatic slipway mechanism 28 of X-axis is connected to X-axis and drives plate 15, the automatic slipway mechanism 28 of X-axis includes X-axis motor 3, the X-axis slide unit 29 being connected with X-axis motor 3, the X-axis being connected with X-axis slide unit 29 drives connecting plate 2, X-axis drives connecting plate 2 to drive plate 15 to be connected with X-axis, X-axis drives Y-direction below plate 15 to drive guide rail 19 to be connected by slide block with X-axis, X-axis drives X-direction below plate 15 to be provided with the driven guide rail 22 of Y-axis, it is connected by slide block 4 with Y-axis follower plate 7 below the driven guide rail 22 of Y-axis, Y-axis follower plate 7 is provided above the driven guide rail 20 of X-axis, it is connected by slide block 4 with upper shearing platform 12 above the driven guide rail of X-axis 20, X-axis drives and is provided with Y-axis sensor 14 between plate 15 and Y-axis follower plate 7, it is provided with X-axis sensor 13 between upper shearing platform 12 and Y-axis follower plate 7.
Described structure can be divided into drive division, support portion, setting-out portion, control portion and measurement portion by this utility model, drive division includes: drive plate and follower plate, and for connecting the driving connecting plate of automatic slide unit and each axially driving plate, with for guiding the guide rail and slide block driving plate and follower plate to slide axially; Support portion includes: the framework soleplate of equipment foot and the upper electric machine stand for fixing Z axis motor thereof, is positioned at the frame pillar of framework soleplate corner and frame upper plate; Setting-out portion includes: the loading container being connected with the automatic slipway mechanism of Z axis, and upper shearing platform; Control portion includes: slide unit and the motor for command displacement; Measurement portion includes: for measuring the tension-compression sensor of three axial power.
In drive division, Y-axis drives plate by the slide block being fixed thereon and to be fixed on the Y-axis driving guide rail below frame upper plate, it is achieved Y-axis drives plate in the slip of Y direction; X-axis drives plate by the slide block being fixed on below and to be fixed on the guide rail above Y-axis driving plate, it is achieved X-axis drives plate in the slip of X-direction; Y-axis follower plate is by the slide block of side fixed thereon and is fixed on the guide rail below X-axis driving plate, it is achieved Y-axis follower plate is in the slip of Y direction; Upper shearing platform is by the slide block being fixed on below and the driven guide rail of X-axis being fixed on Y-axis follower plate, it is achieved sample is in the movement of X-direction; Guide rail is dovetail guide, and slide block is the dovetail slide block coordinated with guide rail, and the position recessed with guide rail, the position of slide block projection coordinates.
In setting-out portion, the lower section of upper shearing platform is fixed with for its slide block along the driven slide of X-axis.
In control portion, X-axis motor is fixed on Y-axis and drives plate top; Y-axis motor is fixed on the lower surface of frame upper plate; Z axis motor side is fixed on electric machine stand, and electric machine stand is fixed on framework soleplate.
In measurement portion, X-axis sensor one end is fixed on Y-axis follower plate, and the other end is force side, and connection is sheared platform, and Y-axis sensor one end is fixed on X-axis and drives on plate, and the other end is force side, is connected on Y-axis follower plate.
Sample upper surface is pasted onto upper shearing platform by this utility model in use, and movement loading container makes sample lower surface be pasted onto in the circular groove of loading container, then in groove, add physiological solution, adjust the sample distance from upper shearing platform finally by Z axis motor, make sample in the raw according to the registration of Z axis sensor.First measure X-axis to shear: by setting displacement and the speed of the automatic slide unit of X-axis, control sample in the shear displacemant of X-axis and speed, slide unit X-axis just (bearing) direction move time, X-axis is driven to drive connecting plate to move, thus driving X-axis to drive plate, the driven guide rail of Y-axis and Y-axis follower plate just (are being born) direction in X-axis and are being driven slide along X-axis, now one end is fixed on the X-axis sensor on Y-axis follower plate, (drawing) dynamic upper platform of shearing is pushed away along the driven slide of X-axis by force side, thus driving sample to produce corresponding deformation, obtained, by X-axis sensor, the shearing force that sample is corresponding under this deformation simultaneously. after X-axis shearing test, sample is made to return to original state. start to measure Y-axis to shear, by setting displacement and the speed of the automatic slide unit of Y-axis, control sample in the shear displacemant of Y-axis and speed, slide unit Y-axis just (bearing) direction move time, Y-axis is driven to drive connecting plate to move, thus driving Y-axis to drive plate (and the automatic slipway mechanism of X-axis fixed thereon, X-axis drives guide rail and drives the X-axis of guide rail linking to drive plate by X-axis) drive guide rail to move along Y-axis, now, one end is fixed on X-axis and drives the Y-axis sensor on plate, (drawing) dynamic Y-axis follower plate (and X-axis sensor thereon is pushed away by force side, the driven guide rail of X-axis and the upper shearing platform by the linking of X-axis driven guide rail) slide along the driven guide rail of Y-axis in Y direction, thus driving sample to produce corresponding deformation, obtained, by Y-axis sensor, the shearing force that sample is corresponding under this deformation simultaneously.
Above-described embodiment is only preferred embodiment of the present utility model; not in order to limit this utility model; for a person skilled in the art; this utility model can have various modifications and variations; all within spirit of the present utility model and principle; any amendment of being made, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (7)
1. the measurement apparatus of a biologic soft tissue mechanical property, including frame, frame includes framework soleplate and frame upper plate, frame pillar it is provided with between framework soleplate and frame upper plate, it is characterized in that: described framework soleplate is provided with electric machine stand and the automatic slipway mechanism of Z axis, the automatic slipway mechanism of Z axis is fixed on electric machine stand side, the automatic slipway mechanism top of Z axis is provided with Z axis sensor, Z axis sensor top is provided with loading container, frame upper plate lower surface is provided with the automatic slipway mechanism of Y-axis and Y-axis drives guide rail, Y-axis drives linking below guide rail to have Y-axis to drive plate, Y-axis drives plate to be connected with the automatic slipway mechanism of Y-axis, Y-axis drives plane X-axis negative direction side on plate to be provided with X-axis and drives guide rail, Y-axis drives plane X-axis positive direction side on plate to be provided with the automatic slipway mechanism of X-axis, the automatic slipway mechanism of X-axis is connected to X-axis and drives plate, X-axis drives the frame bottom of plate X-direction to drive guide rail to be connected with X-axis, X-axis drives the frame bottom of plate Y direction to be provided with the driven guide rail of Y-axis, below the driven guide rail of Y-axis, linking has Y-axis follower plate, on Y-axis follower plate, plane is provided with the driven guide rail of X-axis, above the driven guide rail of X-axis, linking has upper shearing platform, X-axis drives and is provided with Y-axis sensor between plate and Y-axis follower plate, it is provided with X-axis sensor between upper shearing platform and Y-axis follower plate.
2. the measurement apparatus of biologic soft tissue mechanical property according to claim 1, it is characterized in that: described Y-axis drives plate X-axis negative direction side to be framework, X-axis positive direction side is entity, X-axis drives guide rail to be arranged in framework, the automatic slipway mechanism of X-axis is arranged on physically, and X-axis drives plate and Y-axis follower plate to be framework.
3. the measurement apparatus of biologic soft tissue mechanical property according to claim 1, it is characterised in that: the automatic slipway mechanism of described X-axis, the automatic slipway mechanism of Y-axis, the automatic slipway mechanism of Z axis all include the driving connecting plate that the slide unit that motor is connected is connected with slide unit with motor.
4. the measurement apparatus of biologic soft tissue mechanical property according to claim 3, it is characterised in that: described motor is motor.
5. the measurement apparatus of biologic soft tissue mechanical property according to claim 1, it is characterised in that: described X-axis sensor, Y-axis sensor, Z axis sensor are tension-compression sensor.
6. the measurement apparatus of biologic soft tissue mechanical property according to claim 1, it is characterised in that: described Y-axis drives guide rail to drive plate, X-axis to drive guide rail to drive plate, the driven guide rail of Y-axis to be connected by slide block with between Y-axis follower plate, the driven guide rail of X-axis and upper shearing platform with X-axis with Y-axis.
7. the measurement apparatus of biologic soft tissue mechanical property according to claim 6, it is characterised in that: described Y-axis drives guide rail, X-axis to drive guide rail, the driven guide rail of Y-axis, the driven guide rail of X-axis to be dovetail guide, and slide block is the dovetail slide block coordinated with guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620032834.5U CN205301101U (en) | 2016-01-05 | 2016-01-05 | Measurement device for biological soft tissue mechanical properties |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620032834.5U CN205301101U (en) | 2016-01-05 | 2016-01-05 | Measurement device for biological soft tissue mechanical properties |
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| Publication Number | Publication Date |
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| CN205301101U true CN205301101U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620032834.5U Withdrawn - After Issue CN205301101U (en) | 2016-01-05 | 2016-01-05 | Measurement device for biological soft tissue mechanical properties |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527174A (en) * | 2016-01-05 | 2016-04-27 | 郑州大学 | Measuring device of biological soft tissue mechanical properties |
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2016
- 2016-01-05 CN CN201620032834.5U patent/CN205301101U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527174A (en) * | 2016-01-05 | 2016-04-27 | 郑州大学 | Measuring device of biological soft tissue mechanical properties |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160608 Effective date of abandoning: 20180529 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20160608 Effective date of abandoning: 20180529 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |