CN209974787U - Variable gravity cell experimental device based on three-dimensional rotation - Google Patents
Variable gravity cell experimental device based on three-dimensional rotation Download PDFInfo
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- CN209974787U CN209974787U CN201920402601.3U CN201920402601U CN209974787U CN 209974787 U CN209974787 U CN 209974787U CN 201920402601 U CN201920402601 U CN 201920402601U CN 209974787 U CN209974787 U CN 209974787U
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Abstract
The utility model discloses a variable gravity cell experimental device based on three-dimensional rotation, which comprises a three-dimensional rotating unit, a cell constant direction stress unit fixed on the three-dimensional rotating unit and a monitoring control unit connected with the three-dimensional rotating unit; the cell culture bottle is fixed on the cell constant direction stress unit, can rotate around a spherical surface along with the three-dimensional rotating unit to generate centripetal acceleration in each direction, the corresponding centrifugal force and gravity can form resultant force with constantly changing magnitude and direction, the cell constant direction stress unit can enable the cell culture bottle to constantly and synchronously change with the direction of the resultant force, the monitoring and controlling unit can monitor the stress condition of the cells and change the stress magnitude of the cells by regulating and controlling the rotating speed of the three-dimensional rotating unit, and finally the cells can feel equivalent gravity stimulation with variable magnitude. The utility model discloses can be used to the influence of different mechanical environment such as step-down gravity, time-varying hypergravity and coriolis force to the cell function when studying.
Description
Technical Field
The utility model belongs to biomechanics experimental facilities field, concretely relates to become gravity cell experimental apparatus based on three-dimensional rotation.
Background
In recent years, people-carrying aerospace industry in China is rapidly developed, and the China gradually moves to the middle-long aerospace flying stage. The microgravity environment generated in the aerospace flight can cause a series of changes of a human cardiovascular system, a skeletal muscle system and the like, and the physical health of astronauts is seriously harmed. Therefore, it is necessary to study the characteristics and rules of physiological changes of human body under microgravity, especially to study the mechanism of occurrence at cellular level and molecular level, and further to provide a targeted protection measure. In view of the limitation of the meeting and the cost of the aerospace flight vehicle, aerospace medical researchers develop a great deal of ground simulated microgravity experimental research, discover a series of molecular targets and signal channels participating in the influence of microgravity on human physiological functions, but still do not completely disclose the starting mechanism and the development mechanism of human physiological dysfunction caused by microgravity or weightless environment.
At present, gyrators are widely used at home and abroad to simulate the microgravity effect of cell level on the ground. On the gyroscope, the biological sample is still in the gravitational field and is subjected to a constant gravity vector. However, due to the rotation of the rotator, the moving direction of the biological sample carried by the rotator is changed continuously, and the rotator cannot respond to the gravity in a certain direction all the time, so that the microgravity biological effect of the cells under the condition of aviation flight is simulated. The gyrator provides an economic and efficient mode for developing a biological effect and a generation mechanism at a cell level under a simulated microgravity condition on the ground, but the real space environment does not have constant microgravity, but a microgravity and low gravity field which is formed by various mechanical environments and changes constantly, and the gyrator can only simulate constant microgravity experimental conditions, cannot realize a certain low gravity experimental condition or a gradient change experimental condition setting from the microgravity to normal gravity or even supergravity, and possibly misses the discovery of a plurality of important regulation factors or signal molecules.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to provide a become gravity cell experimental apparatus based on three-dimensional rotation overcomes the defect of the experimental condition of time-varying gravity to cell function influence in the study of simulating the little gravity biological effect at present.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
a variable gravity cell experimental device based on three-dimensional rotation comprises a three-dimensional rotation unit, a cell constant direction stress unit fixed on the three-dimensional rotation unit and a monitoring control unit connected with the three-dimensional rotation unit; the three-dimensional rotating unit comprises a radial rotating ring and a rotating shaft ring which are concentrically arranged;
the outer sides of two horizontal ends of the diameter-winding rotating ring are arranged on the support through a shaft sleeve and a wheel shaft, and the support on one side of the wheel shaft is provided with a first motor connected with the wheel shaft and used for driving the wheel shaft to drive the diameter-winding rotating ring to rotate 360 degrees around the horizontal diameter of the diameter-winding rotating ring;
the rotating ring around the shaft is connected to the inner side of the rotating ring around the diameter through an anchoring pulley and can rotate circumferentially relative to the rotating ring around the diameter; the outer side of the rotating shaft ring is provided with the gear grains, the outer side of the rotating shaft ring is meshed with a straight gear shaft, and the straight gear shaft is connected with a second motor and used for driving the straight gear shaft to drive the rotating shaft ring to rotate circumferentially; the second motor is fixed on the diameter-winding rotating ring;
and the first motor and the second motor are both connected with the monitoring control unit.
The utility model discloses still include following technical characteristic:
optionally, the cell constant-direction stress unit comprises a semi-annular support, an outer ring and an inner ring which are concentrically arranged from outside to inside in sequence, and further comprises a support rod arranged at the lower end of the semi-annular support, a placing plate arranged on the inner ring and used for placing a cell culture bottle, a cone support arranged on the placing plate, and a heavy hammer arranged at the tip of the cone support;
the outer sides of two ends of the outer ring in the diameter direction are connected with the inner side of the semi-annular support through shaft sleeves so that the outer ring can rotate by taking the diameter of the outer ring as an outer ring rotation central shaft, and the outer sides of two ends of the inner ring in the diameter direction are connected with two ends of the inner side of the outer ring through shaft sleeves so that the inner ring can rotate by taking the diameter of the inner ring as an inner ring rotation central shaft; the outer ring rotation central shaft is vertical to the inner ring rotation central shaft;
the left end and the right end of the inner side of the inner ring are connected with the two ends of the object placing plate through shaft sleeves, so that the object placing plate can rotate by taking the diameter of the object placing plate as a rotating central shaft of the object placing plate; the rotating central shaft of the object placing plate is vertical to the rotating central shaft of the inner ring;
the cone support is fixed on the back of the object placing plate, and the vertical distance from the top of the heavy hammer to the bottom surface of the cone support is smaller than the radius of the inner ring;
the lower end of the supporting rod is fixed on the inner side of the rotating shaft ring, the upper end of the supporting rod is provided with the semi-annular support, the opening of the semi-annular support is upward, and the bottom of the semi-annular support is fixed on the upper end of the supporting rod.
Optionally, the supporting rod is of a rotary telescopic structure and can be adjusted in length.
Optionally, the monitoring control unit comprises an acceleration sensor and a controller;
the acceleration sensor is arranged on the bottom surface of the cone support, can keep synchronous rotation with a cell culture bottle placed on the object placing plate, monitors the acceleration applied to the cell culture bottle at any time, and is connected with the controller through a radio.
The controller is respectively connected with the first motor and the second motor.
Optionally, the insections on the outer side surface of the rotating ring around the shaft are helical teeth and are in contact fit with the insections on the straight gear shaft; one end of the straight gear shaft is connected with the diameter-winding rotating ring through a shaft sleeve, and the other end of the straight gear shaft is connected with the second motor;
the front side surface and the rear side surface of the rotating shaft ring are provided with annular chutes;
and a guide ring groove is arranged on the inner side of the diameter-winding rotating ring.
Optionally, the anchoring pulley comprises a U-shaped frame with a downward opening, a shaft rod vertically fixed at the middle position of the upper end outside the top plate of the U-shaped frame, and two balls arranged on the inner walls of two side plates of the U-shaped frame;
the shaft lever is fixed in a guide ring groove of the diameter-winding rotating ring;
the balls are limited between the annular sliding groove of the pivoting ring and the inner wall of the side plate of the U-shaped frame, and the pivoting ring is limited between two balls on the inner wall of the two side plates of the U-shaped frame, so that the pivoting ring slides between the two balls of the anchoring pulley, and circumferential rotation of the pivoting ring and the pivoting ring in synchronous radial rotation is guaranteed.
Optionally, there are four anchor pulleys, four of which are located at quarter positions of the rotating ring.
Optionally, the inner side surface of the rotating ring is provided with a plurality of screw holes for installing a plurality of cell constant-direction stress units inside the rotating ring.
Compared with the prior art, the utility model, following technological effect has:
(I) the utility model discloses a three-dimensional rotating unit, cell are constant to atress unit, monitor control unit etc. and the cell culture bottle is fixed on the thing board is put to the atress unit is constant to the cell, and the cell is constant to the atress unit can be along with three-dimensional rotating unit around the sphere rotation, produces the centripetal acceleration of each direction to make the cell receive the centrifugal force effect that corresponding direction deviates from the centre of sphere, this centrifugal force and gravity form the resultant force that changes constantly and act on the cell, thereby realize the variable gravity effect.
(II) the utility model discloses a cell syntropy atress unit can make the cell culture bottle all the time with resultant force direction synchronous change, outer loop and semi-ring support on the cell syntropy atress unit, inner ring and outer loop, all can take place relative rotation between putting thing board and the inner ring, thereby make and put the weight that the thing board is connected and can freely reach any one position of sphere, centrifugal force and gravity produced resultant force act on the weight, the weight drives puts the thing board and goes up the cell culture bottle and rotate, make resultant force vertical action cell culture bottle all the time, the monitoring and control unit can monitor the atress condition of cell and change centrifugal force direction and size through regulating and controlling the respective rotational speed of two motors in the three-dimensional rotary unit, finally make the cell experience the unchangeable size adjustable equivalent gravity stimulation of direction.
(III) the utility model can control the centrifugal force and direction through controlling the rotating speed of the radial rotating ring and the rotating speed of the axial rotating ring by the monitoring control unit, for example, the cell culture bottle can be always positioned on the upper hemisphere or the lower hemisphere when rotating along with the cell constant direction stress unit, thereby generating the effect of time-varying low gravity or time-varying super gravity; the utility model discloses can be used to the influence of different mechanical environment such as step-down gravity, time-varying hypergravity and coriolis force to the cell function when studying.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the three-dimensional rotating unit of the present invention.
FIG. 3 is a schematic diagram of the structure of the cell constant direction stress unit of the present invention.
Fig. 4 is a schematic view of the anchoring pulley structure of the present invention.
The meaning of the individual reference symbols in the figures is: 1-three-dimensional rotation unit, 2-cell constant direction stress unit, 3-monitoring control unit;
11-a radial rotating ring, 12-a pivoting ring, 13-a bracket, 14-a first motor, 15-an anchoring pulley, 151-a U-shaped frame, 152-a shaft rod, 153-a side plate, 154-a ball, 16-a straight gear shaft, 17-a second motor;
21-semi-ring support, 22-outer ring, 23-inner ring, 24-support rod, 25-object placing plate, 26-cone support and 27-weight hammer;
31-acceleration sensor, 32-controller.
Detailed Description
The following embodiments of the present invention are given, and it should be noted that the present invention is not limited to the following embodiments, and all the equivalent transformations made on the basis of the technical solution of the present application all fall into the protection scope of the present invention.
Example 1:
following the above technical solution, as shown in fig. 1 to 4, the present embodiment provides a variable gravity cell experiment apparatus based on three-dimensional rotation, which includes a three-dimensional rotation unit 1, a cell constant direction force unit 2 fixed on the three-dimensional rotation unit 1, and a monitoring control unit 3 connected to the three-dimensional rotation unit 1; the three-dimensional rotating unit 1 comprises a radial rotating ring 11 and a pivoting ring 12 which are concentrically arranged; the cell constant direction force unit 2 fixed on the rotating shaft 12 moves spherically along with the cell constant direction force unit, centripetal acceleration in each direction is generated, and a resultant force changing constantly is formed by the corresponding centrifugal force and gravity. The outer sides of two ends of the horizontal diameter of the diameter-winding rotating ring 11 are arranged on a support 13 through a shaft sleeve and a wheel shaft, and the support 13 on one side of the wheel shaft is provided with a first motor 14 connected with the wheel shaft and used for driving the wheel shaft to drive the diameter-winding rotating ring 11 to rotate 360 degrees around the horizontal diameter; the rotating ring 12 is connected to the inside of the rotating ring 11 via an anchor pulley 15 and can rotate circumferentially with respect to the rotating ring 11; the outer side of the rotating ring 12 is provided with gear grains, the outer side of the rotating ring 12 is meshed with a straight gear shaft 16, the straight gear shaft 16 is connected with a second motor 17 and used for driving the straight gear shaft 16 to drive the rotating ring 12 to rotate circumferentially, and the second motor 17 is fixed on the rotating ring 11; the first motor 14 and the second motor 17 are both connected to the monitoring control unit 3, so that the monitoring control unit 3 controls the first motor 14 and the second motor 17, specifically, in this embodiment, both the first motor 14 and the second motor 17 can be connected to the monitoring control unit 3 through the conductive brush. The utility model discloses the cell is constant to atress unit 2 can be rotatory around the sphere along with three-dimensional rotatory unit 1, produce the centripetal acceleration of each direction, its corresponding centrifugal force can form the resultant force that changes constantly with gravity, can make the cell culture bottle change with resultant force direction synchronization all the time through the cell is constant to atress unit 2, monitoring control unit 3 can monitor the atress condition of cell and change centrifugal force direction and size through regulating and controlling the respective rotational speed of two motors in the three-dimensional rotatory unit 1, finally make the cell experience the unchangeable size adjustable equivalent gravity stimulation of direction.
As shown in fig. 1 and fig. 3, the cell constant direction stress unit 2 comprises a semi-annular support 21, an outer ring 22 and an inner ring 23 concentrically arranged from outside to inside, and further comprises a support rod 24 arranged at the lower end of the semi-annular support 21, a placing plate 25 arranged on the inner ring 23 and used for placing a cell culture bottle, a cone support 26 arranged on the placing plate 25, and a weight 27 arranged at the tip of the cone support 26; the outer sides of two ends of the outer ring 22 in the diameter direction are connected with the inner side of the semi-annular support 21 through shaft sleeves so that the outer ring 22 can rotate by taking the diameter of the outer ring as an outer ring rotation central shaft, and the outer sides of two ends of the inner ring 23 in the diameter direction are connected with two ends of the inner side of the outer ring 22 through shaft sleeves so that the inner ring 23 can rotate by taking the diameter of the inner ring as an inner ring rotation central shaft; the outer ring rotation central axis is vertical to the inner ring rotation central axis; the left end and the right end of the inner side of the inner ring 23 are connected with the two ends of the object placing plate 25 through shaft sleeves, so that the object placing plate 25 can rotate by taking the diameter of the object placing plate as a rotating central shaft of the object placing plate; the rotating central shaft of the object placing plate is vertical to the rotating central shaft of the inner ring; the cone support 26 is fixed on the back of the object placing plate 25, and the vertical distance from the top of the weight 27 to the bottom surface of the cone support 26 is smaller than the radius of the inner ring 23. The cell constant direction stress unit 2 is fixed on the inner side of the pivoting ring 12 through a support rod 24 and can do spherical motion along with the cell constant direction stress unit; under the resultant force action formed by the centrifugal force and the gravity, the weight 27 can freely reach any position of the spherical surface through the small three-dimensional rotating structure formed by the outer ring 22, the inner ring 23, the object placing plate 25 and the like, and always keeps consistent with the direction of the resultant force, and the weight 27 drives the object placing plate 25 and the cell culture bottle thereon to move together, so that the resultant force always vertically acts on the cell culture bottle and the cells therein.
More specifically, the lower end of the support rod 24 is fixed inside the pivoting ring 12, the upper end of the support rod 24 is provided with the semi-annular bracket 21, the semi-annular bracket 21 is opened upwards, and the bottom of the semi-annular bracket 21 is fixed at the upper end of the support rod 24.
In this embodiment, the support rod 24 is a rotary telescopic structure, and the length of the support rod can be adjusted, so that the cells can generate different rotary radiuses, thereby meeting the requirement of adjusting the centrifugal force, and being suitable for different test requirements.
As shown in fig. 1 and 3, the monitoring control unit 3 includes an acceleration sensor 31 and a controller 32; the acceleration sensor 31 is arranged on the bottom surface of the cone support 26, can keep synchronous rotation with the cell culture bottle placed on the object placing plate 25, constantly monitors the acceleration applied to the cell culture bottle, and the acceleration sensor 31 is connected with the controller 32 through radio.
The controller 32 is connected to the first motor 14 and the second motor 17, respectively, and can control the two motors to rotate at different speeds.
The insection on the outer side surface of the rotating shaft ring 12 is helical teeth and is in contact fit with the insection on the straight gear shaft 16; one end of a straight gear shaft 16 is connected with the diameter-winding rotating ring 11 through a shaft sleeve, and the other end of the straight gear shaft is connected with a second motor 17; the front side surface and the rear side surface of the pivoting ring 12 are both provided with annular chutes; the inner side of the diameter-winding rotating ring 11 is provided with a guide ring groove.
The anchoring pulley 15 comprises a U-shaped frame 151 with a downward opening, a shaft rod 152 vertically fixed at the middle position of the upper end outside the top plate of the U-shaped frame 151 and two balls 154 arranged on the inner walls of two side plates 153 of the U-shaped frame 151; the shaft 152 is fixed in the guide ring groove of the circling ring 11; the balls 154 are limited between the annular sliding groove of the rotating ring 12 and the inner wall of the side plate 153 of the U-shaped frame 151, and the rotating ring 12 is limited between two balls 154 on the inner wall of the two side plates 153 of the U-shaped frame 151, so that the rotating ring 12 slides between the two balls 154 of the anchoring pulley 15, and the rotating ring 12 can rotate circumferentially while rotating radially synchronously with the rotating ring 11.
In this embodiment, there are four anchor pulleys 15, and the four anchor pulleys 15 are disposed at the quartering position of the rotating ring 12 to realize concentric arrangement of the rotating ring 12 and the rotating ring 11, and to realize circumferential rotation of the rotating ring 12 while rotating in a radial direction synchronously with the rotating ring 11.
The inner side of the rotating ring 12 has a plurality of screw holes for installing a plurality of cell constant direction force-receiving units 2 inside the rotating ring 12.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (8)
1. A variable gravity cell experimental device based on three-dimensional rotation is characterized by comprising a three-dimensional rotating unit (1), a cell constant direction stress unit (2) fixed on the three-dimensional rotating unit (1) and a monitoring control unit (3) connected with the three-dimensional rotating unit (1); the three-dimensional rotating unit (1) comprises a diameter-winding rotating ring (11) and a shaft-winding rotating ring (12) which are concentrically arranged;
the outer sides of two horizontal ends of the diameter-winding rotating ring (11) are arranged on a support (13) through a shaft sleeve and a wheel shaft, and a first motor (14) connected with the wheel shaft is arranged on the support (13) on one side of the wheel shaft;
the rotating ring (12) around the shaft is connected to the inner side of the rotating ring (11) around the diameter through an anchoring pulley (15) and can rotate circumferentially relative to the rotating ring (11) around the diameter; the outer side of the rotating shaft ring (12) is provided with insections, the outer side of the rotating shaft ring (12) is meshed with a straight gear shaft (16), the straight gear shaft (16) is connected with a second motor (17), and the second motor (17) is fixed on the rotating shaft (11);
the first motor (14) and the second motor (17) are connected with the monitoring control unit (3).
2. The variable gravity cell experiment device based on three-dimensional rotation as claimed in claim 1, wherein the cell constant direction stress unit (2) comprises a semi-annular support (21), an outer ring (22) and an inner ring (23) which are concentrically arranged from outside to inside, a support rod (24) arranged at the lower end of the semi-annular support (21), a placing plate (25) arranged on the inner ring (23) and used for placing a cell culture bottle, a cone support (26) arranged on the placing plate (25), and a heavy hammer (27) arranged at the tip of the cone support (26);
the outer sides of two ends of the outer ring (22) in the diameter direction are connected with the inner side of the semi-annular support (21) through shaft sleeves, so that the outer ring (22) can rotate by taking the diameter of the outer ring as an outer ring rotation central shaft, and the outer sides of two ends of the inner ring (23) in the diameter direction are connected with two ends of the inner side of the outer ring (22) through shaft sleeves, so that the inner ring (23) can rotate by taking the diameter of the inner ring as an inner ring rotation central shaft; the outer ring rotation central shaft is vertical to the inner ring rotation central shaft;
the left end and the right end of the inner side of the inner ring (23) are connected with the two ends of the object placing plate (25) through shaft sleeves, so that the object placing plate (25) can rotate by taking the diameter of the object placing plate as a rotating central shaft of the object placing plate; the rotating central shaft of the object placing plate is vertical to the rotating central shaft of the inner ring;
the cone support (26) is fixed on the back of the object placing plate (25), and the vertical distance from the top of the heavy hammer (27) to the bottom surface of the cone support (26) is smaller than the radius of the inner ring (23);
the lower end of the supporting rod (24) is fixed on the inner side of the rotating shaft ring (12), the upper end of the supporting rod (24) is provided with the semi-annular support (21), the opening of the semi-annular support (21) is upward, and the bottom of the semi-annular support (21) is fixed on the upper end of the supporting rod (24).
3. The variable gravity cell experiment device based on three-dimensional rotation as claimed in claim 2, wherein the support rod (24) is a rotary telescopic structure, and the length of the support rod can be adjusted.
4. The variable gravity cell experiment device based on three-dimensional rotation according to claim 2, wherein the monitoring control unit (3) comprises an acceleration sensor (31) and a controller (32);
the acceleration sensor (31) is arranged on the bottom surface of the cone support (26), can keep synchronous rotation with a cell culture bottle placed on the object placing plate (25), monitors the acceleration applied to the cell culture bottle at any time, and is connected with the controller (32) through radio;
the controller (32) is respectively connected with the first motor (14) and the second motor (17).
5. The variable gravity cell experiment device based on three-dimensional rotation as claimed in claim 1, wherein the insections on the outer side surface of the rotating shaft (12) are helical teeth and are in contact fit with the insections on the spur gear shaft (16); one end of the straight gear shaft (16) is connected with the diameter-winding rotating ring (11) through a shaft sleeve, and the other end of the straight gear shaft is connected with a second motor (17);
the front side surface and the rear side surface of the pivoting ring (12) are provided with annular chutes;
and a guide ring groove is arranged on the inner side of the diameter-winding rotating ring (11).
6. The variable gravity cell experiment device based on three-dimensional rotation as claimed in claim 5, wherein the anchoring pulley (15) comprises a U-shaped frame (151) with a downward opening, a shaft rod (152) vertically fixed at the middle position of the upper end of the outer part of the top plate of the U-shaped frame (151) and two balls (154) arranged on the inner walls of two side plates (153) of the U-shaped frame (151);
the shaft lever (152) is fixed in a guide ring groove of the radial rotating ring (11);
the balls (154) are limited between the annular sliding groove of the pivoting ring (12) and the inner wall of the side plate (153) of the U-shaped frame (151), the pivoting ring (12) is limited between the two balls (154) on the inner wall of the two side plates (153) of the U-shaped frame (151), the pivoting ring (12) slides between the two balls (154) of the anchoring pulley (15), and circumferential rotation of the pivoting ring (12) and the radial rotation ring (11) can be guaranteed while synchronous radial rotation is achieved.
7. The variable gravity cell experiment device based on three-dimensional rotation according to claim 6, wherein the number of the anchor pulleys (15) is four, and four anchor pulleys (15) are provided at the quarter positions of the rotating shaft (12).
8. The variable gravity cell experiment device based on three-dimensional rotation as claimed in claim 1, wherein the inner side of the rotating ring (12) is provided with a plurality of screw holes for installing a plurality of cell constant force units (2) inside the rotating ring (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920402601.3U CN209974787U (en) | 2019-03-27 | 2019-03-27 | Variable gravity cell experimental device based on three-dimensional rotation |
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| CN201920402601.3U CN209974787U (en) | 2019-03-27 | 2019-03-27 | Variable gravity cell experimental device based on three-dimensional rotation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004046A (en) * | 2019-03-27 | 2019-07-12 | 中国人民解放军第四军医大学 | A kind of change gravity cell experiment device based on three-dimensional rotation |
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2019
- 2019-03-27 CN CN201920402601.3U patent/CN209974787U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004046A (en) * | 2019-03-27 | 2019-07-12 | 中国人民解放军第四军医大学 | A kind of change gravity cell experiment device based on three-dimensional rotation |
| CN110004046B (en) * | 2019-03-27 | 2023-11-24 | 中国人民解放军第四军医大学 | Variable gravity cell experimental device based on three-dimensional rotation |
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