CN210328929U - Rat swash plate test measuring device - Google Patents
Rat swash plate test measuring device Download PDFInfo
- Publication number
- CN210328929U CN210328929U CN201920906503.3U CN201920906503U CN210328929U CN 210328929 U CN210328929 U CN 210328929U CN 201920906503 U CN201920906503 U CN 201920906503U CN 210328929 U CN210328929 U CN 210328929U
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- rotating plate
- plate
- rat
- measuring device
- stepping motor
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- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 241000700159 Rattus Species 0.000 description 17
- 238000002474 experimental method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 208000020339 Spinal injury Diseases 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000007659 motor function Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010171 animal model Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
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Abstract
The utility model discloses a rat swash plate test measuring device, which comprises a bottom plate (1) and a rotating plate (2) which are hinged together, wherein an arc-shaped angle protractor (3) is fixed at the non-hinged end of the bottom plate (1), a rubber layer (4) is arranged on the rotating plate (2), and baffles (5) are arranged at the two sides of the rotating plate (2); the measuring device further comprises a controller, an infrared fence (6), a stepping motor (7) and a gear (8), wherein the stepping motor (7) and the gear (8) are arranged at the non-hinged end of the rotating plate, a rack (9) is arranged on the inner side of the arc-shaped angle measuring ruler (3), and the stepping motor drives the gear to move along the rack under the control of the controller; the infrared fence (6) is arranged at the lower end of the rotating plate. The utility model provides a measuring device can be by a test personnel independent operation, can make the motor close automatically when the rat gliding, and experimental error is little, and angular surveying can direct reading, convenient operation moreover.
Description
Technical Field
The utility model relates to an animal experiment equipment technical field especially relates to a rat swash plate test measuring device.
Background
The evaluation of the motor function of the limbs of the experimental animals after the spinal injury directly reflects the repair and regeneration level of the spine and the improvement condition of the peripheral motor function, and is indispensable for evaluating the effect of various therapeutic intervention measures. In the fundamental research of spinal injuries, the experimental objects mostly take rats as the main part, and the evaluation of behavior and function is mostly carried out by adopting an inclined plate test after the spinal injuries of the rats.
At present, the tool for carrying out the inclined plate test in a laboratory is mostly a self-made simple device, generally, the inclined plate is provided with a groove, the measuring method is that two persons are matched, one person manually controls the angle of the inclined plate, and one person holds the measuring result of the protractor. The simple device has the following defects: firstly, when the inclined plate is held by hands, hands shake, the holding force of four limbs of a rat is further influenced, the measurement result of an experiment is influenced, and the inclined angle of the inclined plate is enlarged or reduced due to the hand shake, so that the experiment error is large; secondly, the change of a slight angle cannot be controlled by hands, and especially when the maximum inclination angle is close to, the slight angle change can cause the rat to slide off the inclined plate; thirdly, the angle is measured by adopting a protractor manually, and the error is large; finally, the device can complete the test only by matching two persons, and the operation is complex.
The chinese patent with application number 201621486643.2 discloses a rotor plate test measuring device, but this patent experiment error is big, can not control the change of slight angle, can not prevent simultaneously that the rat drunkenness action in the experimentation from influencing the experimentation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rat swash plate test measuring device, can be by a test personnel independent operation, can make the motor close automatically when the rat gliding, and experimental error is little, and angular surveying can direct reading moreover, convenient operation.
The technical scheme of the utility model as follows: a rat inclined plate test measuring device comprises a bottom plate 1 and a rotating plate 2 which are hinged together, wherein an arc-shaped angle measuring ruler 3 is fixed at the non-hinged end of the bottom plate 1, a rubber layer 4 is arranged on the rotating plate 2, and baffles 5 are arranged on two sides of the rotating plate 2; the measuring device further comprises a controller, an infrared fence 6, a stepping motor 7 and a gear 8, wherein the stepping motor 7 and the gear 8 are arranged at the non-hinged end of the rotating plate, a rack 9 is arranged on the inner side of the arc-shaped angle measuring ruler 3, the stepping motor drives the gear to move along the rack under the control of the controller, and a reading pointer 12 capable of moving along the arc-shaped angle measuring ruler is connected to the stepping motor; the infrared fence 6 is arranged at the lower end of the rotating plate.
Further, the infrared fence 6 is in a half-frame shape, rail grooves 10 are formed in two inner sides of the lower end of the rotating plate, and the infrared fence can move and be fixed in the rail grooves.
Further, the lower half part of the rotating plate 2 is provided with a rubber layer 4, the upper half part is provided with a smooth layer 11, and the smooth layer prevents the rat from climbing upwards to avoid influencing the test process.
Furthermore, the baffle 5 is provided with a transparent enclosure frame with openings at two ends at the position corresponding to the upper half part of the rubber layer 4, the transparent enclosure frame prevents the rat from moving towards two sides, and the condition of the rat on the rotating plate can be seen.
Furthermore, the length of the rotating plate and the length of the bottom plate are both 30-35 cm, the width of the rotating plate is 10-15 cm, and the length of the rubber layer is 20-25 cm.
Furthermore, the measuring device also comprises an electronic encoder and a display, wherein the electronic encoder is arranged at the bottom end of the back part of the rotating plate, and the display is arranged at the non-hinged end of the bottom plate.
The working principle of the utility model is as follows: the utility model hinges two rectangular boards together, one is a bottom board, the other is a rotating board, the lower half part of the rotating board is tiled with a rough rubber mat, and the upper half part is tiled with a smooth layer; when the rotating plate is in a horizontal position, a mouse is placed in the central position of the rotating plate, then a motor is started to slowly increase the inclination angle of the rotating plate at a constant speed, the mouse head is kept upward, the direction of the longitudinal axis of the mouse body is consistent with that of the longitudinal axis of the inclined plate, a transmitter is arranged on one side of the infrared fence, a receiver is arranged on the other side of the infrared fence, the mouse body can pass through the infrared fence when sliding downwards, the infrared fence cannot receive signals, the receiver transmits the signals to a controller, the motor is further controlled to stop working, the maximum inclination angle is read from the arc-shaped angle protractor at the moment, and the infrared fence method is compared with the method. In addition, for convenient operation, an electronic encoder and a display can be added to directly display the angle number.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model can be independently operated by a tester, the motor can be automatically turned off when the rat slides down, the operation is simple and convenient, and the experimental error is small; be equipped with the smooth layer on the rotor plate and enclose the frame, can effectively prevent that the rat drunkenness from influencing the experimental result in the experimentation.
Drawings
FIG. 1 is a front view of a measuring device;
FIG. 2 is an enlarged view of a portion of the portion A of FIG. 1;
FIG. 3 is a rear view of the measuring device;
the labels in the figure are: 1-bottom plate, 2-rotating plate, 3-arc angle measuring ruler, 4-rubber layer, 5-baffle, 6-infrared fence, 7-stepping motor, 8-gear, 9-rack, 10-rail groove, 11-smooth layer, 12-reading pointer, 13-controller, 14-surrounding frame, 15-limit baffle.
Detailed Description
The technical solution of the present invention is further described in detail with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1 to 3, the rat inclined plate test measuring device comprises a bottom plate 1, a rotating plate 2, an arc-shaped angle ruler 3, a controller 13, an infrared fence 6, a stepping motor 7 and a gear 8, wherein the bottom plate 1 is hinged with the rotating plate 2, the arc-shaped angle ruler 3 is fixed at the non-hinged end of the bottom plate 1, a limit baffle 15 is arranged at the tail end of the arc-shaped angle ruler, and the measuring range is within 70-90 degrees.
The lower half part of the rotating plate 2 is provided with a rubber layer 4, the upper half part is provided with a smooth layer 11, two sides of the rotating plate 2 are provided with baffles 5, and the baffles 5 are provided with enclosing frames 14 with openings at two ends at the positions corresponding to the upper half part of the rubber layer 4.
The stepping motor 7 and the gear 8 are arranged at the non-hinged end of the rotating plate, the inner side of the arc-shaped angle measuring ruler 3 is provided with a rack 9, the stepping motor drives the gear to move along the rack under the control of the controller 13, and the stepping motor is connected with a reading pointer 12 capable of moving along the arc-shaped angle measuring ruler;
the infrared fence 6 is arranged at the lower end of the rotating plate, the infrared fence 6 is in a half-frame shape, rail grooves 10 are formed in two inner sides of the lower end of the rotating plate, and the infrared fence can move and be fixed in the rail grooves.
In this embodiment, the length of the rotating plate and the bottom plate is 35cm, the width thereof is 15cm, and the length of the rubber layer is 25 cm.
The swash plate test procedure was as follows: the utility model provides a rotation plate test aassessment rat affected limb motor function recovery condition before the spine injury molding and on 7 th, 14 th, 21 th, 28 th and 35 th days of molding. Hinging two rectangular boards together, wherein one board is a bottom board, the other board is a rotating board, the lower half part of the rotating board is paved with a rough rubber pad, and the upper half part of the rotating board is paved with a smooth layer; when the rotating plate is in a horizontal position, a mouse is placed in the center of the rotating plate, then a motor is started to slowly increase the inclination angle of the rotating plate at a constant speed, the head of the mouse is kept upward, the direction of the longitudinal axis of the body of the mouse is consistent with that of the longitudinal axis of the inclined plate, the maximum inclination angle of the mouse staying on the rotating plate for more than five seconds is recorded, the measurement is continuously carried out for three times, and the average value is calculated.
On the basis of this embodiment, measuring device can also be equipped with electronic encoder and display and be used for the angle digital display, electronic encoder establishes the back bottom at the rotor plate, and the display is established at the non-hinged end of bottom plate.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and it should be appreciated by those skilled in the art that various modifications and equivalents of the embodiments described in the specification and drawings may be made without departing from the scope of the present invention.
Claims (6)
1. A rat inclined plate test measuring device comprises a bottom plate (1) and a rotating plate (2) which are hinged together, wherein an arc-shaped angle measuring ruler (3) is fixed at the non-hinged end of the bottom plate (1), a rubber layer (4) is arranged on the rotating plate (2), and baffles (5) are arranged on two sides of the rotating plate (2); the device is characterized by further comprising a controller, an infrared fence (6), a stepping motor (7) and a gear (8), wherein the stepping motor (7) and the gear (8) are arranged at the non-hinged end of the rotating plate, a rack (9) is arranged on the inner side of the arc-shaped angle measuring ruler (3), the stepping motor drives the gear to move along the rack under the control of the controller, and a reading pointer (12) capable of moving along the arc-shaped angle measuring ruler is connected to the stepping motor; the infrared fence (6) is arranged at the lower end of the rotating plate.
2. The rat oblique plate test measuring device according to claim 1, wherein the infrared fence (6) is half-frame shaped, and rail grooves (10) are formed at both inner sides of the lower end of the rotating plate, and the infrared fence can move and be fixed in the rail grooves.
3. The rat tilt plate test measuring device according to claim 1 or 2, characterized in that the lower half of the rotating plate (2) is provided with a rubber layer (4) and the upper half is provided with a smooth layer (11).
4. The rat inclined plate test measuring device according to claim 3, wherein the baffle plate (5) is provided with a transparent surrounding frame (14) with two open ends at the position corresponding to the upper half part of the rubber layer (4).
5. The rat inclined plate test measuring device of claim 3, wherein the length of the rotating plate and the length of the bottom plate are both 30-35 cm, the width of the rotating plate is 10-15 cm, and the length of the rubber layer is 20-25 cm.
6. The rat tilt plate test measuring device of claim 3, further comprising an electronic encoder and a display, wherein the electronic encoder is disposed at the back bottom end of the rotating plate and the display is disposed at the non-hinged end of the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920906503.3U CN210328929U (en) | 2019-06-17 | 2019-06-17 | Rat swash plate test measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920906503.3U CN210328929U (en) | 2019-06-17 | 2019-06-17 | Rat swash plate test measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210328929U true CN210328929U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920906503.3U Expired - Fee Related CN210328929U (en) | 2019-06-17 | 2019-06-17 | Rat swash plate test measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210328929U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114518223A (en) * | 2022-01-21 | 2022-05-20 | 广东省有色矿山地质灾害防治中心 | Model test device for measuring stability safety coefficient of rock slope |
-
2019
- 2019-06-17 CN CN201920906503.3U patent/CN210328929U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114518223A (en) * | 2022-01-21 | 2022-05-20 | 广东省有色矿山地质灾害防治中心 | Model test device for measuring stability safety coefficient of rock slope |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 |