CN206572187U - A kind of centrifuge model test four-degree-of-freedom camera bracket - Google Patents
A kind of centrifuge model test four-degree-of-freedom camera bracket Download PDFInfo
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- CN206572187U CN206572187U CN201720165552.7U CN201720165552U CN206572187U CN 206572187 U CN206572187 U CN 206572187U CN 201720165552 U CN201720165552 U CN 201720165552U CN 206572187 U CN206572187 U CN 206572187U
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- folder
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- camera
- lid
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Abstract
The utility model discloses a kind of centrifuge model test four-degree-of-freedom camera bracket, the two ends of clamping plate are respectively placed on two cross bars and can moved, the middle part of clamping plate is provided with vertical through holes, the epimere of pedestal is cylinder and passed through in the vertical through holes of clamping plate, the both sides of pedestal hypomere are respectively equipped with pedestal spreader, the upper end of camera clamp lid rotates the middle part for being installed on pedestal by rotating shaft, lower intersegmental part is provided with camera cavity in camera clamp lid, the lower end both sides of camera clamp lid are respectively equipped with folder lid projection, it may move and be rotatably connected with the two ends of connecting rod respectively between folder lid projection and the pedestal spreader of homonymy.Centrifuge model test described in the utility model realizes the function of camera clamp lid four-degree-of-freedom regulation with four-degree-of-freedom camera bracket, special camera can be installed, with enough straight lines and rotation adjustable range, can on demand in implementation model case any place position monitoring, meet the demand of different simulated tests in same model case.
Description
Technical field
The utility model is related to a kind of centrifuge model test servicing unit, more particularly to a kind of geo-technical centrifuge
Four-degree-of-freedom camera bracket is used in experiment.
Background technology
In Geotechnical Engineering field, centrifuge model test utilizes scaling factor principle, will be equipped with the model casing of geotechnical model
It is placed in centrifugal basket, model is made the model soil body of size reduction reproduce original soil body by the centrifugal force for being several times as much as gravity
Stress state.
To realize that the monitoring of simulated test focus and IMAQ are, it is necessary in model during centrifuge model test
Camera is set near case, and camera is fixed by camera bracket.Because the focus of each centrifuge model test is not
Together, to ensure that camera bracket has certain versatility, it is desirable to which camera bracket has enough adjustable ranges.And in centrifuge modelling examination
In testing, camera has commercially been difficult to the safety for protecting camera with camera bracket, has been provided simultaneously with adjusting by strong centrifugal force load
The business shooting supporting structure of section function can also fail in centrifugal force field.To protect the safety of camera and mould can be captured
Intend in the image that experiment needs, existing centrifuge model test, camera mainly is installed using following two methods：
First method is to install camera by fixed support on the hanging basket outside model casing, burnt by adjusting camera
Away from the panoramic picture of geotechnical model can be obtained；Second method is to be installed as needed on model casing tank wall with fixed support
Camera, to a wide range of focus for changing camera, must be realized by changing support bracket fastened installation site.
The defect of above two conventional method is：
The defect of first method：Using outside model casing fixed position install camera because distant, image compared with
It is fuzzy, so local clearly image can not be obtained；
The defect of second method：Camera is arranged on model casing tank wall, makes the limited cause in camera visual angle, even if shooting
Head bracket has certain adjustable range, and shooting dead angle can not also be avoided, so poor universality, there is shooting dead angle.
Utility model content
The purpose of this utility model, which is that, provides a kind of with enough rigidity and enough tune in order to solve the above problems
The centrifuge model test of adjusting range four-degree-of-freedom camera bracket.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of centrifuge model test four-degree-of-freedom camera bracket, including cross bar, clamping plate, pedestal and camera clamp
Lid, the two ends of the clamping plate are respectively placed on two cross bars and can moved in the axial direction of the cross bar, the folder
The middle part of plate is provided with vertical through holes, and the epimere of the pedestal is cylinder and passed through in the vertical through holes of the clamping plate, the pedestal
The both sides of hypomere are respectively equipped with symmetrical pedestal spreader, and the upper end of the camera clamp lid is installed on institute by rotating shaft rotation
State lower intersegmental part in the middle part of pedestal, the camera clamp lid and be provided with the camera cavity for being used for clamping camera, it is described to take the photograph
As the lower end both sides that head presss from both sides lid are respectively equipped with symmetrical folder lid projection, the pedestal spreader of the folder lid projection and homonymy
Between it is removable and be rotatably connected with the two ends of connecting rod respectively.
In said structure, cross bar is as main bearing bar, on the one hand for being connected with clamping plate, is on the other hand easily installed in examination
Test on the top both sides box wall of model casing, the traversing support of two cross bar compositions can drive whole camera bracket and camera
In the axially vertical direction movement with the cross bar；Clamping plate is as middle bearing plate, on the one hand for installation pedestal and shooting
Head folder lid, on the other hand by its two ends be arranged on cross bar on and can with moving base, camera clamp lid and camera with institute
State the axially in parallel direction movement of cross bar；The epimere of pedestal is that cylinder is placed in the vertical through holes of clamping plate, in connecting cleat
Pedestal is set to drive camera clamp lid and camera to be rotated around its center axis while with pedestal；Camera clamp lid it is upper
End is rotatably connected with pedestal by rotating shaft, and the lower end both sides of camera clamp lid are respectively by between connecting rod and pedestal hypomere both sides
It may move and be rotatably connected, allow camera clamp lid to drive camera to rotate around the shaft.
In order that cross bar is limited, movement is more smooth and is easy to be clamped by clamping plate, the bottom difference at the cross bar two ends
Provided with the cross bar right-angle notch for being installed on the tank wall of test model box top；Close to the side of the clamping plate on the cross bar
Provided with the homoaxial right-angle notch bar of the cross bar.
In order to ensure reaching the high intensity needed for centrifugal test and being easy to process and be easily installed pedestal, the clamping plate is by four
The sub-folder plate of individual shape and size all same symmetrically assembles, and the two ends bottom of the sub-folder plate is respectively equipped with clamping plate right angle and lacked
Mouthful, the stage casing side of the sub-folder plate is provided with semi-circular recesses, and the sub-folder plate is provided with vertical and horizontal clamping plate screw；On
Layer two sub-folder plate symmetric arrays and constitute a circular through hole, lower floor by corresponding two semi-circular recesses
Two sub-folder plate symmetric arrays and constitute a circular through hole by corresponding two semi-circular recesses, upper strata
Circular through hole and the circular through hole of lower floor constitute the vertical through holes of the clamping plate, the clamping plate at the sub-folder plate two ends on upper strata
The clamping plate right-angle notch at the sub-folder plate two ends of right-angle notch and lower floor collectively forms the holding tank at the clamping plate two ends, described
The two ends of clamping plate are clamped on two cross bars by the corresponding holding tank respectively.
For the ease of assembling clamping plate, the top or following side of the sub-folder plate convex to form raised line, horizontal clamping plate
Screw on the raised line, upper strata laterally between the raised line on the two sub-folder plate top arranged side by side, lower floor laterally simultaneously
Pass through spiral shell respectively between the raised line of two sub-folder plate bottoms of row, between the corresponding two sub-folder plates of levels
Tether and connect.
In order to improve in the balance after camera clamp lid is installed, pedestal of the middle hypomere provided with lower ending opening of the pedestal
Chamber, the upper end of the camera clamp lid from bottom to top through the pedestal inner chamber and is installed on the base by rotating shaft rotation
The top of seat inner chamber.
For the ease of processing camera clamp lid and being easily installed camera, the camera clamp lid is by two shape and size
The sub-folder lid of all same symmetrically assembles, and the upper end of the sub-folder lid is provided with folder lid axis hole, and the middle hypomere of the sub-folder lid is set
There is folder lid groove, the lower end both sides of the sub-folder lid are respectively equipped with sub-folder lid projection, and the stage casing of the sub-folder lid is provided with multiple folders
Lid screw；The folder lid groove of two sub-folder lids constitutes the camera cavity, two sub-folder lid group of bumps of homonymy
Into the folder lid projection.
For the ease of being bolted the position of camera clamp lid and pedestal, the lower end of the pedestal is provided with multiple pedestals
Screw, multiple pedestal screws are distributed on using the intersection point of the rotating shaft and the pedestal as the virtual camber line in the center of circle；In order to
It is stably connected with camera clamp lid and pedestal and is easy to camera clamp lid swing rotary, the pedestal spreader is provided with pedestal spreader
Chamber, the two ends of horizontal straight pin pass through the through hole in the symmetrical cavity wall in both sides of the pedestal spreader inner chamber, the straight pin
Middle part is provided with straight pin through hole；The folder lid projection is provided with folder lid projection inner chamber, and the two ends of horizontal square column pin are respectively placed in institute
State in the counterbore in the symmetrical cavity wall in both sides of folder lid projection inner chamber, the middle part of the square column pin is provided with square column pin through hole；The company
Extension bar is screw rod and its two ends is each passed through the straight pin through hole and the square column pin through hole and fixed by nut.
For the ease of quick connection pedestal and clamping plate, the upper end of the pedestal is more than the vertical logical of the clamping plate provided with diameter
The end cap of bore dia, the end cap is located at the top of the vertical through holes of the clamping plate.
The beneficial effects of the utility model are：
The utility model realizes camera clamp by the fit structure of cross bar and clamping plate and covered in two orthogonal water
The locomotive function in flat line direction, by the fit structure of clamping plate, pedestal and camera clamp lid realize camera clamp cover around
360 ° of direction of rotation of base central axis rotation and the spinfunction of the small angle rotation swaying direction rotated around the shaft, finally
Realize the function of camera clamp lid four-degree-of-freedom regulation；Centrifuge model test described in the utility model is taken the photograph with four-degree-of-freedom
As head bracket can install special camera, with enough straight lines and rotation adjustable range, mould can be realized on demand
The monitoring of any place position in molding box, disclosure satisfy that the demand of different simulated tests in same model case, the tune of each free degree
Nodule structure is reliable and stable, can adapt to the working environment of high centrifugal force, regulative mode is simple and reliable and each direction adjustment after
Locking can be consolidated.
Brief description of the drawings
Fig. 1 is that centrifuge model test described in the utility model is installed on test model with four-degree-of-freedom camera bracket
Stereogram in case, test model case therein is section view effect；
Fig. 2 is the stereogram of centrifuge model test four-degree-of-freedom camera bracket described in the utility model；
Fig. 3 is the sectional view of centrifuge model test four-degree-of-freedom camera bracket described in the utility model；
Fig. 4 is the stereogram of sub-folder plate described in the utility model；
Fig. 5 is the front sectional view of pedestal described in the utility model；
Fig. 6 is the side view of pedestal described in the utility model；
Fig. 7 is the stereogram of sub- cover plate described in the utility model；
Fig. 8 is the stereogram of square column pin described in the utility model；
Fig. 9 is the stereogram of straight pin described in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in figure 1, centrifuge model test four-degree-of-freedom camera bracket 2 described in the utility model is installed on examination
Test in model casing 1, for installing camera and each position in camera (not shown) alignment test model casing 1 is taken the photograph
Picture, to assist to complete centrifugal test.
As shown in Fig. 2 centrifuge model test described in the utility model includes cross bar with four-degree-of-freedom camera bracket 2
21st, clamping plate 20, pedestal 22 and camera clamp lid 24, in order to make it easy to understand, first being carried out respectively to the concrete structure of each part below
Illustrate, the attachment structure between each part is then illustrated again.
As shown in Fig. 2 the bottom at the two ends of cross bar 21, which is respectively provided with, is installed on test model case 1 (see Fig. 1 experiment mould
Molding box 1) top tank wall on cross bar right-angle notch (unmarked in figure, but should be readily appreciated that)；Close to the one of clamping plate 20 on cross bar 21
Side is provided with and the homoaxial right-angle notch bar of cross bar 21 (in figure unmarked, but should be readily appreciated that).
As shown in Figure 2 and Figure 4, clamping plate 20 is symmetrically assembled by the sub-folder plate 201 of four shape and size all sames, son
The two ends bottom of clamping plate 201 is respectively equipped with clamping plate right-angle notch 202, and the stage casing side of sub-folder plate 201 is provided with semi-circular recesses
204, sub-folder plate 201 is provided with vertical and horizontal clamping plate screw 203；Two sub- symmetric arrays of clamping plate 201 on upper strata and by right
Two semi-circular recesses 204 answering constitute a circular through hole, two sub- symmetric arrays of clamping plate 201 of lower floor and by corresponding
Two semi-circular recesses structures 204 constitute folder into a circular through hole, the circular through hole on upper strata and the circular through hole of lower floor
The vertical through holes (unmarked in figure) at the middle part of plate 20, the clamping plate right-angle notch 202 at the two ends of sub-folder plate 201 on upper strata and the son of lower floor
The clamping plate right-angle notch 202 at the two ends of clamping plate 201 collectively forms the holding tank (unmarked in figure) at the two ends of clamping plate 20, the two of clamping plate 20
End is clamped on the right-angle notch bar of two cross bars 21 by the corresponding holding tank respectively；The top of sub-folder plate 201 or under
The side on side convexes to form raised line (unmarked in figure), and horizontal clamping plate screw 203 is on the raised line, and upper strata is laterally arranged side by side
Between the raised line on the two sub- top of clamping plate 201, lower floor laterally between the raised line of two sub- bottoms of clamping plate 201 arranged side by side, levels
It is bolted respectively between corresponding two sub- clamping plates 201.
As shown in Figure 3, Figure 5 and Figure 6, the upper end of pedestal 22 is more than the end cap of the vertical through holes diameter of clamping plate 20 provided with diameter
(unmarked in figure), the epimere of pedestal 22 is cylinder and its center is provided with bar shaped lightening hole 221, and the middle hypomere of pedestal 22 is provided with down
The pedestal inner chamber (unmarked in figure) of end opening, the lower end of pedestal inner chamber is curved and opening is formed and put for camera clamp lid 24
Dynamic deep-slotted chip breaker 225, the top of pedestal inner chamber is provided with the pedestal axis hole 222 for being used for installing rotating shaft 26, the two of the hypomere of pedestal 22
Side is respectively equipped with symmetrical pedestal spreader 224, and pedestal spreader 224 is provided with pedestal spreader inner chamber (unmarked in figure), pedestal
22 lower end is provided with multiple pedestal screws 223, and multiple pedestal screws 223 are distributed in the intersection point using rotating shaft 26 and pedestal 22 as the center of circle
Virtual camber line on.
As shown in Figure 2 and Figure 7, camera clamp lid 24 is symmetrically assembled by the sub-folder lid 241 of two shape and size all sames
Form, the upper end of sub-folder lid 241 is provided with folder lid axis hole 242, and the middle hypomere of sub-folder lid 241 presss from both sides lid groove provided with folder lid groove 245
245 top, which is provided with, is used for the line outlet groove 243 that camera electric wire is passed through, and the lower end both sides of sub-folder lid 241 are respectively equipped with sub-folder lid
Projection 246, sub-folder lid projection 246 is provided with folder cancelling hole 247, and the stage casing of sub-folder lid 241 is provided with multiple folder lid screws 244；Two
The folder lid groove 245 of individual sub-folder lid 241 is constituted for clamping camera and the lower ending opening inside the camera clamp lid 24
Camera cavity, the folder lid projection of two sub-folder lid projections 246 composition camera clamp lid 24 of homonymy, two sub-folder lids of homonymy
The space left between projection 246 forms the folder lid projection inner chamber of the folder lid projection of camera clamp lid 24.
As shown in figure 8, the stage casing section of square column pin 25 is square, two ends are cylinder 251 and its external diameter is less than stage casing,
Its middle part is provided with square column pin through hole 252；As shown in figure 9, straight pin 28 is cylinder, one end is provided with the bigger pin cap of external diameter, separately
One end, which is provided with, is used for the keyhole that pin is passed through, and stage casing is provided with straight pin through hole 281.
As shown in Fig. 2-Fig. 9, the two ends of clamping plate 20 are held on the right-angle notch bar of two cross bars 21 by holding tank respectively
Go up and can be moved in the axial direction of cross bar 21, the epimere of pedestal 22 passes through the vertical through holes of clamping plate 20, the top of pedestal 22
End cap is located at the top of the vertical through holes of clamping plate 20, and the upper end of camera clamp lid 24 from bottom to top passes through the pedestal inner chamber of pedestal 22
And the top for being installed on pedestal inner chamber, the folder lid projection and the pedestal spreader of homonymy of camera clamp lid 24 are rotated by rotating shaft 26
It is removable and be rotatably connected with the two ends of connecting screw rod 23 respectively between 224,251 points of the cylinder at horizontal two ends of square column pin 25
It is not placed in the counterbore in the symmetrical cavity wall in both sides of the folder lid projection inner chamber of the folder lid projection of camera clamp lid 24, horizontal cylinder
The two ends of pin 28 pass through the through hole in the symmetrical cavity wall in both sides of the pedestal spreader inner chamber of pedestal spreader 224, the two of connecting screw rod 23
End is each passed through straight pin through hole 281 and the square column pin through hole 252 and fixed by nut 7.
As shown in Fig. 1-Fig. 9, using when, by camera be arranged on camera clamp lid 24 camera cavity in, work people
Member can complete following position adjustments as needed：
Mobile cross bar 21, it is possible to achieve camera is adjusted in the rectilinear movement of the horizontal direction vertical with cross bar 21；
Mobile clamping plate 20, it is possible to achieve camera is adjusted in the rectilinear movement of the axial direction (being also horizontal direction) of cross bar 21
Section；
Rotating basis 22, it is possible to achieve camera is in the direction of rotation rotation rotated around pedestal its center axis；
Swing rotary camera clamp lid 24, it is possible to achieve direction of rotation swing rotary of the camera in around the shaft 26 rotations.
Above-mentioned four kinds of motions, it is possible to achieve the four-degree-of-freedom regulation of camera, so that it can be with alignment test model casing 1
Interior any position images and taken pictures.It is required for first unclamping bolt during regulation, before regulation, tightens spiral shell after the completion of regulation again
Bolt, to ensure its working environment for adapting to high centrifugal force.
Above-described embodiment is preferred embodiment of the present utility model, is not the limit to technical solutions of the utility model
System, as long as the technical scheme that can be realized without creative work on the basis of above-described embodiment, is regarded as falling into
In the rights protection scope of the utility model patent.
Claims (8)
1. a kind of centrifuge model test four-degree-of-freedom camera bracket, it is characterised in that：Including cross bar, clamping plate, pedestal
With camera clamp lid, the two ends of the clamping plate are respectively placed on two cross bars and can moved in the axial direction of the cross bar
Dynamic, the middle part of the clamping plate is provided with vertical through holes, and the epimere of the pedestal is cylinder and passed through in the vertical through holes of the clamping plate,
The both sides of the pedestal hypomere are respectively equipped with symmetrical pedestal spreader, and the upper end of the camera clamp lid is rotated by rotating shaft
It is installed on lower intersegmental part in the middle part of the pedestal, the camera clamp lid and is provided with the camera sky for being used to clamp camera
Chamber, the lower end both sides of the camera clamp lid are respectively equipped with symmetrical folder lid projection, the institute of the folder lid projection and homonymy
State between pedestal spreader removable and be rotatably connected with the two ends of connecting rod respectively.
2. centrifuge model test according to claim 1 four-degree-of-freedom camera bracket, it is characterised in that：It is described
The bottom at cross bar two ends is respectively provided with the cross bar right-angle notch being installed on the tank wall of test model box top；On the cross bar
It is provided with and the homoaxial right-angle notch bar of the cross bar close to the side of the clamping plate.
3. centrifuge model test according to claim 1 four-degree-of-freedom camera bracket, it is characterised in that：It is described
Clamping plate is symmetrically assembled by the sub-folder plate of four shape and size all sames, and the two ends bottom of the sub-folder plate is respectively equipped with folder
Plate right-angle notch, the stage casing side of the sub-folder plate is provided with semi-circular recesses, and the sub-folder plate is provided with vertical and horizontal folder
Plate screw；Two sub-folder plate symmetric arrays on upper strata and constitute a circular by corresponding two semi-circular recesses
Through hole, two sub-folder plate symmetric arrays of lower floor and constitutes a circular by corresponding two semi-circular recesses and leads to
Hole, the circular through hole on upper strata and the circular through hole of lower floor constitute the vertical through holes of the clamping plate, the sub-folder plate on upper strata
The clamping plate right-angle notch at two ends and the clamping plate right-angle notch at the sub-folder plate two ends of lower floor collectively form the clamping plate two ends
Holding tank, the two ends of the clamping plate are clamped on two cross bars by the corresponding holding tank respectively.
4. centrifuge model test according to claim 3 four-degree-of-freedom camera bracket, it is characterised in that：It is described
The top of sub-folder plate or following side convex to form raised line, and horizontal clamping plate screw is on the raised line, and upper strata is horizontal simultaneously
Between the raised line on the two sub-folder plate top of row, the horizontal two sub-folder plate bottoms arranged side by side of lower floor it is described convex
It is bolted respectively between bar, between the corresponding two sub-folder plates of levels.
5. centrifuge model test according to claim 1 four-degree-of-freedom camera bracket, it is characterised in that：It is described
The middle hypomere of pedestal is provided with the pedestal inner chamber of lower ending opening, and the upper end of the camera clamp lid is from bottom to top passed through in the pedestal
Chamber simultaneously rotates the top for being installed on the pedestal inner chamber by the rotating shaft.
6. centrifuge model test four-degree-of-freedom camera bracket according to claim 1 or 5, it is characterised in that：
The camera clamp lid is symmetrically assembled by the sub-folder lid of two shape and size all sames, and the upper end of the sub-folder lid is provided with
Press from both sides lid axis hole, the middle hypomere of the sub-folder lid is provided with folder lid groove, and it is convex that the lower end both sides of the sub-folder lid are respectively equipped with sub-folder lid
Block, the stage casing of the sub-folder lid is provided with multiple folder lid screws；It is empty that the folder lid groove of two sub-folder lids constitutes the camera
Chamber, two sub-folder lid projection composition folder lid projections of homonymy.
7. centrifuge model test according to claim 6 four-degree-of-freedom camera bracket, it is characterised in that：It is described
The lower end of pedestal is provided with multiple pedestal screws, multiple pedestal screws be distributed in using the intersection point of the rotating shaft and the pedestal as
On the virtual camber line in the center of circle；The pedestal spreader is provided with pedestal spreader inner chamber, and the two ends of horizontal straight pin pass through the pedestal
Through hole in the symmetrical cavity wall in both sides of spreader inner chamber, the middle part of the straight pin is provided with straight pin through hole；The folder lid projection is set
There is folder lid projection inner chamber, the two ends of horizontal square column pin are respectively placed in sinking in the symmetrical cavity wall in both sides of the folder lid projection inner chamber
In hole, the middle part of the square column pin is provided with square column pin through hole；The connecting rod is screw rod and its two ends is each passed through the cylinder
Pin through hole and the square column pin through hole are simultaneously fixed by nut.
8. centrifuge model test according to claim 6 four-degree-of-freedom camera bracket, it is characterised in that：It is described
The upper end of pedestal is more than the end cap of the vertical through holes diameter of the clamping plate provided with diameter, and the end cap is located at the vertical of the clamping plate
The top of through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720165552.7U CN206572187U (en) | 2017-02-23 | 2017-02-23 | A kind of centrifuge model test four-degree-of-freedom camera bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720165552.7U CN206572187U (en) | 2017-02-23 | 2017-02-23 | A kind of centrifuge model test four-degree-of-freedom camera bracket |
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| Publication Number | Publication Date |
|---|---|
| CN206572187U true CN206572187U (en) | 2017-10-20 |
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ID=60059866
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720165552.7U Withdrawn - After Issue CN206572187U (en) | 2017-02-23 | 2017-02-23 | A kind of centrifuge model test four-degree-of-freedom camera bracket |
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| Country | Link |
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| CN (1) | CN206572187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641666A (en) * | 2017-02-23 | 2017-05-10 | 中国工程物理研究院总体工程研究所 | Four-degree-of-freedom camera bracket for geotechnical centrifugal imitation test |
-
2017
- 2017-02-23 CN CN201720165552.7U patent/CN206572187U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641666A (en) * | 2017-02-23 | 2017-05-10 | 中国工程物理研究院总体工程研究所 | Four-degree-of-freedom camera bracket for geotechnical centrifugal imitation test |
| CN106641666B (en) * | 2017-02-23 | 2018-11-23 | 中国工程物理研究院总体工程研究所 | A kind of centrifuge model test four-degree-of-freedom camera bracket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ran Guangbin Inventor after: Xu Yuanheng Inventor after: Zhao Yuhu Inventor after: Liu Aimin Inventor after: Shu Yang Inventor after: Li Jingshuang Inventor after: Hong Jianzhong Inventor before: Ran Guangbin Inventor before: Xu Yuanheng Inventor before: Zhao Yuhu Inventor before: Liu Aiming Inventor before: Shu Yang Inventor before: Li Jingshuang Inventor before: Hong Jianzhong |
|
| CB03 | Change of inventor or designer information | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171020 Effective date of abandoning: 20181123 |
|
| AV01 | Patent right actively abandoned |