CN107024573A - A kind of high definition rotary image pick-up system monitored for drum centrifuge geotechnical model - Google Patents
A kind of high definition rotary image pick-up system monitored for drum centrifuge geotechnical model Download PDFInfo
- Publication number
- CN107024573A CN107024573A CN201710270759.5A CN201710270759A CN107024573A CN 107024573 A CN107024573 A CN 107024573A CN 201710270759 A CN201710270759 A CN 201710270759A CN 107024573 A CN107024573 A CN 107024573A
- Authority
- CN
- China
- Prior art keywords
- camera
- screwed hole
- slotted eye
- plate
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Remote Sensing (AREA)
- Geology (AREA)
- Medicinal Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Accessories Of Cameras (AREA)
Abstract
The invention belongs to Geotechnical Engineering field, there is provided a kind of high definition rotary image pick-up system monitored for drum centrifuge geotechnical model.The monitoring system includes following four major part:Wireless blue tooth distant control function is supported, captured in real-time stores the high speed camera of HD video under the conditions of the high centrifugal field formed available for high speed rotation;The model casing part of body portion size design is roused according to geotechnological drum centrifuge, the part is used to install monitoring device and test model;Change camera shooting angle and the camera fixing device of fixed camera;A set of light supply device for being used to adjust light.Spare and accessory parts of the invention every main are to be assembled by fabricated mode integral, with simple, easy-operating feature is assembled, can meet experiment needs.
Description
Technical field
The invention belongs to Geotechnical Engineering field, it is related to a kind of high definition rotation monitored for drum centrifuge geotechnical model
Turn camera system.
Background technology
Drum-type geotechnical centrifuge refers to a kind of testing equipment for Geotechnical Engineering physical simulation experiment.The testing equipment
Principle is to provide an artificial high gravitational field by high speed rotation, reproduces former in the building or structure test model of reduced scale
The character of type.One important feature of physical experiments is exactly to analyze conclusion (of pressure testing) by experimental phenomena, it is therefore desirable in examination
During testing shoot experiment picture, high speed rotation test a machine in shoot experiment picture need to solve a series of problems.
At present, the method for solving to shoot during centrifugal test experiment picture is published in and weeds etc. paper recklessly《It is native in centrifugal field
The development and application of body IMAQ and displacement measurement system》, it, which solves monitoring picture catching and the principle of storage problem, is:By
In centrifuge at location mid-shaft, its centrifugal field is smaller, smaller on the influence of the literacy of computer, therefore by computer
It is fixed at geotechnological arm-type centrifuge location mid-shaft, the shooting picture of video camera, which is directly transmitted and stored at, is fixed on location mid-shaft
The computer at place.But geotechnological drum centrifuge is different from geotechnological arm-type centrifuge, and the former space is smaller, is supplied without unnecessary space
Stationary computer, and due to geotechnological drum centrifuge narrow space, light is unsatisfactory for shooting the requirement of high-definition image, therefore needs
To be used for the camera system of geotechnological drum centrifuge model monitoring using a kind of.
The content of the invention
The purpose of patent of the present invention is:In order to solve the above technical problems, providing a kind of geotechnological drum centrifuge model monitoring
Camera system, the camera system not excessively change centrifuge machine on the basis of, can realize high definition experiment picture it is real-time
Storage, the fixation of video camera and the requirement such as angle adjustment and its required light supply.
Technical scheme:
A kind of high definition rotary image pick-up system monitored for drum centrifuge geotechnical model, it is characterised in that described height
Clear rotary image pick-up system includes camera device, model casing 1, camera fixing device 2 and light supply device 3;Camera device is put
In camera fixing device 2, camera fixing device 2 and light supply device 3 are arranged in model casing 1;
The casing that model casing 1 is made up of upper cover plate 1-1, lower shoe 1-2, rear bottom plate 1-3, left plate 1-4 and right plate 1-5
The first slotted eye 1-6 and the second slotted eye 1-7 are offered on structure, lower shoe 1-2, for fixed model case apparatus;
Camera fixing device 2 is by camera fixed mount 2-1, sliding groove 2-2, the 3rd slotted eye 2-3, camera fixed bin 2-4, camera
Mounting box 2-5, camera firm banking 2-6, cover plate 2-7, camera aperture 2-8, the first screwed hole 2-9, the second screwed hole 2-10, the 3rd
Screwed hole 2-11, angle adjustment disk 2-12, the 4th screwed hole 2-13, the 4th slotted eye 2-14, the 5th screwed hole 2-15 and the 5th groove
Hole 2-16 is constituted;
Described camera fixed mount 2-1 is in " work " font, including a vertical bar and two transverse bars, and vertical bar side is opened
If sliding groove 2-2, upper and lower transverse bar is respectively provided with 2 the 3rd slotted eye 2-3;
2-4 points described of camera fixed bin is camera mounting box 2-5 and camera firm banking 2-6 two parts;Camera is installed
Box 2-5 one sides are arranged to dismountable cover plate 2-7, and other five faces open up the second spiral shell respectively by being welded to form an entirety
Pit 2-10;Cover plate 2-7 offers camera aperture 2-8, is assemblied in by the first screwed hole 2-9 on camera mounting box 2-5;Camera is consolidated
Base 2-6 is determined in " channel steel shape ", and its left and right wing plate is respectively comprising 2 the 3rd screwed hole 2-11;Described camera mounting box 2-5 and phase
Machine firm banking 2-6 connects into an entirety, integral installation by one group of the 4th screwed hole 2-13 and one group of the 4th slotted eye 2-14
In camera fixed mount 2-1 vertical bar;
Described angle adjustment disk 2-12 is in cylinder, and it is installed on camera fixed mount 2-1 transverse bar, angle adjustment disk
One group of the 5th screwed hole 2-15 and one group of the 5th slotted eye 2-16 is opened up on 2-12;
Described light supply device 3 is made up of light installing plate 3-1, LED light tiles and the 6th slotted eye 3-2;Light is pacified
It is in cylinder Openworks shape to fill plate 3-1, and its upper-lower position respectively opens up one group of the 6th slotted eye 3-2, and LED light tiles are pacified with iron wire through light
Plate 3-1 hollow parts are filled, the side position of cylinder convex surface one is fixed on.
The beneficial effect of patent of the present invention is:
1. experiment proves that high-speed motion type camera storage capacity is not influenceed by high centrifugal field, patent of the present invention passes through at a high speed
Sports type camera solves the problems, such as the real-time read-write of camera shooting picture, and high-speed motion camera small volume and less weight, effective section
About geotechnological drum centrifuge model casing space.
2. a pilot system convenient disassembly, effectively meets light supply in shooting process, camera device and installs fixation
And the problem of angle adjustment.
3. all installation equipments of a pilot system are all based on carrying out on the model casing 1 of design, geotechnique is effectively protected
The integrality of drum centrifuge.
Brief description of the drawings
Fig. 1 is high definition rotary image pick-up system schematic three dimensional views.
Fig. 2 is camera fixing device schematic three dimensional views.
In figure:1 model casing;1-1 upper cover plates;1-2 lower shoes;Bottom plate after 1-3;1-4 left plates;
1-5 right plates;The slotted eyes of 1-6 first;The slotted eyes of 1-7 second;2 camera fixing devices;
2-1 camera fixed mounts;2-2 sliding grooves;The slotted eyes of 2-3 the 3rd;2-4 camera fixed bins;
2-5 camera mounting boxs;2-6 camera firm bankings;2-7 cover plates;2-8 camera apertures;
The screwed holes of 2-9 first;The screwed holes of 2-10 second;The screwed holes of 2-11 the 3rd;2-12 angle adjustment disks;
The screwed holes of 2-13 the 4th;The slotted eyes of 2-14 the 4th;The screwed holes of 2-15 the 5th;The slotted eyes of 2-16 the 5th;
3 light supply devices;3-1 light installing plates;The slotted eyes of 3-2 the 6th.
Embodiment
Describe the embodiment of the present invention in detail below in conjunction with technical scheme and accompanying drawing.
A kind of high definition rotary image pick-up system monitored for drum centrifuge geotechnical model is by camera device, model casing 1, phase
Machine fixing device 2 and the most of composition of light supply device 3 four.Model casing 1 is by upper cover plate 1-1, lower shoe 1-2, rear bottom plate
1-3, left plate 1-4, right plate 1-5, the first slotted eye 1-6, the second slotted eye 1-7 compositions;Camera fixing device 2 is by camera fixed mount
2-1, sliding groove 2-2, the 3rd slotted eye 2-3, camera fixed bin 2-4, camera mounting box 2-5, camera firm banking 2-6, cover plate 2-
7th, camera aperture 2-8, the first screwed hole 2-9, the second screwed hole 2-10, the 3rd screwed hole 2-11, angle adjustment disk 2-12, the 4th spiral shell
Pit 2-13, the 4th slotted eye 2-14 composition, the 5th screwed hole 2-15, the 5th slotted eye 2-16;Light supply device 3 is installed by light
Plate 3-1, LED light tiles, the 6th slotted eye 3-2 compositions.
As shown in Figure 1, described upper cover plate 1-1, lower shoe 1-2 sections are circular in 1/4, inside and outside arc radius and this list
Arc radius is consistent inside and outside the black drum of drum centrifuge of position, and described lower shoe 1-2 offers two diameter 10mm the first slotted eye
1-6 and the second slotted eye 1-7;Described left and right iron plate section is rectangle, length and clear height one in the black drum of our unit's drum centrifuge
Cause, width is that arc radius difference is consistent inside and outside above-mentioned upper and lower iron plate;Described rear iron plate is 1/4 cylinder, cylinder height and this list
Clear height is consistent in the black drum of drum centrifuge of position, radius of circle where cylinder and the black drum of outer arc radius one of our unit's drum centrifuge
Cause, described upper and lower, left and right, the thickness of rear five pieces of iron plates are all 2mm, and above-mentioned 5 pieces of iron plates be all by welded and installed into
Overall composition model case 1.
As shown in Fig. 1 and Fig. 2, described camera fixed mount 2-1 is in " work " font, is divided into " work " word vertical bar and " work " word
Transverse bar, vertical bar opens up sliding groove 2-2, and transverse bar is respectively provided with 2 slotted eye 2-3 of diameter 4mm the 3rd up and down.
As shown in Figure 2, described camera fixed bin 2-4 is divided to for camera mounting box 2-5 and the big portions of camera firm banking 2-6 two
Point, camera mounting box is the internal diameter cube consistent with camera outer profile size, and camera fixed bin one side is arranged to dismountable
Cover plate 2-7, cover plate 2-7 offers camera aperture 2-8, and the face is installed by 6 the first screwed holes of diameter 2mm 2-9 installed in camera
Box, other 5 faces of camera mounting box are by being welded to form an entirety and opening up 2 the second screwed holes of diameter 8mm 2-10 respectively;
Camera firm banking 2-6 is in " channel steel shape ", and its left and right wing plate is respectively comprising 2 screwed hole 2-11 of diameter 6mm the 3rd;Described camera
Mounting box 2-5 and camera firm banking 2-6 passes through one group of screwed hole 2-13 of diameter 6mm the 4th and one group of slotted eye of diameter 6mm the 4th
2-14 is fixed into an entirety.
As shown in Figure 2, described angle adjustment disk 2-12 is that radius is 50mm, and thickness is 10mm cylinder, in angle
Proportional spacing opens up one group of 46 the 5th screwed hole 2-15 on adjustment plate radius 40mm circular arc, in angle adjustment disk radius
Uniformly one group of 3 the 5th slotted eye 2-16 is opened up on 5mm circular arc.
As shown in Figure 2, described light supply device 3 is made up of light installing plate 3-1 and LED light tiles, and light is installed
Plate is in cylinder Openworks shape, and cylinder height, cylinder thickness 2mm highly consistent with model casing, radius of circle where cylinder is roused with our unit
The black bulging inner arc radius of formula centrifuge is consistent, and cylinder upper-lower position respectively opens up one group of the 6th slotted eye 3-2, LED light tiles iron wires
Through light installing plate 3-1 hollow parts, the side position of cylinder convex surface one is fixed on.
A kind of high definition rotary image pick-up system monitored for drum centrifuge geotechnical model, job step is as follows:
The first step, camera device is loaded and the supporting camera mounting box 2-5 of its size, cover plate 2-7 is covered, by camera mirror
At the fractionation camera aperture 2-8 of head, tighten the first screwed hole 2-9 bolts and fix, recycle second reserved on camera mounting box 2-5
Screwed hole 2-10, suitably tightens bolt fixed camera position.
Second step, model casing 1 is installed into geotechnological drum centrifuge, using through the first slotted eye 1-6 and the second slotted eye
1-7 bolt stent molding box, then subjects are installed into model casing 1.
3rd step, determines the distance of camera taking lens and subjects.Angle adjustment disk 2-12 is determined according to this distance
Position, and utilize the 5th slotted eye 2-16, make thread Pilot hole on the upper cover plate 1-1 of model casing 1 and lower shoe 1-2, by twist
Angle adjustment disk 2-12 above and below the tight bolt fixation through the 5th slotted eye 2-16.
4th step, according to the requirement of testing program and research contents, determines camera shooting angle.By camera fixed mount 2-1
After optimum position is found in rotation on angle adjustment disk 2-12, the 3rd slotted eye 2-3 and corresponding 5th screwed hole 2-15 is directed at, is led to
Bolt is crossed to tighten.
5th step, the camera of camera device is will be equipped with using the bolt through the 4th screwed hole 2-13 and the 4th slotted eye 2-14
Mounting box 2-5 is connected with camera firm banking 2-6, and camera firm banking 2-6 is moved up and down along sliding groove 2-2, determines position
Afterwards, the screw-driving through the 3rd screwed hole 2-11 is passed through;
6th step, will install LED light tiles and is arranged on fluorescent tube compensating plate 3-1 convex surface side, and utilize the 6th slotted eye
Light supply device 3 is fixed on model casing 1 by 3-2.
7th step, opens camera device wireless Bluetooth, opens centrifuge, when centrifuge reaches that desired speed starts examination
When testing, high definition camera is started by remote control, record experimental phenomena is shot.
Claims (1)
1. a kind of high definition rotary image pick-up system monitored for drum centrifuge geotechnical model, it is characterised in that described high definition
Rotary image pick-up system includes camera device, model casing (1), camera fixing device (2) and light supply device (3);Shooting dress
It is placed in camera fixing device (2), camera fixing device (2) and light supply device (3) are arranged in model casing (1);
Model casing (1) is by upper cover plate (1-1), lower shoe (1-2), rear bottom plate (1-3), left plate (1-4) and right plate (1-5) group
Into body structure, the first slotted eye (1-6) and the second slotted eye (1-7) are offered on lower shoe (1-2), for stent molding box dress
Put;
Camera fixing device (2) is by camera fixed mount (2-1), sliding groove (2-2), the 3rd slotted eye (2-3), camera fixed bin (2-
4), camera mounting box (2-5), camera firm banking (2-6), cover plate (2-7), camera aperture (2-8), the first screwed hole (2-9),
Two screwed holes (2-10), the 3rd screwed hole (2-11), angle adjustment disk (2-12), the 4th screwed hole (2-13), the 4th slotted eye (2-
14), the 5th screwed hole (2-15) and the 5th slotted eye (2-16) composition;
Described camera fixed mount (2-1) is in " work " font, including a vertical bar and two transverse bars, and vertical bar side is opened up
Sliding groove (2-2), upper and lower transverse bar is respectively provided with 2 the 3rd slotted eyes (2-3);
Described camera fixed bin (2-4) is divided into camera mounting box (2-5) and camera firm banking (2-6) two parts;Camera is pacified
Mounted box (2-5) is simultaneously arranged to dismountable cover plate (2-7), and other five faces are by being welded to form an entirety, and five faces point
The second screwed hole (2-10) is not opened up;Cover plate (2-7) offers camera aperture (2-8), and phase is assemblied in by the first screwed hole (2-9)
On machine mounting box (2-5);Camera firm banking (2-6) is in " channel steel shape ", and its left and right wing plate is respectively comprising 2 the 3rd screwed hole (2-
11);Described camera mounting box (2-5) and camera firm banking (2-6) passes through one group of the 4th screwed hole (2-13) and one group
Four slotted eyes (2-14) connect into an entirety, and integral installation is in camera fixed mount (2-1) vertical bar;
Described angle adjustment disk (2-12) is in cylinder, and it is installed on camera fixed mount (2-1) transverse bar, angle adjustment disk
One group of the 5th screwed hole (2-15) and one group of the 5th slotted eye (2-16) are opened up on (2-12);
Described light supply device (3) is made up of light installing plate (3-1), LED light tiles and the 6th slotted eye (3-2);Light
Installing plate (3-1) is in cylinder Openworks shape, and its upper-lower position respectively opens up one group of the 6th slotted eye (3-2), and LED light tiles are passed through with iron wire
Light installing plate (3-1) hollow part, is fixed on the side position of cylinder convex surface one.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710270759.5A CN107024573B (en) | 2017-04-26 | 2017-04-26 | High-definition rotary camera system for monitoring geotechnical model of drum centrifuge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710270759.5A CN107024573B (en) | 2017-04-26 | 2017-04-26 | High-definition rotary camera system for monitoring geotechnical model of drum centrifuge |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107024573A true CN107024573A (en) | 2017-08-08 |
CN107024573B CN107024573B (en) | 2023-07-18 |
Family
ID=59527273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710270759.5A Active CN107024573B (en) | 2017-04-26 | 2017-04-26 | High-definition rotary camera system for monitoring geotechnical model of drum centrifuge |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107024573B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109833982A (en) * | 2019-04-08 | 2019-06-04 | 中国工程物理研究院总体工程研究所 | A kind of geotechnique's drum centrifuge device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101158571A (en) * | 2007-11-16 | 2008-04-09 | 清华大学 | Soil body image real time capturing method and system used for centrifugal machine model trial |
CN101917552A (en) * | 2010-08-26 | 2010-12-15 | 西南交通大学 | Imaging device of large geotechnical centrifuge |
CN206638672U (en) * | 2017-04-26 | 2017-11-14 | 大连理工大学 | A kind of high definition rotary image pick-up system for the monitoring of drum centrifuge geotechnical model |
-
2017
- 2017-04-26 CN CN201710270759.5A patent/CN107024573B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101158571A (en) * | 2007-11-16 | 2008-04-09 | 清华大学 | Soil body image real time capturing method and system used for centrifugal machine model trial |
CN101917552A (en) * | 2010-08-26 | 2010-12-15 | 西南交通大学 | Imaging device of large geotechnical centrifuge |
CN206638672U (en) * | 2017-04-26 | 2017-11-14 | 大连理工大学 | A kind of high definition rotary image pick-up system for the monitoring of drum centrifuge geotechnical model |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109833982A (en) * | 2019-04-08 | 2019-06-04 | 中国工程物理研究院总体工程研究所 | A kind of geotechnique's drum centrifuge device |
CN109833982B (en) * | 2019-04-08 | 2024-01-30 | 中国工程物理研究院总体工程研究所 | Geotechnical drum type centrifuge device |
Also Published As
Publication number | Publication date |
---|---|
CN107024573B (en) | 2023-07-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107024573A (en) | A kind of high definition rotary image pick-up system monitored for drum centrifuge geotechnical model | |
CN206638672U (en) | A kind of high definition rotary image pick-up system for the monitoring of drum centrifuge geotechnical model | |
CN103883331B (en) | TBM experimental bench cutterhead flexible constraint and attitude measuring | |
CN203856476U (en) | Flexible restraining and posture measuring device for tool pan of TBM (Tunnel Boring Machine) experiment table | |
CN102627230A (en) | Crane and balancing weight device thereof | |
CN105181442A (en) | Forming air bag, and test device and method for adopting forming air bag to apply uniform load to plate | |
CN105358722A (en) | Re-melting furnace and universal joint for the electrode rod mounting of a re-melting furnace | |
CN108444810B (en) | Bending resistance test device for upper open type pipe pile | |
CN204234688U (en) | Mould vibration device | |
CN108582095A (en) | A kind of deformable supervisory-controlled robot of combined | |
CN204366958U (en) | A kind of foundry goods manipulator | |
CN207417841U (en) | A kind of feed arrangement of splicer | |
CN206644107U (en) | A kind of precast concrete equipment | |
CN206681005U (en) | A kind of piling machine | |
CN202824624U (en) | Automatic piece picking manipulator | |
CN110026922A (en) | Motor car wheel pin hole identifies pivoted arm mechanical device | |
CN206002387U (en) | A kind of test fixture increasing testpieces local stiffness | |
CN205288728U (en) | Tripodia formula deposits centrifuge | |
CN211344575U (en) | Anti-vibration visual detection device | |
CN206811125U (en) | The dual-purpose cast frock of one bar | |
CN207212377U (en) | A kind of coal-mine integrated-mining equipment loading apparatus | |
CN208399295U (en) | Bulb abrasion resistance tester | |
CN104440900B (en) | A kind of foundry goods manipulator | |
CN111985736A (en) | Quality supervision system for expressway bridge construction | |
CN220684517U (en) | Downhole detection equipment for drilling |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |