CN105925469B - A kind of bidirectional adjuster - Google Patents
A kind of bidirectional adjuster Download PDFInfo
- Publication number
- CN105925469B CN105925469B CN201610464075.4A CN201610464075A CN105925469B CN 105925469 B CN105925469 B CN 105925469B CN 201610464075 A CN201610464075 A CN 201610464075A CN 105925469 B CN105925469 B CN 105925469B
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- China
- Prior art keywords
- sleeve
- angular adjustment
- worm gear
- cabinet
- adjustment handle
- 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.)
- Expired - Fee Related
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 17
- 238000000855 fermentation Methods 0.000 abstract description 17
- 230000004151 fermentation Effects 0.000 abstract description 16
- 238000012423 maintenance Methods 0.000 abstract description 5
- 241000196324 Embryophyta Species 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010297 mechanical methods and process Methods 0.000 description 4
- 230000005226 mechanical processes and functions Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 239000002002 slurry Substances 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 241000736262 Microbiota Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000837 restrainer Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/50—Means for positioning or orientating the apparatus
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Zoology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Wood Science & Technology (AREA)
- Genetics & Genomics (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Sustainable Development (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Clinical Laboratory Science (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention discloses a kind of bidirectional adjuster, including axial transmission mechanism, radial driving mechanism, position-limit mechanism and fixed disk.Wherein axial transmission mechanism includes worm gear device, cabinet, roller and height regulation handle, and height regulation handle can rotate roller by worm gear device.Radial driving mechanism includes sleeve and angular adjustment handle, and angular adjustment handle can make position-limit mechanism synchronize radial rotary by sleeve.The present invention can carry out bidirectional modulation by axial transmission mechanism and radial driving mechanism to internal unit in fermentation reaction equipment, you can realize internal unit axial movement and 360 degree of radial rotaries.The present invention is mounted on by fixed disk in fermentation reaction equipment simultaneously, internal unit can be taken out under the premise of fermentation reaction equipment normal operation and be safeguarded.The present invention is used for the adjusting and maintenance of fermentation reaction equipment internal unit.
Description
Technical field
The present invention relates to plant maintenance field, more particularly to a kind of bidirectional adjuster.
Background technology
Anaerobic fermentation is that waste is stabilized, while generate biogas by microbiota metabolic activity under anaerobic
Process.Fermentation reaction equipment material in tank exists as a slurry, to ensure normal growth and the survival of microorganism species, hair
Slurries must full and uniform stirring in ferment consersion unit tank body.In traditional production process, the inside in fermentation reaction equipment
Equipment, such as mixing plant operate, therefore traditional when fermentation reaction is normally carried out on fixed position and orientation
The flexibility of mixing plant is very poor, and slurries are difficult by full and uniform stirring in fermentation reaction equipment tank body.Work as mixing plant simultaneously
When needing to overhaul or replace, it is necessary to first stop anaerobic reaction, open the cover of fermentation reaction tank, then with fixture or other machineries
Device could be overhauled or be replaced after mixing plant is taken out, and this traditional plant maintenance mode has not only seriously affected whole
The production efficiency of a fermentation reaction equipment, and process bothers.
Invention content
The technical problem to be solved by the present invention is to：In view of the above shortcomings of the prior art, a kind of bidirectional adjuster is provided.
The present invention solve its technical problem solution be：A kind of bidirectional adjuster, including axial transmission mechanism,
Radial driving mechanism, position-limit mechanism and fixed disk.
Specifically, axial transmission mechanism includes worm gear device, cabinet, roller and height regulation handle.It is wherein described
Worm gear device further includes the worm screw uprightly set and the worm gear being connect with worm screw lower part side.The computer case sleeve is set on worm gear
Endless screw apparatus lower half, wherein worm gear are located at cabinet inside, while worm screw lower half portion is interspersed in cabinet.The roller connection
In cabinet side, can be connected in practice by connecting components such as horizontal axis.The worm gear can drive roller to rotate.The height is adjusted
Handle is connect with worm screw upper end, and height regulation handle can drive worm screw to rotate.
Specifically, radial driving mechanism includes sleeve and angular adjustment handle, and the sleeve is set in the upper of the worm screw
Half position, sleeve lower end are fixedly connected with cabinet upper surface.The angular adjustment handle is connect with sleeve upper end, angular adjustment hand
Handle can drive sleeve rotating.And when sleeve rotating, cabinet can also rotate therewith, while make roller radial rotating synchronous with cabinet.
Specifically, position-limit mechanism is mounted below axial transmission mechanism, including guide-rail connection device and guide rail, the guide rail
Attachment device is fixedly mounted on axial transmission mechanism lower end, and the guide rail is vertically installed at below guide-rail connection device.In guide rail
Side is provided with card slot, and internal unit is limited when being moved axially in guide rail by card slot.In addition, when axial transmission mechanism operates
Position-limit mechanism does not move, and only when radial driving mechanism operates, position-limit mechanism is just synchronized with cabinet radially to be turned
It is dynamic.
Specifically, the centre of fixed disk is set there are one concentric pylone, and the sleeve is interspersed in concentric pylone, fixed
Disk relative sleeve is fixed up and down.In actual mechanical process, fixed disk is used to entire bidirectional adjuster being fixedly mounted on hair
On ferment consersion unit.
As a further improvement of the above technical scheme, bidirectional adjuster further includes angle positioning device.The angle
Positioning device includes angle locating plate and positioning element, and the angle locating plate is set on sleeve and, angle coaxial with sleeve
Positioning disk relative sleeve is fixed up and down, and angle locating plate is simultaneously between angular adjustment handle and fixed disk.The positioning region
Part is fixedly connected with sleeve side, positioning element simultaneously between angular adjustment handle and angle locating plate, angular adjustment hand
Handle can drive positioning element to synchronize axial-rotation.
As a further improvement of the above technical scheme, bidirectional adjuster further includes sealing axle sleeve, is located at fixed disk
Concentric pylone below, for disk and the sleeve of being sealedly connected and fixed.
As a further improvement of the above technical scheme, bidirectional adjuster further includes intelligent memory device, is mounted on
On sleeve, while below angular adjustment handle.The intelligent memory device is being adjusted for remembering the bidirectional adjuster
All exercise datas in the process.
As a further improvement of the above technical scheme, the roller including ladle body and is wrapped in bucket in laterally setting
Rope with it, rollers roll can realize the decentralization of rope or above carry.In actual mechanical process, one end of the rope is fixed
On bidirectional adjuster, the other end is connected on internal unit, therefore the decentralization of rope or above carries internal unit can be realized
Along the axial movement of the guide rail.
As a further improvement of the above technical scheme, the angle locating plate top surface edge is equipped with mark.In reality
In operating process, corresponding position is specifically identified when can be rotated by positioning element relative to angle locating plate along sleeve axle center
Judge the angle of bidirectional adjuster rotation.
The beneficial effects of the invention are as follows：The present invention, can be to fermentation reaction by axial transmission mechanism and radial driving mechanism
In equipment internal unit carry out bidirectional modulation, you can realize internal unit axial movement and 360 degree of radial rotaries.This hair simultaneously
It is bright to be mounted in fermentation reaction equipment by fixed disk, internal unit can be taken out under the premise of fermentation reaction equipment normal operation
It is safeguarded.
The present invention is small, transmission is convenient, can easily pass manually implemented transmission, and service life is long, maintenance cost
It is low, while avoid the danger of automatic drive.
The present invention is used for the adjusting and maintenance of fermentation reaction equipment internal unit.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is the part of the embodiment of the present invention rather than all implements
Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs
Scheme and attached drawing.
Fig. 1 is the stereoscopic schematic diagram faced of the present invention；
Fig. 2 is the floor map faced of the present invention；
Fig. 3 is the longitudinal profile schematic diagram of the present invention.
Specific embodiment
The technique effect of the design of the present invention, concrete structure and generation is carried out below with reference to embodiment and attached drawing clear
Chu, complete description, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright part of the embodiment rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art is not paying
The other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.In addition, be previously mentioned in text
All connection/connection relations not singly refer to component and directly connect, and refer to be added deduct by adding according to specific implementation situation
Few couple auxiliary, to form more preferably coupling structure.Each technical characteristic in the invention, in not conflicting conflict
Under the premise of can be with combination of interactions.
With reference to Fig. 1~Fig. 3, a kind of bidirectional adjuster, including axial transmission mechanism, radial driving mechanism, position restrainer
Structure and fixed disk 4.
Specifically, axial transmission mechanism includes worm gear device, cabinet 12, roller 13 and height regulation handle 14.Its
Described in worm gear device further include the worm screw 111 uprightly set and the worm gear 112 being connect with 111 lower part side of worm screw.Institute
It states cabinet 12 and is sheathed on worm gear device lower half, wherein worm gear 112 is located inside cabinet 12, while 111 lower half of worm screw
Divide and be interspersed in cabinet 12.The roller 13 is connected to 12 side of cabinet, can be connected in practice by connecting components such as horizontal axis.Institute
Stating worm gear 112 can drive roller 13 to rotate.The height regulation handle 14 is connect with 111 upper end of worm screw, height regulation handle 14
Worm screw 111 can be driven to rotate.
Specifically, radial driving mechanism includes sleeve 21 and angular adjustment handle 22, and the sleeve 21 is set in the snail
The upper portion of bar 111,21 lower end of sleeve are fixedly connected with 12 upper surface of cabinet.On the angular adjustment handle 22 and sleeve 21
End connection, angular adjustment handle 22 can be rotated with moving sleeve 21.And cabinet 12 can also be rotated therewith when sleeve 21 rotates, simultaneously
Make roller 13 and 12 synchronous radial rotating of cabinet.
Specifically, position-limit mechanism is mounted below axial transmission mechanism, described including guide-rail connection device 31 and guide rail 32
Guide-rail connection device 31 is fixedly mounted on axial transmission mechanism lower end, and the guide rail 32 is vertically installed under guide-rail connection device 31
Side.32 inside of guide rail is provided with card slot, and internal unit is limited when being moved axially in guide rail 32 by card slot.In addition, when axial
Position-limit mechanism does not move when transmission mechanism operates, only when radial driving mechanism operates, position-limit mechanism ability and cabinet
12 synchronize radial rotating.
Specifically, the centre of fixed disk 4 is set there are one concentric pylone, and the sleeve 21 is interspersed in concentric pylone,
Fixed 4 relative sleeve of disk is fixed about 21.In actual mechanical process, fixed disk 4 is used to fix entire bidirectional adjuster
In fermentation reaction equipment.
Preferred embodiment is further used as, bidirectional adjuster further includes angle positioning device.The angle positioning
Device includes angle locating plate 51 and positioning element 52, and the angle locating plate 51 is set on sleeve 21 and same with sleeve 21
Axis, 51 relative sleeve of angle locating plate is fixed about 21, and angle locating plate 51 is simultaneously positioned at angular adjustment handle 22 and fixed disk 4
Between.The positioning element 52 is fixedly connected with 21 side of sleeve, and positioning element 52 is simultaneously positioned at angular adjustment handle 22 and angle
It spends between positioning disk 51, angular adjustment handle 22 can drive positioning element 52 to synchronize axial-rotation.
Preferred embodiment is further used as, bidirectional adjuster further includes sealing axle sleeve 6, is located at fixed disk 4
Below concentric pylone, for disk 4 and the sleeve 21 of being sealedly connected and fixed.
Preferred embodiment is further used as, bidirectional adjuster further includes intelligent memory device, is mounted on sleeve
On 21, while positioned at 22 lower section of angular adjustment handle.The intelligent memory device is being adjusted for remembering the bidirectional adjuster
All exercise datas in the process.
Preferred embodiment is further used as, the roller 13 including ladle body and is wrapped in ladle body in laterally setting
On rope, roller 13 roll can be achieved rope decentralization or above carry.In actual mechanical process, one end of the rope is fixed
On bidirectional adjuster, the other end is connected on internal unit, therefore the decentralization of rope or above carries internal unit can be realized
Along the axial movement of the guide rail 32.
Preferred embodiment is further used as, 51 top surface edge of angle locating plate is equipped with mark.In practical behaviour
During work, corresponding it is specifically identified when can be rotated by positioning element 52 relative to angle locating plate 51 along 21 axle center of sleeve
The angle of position judgment bidirectional adjuster rotation.
During routine work, which is fixedly mounted on for a long time in fermentation reaction equipment, and simultaneously with hair
The internal unit of ferment consersion unit, such as mixing plant connection.When internal unit needs to carry out operating position adjustment, turn is high
Regulation handle 14 is spent, worm gear device drives roller 13 to rotate at this time, and internal unit can pass through rope and the work of guide rail 32
Firmly realize and move up and down with limiting.When internal unit needs to carry out operating configurations adjustment, rotating angle adjustment handle 22, this
When sleeve 21 drive cabinet 12, roller 13, position-limit mechanism and the rotation of 52 synchronouss axle center of positioning element, internal unit can pass through rope
360 degree of radial rotaries are realized in the active force of rope and guide rail 32 and limiting.When internal unit needs to be serviced or replaces, turn
Height regulation handle 14 is unloaded lower fixed disk 4 after internal unit lifting is come up and is taken out.
The better embodiment of the present invention is illustrated, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent modifications under the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (6)
1. a kind of bidirectional adjuster, it is characterised in that including：
Axial transmission mechanism, including worm gear device, cabinet（12）, roller（13）With height regulation handle（14）, it is described
Worm gear device further includes the worm screw uprightly set（111）With with worm screw（111）The worm gear of lower part side connection（112）, institute
State cabinet（12）It is sheathed on worm gear device lower half, the worm gear（112）Positioned at cabinet（12）Inside, the roller（13）
It is connected to cabinet（12）Side, the worm gear（112）Roller can be driven（13）Rotation, the height regulation handle（14）With worm screw
（111）Upper end connects；
Radial driving mechanism, including sleeve（21）With angular adjustment handle（22）, the sleeve（21）It is set in the worm screw
（111）Upper portion, sleeve（21）Lower end and cabinet（12）Upper surface is fixedly connected, the angular adjustment handle（22）With set
Cylinder（21）Upper end connects, angular adjustment handle（22）It can be with moving sleeve（21）Rotation；
Position-limit mechanism is mounted below axial transmission mechanism, including guide-rail connection device（31）And guide rail（32）, the guide rail
Attachment device（31）It is fixedly mounted on axial transmission mechanism lower end, the guide rail（32）It is vertically installed at guide-rail connection device（31）
Lower section；
Fixed disk（4）, the center portion thereof position set there are one concentric pylone, the sleeve（21）It is interspersed in concentric pylone, fixed disk
（4）Relative sleeve（21）It is fixed up and down.
2. a kind of bidirectional adjuster according to claim 1, it is characterised in that：Angle positioning device is further included, it is described
Angle positioning device includes angle locating plate（51）And positioning element（52）, the angle locating plate（51）It is set in sleeve（21）
Upper and and sleeve（21）Coaxially, angle locating plate（51）Relative sleeve（21）It is fixed up and down, angle locating plate（51）It is located at simultaneously
Angular adjustment handle（22）With fixed disk（4）Between, the positioning element（52）With sleeve（21）Side is fixedly connected, positioning region
Part（52）Simultaneously positioned at angular adjustment handle（22）And angle locating plate（51）Between.
3. a kind of bidirectional adjuster according to claim 2, it is characterised in that：The angle locating plate（51）Upper surface
Edge is equipped with mark.
4. a kind of bidirectional adjuster according to claim 1, it is characterised in that：Further include sealing axle sleeve（6）, it is located at
Fixed disk（4）Concentric pylone below, for the disk that is sealedly connected and fixed（4）With sleeve（21）.
5. a kind of bidirectional adjuster according to claim 1, it is characterised in that：Intelligent memory device is further included, is pacified
Mounted in sleeve（21）On, while positioned at angular adjustment handle（22）Lower section.
6. a kind of bidirectional adjuster according to claim 1, it is characterised in that：The roller（13）In lateral setting,
It includes ladle body and the rope being wrapped on ladle body, and rollers roll drives rope decentralization or above carries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610464075.4A CN105925469B (en) | 2016-06-21 | 2016-06-21 | A kind of bidirectional adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610464075.4A CN105925469B (en) | 2016-06-21 | 2016-06-21 | A kind of bidirectional adjuster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105925469A CN105925469A (en) | 2016-09-07 |
| CN105925469B true CN105925469B (en) | 2018-06-08 |
Family
ID=56832110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610464075.4A Expired - Fee Related CN105925469B (en) | 2016-06-21 | 2016-06-21 | A kind of bidirectional adjuster |
Country Status (1)
| Country | Link |
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| CN (1) | CN105925469B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6352005B1 (en) * | 2000-04-06 | 2002-03-05 | Industrial Technology Reseach Institute | Two screws double-stroke and screw differential-motion mechanism applied in standard mechanical interface |
| CN203197064U (en) * | 2013-05-09 | 2013-09-18 | 诸暨市米蓝机械有限公司 | R-shaft hand wheel regulating mechanism of bending machine |
| CN103513658A (en) * | 2012-06-29 | 2014-01-15 | 上海昆杰五金工具有限公司 | Hammer handle angle adjusting device |
| CN104029104A (en) * | 2014-07-04 | 2014-09-10 | 重庆钢铁(集团)有限责任公司 | Suspension type grinding machine rotation adjusting device |
| US20140328145A1 (en) * | 2011-12-13 | 2014-11-06 | Eta Sa Manufacture Horlogere Suisse | Modular mechanical timepiece movement with functional modules |
| CN204387622U (en) * | 2015-01-16 | 2015-06-10 | 拉萨集通电子发展有限公司 | A kind of camera lifting mechanism |
| CN205741007U (en) * | 2016-06-21 | 2016-11-30 | 胡超 | A kind of bidirectional adjuster |
-
2016
- 2016-06-21 CN CN201610464075.4A patent/CN105925469B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6352005B1 (en) * | 2000-04-06 | 2002-03-05 | Industrial Technology Reseach Institute | Two screws double-stroke and screw differential-motion mechanism applied in standard mechanical interface |
| US20140328145A1 (en) * | 2011-12-13 | 2014-11-06 | Eta Sa Manufacture Horlogere Suisse | Modular mechanical timepiece movement with functional modules |
| CN103513658A (en) * | 2012-06-29 | 2014-01-15 | 上海昆杰五金工具有限公司 | Hammer handle angle adjusting device |
| CN203197064U (en) * | 2013-05-09 | 2013-09-18 | 诸暨市米蓝机械有限公司 | R-shaft hand wheel regulating mechanism of bending machine |
| CN104029104A (en) * | 2014-07-04 | 2014-09-10 | 重庆钢铁(集团)有限责任公司 | Suspension type grinding machine rotation adjusting device |
| CN204387622U (en) * | 2015-01-16 | 2015-06-10 | 拉萨集通电子发展有限公司 | A kind of camera lifting mechanism |
| CN205741007U (en) * | 2016-06-21 | 2016-11-30 | 胡超 | A kind of bidirectional adjuster |
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| Publication number | Publication date |
|---|---|
| CN105925469A (en) | 2016-09-07 |
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