CN105925469A - Two-way regulating device - Google Patents
Two-way regulating device Download PDFInfo
- Publication number
- CN105925469A CN105925469A CN201610464075.4A CN201610464075A CN105925469A CN 105925469 A CN105925469 A CN 105925469A CN 201610464075 A CN201610464075 A CN 201610464075A CN 105925469 A CN105925469 A CN 105925469A
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- Prior art keywords
- sleeve
- transmission mechanism
- cabinet
- locating plate
- angular adjustment
- 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.)
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- 230000001105 regulatory effect Effects 0.000 title abstract 8
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000002457 bidirectional effect Effects 0.000 claims description 27
- 238000012546 transfer Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000855 fermentation Methods 0.000 abstract description 20
- 230000004151 fermentation Effects 0.000 abstract description 19
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000005096 rolling process Methods 0.000 abstract 2
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000010297 mechanical methods and process Methods 0.000 description 6
- 230000005226 mechanical processes and functions Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- 239000002002 slurry Substances 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241000736262 Microbiota Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram 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
- 230000008569 process Effects 0.000 description 1
- 230000004083 survival effect Effects 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 two-way regulating device, which comprises an axial transmission mechanism, a radial transmission mechanism, a position limiting mechanism and a fixing disc, wherein the axial transmission mechanism comprises a worm wheel and worm rod device, a machine case, a rolling tube and a height regulating handle; the height regulating handle enables the rolling tube to rotate through the worm wheel and worm rod device; the radial transmission mechanism comprises a sleeve and an angle regulating handle; the angle regulating handle enables the position limiting mechanism to do synchronous radial rotation through the sleeve. Through the axial transmission mechanism and the radial transmission mechanism, inside equipment in fermentation reaction equipment can realize two-way regulation; the axial movement and the 360-degree rotation of the inside equipment can be realized. Meanwhile, the two-way regulating device is arranged on the fermentation reaction equipment through a fixing disc, so that the inside equipment can be taken to be maintained on the precise that the fermentation reaction equipment normally operates. The two-way regulating device is used for the regulation and the maintenance of the inside equipment of the fermentation reaction equipment.
Description
Technical field
The present invention relates to plant maintenance field, particularly to a kind of bidirectional adjuster.
Background technology
Anaerobic fermentation is that discarded object is under anaerobic stabilized by microbiota metabolic activity, produces the process of biogas simultaneously.Fermentation reaction equipment material in tank exists as a slurry, and for ensureing normal growth and the survival of microorganism species, in fermentation reaction equipment tank body, slurries must full and uniform stirring.In traditional production process, internal unit in fermentation reaction equipment, such as mixing plant, be operating on fixing position and orientation when fermentation reaction is normally carried out, the flexibility of the most traditional mixing plant is very poor, and in fermentation reaction equipment tank body, slurries are difficult to by full and uniform stirring.Simultaneously when mixing plant needs maintenance or changes, must first stop anaerobic reaction, open the lid of fermentation reaction tank, just can overhaul or change after mixing plant being taken out with fixture or other mechanical devices again, this traditional plant maintenance mode has not only had a strong impact on the production efficiency of whole fermentation reaction equipment, and operation bothers.
Summary of the invention
The technical problem to be solved in the present invention is: for above-mentioned the deficiencies in the prior art, it is provided that a kind of bidirectional adjuster.
The present invention solves the solution of its technical problem: a kind of bidirectional adjuster, it includes axial transmission mechanism, radial driving mechanism, position-limit mechanism and fixed disk.
Specifically, axial transmission mechanism includes worm gear device, cabinet, cylinder and height regulation handle.Wherein said worm gear device also includes the worm screw uprightly arranged and the worm gear being connected with side, worm screw bottom.Described computer case sleeve is located at worm gear device lower half, and wherein worm gear is positioned at cabinet inside, and worm screw the latter half is interspersed in cabinet simultaneously.Described cylinder is connected to cabinet side, can be connected by connection members such as transverse axis in reality.Described worm gear can drive cylinder to rotate.Described height regulation handle is connected 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 described sleeve is set in the upper portion of described worm screw, and sleeve lower end is fixing with cabinet upper surface to be connected.Described angular adjustment handle is connected with sleeve upper end, and angular adjustment handle can drive sleeve rotating.And when sleeve rotating cabinet also can concomitant rotation, make cylinder radial rotating Tong Bu with cabinet simultaneously.
Specifically, position-limit mechanism is arranged on below axial transmission mechanism, and including guide-rail connection device and guide rail, described guide-rail connection device is fixedly mounted on axial transmission mechanism lower end, and described guide rail is vertically installed at below guide-rail connection device.Draw-in groove it is provided with inside guide rail, spacing by draw-in groove when internal unit moves axially in guide rail.It addition, position-limit mechanism does not move when axial transmission mechanism operates, only when radial driving mechanism operates, position-limit mechanism just carries out Tong Bu radial rotating with cabinet.
Specifically, the centre of fixed disk is provided with a concentric pylone, and described sleeve is interspersed in concentric pylone, and fixed disk relative sleeve is fixed up and down.In actual mechanical process, fixed disk is for being fixedly mounted on fermentation reaction equipment by whole bidirectional adjuster.
As the further improvement of technique scheme, bidirectional adjuster also includes angle positioning device.Described angle positioning device includes that angle locating plate and positioning element, described angle locating plate are set on sleeve and coaxial with sleeve, and angle locating plate relative sleeve is fixed up and down, and angle locating plate is simultaneously between angular adjustment handle and fixed disk.Described positioning element is fixing with sleeve side to be connected, and positioning element is simultaneously between angular adjustment handle and angle locating plate, and angular adjustment handle can drive positioning element to synchronize axial-rotation.
As the further improvement of technique scheme, bidirectional adjuster also includes sealing axle sleeve, and it is positioned at below the concentric pylone of fixed disk, is used for be sealedly connected and fixed dish and sleeve.
As the further improvement of technique scheme, bidirectional adjuster also includes intelligent memory device, and it is arranged on sleeve, is positioned at below angular adjustment handle simultaneously.Described intelligent memory device is for remembering this bidirectional adjuster all exercise datas during regulation.
As the further improvement of technique scheme, described cylinder is horizontally set, and it includes ladle body and the rope being wrapped on ladle body, rollers roll can realize rope transfer or on carry.In actual mechanical process, one end of described rope is fixed on bidirectional adjuster, and the other end is connected on internal unit, therefore rope transfer or on carry and can realize internal unit moving axially along described guide rail.
As the further improvement of technique scheme, described angle locating plate top surface edge is provided with mark.In actual mechanical process, the angle being specifically identified the rotation of position judgment bidirectional adjuster corresponding when can be rotated along sleeve axle center relative to angle locating plate by positioning element.
The invention has the beneficial effects as follows: the present invention passes through axial transmission mechanism and radial driving mechanism, internal unit in fermentation reaction equipment can be carried out bidirectional modulation, can realize moving axially and 360 degree of radial rotaries of internal unit.The present invention is arranged on fermentation reaction equipment by fixed disk simultaneously, can take out internal unit and safeguard on the premise of fermentation reaction equipment normal operation.
Volume of the present invention is little, transmission is convenient, can easily pass manually implemented transmission, and length in service life, maintenance cost are low, avoid the danger of automatic drive simultaneously.
The present invention is used for regulation and the maintenance of fermentation reaction device interior equipment.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in describing embodiment below, the required accompanying drawing used is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present invention rather than whole embodiment, and those skilled in the art is not on the premise of paying creative work, it is also possible to obtain other designs and accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic perspective view 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.
Detailed description of the invention
Below with reference to embodiment and accompanying drawing, the technique effect of design, concrete structure and the generation of the present invention is carried out clear, complete description, to be completely understood by the purpose of the present invention, feature and effect.Obviously; described embodiment is a part of embodiment of the present invention rather than whole embodiment, based on embodiments of the invention; other embodiments that those skilled in the art is obtained on the premise of not paying creative work, belong to the scope of protection of the invention.It addition, all connection/annexations being previously mentioned in literary composition, the most singly refer to that component directly connects, and refer to couple auxiliary according to being embodied as situation by adding or reducing, form more excellent draw bail.Each technical characteristic in the invention, can be with combination of interactions on the premise of the most conflicting conflict.
With reference to Fig. 1～Fig. 3, a kind of bidirectional adjuster, it includes axial transmission mechanism, radial driving mechanism, position-limit mechanism and fixed disk 4.
Specifically, axial transmission mechanism includes worm gear device, cabinet 12, cylinder 13 and height regulation handle 14.Wherein said worm gear device also includes the worm screw 111 uprightly arranged and the worm gear 112 being connected with side, worm screw 111 bottom.Described cabinet 12 is sheathed on worm gear device lower half, and wherein worm gear 112 is positioned at cabinet 12 inside, and worm screw 111 the latter half is interspersed in cabinet 12 simultaneously.Described cylinder 13 is connected to cabinet 12 side, can be connected by connection members such as transverse axis in reality.Described worm gear 112 can drive cylinder 13 to rotate.Described height regulation handle 14 is connected with worm screw 111 upper end, and height regulation handle 14 can drive worm screw 111 to rotate.
Specifically, radial driving mechanism includes that sleeve 21 and angular adjustment handle 22, described sleeve 21 are set in the upper portion of described worm screw 111, and sleeve 21 lower end is fixing with cabinet 12 upper surface to be connected.Described angular adjustment handle 22 is connected with sleeve 21 upper end, and angular adjustment handle 22 can rotate by band moving sleeve 21.And when sleeve 21 rotates cabinet 12 also can concomitant rotation, make cylinder 13 radial rotating synchronize with cabinet 12 simultaneously.
Specifically, position-limit mechanism is arranged on below axial transmission mechanism, and including guide-rail connection device 31 and guide rail 32, described guide-rail connection device 31 is fixedly mounted on axial transmission mechanism lower end, and described guide rail 32 is vertically installed at below guide-rail connection device 31.Draw-in groove it is provided with inside guide rail 32, spacing by draw-in groove when internal unit moves axially in guide rail 32.It addition, position-limit mechanism does not move when axial transmission mechanism operates, only when radial driving mechanism operates, position-limit mechanism just carries out Tong Bu radial rotating with cabinet 12.
Specifically, the centre of fixed disk 4 is provided with a concentric pylone, and described sleeve 21 is interspersed in concentric pylone, and fixed disk 4 relative sleeve about 21 is fixed.In actual mechanical process, fixed disk 4 is for being fixedly mounted on fermentation reaction equipment by whole bidirectional adjuster.
Being further used as preferred embodiment, bidirectional adjuster also includes angle positioning device.Described angle positioning device includes angle locating plate 51 and positioning element 52, described angle locating plate 51 is set on sleeve 21 and coaxial with sleeve 21, angle locating plate 51 relative sleeve about 21 is fixed, and angle locating plate 51 is simultaneously between angular adjustment handle 22 and fixed disk 4.Described positioning element 52 is fixing with sleeve 21 side to be connected, and positioning element 52 is simultaneously between angular adjustment handle 22 and angle locating plate 51, and angular adjustment handle 22 can drive positioning element 52 to synchronize axial-rotation.
Being further used as preferred embodiment, bidirectional adjuster also includes sealing axle sleeve 6, and it is positioned at below the concentric pylone of fixed disk 4, is used for be sealedly connected and fixed dish 4 and sleeve 21.
Being further used as preferred embodiment, bidirectional adjuster also includes intelligent memory device, and it is arranged on sleeve 21, is positioned at below angular adjustment handle 22 simultaneously.Described intelligent memory device is for remembering this bidirectional adjuster all exercise datas during regulation.
Being further used as preferred embodiment, described cylinder 13 is in horizontally set, and it includes ladle body and the rope being wrapped on ladle body, cylinder 13 roll can realize rope transfer or on carry.In actual mechanical process, one end of described rope is fixed on bidirectional adjuster, and the other end is connected on internal unit, therefore rope transfer or on carry and can realize internal unit moving axially along described guide rail 32.
Being further used as preferred embodiment, described angle locating plate 51 top surface edge is provided with mark.In actual mechanical process, the angle being specifically identified the rotation of position judgment bidirectional adjuster corresponding when can be rotated along sleeve 21 axle center relative to angle locating plate 51 by positioning element 52.
During routine work, this bidirectional adjuster is fixedly mounted on fermentation reaction equipment for a long time, and simultaneously with the internal unit of fermentation reaction equipment, such as mixing plant connects.When internal unit needs to be operated position adjustment, turn highly regulates handle 14, and now worm gear device drives cylinder 13 to rotate, and internal unit can be moved up and down by rope and the active force of guide rail 32 and spacing realization.When internal unit needs to be operated orientation adjustment, rotating angle adjusts handle 22, now sleeve 21 drives cabinet 12, cylinder 13, position-limit mechanism and positioning element 52 to synchronize axle center to rotate, and internal unit can be by rope and the active force of guide rail 32 with spacing realize 360 degree of radial rotaries.When internal unit needs to be serviced or changes, turn highly regulates after internal unit lifting is come up by handle 14 and unloads lower fixed disk 4 and take out.
Above the better embodiment of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement on the premise of spirit of the present invention, and modification or the replacement of these equivalents are all contained in the application claim limited range.
Claims (6)
1. a bidirectional adjuster, it is characterised in that including:
Axially transmission mechanism, it includes worm gear device, cabinet (12), cylinder (13) and height regulation handle (14), described worm gear device also includes the worm screw (111) uprightly arranged and the worm gear (112) being connected with worm screw (111) side, bottom, described cabinet (12) is sheathed on worm gear device lower half, it is internal that described worm gear (112) is positioned at cabinet (12), described cylinder (13) is connected to cabinet (12) side, described worm gear (112) can drive cylinder (13) to rotate, described height regulation handle (14) is connected with worm screw (111) upper end；
Radial driving mechanism, it includes sleeve (21) and angular adjustment handle (22), described sleeve (21) is set in the upper portion of described worm screw (111), sleeve (21) lower end is fixing with cabinet (12) upper surface to be connected, described angular adjustment handle (22) is connected with sleeve (21) upper end, and angular adjustment handle (22) can rotate by band moving sleeve (21)；
Position-limit mechanism, it is arranged on below axial transmission mechanism, including guide-rail connection device (31) and guide rail (32), described guide-rail connection device (31) is fixedly mounted on axial transmission mechanism lower end, and described guide rail (32) is vertically installed at guide-rail connection device (31) lower section；
Fixed disk (4), the center portion thereof position is provided with a concentric pylone, and described sleeve (21) is interspersed in concentric pylone, and fixed disk (4) relative sleeve (21) is fixed up and down.
A kind of bidirectional adjuster the most according to claim 1, it is characterized in that: also include angle positioning device, described angle positioning device includes angle locating plate (51) and positioning element (52), it is upper and coaxial with sleeve (21) that described angle locating plate (51) is set in sleeve (21), angle locating plate (51) relative sleeve (21) is fixed up and down, angle locating plate (51) is positioned between angular adjustment handle (22) and fixed disk (4) simultaneously, described positioning element (52) is fixing with sleeve (21) side to be connected, positioning element (52) is positioned between angular adjustment handle (22) and angle locating plate (51) simultaneously.
A kind of bidirectional adjuster the most according to claim 2, it is characterised in that: described angle locating plate (51) top surface edge is provided with mark.
A kind of bidirectional adjuster the most according to claim 1, it is characterised in that: also including sealing axle sleeve (6), it is positioned at below the concentric pylone of fixed disk (4), is used for be sealedly connected and fixed dish (4) and sleeve (21).
A kind of bidirectional adjuster the most according to claim 1, it is characterised in that: also including intelligent memory device, it is arranged on sleeve (21), is positioned at angular adjustment handle (22) lower section simultaneously.
A kind of bidirectional adjuster the most according to claim 1, it is characterised in that: described cylinder (13) is in horizontally set, and it includes ladle body and the rope being wrapped on ladle body, rollers roll drive rope to transfer or on carry.
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 true CN105925469A (en) | 2016-09-07 |
| CN105925469B CN105925469B (en) | 2018-06-08 |
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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 |
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| 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 |
|---|---|
| CN105925469B (en) | 2018-06-08 |
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Granted publication date: 20180608 |