CN108716033B - Air vortex spinning machine protection fixing device convenient to remove - Google Patents
Air vortex spinning machine protection fixing device convenient to remove Download PDFInfo
- Publication number
- CN108716033B CN108716033B CN201810902812.3A CN201810902812A CN108716033B CN 108716033 B CN108716033 B CN 108716033B CN 201810902812 A CN201810902812 A CN 201810902812A CN 108716033 B CN108716033 B CN 108716033B
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- Prior art keywords
- fixed
- connecting rod
- spinning machine
- limiting
- vortex spinning
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- Expired - Fee Related
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- 238000007382 vortex spinning Methods 0.000 title claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000000670 limiting effect Effects 0.000 claims description 54
- 230000003139 buffering effect Effects 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000009987 spinning Methods 0.000 abstract description 8
- 230000001681 protective effect Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010042 air jet spinning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/02—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by a fluid, e.g. air vortex
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention discloses a protective fixing device of an air vortex spinning machine convenient to move, which comprises a bearing support, wherein the bearing support comprises a bearing plate and four support columns vertically fixed at four corners of the bottom surface of the bearing plate, the air vortex spinning machine is installed and fixed on the surface of the bearing plate, two connecting plates are vertically fixed at two sides of the middle part of the bottom surface of the bearing plate, a positioning plate is vertically connected and fixed between the two connecting plates, a transmission shaft is installed and fixed at the center of the positioning plate, a transmission wheel is installed and fixed at the top end of the transmission shaft, and the bottom end of the. According to the vortex spinning machine, the vortex spinning machine is directly arranged on the protection fixing device and supported by the four support columns when in use, so that the spinning machine can be effectively prevented from moving, and meanwhile, the four universal wheels can replace the support columns to be supported on the ground through the matching action of the lifting screw, the lifting pulling seat and the connecting rod pulling mechanism when the vortex spinning machine needs to move, so that the vortex spinning machine can move at any time and is convenient to move.
Description
Technical Field
The invention belongs to the field of vortex spinning machines, and relates to a protection and fixing device of an air vortex spinning machine, which is convenient to move.
Background
The vortex spinning machine is a novel spinning method which is developed on the basis of air jet spinning and utilizes a fixed vortex spinning tube to replace a spinning cup which rotates at a high speed for spinning, the air jet vortex spinning utilizes the rotation of air to lead long fibers to gather towards the center of the yarn, and short fibers are dispersedly coated on the outer layer.
The existing vortex spinning machine is generally directly arranged on a support and is inconvenient to move, when the vortex spinning machine needs to move, the vortex spinning machine needs to move after the large parts are disassembled, and then the vortex spinning machine is assembled, so that the vortex spinning machine is inconvenient to move and certain damage is caused to the parts in the disassembling and assembling process.
Disclosure of Invention
The invention aims to provide a protective fixing device of an air vortex spinning machine convenient to move, which can effectively prevent the spinning machine from moving by directly installing the vortex spinning machine on the protective fixing device and supporting the vortex spinning machine by four supporting columns when in use, and can realize that four universal wheels replace the supporting columns to support on the ground by the matching action of a lifting screw rod, a lifting pulling seat and a connecting rod pulling mechanism when in need of moving, can move at any time, is convenient to move, does not need to disassemble the spinning machine, and prevents parts from being damaged.
The purpose of the invention can be realized by the following technical scheme:
a protective fixing device of an air vortex spinning machine convenient to move comprises a bearing support, wherein the bearing support comprises a bearing plate and four support columns vertically fixed at four corners of the bottom surface of the bearing plate;
the end surface of the driving wheel is provided with a lifting screw rod, and a lifting pulling seat is sleeved on the lifting screw rod; the lifting pulling seat comprises a transmission cylinder and a fixed block integrally connected and fixed at the top of the transmission cylinder, two ends of two opposite side walls of the fixed block are uniformly connected and fixed with horizontally distributed pulling hinge rods, internal threads in threaded fit with the lifting screw rods are formed in the inner surface of the side walls of the transmission cylinder, and one end of each pulling hinge rod is hinged with a connecting rod pulling mechanism;
two sides of the middle part of the side walls of the two connecting plates are respectively fixed with a positioning rotating shaft, and the connecting rod pulling mechanism comprises a first connecting rod, a second connecting rod and a third connecting rod; a pulling strip is integrally connected and fixed on the side wall of one end of the second connecting rod, which is positioned on the pulling strip, is hinged on the positioning rotating shaft, a first hinge hole is formed in the side wall of one end of the pulling strip, a first hinge shaft is installed in the first hinge hole, one end of the first connecting rod is hinged to one end of the pulling hinge rod, and the other end of the first connecting rod is hinged on the first hinge shaft; one end of the third connecting rod is hinged to the side wall of one end, far away from the pulling strip, of the second connecting rod, and the other end of the third connecting rod is hinged and fixed with a movable supporting seat;
the two side walls at the two ends of the bearing plate are both provided with second hinge holes, second hinge shafts are arranged in the second hinge holes, the movable supporting seat comprises two limiting fixed top plates and limiting fixed bottom plates which are arranged in parallel, one sides of the limiting fixed top plates and the limiting fixed bottom plates are connected and fixed through connecting blocks, one side wall of one end of each limiting fixed top plate is integrally connected and fixed with a supporting connecting rod, the side wall of the other end of each limiting fixed top plate is provided with a third hinge shaft, the top end of each supporting connecting rod is hinged to the corresponding second hinge shaft, and one end of each third connecting rod is hinged to the corresponding; the movable supporting seat is provided with a buffering universal wheel.
Furthermore, an included angle between the supporting connecting rod and the limiting fixed top plate is 45-50 degrees.
Furthermore, a thread mounting groove is formed in the center of the bottom surface of the limiting and fixing top plate, and a sliding through hole corresponding to the thread mounting groove is formed in the surface of the limiting and fixing bottom plate; the buffering universal wheel includes that universal wheel and body coupling are fixed in the spacing section of thick bamboo at universal wheel top, and the slip cap is established and is installed the dead lever in the spacing section of thick bamboo, and open the top lateral wall surface of dead lever have with screw thread mounting groove screw-thread fit's external screw thread, and during the top of dead lever was fixed in the screw thread mounting groove through threaded connection, the cover was equipped with the spring on the dead lever, and the top of spring compressed tightly with the bottom surface of spacing fixed roof and meets, and the bottom compresses tightly with the top of a spacing.
Further, the external diameter of the limiting cylinder is equal to the aperture of the sliding through hole.
Furthermore, the lateral wall of a spacing section of thick bamboo is opened relatively has two spacing grooves, and the bottom lateral wall body coupling of dead lever is fixed with two respectively with spacing groove complex joint piece, the joint piece can slide in the spacing groove.
Furthermore, the length of the clamping block is 5-5.5 times of the length of the limiting groove.
The invention has the beneficial effects that:
according to the vortex spinning machine, the vortex spinning machine is directly arranged on the protection fixing device and supported by the four support columns when in use, so that the spinning machine can be effectively prevented from moving, and meanwhile, the four universal wheels can replace the support columns to be supported on the ground through the matching action of the lifting screw, the lifting pulling seat and the connecting rod pulling mechanism when the vortex spinning machine needs to move, so that the vortex spinning machine can move at any time, is convenient to move, does not need to be disassembled, and prevents parts from being damaged.
According to the buffering universal wheel used by the invention, in the moving process of the protection device, the universal wheel applies pressure to the fixed cylinder, the fixed cylinder moves upwards to compress the spring, and the vibration of the spinning machine in the moving process is prevented by the buffering action of the spring, so that the damage of compact parts is further prevented.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of a protective fixing device for supporting a support column according to the present invention;
FIG. 2 is a schematic structural view of the protection fixing device for supporting the universal wheel according to the present invention;
FIG. 3 is a schematic view of a load support structure;
FIG. 4 is a schematic view of a portion of the structure of FIG. 2;
FIG. 5 is an exploded view of the portion of FIG. 2;
FIG. 6 is an exploded view of the portion of FIG. 5;
FIG. 7 is an exploded view of the portion of FIG. 5;
FIG. 8 is a schematic view of a structure of a damping universal wheel.
Detailed Description
A protective fixing device of an air vortex spinning machine convenient to move is shown in figures 1, 2 and 3 and comprises a bearing support 1, wherein the bearing support 1 comprises a bearing plate 11 and four support columns 12 vertically fixed at four corners of the bottom surface of the bearing plate 11, the air vortex spinning machine is installed and fixed on the surface of the bearing plate 11, two connecting plates 13 are vertically fixed at two sides of the middle part of the bottom surface of the bearing plate 11, a positioning plate 14 which is parallel to the bearing plate 11 is vertically connected and fixed between the two connecting plates 13, a transmission shaft 15 is installed and fixed at the center of the positioning plate 14, a transmission wheel 2 is installed and fixed at the top end of the transmission shaft 15, the bottom end of the transmission shaft penetrates through the positioning plate 14 to be connected with a;
as shown in fig. 4 and 5, a lifting screw 3 is mounted on the end surface of the driving wheel 2, and a lifting pulling seat 4 is sleeved on the lifting screw 3; the lifting pulling seat 4 comprises a transmission cylinder 41 and a fixed block 42 integrally connected and fixed at the top of the transmission cylinder 41, two ends of two opposite side walls of the fixed block 42 are uniformly and fixedly connected with pulling hinge rods 43 which are horizontally distributed, the inner surface of the side wall of the transmission cylinder 41 is provided with internal threads which are in threaded fit with the lifting screw rod 3, and one end of each pulling hinge rod 43 is hinged with a connecting rod pulling mechanism 5; the speed reduction motor is controlled to drive the driving wheel 2 to rotate through the transmission shaft 15, the driving wheel 2 drives the lifting screw rod 3 to rotate, the lifting screw rod 3 drives the transmission cylinder 41 to rotate through the threaded connection effect, and the transmission cylinder 41 can only move up and down along the lifting screw rod 3 but can not rotate along the lifting screw rod 3 due to the limiting effect of the connecting rod pulling mechanism 5 when the hinged rod 43 is pulled on the peripheral side of the lifting pulling seat 4, and the lifting pulling seat 4 is driven to move up and down through the up and down movement of the transmission cylinder 41;
as shown in fig. 6, the positioning rotating shafts 131 are fixed on both sides of the middle portions of the side walls of the two connecting plates 13, and the connecting rod pulling mechanism 5 includes a first connecting rod 51, a second connecting rod 52 and a third connecting rod 53; a pulling strip 521 is integrally connected and fixed on the side wall of one end of the second connecting rod 52, which is positioned on the pulling strip 521, is hinged to the positioning rotating shaft 131, a first hinge hole is formed in the side wall of one end of the pulling strip 521, a first hinge shaft is installed in the first hinge hole, one end of the first connecting rod 51 is hinged to one end of the pulling hinge rod 43, and the other end of the first connecting rod is hinged to the first hinge shaft; one end of the third connecting rod 53 is hinged to the side wall of the second connecting rod 52 far away from one end of the pulling strip 521, and the other end is hinged and fixed with the movable supporting seat 6;
the two side walls at the two ends of the bearing plate 11 are both provided with second hinge holes 111, second hinge shafts are installed in the second hinge holes 111, the movable supporting seat 6 comprises two limiting fixed top plates 61 and limiting fixed bottom plates 62 which are arranged in parallel, one sides of the limiting fixed top plates 61 and the limiting fixed bottom plates 62 are fixedly connected through connecting blocks 63, one side wall of one end of each limiting fixed top plate 61 is integrally fixedly connected with a supporting connecting rod 64, the other side wall of the other end of each limiting fixed top plate is provided with a third hinge shaft 65, an included angle between each supporting connecting rod 64 and each limiting fixed top plate 61 is 45-50 degrees, the top ends of the supporting connecting rods 64 are hinged to the second hinge shafts, and one ends of the third connecting rods 53 are hinged to the; a buffer universal wheel 7 is arranged on the movable supporting seat 6;
as shown in fig. 7 and 8, a thread installation groove 611 is formed at the center of the bottom surface of the top plate 61, and a sliding through hole 621 corresponding to the thread installation groove 611 is formed on the surface of the bottom plate 62; the buffering universal wheel 7 comprises a universal wheel 71 and a limiting cylinder 72 integrally connected and fixed to the top of the universal wheel 71, the outer diameter of the limiting cylinder 72 is equal to the aperture of the sliding through hole 621, a fixing rod 73 is slidably sleeved in the limiting cylinder 72, an external thread in threaded fit with the threaded mounting groove 611 is formed in the outer surface of the side wall of the top end of the fixing rod 73, the top end of the fixing rod 73 is fixed in the threaded mounting groove 611 through threaded connection, a spring 74 is sleeved on the fixing rod 73, the top end of the spring 74 is in compression connection with the bottom surface of the limiting fixing top plate 61, and the bottom end of the spring 74 is; the side wall of the limiting cylinder 72 is relatively provided with two limiting grooves 721, the bottom side wall of the fixing rod 73 is integrally connected and fixed with two clamping blocks 731 which are respectively matched with the limiting grooves 721, the clamping blocks 731 can slide in the limiting grooves 721, the length of the clamping blocks 731 is 5-5.5 times of the length of the limiting grooves 721, after the fixing rod 73 is fixed in the thread mounting groove 611, the limiting cylinder 72 is clamped in the limiting grooves 721 through the clamping blocks 731 to realize limiting fixing of the limiting cylinder 72, the limiting cylinder 72 is prevented from rotating, meanwhile, the clamping blocks 731 move in the limiting grooves 721 when the limiting cylinder 72 moves upwards along the sliding through hole 621, the top of the limiting cylinder 72 applies pressure to the spring 74, the spring is compressed, and further, a certain buffering and damping effect is achieved on the universal wheel 71.
The specific use process of the protection fixing device is as follows:
when the air vortex spinning machine is normally placed and works, the four support columns 12 in the bearing bracket 1 are supported on the ground, and the air vortex spinning machine is supported and fixed through the four support columns 12;
when the air vortex spinning machine moves, the speed reduction motor is controlled to drive the transmission wheel 2 to rotate through the transmission shaft 15, the transmission wheel 2 drives the lifting screw rod 3 to rotate, the lifting screw rod 3 drives the transmission cylinder 41 to rotate through the threaded connection effect, the transmission cylinder 41 can only move downwards along the lifting screw rod 3 but can only move downwards along the lifting screw rod 3 due to the limiting effect of the connecting rod pulling mechanism 5 by pulling the hinged rod 43 on the peripheral side of the lifting pulling seat 4, the first connecting rod 51 is driven to move downwards by pulling the hinged rod 43, one end of the first connecting rod 51 pushes the pulling strip 521 on the second connecting rod 52 to move downwards, one end of the second connecting rod 52 is hinged on the positioning rotating shaft 131, so that the other end of the second connecting rod 52 is driven to move downwards when the pulling strip 521 moves downwards, the third connecting rod 53 is driven to move downwards by the second connecting rod 52, and the third connecting rod 53 pushes the limiting, because the supporting connecting rod 64 is hinged to the side wall of the bearing plate 11, the third connecting rod 53 pushes the third hinge shaft on the supporting connecting rod 64 to move downwards, and further drives the buffering universal wheel 7 to move downwards, until the universal wheel 71 is contacted with the bottom surface, the universal wheel 71 is continuously moved, and at this time, the universal wheel 71 is supported on the ground, and the four supporting columns 12 are slowly lifted upwards, the universal wheel 71 applies upward pressure to the limiting cylinder 72 when being supported on the ground, the clamping block 731 moves in the limiting groove 721 when the limiting cylinder 72 moves upwards along the sliding through hole 621, the top of the limiting cylinder 72 applies pressure to the spring 74, the spring is compressed, and further the whole fixing device has a certain buffering effect, so that when the universal wheel 71 supports the whole device, and pushes the air vortex spinning machine to move, the whole fixing device has a certain buffering effect on the air vortex spinning machine.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The protection and fixing device of the air vortex spinning machine convenient to move is characterized by comprising a bearing support (1), wherein the bearing support (1) comprises a bearing plate (11) and four support columns (12) vertically fixed at four corners of the bottom surface of the bearing plate (11), the air vortex spinning machine is installed and fixed on the surface of the bearing plate (11), two connecting plates (13) are vertically fixed on two sides of the middle part of the bottom surface of the bearing plate (11), a positioning plate (14) which is parallel to the bearing plate (11) is vertically connected and fixed between the two connecting plates (13), a transmission shaft (15) is installed and fixed at the center of the positioning plate (14), a transmission wheel (2) is installed and fixed at the top end of the transmission shaft (15), and the bottom end of the transmission shaft penetrates through the;
a lifting screw (3) is arranged on the end surface of the driving wheel (2), and a lifting pulling seat (4) is sleeved on the lifting screw (3); the lifting pulling seat (4) comprises a transmission cylinder (41) and a fixed block (42) which is integrally connected and fixed at the top of the transmission cylinder (41), pulling hinge rods (43) which are horizontally distributed are uniformly connected and fixed at two ends of two opposite side walls of the fixed block (42), internal threads which are in threaded fit with the lifting screw rod (3) are arranged on the inner surface of the side wall of the transmission cylinder (41), and a connecting rod pulling mechanism (5) is hinged to one end of each pulling hinge rod (43);
two sides of the middle part of the side walls of the two connecting plates (13) are respectively fixed with a positioning rotating shaft (131), and the connecting rod pulling mechanism (5) comprises a first connecting rod (51), a second connecting rod (52) and a third connecting rod (53); a pulling strip (521) is integrally connected and fixed on the side wall of one end of the second connecting rod (52), one end, located on the pulling strip (521), of the second connecting rod (52) is hinged to the positioning rotating shaft (131), a first hinge hole is formed in the side wall of one end of the pulling strip (521), a first hinge shaft is installed in the first hinge hole, one end of the first connecting rod (51) is hinged to one end of the pulling hinge rod (43), and the other end of the first connecting rod is hinged to the first hinge shaft; one end of the third connecting rod (53) is hinged on the side wall of one end of the second connecting rod (52) far away from the pulling strip (521), and the other end of the third connecting rod is hinged and fixed with a movable supporting seat (6);
two side walls at two ends of the bearing plate (11) are respectively provided with a second hinge hole (111), a second hinge shaft is arranged in each second hinge hole (111), the movable supporting seat (6) comprises two limiting fixed top plates (61) and limiting fixed bottom plates (62) which are arranged in parallel, one sides of the limiting fixed top plates (61) and the limiting fixed bottom plates (62) are fixedly connected through a connecting block (63), one side wall of one end of each limiting fixed top plate (61) is integrally connected and fixed with a supporting connecting rod (64), the other side wall of the other end of each limiting fixed top plate is provided with a third hinge shaft (65), the top end of each supporting connecting rod (64) is hinged to the corresponding second hinge shaft, and one end of each third connecting rod (53) is hinged to the corresponding third hinge shaft (; the movable supporting seat (6) is provided with a buffer universal wheel (7).
2. A portable air vortex spinning machine protection fixing device according to claim 1 characterized in that the angle between the support link (64) and the limit fixing top plate (61) is 45-50 degrees.
3. The conveniently movable air vortex spinning machine protection fixing device according to claim 1, characterized in that the center of the bottom surface of the limit fixing top plate (61) is provided with a thread installation groove (611), and the surface of the limit fixing bottom plate (62) is provided with a sliding through hole (621) corresponding to the thread installation groove (611); buffering universal wheel (7) are fixed in spacing section of thick bamboo (72) at universal wheel (71) top including universal wheel (71) and body coupling, slip cap is established in spacing section of thick bamboo (72) and is installed dead lever (73), the top lateral wall surface of dead lever (73) is opened and is had the external screw thread with screw thread mounting groove (611) screw-thread fit, the top of dead lever (73) is fixed in screw thread mounting groove (611) through threaded connection, the cover is equipped with spring (74) on dead lever (73), the top of spring (74) compresses tightly with the bottom surface of spacing fixed roof (61) and meets, the bottom compresses tightly with the top of spacing section of thick bamboo (72) and meets.
4. A portable air vortex spinning machine protection fixing device according to claim 3 characterized in that the limiting cylinder (72) outer diameter is equal to the aperture of the sliding through hole (621).
5. The conveniently-moved air vortex spinning machine protection fixing device is characterized in that two limiting grooves (721) are oppositely formed in the side wall of the limiting cylinder (72), two clamping blocks (731) which are respectively matched with the limiting grooves (721) are integrally connected and fixed to the side wall of the bottom end of the fixing rod (73), and the clamping blocks (731) can slide in the limiting grooves (721).
6. The conveniently-moved air vortex spinning machine protection fixing device is characterized in that the length of the clamping block (731) is 5-5.5 times of the length of the limiting groove (721).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810902812.3A CN108716033B (en) | 2018-08-09 | 2018-08-09 | Air vortex spinning machine protection fixing device convenient to remove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810902812.3A CN108716033B (en) | 2018-08-09 | 2018-08-09 | Air vortex spinning machine protection fixing device convenient to remove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108716033A CN108716033A (en) | 2018-10-30 |
| CN108716033B true CN108716033B (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810902812.3A Expired - Fee Related CN108716033B (en) | 2018-08-09 | 2018-08-09 | Air vortex spinning machine protection fixing device convenient to remove |
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| CN (1) | CN108716033B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013134048A1 (en) * | 2012-02-29 | 2013-09-12 | Challen Sullivan | Replacement cartridge filter with pleated filter media and method of adhering a filter material for same |
| CN102674162A (en) * | 2012-05-28 | 2012-09-19 | 山东电力集团公司潍坊供电公司 | Special lifting device for pneumatic mechanism of circuit breaker |
| CN203976248U (en) * | 2014-07-16 | 2014-12-03 | 国家电网公司 | Traveller gantry |
| US9456938B2 (en) * | 2014-11-11 | 2016-10-04 | Ferno-Washington, Inc. | Powered ambulance cot with an automated cot control system |
| CN204981009U (en) * | 2015-09-21 | 2016-01-20 | 上海航空机械有限公司 | Quick swing jack |
| CN106629091A (en) * | 2016-05-05 | 2017-05-10 | 襄阳忠良工程机械有限责任公司 | Telescopic belt conveying two-way loading/unloading machine |
| US10441483B2 (en) * | 2016-07-20 | 2019-10-15 | Stryker Corporation | Emergency patient motion system |
| CN107638253A (en) * | 2016-07-20 | 2018-01-30 | 北京航空航天大学 | A kind of mechanical system of multifunctional motor-driven bath chair |
| CN206523158U (en) * | 2017-03-10 | 2017-09-26 | 商丘工学院 | A kind of civil engineering surveying instrument support |
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| CN108716033A (en) | 2018-10-30 |
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Effective date of registration: 20200325 Address after: Bengbu City, Anhui province 233000 District Huai River Road No. 369 Applicant after: BENGBU HUILI TEXTILE Co.,Ltd. Address before: 231699 Hefei, Feidong, Anhui Feidong County town, South Ring Road, Switzerland garden, South Gate East B1B2 Shop No. 106 Applicant before: HEFEI WUFAN ENGINEERING DESIGN Co.,Ltd. |
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Granted publication date: 20200421 |