CN111453557A - Compact mooring cable take-up and pay-off winch - Google Patents
Compact mooring cable take-up and pay-off winch Download PDFInfo
- Publication number
- CN111453557A CN111453557A CN201910622792.9A CN201910622792A CN111453557A CN 111453557 A CN111453557 A CN 111453557A CN 201910622792 A CN201910622792 A CN 201910622792A CN 111453557 A CN111453557 A CN 111453557A
- Authority
- CN
- China
- Prior art keywords
- winch
- mooring cable
- mooring
- motor
- pay
- 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.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims abstract description 60
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 241000239290 Araneae Species 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F3/00—Ground installations specially adapted for captive aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4402—Guiding arrangements to control paying-out and re-storing of the material
- B65H75/4405—Traversing devices; means for orderly arranging the material on the drum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4481—Arrangements or adaptations for driving the reel or the material
- B65H75/4486—Electric motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
The invention provides a compact mooring cable take-up and pay-off winch, which can greatly reduce the external volume and the whole weight of the take-up and pay-off winch by rearranging the structure of the compact mooring cable take-up and pay-off winch. The method specifically comprises the following steps: a driving motor and an electromagnetic clutch are arranged in a mooring cable winding roller; the power output shaft of the motor is respectively connected with the transmission support piece and the rotating shaft through an electromagnetic clutch, and the rotating shaft is sleeved with the photoelectric slip ring, penetrates out of the mooring cable winding drum and is supported on the winch bracket through a bearing; when the electromagnetic clutch is combined, the power of the motor is transmitted to the rotating shaft and is transmitted to the mooring cable winding roller through the transmission supporting piece, and therefore the winding and unwinding of the cable are achieved. Due to the simplified structure, the manufacturing and maintenance cost can be obviously reduced, and the maneuverability and the reliability of equipment using the winch are improved.
Description
Technical Field
The invention relates to a winch, in particular to a compact mooring cable take-up and pay-off winch, and belongs to the field of manufacture of mooring equipment.
Background
At present, in the field of mooring equipment manufacturing and flying, as an important component of the mooring equipment, the structure of a mooring cable take-up and pay-off winch is shown in fig. 1 and comprises: the mooring cable winding drum 1, the transmission mechanism 2, the winding displacement assembly 3, the motor 4, the electromagnetic clutch 5, the shafting fixing support 6, the winch connecting base 7 and the like are large in size and heavy, so that the maneuverability of the whole mooring equipment is remarkably reduced, the application range of the equipment is seriously influenced, and the mooring cable winding drum is particularly limited in the fields of military affairs, disaster relief and the like.
Disclosure of Invention
In view of the above: the invention provides a compact mooring cable take-up and pay-off winch, which is characterized in that the volume and the weight of the traditional take-up and pay-off winch are greatly reduced by improving the structure of the traditional take-up and pay-off winch, and the maneuverability of mooring equipment using the winch can be effectively improved.
The compact mooring line take-up and pay-off winch comprises: the device comprises a mooring cable winding drum, a winding displacement assembly, a winch bracket, a transmission support piece, a motor and an electromagnetic clutch, wherein the transmission support piece, the motor and the electromagnetic clutch are positioned inside the mooring cable winding drum; the mooring cable is wound on the mooring cable winding drum;
the transmission support piece is fixedly connected with the mooring cable winding drum;
the motor is arranged inside the mooring cable winding drum through a motor fixing cylinder, and the motor fixing cylinder extends out of the mooring cable winding drum and then is supported on the winch bracket; the mooring cable take-up and pay-off winch is supported on the ground or an installation platform through the winch bracket;
the power output shaft of the motor is respectively connected with the transmission support piece and the rotating shaft through the electromagnetic clutch, and the rotating shaft is sleeved with the photoelectric slip ring and then penetrates out of the mooring cable winding drum and is supported on the winch bracket through a bearing; when the electromagnetic clutch is combined, the power of the motor is transmitted to the rotating shaft and is transmitted to the mooring cable winding roller through the transmission support piece;
the winding displacement assembly is supported on the winch support, and a mooring cable passes through a winding displacement hole in the winding displacement assembly and then is connected with mooring equipment.
As a preferred aspect of the present invention, the transmission support is a spider drum transmission support, including: the center sleeve is axially arranged along the mooring cable winding roller, and the transmission support rod is arranged on the outer circumference of the center sleeve and radially arranged along the mooring cable winding roller;
the end parts of the transmission supporting rods are fixedly connected with the inner wall of the mooring cable winding roller respectively;
the driving end of the electromagnetic clutch is in butt joint with the power output shaft of the motor, and the driven end of the electromagnetic clutch is fixedly connected with the rotating shaft through the central sleeve.
Has the advantages that:
according to the mooring cable take-up and pay-off winch, the internal space of the mooring cable winding drum is reasonably utilized, and components such as the driving motor and the electromagnetic clutch are arranged in the original idle mooring cable winding drum, so that the overall size and weight of the mooring cable take-up and pay-off winch can be greatly reduced; meanwhile, due to the fact that the structure is simplified, manufacturing and maintenance costs are obviously reduced, and the maneuverability and the reliability of the mooring equipment are improved. The use limitation of scenes with high requirements on portability and mobility, such as military affairs and disaster relief fields, is effectively relieved.
Drawings
FIG. 1 is a schematic view of a conventional typical mooring line take-up and pay-off winch configuration;
FIGS. 2 and 3 are schematic views of the mooring line take-up and pay-off winch of the present invention
Wherein: 1-mooring cable winding drum; 2-a transmission mechanism; 3-a flat cable assembly; 4-a motor; 5-an electromagnetic clutch; 6-shafting fixing support; 7-winch connecting base; 8-a cross-spoke drum drive support; 9-motor fixing cylinder; 10-winch support; 11-motor fixing partition board; 13-a rotating shaft; 14-photoelectric slip ring
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The embodiment provides a compact mooring cable take-up and pay-off winch for mooring equipment, which improves the structure of the traditional take-up and pay-off winch, for example, components such as a driving motor, an electromagnetic clutch and the like are arranged in the internal space of an original idle mooring cable winding roller, and meanwhile, a belt transmission mechanism, a shafting support, a panel, a housing, a winch connected base and the like which are related to the driving motor and the electromagnetic clutch are omitted or simplified, so that the external volume and the whole weight of the take-up and pay-off winch are greatly reduced, and the structure of the take-up and pay-off winch.
The structure of the mooring line take-up and pay-off winch is shown in fig. 2 and 3, and comprises: mooring cable winding drum 1, winding displacement assembly 3, spider spoke type drum transmission support member 8, motor 4, electromagnetic clutch 5 and winch support 10.
The connection relationship is as follows: the mooring cable winding drum 1 is of a hollow cylindrical structure with openings at two ends, and the mooring cable is wound on the mooring cable winding drum 1; set up a spider spoke formula cylinder transmission support piece 8 in mooring line wire winding cylinder 1, spider spoke formula cylinder transmission support piece 8 includes: the device comprises a central sleeve arranged along the axial direction of the mooring cable winding roller 1 and transmission support rods arranged on the outer circumference of the sleeve and distributed in a cross shape along the radial direction of the mooring cable winding roller 1; the four end parts of the transmission support rod are fixedly connected with the inner wall of the mooring cable winding drum 1 respectively; the central sleeve of the spider-type roller transmission support member 8 is fixedly connected with the rotating shaft 13.
Two ends of the wire arranging component 3 are respectively supported on support plates at two ends of the winch support 10, and the mooring cable passes through a wire arranging hole in the wire arranging component and then is connected with the mooring unmanned aerial vehicle; the cable assembly 3 is used for orderly laying of mooring cables on the mooring cable drum 1. The structure of the cable assembly 3 is the same as that of a conventional mooring cable take-up and pay-off winch (the cable assembly 3 shown in fig. 1), and comprises: the wire arranging device comprises a wire arranging transmission unit, a wire arranging lead screw and a wire arranging polish rod. The axis of the cable winding screw is parallel to the axis of the mooring cable winding drum 1. The winding displacement transmission unit is used for driving a winding displacement screw rod to rotate, and is a transmission mechanism which is in transmission with the rotating shaft 13 through a toothed belt (or a gear), such as a transmission mechanism 2 shown in fig. 1, and belongs to constant-proportion linkage. The wire arranging seat is matched with the wire arranging lead screw through a threaded hole on the wire arranging seat to form a lead screw nut pair, and the rotation of the wire arranging lead screw is converted into the linear motion of the wire arranging seat along the axis of the wire arranging lead screw. The mooring cable passes through the cable hole on the cable arranging seat and then is wound on the mooring cable winding drum 1. In order to prevent the lead screw wire arranging seat from being blocked due to bearing of larger lateral tension, a wire arranging polished rod which is parallel to the axial direction of a wire arranging lead screw is arranged as a guide rail, and a linear guide rail is adopted to assist wire arranging. The method specifically comprises the following steps: the wire arranging seat is provided with a unthreaded hole parallel to the axis of the threaded hole and used for being sleeved on a wire arranging polished rod, and the wire arranging polished rod plays a guiding role in linear motion of the wire arranging seat.
In the scheme, the motor fixing seat is of a cylindrical structure, namely a motor fixing cylinder 9 shown in fig. 2 and 3; the motor fixing cylinder 9 is coaxially arranged inside the mooring cable winding drum 1, and one end of the motor fixing cylinder is fixed on a support plate at one side of the winch support 10; a motor fixing partition plate 11 is arranged in the motor fixing cylinder 9, and the motor 4 is fixed on the motor fixing partition plate 11; the driving end of the electromagnetic clutch 5 is butted with a power output shaft of the motor 4, the driven end is arranged in a central sleeve of the spider radial roller transmission support member 8 and is fixedly connected with the central sleeve, the central sleeve is fixedly connected with a rotating shaft 13, and the rotating shaft 13 is supported on a support plate at the other side of the winch support 10 through a bearing after being sleeved with a photoelectric slip ring 14; when the electromagnetic clutch 5 is combined, the power of the motor 4 can be transmitted to the spider drum transmission support 8 and the rotating shaft 13, respectively.
So far, accomplish the built-in of driving motor and electromagnetic clutch, when electromagnetic clutch 5 was in the bonding state, motor 4 rotated, alright drive mooring line wire winding drum 1 through spider spoke formula cylinder transmission support piece 8 and rotate, realized mooring line's the process of receiving and releasing.
This example provides a reduction in volume and weight of more than 40% and 50% respectively, relative to the product before modification (shown in figure 1).
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a compact mooring line take-up and pay-off winch which characterized in that: the method comprises the following steps: the device comprises a mooring cable winding drum, a winding displacement assembly, a winch bracket, a transmission support piece, a motor and an electromagnetic clutch, wherein the transmission support piece, the motor and the electromagnetic clutch are positioned inside the mooring cable winding drum; the mooring cable is wound on the mooring cable winding drum;
the transmission support piece is fixedly connected with the mooring cable winding drum;
the motor is arranged inside the mooring cable winding drum through a motor fixing cylinder, and the motor fixing cylinder extends out of the mooring cable winding drum and then is supported on the winch bracket; the mooring cable take-up and pay-off winch is supported on the ground or an installation platform through the winch bracket;
the power output shaft of the motor is respectively connected with the transmission support piece and the rotating shaft through the electromagnetic clutch, and the rotating shaft is sleeved with the photoelectric slip ring and then penetrates out of the mooring cable winding drum and is supported on the winch bracket through a bearing; when the electromagnetic clutch is combined, the power of the motor is transmitted to the rotating shaft and is transmitted to the mooring cable winding roller through the transmission support piece;
the winding displacement assembly is supported on the winch support, and a mooring cable passes through a winding displacement hole in the winding displacement assembly and then is connected with mooring equipment.
2. The compact mooring line pay-off and take-up winch of claim 1, wherein the drive support is a spider drum drive support comprising: the center sleeve is axially arranged along the mooring cable winding roller, and the transmission support rod is arranged on the outer circumference of the center sleeve and radially arranged along the mooring cable winding roller;
the end parts of the transmission supporting rods are fixedly connected with the inner wall of the mooring cable winding roller respectively;
the driving end of the electromagnetic clutch is in butt joint with the power output shaft of the motor, and the driven end of the electromagnetic clutch is fixedly connected with the rotating shaft through the central sleeve.
3. The compact mooring line reeling and unreeling winch according to claim 1 or 2, wherein the winch frame comprises support plates arranged at two axial ends of the mooring line winding drum and more than two cross beams axially parallel to the mooring line winding drum for connecting the two support plates, the motor fixing cylinder is fixed on the support plate at one side of the winch frame, and the rotating shaft is supported on the support plate at the other side of the winch frame through a bearing.
4. The compact mooring line take-up and pay-off winch according to claim 1 or 2, wherein a motor fixing partition is arranged inside the motor fixing cylinder, and the motor is fixed on the motor fixing partition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910622792.9A CN111453557A (en) | 2019-07-11 | 2019-07-11 | Compact mooring cable take-up and pay-off winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910622792.9A CN111453557A (en) | 2019-07-11 | 2019-07-11 | Compact mooring cable take-up and pay-off winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111453557A true CN111453557A (en) | 2020-07-28 |
Family
ID=71674407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910622792.9A Pending CN111453557A (en) | 2019-07-11 | 2019-07-11 | Compact mooring cable take-up and pay-off winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111453557A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158683A (en) * | 2020-09-29 | 2021-01-01 | 西安应用光学研究所 | Automatic winding and unwinding device and method for photoelectric composite cable of miniaturized mooring unmanned aerial vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4389645A (en) * | 1980-09-08 | 1983-06-21 | Schlumberger Technology Corporation | Well logging fiber optic communication system |
| CN102733856A (en) * | 2012-07-20 | 2012-10-17 | 张宝龙 | Automatic inspection system for inclined drift adhesive tape transportation |
| CN108249231A (en) * | 2016-12-28 | 2018-07-06 | 北京卓翼智能科技有限公司 | It is tethered at the change torque cable winding apparatus of unmanned plane and its folding and unfolding cable method |
| CN109573746A (en) * | 2018-11-19 | 2019-04-05 | 石家庄云鼎科技有限公司 | One kind being tethered at hawser retractable equipment built in unmanned plane power unit |
| CN210457030U (en) * | 2019-07-11 | 2020-05-05 | 北京理工大学 | Compact mooring cable take-up and pay-off winch |
-
2019
- 2019-07-11 CN CN201910622792.9A patent/CN111453557A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4389645A (en) * | 1980-09-08 | 1983-06-21 | Schlumberger Technology Corporation | Well logging fiber optic communication system |
| CN102733856A (en) * | 2012-07-20 | 2012-10-17 | 张宝龙 | Automatic inspection system for inclined drift adhesive tape transportation |
| CN108249231A (en) * | 2016-12-28 | 2018-07-06 | 北京卓翼智能科技有限公司 | It is tethered at the change torque cable winding apparatus of unmanned plane and its folding and unfolding cable method |
| CN109573746A (en) * | 2018-11-19 | 2019-04-05 | 石家庄云鼎科技有限公司 | One kind being tethered at hawser retractable equipment built in unmanned plane power unit |
| CN210457030U (en) * | 2019-07-11 | 2020-05-05 | 北京理工大学 | Compact mooring cable take-up and pay-off winch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158683A (en) * | 2020-09-29 | 2021-01-01 | 西安应用光学研究所 | Automatic winding and unwinding device and method for photoelectric composite cable of miniaturized mooring unmanned aerial vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109109017B (en) | Automatic wire arranging and winding mechanism for rope traction robot | |
| CN213923608U (en) | Cable winding and unwinding mechanism of shipborne mooring unmanned aerial vehicle | |
| CN210457030U (en) | Compact mooring cable take-up and pay-off winch | |
| CN100368278C (en) | Compact type hydraulic winder | |
| CN113562536B (en) | Cable arranging equipment for subway broadcasting system | |
| CN111453557A (en) | Compact mooring cable take-up and pay-off winch | |
| CN210710176U (en) | Photoelectric signal transmission system based on electric slip ring and mooring cable take-up and pay-off winch with same | |
| CN111498583B (en) | Double-row multi-head copper foil tape winding device | |
| CN109773397B (en) | Welding positioner for steel reinforcement cage | |
| CN111453556A (en) | Swing type outgoing line bending-resistant connecting mechanism and mooring cable take-up and pay-off winch based on same | |
| CN210457029U (en) | Swing type outgoing line bending-resistant connecting mechanism and mooring cable take-up and pay-off winch based on same | |
| GB2589123A (en) | Reeling/lifting device | |
| CN215159822U (en) | Constant tension stable uninterrupted paying-off equipment for power transmission | |
| CN213201974U (en) | One-way resistance portable operation terminal spool | |
| CN211545569U (en) | Cable winding and unwinding devices for communication engineering | |
| CN112279022A (en) | Photoelectric signal transmission system based on electric slip ring and mooring cable take-up and pay-off winch with same | |
| CN213387172U (en) | Special electric cable loading and unloading device for geophysical logging | |
| CN111285278B (en) | Double-layer roller winch for multi-cable-diameter dragging array cable | |
| CN204896897U (en) | Roll up steel winding wheel | |
| CN221165323U (en) | Winder with meshing reset part | |
| CN109019327B (en) | Lifting mechanism of crane for variable frequency control | |
| CN203486627U (en) | Constant force mechanism | |
| US10640345B2 (en) | Sealed rescue hoist drum bellow system | |
| CN114955914B (en) | Lifting mechanism for lifting system of airborne suspension device | |
| CN214298641U (en) | Cable coiling device |
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 |