CN114275636A - External hanging type shore power cable winding and unwinding device - Google Patents

External hanging type shore power cable winding and unwinding device Download PDF

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Publication number
CN114275636A
CN114275636A CN202111532438.0A CN202111532438A CN114275636A CN 114275636 A CN114275636 A CN 114275636A CN 202111532438 A CN202111532438 A CN 202111532438A CN 114275636 A CN114275636 A CN 114275636A
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China
Prior art keywords
cable
wheel set
traction wheel
hung
externally
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Granted
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CN202111532438.0A
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Chinese (zh)
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CN114275636B (en
Inventor
袁松
余文杰
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Shanghai Jiangnan Changxing Shipbuilding Co Ltd
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Shanghai Jiangnan Changxing Shipbuilding Co Ltd
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Priority to CN202111532438.0A priority Critical patent/CN114275636B/en
Publication of CN114275636A publication Critical patent/CN114275636A/en
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Publication of CN114275636B publication Critical patent/CN114275636B/en
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Abstract

The invention relates to an externally-hung shore power cable winding and unwinding device which structurally comprises a shell, a first cable traction wheel set and a second cable traction wheel set, wherein the first cable traction wheel set and the second cable traction wheel set are arranged in the shell; a first space and a second space for accommodating cables are arranged at the bottom of the shell corresponding to the first cable traction wheel set and the second cable traction wheel set; one side of the shell is also provided with a hook. The externally-hung shore power cable take-up and pay-off device can be arranged on one side of a ship body, does not occupy the space above a deck, and does not need to be moved frequently; can draw the wheelset through first cable and make to withdraw the both ends of cable with second cable traction wheelset, the cable both ends withdraw mutually not influencing.

Description

External hanging type shore power cable winding and unwinding device
Technical Field
The invention relates to the field of marine cable equipment, in particular to an externally-hung shore power cable winding and unwinding device.
Background
Boats and ships need a large amount of outside electric energy to carry out the power supply to boats and ships when fitting out, but because adjustment boats and ships berth that can not stop in the construction link, planking paint operation etc. need often to remove shore connection cable route, remove the in-process and probably cause the cable to damage, and because factors such as the weight of cable, construction environment exist, cause and need a large amount of manpower and materials in the construction.
Prior art is as application number CN202022693335. X's utility model discloses an outer hanging bank electricity cable winding and unwinding devices, the on-line screen storage device comprises a base, the base top is equipped with the box, the inside middle part level of box has set firmly the baffle, the baffle separates box inside for cavity one and cavity two, be equipped with the winding mechanism of rolling cable in the cavity one, the box outside is equipped with drive winding mechanism pivoted manual mechanism, the bottom is equipped with wiring unit ware module in the cavity two, cable and wiring unit ware module pass through the connector lug electricity and connect, be equipped with the louvre on the two both sides walls of cavity, the two inner wall upper portion levels of cavity set firmly the both sides of backup pad louvre and are equipped with shutoff mechanism, be equipped with the light that is located wiring unit ware module both sides in the cavity two, cavity one and two sides of cavity all articulate there is sealing door.
The cable is wound on the same winding shaft, and when the cable is in use, the terminal connector lug is pulled out to be connected with the ship, and then the cable starting terminal connector lug is pulled out to be connected with the wiring element module; when the cable is withdrawn, the cable starting end connector lug is fixed on the turntable, then the rocker is cranked to roll the cable, and then the cable tail end is fixed on the turntable.
Disclosure of Invention
In order to solve the technical problem, the invention provides an externally-hung shore power cable winding and unwinding device which can be installed on the outer side of a ship body, does not occupy the space of a deck, and does not affect the storage and the pulling of two ends of a cable.
The technical purpose of the invention is realized by the following technical scheme:
an externally-hung shore power cable winding and unwinding device structurally comprises a shell, a first cable traction wheel set and a second cable traction wheel set, wherein the first cable traction wheel set and the second cable traction wheel set are installed in the shell, cables are wound on the first cable traction wheel set and the second cable traction wheel set, the middle parts of the cables are fixed in the shell, and two ends of each cable are wound around the first cable traction wheel set and the second cable traction wheel set respectively; the shell is provided with outlets for leading two ends of a cable out of the shell, and the bottom of the shell is provided with a first space and a second space for accommodating the cable corresponding to the first cable traction wheel set and the second cable traction wheel set; one side of the shell is also provided with a hook.
Further, the casing includes mounting bracket, installation baffle, and a plurality of parallel arrangement's installation baffle is vertical to be installed in the mounting bracket, and first cable traction wheelset and second cable traction wheelset set up between two installation baffles.
Furthermore, an elastic back cushion is arranged at a position, close to the bottom, of one side of the shell, and the elastic back cushion and the hook are fixed on the mounting frame; the elastic back cushion and the hook are positioned on the same side of the mounting frame; the hook is positioned above the elastic back cushion.
Furthermore, the first cable traction wheel set and the second cable traction wheel set respectively comprise a power winch and a cable guide wheel, and one side of the power winch is provided with a power device for driving the power winch to rotate; the cable guide wheel can rotate freely.
Furthermore, the cable guide wheel comprises a first guide wheel for increasing friction between the cable and the power winch and a second guide wheel for changing the direction of the cable, the cable sequentially bypasses one second guide wheel from the middle fixing position, then bypasses one power winch and then bypasses two first guide wheels in a Z shape, the first space is positioned below the second guide wheel of the first cable traction wheel set, and the second space is positioned below the second guide wheel of the second cable traction guide wheel.
Furthermore, the limiting rod is arranged in the shell, the middle of the cable is fixed on the limiting rod, a limiting hole used for the limiting rod to move is formed in the outer side of the limiting rod, the limiting hole is inclined, the limiting rod is located at the bottom of the limiting hole, a limiting switch is further arranged at the bottom of the limiting hole, and the limiting rod is in contact with the limiting switch when located at the bottom of the limiting hole.
Furthermore, the upper end of the shell is also provided with a hanging ring.
Furthermore, a plurality of cable grooves are respectively formed in the power winch and the cable guide wheel, the cable grooves in the power winch correspond to the cable grooves in the cable guide wheel, and each cable groove corresponds to one cable.
Further, the first space and the second space are separated by a partition plate, the upper end of the partition plate is hinged between the installation partition plates, and the bottom of the partition plate is temporarily fixed at the bottom of the shell.
Compared with the prior art, the invention has the beneficial effects that:
1. the externally-hung shore power cable take-up and pay-off device can be arranged on one side of a ship body, does not occupy the space above a deck, and does not need to be moved frequently;
2. the externally-hung shore power cable take-up and pay-off device enables the two ends of a cable to be retracted through the first cable traction wheel set and the second cable traction wheel set, and the retraction of the two ends of the cable is not mutually influenced;
3. the externally-hung shore power cable winding and unwinding device can respectively pull out two ends of a cable, and is more convenient to use compared with the cable wound on a roller.
Drawings
Fig. 1 is a schematic structural diagram of an externally-hung shore power cable winding and unwinding device in the invention.
Fig. 2 is a schematic cable winding diagram of the externally-hung shore power cable reeling and unreeling device.
Fig. 3 is a schematic view of the installation of the stop lever according to the present invention.
In the figure, 1, a cable; 2. a first space; 3. a second space; 4. hooking; 5. a hoisting ring; 6. a mounting frame; 7. installing a partition plate; 8. an elastic back cushion; 9. a power winch; 10. a power winch; 11. a power plant; 12. a first guide wheel; 13. a first guide wheel; 14. a second guide wheel; 15. a second guide wheel; 16. a baffle plate; 17. a limiting rod; 18. a limiting hole; 19. a limit switch; 20. a control device; 21. a separator.
Detailed Description
The technical solution of the present invention is further described below with reference to specific embodiments:
an externally-hung shore power cable winding and unwinding device is shown in figures 1-3 and comprises a shell, a first cable traction wheel set and a second cable traction wheel set, wherein the first cable traction wheel set and the second cable traction wheel set are arranged in the shell, a cable 1 is wound on the first cable traction wheel set and the second cable traction wheel set, the middle part of the cable 1 is fixed in the shell, two ends of the cable respectively wind the first cable traction wheel set and the second cable traction wheel set, and the shell is provided with an outlet for leading two ends of the cable out of the shell; a first space 2 and a second space 3 for accommodating cables are arranged at the bottom of the shell corresponding to the first cable traction wheel set and the second cable traction wheel set; one side of the shell is also provided with a hook 4. The upper end of the shell is also provided with a hanging ring 5, and the externally-hung shore power cable winding and unwinding device is hung to the side board through the hanging ring during use.
When the cable drawing device is used, one end of the cable 1 is drawn out to be connected to a shore, the other end of the cable 1 is drawn out to be connected to a ship, when the cable is drawn back, the drawn end is drawn back to the first space 2 through the first cable drawing wheel set, and the other end of the cable is drawn back to the second space 3 through the second cable drawing wheel set.
Specifically, the casing includes mounting bracket 6, installation baffle 7, and a plurality of parallel arrangement's installation baffle 7 is vertical to be installed in mounting bracket 6, and first cable traction wheel group and second cable traction wheel group set up between two installation baffles 7. An elastic back cushion 8 is also arranged at a position close to the bottom of one side of the shell, and the elastic back cushion 8 and the hook 4 are both fixed on the mounting frame 6; the elastic back cushion 8 and the hook 4 are positioned on the same side of the mounting frame 6; the hook 4 is positioned above the elastic back cushion 8. The externally-hung shore power cable winding and unwinding device is hung at a deck rabbet of a shipboard through a hook 4, an elastic back cushion 8 is attached to a shipboard outer plate of the ship body, and the elastic back cushion is a rubber cushion. And a sealing plate can be arranged outside the mounting frame 6, so that an outlet for leading out the cable is reserved.
The first cable traction wheel set and the second cable traction wheel set respectively comprise a power winch 9(10) and a cable guide wheel, one side of the power winch 9(10) is provided with a power device 11 for driving the power winch to rotate, and the power device is a motor; the cable guide wheel can rotate freely. The cable guide wheel specifically comprises a first guide wheel 12(13) for increasing friction between the cable and the power winch and a second guide wheel 14(15) for changing the direction of the cable, wherein the cable sequentially bypasses one second guide wheel from a middle fixing position, then bypasses one power winch and then bypasses two first guide wheels in a Z shape, the first space 2 is positioned below the second guide wheel 14 of the first cable traction wheel set, and the second space 3 is positioned below the second guide wheel 15 of the second cable traction guide wheel. The power capstan and the cable guide wheel are respectively provided with a plurality of cable grooves, the cable grooves of the power capstan correspond to the cable grooves of the cable guide wheel, each cable groove corresponds to one cable, and a plurality of cables are simultaneously wound and unwound during use.
Be equipped with gag lever post 17 in the casing, the cable middle part is fixed on gag lever post 17, and the outside of gag lever post 17 is equipped with the spacing hole 18 that is used for the gag lever post to remove, and spacing hole 18 slope sets up, and gag lever post 17 is located the bottom of spacing hole 18, and the bottom of spacing hole 18 still is equipped with limit switch 19, and gag lever post 17 contacts with limit switch 19 when being located spacing hole 18 bottom. In this embodiment, the limiting holes are formed in the mounting partition plates, each mounting partition plate is provided with one limiting hole, and the limiting rod 17 penetrates through all the limiting holes 18 simultaneously.
In this embodiment, the first cable traction sheave group is disposed below the second cable traction sheave group; two first guide wheels 12 and one second guide wheel 14 of the first cable traction wheel set are arranged at two sides below a power winch 9 of the first cable traction wheel set, a baffle 16 is arranged between the second guide wheel 14 and the two first guide wheels 12, and the first guide wheels 12 and the second guide wheels 14 are separated by the baffle 16, so that a cable drawn and retracted by the first cable traction wheel set can only enter the first space 2 after passing through the second guide wheels 14; the second guide wheel 15 of the second cable traction wheel set is positioned below the power winch 10, and the two first guide wheels 13 of the second cable traction wheel set are positioned above the power winch 10; the second guide wheel 15 of the second cable traction wheel set and the second guide wheel 14 of the first cable traction wheel set are respectively positioned at two sides of the limiting rod 17, and a baffle 16 is also arranged at the position above the limiting rod 17 to separate the second guide wheel 15 of the second cable traction wheel set from the second guide wheel 14 of the first cable traction wheel set. When the cable is retracted, the power winch 9 or the power winch 10 pulls the cable through friction between the cable and the cable, after the cable is pulled into the shell and passes through the second guide wheel 14 or the second guide wheel 15, the cable falls into the corresponding first space 2 or second space 3 under the influence of gravity.
When any end of the cable is completely pulled out, the cable can pull the limiting rod 17 to move along the limiting hole 18, the limiting rod 17 leaves the limiting switch 19, and the limiting switch 19 is triggered; a control device 20 is arranged in the shell, a signal is provided for the control device 20 after the limit switch 19 is triggered, and the control device 20 controls to stop the outward stretching of the cable. If the limit switch 19 is separated from the limit rod 7, the limit switch 19 controls power failure, and the power failure stops after the equipment for pulling the cable outwards is powered off.
In order to adjust the size of the first space 2 and the second space 3, the first space 2 and the second space 3 are separated by a partition plate 21, the upper end of the partition plate 21 is hinged and installed between the installation partition plates 7, the bottom of the partition plate 21 is temporarily fixed at the bottom of the shell, such as through a clamping hook and a hook, a plurality of fixing positions are arranged at the bottom of the shell, the bottom of the partition plate is connected at different fixing positions to adjust the angle, the size adjustment of the first space and the second space is realized by changing the angle of the partition plate, and the first space and the second space are not required to be separated hermetically.
The present invention is further explained and not limited by the embodiments, and those skilled in the art can make various modifications as necessary after reading the present specification, but all the embodiments are protected by the patent law within the scope of the claims.

Claims (9)

1. An externally-hung shore power cable winding and unwinding device is characterized by comprising a shell, a first cable traction wheel set and a second cable traction wheel set, wherein the first cable traction wheel set and the second cable traction wheel set are installed in the shell; a first space and a second space for accommodating cables are arranged at the bottom of the shell corresponding to the first cable traction wheel set and the second cable traction wheel set; one side of the shell is also provided with a hook.
2. The externally-hung shore power cable reel installation according to claim 1, wherein the housing comprises a mounting frame and mounting partitions, a plurality of parallel mounting partitions are vertically mounted in the mounting frame, and the first cable traction wheel set and the second cable traction wheel set are arranged between the two mounting partitions.
3. The externally-hung shore power cable reel as claimed in claim 1, wherein an elastic cushion is further provided at a position near the bottom of one side of the housing, and the elastic cushion and the hook are fixed to the mounting frame; the elastic back cushion and the hook are positioned on the same side of the mounting frame; the hook is positioned above the elastic back cushion.
4. The externally-hung shore power cable reel device according to claim 2, wherein the first cable traction wheel set and the second cable traction wheel set each comprise a power winch and a cable guide wheel, and one side of the power winch is provided with a power device for driving the power winch to rotate; the cable guide wheel can rotate freely.
5. The externally-hung shore power cable reeling and unreeling device as claimed in claim 4, wherein the cable guide wheels comprise first guide wheels for increasing friction between the cable and the power winch and second guide wheels for changing the direction of the cable, the cable sequentially passes through one second guide wheel from a middle fixing position, then passes through one power winch and then passes through two first guide wheels in a Z shape, the first space is located below the second guide wheels of the first cable traction wheel set, and the second space is located below the second guide wheels of the second cable traction guide wheels.
6. The externally-hung shore power cable reel device according to claim 1, wherein a limiting rod is arranged in the housing, the middle part of the cable is fixed on the limiting rod, a limiting hole for the limiting rod to move is arranged on the outer side of the limiting rod, the limiting hole is arranged in an inclined manner, the limiting rod is located at the bottom of the limiting hole, a limiting switch is further arranged at the bottom of the limiting hole, and the limiting rod is in contact with the limiting switch when located at the bottom of the limiting hole.
7. An externally-hung shore power cable reel as claimed in any one of claims 1 to 6, wherein the upper end of the housing is further provided with a hanging ring.
8. The externally-hung shore power cable reel device as claimed in claim 4, wherein the power winch and the cable guide wheel are respectively provided with a plurality of cable grooves, the cable grooves of the power winch correspond to the cable grooves of the cable guide wheel, and each cable groove corresponds to one cable.
9. The externally-hung shore power cable reel as claimed in claim 1, wherein the first space and the second space are separated by a partition, the upper end of the partition is hinged between the installation partitions, and the bottom of the partition is temporarily fixed on the bottom of the housing.
CN202111532438.0A 2021-12-15 2021-12-15 Externally hung shore power cable winding and unwinding device Active CN114275636B (en)

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Application Number Priority Date Filing Date Title
CN202111532438.0A CN114275636B (en) 2021-12-15 2021-12-15 Externally hung shore power cable winding and unwinding device

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Application Number Priority Date Filing Date Title
CN202111532438.0A CN114275636B (en) 2021-12-15 2021-12-15 Externally hung shore power cable winding and unwinding device

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CN114275636B CN114275636B (en) 2024-02-23

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Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB981526A (en) * 1961-10-18 1965-01-27 Nautec Corp Cable winch
US4417703A (en) * 1981-11-19 1983-11-29 Weinhold Dennis G Quick retrieve cord reel
US6484958B1 (en) * 2001-11-20 2002-11-26 Dowslake Microsystems Corporation Patch cord caddy
JP3118583U (en) * 2005-11-14 2006-02-02 桂賢 黄 Button multi-position positioning type unidirectional cord reel
DE202007009601U1 (en) * 2007-07-05 2007-12-27 Beyer, Horst, Dr.-Ing. Heat contact system for optimal processing of shrink tubing
CN101606049A (en) * 2006-05-26 2009-12-16 罗斯蒙德公司 Remote seal installation improvements
US20130115006A1 (en) * 2010-07-12 2013-05-09 Octio As System for subsea cable installation
CN203488842U (en) * 2013-08-19 2014-03-19 上海江南长兴造船有限责任公司 Device for recovering kinetic energy pipeline during ship undocking
JP2016152698A (en) * 2015-02-18 2016-08-22 住友電気工業株式会社 Cable lifting device and cable laying method
CN108217346A (en) * 2018-02-08 2018-06-29 中船船舶重工(泰兴)有限公司 Hawser draw off gear
CN209161142U (en) * 2018-11-14 2019-07-26 中国建筑第二工程局有限公司 Portable wire barrow
CN110098580A (en) * 2019-06-03 2019-08-06 上海江南长兴造船有限责任公司 A kind of cable drawing coating apparatus
CN110980447A (en) * 2019-11-04 2020-04-10 中国电子科技集团公司第十四研究所 Cable is laid fast and is removed receipts device
US20200255257A1 (en) * 2019-02-08 2020-08-13 Tesmec S.P.A. Cable recovery machine
CN211655582U (en) * 2020-04-21 2020-10-09 李保君 Offshore platform cable laying equipment
CN112398071A (en) * 2020-11-02 2021-02-23 中船黄埔文冲船舶有限公司 Shore power cable hook tool
CN213461005U (en) * 2020-11-19 2021-06-15 中交一航局安装工程有限公司 Shore power junction box for ship
CN214243317U (en) * 2021-01-26 2021-09-21 江苏新扬子造船有限公司 System structure with single cable winch and two side boards

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB981526A (en) * 1961-10-18 1965-01-27 Nautec Corp Cable winch
US4417703A (en) * 1981-11-19 1983-11-29 Weinhold Dennis G Quick retrieve cord reel
US6484958B1 (en) * 2001-11-20 2002-11-26 Dowslake Microsystems Corporation Patch cord caddy
JP3118583U (en) * 2005-11-14 2006-02-02 桂賢 黄 Button multi-position positioning type unidirectional cord reel
CN101606049A (en) * 2006-05-26 2009-12-16 罗斯蒙德公司 Remote seal installation improvements
DE202007009601U1 (en) * 2007-07-05 2007-12-27 Beyer, Horst, Dr.-Ing. Heat contact system for optimal processing of shrink tubing
US20130115006A1 (en) * 2010-07-12 2013-05-09 Octio As System for subsea cable installation
CN203488842U (en) * 2013-08-19 2014-03-19 上海江南长兴造船有限责任公司 Device for recovering kinetic energy pipeline during ship undocking
JP2016152698A (en) * 2015-02-18 2016-08-22 住友電気工業株式会社 Cable lifting device and cable laying method
CN108217346A (en) * 2018-02-08 2018-06-29 中船船舶重工(泰兴)有限公司 Hawser draw off gear
CN209161142U (en) * 2018-11-14 2019-07-26 中国建筑第二工程局有限公司 Portable wire barrow
US20200255257A1 (en) * 2019-02-08 2020-08-13 Tesmec S.P.A. Cable recovery machine
CN110098580A (en) * 2019-06-03 2019-08-06 上海江南长兴造船有限责任公司 A kind of cable drawing coating apparatus
CN110980447A (en) * 2019-11-04 2020-04-10 中国电子科技集团公司第十四研究所 Cable is laid fast and is removed receipts device
CN211655582U (en) * 2020-04-21 2020-10-09 李保君 Offshore platform cable laying equipment
CN112398071A (en) * 2020-11-02 2021-02-23 中船黄埔文冲船舶有限公司 Shore power cable hook tool
CN213461005U (en) * 2020-11-19 2021-06-15 中交一航局安装工程有限公司 Shore power junction box for ship
CN214243317U (en) * 2021-01-26 2021-09-21 江苏新扬子造船有限公司 System structure with single cable winch and two side boards

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
刘善斌;吴天裕;: "船载式AMP电缆卷车控制管理系统研究", 船电技术, no. 11, pages 62 - 66 *
林河平;张明;杨邦清;曾明;杨海鹏;: "一种基于张力控制实现电缆收放的绞车", 水雷战与舰船防护, no. 04, pages 38 - 40 *

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