CN204167808U - A kind of extra large cable drawing head - Google Patents
A kind of extra large cable drawing head Download PDFInfo
- Publication number
- CN204167808U CN204167808U CN201420650992.8U CN201420650992U CN204167808U CN 204167808 U CN204167808 U CN 204167808U CN 201420650992 U CN201420650992 U CN 201420650992U CN 204167808 U CN204167808 U CN 204167808U
- Authority
- CN
- China
- Prior art keywords
- tapered sleeve
- extra large
- large cable
- centre bore
- drawing head
- 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.)
- Withdrawn - After Issue
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses a kind of extra large cable drawing head, comprise front tapered sleeve and rear tapered sleeve, front tapered sleeve and rear tapered sleeve are pyramidal structure, in rear tapered sleeve, center is provided with centre bore, run through in centre bore and have extra large cable, centre bore outer end adaptation is connected with locking nut, and rear tapered sleeve end is also provided with installation base, armouring wire in the cable of sea extends to installation base surface and uses screw rod to be fixed, and is provided with inner cone between armouring wire and centre bore; Front tapered sleeve inwall is provided with step, one of them step has been threaded connection pallet, and the end face adaptation of pallet is connected with chuck, and chuck adaptation is connected with one end of pull bar, the other end of pull bar extends to the outside of described front tapered sleeve, and the end that pull bar extends to described front tapered sleeve outside is provided with pulling eye.The utility model lays in process can lock along with the increase of tractive effort at extra large cable, improves the traction upper limit; Three seals mechanism design simultaneously, completely isolated seawater enters drawing head inner passage, realizes the excellent sealing in extra large cable end portion.
Description
Technical field
The utility model relates to a kind of submarine cable operation that is applied to and lays and pull draw-gear in process, and particularly one is applicable to extra large cable through extra large pipe upper mounting plate drawing head device.
Background technology
Sea cable is as the important medium of transmitting energy and information, at sea use in a large number in oil platform system, sea cable is when laying, particularly through in extra large pipe upper mounting plate process, need, in extra large cable end portion, a pulling draw-gear is installed, for fixed traction steel wire rope, because podium level is high, the weight of cable is large, if head traction device and the cable of sea cable are fixed not tight, easily cause extra large cable slippage, cable head needs to carry out encapsulation process simultaneously, prevent cable from intaking, and extra large cable can reverse in a stretched state, if fruit does not have back-twist device, cable can twist off, these problems all can cause serious economic loss.Usually traction net is adopted to add back twist device as extra large cable end portion draw-gear at present for addressing these problems, on extra large cable end portion cover, PVC pyrocondensation cap carries out encapsulation process simultaneously, but Traction networks is enclosed within work progress and easily weares and teares, security reliability is lower, and being not suitable for the too small or excessive situation of extra large cable diameter, PVC pyrocondensation cap intensity is low simultaneously, also easily weares and teares, long-time immersion is easily leaked in the seawater, therefore needs a kind of reliable extra large cable end portion draw-gear.
Utility model content
Utility model object: the purpose of this utility model is to solve deficiency of the prior art, provides that a kind of reliability is high, water sealing property good and the extra large cable drawing head that structure is simple, easy for installation.
Technical scheme: the extra large cable drawing head of one described in the utility model, comprise front tapered sleeve and rear tapered sleeve, described front tapered sleeve and rear tapered sleeve are threaded connection and are fixed by rotation stopping screw, described front tapered sleeve and rear tapered sleeve are pyramidal structure, in described rear tapered sleeve, center is provided with centre bore, run through in described centre bore and have extra large cable, described centre bore outer end adaptation is connected with locking nut, described rear tapered sleeve end is also provided with installation base, armouring wire in described extra large cable extends to described installation base surface and uses screw rod to be fixed, also inner cone is provided with between described armouring wire and described centre bore, described inner cone outer surface is pyramidal structure, inside arranges centre bore, the inner surface of described inner cone conical outer surface and the built-in reverse taper hole of installation base cooperatively interacts and presses armouring wire, described front tapered sleeve inwall is provided with some steps, one of them step has been threaded connection pallet, the end face adaptation of described pallet is connected with chuck, described chuck adaptation is connected with one end of the pull bar of rotary movable, the other end of described pull bar extends to the outside of described front tapered sleeve, and the end that described pull bar extends to described front tapered sleeve outside is provided with pulling eye.
As optimization, between described locking nut and described centre bore, be provided with rubber ring.
As optimization, the outer surface hoop of described front tapered sleeve and rear tapered sleeve is evenly provided with auxiliary pilot hole.
As optimization, between described screw rod and described armouring wire, be also provided with pressing plate.
As optimization, described installation base surface, pallet and chuck contact-making surface are equipped with rectangular recess, are provided with O type circle in described rectangular recess.
As optimization, the conical surface of described front tapered sleeve is provided with screwed hole, and described screwed hole inside is conducting to the surface of described chuck, is provided with plug in described screwed hole.
Beneficial effect: interior tapered armouring wire locking mechanism designs by the utility model, lay in process can lock along with the increase of tractive effort at cable, improve the traction upper limit, three seals mechanism design simultaneously, completely isolated seawater enters drawing head inner passage, realize the excellent sealing in extra large cable end portion, the back twist function carried, prevent cable from beating in work progress and turn round.
Accompanying drawing explanation
Fig. 1 is structural front view of the present utility model.
Fig. 2 is structure cutaway view of the present utility model.
Embodiment
One sea cable drawing head as depicted in figs. 1 and 2, comprises rear tapered sleeve 1, front tapered sleeve 2, pull bar 3, pressing plate 4, inner cone 5, pallet 6, locking nut 7, rubber ring 8, O type circle the 9, a two O type circle 10, plug 11, screw rod 12, rotation stopping screw 13, extra large cable 14, armouring wire 15.Rear tapered sleeve 1 trailing exterior surface is pyramidal structure, and the built-in centre bore 16 of end, is used for wearing cable 14, and centre bore 16 inwall inner segment is smooth and arrange ring-shaped step 17, and ring-shaped step 17 is for putting to rubber ring 8, and the outer section of centre bore 16 inwall arranges internal thread.Rear tapered sleeve 1 arranges installation base 18, the built-in reverse taper hole 19 of installation base 18, installation base 18 end face annular spread screwed hole 20, periphery, installation base 18 end-face helical hole 20 is provided with rectangular channel 21, install an O type circle 9 in rectangular channel 21, installation base 18 outer surface arranges external screw thread, and hoop evenly arranges screwed hole 22, installation base 18 root arranges step 23, and step 23 outer surface hoop evenly arranges auxiliary pilot hole 24.
Front tapered sleeve 2 inside arranges 5 road stepped holes, stepped hole 1 inner surface arranges internal thread, on hole wall, annular is uniformly distributed stepped hole 26, front tapered sleeve 2 is coordinated with rear tapered sleeve 1 installation base 18 outer surface external screw thread by stepped hole 1 inner surface internal thread and realizes being connected, and utilize rotation stopping screw 13 to carry out only filling fixing, stepped hole 3 27 inner surface arranges internal thread, stepped hole 3 27 interior step 28 is provided with rectangular recess 29, rectangular recess 29 installs the 2nd O type circle 10, front tapered sleeve 2 outer surface annular is evenly provided with auxiliary pilot hole 30, front tapered sleeve 2 head is pyramidal structure, the conical surface is provided with screwed hole 31, screwed hole 31 and the conducting of front tapered sleeve 2 internal stepped bore 4 32, plug 11 is installed in screwed hole 32.
Pull bar 3 afterbody arranges chuck 33, and chuck 33 can be stuck in front tapered sleeve 2 internal stepped bore 4 32, and pull bar 3 head is provided with pulling eye 39.Inner cone 5 outer surface is pyramidal structure, inside arranges centre bore, and inner cone 5 conical outer surface and rear tapered sleeve 1 installation base 18 reverse taper hole 19 inner surface cooperatively interact and press armouring wire 15, and the surperficial annular of pressing plate 4 is uniformly distributed through hole 34, utilize screw rod 12 locking pressure plate 4, pressing plate 4 compresses inner cone 5.Pallet 6 outer cylinder 35 arranges external screw thread, this external screw thread and front tapered sleeve 2 internal stepped bore 3 27 inner surface screw-internal thread fit are installed, pallet 6 outer face 36 and front tapered sleeve 2 internal stepped bore 3 27 interior step 28 cooperatively interact, press the 2nd O type circle 10, realize sealing, locking nut 7 inside arranges centre bore 37, outer surface arranges external screw thread, head is hexagonal structure, locking nut 7 by outer surface external screw thread with after overlap 1 distal center hole 16 inwall internal thread most and realize being connected, press rubber ring 8.
Operation principle and the installation method of this structure are as follows:
First cable 14 head oversheath is removed, expose one section of armouring wire 15, locking nut 7, rubber ring 8, rear tapered sleeve 1 is set on cable successively, reverse taper hole 19 inner surface of armouring wire 15 along rear tapered sleeve 1 installation base 18 is broken into two with one's hands and be uniformly distributed, inner cone 5 is installed again, reverse taper hole 19 inner surface of inner cone 5 conical outer surface and rear tapered sleeve 1 installation base 18 cooperatively interacts and compresses armouring wire 15, pressing plate 4 is installed below, and utilizing bolt 12 locking pressure plate 4, pressing plate 4 compresses steel wire further, thus realizes fixation with steel wire.Install rubber ring 8, rubber ring 8 is filled in rear tapered sleeve 1 distal center hole 16 innermost end, install locking nut 7, locking nut 7 extrudes rubber ring 8, rubber ring 8 is expanded, thus realizes the sealing between cable 14 and rear tapered sleeve 1.
Secondly assembling drawing head first half, first pull bar 3 is filled in rear tapered sleeve 2 inner, pull bar 3 afterbody chuck 33 is mounted to front tapered sleeve 2 internal stepped bore 32 position, in rectangular recess 29, the 2nd O type circle 10 is installed, tray 6 again, pallet 6 outer face 36 and front tapered sleeve 2 internal stepped bore 3 27 interior step 28 cooperatively interact, press the 2nd O type circle 10, realize sealing, the assembling of drawing head first half is complete, in rectangular recess 21, an O type circle 9 is installed below, again the drawing head first half assembled is realized being connected with outside rear tapered sleeve 1 installation base 18 by rear tapered sleeve 2 internal stepped bore 1 inner surface internal thread, and utilize rotation stopping screw 13, carry out only dress fixing.
Rear tapered sleeve 1 installation base 18 end face and front tapered sleeve internal stepped bore 1 interior step 38 cooperatively interact, and extruding the one O type circle realizes sealing.Drawing head integral installation is complete, finally by screwed hole 31 tapered sleeve 2 stepped hole 4 32 injection lubricant grease forward, reduces the friction between pull bar 3 and front tapered sleeve 2, is convenient to pull bar 3 and rotates, easily realize cable 14 and laying the back twist in process.
Interior tapered armouring wire locking mechanism designs by the utility model, lay in process can lock along with the increase of tractive effort at cable, improve the traction upper limit, three seals mechanism design simultaneously, completely isolated seawater enters drawing head inner passage, realize the excellent sealing in extra large cable end portion, the back twist function carried, prevent cable from beating in work progress and turn round.
Claims (6)
1. an extra large cable drawing head, comprise front tapered sleeve and rear tapered sleeve, described front tapered sleeve and rear tapered sleeve are threaded connection and are fixed by rotation stopping screw, it is characterized in that: described front tapered sleeve and rear tapered sleeve are pyramidal structure, in described rear tapered sleeve, center is provided with centre bore, run through in described centre bore and have extra large cable, described centre bore outer end adaptation is connected with locking nut, described rear tapered sleeve end is also provided with installation base, armouring wire in described extra large cable extends to described installation base surface and uses screw rod to be fixed, also inner cone is provided with between described armouring wire and described centre bore, described inner cone outer surface is pyramidal structure, inside arranges centre bore, the inner surface of described inner cone conical outer surface and the built-in reverse taper hole of installation base cooperatively interacts and presses armouring wire, described front tapered sleeve inwall is provided with some steps, one of them step has been threaded connection pallet, the end face adaptation of described pallet is connected with chuck, described chuck adaptation is connected with one end of the pull bar of rotary movable, the other end of described pull bar extends to the outside of described front tapered sleeve, and the end that described pull bar extends to described front tapered sleeve outside is provided with pulling eye.
2. the extra large cable drawing head of one according to claim 1, is characterized in that: be provided with rubber ring between described locking nut and described centre bore.
3. the extra large cable drawing head of one according to claim 1, is characterized in that: the outer surface hoop of described front tapered sleeve and rear tapered sleeve is evenly provided with auxiliary pilot hole.
4. the extra large cable drawing head of one according to claim 1, is characterized in that: be also provided with pressing plate between described screw rod and described armouring wire.
5. the extra large cable drawing head of one according to claim 1, is characterized in that: described installation base surface, pallet and chuck contact-making surface are equipped with rectangular recess, are provided with O type circle in described rectangular recess.
6. the extra large cable drawing head of one according to claim 1, is characterized in that: the conical surface of described front tapered sleeve is provided with screwed hole, and described screwed hole inside is conducting to the surface of described chuck, is provided with plug in described screwed hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420650992.8U CN204167808U (en) | 2014-11-04 | 2014-11-04 | A kind of extra large cable drawing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420650992.8U CN204167808U (en) | 2014-11-04 | 2014-11-04 | A kind of extra large cable drawing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204167808U true CN204167808U (en) | 2015-02-18 |
Family
ID=52541459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420650992.8U Withdrawn - After Issue CN204167808U (en) | 2014-11-04 | 2014-11-04 | A kind of extra large cable drawing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204167808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914663A (en) * | 2016-07-01 | 2016-08-31 | 浙江华蕴海洋工程技术服务有限公司 | Submarine cable traction structure and mounting method thereof |
-
2014
- 2014-11-04 CN CN201420650992.8U patent/CN204167808U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914663A (en) * | 2016-07-01 | 2016-08-31 | 浙江华蕴海洋工程技术服务有限公司 | Submarine cable traction structure and mounting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160606 Address after: 226000, Jiangsu Rudong Port Economic Development Zone, foreign port business building Patentee after: Zhongtian Ocean System Co., Ltd. Address before: 226000 Nantong Province Economic and Technological Development Zone, the New South Road, No. 1, No. Patentee before: Zhongtian Technologies Submarine Optic Fiber Cable Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150218 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |