CN201459700U - Self-elevating engineering platform and locking device thereof - Google Patents

Self-elevating engineering platform and locking device thereof Download PDF

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Publication number
CN201459700U
CN201459700U CN2009200750426U CN200920075042U CN201459700U CN 201459700 U CN201459700 U CN 201459700U CN 2009200750426 U CN2009200750426 U CN 2009200750426U CN 200920075042 U CN200920075042 U CN 200920075042U CN 201459700 U CN201459700 U CN 201459700U
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CN
China
Prior art keywords
locking
tooth piece
voussoir
lift type
engineering platform
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.)
Expired - Lifetime
Application number
CN2009200750426U
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Chinese (zh)
Inventor
王赟
吴富生
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Shanghai Zhenghua Heavy Industries Co Ltd
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Shanghai Zhenghua Heavy Industries Co Ltd
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Priority to CN2009200750426U priority Critical patent/CN201459700U/en
Application granted granted Critical
Publication of CN201459700U publication Critical patent/CN201459700U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a self-elevating engineering platform and a locking device thereof, which can ensure that teeth on pile leg racks are stressed evenly. The locking device comprises a locking tooth block and pile leg racks, two sides of the locking tooth block are respectively wedged and positioned by wedge blocks after the locking tooth block and the pile leg racks are meshed, and the wedge blocks are used for eliminating the relative error caused by accumulating tooth pitch errors among all pile leg racks on the same pile leg.

Description

Self lift type engineering platform and locking device thereof
Technical field
The utility model relates to self lift type engineering platform and the locking device thereof that a kind of operation on the sea is used.
Background technology
The jack-up unit system has been used for the marine energy sources exploitation and has produced the various mobile ocean engineering ships of needs.The chief component of jack-up unit comprises the spud leg of working platform, support platform, the power set of control workbench lifting and the locking device behind the working platform location.Platform has three or more spud legs to support usually, and every pile leg all is equipped with longitudinal rack, and with the pinion of transmission, platform is a power source with hydraulic pressure or motor.During work spud leg is inserted the seabed, platform is located after rising to off sea trouble free service height.Pinion will be subjected to the active force of the environmental load of platform deadweight, service load, storm and wave generation this moment, for pinion is freed from above-mentioned load, strengthen the strength and stiffness of platform and spud leg junction simultaneously, improve safety and reliability, safe and reliable pile leg locking device need be set.
Existing pile leg locking device generally comprises a locking tooth piece with four teeth, the locking tooth piece that five or six teeth are also arranged, because the existence of accumulated pitch error, inevitably cause locking tooth piece and spud leg tooth bar well not to mate, this will cause certain tooth stress to concentrate, and can not reach to make evenly stressed purpose of each tooth.In addition, the fastening system that has need keep power support to lock the engagement of tooth piece and spud leg tooth bar, is breakneck under the situation that contingency runs out of steam like this.
The utility model content
The purpose of this utility model is to provide a kind of self lift type engineering platform and locking device thereof, and it can guarantee that the tooth on the spud leg tooth bar is stressed evenly.
For realizing described purpose, self lift type engineering platform locking device of the present utility model, comprise locking tooth piece and spud leg tooth bar, be characterized in, after locking tooth piece and the engagement of spud leg tooth bar, the both sides of locking tooth piece are respectively by voussoir wedging location, and described voussoir is in order to eliminate with the relative error that is caused by the accumulated pitch error between each spud leg tooth bar on the pile leg.
Described self lift type engineering platform locking device, its further characteristics be, described locking wedge block is connected with the worm and gear jacking device, and described locking tooth piece is connected with drawback cylinder.
Described self lift type engineering platform locking device, its further characteristics are, the number of described locking tooth piece is two, and divide into locking tooth piece and lock the tooth piece down, the number of described voussoir is three, and divide into locking wedge block, last adjustment voussoir and the following voussoir of adjusting, the locking wedge block wedging is locked the downside of tooth piece and is descended to lock between the upside of tooth piece on relative, on the upside of last adjustment voussoir wedging locking tooth piece on relative and the support frame between the inboard, adjust the voussoir wedging down between the following inboard of the downside of relative following locking tooth piece and this support frame, described adjustment voussoir is used to adjust the relative spud leg tooth bar of described locking tooth piece to be regulated in spud leg tooth bar direction.
Described self lift type engineering platform locking device, its further characteristics be, described locking wedge block, on adjust voussoir and adjust down voussoir respectively correspondingly with middle worm and gear jacking device, go up the worm and gear jacking device and be connected with following worm and gear jacking device.
Described self lift type engineering platform locking device, its further characteristics are that the described locking tooth piece of going up correspondingly is connected with following drawback cylinder with last drawback cylinder respectively with following locking tooth piece.
Described self lift type engineering platform locking device, its further characteristics are that described worm and gear jacking device provides power by hydraulic motor.
Self lift type engineering platform of the present utility model is characterized in, comprises aforesaid self lift type engineering platform locking device.
Self lift type engineering platform of the present utility model and locking device thereof can be in order to eliminate with the relative error that is caused by the accumulated pitch error between each spud leg tooth bar on the pile leg by adjusting locking wedge block; Simple in structure, easy to operate; Locking is reliable, finish locking after, no longer be essential, safe to the demand of power; In its preferable enforcement side, complete and the spud leg tooth bar engagement of locking tooth piece energy, adjust voussoir between locking tooth piece and support frame, by regulating the position of adjusting voussoir, the relative spud leg tooth bar of locking tooth piece is regulated in the tooth bar direction, to eliminate with the relative error that causes by the accumulated pitch error between each tooth bar on the pile leg, locking wedge block is positioned at, under lock between the tooth piece, play the effect of power transmission, each worm and gear will be locked tooth piece and locking wedge block respectively and is subjected to power and pass on the support frame, locking device can adopt on one or more pairs of spud legs that are configured in platform, therefore the utility model has overcome the shortcoming and defect on the prior art, finish engagement with the spud leg tooth bar by two relatively independent locking tooth pieces that respectively have two teeth, influence with pitch error has been reduced to two teeth like this, thereby has eliminated the possibility that stress is concentrated.Because worm and gear has self-locking performance, platform safety is locked on the spud leg reliably and no longer needs the power support, and also simple in structure, easy to operate.
Description of drawings
Fig. 1 is the structural representation of locking device of the present utility model.
The specific embodiment
Locking device of the present utility model is by shown in Figure 1, it is mainly by locking tooth piece 1 (on lock the tooth piece), locking tooth piece 14 (locking tooth piece down), adjust voussoir 2 (on adjust voussoir), adjust voussoir 13 (adjusting voussoir down), support frame 3, last worm and gear jacking device 4, hydraulic motor 5,7,11, drawback cylinder 6,10, middle worm and gear jacking device 8, locking wedge block 9, following worm and gear jacking device 12, spud leg tooth bar 15 and the hydraulic power station (not shown) composition that the hydraulic pressure energy is provided.The number of teeth of locking tooth piece 1 and locking tooth piece 14 is 2.
Hydraulic power station provides the hydraulic pressure can be to each hydraulic actuator, and for example drawback cylinder 6,10, hydraulic motor 5,7,11.Each parts of locking device are supported by support frame 3.Drawback cylinder 6 is connected with locking tooth piece 1, drawback cylinder 10 with lock tooth piece 14 and be connected, drawback cylinder 6,10 drives wedge shape under the effect of the hydraulic power that hydraulic power station provides locking tooth piece 1,14 is with the engagement of spud leg tooth bar 15 or separate.
Last worm and gear jacking device 4, middle worm and gear jacking device 8, following worm and gear jacking device 12 are connected with adjustment voussoir 2,13, locking wedge block 9 respectively.Hydraulic motor 5,7,11 is used for driving worm and gear jacking device 4, middle worm and gear jacking device 8, the adjustment of worm and gear jacking device 12, and then drive down voussoir 2,13, locking wedge block 9 respectively.
Locking gear 1,14, adjustment voussoir 2,13, locking wedge block 9 are wedge shape, as shown in Figure 1, when being in locking state, locking wedge block 9 wedgings are between the upside of the downside of relative locking tooth piece 1 and locking tooth piece 14, adjust voussoir 2 wedgings on the upside of relative locking tooth piece 1 and the support frame 3 between the inboard, adjust voussoir 13 wedgings between the following inboard of the downside of relative locking tooth piece 14 and support frame 3, adjust voussoir 2,13 and can adjust locking tooth piece 1,14 relative spud leg tooth bars 15 vertically regulating at spud leg tooth bar 15.
The course of work of locking device of the present utility model comprises locking process and release process, now is respectively described below.
The locking process: the first step drives drawback cylinder 10, makes locking tooth piece 14 and 15 engagements of spud leg tooth bar; Second step drove drawback cylinder 6, made locking tooth piece 1 and 15 engagements of spud leg tooth bar; The 3rd step was utilized worm and gear jacking device 8 in hydraulic motor 7 drivings, and two inclined-planes of locking wedge block 9 are closely cooperated with locking tooth piece 1 and locking tooth piece 14 respectively; The 4th step utilized hydraulic motor 11 and hydraulic motor 5 to drive worm and gear jacking device 12 and last worm and gear jacking device 4 down respectively, finished locking.
Release process: first step driving is gone up worm and gear jacking device 4 and is withdrawed from; Worm and gear jacking device 8 withdrawed from during second step drove; The 3rd step drove locking tooth piece 1 and withdraws from; The 4th step drove down, and worm and gear jacking device 12 withdraws from; The 5th step drove locking tooth piece 14 and withdraws from, and finished and unclamped.

Claims (9)

1. self lift type engineering platform locking device, comprise locking tooth piece and spud leg tooth bar, it is characterized in that, after locking tooth piece and the engagement of spud leg tooth bar, the both sides of locking tooth piece are respectively by voussoir wedging location, and described voussoir is in order to eliminate with the relative error that is caused by the accumulated pitch error between each spud leg tooth bar on the pile leg.
2. self lift type engineering platform locking device as claimed in claim 1, it is characterized in that, the number of described locking tooth piece is two, and divide into locking tooth piece and lock the tooth piece down, the number of described voussoir is three, and divide into locking wedge block, last adjustment voussoir and the following voussoir of adjusting, the locking wedge block wedging is locked the downside of tooth piece and is descended to lock between the upside of tooth piece on relative, on the upside of last adjustment voussoir wedging locking tooth piece on relative and the support frame between the inboard, adjust the voussoir wedging down between the following inboard of the downside of relative following locking tooth piece and this support frame, described adjustment voussoir is used to adjust the relative spud leg tooth bar of described locking tooth piece to be regulated in spud leg tooth bar direction.
3. self lift type engineering platform locking device as claimed in claim 2 is characterized in that, described locking wedge block, on adjust voussoir and adjust down voussoir respectively correspondingly with middle worm and gear jacking device, go up the worm and gear jacking device and be connected with following worm and gear jacking device.
4. self lift type engineering platform locking device as claimed in claim 2 is characterized in that, the described locking tooth piece of going up correspondingly is connected with following drawback cylinder with last drawback cylinder respectively with following locking tooth piece.
5. self lift type engineering platform locking device as claimed in claim 1 is characterized in that described locking wedge block is connected with the worm and gear jacking device, and described locking tooth piece is connected with drawback cylinder.
6. self lift type engineering platform locking device as claimed in claim 3 is characterized in that described worm and gear jacking device provides power by hydraulic motor.
7. self lift type engineering platform locking device as claimed in claim 5 is characterized in that described worm and gear jacking device provides power by hydraulic motor.
8. self lift type engineering platform locking device as claimed in claim 1 is characterized in that the number of teeth of described tooth piece is 2.
9. a self lift type engineering platform is characterized in that, comprises as the described self lift type engineering platform of each claim locking device in the claim 1 to 8.
CN2009200750426U 2009-07-22 2009-07-22 Self-elevating engineering platform and locking device thereof Expired - Lifetime CN201459700U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200750426U CN201459700U (en) 2009-07-22 2009-07-22 Self-elevating engineering platform and locking device thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200750426U CN201459700U (en) 2009-07-22 2009-07-22 Self-elevating engineering platform and locking device thereof

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CN201459700U true CN201459700U (en) 2010-05-12

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101871208A (en) * 2010-06-01 2010-10-27 崔峰 Locking device with double spherical hinge bearing structure for pile legs of self-elevating drilling platform
CN102011386A (en) * 2010-06-05 2011-04-13 常州液压成套设备厂有限公司 Lifting pull-plug pin system of self-installed production platform
CN102758426A (en) * 2011-04-28 2012-10-31 四川宏华石油设备有限公司 Locking device of lifting platform
CN102912778A (en) * 2011-08-05 2013-02-06 四川宏华石油设备有限公司 Locking device and hydraulic control system thereof
CN103183109A (en) * 2011-12-30 2013-07-03 上海振华重工(集团)股份有限公司 Ocean wind power mounting platform
CN103352454A (en) * 2013-07-10 2013-10-16 上海大学 Pile leg locking mechanism of self-elevating type ocean platform lifting system
CN105064310A (en) * 2015-07-03 2015-11-18 武汉船用机械有限责任公司 Locking mechanism of rack-and-pinion lifting system
CN105099338A (en) * 2015-08-21 2015-11-25 衢州市衢江区置华机械设备有限公司 Longitudinally-limited solar energy power supply device
CN105141219A (en) * 2015-08-21 2015-12-09 温岭锦鹏日用品有限公司 Solar energy power supply device having vibration reduction function
CN105141221A (en) * 2015-08-21 2015-12-09 方新刚 Mobile power supply device
CN105151222A (en) * 2015-09-21 2015-12-16 上海振华重工集团(南通)有限公司 Self-elevating type lifting platform installing technology
CN105186603A (en) * 2015-08-21 2015-12-23 绍兴市柯桥辅堂进出口有限公司 Power supply device with heat dissipation performances being good and power being supplied by solar energy
CN107089623A (en) * 2017-04-27 2017-08-25 武汉船用机械有限责任公司 A kind of retaining mechanism of gear rack lifting system
CN112593539A (en) * 2020-12-23 2021-04-02 上海振华重工启东海洋工程股份有限公司 Split type locking device and installation method thereof

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101871208A (en) * 2010-06-01 2010-10-27 崔峰 Locking device with double spherical hinge bearing structure for pile legs of self-elevating drilling platform
CN102011386A (en) * 2010-06-05 2011-04-13 常州液压成套设备厂有限公司 Lifting pull-plug pin system of self-installed production platform
CN102758426A (en) * 2011-04-28 2012-10-31 四川宏华石油设备有限公司 Locking device of lifting platform
CN102758426B (en) * 2011-04-28 2015-08-26 四川宏华石油设备有限公司 The locking device of elevating platform
CN102912778A (en) * 2011-08-05 2013-02-06 四川宏华石油设备有限公司 Locking device and hydraulic control system thereof
CN102912778B (en) * 2011-08-05 2014-11-12 四川宏华石油设备有限公司 Locking device and hydraulic control system thereof
CN103183109A (en) * 2011-12-30 2013-07-03 上海振华重工(集团)股份有限公司 Ocean wind power mounting platform
CN103352454A (en) * 2013-07-10 2013-10-16 上海大学 Pile leg locking mechanism of self-elevating type ocean platform lifting system
CN105064310A (en) * 2015-07-03 2015-11-18 武汉船用机械有限责任公司 Locking mechanism of rack-and-pinion lifting system
CN105099338A (en) * 2015-08-21 2015-11-25 衢州市衢江区置华机械设备有限公司 Longitudinally-limited solar energy power supply device
CN105141219A (en) * 2015-08-21 2015-12-09 温岭锦鹏日用品有限公司 Solar energy power supply device having vibration reduction function
CN105141221A (en) * 2015-08-21 2015-12-09 方新刚 Mobile power supply device
CN105186603A (en) * 2015-08-21 2015-12-23 绍兴市柯桥辅堂进出口有限公司 Power supply device with heat dissipation performances being good and power being supplied by solar energy
CN105151222A (en) * 2015-09-21 2015-12-16 上海振华重工集团(南通)有限公司 Self-elevating type lifting platform installing technology
CN105151222B (en) * 2015-09-21 2017-06-23 南通振华重型装备制造有限公司 A kind of jack up lifting platform mounting process
CN107089623A (en) * 2017-04-27 2017-08-25 武汉船用机械有限责任公司 A kind of retaining mechanism of gear rack lifting system
CN107089623B (en) * 2017-04-27 2019-04-02 武汉船用机械有限责任公司 A kind of retaining mechanism of gear rack lifting system
CN112593539A (en) * 2020-12-23 2021-04-02 上海振华重工启东海洋工程股份有限公司 Split type locking device and installation method thereof

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Legal Events

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C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Nantong Zhenhua Heavy Equipment Manufacturing Co., Ltd.

Assignor: Shanghai Zhenhua Heavy Industries (Group) Co., Ltd.

Contract record no.: 2011320000327

Denomination of utility model: Self-elevating engineering platform and locking device thereof

Granted publication date: 20100512

License type: Common License

Record date: 20110318

EE01 Entry into force of recordation of patent licensing contract

Assignee: Shanghai Zhenhua Heavy Industry Group (Nantong) Transmission Machinery Co.,Ltd.

Assignor: Shanghai Zhenhua Heavy Industries (Group) Co., Ltd.

Contract record no.: 2012320000327

Denomination of utility model: Self-elevating engineering platform and locking device thereof

Granted publication date: 20100512

License type: Common License

Record date: 20120328

EE01 Entry into force of recordation of patent licensing contract

Assignee: Shanghai Zhenhua Heavy Industry Group (Nantong) Co., Ltd.

Assignor: Shanghai Zhenhua Heavy Industries (Group) Co., Ltd.

Contract record no.: 2012320000539

Denomination of utility model: Self-elevating engineering platform and locking device thereof

Granted publication date: 20100512

License type: Common License

Record date: 20120425

CX01 Expiry of patent term

Granted publication date: 20100512

CX01 Expiry of patent term