CN108189964A - The method and special tooling of ship stern baseline are determined when in shipbuilding center shafting pair - Google Patents
The method and special tooling of ship stern baseline are determined when in shipbuilding center shafting pair Download PDFInfo
- Publication number
- CN108189964A CN108189964A CN201711078247.5A CN201711078247A CN108189964A CN 108189964 A CN108189964 A CN 108189964A CN 201711078247 A CN201711078247 A CN 201711078247A CN 108189964 A CN108189964 A CN 108189964A
- Authority
- CN
- China
- Prior art keywords
- column
- ship
- baseline
- stern
- hull
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention relates to it is a kind of in shipbuilding center shafting pair when determine ship stern baseline method, this method is will be after keel amount of deflection be biased to hull the same side in hull, it can just measure, and calculate average deflection value, the average deflection value is then as the height foundation of shafting alignment；This method is related to a kind of special tooling, which is mainly made of channel steel, and material is A grade steel, and for tooling integrally between each component by being welded to connect, tooling position ground needs built-in fitting, and tooling is rigidly fixed with the welding of ground built-in fitting, formation.The method and tooling of the present invention can accurately and quickly determine the position of ship stern baseline, and the center line for shafting alignment provides height foundation, and then determines the bore hole center of stern tube, and determines main engine axis height and host epoxy thickness.
Description
Technical field
The present invention relates to shipbuildings, especially relate to provide ship stern base during a kind of shipbuilding center shafting centering
The method and special tooling of line.
Background technology
With being showing improvement or progress day by day for science and technology, the rhythm of Modern Shipbuilding is also getting faster, in order to adapt to faster and better send out
Exhibition, shortening building berth/dock construction period is how current research improves shipbuilding efficiency, promotes product and builds the main of ability
Direction.
At present, ship is in building berth or dock building course, and the lifting of host is one in building berth building course important
Node, the lifting of host mean to be segmented to have lifted below the main hull part main deck of ship-related products to terminate, and main deck with
Under, the later block assembly work of cabin antetheca terminates, and the electric welding work of primary structure is over.Ship Structure Construction State
After reaching marine main engine lifting state, the installation preparation of host is also required to complete before host is lifted, wherein main
Shafting alignment need of work complete, need to carry out centering to the shafting of Ship Structure when oblique building berth builds ship for civil use, meet essence
After degree requirement, then carry out stern tube shafting installation.Before shafting alignment work, main hull stern baseline need to be measured, taken
The centering work of shafting is carried out on the basis of stern average baselining, shafting and the host main body installation for host provide height foundation.
When oblique building berth builds ship, due to hull centerline in the past after be all disposed with and put pier, can not directly centering it is imperial
Stern baseline height is measured in the hull baseline amount of deflection of bone.It often directly measures and determines that hull center line is just not easy reality
Existing, the prior art is the rough restriction that measures, often relatively rough but also uneven and thick there are ship plank
Situation about changing is spent, measurement situation is caused to be not allowed, it is difficult to effectively determine hull center line, it is necessary to us be promoted to think that other have
The method of effect is realized.
Invention content
The purpose of the present invention overcomes the prior art that can not effectively determine the difficulty of ship stern baseline during shafting alignment, provides
It is a kind of in shipbuilding center shafting pair when determine the method and special tooling of ship stern baseline.Present invention determine that ship stern
The method and tooling of baseline can rapidly and accurately determine ship stern baseline, the center line for shafting alignment provide height according to
According to, and then determine the bore hole center of stern tube, and determine main engine axis height and host epoxy thickness.
In order to reach foregoing invention purpose, the technical solution that patent of the present invention provides is as follows：
It is a kind of in shipbuilding center shafting pair when determine ship stern baseline method, which is characterized in that this method includes
Following steps：
The first step, first takes the straight line for being parallel to hull center line certain distance A, which is in hull as offset line L
On the medial surface of outside plate, according to the stern base line measurement table of prisoner in prison, point of the respective rib position on offset line L is chosen, in institute
It makes a mark a little on the ship hull plate stated, and sample dotting punch is stamped in each mark point position；
Second step places a special tooling at the rib position where the rear end face in screw shaft of ship, which includes flat
The first column and the second column of row setting, the distance between first column and the second column are A, by the special tooling
It is rigidly fixed on building berth ground, second column is made to be on hull center line, between the first column and the second column
Line is perpendicular to hull center line；
Third walks, and laser transit is placed on offset line L, and laser transit is located at the C points of ship stern, and is carried out
Instrument put in be directed at C points, rotate the laser transit, successively on ship hull plate respectively as the sample dotting punch of mark point into
The previously-scanned confirmation of row；
4th step scans each sample dotting punch with laser transit, and with laser beam in tape measure laser transit to sample dotting punch
Each measured value is accordingly recorded in inside stern base line measurement table by the vertical range of position ship hull plate, then will
The plate thickness of each measured value and ship plank is summed, and the sum of plate thickness of measured value and ship plank is laser beam in laser transit
Actual distance value with deviating line；
The corresponding actual distance value of multiple sample dotting punches of measurement is summed and obtains average value, so as to average by this by the 5th step
It is worth the average baselining height of ship stern baseline；
The average baselining of stern is first highly refuted the first column drawn to the special tooling using laser transit by the 6th step
On, and mark this and refute and draw a point, then refuting on the first column drawn into a point level refute and draw on the second column, it is thus i.e. available
The height foundation of stern baseline.
The method that ship stern baseline is determined when the present invention is in shipbuilding center shafting pair, the offset line L and ship
The distance of body center line is equal with the distance between the first column and the second column, and the length that value A is selected is 1000mm.
It is a kind of in shipbuilding center shafting pair when determine the special tooling of ship stern baseline, which is characterized in that it is described
Special tooling structure on include the first column, the second column, transverse connection and diagonal brace, first column and second
Column is arranged in parallel, and vertical rack is equipped with the transverse connection, first column between the first column and the second column
The distance between center line of second column is A, and the diagonal brace is equipped with two, is set respectively on the first column and the second column
There is the diagonal brace described in one, the bottom of diagonal brace is set on hull ground, and two diagonal braces are in the first column and the second column institute
In the both sides in face.
Present invention determine that in the special tooling of ship stern baseline, first column, the second column, transverse connection
It is tiltedly the identical channel steel of specification.
Present invention determine that in the special tooling of ship stern baseline, first column, transverse connection, the second column
Connection mode between diagonal brace is welding.
Present invention determine that in the special tooling of ship stern baseline, the height of weld seam is 7mm when being welded to connect.
Present invention determine that in the special tooling of ship stern baseline, the fixed position of special tooling on building berth ground
Equipped with built-in fitting, it is welded to connect between the first column, the bottom of the second column and diagonal brace and built-in fitting on the special tooling.
Based on above-mentioned technical proposal, patent of the present invention achieves following technique effect in practice：
1. oblique building berth builds ship, due to hull centerline in the past after be all disposed with and put pier, can not direct centering keel
Hull baseline amount of deflection stern baseline height is measured, method of the invention and tooling are that keel amount of deflection in hull is inclined
It after putting hull the same side, can just measure, and calculate average deflection value, the average deflection value is then as shafting alignment
Height foundation.
2. providing all components in the tooling of ship stern baseline during shafting alignment of the present invention to be all welded to connect, leg is high
It spends for 7mm, installation site ground needs built-in fitting rigidly fixing for tooling and building berth ground, by welding and building berth
Face rigidly fixes, and ensures that tooling is in absolute rest state during entire shafting alignment with building berth ground with this.
Determine that the special tooling structure composition of ship stern baseline is simple when 3. the present invention is in shipbuilding center shafting pair,
It mounts and dismounts very convenient.It is easy to carry since the volume of entire tooling is little, meet mobile use during shipbuilding
Randomness.In addition, the frock making process is simple, cost of manufacture is cheap.
Description of the drawings
Fig. 1 be the present invention in shipbuilding center shafting pair when determine ship stern baseline special tooling structure composition
Front view.
Fig. 2 be the present invention in shipbuilding center shafting pair when determine ship stern baseline special tooling structure composition
Side view.
Fig. 3 be the present invention in shipbuilding center shafting pair when determine ship stern baseline special tooling use state
Figure.
Specific embodiment
Below we with reference to attached drawing and specific embodiment come to the present invention in shipbuilding center shafting pair when determine ship
The method and special tooling of oceangoing ship stern baseline are further elaborated, in the hope of providing a clearer understanding of its structure composition
Mode and workflow, but the protection domain of patent of the present invention cannot be limited with this.
The present invention be it is a kind of in shipbuilding center shafting pair when determine ship stern baseline method, this method is to determine
The indirect method of ship stern baseline when oblique building berth builds ship, is put since hull centerline is all disposed with later in the past
Pier, can not the hull baseline amounts of deflection of directly centering keel stern baseline height is measured.The method and tooling of the present invention
It is by after keel amount of deflection is biased to hull the same side in hull, can just measures, and calculate average deflection value, this is averagely scratched
Angle value is then as the height foundation of shafting alignment.
Based on foregoing invention thought, as shown in figure 3, the method for the present invention includes have the following steps：
The first step, first takes the straight line for being parallel to hull center line certain distance A, which is in hull as offset line L
On the medial surface of outside plate, according to the stern base line measurement table of prisoner in prison, point of the respective rib position on offset line L is chosen, in institute
It makes a mark a little on the ship hull plate stated, and sample dotting punch is stamped in each mark point position.
Second step places a special tooling B, special tooling B packets at the rib position where the rear end face in screw shaft of ship
The distance between the first column 1 and the second column 2 being arranged in parallel, 1 and second column 2 of the first column are included as A, by described in
Special tooling B be rigidly fixed on building berth ground, second column 2 is made to be on hull center line, 1 He of the first column
Line between second column 2 is perpendicular to hull center line.The distance and the first column 1 of the offset line L and hull center line
The distance between second column 2 is equal, and in the operating practice of certain ship type, the length that the value A of distance is selected is 1000mm.
Third walks, and laser transit D is placed on offset line L, and laser transit D is located at the C near ship stern
It at point, and carries out during instrument is put being directed at C points, rotates the laser transit D, marked successively to being respectively used as on ship hull plate
The sample dotting punch of point carries out previously-scanned confirmation；
4th step scans each sample dotting punch, and measure laser beam in laser transit with scale E and rushed to sample with laser transit D
The vertical range of eye position ship hull plate, which is accordingly recorded in inside stern base line measurement table, then
The plate thickness of each measured value and ship plank is summed, the sum of plate thickness of measured value and ship plank is laser in laser transit
The actual distance value of beam and offset line；
The corresponding actual distance value of multiple sample dotting punches of measurement is summed and obtains average value, so as to average by this by the 5th step
It is worth the average baselining height of ship stern baseline；
The average baselining of stern is first highly refuted the first column drawn to the special tooling B using laser transit D by the 6th step
It on 1, and marks this and refutes and draw a point, then refuting on the first column 1 drawn into a point level refute and draw on the second column 2, thus
Obtain the height foundation of stern baseline.
The present invention also provides it is a kind of in shipbuilding center shafting pair when determine the special tooling of ship stern baseline.Such as
Shown in Fig. 1 and Fig. 2, the first column 1, the second column 2, transverse connection 3 and diagonal brace are included in the special tooling structure
4, first column 1 and the second column 2 are arranged in parallel, and vertical rack is equipped with described between the first column 1 and the second column 2
Transverse connection 3, the distance between the center line of first column and the second column is A, and the diagonal brace 4 is equipped with two,
The diagonal brace 4 described in one is respectively equipped on the first column 1 and the second column 2, the bottom of diagonal brace 4 is set on hull ground, and
Two diagonal braces 4 are in the both sides in 2 place face of the first column 1 and the second column.
First column 1, the second column 2, transverse connection 3 and diagonal brace 4 are the identical channel steel of specification, the material of channel steel
Matter is A grades of steel.Between first column 1 and transverse connection 3, between the second column 2 and transverse connection 3, the first column 1
Connection mode between diagonal brace 4, between the second column and diagonal brace 4 is welding.It is welded to connect between the components in practice
When, the requirement for height of weld seam is 7mm.
In order to ensure stability during special tooling work, the fixed position of special tooling is equipped with pre- on building berth ground
Embedded part, using welding between the first column 1, the bottom of the second column 2 and diagonal brace 4 and built-in fitting on the special tooling
Mode connects, and the angle between the diagonal brace 4 and building berth ground is 60 °, so as to form the rigidity of special tooling and hull ground
Connection.
When the present invention is a kind of shipbuilding center shafting centering provide ship stern baseline tooling, the tooling mainly by
Channel steel is formed, and material is A grades of steel, and integrally between each component by being welded to connect, tooling position ground needs pre-buried tooling
Part, tooling are welded with ground built-in fitting, and formation rigidly fixes, and the ship present invention is mainly used for the construction of oblique building berth is in shafting alignment
When, ship stern baseline height foundation is provided, the frock making is simple, and use, installation and removal are very convenient.
Claims (7)
1. it is a kind of in shipbuilding center shafting pair when determine ship stern baseline method, which is characterized in that this method includes
It has the following steps：
The first step first takes the straight line for being parallel to hull center line certain distance A, and the straight line is as offset line（L）In ship
On the medial surface of external plate, according to the stern base line measurement table of prisoner in prison, respective rib position is chosen in offset line（L）On point,
It makes a mark a little on the ship hull plate, and sample dotting punch is stamped in each mark point position；
Second step places a special tooling at the rib position where the rear end face in screw shaft of ship, which includes flat
First column of row setting（1）With the second column（2）, first column（1）With the second column（2）The distance between for A, by institute
The special tooling stated is rigidly fixed on building berth ground, makes second column（2）On hull center line, the first column
（1）With the second column（2）Between line perpendicular to hull center line；
Third walks, and laser transit is placed on offset line（L）On, and laser transit is located at the C points of ship stern, is gone forward side by side
Row instrument put in be directed at C points, rotate the laser transit, successively on ship hull plate respectively as the sample dotting punch of mark point
Carry out previously-scanned confirmation；
4th step scans each sample dotting punch with laser transit, and with laser beam in tape measure laser transit to sample dotting punch
Each measured value is accordingly recorded in inside stern base line measurement table by the vertical range of position ship hull plate, then will
The plate thickness of each measured value and ship plank is summed, and the sum of plate thickness of measured value and ship plank is laser beam in laser transit
Actual distance value with deviating line；
The corresponding actual distance value of multiple sample dotting punches of measurement is summed and obtains average value, so as to average by this by the 5th step
It is worth the average baselining height of ship stern baseline；
The average baselining of stern is first highly refuted the first column drawn to the special tooling using laser transit by the 6th step
（1）On, and mark this and refute and draw a point, then by the first column（1）On refute to draw a point level and refute and draw to the second column（2）On, by
This can obtain the height foundation of stern baseline.
2. it is according to claim 1 in shipbuilding center shafting pair when determine ship stern baseline method, feature
It is, the offset line（L）With the distance and the first column of hull center line（1）With the second column（2）The distance between phase
It is 1000mm Deng, the value A length selected.
3. it is a kind of in shipbuilding center shafting pair when determine the special tooling of ship stern baseline, which is characterized in that it is described
Include the first column in special tooling structure（1）, the second column（2）, transverse connection（3）And diagonal brace（4）, described first
Column（1）With the second column（2）It is arranged in parallel, in the first column（1）With the second column（2）Between vertical rack be equipped with the horizontal stroke
To connector（3）, the distance between the center line of first column and the second column is A, the diagonal brace（4）Equipped with two,
In the first column（1）With the second column（2）On be respectively equipped with diagonal brace described in one（4）, diagonal brace（4）Bottom setting hull
On face, and two diagonal braces（4）It is in the first column（1）With the second column（2）The both sides in place face.
4. it is according to claim 3 it is a kind of in shipbuilding center shafting pair when determine the special tool of ship stern baseline
Dress, which is characterized in that first column（1）, the second column（2）, transverse connection（3）And diagonal brace（4）It is that specification is identical
Channel steel.
5. it is according to claim 4 it is a kind of in shipbuilding center shafting pair when determine the special tool of ship stern baseline
Dress, which is characterized in that first column（1）, transverse connection（3）, the second column（2）And diagonal brace（4）Between connection side
Formula is welding.
6. it is according to claim 5 it is a kind of in shipbuilding center shafting pair when determine the special tool of ship stern baseline
Dress, which is characterized in that the height of weld seam is 7mm when being welded to connect.
7. it is according to claim 3 it is a kind of in shipbuilding center shafting pair when determine the special tool of ship stern baseline
Dress, which is characterized in that the fixed position of special tooling is equipped with built-in fitting on building berth ground, and first is vertical on the special tooling
Column（1）, the second column（2）And diagonal brace（4）Bottom and built-in fitting between be welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711078247.5A CN108189964B (en) | 2017-11-06 | 2017-11-06 | Method for determining ship stern baseline during shafting centering in ship construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711078247.5A CN108189964B (en) | 2017-11-06 | 2017-11-06 | Method for determining ship stern baseline during shafting centering in ship construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108189964A true CN108189964A (en) | 2018-06-22 |
| CN108189964B CN108189964B (en) | 2020-04-10 |
Family
ID=62572846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711078247.5A Active CN108189964B (en) | 2017-11-06 | 2017-11-06 | Method for determining ship stern baseline during shafting centering in ship construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108189964B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110789681A (en) * | 2019-11-15 | 2020-02-14 | 武昌船舶重工集团有限公司 | Foldable support, support assembly and ship shafting centering method |
| CN110789682A (en) * | 2019-11-14 | 2020-02-14 | 武昌船舶重工集团有限公司 | Method for positioning central line of propulsion shaft system |
| CN110877703A (en) * | 2019-11-07 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Frock of boats and ships containment system anchor band steel auxiliary installation |
| CN112171592A (en) * | 2020-09-04 | 2021-01-05 | 中船黄埔文冲船舶有限公司 | Ship shafting positioning device |
| CN113954044A (en) * | 2021-11-19 | 2022-01-21 | 沪东中华造船(集团)有限公司 | Surveying and marking method for line extension line in hull centerline cabin |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201633876U (en) * | 2010-03-29 | 2010-11-17 | 浙江金港船业股份有限公司 | Ship shafting alignment temporary adjusting supporting device |
| KR20130003097A (en) * | 2011-06-30 | 2013-01-09 | 현대중공업 주식회사 | Shaft mounting structure |
| KR20140059879A (en) * | 2012-11-08 | 2014-05-19 | 대우조선해양 주식회사 | Turnbuckle device for fastening pipe and method for turn over using the same |
| CN204771269U (en) * | 2015-05-29 | 2015-11-18 | 沪东中华造船(集团)有限公司 | A special bed -jig for making boats and ships forecastle bulwark |
| CN105479412A (en) * | 2015-12-24 | 2016-04-13 | 广船国际有限公司 | Rudder blade mounting fixture |
| CN106114756A (en) * | 2016-08-18 | 2016-11-16 | 武昌船舶重工集团有限公司 | Two kinds of carriage assemblys, sectional shelf-unit and marine shafting alignment method |
| CN106809341A (en) * | 2017-01-18 | 2017-06-09 | 江南造船(集团)有限责任公司 | The centering method of marine shafting equipment |
| CN206241903U (en) * | 2016-12-09 | 2017-06-13 | 江苏省镇江船厂（集团）有限公司 | Marine shafting datum axis determines frock |
-
2017
- 2017-11-06 CN CN201711078247.5A patent/CN108189964B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201633876U (en) * | 2010-03-29 | 2010-11-17 | 浙江金港船业股份有限公司 | Ship shafting alignment temporary adjusting supporting device |
| KR20130003097A (en) * | 2011-06-30 | 2013-01-09 | 현대중공업 주식회사 | Shaft mounting structure |
| KR20140059879A (en) * | 2012-11-08 | 2014-05-19 | 대우조선해양 주식회사 | Turnbuckle device for fastening pipe and method for turn over using the same |
| CN204771269U (en) * | 2015-05-29 | 2015-11-18 | 沪东中华造船(集团)有限公司 | A special bed -jig for making boats and ships forecastle bulwark |
| CN105479412A (en) * | 2015-12-24 | 2016-04-13 | 广船国际有限公司 | Rudder blade mounting fixture |
| CN106114756A (en) * | 2016-08-18 | 2016-11-16 | 武昌船舶重工集团有限公司 | Two kinds of carriage assemblys, sectional shelf-unit and marine shafting alignment method |
| CN206241903U (en) * | 2016-12-09 | 2017-06-13 | 江苏省镇江船厂（集团）有限公司 | Marine shafting datum axis determines frock |
| CN106809341A (en) * | 2017-01-18 | 2017-06-09 | 江南造船(集团)有限责任公司 | The centering method of marine shafting equipment |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877703A (en) * | 2019-11-07 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Frock of boats and ships containment system anchor band steel auxiliary installation |
| CN110789682A (en) * | 2019-11-14 | 2020-02-14 | 武昌船舶重工集团有限公司 | Method for positioning central line of propulsion shaft system |
| CN110789681A (en) * | 2019-11-15 | 2020-02-14 | 武昌船舶重工集团有限公司 | Foldable support, support assembly and ship shafting centering method |
| CN110789681B (en) * | 2019-11-15 | 2021-09-21 | 武昌船舶重工集团有限公司 | Foldable support, support assembly and ship shafting centering method |
| CN112171592A (en) * | 2020-09-04 | 2021-01-05 | 中船黄埔文冲船舶有限公司 | Ship shafting positioning device |
| CN113954044A (en) * | 2021-11-19 | 2022-01-21 | 沪东中华造船(集团)有限公司 | Surveying and marking method for line extension line in hull centerline cabin |
| CN113954044B (en) * | 2021-11-19 | 2024-06-11 | 沪东中华造船(集团)有限公司 | Investigation method for line extension line in ship centerline cabin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108189964B (en) | 2020-04-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108189964A (en) | The method and special tooling of ship stern baseline are determined when in shipbuilding center shafting pair | |
| CN108049302A (en) | A kind of manufacturing method of full welding steel case and full bolt truss combined bridge lower edge steel box-girder | |
| CN104406576A (en) | Laser positioning device | |
| CN102513664B (en) | Actual ship assembly welding process for ultra-large high-precision base | |
| CN110877674B (en) | Positioning process of double rudder horn on subsection | |
| CN106041295A (en) | Welding control method and device | |
| CN103090817B (en) | Method for revising influence on measurement of three-dimensional dimensions of inland river underway ship due to water surface waves | |
| CN112319732B (en) | Lower floating body carrying method | |
| CN102312436A (en) | Steel pipe pile sinking construction technology | |
| CN105973212A (en) | Ship body measurement auxiliary tool and measurement method | |
| CN107764563A (en) | A kind of rail traffic vehicles pilot test of static strength method and device | |
| CN212637843U (en) | Immersed tube supporting device | |
| CN203595506U (en) | Tunnel center line walking rack | |
| JP2014111868A (en) | Weld-connecting method of basement column | |
| CN117182461A (en) | Manufacturing and construction control method for small-curvature high-pier continuous steel box girder | |
| CN205742129U (en) | A kind of vertical ship lift balance weight track Fast Installation adjusting apparatus | |
| CN106996106A (en) | Pile base construction method | |
| CN207878498U (en) | A kind of tower-crane foundation structure of bridge deepwater foundation pit | |
| CN105804039B (en) | A kind of vertical ship lift balance weight track Fast Installation adjusting apparatus and its application process | |
| CN110000512B (en) | Method for repairing sliding track of drilling platform | |
| CN205777528U (en) | A kind of lift-on/lift-off type metal form | |
| CN213390106U (en) | Foundation pile butt-joint structure with positioning function | |
| CN209584857U (en) | A kind of reverse installation system of large size support confined space | |
| CN206717353U (en) | Flange assembling process ruler based on ship piping system | |
| CN105501393B (en) | A kind of installation method of ship derrick post |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |