CN106759346B - A kind of sheltered reverse excavation steel pipe column positioning device and production method - Google Patents
A kind of sheltered reverse excavation steel pipe column positioning device and production method Download PDFInfo
- Publication number
- CN106759346B CN106759346B CN201611219781.9A CN201611219781A CN106759346B CN 106759346 B CN106759346 B CN 106759346B CN 201611219781 A CN201611219781 A CN 201611219781A CN 106759346 B CN106759346 B CN 106759346B
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- support plate
- thread bush
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 125
- 239000010959 steel Substances 0.000 title claims abstract description 125
- 238000009412 basement excavation Methods 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 15
- 238000007667 floating Methods 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 230000005526 G1 to G0 transition Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 8
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000012407 engineering method Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000011982 device technology Methods 0.000 description 2
- 238000012536 packaging technology Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/40—Miscellaneous comprising stabilising elements
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to underground engineering construction construction fields, and in particular to a kind of sheltered reverse excavation steel pipe column positioning device and production method.Including transmission device and support device；The support device includes support plate and bearing, and the bearing outer ring is fixedly linked with support plate plate face；The transmission device includes the thread bush being fixedly linked with steel pipe column, and screw rod is equipped in the thread bush, and described screw rod one end extends radially in steel pipe column along steel pipe column, and the other end is fixedly linked with bearing inner race.The present invention rotates screw rod by being manually entered in steel pipe column, the mobile back brace of support plate is driven to provide counter-force on uplift pile hole wall, so as to adjust steel pipe column verticality, efficiently solve the problems, such as that process present in steel sleeve retaining wall positioning mode in the prior art is more, at high cost.
Description
Technical field
The present invention relates to underground engineering construction construction fields, and in particular to a kind of sheltered reverse excavation steel pipe column positioning device and
Production method.
Background technique
Sheltered reverse excavation is after being excavated to certain depth downwards by ground, will be top closed, remaining lower part engineering is being sealed
It constructs under the top plate closed, i.e., successively excavates and build main structure from top to bottom until bottom plate.Usually first in ground surface
The building enclosure and intermediate pile, foundation pit enclosure structure for doing foundation pit downwards mostly use diaphram wall or curtain pile, intermediate supports
Mostly using the middle standing pillar of main structure itself to reduce project cost.The surface layer soil body can then be excavated to main structure top plate
Ground elevation pours top plate as clay model using the soil body not excavated.Top plate can be used as strong stull together, to prevent
Building enclosure is deformed into foundation pit, restores road after backfill, is resumed traffic.
With the rapid development in city and urban track traffic, more and more subway stations are built in heavy traffic, are built
Build the city busy section of town and heavy traffic location that object is intensive, underground utilities are criss-cross.Since sheltered reverse excavation hands over ground
It is logical to interfere less, be conducive to environmental protection, it has also become the midtown of the external heavy traffic of Now Domestic is built subway station and taken
A kind of effective ways.
In sheltered reverse excavation construction, construction stage and service stage vertical load are mainly born with steel-pipe pile, to steel pipe
The precision and degree control of column are proposed quite high requirement, and steel pipe column construction positioning also becomes sheltered reverse excavation engineering
One of heavy difficult point in construction.Steel pipe column positioning construction mostly uses HPE engineering method and steel sleeve retaining wall positioning mode in the prior art.
HPE engineering method not can guarantee more than positioning accuracy after certain depth, and cost is high, can not insert after pile foundation concrete initial set
Enter positioning, engineering accident risk is high.
Steel sleeve retaining wall positioning mode is manually to enter under the protection of steel sleeve in the cleaning hole of hole after slurry coat method, in resistance to plucking
Taper locator is installed on pile concrete, then steel pipe column is hung to hole, passes through the automatic guiding function of taper locator, essence
Really complete the lower part positioning of steel pipe column.But need before installing taper locator by following process: embedded steel sleeve (prevents from taking out
Collapse hole after mud), pump drainage mud, manually enter hole broken pile head and manually enter hole install taper locator.The engineering method construction time
It is long, it is affected to the duration；Meanwhile when steel sleeve is very long, the difficulty that steel sleeve is extracted after the completion of construction is big, leads to steel bushing
Pipe recycling rate of waterused is low, to keep construction cost higher.
Summary of the invention
Present invention aims at: it is positioned in construction in sheltered reverse excavation steel pipe column, using steel sleeve retaining wall positioning mode
There are processes to lead to long construction period more, and steel sleeve extracts the problem that difficulty causes greatly construction cost high, and the present invention provides one kind
Sheltered reverse excavation steel pipe column positioning device and production method, after installing the positioning device on steel pipe column, without using steel
Casing retaining wall, without carrying out pump drainage mud before installation positioner, without manually carrying out underground deep hole abolishing pile crown, effectively solve
Conventional steel column positioning mode process more, at high cost problem.
To achieve the goals above, the technical solution adopted by the present invention are as follows:
A kind of sheltered reverse excavation steel pipe column positioning device, including transmission device, brake apparatus and support device；The support
Device includes support plate and bearing, and the bearing outer ring is fixedly linked with support plate plate face；The transmission device includes and steel pipe
The thread bush that column is fixedly linked is equipped with screw rod in the thread bush, and described screw rod one end extends radially to steel pipe along steel pipe column
In column, the other end is fixedly linked with bearing inner race.
Since the thread bush of the positioning device is fixedly linked with steel pipe column, when being manually entered rotary screw in steel pipe column,
The mobile drive support plate of screw rod expands outwardly back brace and provides horizontal reacting force on uplift pile hole wall, sends out the center of steel pipe column
Raw movement, so as to adjust steel pipe column verticality, after the device, without using steel sleeve retaining wall, without in installation positioner
Preceding pump drainage mud abolishes pile crown without carrying out underground deep hole, efficiently solves steel sleeve retaining wall positioning mode in the prior art institute
More, the at high cost problem of existing process, the positioning device is easy to operate, highly-safe, effectively shortens steel pipe column construction work
Phase greatly reduces engineering cost, has good economy.
As a preferred solution of the present invention, when in use, four are one group to the positioning device, are along the circumferential direction distributed in
The lower part of steel pipe column.The lower part of steel pipe column is along the circumferential direction distributed in by using four positioning devices, it in this way can be in cross
The center of steel pipe column is quickly adjusted on direction, to promote the verticality of steel pipe column.
As a preferred solution of the present invention, the support plate is the arc panel being adapted with uplift pile hole wall.Using in this way
Design, support plate can be made to better contact with uplift pile hole wall, support plate stress more evenly, reduce support plate stress after
Deformation.
As a preferred solution of the present invention, the positioning device is additionally provided with the brake apparatus for preventing support plate from rotating,
It includes at least one brake bar and at least one piece of brake plate, the brake plate be sheathed on thread bush it is outer and with thread bush stationary phase
Even, the brake bar is fixedly linked after passing through brake plate with support plate.It can prevent from hanging steel pipe column using such design
When, avoid support plate from rotation phenomenon occur, to keep the arc surface of support plate opposite with the cambered surface of uplift pile hole wall always
It answers, it is ensured that the two preferably contact when in use makes support plate stress more evenly, the deformation after reducing support plate stress.
As a preferred solution of the present invention, the support plate is equipped with multiple floors, arc length of all floors along support plate
Directional spreding.Using such design, deformation of the support plate after stress can be further decreased.
As a preferred solution of the present invention, the screw rod protrudes into the end in steel pipe column and is equipped with for tightening tool clamping
Clamping plane.By the way that clamping plane is arranged in screw rod end, convenient for being manually entered in steel pipe column using tool rotary screw, thus
Adjust the center of steel pipe column.
As a preferred solution of the present invention, the thread bush is divided into two sections, is distributed in coaxial spaced and by being disposed in spiral shell
Casing outside line set is connected.Using such design, a piece very long thread bush of processing can not had to, added to reduce thread bush
Work technology difficulty, i.e. reduction manufacturing cost.
As a preferred solution of the present invention, lubricating grease is filled in the thread bush.By filling lubrication in thread bush
Rouge, the friction that can reduce screw thread pair keeps screw rod rotation lighter, while can also play sealing function to screw thread, prevents different
Object enters in steel pipe column.
A kind of production method of sheltered reverse excavation steel pipe column positioning device, including the following steps:
A, it assembles transmission device: screw rod is threaded into set；
B, it assembles support device: bearing outer ring and support plate is welded, bearing inner race and screw rod weld；
C, assemble brake apparatus: will braking sleeve-board outside thread bush and weld, by brake bar pass through brake plate after with support
Plate welding；
D, confirm installation site: being calculated by steel pipe column anti-floating, determine steel pipe column positioning device installation site, and in steel pipe
The central point of positioning device installation site is marked on column outer wall；
E, aperture: drawing circle compatible with thread bush outer diameter according to the central point of label, along setting-out aperture；
F, mounting and positioning device: positioning device is inserted into aperture, and thread bush and steel pipe column are welded.
Each component manufacture of the positioning device and packaging technology are relatively simple, are easy to implement, installation should on steel pipe column
After positioning device, using rotary screw in steel pipe column is manually entered, the center of steel pipe column is adjusted, steel pipe column can be made to have
Preferable verticality.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
Since the thread bush of the positioning device is fixedly linked with steel pipe column, when being manually entered rotary screw in steel pipe column,
The mobile drive support plate of screw rod expands outwardly back brace and provides horizontal reacting force on uplift pile hole wall, sends out the center of steel pipe column
Raw movement, so as to adjust steel pipe column verticality, after the device, without using steel sleeve retaining wall, without in installation positioner
Preceding pump drainage mud abolishes pile crown without carrying out underground deep hole, efficiently solves steel sleeve retaining wall positioning mode in the prior art institute
More, the at high cost problem of existing process, the positioning device is easy to operate, highly-safe, effectively shortens steel pipe column construction work
Phase greatly reduces engineering cost, has good economy.
Detailed description of the invention
Fig. 1 is sheltered reverse excavation steel pipe column positioning device general structure schematic diagram of the invention.
Fig. 2 is transmission device schematic diagram in Fig. 1.
Fig. 3 is brake apparatus schematic diagram in Fig. 1.
Fig. 4 is brake plate schematic diagram in Fig. 3.
Fig. 5 is support device schematic diagram in Fig. 1.
Marked in the figure: 1- transmission device, 11- thread bush, 12- casing, 13- screw rod, 2- brake apparatus, 21- brake bar,
22- brake plate, 3- support device, 31- support plate, 32- bearing, 33- floor, 4- steel pipe column.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Embodiment 1
The present invention provides a kind of sheltered reverse excavation steel pipe column positioning device；
As Figure 1-Figure 5, the sheltered reverse excavation steel pipe column positioning device in the present embodiment, including transmission device 1, braking
Device 2 and support device 3；The support device 3 includes support plate 31 and bearing 32,32 outer ring of bearing and 31 plate of support plate
Face welding；The transmission device 1 includes two thread bush 11, in coaxial spaced arrangement and the set by being disposed in outside thread bush 11
Pipe 12 is connected, and screw rod 13 is equipped in the thread bush 11, described 13 one end of screw rod extends radially to steel pipe column 4 along steel pipe column 4
Interior, the other end and 32 inner ring of bearing weld；The brake apparatus 2 includes two brake bars 21 and three pieces of brake plates 22, the system
Movable plate 22 is sheathed on outside casing 12 and welds with casing 12, and the brake bar 21 welds after passing through brake plate 22 with support plate 31.
Since the thread bush of the positioning device is fixedly linked with steel pipe column, when being manually entered rotary screw in steel pipe column,
The mobile drive support plate of screw rod expands outwardly back brace and provides horizontal reacting force on uplift pile hole wall, sends out the center of steel pipe column
Raw movement, so as to adjust steel pipe column verticality, after the device, without using steel sleeve retaining wall, without in installation positioner
Preceding pump drainage mud abolishes pile crown without carrying out underground deep hole, efficiently solves steel sleeve retaining wall positioning mode in the prior art institute
More, the at high cost problem of existing process, the positioning device is easy to operate, highly-safe, effectively shortens steel pipe column construction work
Phase greatly reduces engineering cost, has good economy.
In the present embodiment, when in use, four are one group to the positioning device, are along the circumferential direction distributed in steel pipe column 4
Lower part.The lower part of steel pipe column is along the circumferential direction distributed in by using four positioning devices, it in this way can be fast in ten word directions
The center of velocity modulation section steel pipe column, to promote the verticality of steel pipe column.
In the present embodiment, the support plate 31 is the arc panel being adapted with uplift pile hole wall.It, can using such design
So that support plate is better contacted with uplift pile hole wall, support plate stress more evenly, the deformation after reducing support plate stress.
In the present embodiment, the support plate 31 is equipped with two pieces of floors 33, and the floor 33 is along the arc length side of support plate 31
To being distributed in 32 two sides of bearing.Using such design, deformation of the support plate after stress can be further decreased.
In the present embodiment, it is flat equipped with the clamping for tightening tool clamping that the screw rod 13 protrudes into the end in steel pipe column 4
Face can process four symmetrical planes in the outer circle of screw rod end.By the way that clamping plane is arranged in screw rod end, it is convenient for people
Work enters rotary screw in steel pipe column, so as to adjust the center of steel pipe column.
In the present embodiment, lubricating grease is filled in the thread bush 11.By filling lubricating grease in thread bush, can drop
The friction of low thread pair keeps screw rod rotation lighter, while can also play sealing function to screw thread, prevents foreign matter from entering steel
In tubing string.
Embodiment 2
The present invention provides a kind of production method of sheltered reverse excavation steel pipe column positioning device；Including the following steps:
A, it assembles transmission device: after two sections of thread bush 11 are weldingly connected by casing 12, screw rod 13 being threaded into set
In 11；
B, it assembles support device: 32 outer ring of bearing is welded in 31 plate face center of support plate, 32 inner ring of bearing and screw rod 13
Welding；
C, assembling brake apparatus: three pieces of 22 spacer sleeves of brake plate outside casing 12 and are welded, and brake bar 21 is passed through system
It is welded after movable plate 22 with support plate 31；
D, confirm installation site: being calculated by steel pipe column anti-floating, determine steel pipe column positioning device installation site, and in steel pipe
The central point of positioning device installation site is marked on 4 outer wall of column；
E, aperture: drawing circle compatible with 11 outer diameter of thread bush according to the central point of label, along setting-out aperture；
F, mounting and positioning device: by assembled positioning device have screw rod one end insertion aperture in, and by positioning device with
4 firm welding of steel pipe column.
Each component manufacture of the positioning device and packaging technology are relatively simple, are easy to implement, installation should on steel pipe column
After positioning device, using rotary screw in steel pipe column is manually entered, the center of steel pipe column is adjusted, steel pipe column can be made to have
Preferable verticality.
Specifically, steel pipe column is subjected to steel plate back cover, the concrete anti-floating centainly just measured of precoating simultaneously provides locating personnel's
Standpoint, outside of steel pipe column installs 4 positioning devices at column inner concrete top face 1.5m, and positioning device screw rod protrudes into steel
300mm in tubing string.By being manually entered rotary screw in steel pipe column, support plate is driven to exist toward the mobile back brace in uplift pile hole wall direction
Horizontal reacting force is provided on hole wall, to achieve the purpose that adjust the positioning of steel pipe column lower part.Steel pipe column is located in steel reinforcement cage decentralization for the first time
After implement, tremie placing resistance to plucking pile concrete is transferred by outside of steel pipe column after the completion of positioning, and close to steel pipe column bottom
It is manually entered review positioning in steel pipe column before the uplift pile concrete initial set set, residual concrete in steel pipe column is carried out after waiting by force
It pours, completes the construction of steel pipe column.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in original of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within reason.
Claims (8)
1. a kind of sheltered reverse excavation steel pipe column positioning device, which is characterized in that including transmission device and support device；The support
Device includes support plate and bearing, and the bearing outer ring is fixedly linked with support plate plate face；The transmission device includes and steel pipe
The thread bush that column is fixedly linked is equipped with screw rod in the thread bush, and described screw rod one end extends radially to steel pipe along steel pipe column
In column, the other end is fixedly linked with bearing inner race；It further include the brake apparatus for preventing support plate from rotating, the brake apparatus
Including at least one brake bar and at least one piece of brake plate, the brake plate be sheathed on thread bush it is outer and with thread bush stationary phase
Even, the brake bar is fixedly linked after passing through brake plate with support plate.
2. sheltered reverse excavation steel pipe column positioning device according to claim 1, which is characterized in that the positioning device makes
Used time, four are one group, are along the circumferential direction distributed in the lower part of steel pipe column.
3. sheltered reverse excavation steel pipe column positioning device according to claim 1, which is characterized in that the support plate is and resists
The adaptable arc panel of pile pulling hole wall.
4. sheltered reverse excavation steel pipe column positioning device according to claim 1, which is characterized in that the support plate is equipped with
Multiple floors, arc length directional spreding of all floors along support plate.
5. sheltered reverse excavation steel pipe column positioning device described in one of -4 according to claim 1, which is characterized in that the screw rod is stretched
The end entered in steel pipe column is equipped with the clamping plane clamped for tightening tool.
6. sheltered reverse excavation steel pipe column positioning device described in one of -4 according to claim 1, which is characterized in that the thread bush
It is divided into two sections, in coaxial spaced distribution and the casing by being disposed in outside thread bush is connected.
7. sheltered reverse excavation steel pipe column positioning device described in one of -4 according to claim 1, which is characterized in that the thread bush
It is interior to be filled with lubricating grease.
8. a kind of production method of the sheltered reverse excavation steel pipe column positioning device as described in one of claim 1-7, feature exist
In, including the following steps:
A, it assembles transmission device: screw rod is threaded into set；
B, it assembles support device: bearing outer ring and support plate is welded, bearing inner race and screw rod weld；
C, it assembles brake apparatus: braking sleeve-board outside thread bush and is welded, brake bar is welded after brake plate with support plate
It connects；
D, confirm installation site: being calculated by steel pipe column anti-floating, determine steel pipe column positioning device installation site, and outside steel pipe column
The central point of positioning device installation site is marked on wall；
E, aperture: drawing circle compatible with thread bush outer diameter according to the central point of label, along setting-out aperture；
F, mounting and positioning device: positioning device is inserted into aperture, and thread bush and steel pipe column are welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611219781.9A CN106759346B (en) | 2016-12-26 | 2016-12-26 | A kind of sheltered reverse excavation steel pipe column positioning device and production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611219781.9A CN106759346B (en) | 2016-12-26 | 2016-12-26 | A kind of sheltered reverse excavation steel pipe column positioning device and production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106759346A CN106759346A (en) | 2017-05-31 |
| CN106759346B true CN106759346B (en) | 2019-09-03 |
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ID=58926963
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611219781.9A Active CN106759346B (en) | 2016-12-26 | 2016-12-26 | A kind of sheltered reverse excavation steel pipe column positioning device and production method |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134898B (en) * | 2021-11-26 | 2023-01-06 | 中建三局第三建设工程有限责任公司 | Top-down construction method one-pile one-column connecting structure and construction method thereof |
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|---|---|---|---|---|
| JPH111924A (en) * | 1997-06-12 | 1999-01-06 | Nippon Steel Corp | Insertion type steel pipe column construction method and apparatus |
| CN2855644Y (en) * | 2005-12-14 | 2007-01-10 | 东方汽轮机厂 | Alignment device for turbine blading ring and air sealing unit |
| CN201261707Y (en) * | 2008-08-01 | 2009-06-24 | 天津二十冶建设有限公司 | Jack fixer for adjusting workshop concrete column installation accuracy |
| CN101824919A (en) * | 2010-03-26 | 2010-09-08 | 中铁隧道集团有限公司 | Deep hole underwater installation and locating method of steel pipe column in weak watery stratum |
| CN102020216A (en) * | 2009-09-15 | 2011-04-20 | 汤守信 | Lower-height large-stroke screw jack |
| CN102716918A (en) * | 2012-06-18 | 2012-10-10 | 首钢总公司 | Correcting device and application method |
| CN202482862U (en) * | 2011-08-29 | 2012-10-10 | 长江岩土工程总公司（武汉） | Steel tube pile driving construction location adjuster |
| CN103556817A (en) * | 2013-11-14 | 2014-02-05 | 广州鑫桥建筑劳务有限公司 | Side wall concrete construction method employing side wall trolley |
| CN105129659A (en) * | 2015-08-20 | 2015-12-09 | 江苏亘德科技有限公司 | Thread jack with rapid jacking function |
-
2016
- 2016-12-26 CN CN201611219781.9A patent/CN106759346B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH111924A (en) * | 1997-06-12 | 1999-01-06 | Nippon Steel Corp | Insertion type steel pipe column construction method and apparatus |
| CN2855644Y (en) * | 2005-12-14 | 2007-01-10 | 东方汽轮机厂 | Alignment device for turbine blading ring and air sealing unit |
| CN201261707Y (en) * | 2008-08-01 | 2009-06-24 | 天津二十冶建设有限公司 | Jack fixer for adjusting workshop concrete column installation accuracy |
| CN102020216A (en) * | 2009-09-15 | 2011-04-20 | 汤守信 | Lower-height large-stroke screw jack |
| CN101824919A (en) * | 2010-03-26 | 2010-09-08 | 中铁隧道集团有限公司 | Deep hole underwater installation and locating method of steel pipe column in weak watery stratum |
| CN202482862U (en) * | 2011-08-29 | 2012-10-10 | 长江岩土工程总公司（武汉） | Steel tube pile driving construction location adjuster |
| CN102716918A (en) * | 2012-06-18 | 2012-10-10 | 首钢总公司 | Correcting device and application method |
| CN103556817A (en) * | 2013-11-14 | 2014-02-05 | 广州鑫桥建筑劳务有限公司 | Side wall concrete construction method employing side wall trolley |
| CN105129659A (en) * | 2015-08-20 | 2015-12-09 | 江苏亘德科技有限公司 | Thread jack with rapid jacking function |
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| Publication number | Publication date |
|---|---|
| CN106759346A (en) | 2017-05-31 |
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Inventor after: Tan Yongbin Inventor after: Li Zhihong Inventor after: Chen Qiang Inventor after: Chen Zhuo Inventor before: Tan Yongbin Inventor before: Li Zhihong Inventor before: Chen Qiang Inventor before: Chen Zhuo |