CN114838718A - Simple and easy device of steel-pipe pile construction vertical measurement - Google Patents
Simple and easy device of steel-pipe pile construction vertical measurement Download PDFInfo
- Publication number
- CN114838718A CN114838718A CN202210566057.2A CN202210566057A CN114838718A CN 114838718 A CN114838718 A CN 114838718A CN 202210566057 A CN202210566057 A CN 202210566057A CN 114838718 A CN114838718 A CN 114838718A
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- groove
- pipe pile
- fixedly connected
- steel pipe
- contact
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- 238000010276 construction Methods 0.000 title claims abstract description 27
- 238000005259 measurement Methods 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 230000000149 penetrating effect Effects 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/12—Instruments for setting out fixed angles, e.g. right angles
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- 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
- E02D13/06—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers for observation while placing
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
- E02D5/285—Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
Abstract
The invention discloses a simple device for vertical measurement in steel pipe pile construction, which comprises two device rings arranged up and down, wherein the two device rings are formed by two arc plates together, the two arc plates positioned at the same position are connected through a rotating device, two connecting rods are fixedly connected between the upper device ring and the lower device ring together, device boxes are fixedly connected to the side walls of the upper device ring and the lower device ring, device grooves are formed in the side walls of the four device boxes in a penetrating manner, power supply devices are arranged in the four device grooves, positioning devices are arranged at the groove openings of the four device grooves, placing grooves are formed in the upper ends of the four arc plates in a penetrating manner, and indicator lamps are arranged in the four placing grooves. The invention has the advantages of reasonable structural design, simple structure, uncomplicated operation, no threshold, obvious and easily-judged indication result and convenience for butting the steel pipe piles.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a simple device for vertical measurement in steel pipe pile construction.
Background
The building construction refers to production activities in the engineering construction implementation stage, is a construction process of various buildings, can also be a process of changing various lines on a design drawing into a real object in a specified place, and comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like.
Among the prior art, the verticality control measurement is loaded down with trivial details among the steel-pipe pile work progress, and a ray of operation personnel can not the problem of directly perceived measurement, can not effectively control the problem of verticality control such as tubular pile, post in the work progress, for the quality risk that the straightness deviation transfinites and causes rework after avoiding the construction completion, we have provided a steel-pipe pile construction vertical measurement simple and easy device.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a simple device for vertical measurement in steel pipe pile construction.
In order to achieve the purpose, the invention adopts the following technical scheme:
a simple device for vertical measurement in steel pipe pile construction comprises two device rings arranged up and down, wherein the two device rings are composed of two arc plates together, the two arc plates positioned at the same position are connected through a rotating device, two connecting rods are fixedly connected between the two device rings together, a device box is fixedly connected to the side walls of the two device rings, a device groove is formed in the side wall of each device box in a penetrating mode, a power supply device is arranged in each device groove, a positioning device is arranged at the groove opening of each device groove, a placing groove is formed in the upper end of each arc plate in a penetrating mode, an indicator lamp is arranged in each placing groove, a triggering device is connected to the inner wall of each arc plate in a penetrating mode, and a fixing part is arranged between the two arc plates at the corresponding position, the fixing piece is provided with a bolt in a penetrating mode, and the bolt is connected with a matched nut in a threaded mode.
Preferably, the rotating device comprises connecting pieces fixedly connected to the side walls of the two arc-shaped plates at the same position respectively, and the two connecting pieces are rotatably connected through a rotating shaft.
Preferably, power supply unit is including setting up the button cell in the device groove, the notch department in device groove is provided with the closing cap, be close to the first contact utmost point of one side fixedly connected with in the device groove on the closing cap, first contact utmost point offsets with button cell, the lateral wall department of first contact utmost point is provided with the conducting rod, the inner wall department in device groove runs through and is provided with and leads electrical pillar, conducting rod sliding connection is on leading electrical pillar, the bottom in device groove is provided with the second contact utmost point, the second contact utmost point offsets with button cell's opposite side.
Preferably, the positioning device comprises two positioning grooves which are respectively arranged on the inner walls opposite to the groove openings of the device in a penetrating manner, the sealing cover is provided with positioning plates which are fixedly connected to the opposite side walls respectively and are respectively positioned in the two positioning grooves, the positioning magnetic sheets are arranged on the side walls of the two positioning plates in a penetrating manner, the other positioning magnetic sheets are fixedly connected to the inner walls of the two positioning grooves respectively, and the positioning magnetic sheets corresponding to the positioning positions can be magnetically attracted to each other.
Preferably, the triggering device comprises a connecting column which is connected to the inner wall of the arc plate in a penetrating and sliding manner, one end of the connecting column, which is positioned at the inner side of the arc plate, is fixedly connected with a triggering plate, a hollow cavity is arranged in the arc plate in a penetrating manner, the inner wall of the hollow cavity is elastically connected with a spring, the connecting column is extended into the hollow cavity and is elastically connected with one end of the spring, the other end of the connecting column is extended into the hollow cavity and is extended into the device box, a triggering groove is arranged on the device box in a penetrating manner and is close to the side wall of the arc plate, one end of the connecting column, which is positioned outside the hollow cavity, is extended into the triggering groove and is fixedly connected with a moving plate, the other end of the conductive column is extended into the inner wall of the device groove and is fixedly connected to the inner wall of the triggering groove, the moving plate is connected to the conductive column in a sliding manner, and a third contact electrode is fixedly connected to the side wall of the moving plate, the other side of the second contact pole penetrates through the inner wall of the device groove and extends into the trigger groove, and the position of the second contact pole corresponds to the position of the third contact pole.
Preferably, the indicator light at the corresponding position is electrically connected with the conductive column through a conducting wire.
Preferably, the first contact, the second contact, the third contact, the conductive rod, the conductive column, the moving plate and the indicator lamp at the corresponding position may form a complete path.
Preferably, a plurality of fastening grooves are arranged on the outer side wall of each cover in a penetrating way.
Preferably, when the plurality of springs are in an initial state, none of the plurality of second contacts is in contact with a third contact at a corresponding position.
The invention has the following beneficial effects;
in the invention, the rotating device, the power supply device, the positioning device and the trigger device are matched with each other, the device is connected with the steel pipe pile in the prior art, the device ring below is sleeved on the steel pipe pile which is pre-embedded and below, then the steel pipe pile above is hoisted to be butted in the device ring above, the positioning condition of the steel pipe pile can be judged by the indicator lamps arranged on the device ring in the butting process, when the upper and lower positioning of the steel pipe pile are completely finished, the indicator lamps on two sides are all turned off, namely, the steel pipe pile is completely butted, the steel pipe pile is vertical up and down and centered, at the moment, an operator can start welding work, and after the welding is finished, the device is disassembled by bolts and nuts to finish one-time operation, the device has simple structure, convenient and rapid operation, obvious indicating effect and is suitable for the operator to check, and has no operation threshold, the consumable parts can also be conveniently replaced.
Drawings
FIG. 1 is a schematic top view of a simple device for vertical measurement in steel pipe pile construction according to the present invention;
FIG. 2 is a schematic side view of a simple device for vertical measurement in steel pipe pile construction according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
fig. 4 is a cross-sectional view of an arc-shaped plate of the simple vertical measurement device for steel pipe pile construction provided by the invention.
In the figure: the device comprises an arc-shaped plate 1, a connecting piece 2, a rotating shaft 3, a device box 4, a handle 5, an indicator lamp 6, a trigger plate 7, a connecting column 8, a fixing piece 9, a nut 10, a bolt 11, a connecting rod 12, a sealing cover 13, a buckling groove 14, a positioning plate 15, a positioning magnetic sheet 16, a spring 17, a motion plate 18, a button cell 19, a first contact 20, a conductive rod 21, a conductive column 22, a second contact 23, a third contact 24 and a device ring 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other, so that the specific meaning of the terms in the invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-4, a simple device for vertical measurement in steel pipe pile construction comprises two device rings 25 arranged up and down, wherein the two device rings 25 are formed by two arc plates 1 together, the two arc plates 1 at the same position are connected through a rotating device, the rotating device comprises connecting pieces 2 fixedly connected to the side walls of the two arc plates 1 at the same position respectively, and the two connecting pieces 2 are rotatably connected through a rotating shaft 3.
Wherein, two connecting rods 12 of common fixedly connected with between two upper and lower device rings 25, equal fixedly connected with device case 4 on the lateral wall of two upper and lower device rings 25, the lateral wall department of four device cases 4 all runs through and is provided with the device groove, four device inslots all are provided with power supply unit, power supply unit is including setting up button cell 19 at the device inslot, the notch department in device groove is provided with closing cap 13, be close to the first touching utmost point 20 of one side fixedly connected with in the device inslot on closing cap 13, first touching utmost point 20 offsets with button cell 19, the lateral wall department of first touching utmost point 20 is provided with conducting rod 21, the inner wall department in device groove runs through and is provided with and leads electrical pillar 22, conducting rod 21 sliding connection is on leading electrical pillar 22, the bottom in device groove is provided with second touching utmost point 23, second touching utmost point 23 offsets with button cell 19's opposite side.
Wherein, the notch department in four device grooves all is provided with positioner, positioner is including running through two constant head tanks that set up on the relative inner wall in device notch department respectively, equal fixedly connected with locating plate 15 on the relative lateral wall on the closing cap 13, two locating plates 15 are located two constant head tanks respectively, the lateral wall department of two locating plates 15 all runs through and is provided with location magnetic sheet 16, the equal fixedly connected with other location magnetic sheet 16 of inner wall department of two constant head tanks, the location magnetic sheet 16 that corresponds position department can be inhaled each other magnetically.
Wherein, the upper ends of the four arc plates 1 are all provided with a placing groove in a penetrating way, the four placing grooves are all provided with an indicator lamp 6, the inner walls of the four arc plates 1 are all connected with a trigger device in a penetrating way, the trigger device comprises a connecting post 8 which is connected with the inner wall of the arc plate 1 in a penetrating way, one end of the connecting post 8 which is positioned at the inner side of the arc plate 1 is fixedly connected with a trigger plate 7, the arc plate 1 is internally provided with a hollow cavity in a penetrating way, the inner wall of the hollow cavity is elastically connected with a spring 17, the connecting post 8 extends into the hollow cavity in a penetrating way and is elastically connected with one end of the spring 17, the other end of the connecting post 8 extends into the hollow cavity and extends into the device box 4, the side wall of the device box 4 which is close to the arc plate 1 is provided with a triggering groove in a penetrating way, one end of the connecting post 8 which is positioned outside the hollow cavity extends into the triggering groove and is fixedly connected with a moving plate 18, the other end of the conductive post 22 extends through the inner wall of the device groove and is fixedly connected to the inner wall of the triggering groove, the moving plate 18 is connected to the conductive column 22 in a sliding manner, the side wall of the moving plate 18 is fixedly connected with a third contact 24, the other side of the second contact 23 penetrates through the inner wall of the device groove and extends into the trigger groove, and the position of the second contact 23 corresponds to the position of the third contact 24.
Specifically, a fixing part 9 is arranged between the two arc-shaped plates 1 at the corresponding positions, a bolt 11 penetrates through the fixing part 9, and the bolt 11 is in threaded connection with a matched nut 10.
It should be mentioned that the indicator light 6 and the conductive column 22 at the corresponding position are electrically connected through a conducting wire, the first contact 20, the second contact 23, the third contact 24, the conductive rod 21, the conductive column 22, the moving plate 18 and the indicator light 6 at the corresponding position can form a complete path, and when the plurality of springs 17 are in the initial state, the plurality of second contacts 23 are not in contact with the third contact 24 at the corresponding position.
The outer side walls of the plurality of sealing covers 13 are all provided with buckling grooves 14 in a penetrating mode, the sealing covers 13 can be buckled from the notches of the device grooves by buckling the buckling grooves 14, and the button batteries 19 in the device grooves can be replaced conveniently.
In the invention, an operator detects whether the indicator lamps 6 at the positions on the two device rings 25 are normally powered in advance, can judge whether the button battery 19 needs to be replaced, and when the button battery 19 is replaced, the seal cover 13 is buckled through the buckling grooves 14, so that the positioning magnetic sheets 16 on the positioning plates 15 at the two sides are separated from the positioning magnetic sheets 16 in the positioning grooves at the corresponding positions, and then the seal cover 13 can be taken down, and further the button battery 19 is replaced.
After the inspection is finished, an operator can open the upper bolt 11 and the lower bolt 11, open the device ring 25 positioned below, joint the arc plates 1 on two sides on the pre-buried fixed steel pipe pile, install the bolts 11 and the nuts 10, but do not need to be screwed down, keep a certain activity space, facilitate later-stage positioning, determine that the device ring 25 positioned below corresponds to the position of the steel pipe pile positioned below, the two indicator lamps 6 should be in an off state, if not, the adjustment is continued, after the adjustment of the device ring 25 positioned below is finished, the operator can lift the steel pipe pile above through the lifting device in the prior art and butt joint the steel pipe pile with the pre-buried device ring, let the lower end of the steel pipe pile enter the device ring 25 above, at the moment, the operator starts to adjust the position of the steel pipe pile, when the position of the steel pipe pile deviates, the trigger plate 7 at the corresponding position is triggered to displace, can drive motion plate 18 through spliced pole 8 and take place the displacement in triggering the inslot, spring 17 can take place deformation this moment, third contact pole 24 on the motion plate 18 lateral wall this moment can contact with second contact pole 23 each other, thereby indicator 6 for corresponding position department provides the electric power route, indicator 6 here can directly light, it is too big to show the steel-pipe pile here offset, need to go the opposite direction adjustment, it indicates that the steel-pipe pile has accomplished the butt joint promptly to all no longer light back of two indicator 6 on device ring 25, vertical unanimity from top to bottom, operating personnel can screw up nut 10 on the bolt 11 of each department this moment, the position of well fixed steel-pipe pile then begin to weld the steel-pipe pile of two sections butt joints can, it can accomplish the operation to pull down this device afterwards.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A simple device for vertical measurement in steel pipe pile construction comprises two device rings (25) which are arranged up and down, and is characterized in that the two device rings (25) are composed of two arc plates (1) together, the two arc plates (1) positioned at the same position are connected through a rotating device, two connecting rods (12) are fixedly connected between the two device rings (25) together, the side walls of the two device rings (25) are fixedly connected with device boxes (4), the side walls of the four device boxes (4) are provided with device grooves in a penetrating manner, power supply devices are arranged in the four device grooves, the groove openings of the four device grooves are provided with positioning devices, the upper ends of the four arc plates (1) are provided with placing grooves in a penetrating manner, indicator lamps (6) are arranged in the four placing grooves, and the inner walls of the four arc plates (1) are connected with triggering devices in a penetrating manner in a sliding manner, all be provided with between two arc (1) of corresponding position department fixed part (9), run through on fixed part (9) and be provided with bolt (11), threaded connection has supporting nut (10) on bolt (11).
2. The simple vertical measurement device for steel pipe pile construction according to claim 1, wherein the rotating device comprises connecting pieces (2) fixedly connected to the side walls of the two arc-shaped plates (1) at the same position respectively, and the two connecting pieces (2) are rotatably connected through a rotating shaft (3).
3. The simple vertical measurement device for steel pipe pile construction according to claim 1, wherein the power supply device comprises a button battery (19) arranged in the device groove, a sealing cover (13) is arranged at a notch of the device groove, a first contact pole (20) is fixedly connected to one side of the sealing cover (13) close to the inside of the device groove, the first contact pole (20) abuts against the button battery (19), a conductive rod (21) is arranged at a side wall of the first contact pole (20), a conductive column (22) penetrates through an inner wall of the device groove, the conductive rod (21) is slidably connected to the conductive column (22), a second contact pole (23) is arranged at the bottom of the device groove, and the second contact pole (23) abuts against the other side of the button battery (19).
4. The simple vertical measurement device for steel pipe pile construction according to claim 1, wherein the positioning device comprises two positioning grooves respectively penetrating through opposite inner walls of the device groove, positioning plates (15) are fixedly connected to opposite side walls of the cover (13), the two positioning plates (15) are respectively located in the two positioning grooves, positioning magnetic sheets (16) are respectively penetrated through the side walls of the two positioning plates (15), other positioning magnetic sheets (16) are fixedly connected to the inner walls of the two positioning grooves, and the positioning magnetic sheets (16) at corresponding positions can be magnetically attracted to each other.
5. The simple vertical measurement device for steel pipe pile construction according to claim 3, wherein the trigger device comprises a connecting column (8) connected to the inner wall of the arc-shaped plate (1) in a penetrating and sliding manner, a trigger plate (7) is fixedly connected to one end of the connecting column (8) located at the inner side of the arc-shaped plate (1), a hollow cavity is arranged in the arc-shaped plate (1) in a penetrating manner, a spring (17) is elastically connected to the inner wall of the hollow cavity, the connecting column (8) extends into the hollow cavity in a penetrating manner and is elastically connected with one end of the spring (17), the other end of the connecting column (8) extends into the device box (4) in a penetrating manner, a trigger groove is arranged on the side wall of the device box (4) close to the arc-shaped plate (1) in a penetrating manner, one end of the connecting column (8) located outside the hollow cavity extends into the trigger groove and is fixedly connected with a motion plate (18), the other end of the conductive column (22) penetrates through the inner wall of the device groove and extends to be fixedly connected to the inner wall of the trigger groove, the moving plate (18) is connected to the conductive column (22) in a sliding mode, a third contact pole (24) is fixedly connected to the side wall of the moving plate (18), the other side of the second contact pole (23) penetrates through the inner wall of the device groove and extends into the trigger groove, and the position of the second contact pole (23) corresponds to the position of the third contact pole (24).
6. The simple vertical measurement device for steel pipe pile construction according to claim 3, wherein the indicator lamp (6) and the conductive column (22) at the corresponding position are electrically connected through a conducting wire.
7. The simple vertical measurement device for steel pipe pile construction according to claim 5, wherein the first contact (20), the second contact (23), the third contact (24), the conducting rod (21), the conducting post (22), the moving plate (18) and the indicator light (6) at the corresponding position form a complete passage.
8. The simple vertical measurement device for steel pipe pile construction according to claim 3, wherein the outer side walls of the plurality of sealing covers (13) are provided with a buckling groove (14) in a penetrating manner.
9. The simple vertical measurement device for steel pipe pile construction according to claim 5, wherein when the plurality of springs (17) are in an initial state, none of the plurality of second contacts (23) is in contact with a third contact (24) at a corresponding position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210566057.2A CN114838718A (en) | 2022-05-23 | 2022-05-23 | Simple and easy device of steel-pipe pile construction vertical measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210566057.2A CN114838718A (en) | 2022-05-23 | 2022-05-23 | Simple and easy device of steel-pipe pile construction vertical measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114838718A true CN114838718A (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210566057.2A Pending CN114838718A (en) | 2022-05-23 | 2022-05-23 | Simple and easy device of steel-pipe pile construction vertical measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114838718A (en) |
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| CN103471655A (en) * | 2013-09-09 | 2013-12-25 | 山河智能装备股份有限公司 | Device for protecting inclination of stand column |
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| CN210936543U (en) * | 2019-10-18 | 2020-07-07 | 山东恒通膨胀节制造有限公司 | Expansion joint post-welding roundness correction device |
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| CN212948903U (en) * | 2021-03-04 | 2021-04-13 | 芜湖东新磁电有限公司 | Mould plastics magnetism rotor gasket production with equipment's of moulding plastics locking mechanism |
| CN113624124A (en) * | 2021-07-30 | 2021-11-09 | 广东精铟海洋工程股份有限公司 | Pile stabilizing system with automatic deviation rectifying function and deviation rectifying method thereof |
| CN215052940U (en) * | 2021-07-09 | 2021-12-07 | 东莞市建安桩基础工程有限公司 | Auxiliary pile extension device for tubular piles |
| CN114032870A (en) * | 2021-12-29 | 2022-02-11 | 江苏龙源振华海洋工程有限公司 | Pile sinking process based on jacket of offshore booster station |
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2022
- 2022-05-23 CN CN202210566057.2A patent/CN114838718A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471655A (en) * | 2013-09-09 | 2013-12-25 | 山河智能装备股份有限公司 | Device for protecting inclination of stand column |
| CN210659974U (en) * | 2019-07-18 | 2020-06-02 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Wellhead tubular column centralizing device for pressure operation |
| CN210936543U (en) * | 2019-10-18 | 2020-07-07 | 山东恒通膨胀节制造有限公司 | Expansion joint post-welding roundness correction device |
| CN211312509U (en) * | 2019-11-07 | 2020-08-21 | 湖北波森特岩土工程有限公司 | Concrete pipe pile extension device |
| CN212948903U (en) * | 2021-03-04 | 2021-04-13 | 芜湖东新磁电有限公司 | Mould plastics magnetism rotor gasket production with equipment's of moulding plastics locking mechanism |
| CN215052940U (en) * | 2021-07-09 | 2021-12-07 | 东莞市建安桩基础工程有限公司 | Auxiliary pile extension device for tubular piles |
| CN113624124A (en) * | 2021-07-30 | 2021-11-09 | 广东精铟海洋工程股份有限公司 | Pile stabilizing system with automatic deviation rectifying function and deviation rectifying method thereof |
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Application publication date: 20220802 |