CN110424951A - The measuring tool and its application method of pile foundation hole perpendicularity - Google Patents
The measuring tool and its application method of pile foundation hole perpendicularity Download PDFInfo
- Publication number
- CN110424951A CN110424951A CN201910597677.0A CN201910597677A CN110424951A CN 110424951 A CN110424951 A CN 110424951A CN 201910597677 A CN201910597677 A CN 201910597677A CN 110424951 A CN110424951 A CN 110424951A
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- pile foundation
- foundation hole
- regulating mechanism
- locating piece
- measuring tool
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- 238000000034 method Methods 0.000 title claims description 20
- 230000001105 regulatory effect Effects 0.000 claims abstract description 65
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 230000002787 reinforcement Effects 0.000 claims description 20
- 239000011521 glass Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 6
- 238000007689 inspection Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The present invention relates to a kind of measuring tools of pile foundation hole perpendicularity, comprising: inner hollow and locating piece compatible with pile foundation hole to be measured；And it is removably installed in locating piece inside and the adjustable regulating mechanism in position, the regulating mechanism can rotate adjusting automatically to keep vertical, laser pen is installed in the regulating mechanism, by the autorotation adjusting of regulating mechanism so that laser pen is in a vertical shape and emit laser upwards, by adjusting the position of regulating mechanism, so that laser pen is located on the center line of locating piece；Locating piece is put at present to the bottom of pile foundation hole, to calculate the verticality of pile foundation hole according to the laser position of pile foundation hole opening in measurement.Present invention efficiently solves the problem of pile foundation hole squareness measurement difficulty, the verticality of pile foundation hole can be accurately measured, and the measuring tool is easy to accomplish, cost is more cheap, and the tool can be recycled, and greatly reduce construction cost.
Description
Technical field
The present invention relates to the realm of building construction, refer in particular to the measuring tool and its application method of a kind of pile foundation hole perpendicularity.
Background technique
After pile foundation construction pore-forming, the pile foundation hole of formation can generally have a degree of inclination, and the depth excavated is got over
The gradient in deep pile foundation hole may be bigger, and what is used mostly at present is mostly plumb bob method, inspection hole steel reinforcement cage method or inspection hole instrument mensuration.
Wherein, plumb bob method is that the verticality of pile foundation hole is measured in the way of messenger wire and tape measure cooperation, and this method exists
Pile foundation hole depth is difficult to measure practical verticality when deeper；Inspection hole steel reinforcement cage method is matched according to the diameter production of pile foundation hole
Steel reinforcement cage is put into pile foundation hole by steel reinforcement cage in turn, and this method can only substantially judge the Forming Quality and verticality of pile foundation hole
Deviation it is whether excessive, it is difficult to measure accurate numerical value；Although inspection hole instrument mensuration can precisely measure the verticality of pile foundation hole,
But equipment price is high, considerably increases construction cost.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, provide a kind of pile foundation hole perpendicularity measuring tool and its
Application method solves the problems, such as that pile foundation hole squareness measurement is difficult, can accurately measure the verticality of pile foundation hole, and should
Measuring tool is easy to accomplish, and cost is more cheap, and the tool can be recycled, and greatly reduce construction cost.
Realizing the technical solution of above-mentioned purpose is:
The present invention provides a kind of measuring tools of pile foundation hole perpendicularity, comprising:
Inner hollow and locating piece compatible with pile foundation hole to be measured；And
It is removably installed in inside locating piece and the adjustable regulating mechanism in position, the regulating mechanism can rotate adjusting automatically
To keep vertical, laser pen is installed in the regulating mechanism, by the autorotation adjusting of regulating mechanism so that laser pen is in vertical
Shape simultaneously emits laser upwards, by adjusting the position of regulating mechanism, so that laser pen is located on the center line of locating piece；
Locating piece is put at present to the bottom of pile foundation hole in measurement, thus issued according to pile foundation hole opening by regulating mechanism
The position of laser calculates the verticality of pile foundation hole.
The present invention uses the measuring tool of pile foundation hole perpendicularity, by the way that regulating mechanism to be installed on inside locating piece, and leads to
The center that the position of regulating mechanism enables laser pen to be located at locating piece is overregulated, and then locating piece is transferred to pile foundation
Hole bottom, which can rotate adjusting automatically and keep vertical, so that the laser pen for being set to the regulating mechanism is also protected
It holds vertical and launches laser perpendicular to ground upwards, according to the laser position of pile foundation hole opening and pile foundation hole opening
The distance between center can accurately calculate the verticality for obtaining the pile foundation hole, and it is tired to solve pile foundation hole squareness measurement
Difficult problem, can accurately measure the verticality of pile foundation hole, and the measuring tool is easy to accomplish, and cost is more cheap, and
The tool can be recycled, and greatly reduce construction cost.
The measuring tool of pile foundation hole perpendicularity of the present invention further improvement lies in that, which includes:
Inner hollow and it is installed on the outer sphere inside locating piece, the bottom of the outer sphere offers an opening；And
The interior spheroid being rotatablely installed inside outer sphere, the bottom of the interior spheroid is provided with clump weight, and the clump weight is certainly
The outward opening of outer sphere protrudes out, and the diameter of the clump weight is less than the diameter of opening, which is set to the top of the clump weight
Portion applies power straight down in interior spheroid by the clump weight, to drive interior spheroid to rotate up to counterweight relative to outer sphere
Block straight down, so that laser pen correspondence is vertically arranged, adjusts to realize automatic rotation and issues laser straight up.
The measuring tool of pile foundation hole perpendicularity of the present invention further improvement lies in that, have between the outer sphere and interior spheroid
Setting gap is filled with several steel balls in the gap between the outer sphere and interior spheroid.
The measuring tool of pile foundation hole perpendicularity of the present invention further improvement lies in that, be fixedly plugged in the interior spheroid hollow
It manages, laser pen is installed inside the hollow pipe, the bottom of the hollow pipe is fixedly connected with clump weight.
The measuring tool of pile foundation hole perpendicularity of the present invention further improvement lies in that, the top of the interior spheroid and outer sphere is right
Stress the position of light pen be provided with glass cover.
The measuring tool of pile foundation hole perpendicularity of the present invention further improvement lies in that, the setting of the outside spacers of the regulating mechanism
There are several screw rods, the end correspondence of the screw rod is screwed with casing, by screwing casing with adjusting screw rod and casing intersection
Length, and then fixed sleeving and locating piece, so that the position for realizing regulating mechanism is adjusted.
The measuring tool of pile foundation hole perpendicularity of the present invention further improvement lies in that, the locating piece be steel reinforcement cage, by several
Reinforcing bar is bound；
The casing is fixedly connected with fixture block far from the end of screw rod, is placed on the reinforcing bar of steel reinforcement cage by casing and the fixture block
Correspondence blocks reinforcing bar, so that regulating mechanism fixed frame is set to steel reinforcement cage.
The measuring tool of pile foundation hole perpendicularity of the present invention further improvement lies in that, which is symmetrically disposed on regulating mechanism
Outside.
The present invention provides a kind of application methods of the measuring tool of pile foundation hole perpendicularity, include the following steps:
S11. according to the position of the diameter adjustment regulating mechanism of locating piece, so that regulating mechanism is located at the center line of locating piece
On；
S12. decentralization locating piece measures the position for the laser that pile foundation hole opening is emitted by regulating mechanism to the bottom of pile foundation hole
The distance between center of pile foundation hole opening is set, and then the verticality of pile foundation hole is calculated according to this distance.
The application method of member center line scribing tool of the present invention further improvement lies in that, set on the outside of the regulating mechanism
It is equipped with screw rod, and the end of the screw rod is screwed with casing, the end of the casing is installed with fixture block, which is steel reinforcement cage；
Casing is screwed to change the length of screw rod Yu casing lap, enables the center of regulating mechanism and locating piece
It is overlapped, and then casing rack is set on the reinforcing bar of steel reinforcement cage and blocks reinforcing bar using fixture block, so that regulating mechanism fixed frame is set to
In locating piece.
Detailed description of the invention
Fig. 1 is the overhead sectional view of the measuring tool of pile foundation hole perpendicularity of the present invention.
Fig. 2 is the cross-sectional view of the measuring tool regulating mechanism part of pile foundation hole perpendicularity of the present invention.
Fig. 3 is the application method flow chart of the measuring tool of pile foundation hole perpendicularity of the present invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
Refering to fig. 1, the present invention provides the measuring tools and its application method of a kind of pile foundation hole perpendicularity, by that will adjust
Mechanism is installed on inside locating piece, and the position by adjusting regulating mechanism enables laser pen to be located at the centre bit of locating piece
It sets, and then locating piece is transferred to pile foundation hole bottom, which can rotate adjusting automatically and keep vertical, so that setting
It also keeps launching the laser perpendicular to ground vertically and upwards in the laser pen of the regulating mechanism, according to pile foundation hole opening
The distance between the center of laser position and pile foundation hole opening, can accurately calculate the verticality for obtaining the pile foundation hole,
It solves the problems, such as that pile foundation hole squareness measurement is difficult, can accurately measure the verticality of pile foundation hole, and the measuring tool
Easy to accomplish, cost is more cheap, and the tool can be recycled, and greatly reduce construction cost.With reference to the accompanying drawing to this
The measuring tool of invention pile foundation hole perpendicularity is illustrated.
Refering to fig. 1, Fig. 1 is the overhead sectional view of the measuring tool of pile foundation hole perpendicularity of the present invention.It is right below with reference to Fig. 1
The measuring tool of pile foundation hole perpendicularity of the present invention is illustrated.
As depicted in figs. 1 and 2, the measuring tool of pile foundation hole perpendicularity of the present invention, comprising:
Inner hollow and locating piece 11 compatible with pile foundation hole to be measured；And
It is removably installed in 11 inside of locating piece and the adjustable regulating mechanism in position, the regulating mechanism can rotate tune automatically
Section is equipped with laser pen 132, by the autorotation adjusting of regulating mechanism so that laser pen to keep vertical in the adjustment structure
132 is in a vertical shape and emit laser upwards, by adjusting the position of regulating mechanism, so that laser pen 132 is located at locating piece 11
On center line；
Locating piece 11 is put at present to the bottom of pile foundation hole, to calculate according to the laser position of pile foundation hole opening in measurement
The verticality of pile foundation hole out.
Further, the outside spacers of the regulating mechanism are provided with several screw rods 122, and the end of the screw rod 122 corresponds to spiral shell
Conjunction has casing 123, by screwing casing 123 with the length of adjusting screw rod 122 and 123 intersection of casing, and then fixed sleeving
123 in locating piece 11, so that the position for realizing regulating mechanism is adjusted.
Specifically, the locating piece 11 is steel reinforcement cage, bound by several reinforcing bars；
The casing 123 is fixedly connected with fixture block 1231 far from the end of screw rod 122, is placed in steel reinforcement cage by the casing 123
Reinforcing bar on and fixture block 1231 correspondence block the reinforcing bar so that regulating mechanism fixed frame be set to steel reinforcement cage.
Preferably, the locating piece 11 can be sleeve, the hole passed through for casing 123 is offered in the sleeve lateral wall, is led to
It crosses screw rod alignment holes, and then casing is put in into hole on the outside of sleeve and is screwed together on screw rod, so that fixture block 1231 resists
The lateral wall of sleeve, so that regulating mechanism is fixed on sleeve inner.
Preferably, the screw rod 122 is symmetrically disposed on the outside of regulating mechanism, enable regulating mechanism more steadily frame
On the reinforcing bar of steel reinforcement cage.
As a better embodiment of the invention, as shown in connection with fig. 2, which includes:
The inner hollow and outer sphere 12 being installed on inside locating piece 11, the bottom of the outer sphere 12 offer an opening；
The interior spheroid 13 being rotatablely installed inside outer sphere 12, the bottom of the interior spheroid 13 are provided with clump weight 131, and should
The outward opening of clump weight 131 from outer sphere 12 protrudes out, and the diameter of the clump weight 131 is less than the diameter of opening, the laser pen 132
It is set to the top of the clump weight 131, power straight down is applied in interior spheroid 13 by clump weight 131, to drive interior spheroid
13 rotate up to clump weight 131 straight down relative to outer sphere 12, so that the correspondence of laser pen 132 is vertically arranged, to realize
Automatic rotation adjusts and issues laser straight up.
Preferably, the diameter that the diameter of 12 bottom opening of outer sphere is less than the outer sphere 12 is greater than the straight of clump weight 131
Diameter, so that clump weight 131 can be freely rotated in a certain range, to guarantee laser pen 132 straight up.
Further, there is setting gap between the outer sphere 12 and interior spheroid 13, the outer sphere 12 and interior spheroid 13 it
Between gap in be filled with several steel balls 121, to reduce the frictional force between outer sphere 12 and interior spheroid 13, so that interior spheroid 13
It can more smoothly be rotated in outer sphere 12.
Preferably, being coated with lubricating oil on the steel ball 121.
Further, be inserted with hollow pipe in the interior spheroid 13, the hollow tube section protruded outward from interior spheroid 13 and from
The opening of outer sphere 12 is stretched out, and is equipped with laser pen 132 inside the hollow pipe, the end of the hollow pipe overhang and clump weight
131 are fixedly connected.
Preferably, the interior spheroid 13 and outer sphere 12 are made of stainless steel, and the top of interior spheroid 13 and outer sphere 12
The position of corresponding laser pen 132 is provided with glass cover 14, and laser is emitted upwards through glass cover 14.
The specific embodiment of the measuring tool of pile foundation hole perpendicularity of the present invention is as follows:
One casing 123 is placed on reinforcing bar and fixture block 1231 resists the reinforcing bar, and then screws casing 123 and makes casing
123 change with 122 intersection length of screw rod, to have adjusted the position of regulating mechanism, determine so that regulating mechanism is located at
On the center line of position part 11, other casings 123 are also placed on reinforcing bar at this time and fixture block 1231 is respectively held against corresponding reinforcing bar, this
When regulating mechanism fixed frame be set to locating piece 11 in；
It hangs locating piece 11 and the locating piece 11 is transferred to the bottom of pile foundation hole, clump weight 131 rotates down simultaneously at this time
Drive interior spheroid 13 rotated in outer sphere 12, when clump weight 131 straight down after hollow pipe in laser pen 132 straight up
And project laser perpendicular to the ground；
According to laser in the distance between the position of pile foundation hole opening and the center of pile foundation hole opening and stake
The depth of datum hole calculates the verticality of pile foundation hole；
Locating piece 11 is sling, and screws casing 123 and casing 123 and the length of 122 intersection of screw rod is shortened, and is blocked
Block 1231 is detached from from reinforcing bar, removes regulating mechanism, and various sizes of locating piece 11 can be cooperated to be recycled.
The present invention also provides a kind of application methods of the measuring tool of pile foundation hole perpendicularity, as shown in connection with fig. 3, this method
Include the following steps:
Step S11. is executed according to the position of the diameter adjustment regulating mechanism of locating piece 11, so that regulating mechanism is located at positioning
On the center line of part 11；Then step S12 is executed
It executes step S12. and transfers locating piece 11 to the bottom of pile foundation hole, measure pile foundation hole opening and emitted by regulating mechanism
Laser position and pile foundation hole opening the distance between center, and then according to distance be calculated pile foundation hole hang down
Straight degree.
Further, screw rod 122 is provided on the outside of the regulating mechanism, and the end of screw rod 122 is screwed with casing 123,
The end of the casing 123 is installed with fixture block 1231, which is steel reinforcement cage；
Casing 123 is screwed to change the length of screw rod 122 Yu 123 lap of casing, enable regulating mechanism with it is fixed
The center of position part 11 is overlapped, and then casing 123 is set up on the reinforcing bar of steel reinforcement cage and blocks reinforcing bar using fixture block 1231, so that
Regulating mechanism fixed frame is set in locating piece 11.
The concrete operations mode of application method actual implementation provided by the invention is as follows:
Suitable locating piece 11 is processed according to the diameter of pile foundation hole, a casing 123 is placed on reinforcing bar and fixture block 1231
The reinforcing bar is resisted, and then screws casing 123 and casing 123 is changed with 122 intersection length of screw rod, to have adjusted
The position of regulating mechanism, so that regulating mechanism is located on the center line of locating piece 11, other casings 123 are also placed in reinforcing bar at this time
Upper and fixture block 1231 is respectively held against corresponding reinforcing bar, and regulating mechanism fixed frame is set in locating piece 11 at this time；
It hangs locating piece 11 and the locating piece 11 is transferred to the bottom of pile foundation hole, clump weight 131 rotates down simultaneously at this time
Drive interior spheroid 13 rotated in outer sphere 12, when clump weight 131 straight down after hollow pipe in laser pen 132 straight up
And project laser perpendicular to the ground；
According to laser in the distance between the position of pile foundation hole opening and the center of pile foundation hole opening and stake
The depth of datum hole calculates the verticality of pile foundation hole；
Locating piece 11 is sling, and screws casing 123 and casing 123 and the length of 122 intersection of screw rod is shortened, and is blocked
Block 1231 is detached from from reinforcing bar, removes regulating mechanism, and various sizes of locating piece 11 can be cooperated to be recycled.
The present invention has been described in detail with reference to the accompanying drawings, those skilled in the art can be according to upper
It states and bright many variations example is made to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention, this
Invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (10)
1. a kind of measuring tool of pile foundation hole perpendicularity characterized by comprising
Inner hollow and locating piece compatible with pile foundation hole to be measured；And
It is removably installed in inside the locating piece and the adjustable regulating mechanism in position, the regulating mechanism can rotate tune automatically
Section is equipped with laser pen in the regulating mechanism to keep vertical, is adjusted by the autorotation of the regulating mechanism so that described
Laser pen is in a vertical shape and emits laser upwards, by adjusting the position of the regulating mechanism, so that the laser pen is located at institute
It states on the center line of locating piece；
The locating piece is transferred to the bottom of the pile foundation hole, thus according to the laser position of the pile foundation hole opening in measurement
Set the verticality for calculating the pile foundation hole.
2. the measuring tool of pile foundation hole perpendicularity as described in claim 1, which is characterized in that the regulating mechanism includes:
Inner hollow and it is installed on the outer sphere inside locating piece, the bottom of the outer sphere offers an opening；And
The interior spheroid being rotatablely installed inside the outer sphere, the bottom of the interior spheroid are provided with clump weight, and the counterweight
The outward opening of block from the outer sphere protrudes out, and the diameter of the clump weight is less than the diameter of the opening, and the laser pen is set
It is placed in the top of the clump weight, power straight down is applied in the interior spheroid by the clump weight, to drive in described
Sphere rotates up to the clump weight straight down relative to the outer sphere, so that laser pen correspondence is vertically arranged, from
And it realizes automatic rotation and adjusts and issue laser straight up.
3. the measuring tool of pile foundation hole perpendicularity as claimed in claim 2, which is characterized in that the outer sphere and the interior ball
There is setting gap between body, be filled with several steel balls in the gap between the outer sphere and the interior spheroid.
4. the measuring tool of pile foundation hole perpendicularity as claimed in claim 2, which is characterized in that fixation plugs in the interior spheroid
There is hollow pipe, laser pen is installed inside the hollow pipe, the bottom of the hollow pipe is fixedly connected with the clump weight.
5. the measuring tool of pile foundation hole perpendicularity as claimed in claim 2, which is characterized in that the interior spheroid and the ectosphere
The position that the top of body corresponds to the laser pen is provided with glass cover.
6. the measuring tool of pile foundation hole perpendicularity as described in claim 1, which is characterized in that between the outside of the regulating mechanism
Every being provided with several screw rods, the end correspondence of the screw rod is screwed with casing, the screw rod is adjusted by screwing described sleeve pipe
With the length of described sleeve pipe intersection, and then fixed described sleeve pipe is in the locating piece, to realize the regulating mechanism
Position adjust.
7. the measuring tool of pile foundation hole perpendicularity as claimed in claim 6, which is characterized in that the locating piece is steel reinforcement cage,
It is bound by several reinforcing bars；
Described sleeve pipe is fixedly connected with fixture block far from the end of the screw rod, and the reinforcing bar of the steel reinforcement cage is placed in by described sleeve pipe
The upper and described fixture block correspondence blocks the reinforcing bar, so that Laser emission dress fixed frame is set to the steel reinforcement cage.
8. the measuring tool of pile foundation hole perpendicularity as claimed in claim 4, which is characterized in that the screw rod is symmetrically disposed on institute
State the outside of regulating mechanism.
9. a kind of application method of the measuring tool of pile foundation hole perpendicularity as described in claim 1, which is characterized in that including as follows
Step:
S11. the position of the regulating mechanism according to the diameter adjustment of the locating piece, so that the regulating mechanism is positioned at described fixed
On the center line of position part；
S12. the locating piece is transferred to the bottom of the pile foundation hole, is measured the pile foundation hole opening and is sent out by the regulating mechanism
The distance between the center of the position of the laser penetrated and pile foundation hole opening, and then be calculated according to the distance described
The verticality of pile foundation hole.
10. the application method of the measuring tool of pile foundation hole perpendicularity as claimed in claim 8, which is characterized in that the adjusting machine
Screw rod is provided on the outside of structure, and the end of the screw rod is screwed with casing, the end of described sleeve pipe is installed with fixture block, described fixed
Position part is steel reinforcement cage；
Described sleeve pipe is screwed to change the length of the screw rod Yu described sleeve pipe lap, enable the regulating mechanism with
The center of the locating piece is overlapped, and then described sleeve pipe is set up on the reinforcing bar of the steel reinforcement cage and is blocked using the fixture block
The reinforcing bar, so that the regulating mechanism fixed frame is set in the locating piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910597677.0A CN110424951A (en) | 2019-07-04 | 2019-07-04 | The measuring tool and its application method of pile foundation hole perpendicularity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910597677.0A CN110424951A (en) | 2019-07-04 | 2019-07-04 | The measuring tool and its application method of pile foundation hole perpendicularity |
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| Publication Number | Publication Date |
|---|---|
| CN110424951A true CN110424951A (en) | 2019-11-08 |
Family
ID=68410252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910597677.0A Pending CN110424951A (en) | 2019-07-04 | 2019-07-04 | The measuring tool and its application method of pile foundation hole perpendicularity |
Country Status (1)
| Country | Link |
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| CN (1) | CN110424951A (en) |
Cited By (3)
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|---|---|---|---|---|
| CN111005412A (en) * | 2019-12-30 | 2020-04-14 | 中交路桥建设有限公司 | Centering device, structure and installation method for pile foundation reinforcement cage installation |
| CN111220089A (en) * | 2019-11-25 | 2020-06-02 | 张卫锋 | Pile foundation pore-forming shape and perpendicularity detection device and detection method thereof |
| CN116858190A (en) * | 2023-06-28 | 2023-10-10 | 中煤科工集团武汉设计研究院有限公司 | Intelligent vertical detection equipment for building engineering construction |
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| CN111220089A (en) * | 2019-11-25 | 2020-06-02 | 张卫锋 | Pile foundation pore-forming shape and perpendicularity detection device and detection method thereof |
| CN111220089B (en) * | 2019-11-25 | 2021-06-25 | 钱野 | Pile foundation pore-forming shape and perpendicularity detection device and detection method thereof |
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| CN111005412A (en) * | 2019-12-30 | 2020-04-14 | 中交路桥建设有限公司 | Centering device, structure and installation method for pile foundation reinforcement cage installation |
| CN111005412B (en) * | 2019-12-30 | 2024-05-28 | 中交路桥建设有限公司 | Pile foundation reinforcement cage installation centering device, structure and installation method |
| CN116858190A (en) * | 2023-06-28 | 2023-10-10 | 中煤科工集团武汉设计研究院有限公司 | Intelligent vertical detection equipment for building engineering construction |
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Application publication date: 20191108 |