CN208721031U - Deeply mixing cement-soil pile monitoring device - Google Patents
Deeply mixing cement-soil pile monitoring device Download PDFInfo
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- CN208721031U CN208721031U CN201821351882.6U CN201821351882U CN208721031U CN 208721031 U CN208721031 U CN 208721031U CN 201821351882 U CN201821351882 U CN 201821351882U CN 208721031 U CN208721031 U CN 208721031U
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Abstract
The utility model discloses deeply mixing cement-soil pile monitoring devices comprising a steel sleeve, a mounting rod and the inclination angle detecting means being mounted on mounting rod;The steel sleeve includes bottom closing, upper end with the sealing cover on the steel straight tube and Gai Gang straight tube of import;The inclination angle detecting means include mounting portion and the obliquity sensor that is mounted on mounting portion, and mounting portion has the abutment end being resisted against on steel straight tube inner surface, and inclination angle detecting means can generate inclination with the bending of steel sleeve.Above scheme efficiently reduces monitoring error, improves monitoring accuracy, improves safety when Underground Construction.
Description
Technical field
It is the technical solution about underground engineering monitoring field the present invention relates to a kind of deeply mixing cement-soil pile monitoring device.
Background technique
Deeply mixing cement-soil pile monitoring refers to be moved using instrument and equipment monitoring the earth inner horizontal, is widely used in side slope, cunning
In slope and deep basic pit project in city monitoring.Such as the lateral movement around unsteady side slope or excavation work, Soft Ground, road
Dike, dykes and dams, core wall stability, the deviation for the setting that drills, the displacement of surrounding soil caused by driving piles, and backfill fill and underground work
The soil body depression of journey, it can also be used to coastal, soil layer variation of riverside gravity storage object field etc..
Currently used deeply mixing cement-soil pile measurement method is traditional inclinometer measurement, is first bored in the soil body of monitoring position
Hole, then by among inclinometer pipe embedment drilling, so that inclinometer pipe is followed ontology compatible deformation, visited using Digital Ortho activity inclinometer
Head controls cable, pulley gear and readout instrument to observe the deformation of inclinometer pipe.When observation, probe deviational survey bottom of the tube is moved to top
It is dynamic, suspend at half meter of spacing and measures inclined work.The gradient of probe by two stress balances servo accelerometer
Measurement gained, gradient can be converted lateral displacement, thus the horizontal displacement of the cumulative soil body out.
More piece connectionless pipeline or hinged is usually used in the mounting portion of current horizontal displacement measuring device
Pipeline, obliquity sensor is installed in mounting portion, horizontal displacement measuring device is disposed in the position for needing Deformation Monitoring,
When monitored part deforms, the mounting portion of horizontal displacement measuring device can synchronize run-off the straight, cause to be mounted on mounting portion
The synchronous run-off the straight of interior obliquity sensor, it is possible thereby to detect corresponding deformation.But due to nothing between each pipeline
It connects or uses hingedly, inclination caused by gradient caused by pipeline and deformation position is not identical, can also generate sometimes
Biggish error keeps the error of monitoring result larger.
Summary of the invention
To solve the above problems, the monitoring device can be effectively reduced present invention firstly provides a kind of monitoring device
Error is monitored, monitoring accuracy is improved, improves safety when Underground Construction, specific technical solution is as follows:
Deeply mixing cement-soil pile monitoring device comprising one has the sealing steel sleeve of inner cavity, a mounting rod and removably
At least two inclination angle detecting means being mounted on mounting rod;
The steel sleeve includes that bottom closing, upper end have the steel straight tube and hermetically Gai Gang in direct rod shape of an import
Sealing cover in the import of straight tube;Through the import, above-mentioned inclination angle detecting means are installed in steel sleeve by the mounting rod;
The inclination angle detecting means include mounting portion and the obliquity sensor that is fixedly mounted on the mounting portion, the mounting portion it is outer
Surface has at least three abutment ends, and when the inclination angle detecting means are mounted in steel sleeve, at least three on mounting portion are supported
On the inner peripheral surface that end is resisted against steel sleeve, when steel sleeve bends under external force, under the drive of steel sleeve, incline
Angle detecting means can synchronize generation inclination;The data output end of each obliquity sensor is connected with the data line of outside output signal,
Data line uses universal serial bus;
At least two inclination angle detecting means are arranged along the length direction interval of mounting rod;
Data line sealingly extends through the outside that steel sleeve is reached after steel sleeve.
Preferably, the mounting portion is a positioning box, and the obliquity sensor is mounted in the positioning box.
In this application, monitoring device uses steel sleeve, the main body of the steel sleeve be one be in direct rod shape steel straight tube, and
It is mounted with mounting rod and inclination angle detecting means in steel sleeve, inclination angle detecting means are located in steel sleeve using mounting rod, inclination angle
The mounting portion of detecting means can be resisted against on the medial surface of steel sleeve, and when in use, which is to be directly anchored to monitor
The side wall etc. of steel reinforcement cage, prefabricated pile in the supporting construction of areas adjacent, such as in present walling pile.In the pressure of the external soil body
Under, when these supporting construction deform, identical deformation can also occur for the steel sleeve of monitoring device attached thereto, by
This causes the position of the obliquity sensor in steel sleeve that can synchronize to change, and obliquity sensor can convert phase for these variations
The signal answered is sent to corresponding processing unit.
Compared with existing monitoring device, due to being deformed in accompanying supporting construction only with a steel sleeve
When, it may occur that identical deformation, and existing monitoring device uses connectionless or radial type short duct as casing, due to end pipe
Limitation suffered by the both ends in road is weaker or not by till now, when supporting construction deforms, is attached in supporting construction
Short duct caused by gradient and the gradient at place it is not identical, make the obliquity sensor being mounted in short duct institute
The gradient and actual inclination monitored has biggish error.In the application, an only steel sleeve will not generate above-mentioned ask
It inscribes, the obliquity sensor in steel sleeve more can accurately detect the heeling condition at place, according to obtained by these data
The delta data of the soil bodys is just more accurate outside the foundation pit arrived etc..Steel sleeve is integrally in seal shape, can efficiently reduce or even keep away
Exempt from the external soil body and water body and adverse effect is caused to the obliquity sensor in steel sleeve.
To stretch out steel sleeve convenient for data line, line outlet groove is offered at the top of steel straight tube, which runs through steel straight tube
Tube wall and extend upward through the upper surface of steel straight tube, the data line hermetically stretches out outside steel sleeve through the line outlet groove.
Preferably, the steel straight tube is round tube, and the axis direction along steel straight tube is observed, and the mounting portion is in rectangle, installation
Four of portion become abutment end along the side that the axis direction of steel straight tube extends.
Steel straight tube is made using round tube, and sets rectangle for mounting portion, using four sides of mounting portion become against
End not only convenient for inclination angle detecting means are installed in steel sleeve, and also will form between the mounting portion and the inner wall of steel sleeve
Bowed space, a space at least within can become the installation space of mounting rod, keep the installation of inclination angle detecting means more square
Just.
Further, the mounting rod includes at least two connecting rods being connected in order, and passes through one between adjacent connecting rod
Articulated shaft links together;When two adjacent connecting rods extend along a straight line and when in expansion shape, two connecting rods it is opposite
End face be abutted together;Using articulated shaft as rotary shaft, two adjacent connecting rods can be superimposed together.When mounting rod needs
When recycling, connecting rod can be superimposed together through articulated shaft, shorten the length of mounting rod, be readily transported and store.
Alternatively, the mounting rod includes that at least two connecting rods being connected in order, the cross section of the mounting rod is rectangle,
At least one end of connecting rod formed interconnecting piece, along the thickness direction of mounting rod, offered on interconnecting piece a hinge hole and
At least one fixation hole;The hinge hole that one connecting shaft passes through in two adjacent connecting rods is hinged, when adjacent connection
When bar is linearly arranged, wherein at least one fixation hole in a connecting rod and at least one in another connecting rod are solid
Determine Kong Xiangtong, a bolt passes through two fixation holes communicated and fixes two connecting rods.It can be with by fixation hole and hinge hole
Two connecting rods are fixed together, and after removing the bolt being through on fixation hole, two adjacent connecting rods
It rotates and is superimposed together around connecting shaft, can equally shorten the length of mounting rod, in order to transport and store.
Connecting rod can be using band steel or being made using the steel bar that steel plate is cut into, naturally it is also possible to use aluminium sheet or
Other alloy sheets make.
For the ease of mounting rod to be successfully fixed in steel sleeve, hook portion is provided at the top of mounting rod, the hook
Extension portion is hooked on the top of steel straight tube.Mounting rod can be not only fixed in steel sleeve using the hook portion, and being convenient for will
Mounting rod and inclination angle detecting means take out recycling out of steel sleeve.
Outer convenient transportation and storage, steel straight tube include at least two sections of short tubes to link together by thread seal.
To reach statement purpose, the application method of above-mentioned deeply mixing cement-soil pile monitoring device also proposed in this application,
Include the following steps:
(1) steel straight tube is buried to setting position;At least two inclination angle detecting means are spaced along its length and are installed to
It fills on bar, the data port of obliquity sensor is connected on data line;
(2) mounting rod is extend into steel straight tube, and it is straight so that the abutment end on the mounting portion of inclination angle detecting means is resisted against steel
On the inner peripheral surface of pipe, the data output end of data line is stretched out into steel straight tube, sealing cover is installed;
(3) debugging and data acquisition;
(4) after the completion of data acquisition, mounting rod is taken out, and take out inclination angle detecting means simultaneously.
Specifically, the steel straight tube is embedded in bored concrete pile, which has steel reinforcement cage, which is fixed on reinforcing bar
On cage, when being poured bored concrete pile, steel straight tube is sunk in the stake holes of bored concrete pile with steel reinforcement cage, in the casting for completing bored concrete pile
Afterwards, steel straight tube is fixed in bored concrete pile;It, should when the piling bar is when sinking to underground or, the steel straight tube welding is on piling bar
Steel straight tube sinks to underground with piling bar;When the piling bar is recovered, which is synchronized to extract;Or it is drilled in area to be monitored
Then monitoring holes sink to steel straight tube in the monitoring holes, and steel straight tube is fixed in monitoring holes with cement slurry.
Above-mentioned piling bar can be H profile steel stake, steel sheet pile or steel-pipe pile.
Using when by the way of area to be monitored is drilled with monitoring holes to install steel sleeve, which can be directly drilled with
The support pile of foundation pit is in the soil body of foundation pit side or support pile is in the soil cement water-seal pile of foundation pit side, works as prison
When having ponding in gaging hole, need for ponding to be discharged.
In this application method, steel straight tube is directly embedded in the place of setting, the soil body hair in the region locating for the steel straight tube
When raw horizontal displacement, these horizontal displacements can be transmitted in structure accompanying by steel straight tube, these structures can be with the level of the soil body
Displacement sends deformation, which can be transmitted on steel straight tube, makes steel straight tube that the bending deformation of part occur, and synchronization can make steel straight tube
Interior obliquity sensor can occur to tilt accordingly, and synchro measure goes out gradient and will test data to send, due to adopting
With the steel straight tube of monoblock type, and the steel straight tube is fixed in corresponding structure, can generate phase with the horizontal displacement of the soil body
The deformation answered can relatively accurately measure the horizontal displacement of the soil body.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first embodiment of the invention.
Fig. 2 is the top view removed after sealing cover in Fig. 1.
Fig. 3 is the enlarged drawing of part A in Fig. 1.
Fig. 4 is the right view of Fig. 3.
Fig. 5 is the schematic diagram after two connecting rods separation in Fig. 4, and articulated shaft therein is not shown.
Fig. 6 is the schematic diagram of second of embodiment of mounting rod.
Specific embodiment
Embodiment 1
Please refer to Fig. 1, Fig. 2, deeply mixing cement-soil pile monitoring device comprising steel sleeve 10, mounting rod 15 and be mounted on this
Several inclination angle detecting means 20 on mounting rod.Steel sleeve include a bottom 12 closing, upper end have an import in direct rod shape
Steel straight tube 11, sealing cover 13 is installed at the top of steel straight tube 11, sealing cover 13 can sealing cover steel straight tube 11 import
On, make steel sleeve 10 that there is a closing inner chamber.Import through steel straight tube 11, mounting rod 15 can carry obliquity sensor and enter
In steel straight tube 11, and it is firmly secured in steel straight tube 11.In the present embodiment, steel straight tube 11 is made of round steel pipe, i.e.,
Steel straight tube 11 is round tube.Internal screw thread 111 is formed on the outside medial surface on the top of steel straight tube 11.Sealing cover has caping
131, the externally threaded cylindrical portion 132 being meshed with above-mentioned internal screw thread 111 is formed in the downside of caping 131, through external screw thread and
Internal screw thread, sealing cover 12 are screwed on steel straight tube 11, and sealing ring 17 is equipped between sealing cover 13 and steel straight tube 11.
Line outlet groove 14 is offered at the top of steel straight tube 11, which runs through the tube wall of steel straight tube and extend upward through steel
The upper surface 113 of straight tube.The line outlet groove 14 is externally protruded for following data lines 31 from the inner cavity of steel sleeve.
In the present embodiment, if there are six inclination angle detecting means 20, exemplarily only show that two inclination angles pass in the accompanying drawings
Sense portion 20.
Each inclination angle detecting means 20 include a mounting box, which is formed as mounting portion, along the axis of steel straight tube 11
100 direction observation, the box body 211 which there is a cross section to be rectangle are provided at the top of the box body 211 and draw
Line mouth 22.An obliquity sensor 212 is fixedly installed in box body 211, the DOL Data Output Line 312 of the obliquity sensor 212 passes through
Lead wire outlet 22 stretches out mounting box, and each DOL Data Output Line is connected on a data line 31, which uses universal serial bus.
The universal serial bus stretches out steel sleeve 10 through line outlet groove 14, is equipped in one end of the stretching steel sleeve 10 of universal serial bus
Signal wire joint 311.Sealing ring 16 is cased on universal serial bus, after sealing cover 13 is screwed on steel straight tube 11, the sealing cover
13 can be pressed on sealing ring 16 in line outlet groove, the gap between line outlet groove and data line be blocked, even if data line 31 is close
Feud reaches the outside of steel sleeve after steel sleeve.
The box body 211 of mounting box is fixed on mounting rod with bolt 213, and four sides 24 of box body 211 become abutment end,
When inclination angle detecting means are installed in steel sleeve, four sides 24 of box body are resisted against on the inner peripheral surface 112 of steel straight tube 11, according to
Frictionally is maintained at box body 211 in steel straight tube 11.When steel straight tube bends under external force, in steel straight tube
Under drive, inclination angle detecting means can synchronize generation inclination.
In the present embodiment, obliquity sensor is specially single-axis sensors circuit board, axis of the circuit board along steel straight tube 11
Line direction arrangement, and after being installed to monitored position, the single-shaft inclination angle sensor circuit board is opposite to be erected with monitored
Histogram to section it is vertical.When the monitoring device in the present embodiment be mounted to margin of foundation pit support pile or other supporting construction
When middle, which is arranged along the vertical direction, and perpendicular with monitored foundation pit side-wall.It can manage
Solution, in other embodiments, obliquity sensor can also use double-shaft tilt angle sensor circuit board.
It certainly, in other embodiments, can also be using having chlamydate obliquity sensor, due to the obliquity sensor
Shell can not generally abut directly against on the inner wall of steel straight tube, it is also necessary to the transformation of adaptability be carried out, generally it is not recommended that using this
Kind has chlamydate obliquity sensor.
Fig. 3-Fig. 5 is please referred to, mounting rod 15 can be formed by connecting by several connecting rods, in the present embodiment, mounting rod
15 are specifically formed by connecting by two connecting rods, and for convenience of describing, two connecting rods are referred to as first connecting rod 151 and second
Connecting rod 156, two connecting rods are specifically all made of band steel production, it will be understood that in other embodiments, can also use steel bar
To make connecting rod, naturally it is also possible to make connecting rod using aluminium sheet or other metal plates.
In the present embodiment, two connecting rods are linked together using hinge 18, and two hinges 181,182 of hinge 18 use
Bolt 184 is separately fixed at the side at the both ends of first connecting rod 151 and the second connecting rod 156, when first connecting rod 151 and
When two connecting rods 156 linearly extend and are in expansion shape, the end face 152 of first connecting rod 151 is resisted against the second connecting rod
On 156 end face 157, since two end faces are against limiting the further rotation of two connecting rods, enable two connecting rods
It is enough to keep in a straight line.In other embodiments, the connecting rod that can also be connected in order using more roots, hinge should be spaced cloth
It sets in the opposite two sides of mounting rod, so that connecting rod can successfully be superimposed together.The hinge 18 has articulated shaft 183,
Two i.e. adjacent connecting rods are linked together by an articulated shaft.
It is appreciated that in other embodiments, the hinge of above-mentioned hinge can be directly welded in connecting rod.Or it can be with
Hinge is cancelled, directly opposite one end of two connecting rods is sheared and is bent to form the lamellar of similar hinge,
Then hinged axis connection is utilized.
In the present embodiment, mounting portion is a mounting box, it is possible to understand that in other embodiments, mounting portion can also be one
The side of flat mounting plate, the mounting plate becomes abutment end, and the plane of the mounting plate can be triangle, or four
Side shape or other polygons.
The top of mounting rod 15 is provided with hook portion 19, in the present embodiment, hook portion 19 is specifically included using bolt
It is connected to the hook 192 at the top of mounting rod 15, for linking up with the cross bar 191 of 192 hangings, in the opposite inner wall of steel straight tube 11
On offer groove 114, which extends upward through the upper surface 113 of steel straight tube 11, and the both ends of cross bar 191 are held in the ditch
Slot 114,192 hanging of hook is on cross bar 191, so that mounting rod 15 is hung in steel straight tube.In other embodiments, above-mentioned ditch
Slot may also extend through the side wall of steel straight tube, in this state, need to install seal washer between cross bar and groove, to avoid
Exterior materials enter in steel sleeve.Alternatively, two through holes can be opened up on the tube wall of the upper end of steel straight tube, and will
Cross bar passes through two through holes, is hung in hook on cross bar.Or two are welded on the inner wall of steel straight tube relatively
Boss, support cross bar on the boss, it is of course also possible to cancel cross bar, be hung in hook directly on boss, at this moment, only
One boss need to be set.After cancelling cross bar, the groove of a upward opening can also be opened up on boss, make to link up with clamping
In the groove.
Hook 192 can also be formed directly by the top curved of mounting rod.
In this embodiment, steel straight tube is using a whole steel pipe production, and is welded with pipe cap in the bottom of the steel pipe, will
It closes the bottom of steel pipe.It is appreciated that every steel straight tube can be made of at least two short tubes for the ease of transport, it is
The stiffness of steel straight tube is kept, adjacent short tube, specifically can be in the connection of two short tubes using being threaded together
Internal screw thread and external screw thread is respectively set in end;Or use nipple.It can certainly be by the way of welding by two short tubes
It links together, this steel straight tube being formed by connecting using welding manner may be considered a whole steel pipe.
Embodiment 2, the present embodiment is substantially the same manner as Example 1, and difference is that the composition of mounting rod is different.
Referring to Fig. 6, the packet of mounting rod 40 expands 4 connecting rods being connected in order, 4 connecting rods are followed successively by the by connection order
One connecting rod 41, the second connecting rod 42, third connecting rod 43 and the 4th connecting rod 44, wherein first connecting rod 41 is located at most upper
End, the upper-end bent of first connecting rod 41 form a cricoid hook 45, the work of the hook 192 in the hook 45 and embodiment 1
With identical.
It is formed with interconnecting piece 48 in the end of connecting rod, a hinge hole 401 is formed on interconnecting piece 48 and one solid
Determine hole 402, since connecting rod is made of band steel, i.e., connecting rod has a cross section being rectangle, hinge hole 401 and fixation
Hole 402 is opened up along the thickness direction of connecting rod.The hinge hole 401 of two adjacent connecting rods is hinged on one by a connecting shaft
Rise, in the present embodiment, 401 1 bolt 47 of hinge hole of two adjacent connecting rods connects, the screw rod of the bolt 47 at
For connecting shaft.
When adjacent connecting rod is linearly arranged, that is, when being in state shown in Fig. 6, the fixation of two adjacent connecting rods
Hole 402 communicates, and bolt 46 passes through two fixation holes, two adjacent connecting rods can be fixed together using bolt 46,47.
After being recycled mounting rod 40, bolt 46 is removed, then the screw rod by two adjacent connecting rods around bolt 47 carries out
Rotation, connecting rod are superimposed together, and reduce its length.Certainly, the screw rod of bolt 46 can also become connecting shaft.
In order to guarantee that connecting rod can smoothly be superimposed together, bolt 47 uses dormant bolt.
Embodiment 3
The application method of deeply mixing cement-soil pile monitoring device in embodiment 1, includes the following steps:
(1) steel straight tube is buried to setting position;At least two inclination angle detecting means are spaced along its length and are installed to
It fills on bar, the data port of obliquity sensor is connected on data line;
(2) mounting rod is extend into steel straight tube, and it is straight so that the abutment end on the mounting portion of inclination angle detecting means is resisted against steel
On the inner peripheral surface of pipe, the data output end of data line is stretched out into steel straight tube, sealing cover is installed;
(3) debugging and data acquisition;
(4) after the completion of data acquisition, mounting rod is taken out, and take out inclination angle detecting means simultaneously.
In the present embodiment, steel straight tube is embedded in bored concrete pile, which has steel reinforcement cage, which is fixed on steel
On muscle cage, when being poured bored concrete pile, steel straight tube is sunk in the stake holes of bored concrete pile with steel reinforcement cage, completes pouring for bored concrete pile
After note, steel straight tube is fixed in bored concrete pile.
It is appreciated that in other embodiments, steel straight tube can be directly welded on piling bar, when the piling bar is sinking to ground
When lower, which sinks to underground with piling bar;When the piling bar is recovered, which is synchronized to extract.Certainly, when the steel
When stake is left on underground, which can also be left on underground.Piling bar can be H profile steel stake, steel sheet pile or steel-pipe pile.
Alternatively, monitoring holes directly can be drilled in area to be monitored, then steel straight tube is sunk in the monitoring holes, and
Steel straight tube is fixed in monitoring holes with cement slurry.The monitoring holes can directly be drilled with the support pile in foundation pit away from foundation pit side
The soil body in or support pile away from foundation pit side soil cement water-seal pile in, when there is ponding in monitoring holes, need ponding
Discharge.
Equally, the deeply mixing cement-soil pile monitoring device in embodiment 2 can also be used using this method.
Claims (8)
1. deeply mixing cement-soil pile monitoring device, which is characterized in that there is the sealing steel sleeve of inner cavity, a mounting rod and can including one
At least two inclination angle detecting means being releasably mounted on mounting rod;
The steel sleeve includes that bottom closing, upper end have the steel straight tube and hermetically Gai Gang straight tube in direct rod shape of an import
Import on sealing cover;Through the import, above-mentioned inclination angle detecting means are installed in steel sleeve by the mounting rod;
The inclination angle detecting means include mounting portion and the obliquity sensor that is fixedly mounted on the mounting portion, the outer surface of the mounting portion
At least three abutment ends at least three abutment ends, when the inclination angle detecting means are mounted in steel sleeve, on mounting portion
It is resisted against on the inner peripheral surface of steel sleeve, when steel sleeve bends under external force, under the drive of steel sleeve, inclination angle is passed
Sense portion can synchronize generation inclination;The data output end of each obliquity sensor is connected with the data line of outside output signal, data
Line uses universal serial bus;
At least two inclination angle detecting means are arranged along the length direction interval of mounting rod;
Data line sealingly extends through the outside that steel sleeve is reached after steel sleeve.
2. deeply mixing cement-soil pile monitoring device according to claim 1, which is characterized in that
Line outlet groove is offered at the top of steel straight tube, which runs through the tube wall of steel straight tube and extend upward through the upper end of steel straight tube
Face, the data line hermetically stretch out outside steel sleeve through the line outlet groove.
3. deeply mixing cement-soil pile monitoring device according to claim 1, which is characterized in that the steel straight tube is round tube, edge
The axis direction of steel straight tube is observed, and the mounting portion is in rectangle, the side that four axis directions along steel straight tube of mounting portion extend
Side becomes abutment end.
4. deeply mixing cement-soil pile monitoring device according to claim 1, which is characterized in that the mounting rod includes at least two
The connecting rod that root is connected in order is linked together by an articulated shaft between adjacent connecting rod;When two adjacent connecting rods
When extending along a straight line and being in expansion shape, the opposite end face of two connecting rods is abutted together;Using articulated shaft as rotary shaft, phase
Two adjacent connecting rods can be superimposed together.
5. deeply mixing cement-soil pile monitoring device according to claim 1, which is characterized in that the mounting rod includes at least two
The cross section of the connecting rod that root is connected in order, the mounting rod is rectangle, and the end of two adjacent connecting rods links together,
It is formed with interconnecting piece on the end that connecting rod is connect with another connecting rod, along the thickness direction of mounting rod, is opened on interconnecting piece
Equipped with a hinge hole and at least one fixation hole;The hinge hole that one connecting shaft passes through in two adjacent connecting rods is hinged on
Together, when adjacent connecting rod is linearly arranged, wherein at least one fixation hole and another company in a connecting rod
At least one fixation hole on extension bar communicates, and a bolt passes through two fixation holes communicated and fixes two connecting rods.
6. deeply mixing cement-soil pile monitoring device according to claim 1, which is characterized in that be provided at the top of mounting rod
Hook portion, the hook portion are hooked on the top of steel straight tube.
7. deeply mixing cement-soil pile monitoring device according to claim 1, which is characterized in that the steel straight tube includes at least two
The short tube that section is linked together by thread seal.
8. deeply mixing cement-soil pile monitoring device according to claim 1, which is characterized in that the mounting portion is a positioning
Box, the obliquity sensor are mounted in the positioning box.
Priority Applications (1)
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CN201821351882.6U CN208721031U (en) | 2018-08-21 | 2018-08-21 | Deeply mixing cement-soil pile monitoring device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108955603A (en) * | 2018-08-21 | 2018-12-07 | 江苏东合南岩土科技股份有限公司 | Deeply mixing cement-soil pile monitoring device and application method |
CN113202085A (en) * | 2021-05-24 | 2021-08-03 | 中铁上海设计院集团有限公司 | Precast pile construction method for soft soil area |
-
2018
- 2018-08-21 CN CN201821351882.6U patent/CN208721031U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108955603A (en) * | 2018-08-21 | 2018-12-07 | 江苏东合南岩土科技股份有限公司 | Deeply mixing cement-soil pile monitoring device and application method |
CN113202085A (en) * | 2021-05-24 | 2021-08-03 | 中铁上海设计院集团有限公司 | Precast pile construction method for soft soil area |
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