CN110565615A - Rotating blade type settlement ring, layered settlement observation device based on settlement ring and burying method of layered settlement observation device - Google Patents
Rotating blade type settlement ring, layered settlement observation device based on settlement ring and burying method of layered settlement observation device Download PDFInfo
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- CN110565615A CN110565615A CN201910803986.9A CN201910803986A CN110565615A CN 110565615 A CN110565615 A CN 110565615A CN 201910803986 A CN201910803986 A CN 201910803986A CN 110565615 A CN110565615 A CN 110565615A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000000670 limiting effect Effects 0.000 claims abstract description 74
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 239000002689 soil Substances 0.000 claims abstract description 38
- 238000004062 sedimentation Methods 0.000 claims abstract description 16
- 230000009471 action Effects 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 238000005553 drilling Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/022—Investigation of foundation soil in situ before construction work by investigating mechanical properties of the soil
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- Analytical Chemistry (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a rotary vane type settlement ring, a layered settlement observation device based on the same and an embedding method of the layered settlement observation device, wherein the layered settlement observation device comprises the rotary vane type settlement ring, a guide pipe and a pipe hoop, the rotary vane type settlement ring is slidably sleeved on the guide pipe, the pipe hoop is fixedly sleeved on the guide pipe, and when the guide pipe is inserted into a foundation, the pipe hoop can limit the upward sliding position of the rotary vane type settlement ring; the blades on the sedimentation ring are provided with limiting guide holes, and when the blades are in a closed state, the steel wires penetrate through the limiting guide holes on the blades to keep the blades in the closed state; after embedding, pulling the steel wire upwards, and opening the blades at a certain angle under the action of a spring on the inner sides of the blades so that part of the blades transversely cut into the surrounding soil; then the guide pipe is rotated in the opposite direction of the opening of the blades to drive the rotating blade type settlement ring to rotate, and the blades are gradually inserted into the soil under the action of soil resistance until the position of the limiting plate is reached, so that the blades are completely cut into the surrounding soil.
Description
Technical Field
The invention belongs to the field of geotechnical engineering monitoring, and particularly relates to a rotating blade type settlement ring, a layered settlement observation device based on the settlement ring and an embedding method of the layered settlement observation device.
Background
In the foundation reinforced by the drainage consolidation method, the observation of the layered settlement of the foundation is carried out, so that the method not only can be used for controlling the loading rate and evaluating the reinforcing effect, but also can carry out inversion analysis on the original calculation process by utilizing the settlement data of each layer of soil, thereby providing a basis for design optimization.
The current common layered settlement observation method is to bury a guide pipe and a layered settlement ring, measure the elevation of the layered settlement ring by using an observation instrument each time, and further convert the foundation settlement through the change of the elevation. The most important point of measurement by adopting the method is to ensure that the settlement of the layered settlement ring can be consistent with that of a corresponding soil layer. The existing layered settlement ring adopts an elastic sheet type, three iron bars are fixed around the layered settlement ring, the iron bars are bent to a certain angle when being buried, the iron bars and a layered settlement pipe are buried to a corresponding elevation together, and the layered settlement ring is fixed on a corresponding soil layer by utilizing the force generated by the contact of the tail ends of the iron bars and a soil body. The diameter of the drilled hole is large, the depth of the iron bar penetrating into the soil body is limited, and the iron bar is mainly in point contact with the soil, so that the layered settlement ring and foundation soil are difficult to maintain consistent settlement, and meanwhile, due to the problems of shrinkage, collapse and the like of the foundation, the layered settlement ring often sinks along with the soil body of the collapsed hole in the early stage, and the problem of inaccurate burying position of the layered settlement ring is caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a rotary blade type settlement ring, a layered settlement observation device based on the settlement ring and a burying method of the layered settlement observation device, which can solve the problem that layered settlement and soil body settlement are inconsistent due to the fact that the layered settlement ring is not in close contact with the soil body, and ensure the accuracy of layered settlement measurement.
The invention is realized by the following technical scheme:
A rotary blade type settlement ring comprises a magnetic guide ring (2), a blade tray (3) and blades (4), wherein the blade tray (3) is coaxially and fixedly arranged on the outer wall of the magnetic guide ring (2), and the tail ends of the blades (4) are arranged on the blade tray (3) through hinges (5); a limiting plate (7) is arranged at the tail end of the blade (4) on the blade tray (3) and used for limiting the opening angle of the blade (4); a spring (6) is arranged on the inner side of the head end of the blade (4), one end of the spring (6) is fixed on the blade (4), when the blade (4) is in an initial closed state, the other end of the spring (6) is abutted against the outer wall of the magnetic guide ring (2), and elastic repulsion between the blade (4) and the magnetic guide ring (2) is provided through the spring (6);
The blade (4) is provided with a first limiting guide hole (8-1), the blade tray (3) is provided with a second limiting guide hole (8-2), when the blade (4) is in an initial closing state, the blade (4) is provided with the first limiting guide hole (8-1) which is overlapped with the second limiting guide hole (8-2) on the blade tray (3), a steel wire is inserted into the overlapped first limiting guide hole (8-1) and the second limiting guide hole (8-2) to enable the blade (4) to be in the initial closing state, after the steel wire is pulled out, the first limiting guide hole (8-1) and the second limiting guide hole (8-2) lose the limiting effect of the steel wire, and under the elastic force of the spring (6), the blade (4) can be opened at a certain angle;
The inner wall of the magnetic guide ring (2) is provided with a guide groove (2-1) matched with the raised guide rail on the outer wall of the guide pipe, the groove of the guide groove is axially arranged along the magnetic guide ring, and the magnetic guide ring is matched with the raised guide rail on the outer wall of the guide pipe to limit the rotational freedom between the magnetic guide ring and the guide pipe, but not limit the longitudinal freedom, so that the magnetic guide ring can vertically slide up and down along the guide pipe of the guide groove.
in above-mentioned technical scheme, the quantity of guide slot is preferred 3, holds the circumference and arranges, and the quantity of protruding guide rail on the guide tube outer wall also is 3, with 3 guide slots one-to-one, be sliding fit between guide slot and the protruding guide rail.
In the technical scheme, the number of the blades (4) is preferably 3, and the blades are distributed on the blade tray (3) along the circumference; the tail part of each blade (4) is correspondingly provided with a limiting plate (7) respectively.
In the above technical solution, the magnetic guide ring is preferably: 75mm outside diameter, 55mm inside diameter, and 25mm height.
in the technical scheme, the blades are made of iron sheets, the thickness of the blades is 2mm, and the width of the blades is 16.5 mm.
in above-mentioned technical scheme, the blade tray adopts the iron sheet, and thickness is 2mm, and the external diameter is 108mm, and the blade tray is integral structure with magnetism guide ring.
In the technical scheme, the diameters of the first limiting guide hole (8-1) and the second limiting guide hole (8-2) are 2-3 mm, the steel wire is a whole steel wire, the diameter is 1-2mm, no joint is arranged, and the standard that the steel wire can be smoothly drawn out is taken out.
a layered settlement observation device based on a rotary blade type settlement ring comprises the rotary blade type settlement ring, a guide pipe (1), a pipe hoop (9) and a steel wire (10), wherein the rotary blade type settlement rings are sequentially sleeved on the guide pipe (1) in a sliding mode, a raised guide rail (1-1) arranged along the length direction of the guide pipe is arranged on the outer wall of the guide pipe (1), and a guide groove (2-1) of each rotary blade type settlement ring is in sliding fit with the raised guide rail (1-1); the number of the pipe hoops (9) is consistent with that of the rotary vane type settlement rings, one pipe hoop (9) is correspondingly arranged above each rotary vane type settlement ring, the pipe hoops are fixedly sleeved on the guide pipe (1), and when the guide pipe (1) is inserted into a foundation, the pipe hoops (9) can limit the upward sliding position of the rotary vane type settlement rings; in an initial state, all blades (4) of the rotary blade type sedimentation ring are in a closed state, a first limiting guide hole (8-1) on each blade (4) is overlapped with a second limiting guide hole (8-2) on a blade tray (3), and a steel wire (10) sequentially penetrates through the overlapped first limiting guide holes (8-1) and the second limiting guide holes (8-2) of all the rotary blade type sedimentation rings on the guide pipe to keep the blades (4) in the closed state; after the rotary vane type sedimentation ring is buried, the steel wire (10) is pulled upwards, the first limiting guide hole (8-1) and the second limiting guide hole (8-2) lose the limiting effect of the steel wire, and the vane (4) can be opened at a certain angle under the elastic force action of the spring (6) of the rotary vane type sedimentation ring.
In the technical scheme, the bottom of the guide tube (1) is provided with a tube plug (11).
The specific burying method of the layered settlement observation device comprises the following steps:
The method comprises the following steps: inserting a plurality of rotary vane type settling rings into a guide pipe (1), fixedly arranging pipe hoops (9) on the guide pipe at intervals, and correspondingly arranging one rotary vane type settling ring below each pipe hoop (9) so as to control the vertical position of each rotary vane type settling ring; closing blades on the rotary blade type settlement rings, and sequentially passing through the superposed first limiting guide holes (8-1) and second limiting guide holes (8-2) of all the settlement rings on the guide tubes (1) from bottom to top by using steel wires (10) to keep the closed state of the blades (4);
Step two: drilling a hole in the foundation, vertically burying the guide pipe with the rotary blade type settlement ring assembled in the step into the hole, and enabling the bottom of the guide pipe to enter a bearing layer (12) for a certain distance;
step three: the steel wire (10) is pulled out upwards, the blades (4) can be opened at a certain angle under the elastic force of the spring (6) of the rotary blade type settlement ring, and part of the blades (4) are transversely cut into the surrounding soil body; then the guide pipe is rotated in the opposite direction of opening of the blades (4) to drive the rotation of the rotary blade type settlement ring, the blades are gradually inserted into the soil under the action of soil resistance until reaching the position of the limiting plate (7), so that the blades (4) are completely cut into the surrounding soil body, and the rotary blade type settlement ring is tightly combined with the surrounding soil body to be buried.
The invention has the advantages and beneficial effects that:
The blades are opened by utilizing the rotation of the blades and are inserted into the soil, the contact mode of the settlement ring and the soil body in the settlement direction is changed from point contact to surface contact, the embedded elevation of the settlement ring is not influenced by a collapsed hole to cause deviation, the settlement ring and the soil body can keep consistent deformation, and the accuracy of layered settlement observation is greatly improved.
The rotary blade type settlement ring is simple in structure and convenient to use, and can ensure that the blades can be completely and transversely cut into a soil body; the steel wire sequentially penetrates through the superposed first limiting guide hole and the superposed second limiting guide hole of all the rotating blade type sedimentation rings on the guide pipe, so that the closed state of the blades of the sedimentation rings can be maintained; after embedding, pulling the steel wire upwards, and opening the blades at a certain angle under the elastic force of the spring of the rotary blade type settlement ring to enable part of the blades to transversely cut into the surrounding soil body; then the guide pipe is rotated in the opposite direction of the opening of the blades to drive the rotation of the rotating blade type settlement ring, the blades are gradually inserted into the soil under the action of soil resistance until reaching the position of the limiting plate, so that the blades are completely cut into the surrounding soil body, and the rotating blade type settlement ring is tightly combined with the surrounding soil body to be buried.
Drawings
Fig. 1 is a schematic structural view of a rotary vane type settling ring of the present invention in a closed state.
Fig. 2 is a schematic view of the structure of the rotary vane type settlement ring of the present invention after it is completely opened.
Fig. 3 is a schematic structural diagram of the initial state of the layered settlement observation device of the present invention.
FIG. 4 is a schematic view showing the structure of the layered settlement observation apparatus of the present invention after it is buried.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
in order to make the technical solution of the present invention better understood, the technical solution of the present invention is further described below with reference to specific examples.
Example one
referring to fig. 1 and 2, the rotary vane type settlement ring comprises a magnetic guide ring 2, a vane tray 3 and vanes 4, wherein the vane tray 3 is coaxially and fixedly arranged on the outer wall of the magnetic guide ring 2, and the tail ends of the vanes 4 are installed on the vane tray 3 through hinges 5; a limiting plate 7 is arranged at the tail end of the blade 4 on the blade tray 3 and used for limiting the opening angle of the blade 4; the inboard of blade 4 head end is provided with spring 6, and the one end of spring is fixed on blade 4, and when the blade was in initial closed condition, the other end top of spring 6 touched on magnetic guide ring 2 outer wall, provides the elastic repulsion between blade 4 and the magnetic guide ring 2 through spring 6.
The blade 4 is provided with a first limiting guide hole 8-1, the blade tray 3 is provided with a second limiting guide hole 8-2, when the blade 4 is in an initial closed state, the first limiting guide hole 8-1 is arranged on the blade 4 and is overlapped with the second limiting guide hole 8-2 on the blade tray 3, a steel wire is inserted into the overlapped first limiting guide hole 8-1 and the second limiting guide hole 8-2 to enable the blade 4 to keep the initial closed state, after the steel wire is pulled out, the first limiting guide hole 8-1 and the second limiting guide hole 8-2 lose the limiting effect of the steel wire, and the blade 4 can be opened for a certain angle under the elastic force action of the spring 6.
The inner wall of the magnetic guide ring 2 is provided with a guide groove 2-1 which is used for being matched with a convex guide rail on the outer wall of the guide pipe (namely, the outer wall of the guide pipe 1 is provided with the convex guide rail 1-1 which is arranged along the length direction of the guide pipe), the groove of the guide groove is axially arranged along the magnetic guide ring, and the magnetic guide ring is matched with the convex guide rail on the outer wall of the guide pipe through the guide groove, so that the rotational freedom degree between the magnetic guide ring and the guide pipe is limited, but the longitudinal freedom degree is not limited, and the magnetic guide ring can vertically. Furthermore, the quantity of guide slot is preferred 3, holds the circumference and arranges, and the quantity of protruding guide rail on the guiding tube outer wall also is 3, with 3 guide slots one-to-one, be sliding fit between guide slot and the protruding guide rail.
Further, the number of the blades 4 is preferably 3, and the blades are distributed on the blade tray 3 along the circumference; the tail part of each blade 4 is correspondingly provided with a limiting plate 7.
further, the magnetic guide ring is preferably: 75mm outside diameter, 55mm inside diameter, and 25mm height.
Furthermore, the blade is made of iron sheets, the thickness of the blade is 2mm, and the width of the blade is 16.5 mm.
Furthermore, the blade tray is made of iron sheets, the thickness of the blade tray is 2mm, the outer diameter of the blade tray is 108mm, and the blade tray and the magnetic guide ring are of an integral structure.
Furthermore, the diameters of the first limiting guide hole 8-1 and the second limiting guide hole 8-2 are 2 mm-3 mm, the steel wire is a whole steel wire, the diameter is 1-2mm, no joint exists, and the steel wire can be smoothly drawn out.
example two
Referring to the attached drawings 3 and 4, the layered settlement observation device based on the rotary blade type settlement ring comprises the rotary blade type settlement ring, a guide pipe 1, a pipe hoop 9 and a steel wire 10, wherein a plurality of rotary blade type settlement rings are sequentially sleeved on the guide pipe 1 in a sliding manner, a raised guide rail 1-1 arranged along the length direction of the guide pipe is arranged on the outer wall of the guide pipe 1, and a guide groove 2-1 of each rotary blade type settlement ring is in sliding fit with the raised guide rail 1-1; the number of the pipe hoops 9 is consistent with that of the rotary vane type settlement rings, one pipe hoop 9 is correspondingly arranged above each rotary vane type settlement ring, the pipe hoops are fixedly sleeved on the guide pipe 1, and the pipe hoops 9 can limit the upward sliding position of the rotary vane type settlement rings in the process that the guide pipe 1 is inserted into a foundation; in an initial state, all the blades 4 of the rotary blade type sedimentation ring are in a closed state, a first limit guide hole 8-1 on each blade 4 is overlapped with a second limit guide hole 8-2 on the blade tray 3, and a steel wire 10 sequentially penetrates through the overlapped first limit guide holes 8-1 and the second limit guide holes 8-2 of all the rotary blade type sedimentation rings on the guide pipe to keep the blades 4 in the closed state; after the steel wire 10 is buried, the steel wire 10 is pulled upwards, the first limiting guide hole 8-1 and the second limiting guide hole 8-2 lose the limiting effect of the steel wire, and the blades 4 can be opened at a certain angle under the elastic force action of the spring 6 of the rotary blade type sedimentation ring.
Further, the bottom of the guiding tube 1 is provided with a tube plug 11.
EXAMPLE III
The specific burying method of the layered settlement observation device comprises the following steps:
The method comprises the following steps: inserting a plurality of rotary vane type settling rings into a guide pipe 1, arranging a pipe plug 11 at the bottom of the guide pipe to prevent mud from entering the guide pipe, fixedly arranging pipe hoops 9 on the guide pipe at intervals, and correspondingly arranging one rotary vane type settling ring below each pipe hoop 9 so as to control the vertical position of each rotary vane type settling ring; closing blades on the rotary blade type sedimentation rings, and sequentially passing through the superposed first limiting guide hole 8-1 and second limiting guide hole 8-2 of all the sedimentation rings on the guide pipe 1 from bottom to top by using a steel wire 10 to keep the blades 4 in a closed state;
Step two: drilling a hole in the foundation, vertically burying the guide pipe with the rotary blade type settlement ring assembled in the step into the hole, enabling the bottom of the guide pipe to enter the bearing layer 12 for a certain distance, and continuously filling clear water into the guide pipe in the burying process to keep the balance between gravity and buoyancy;
Step three: the steel wire is pulled out upwards, the blades 4 can be opened at a certain angle under the elastic force of the spring 6 of the rotary blade type settlement ring, and part of the blades 4 transversely cut into the surrounding soil body; then the guide pipe is rotated in the opposite direction of opening of the blades 4 to drive the rotation of the rotating blade type settlement ring, the blades are gradually inserted into the soil under the action of soil resistance until reaching the position of the limiting plate 7, so that the blades 4 are completely cut into the surrounding soil body, and the rotating blade type settlement ring is tightly combined with the surrounding soil body to be buried.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The invention has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the invention fall within the scope of the invention.
Claims (10)
1. A rotary vane type settlement ring is characterized in that: the device comprises a magnetic guide ring (2), a blade tray (3) and blades (4), wherein the blade tray (3) is coaxially and fixedly arranged on the outer wall of the magnetic guide ring (2), and the tail ends of the blades (4) are arranged on the blade tray (3) through hinges (5); a limiting plate (7) is arranged at the tail end of the blade (4) on the blade tray (3) and used for limiting the opening angle of the blade (4); a spring (6) is arranged on the inner side of the head end of the blade (4), one end of the spring (6) is fixed on the blade (4), when the blade (4) is in an initial closed state, the other end of the spring (6) is abutted against the outer wall of the magnetic guide ring (2), and elastic repulsion between the blade (4) and the magnetic guide ring (2) is provided through the spring (6);
the blade (4) is provided with a first limiting guide hole (8-1), the blade tray (3) is provided with a second limiting guide hole (8-2), when the blade (4) is in an initial closing state, the blade (4) is provided with the first limiting guide hole (8-1) which is overlapped with the second limiting guide hole (8-2) on the blade tray (3), a steel wire is inserted into the overlapped first limiting guide hole (8-1) and the second limiting guide hole (8-2) to enable the blade (4) to be in the initial closing state, after the steel wire is pulled out, the first limiting guide hole (8-1) and the second limiting guide hole (8-2) lose the limiting effect of the steel wire, and under the elastic force of the spring (6), the blade (4) can be opened at a certain angle;
The inner wall of the magnetic guide ring (2) is provided with a guide groove (2-1) matched with the raised guide rail on the outer wall of the guide pipe, the groove of the guide groove is axially arranged along the magnetic guide ring, and the magnetic guide ring is matched with the raised guide rail on the outer wall of the guide pipe to limit the rotational freedom between the magnetic guide ring and the guide pipe, but not limit the longitudinal freedom, so that the magnetic guide ring can vertically slide up and down along the guide pipe of the guide groove.
2. the rotating vane settler ring as claimed in claim 1, wherein: the quantity of guide slot is preferred 3, holds the circumference and arranges, and the quantity of protruding guide rail on the guiding tube outer wall also is 3, with 3 guide slots one-to-one, be sliding fit between guide slot and the protruding guide rail.
3. The rotating vane settler ring as claimed in claim 1, wherein: the number of the blades (4) is preferably 3, and the blades are distributed on the blade tray (3) along the circumference; the tail part of each blade (4) is correspondingly provided with a limiting plate (7) respectively.
4. The rotating vane settler ring as claimed in claim 1, wherein: the magnetic guide ring is preferably: 75mm outside diameter, 55mm inside diameter, and 25mm height.
5. The rotating vane settler ring as claimed in claim 1, wherein: the blade is made of iron sheet, the thickness is 2mm, and the width is 16.5 mm.
6. the rotating vane settler ring as claimed in claim 1, wherein: the blade tray and the magnetic guide ring are of an integral structure.
7. The rotating vane settler ring as claimed in claim 1, wherein: the diameters of the first limiting guide hole (8-1) and the second limiting guide hole (8-2) are 2-3 mm, the steel wire is a whole steel wire, the diameter is 1-2mm, and the steel wire can be smoothly drawn out.
8. the utility model provides a layered settlement observation device based on rotatory blade formula settlement ring which characterized in that: the rotary vane type settling ring comprises the rotary vane type settling ring as claimed in claim 1, a guide pipe (1), a pipe hoop (9) and a steel wire (10), wherein the rotary vane type settling ring is sequentially sleeved on the guide pipe (1) in a sliding manner, a raised guide rail (1-1) arranged along the length direction of the guide pipe is arranged on the outer wall of the guide pipe (1), and a guide groove (2-1) of the rotary vane type settling ring is in sliding fit with the raised guide rail (1-1); the number of the pipe hoops (9) is consistent with that of the rotary vane type settlement rings, one pipe hoop (9) is correspondingly arranged above each rotary vane type settlement ring, the pipe hoops are fixedly sleeved on the guide pipe (1), and when the guide pipe (1) is inserted into a foundation, the pipe hoops (9) can limit the upward sliding position of the rotary vane type settlement rings; in an initial state, all blades (4) of the rotary blade type sedimentation ring are in a closed state, a first limiting guide hole (8-1) on each blade (4) is overlapped with a second limiting guide hole (8-2) on a blade tray (3), and a steel wire (10) sequentially penetrates through the overlapped first limiting guide holes (8-1) and the second limiting guide holes (8-2) of all the rotary blade type sedimentation rings on the guide pipe to keep the blades (4) in the closed state; after the rotary vane type sedimentation ring is buried, the steel wire (10) is pulled upwards, the first limiting guide hole (8-1) and the second limiting guide hole (8-2) lose the limiting effect of the steel wire, and the vane (4) can be opened at a certain angle under the elastic force action of the spring (6) of the rotary vane type sedimentation ring.
9. The layered settlement observation device based on the rotary vane type settlement ring according to claim 8, wherein the bottom of the guide pipe (1) is provided with a pipe plug (11).
10. The burying method of the layered settlement observation apparatus according to claim 8, comprising the steps of:
The method comprises the following steps: inserting a plurality of rotary vane type settling rings into a guide pipe (1), fixedly arranging pipe hoops (9) on the guide pipe at intervals, and correspondingly arranging one rotary vane type settling ring below each pipe hoop (9) so as to control the vertical position of each rotary vane type settling ring; closing blades on the rotary blade type settlement rings, and sequentially passing through the superposed first limiting guide holes (8-1) and second limiting guide holes (8-2) of all the settlement rings on the guide tubes (1) from bottom to top by using steel wires (10) to keep the closed state of the blades (4);
Step two: drilling a hole in the foundation, vertically burying the guide pipe with the rotary blade type settlement ring assembled in the step into the hole, and enabling the bottom of the guide pipe to enter a bearing layer (12) for a certain distance;
Step three: the steel wire (10) is pulled out upwards, the blades (4) can be opened at a certain angle under the elastic force of the spring (6) of the rotary blade type settlement ring, and part of the blades (4) are transversely cut into the surrounding soil body; then the guide pipe is rotated in the opposite direction of opening of the blades (4) to drive the rotation of the rotary blade type settlement ring, the blades are gradually inserted into the soil under the action of soil resistance until reaching the position of the limiting plate (7), so that the blades (4) are completely cut into the surrounding soil body, and the rotary blade type settlement ring is tightly combined with the surrounding soil body to be buried.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910803986.9A CN110565615A (en) | 2019-08-28 | 2019-08-28 | Rotating blade type settlement ring, layered settlement observation device based on settlement ring and burying method of layered settlement observation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910803986.9A CN110565615A (en) | 2019-08-28 | 2019-08-28 | Rotating blade type settlement ring, layered settlement observation device based on settlement ring and burying method of layered settlement observation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832223A (en) * | 2021-01-07 | 2021-05-25 | 武汉市汉阳市政建设集团有限公司 | Rotary type layered settlement magnetic ring and settlement monitoring method thereof matched with settling tube |
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| CN210797518U (en) * | 2019-08-28 | 2020-06-19 | 中交天津港湾工程研究院有限公司 | Rotary blade type sedimentation ring |
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| CN102953365A (en) * | 2012-11-23 | 2013-03-06 | 同济大学 | Multilayer blade-typed multipoint displacement metre anchor head used for soft soil layer |
| CN103196423A (en) * | 2013-04-01 | 2013-07-10 | 水利部交通运输部国家能源局南京水利科学研究院 | Settlement ring for precise self-positioning of layered settlement monitoring system and use method of settlement ring |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112832223A (en) * | 2021-01-07 | 2021-05-25 | 武汉市汉阳市政建设集团有限公司 | Rotary type layered settlement magnetic ring and settlement monitoring method thereof matched with settling tube |
| CN112832223B (en) * | 2021-01-07 | 2022-08-26 | 武汉市汉阳市政建设集团有限公司 | Rotary type layered settlement magnetic ring and settlement monitoring method matched with settlement pipe |
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