CN215888361U - Device for accurately measuring sediment thickness of cast-in-place pile - Google Patents
Device for accurately measuring sediment thickness of cast-in-place pile Download PDFInfo
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- CN215888361U CN215888361U CN202121921434.7U CN202121921434U CN215888361U CN 215888361 U CN215888361 U CN 215888361U CN 202121921434 U CN202121921434 U CN 202121921434U CN 215888361 U CN215888361 U CN 215888361U
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Abstract
The utility model discloses a device for accurately measuring the thickness of cast-in-place pile sediment, wherein a moving shaft is vertically fixed on a bottom plate, an anti-falling plate is fixed at the top end of the moving shaft, the middle part of the moving shaft is movably connected with a weight plate, the weight plate can move up and down along the moving shaft, and ropes are fixed at two ends of the weight plate. The structure ring is sleeved on a moving shaft (7) between the anti-falling plate (1) and the weight plate (6) and has certain height and thickness; one end of the small radioactive plate is fixed on the weight plate (6), the other end of the small radioactive plate is movably connected to the structural ring and can slide up and down along the structural ring, and the connecting ring is used for connecting the small radioactive plate and providing annular rigidity for the small radioactive plate. After the device touches the sediment top, the small radioactive plate and the weight pressing plate move downwards together under the action of the weight pressing plate until the lifting rope is tightened. The device is lifted out of the drilled hole, and the length of the downward movement of the radioactive platelet is read to obtain the thickness of the sediments. The device is simple and easy to operate, and can accurately measure the sediment thickness.
Description
Technical Field
The utility model relates to a device for accurately measuring the thickness of cast-in-place pile sediment, and belongs to the technical field of constructional engineering.
Background
In the field of construction engineering, bored piles are often involved. The sediment at the bottom of the hole of the cast-in-place pile refers to sediment which is left by sedimentation or hole collapse in the drilling and emptying processes and is not taken away by circulating mud, generally the sediment is coarse particles, and the thickness of the sediment is the layer height of the sediment. The sediment thickness of the cast-in-situ bored pile has clear requirements in the specification and generally does not exceed 50-200 mm. But the sediment thickness is not easy to be measured accurately. The currently commonly used European and American geodetic sediment thickness measuring instrument utilizes the acoustic wave principle, and the measuring precision is uncontrollable. Therefore, it is highly desirable to design a device for accurately measuring the thickness of the sediment of the cast-in-place pile, so as to improve the precision of sediment thickness measurement.
The utility model patent application with the application number of CN202110395811.6 discloses an accurate detection device for the sediment thickness of a cast-in-situ bored pile, which comprises a balance weight part and a hollow pipe which are integrally formed, wherein the bottom of the hollow pipe is sharpened so as to penetrate into sediment, a matched indicating disc is arranged in the hollow pipe in a laminating manner, the inner cavity of the hollow pipe can be attached to the wall to accommodate mud sediment for jacking the indicating disc, and a vertical opening is formed in the side wall of the hollow pipe to balance the pressure of the sediment in the hollow pipe. The accurate detection device for the thickness of the sediment of the cast-in-situ bored pile can quickly and accurately measure the thickness of the sediment of the pile foundation.
The utility model patent application with the application number of CN202110279652.3 discloses a cast-in-place pile sediment thickness measuring scale and a use method thereof, and belongs to the technical field of sediment thickness measurement. The utility model comprises a shell barrel, wherein support frames are arranged on the outer ring of the shell barrel at intervals; the inside axis of rotation that is provided with of shell barrel, the outer lane of axis of rotation encircles and is provided with the soft paper scale, the outer lane of soft paper scale is provided with the stereoplasm contact, the feeler lever is installed to the bottom of stereoplasm contact. The utility model changes the error routine of judging the sediment thickness only by the construction experience, the feeler lever can contact the hard contact piece by the contact of the tip of the feeler lever with the holding layer, thereby driving the contact hard contact piece and the soft paper graduated scale to move together relative to the shell barrel, when the relative movement is finished, the numerical value in the graduated bracket corresponding to the indicator is the measured sediment thickness, and the utility model has the advantages of quickly, conveniently and accurately measuring the sediment thickness and improving the detection efficiency and the measurement precision.
The utility model patent application with the application number of CN202110214139.6 discloses a sediment thickness detection device and a detection method thereof, wherein the sediment thickness detection device is provided with a drill rod, the lower end of the drill rod is of a pointed structure, the upper end of the drill rod is provided with a traction rope, at least one row of positioning teeth which are vertically arranged are manufactured on the side wall of the drill rod, and the positioning teeth extend upwards from the bottom of the drill rod; the drill rod is sleeved with a circular touch disc, the touch disc is connected with the drill rod in a sliding mode, the touch disc is provided with a group of limiting mechanisms corresponding to each row of positioning teeth along the radial direction, and the limiting mechanisms are arranged opposite to the positioning teeth on the drill rod; the utility model solves the problems that the sediment thickness can not be detected or is not accurately measured in the prior art; the utility model has simple structure and convenient use; the measurement is accurate, and the detection efficiency is improved; the method has wide application range and is suitable for measuring the sediment thickness of the slurry retaining wall pore-forming cast-in-place piles with different specifications.
However, the above-mentioned device has a complicated structure and the problem of accuracy is not completely solved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems of complex structure and complex operation of the conventional equipment for detecting the thickness of the cast-in-place pile sediment, the utility model aims to provide the device for accurately measuring the thickness of the cast-in-place pile sediment, which can accurately measure the thickness of the sediment and has the advantages of simple structure and easy operation.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a device of accurate measurement bored concrete pile sediment thickness, includes from last to down anticreep board, structure ring, go-between, radiation platelet, ballast plate, motion axle, bottom plate.
The motion axle vertical fixation has fixed the anticreep board on the bottom plate, and the middle part swing joint ballast plate of motion axle, and the ballast plate can be along motion axle up-and-down motion, and the rope is fixed at the both ends of ballast plate. The anti-falling plate can prevent the device from being disassembled, and the structural belt has certain height and thickness.
The structure ring is sleeved on a moving shaft between the anti-falling plate and the weight plate; one end of the small radioactive plate is fixed on the weight plate, the other end of the small radioactive plate is movably connected to the structural ring and can slide up and down along the structural ring, and the connecting ring is used for connecting the small radioactive plate and providing annular rigidity for the small radioactive plate.
According to the device for accurately measuring the thickness of the cast-in-place pile sediment, the two ends of the weight plate are fixed with the lifting rings or are punched, one end of the rope is tied to the lifting rings or the holes, the drilling depth of the cast-in-place pile is set to be H, the height from the lifting rings (5) or the holes to the top of the holes is set to be H, and the length of the rope is H-H.
According to the device for accurately measuring the thickness of the cast-in-place pile sediment, the through hole is formed in the middle of the pressure-weight plate, the aperture of the pressure-weight plate is slightly larger than the diameter of the movement shaft, and the pressure-weight plate is sleeved on the movement shaft through the through hole and can move up and down along the movement shaft.
In the device for accurately measuring the thickness of the cast-in-place pile sediment, the small radiating plates are symmetrically arranged on the movement axis, and the number of the small radiating plates is two or more.
According to the device for accurately measuring the thickness of the cast-in-place pile sediment, the anti-falling plate, the weight plate and the bottom plate are all symmetrical at two ends by taking the moving shaft as the center.
After the device for accurately measuring the thickness of the cast-in-place pile sediment touches the sediment top, the small radioactive plate and the ballast plate move downwards together under the action of the ballast plate until the lifting rope is tightened. The device is lifted out of the drilled hole, and the length of the downward movement of the radioactive platelet is read to obtain the thickness of the sediments.
Has the advantages that: according to the device for accurately measuring the thickness of the sediment of the cast-in-place pile, the thickness of the sediment is reflected by reading the length of the movable end of the small radiating plate moving downwards on the construction ring, the operation is simple, the data is visual, and the thickness of the sediment can be accurately measured.
Drawings
FIG. 1 is an assembly diagram before measurement of the device for accurately measuring the thickness of the sediment of the cast-in-place pile according to the utility model;
fig. 2 is a schematic diagram after measurement of the device for accurately measuring the thickness of the cast-in-place pile sediment.
Description of the main reference symbols in the drawings: the anti-falling plate-1, the structural ring-2, the connecting ring-3, the small radioactive plate-4, the hanging ring-5, the weight plate-6, the movement shaft-7 and the bottom plate-8.
Detailed Description
The utility model will now be further illustrated with reference to specific examples.
Example 1
Fig. 1 is an assembly diagram before measurement of a device for accurately measuring the thickness of the cast-in-place pile sediment of the present invention, and fig. 2 is a schematic diagram after measurement of the device for accurately measuring the thickness of the cast-in-place pile sediment of the present invention. Referring to fig. 1-2, the device for accurately measuring the thickness of the cast-in-place pile sediment comprises an anti-falling plate, a construction ring, a connecting ring, a small radioactive plate, a hanging ring, a weight plate, a moving shaft and a bottom plate from top to bottom.
The moving shaft 7 is vertically fixed on the bottom plate 8, and the anti-falling plate 1 is fixed at the top end of the moving shaft 7 to prevent the device from being disassembled. The weight plate 6 is fixed in the middle of the moving shaft 7, a through hole is formed in the middle of the weight plate, the diameter of the through hole is slightly larger than that of the moving shaft, and the weight plate 6 is sleeved on the moving shaft 7 through the through hole and can move up and down along the moving shaft 7.
The two ends of the weight plate 6 are provided with hanging rings 5, a rope is tied on the hanging rings, and the other end of the rope is held by hands. If the drilling depth of the cast-in-place pile is H and the height from the lifting ring 5 to the top of the hole is H, the length of the rope tied on the lifting ring 5 is H-H.
The structure ring 2 is sleeved on the moving shaft 7 between the anti-falling plate 1 and the weight plate 6 and has certain height and thickness.
One end of the small radioactive plates is fixed on the weight plate 6, the other end of the small radioactive plates is movably connected to the structural ring and can slide up and down along the structural ring, and two or more small radioactive plates are symmetrically arranged under the balance consideration. (the angle between the small radioactive plate and the weight plate 6 is adjusted according to actual needs) the connecting ring is used for connecting the small radioactive plate and providing the annular rigidity for the small radioactive plate.
The use method is as follows:
(1) before the device is used, after the assembly on the ground is finished, the initial position of the radioactive platelet 4 on the structural ring 2 is recorded;
(2) the device is slowly lowered until the lifting rope reaches the top of the hole.
(3) After the device touches the sediment top, the small radioactive plate 4 and the ballast plate 6 move downwards together under the action of the ballast plate 6 until the lifting rope is tightened.
(4) The device is lifted out of the borehole and the length (L in fig. 2) of the radioactive platelet 4 moving down the build ring 2 is read as the sediment thickness.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (5)
1. A device for accurately measuring the thickness of cast-in-place pile sediment is characterized by comprising an anti-falling plate, a construction ring, a connecting ring, a small radioactive plate, a weight plate, a motion shaft and a bottom plate from top to bottom;
the moving shaft (7) is vertically fixed on the bottom plate (8), the anti-falling plate (1) is fixed at the top end of the moving shaft, the middle part of the moving shaft (7) is movably connected with the weight pressing plate (6), the weight pressing plate can move up and down along the moving shaft (7), and ropes are fixed at two ends of the weight pressing plate;
the structure ring (2) is sleeved on a moving shaft (7) between the anti-falling plate (1) and the weight plate (6); one end of the small radioactive plate is fixed on the weight plate (6), the other end of the small radioactive plate is movably connected to the structural ring and can slide up and down along the structural ring, and the connecting ring is used for connecting the small radioactive plate and providing annular rigidity for the small radioactive plate.
2. The apparatus for accurately measuring the thickness of the bored concrete pile sediment according to claim 1, wherein the ballast plate is fixed at both ends thereof with a suspension ring (5) or perforated, one end of the rope is tied to the suspension ring or perforated, and the length of the rope is H-H when the bored concrete pile sediment depth is H and the height from the suspension ring (5) or perforated to the top of the perforated hole is H.
3. The apparatus for accurately measuring the thickness of the sediment of the bored concrete pile according to claim 1, wherein the weight plate has a through hole in the middle, and the diameter of the through hole is slightly larger than the diameter of the motion shaft, and the weight plate is sleeved on the motion shaft (7) through the through hole and can move up and down along the motion shaft (7).
4. Device for the accurate measurement of the thickness of the bored concrete pile sediments according to claim 1, characterized in that the radial platelets are arranged symmetrically with respect to the axis of motion (7), the number being two or more.
5. The apparatus for accurately measuring the thickness of the sediment of the cast-in-place pile according to claim 1, wherein the anti-falling plate (1), the ballast plate and the bottom plate are symmetrical at two ends by taking a motion shaft as a center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121921434.7U CN215888361U (en) | 2021-08-17 | 2021-08-17 | Device for accurately measuring sediment thickness of cast-in-place pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121921434.7U CN215888361U (en) | 2021-08-17 | 2021-08-17 | Device for accurately measuring sediment thickness of cast-in-place pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215888361U true CN215888361U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121921434.7U Active CN215888361U (en) | 2021-08-17 | 2021-08-17 | Device for accurately measuring sediment thickness of cast-in-place pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215888361U (en) |
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2021
- 2021-08-17 CN CN202121921434.7U patent/CN215888361U/en active Active
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