CN206667308U - Bored concrete pile sediment thickness measurement apparatus - Google Patents
Bored concrete pile sediment thickness measurement apparatus Download PDFInfo
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- CN206667308U CN206667308U CN201720354217.1U CN201720354217U CN206667308U CN 206667308 U CN206667308 U CN 206667308U CN 201720354217 U CN201720354217 U CN 201720354217U CN 206667308 U CN206667308 U CN 206667308U
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Abstract
The utility model provides a kind of bored concrete pile sediment thickness measurement apparatus.The device includes supporting mechanism, plummet, load maintainer and retaining mechanism；Wherein, supporting mechanism is the hollow housing of both ends open, also, the first openend is in contact with the top surface of sediment to be measured, and the second openend is free end；Plummet is placed in the lower end of supporting mechanism, also, plummet is slideably connected with the inwall of supporting mechanism；Load maintainer is placed in the top of plummet, for driving plummet to be slided into sediment to be measured until bottom surface and the bottom surface flush of sediment to be measured of plummet；When plummet is subjected only to gravity, retaining mechanism is used to lock plummet and supporting mechanism.Bored concrete pile sediment thickness measurement apparatus provided by the utility model, the thickness of sediment to be measured is obtained by the relative sliding distance measured between plummet and supporting mechanism, compared with prior art, the device reduces the error of survey crew's subjective consciousness, the accuracy of sediment measurement is improved, and then improves the quality of bored concrete pile.
Description
Technical Field
The utility model relates to a civil engineering technical field particularly, relates to a bored concrete pile sediment thickness measurement device.
Background
The cast-in-place pile is a common foundation form in the field of buildings at present, and has the advantages of high single-pile bearing capacity, low unit price and small vibration, so that the cast-in-place pile is widely applied to the building engineering of roads, high-rise buildings, ports and docks, municipal administration, bridges and the like at present. The quality of the cast-in-place pile directly influences the settlement of the building and even the safety of the whole building, so the quality control of the cast-in-place pile is particularly important. However, because the cast-in-place pile is usually underground or underwater, the construction difficulty is high, the technical requirement is high, the construction procedure is complex, rock fragments which are cracked by impact, collapsed soil, slurry and the like are mixed together and precipitated at the bottom of the hole, the substances which remain at the bottom of the hole are sediments after positive and negative circulation cleaning, and the control of the sediment thickness in the construction process of the cast-in-place pile is the key point of the quality control of the cast-in-place pile, so the control and detection of the sediment thickness in the construction process are one of important measures for ensuring the quality of the cast-in-place pile.
The traditional sediment thickness detection mode adopts a hanging hammer for measurement, the position of the top surface of sediment is judged by the hand feeling of a measurer, the subjective factor is strong, and the existing deviation is large; in addition, a measuring rope is adopted for measuring, and the tightness, the length and the reading of the measuring rope generate errors, so that the detection accuracy of the sediment thickness is low, and the errors are large. Especially, in the case of a long pile, it is difficult to accurately determine the sediment thickness of the cast-in-place pile by the above method.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a bored concrete pile sediment thickness measurement device aims at solving the big low problem of accuracy of current measuring method error.
In one aspect, the utility model provides a bored concrete pile sediment thickness measurement device. The device comprises a supporting mechanism, a measuring hammer, a loading mechanism and a locking mechanism; the supporting mechanism is a hollow shell with openings at two ends, the first opening end is in contact with the top surface of the sediment to be detected, and the second opening end is a free end; the measuring hammer is arranged at the lower end of the supporting mechanism, and is connected with the inner wall of the supporting mechanism in a sliding manner; the loading mechanism is arranged above the measuring hammer and used for driving the measuring hammer to slide towards the sediment to be measured until the bottom surface of the measuring hammer is flush with the bottom surface of the sediment to be measured; and when the measuring hammer only bears the gravity, the locking mechanism is used for locking the measuring hammer and the supporting mechanism.
Further, in the cast-in-place pile sediment thickness measuring device, the outer wall of the measuring hammer is provided with continuous external threads; the locking mechanism is an elastic piece and is arranged at the bottom end of the inner wall of the supporting mechanism; when the locking mechanism only bears the gravity, the supporting mechanism is locked with the external thread of the measuring hammer through the locking mechanism.
Furthermore, according to the device for measuring the thickness of the cast-in-place pile sediment, the number of the locking mechanisms is at least two, and the locking mechanisms are arranged along the circumferential direction of the inner wall of the supporting mechanism.
Furthermore, according to the device for measuring the thickness of the cast-in-place pile sediment, the number of the locking mechanisms is at least four, and the inner wall of the lower portion of the supporting mechanism is uniformly arranged along the axial direction of the supporting mechanism.
Further, in the device for measuring the thickness of the cast-in-place pile sediment, the locking mechanism is connected with the supporting mechanism through a connecting piece.
Further, in the device for measuring the thickness of the cast-in-place pile sediment, the bottom of the measuring hammer is provided with a hammer platform body; the area of the upper bottom surface of the hammer table body is larger than that of the lower bottom surface of the hammer table body; the outer wall of the hammer table body is provided with continuous external threads.
Further, above-mentioned bored concrete pile sediment thickness measurement device, the loading mechanism includes: a tension member and a loading member; wherein the loading piece is arranged in the supporting mechanism; one end of the stretching piece is connected to the top end of the loading piece through the lifting hook, and the other end of the stretching piece is a free end and is arranged outside the supporting mechanism and used for pulling up or descending the loading piece.
Further, according to the cast-in-place pile sediment thickness measuring device, the loading table body is arranged at the bottom of the loading piece, and the area of the upper bottom surface of the loading table body is larger than that of the lower bottom surface of the loading table body.
Further, in the device for measuring the thickness of the cast-in-place pile sediment, a bottom plate is arranged at the bottom end of the supporting mechanism, and a through hole is formed in the bottom plate right below the measuring hammer; the measuring hammer is slidably arranged in the through hole in a penetrating mode.
Further, in the device for measuring the thickness of the cast-in-place pile sediment, the outer wall of the bottom plate is circumferentially provided with the convex plate; the convex plate and the bottom plate are arranged at a preset angle.
The utility model provides a bored concrete pile sediment thickness measurement device obtains the thickness of the sediment that awaits measuring through the relative sliding distance between measurement hammer and the supporting mechanism, compares with prior art, and the device has reduced the error of the subjective consciousness of survey crew, has improved sediment measuring accuracy, and then has improved the quality of bored concrete pile. Meanwhile, the device is easy to operate, the intensity of measurement work is reduced, the thickness of the sediment is rapidly measured, and the sediment measurement efficiency is further improved. In addition, the device has simple structure and convenient manufacture.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural view of a device for measuring the thickness of a cast-in-place pile sediment provided by an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure view of a device for measuring the thickness of the cast-in-place pile sediment provided by the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a loading mechanism in a cast-in-place pile sediment thickness measuring device provided by the embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a device for measuring a sediment thickness of a cast-in-place pile according to an embodiment of the present invention. As shown, the apparatus comprises: the device comprises a supporting mechanism 1, a measuring hammer 2, a loading mechanism 3 and a locking mechanism 4.
The supporting mechanism 1 is a hollow shell with two open ends, a first open end (the lower end shown in fig. 1) is in contact with the top surface of the sediment to be measured, and a second open end (the upper end shown in fig. 1) is a free end. Specifically, the supporting mechanism 1 may be a circular ring-shaped shell, and of course, may also be a ring-shaped shell, which is not limited in this embodiment. To save space and manufacturing costs, the support mechanism 1 is preferably a circular ring shaped housing. In order to facilitate processing and manufacturing, the supporting mechanism 1 is a circular ring-shaped shell with uniform wall thickness.
The measuring hammer 2 is arranged at the lower end (relative to the position shown in figure 1) of the supporting mechanism 1, and the measuring hammer 2 is connected with the inner wall of the supporting mechanism 1 in a sliding way; the loading mechanism 3 is arranged above the measuring hammer 2 (relative to the position shown in fig. 1) and is used for driving the measuring hammer 2 to slide towards the sediment to be measured (downwards slide in fig. 1) until the bottom surface (relative to the position shown in fig. 1) of the measuring hammer 2 is flush with the bottom surface (relative to the position shown in fig. 1) of the sediment to be measured; the locking mechanism 4 is used to lock the measuring hammer 2 to the support mechanism 1 when the measuring hammer 2 is subjected to gravity only.
In practical implementation, preferably, in order to make all the loading force provided by the loading mechanism 3 drive the measuring hammer 2 to slide downwards (relative to the position shown in fig. 1), the outer profile of the loading mechanism 3 may be the same as the inner wall of the support mechanism 1, for example, the support mechanism 1 is a circular ring-shaped housing, and one end of the loading mechanism 3 may be a cylindrical shape. Further preferably, the diameter of the cylinder in one end of the loading means 3 is the same as the inner wall of the support means. For manufacturing convenience, the measuring hammer 2 may preferably be a cylinder. Of course, the measuring hammer 2 may also have other shapes such as a rectangular cylinder, which is not limited in this embodiment.
The working process of the embodiment is as follows: the device is first placed on the sediment to be measured so that the bottom surface of the supporting mechanism 1 (relative to the position shown in fig. 1) is flush with the top surface of the sediment to be measured, and then the loading mechanism 3 is adjusted so that the bottom surface of the loading mechanism 3 (relative to the position shown in fig. 1) is flush with the bottom surface of the supporting mechanism 1 (relative to the position shown in fig. 1). And applying a loading force through the loading mechanism 3 to drive the measuring hammer 2 to slide downwards until the bottom surface (relative to the position shown in figure 1) of the measuring hammer 2 is flush with the bottom surface of the sediment, and locking the measuring hammer 2 and the supporting mechanism 1 through the locking mechanism 4. To further determine the accuracy of the measurement, the hammer 2 may again be driven by the loading mechanism 3 applying a small loading force to ensure that the bottom surface of the hammer 2 (relative to the position shown in fig. 1) is flush with the bottom surface of the sediment. Finally, under the condition of ensuring no relative displacement between the support mechanism 1 and the measuring hammer 2, taking out the device and measuring the relative distance between the bottom surface (relative to the position shown in figure 1) of the measuring hammer 2 and the bottom surface (relative to the position shown in figure 1) of the support mechanism 1, namely the thickness of the sediment to be measured.
The bored concrete pile sediment thickness measurement device that provides in this embodiment obtains the thickness of the sediment that awaits measuring through the relative sliding distance between measurement hammer and the supporting mechanism, compares with prior art, and the device has reduced the error of the subjective consciousness of survey crew, has improved sediment measuring accuracy, and then has improved the quality of bored concrete pile. Meanwhile, the device is easy to operate, the intensity of measurement work is reduced, the thickness of the sediment is rapidly measured, and the sediment measurement efficiency is further improved. In addition, the device has simple structure and convenient manufacture.
With continued reference to fig. 2, in the above described embodiment, the outer wall of the measuring hammer 2 is provided with a continuous external thread. Specifically, the outer wall of the measuring hammer 2 may be externally threaded by grinding, but may also be threaded by other machining methods such as turning, which is not limited in this embodiment.
The locking mechanism 4 is an elastic piece and is arranged at the bottom end of the inner wall of the supporting mechanism 1; when the locking mechanism 4 only bears the gravity, the supporting mechanism 1 is locked with the external thread of the measuring hammer 2 through the locking mechanism 4. In specific implementation, the locking mechanism 4 can control the unlocking and locking states of the measuring hammer 2 through the elastic characteristics of the locking mechanism.
The working process of the locking mechanism is as follows: when the measuring hammer 2 only bears the self gravity, the locking mechanism 4 is clamped with the measuring hammer 2 so as to ensure that the measuring hammer 2 and the supporting mechanism 1 are relatively immobile; after the loading mechanism 3 applies driving force to the measuring hammer 2, the measuring hammer 2 slides downwards (relative to the position shown in fig. 1) under the action of the driving force and is embedded into the sediment to be measured until the bottom surface of the sediment to be measured is blocked by the supporting force of the cast-in-place pile, the measuring hammer 2 stops sliding downwards, and the locking mechanism 4 returns to the original state and is further clamped with the measuring hammer 2 to ensure that the measuring hammer 2 and the supporting mechanism 1 are relatively immobile so as to measure the distance between the bottom surface of the measuring hammer 2 and the bottom surface of the supporting mechanism 1.
It can be seen that, in this embodiment, through the elastic characteristic of locking mechanism 4 to reach the purpose of locking and unblock between slide hammer 2 and the supporting mechanism 1, and then reach when slide hammer 2 only bears gravity locking slide hammer 2 to and slide when slide hammer 2 bears drive power, the structure is comparatively simple, easily realizes. Meanwhile, the external thread and the locking mechanism 4 arranged on the measuring hammer 2 are arranged at the bottom end of the supporting mechanism 1, so that the measuring hammer 2 can be locked at any position of the sliding stroke of the measuring hammer.
Referring to fig. 2, fig. 2 is a schematic cross-sectional structure diagram of a device for measuring a sediment thickness of a cast-in-place pile according to an embodiment of the present invention. In the above embodiment, the locking mechanism 4 is at least two and is disposed along the circumferential direction of the inner wall of the support mechanism 1. In particular, the locking mechanism 4 may be connected to the support mechanism 1 by a connecting piece 5. The connecting member 5 may be a screw, and of course, the connecting member 5 may also be connected by other connecting means, such as welding, which is not limited in this embodiment. Preferably, the number of the locking mechanisms 4 is 4. Further preferably, 4 locking mechanisms are uniformly arranged along the circumferential direction of the inner wall of the supporting mechanism 1.
In the embodiment, the locking and unlocking between the measuring hammer 2 and the supporting mechanism 1 are realized through the plurality of locking mechanisms 4, so that the locking and unlocking effects are improved, and the service life of the device is prolonged.
With continued reference to fig. 1 and 2, the locking mechanisms 4 are at least four and are uniformly arranged along the axial direction (the up-down direction shown in fig. 1) of the supporting mechanism 1 at the inner wall of the lower portion of the supporting mechanism 1. Specifically, the number of the locking mechanisms 4 is at least four, a plurality of the locking mechanisms 4 may be provided at an inner wall of the lower portion of the support mechanism 1, and the plurality of the locking mechanisms 4 may be uniformly provided along the axial direction (the up-down direction shown in fig. 1) of the support mechanism 1, and at the same time, a longitudinal direction (the horizontal direction shown in fig. 1) of the support mechanism 1 may also be provided with a plurality of the locking mechanisms 4 along the inner wall thereof.
It can be seen that, in this embodiment, the plurality of locking mechanisms 4 uniformly arranged along the axial direction on the lower part of the inner wall of the supporting mechanism 1 lock and unlock the measuring hammer 2, so that the measuring hammer 2 can be further locked at any sliding position, and the service life of the device is further prolonged.
With continued reference to fig. 1, the bottom of the measuring hammer 2 is provided with a hammer table body 21; the area of the upper bottom surface (with respect to the position shown in fig. 2) of the hammer table body 21 is larger than the area of the lower bottom surface (with respect to the position shown in fig. 1) of the hammer table body 21; the outer wall of the hammer table body 21 is provided with a continuous external thread. Specifically, the hammer table body 21 is an inverted table body, and the shape thereof can be determined according to the shape of the measuring hammer 2, which is not limited in this embodiment. For example, when the measuring hammer 2 is a cylinder, the hammer table body 21 may be an inverted circular table body; when the measuring hammer 2 is a rectangular cylinder, the frustum body 21 may be an inverted quadrangular frustum pyramid. Meanwhile, the outer wall of the hammer table body 21 is provided with a continuous external thread, and the external thread provided on the hammer table body 21 may be the same as the external thread provided on the measuring hammer 2, which is not limited in this embodiment. Preferably, for space and cost saving, the axes of the measuring hammer 2 and the frustum body 21 coincide with the axis of the support mechanism 1.
In this embodiment, the frustum body 21 arranged at the bottom of the measuring hammer 2 hammers the sediment to be measured to slide downwards, and the frustum body 21 is an inverted frustum body, so that the occupied space area is gradually reduced from top to bottom, the sediment resistance can be reduced, the bottom surface of the frustum body 21 can be further ensured to be parallel and level with the bottom surface of the sediment to be measured, and the measurement accuracy of the device is further improved due to the arrangement of the frustum body 21.
Referring to fig. 1 and 3, the loading mechanism 3 includes: a tension member 31 and a loading member 34; wherein; the loading member 34 is arranged in the support mechanism 1; one end of the stretching member 31 is connected to the top end of the stretching member 31 through a hook 32, and the other end is a free end and is arranged outside the supporting mechanism 1 for pulling up or lowering down the loading member 34.
Specifically, the stretching member 31 is inserted into a second open end (an upper end as shown in fig. 1) of the supporting mechanism 1, one end (a lower end as shown in fig. 1) is connected to a hook 32 disposed on the top of the loading member 31, and the other end (an upper end as shown in fig. 1) is disposed outside the supporting mechanism 1 and can be held by a measuring person, and the measuring person holds the upper end (relative to the position shown in fig. 1) of the stretching member 31 and then controls the movement direction of the loading member 31 and the loading force applied by the loading member 31 to the measuring hammer 2 by stretching the stretching member 31. The stretching member 31 may be a rope, but may also be other stretching members, and is not limited in this embodiment. The hook 32 may be integrally formed with the loading element 34, but may be connected by other connecting means such as welding, which is not limited in this embodiment. In addition, the loading element 34 may be a cylinder, but may also be other shapes such as a rectangular cylinder, which is not limited in this embodiment. Preferably, the loading member 34 is a cylinder.
It can be seen that, in the embodiment, the operation state and the sliding direction of the loading member 34 are controlled by the stretching member 31, so that the structure is simple and the operation is convenient.
The loading table 33 is provided at the bottom of the loading member 34, and the area of the upper bottom surface of the loading table 33 is larger than the area of the lower bottom surface of the loading table 33. Specifically, the loading stage 33 is an inverted stage, and the shape thereof may be determined according to the shape of the loading member 34, which is not limited in this embodiment. For example, when the loading element 34 is a cylinder, the loading table 33 may be an inverted circular table. Preferably, the loading member 34 is a cylinder, and the loading table 34 is an inverted circular table, and the axes of the loading member and the loading table coincide with each other and the axis of the supporting mechanism.
It can be seen that in the embodiment, the loading force is applied to the measuring hammer through the inverted table body, and the loading force of the loading mechanism can be ensured to be completely applied to the measuring hammer under the area of the bottom surface of the inverted table body, so that the loading mechanism is prevented from applying the loading force to other positions.
A bottom plate 11 is arranged at the bottom of the supporting mechanism 1, and a through hole is formed in the bottom plate right below the measuring hammer 2; the measuring hammer 2 is slidably inserted into the through hole. Specifically, the bottom plate 11 is disposed at the bottom end 11 of the supporting mechanism 1, and a through hole is disposed in the middle of the bottom plate 11 and right below the measuring hammer 2, and an area of the through hole is not smaller than a horizontal maximum area of the measuring hammer 2. Of course, the bottom plate 11 may also surround the outer wall of the bottom end of the supporting mechanism, and the bottom surface of the supporting mechanism 1 is flush with the bottom surface of the bottom plate 11. The bottom plate 11 may be a disc shape, but may also be another shape such as a rectangle, which is not limited in this embodiment. Preferably, the vertical axis (vertical direction as shown in fig. 1) of the bottom plate 11 coincides with the axis of the support mechanism 1, and a through hole is formed at the center. Preferably, the base plate 11 is disc-shaped and the axis of the disc coincides with the axis of the support means 1. Preferably, in order to reduce the floor area of the bottom plate 11 and ensure that the bottom plate 11 does not move, the outer wall of the bottom plate 11 may be provided with a convex plate 12 circumferentially around the entire circumference, and the convex plate 12 may be disposed at a predetermined angle with respect to the bottom plate 11.
It can be seen that, in this embodiment, the arrangement of the bottom plate can prevent the supporting mechanism from inclining or sliding downwards to cause errors, and therefore, the arrangement of the bottom plate further improves the accuracy of the device for measuring the thickness of the sediment to be measured.
The embodiment of the utility model provides a bored concrete pile sediment thickness measurement device carries out more detailed description below.
Referring to fig. 1 to 3, the apparatus includes: the device comprises a supporting mechanism 1, a measuring hammer 2, a loading mechanism 3 and a locking mechanism 4. Wherein, supporting mechanism 1 is the even circular steel tube of wall thickness, and this circular steel tube's external diameter is 60mm, and the wall thickness is 3.5mm to the bottom is provided with thickness and is 5 mm's bottom plate 11, and this bottom plate is the circular steel sheet of middle trompil, and the diameter of steel sheet is 300mm and circumference encloses to be equipped with to be 135 and sets up the annular flange 12 that the width is 25mm with this bottom plate 11. The inner wall of the support mechanism 1 is uniformly provided with four locking mechanisms 4 along the circumferential direction (the horizontal direction as shown in fig. 1), and a plurality of locking mechanisms 4 are continuously provided along the axial direction. The locking mechanism 4 is an elastic steel sheet and is connected with the supporting mechanism 1 through a connecting piece 5, wherein the connecting piece 5 is a screw. The top of the measuring hammer 2 is a threaded steel rod with the outer wall provided with threads and the length of 300mm and the diameter of 28mm, the bottom of the measuring hammer 2 is provided with a frustum body 21, the long outer wall of the frustum body is provided with an inverted circular truncated cone with the threads and the length of 80mm and the bottom surface diameter of 10mm, the measuring hammer 2 is arranged in the supporting mechanism 1, during transportation, the bottom end (such as the lower end shown in figure 1) of the measuring hammer 2 can be arranged in the supporting mechanism 1 and can also be arranged below the supporting mechanism 1, and before use, the bottom surface (relative to the position shown in figure 1) of the measuring hammer 2 is flush with the bottom surface of the bottom plate. The loading mechanism 3 includes a tension member 31, a hook 32, a loading member 34, and a loading table 33. The loading part 34 is a hammer with the length of 50mm and the diameter of 50mm, the loading table body 33 is an inverted circular table body with the length of 25mm and the diameter of the bottom (the lower end shown in fig. 1) of 10mm, the loading table body 33 is arranged below the loading part 34 and is integrally formed and arranged in the supporting mechanism 1, the lifting hook 32 is welded in the middle of the top end of the loading part 34, the stretching part 31 is a rope pulling rope, one end (the lower end shown in fig. 1) of the stretching part 31 is bound on the lifting hook 32, and the other end (the upper end shown in fig. 1) of the stretching part 31 is arranged outside the supporting mechanism 1.
In conclusion, the bored concrete pile sediment thickness measurement device that provides in this embodiment obtains the thickness of the sediment that awaits measuring through measuring the relative sliding distance between weight and the supporting mechanism, compares with prior art, and the device has reduced the error of the subjective consciousness of survey crew, has improved sediment measuring accuracy, and then has improved the quality of bored concrete pile. Meanwhile, the device is easy to operate, the intensity of measurement work is reduced, the thickness of the sediment is rapidly measured, and the sediment measurement efficiency is further improved. In addition, the device has simple structure and convenient manufacture.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a bored concrete pile sediment thickness measurement device which characterized in that includes: the device comprises a supporting mechanism (1), a measuring hammer (2), a loading mechanism (3) and a locking mechanism (4); wherein,
the supporting mechanism (1) is a hollow shell with openings at two ends, the first opening end is in contact with the top surface of the sediment to be detected, and the second opening end is a free end;
the measuring hammer (2) is arranged at the lower end of the supporting mechanism (1), and the measuring hammer (2) is connected with the inner wall of the supporting mechanism (1) in a sliding manner;
the loading mechanism (3) is arranged above the measuring hammer (2) and is used for driving the measuring hammer (2) to slide towards the sediment to be measured until the bottom surface of the measuring hammer (2) is flush with the bottom surface of the sediment to be measured;
when the measuring hammer (2) only bears the gravity, the locking mechanism (4) is used for locking the measuring hammer (2) and the supporting mechanism (1) together.
2. The cast-in-place pile sediment thickness measuring device of claim 1,
the outer wall of the measuring hammer (2) is provided with continuous external threads;
the locking mechanism (4) is an elastic piece and is arranged at the bottom end of the inner wall of the supporting mechanism (1);
when the locking mechanism (4) only bears the gravity, the supporting mechanism (1) is locked with the external thread of the measuring hammer (2) through the locking mechanism (4).
3. The cast-in-place pile sediment thickness measuring device according to claim 2,
the locking mechanisms (4) are at least two and are arranged along the circumferential direction of the inner wall of the supporting mechanism (1).
4. The cast-in-place pile sediment thickness measuring device of claim 3,
the locking mechanisms (4) are at least four and are arranged on the inner wall of the lower part of the supporting mechanism (1) along the axial direction of the supporting mechanism (1) uniformly.
5. A cast-in-place pile sediment thickness measuring device according to claim 2, characterized in that the locking mechanism (4) is connected with the supporting mechanism (1) through a connecting piece (5).
6. The cast-in-place pile sediment thickness measuring device of claim 1,
a hammer table body (21) is arranged at the bottom of the measuring hammer (2);
the area of the upper bottom surface of the hammer table body (21) is larger than that of the lower bottom surface of the hammer table body (21);
the outer wall of the hammer table body (21) is provided with continuous external threads.
7. The cast-in-place pile sediment thickness measuring device according to any one of claims 1 to 6, wherein the loading mechanism (3) comprises: a tension member (31) and a loading member (34); wherein,
the loading piece (34) is arranged in the supporting mechanism (1);
one end of the stretching piece (31) is connected to the top end of the loading piece (34) through a hook (32), and the other end of the stretching piece is a free end and is arranged outside the supporting mechanism (1) and used for pulling up or descending the loading piece (34).
8. The cast-in-place pile sediment thickness measuring device of claim 7,
the bottom of the loading piece (34) is provided with a loading table body (33), and the area of the upper bottom surface of the loading table body (33) is larger than that of the lower bottom surface of the loading table body (33).
9. The cast-in-place pile sediment thickness measuring device of claim 8,
a bottom plate (11) is arranged at the bottom end of the supporting mechanism (1), and a through hole is formed in the bottom plate (11) right below the measuring hammer (2);
the measuring hammer (2) can be slidably arranged in the through hole in a penetrating mode.
10. The cast-in-place pile sediment thickness measuring device of claim 9, wherein the outer wall of the bottom plate (11) is provided with a convex plate (12) in the circumferential direction;
the convex plate (12) and the bottom plate (11) are arranged at a preset angle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720354217.1U CN206667308U (en) | 2017-04-06 | 2017-04-06 | Bored concrete pile sediment thickness measurement apparatus |
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| CN201720354217.1U CN206667308U (en) | 2017-04-06 | 2017-04-06 | Bored concrete pile sediment thickness measurement apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612373A (en) * | 2018-12-29 | 2019-04-12 | 杭州亚太建设监理咨询有限公司 | A kind of detection device of bottom hole sediment and detection method using the detection device |
| CN109778922A (en) * | 2019-02-26 | 2019-05-21 | 宁波交通工程咨询监理有限公司 | A kind of cast-in-situ bored pile stake holes sediment thickness detection device and method |
| CN113670185A (en) * | 2020-05-13 | 2021-11-19 | 南京铭创测控科技有限公司 | Resistance type sediment thickness measurement system |
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2017
- 2017-04-06 CN CN201720354217.1U patent/CN206667308U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612373A (en) * | 2018-12-29 | 2019-04-12 | 杭州亚太建设监理咨询有限公司 | A kind of detection device of bottom hole sediment and detection method using the detection device |
| CN109612373B (en) * | 2018-12-29 | 2020-09-18 | 杭州亚太建设监理咨询有限公司 | Detection device for sediment at bottom of hole and detection method using detection device |
| CN109778922A (en) * | 2019-02-26 | 2019-05-21 | 宁波交通工程咨询监理有限公司 | A kind of cast-in-situ bored pile stake holes sediment thickness detection device and method |
| CN113670185A (en) * | 2020-05-13 | 2021-11-19 | 南京铭创测控科技有限公司 | Resistance type sediment thickness measurement system |
| CN113670185B (en) * | 2020-05-13 | 2024-05-17 | 南京铭创测控科技有限公司 | Resistance type sediment thickness measurement system |
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