CN214940498U - Bored concrete pile concrete degree of depth forced induction detects structure - Google Patents
Bored concrete pile concrete degree of depth forced induction detects structure Download PDFInfo
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- CN214940498U CN214940498U CN202121885078.8U CN202121885078U CN214940498U CN 214940498 U CN214940498 U CN 214940498U CN 202121885078 U CN202121885078 U CN 202121885078U CN 214940498 U CN214940498 U CN 214940498U
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Abstract
The utility model relates to a bored concrete pile concrete depth pressure sensing detection structure, which comprises a pile hole vertically drilled on the ground, a reinforcement cage is arranged in the pile hole, a filling machine is arranged on the ground, and a grouting cylinder of the filling machine extends into the pile hole so as to fill concrete; still including locating the pressure measurement portion on the filling machine, pressure measurement portion includes processing unit and detecting element, and processing unit includes the singlechip, and the singlechip electricity is connected with conversion module and display, and detecting element includes pressure sensor, and pressure sensor fixed mounting is in on the grout section of thick bamboo, and pressure sensor and the pile bolck elevation department parallel and level of design, pressure sensor passing signal line are connected with the conversion module electricity. The utility model discloses combine the use together with pressure measurement portion with the filling machine, make things convenient for pressure sensor's installation and recovery, have simple structure, advantage with low costs, utilize this forced induction to detect that the pouring of structure detection concrete highly has convenient operation, detects reliable characteristics, has better practicality.
Description
Technical Field
The utility model belongs to the technical field of the industrial building construction, concretely relates to bored concrete pile concrete degree of depth forced induction detects structure.
Background
The cast-in-situ bored pile is characterized in that a pile hole is formed in a foundation through mechanical drilling, steel pipe soil extrusion or manual excavation and other means on an engineering site, a reinforcement cage is placed in the pile hole, then a cast-in-situ guide pipe extends into the bottom of the pile hole, and concrete is cast into the pile hole through the cast-in-situ guide pipe, so that a concrete pile is formed; the cast-in-situ bored pile has reliable quality, simple construction process and strong geological adaptability, and is widely used in bridge and high-rise building engineering.
Generally, the ground elevation is greater than the pile top elevation of the designed concrete pile, so that the top elevation of the concrete is detected when the concrete is poured to avoid the over-pouring phenomenon. At present, two methods are mainly used for detecting the top surface elevation of the concrete of the cast-in-situ bored pile, one method is to adopt the traditional measuring hammer for detection, the measuring hammer is used for detection through a measuring hammer with a measuring rope, the measuring hammer is manually put into a pile hole, when the measuring hammer is contacted with concrete grout, the descending speed of the measuring hammer is slowed down, and a detector confirms the top surface elevation of the concrete through the change of hand feeling; the detection method is greatly influenced by manpower, has low precision, and starts to detect when the estimated concrete reaches the designed elevation, so the method has serious hysteresis, easily causes the height difference of the finally formed concrete piles, not only causes the waste of a large amount of concrete, but also influences the subsequent construction. The other type is a novel electronic detector such as 'irrigation carefree' and the like, although the precision of the novel electronic detector is high, the main structure of the novel electronic detector is complex, the detection element is precise, the novel electronic detector is easy to damage in a poor field construction environment, and the purchase cost and the maintenance cost are high; the device for detecting the height of the cast-in-situ bored pile in the real time is related to CN201920425982.7, the structure of a detection end in the device is complex, the detection method is complex, and the implementation is difficult on a construction site with severe conditions.
Therefore, the liquid level of the cast-in-situ bored pile cannot be effectively detected and controlled in the process of pouring concrete at present, and the liquid level is easy to cause that the liquid level does not meet the design requirements, so that a series of problems of low bearing capacity of the cast-in-situ bored pile, reduced construction quality, difficult follow-up construction and the like are caused, and the quality of building construction is influenced.
Disclosure of Invention
The above-mentioned not enough to prior art, the to-be-solved technical problem of the utility model is to provide a bored concrete pile concrete degree of depth forced induction detects structure, solves the problem that the concrete highly is difficult to obtain effective detection in the present bored concrete pile construction, gains the reliable effect of detection easy operation, testing result.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a bored concrete pile concrete depth pressure induction detection structure comprises a pile hole vertically drilled on the ground, a reinforcement cage is arranged in the pile hole, a filling machine is arranged on the ground, and a grouting cylinder of the filling machine extends into the pile hole so as to fill concrete; the pressure detection part is arranged on the perfusion machine;
pressure detection portion includes processing unit and detecting element, processing unit includes the singlechip, the singlechip electricity is connected with conversion module and display, detecting element includes pressure sensor, pressure sensor fixed mounting be in on the grout section of thick bamboo, and the pile bolck elevation department parallel and level of pressure sensor and design, pressure sensor passing signal line is connected with the conversion module electricity.
Preferably, the processing unit further comprises an alarm, and the alarm is electrically connected with the single chip microcomputer.
Preferably, the processing unit further comprises a control input module, and the control input module is electrically connected with the single chip microcomputer.
Preferably, the pressure detecting part further includes a housing for mounting a processing unit; the single chip microcomputer and the conversion module are arranged in the shell, the display, the alarm and the control input module are embedded in the shell, the pressure sensor is arranged outside the shell, one end of the signal line is electrically connected with the conversion module in the shell, and the other end of the signal line extends out of the shell and is electrically connected with the pressure sensor.
Preferably, the housing is fixedly arranged on the mounting plate, the mounting plate is further provided with a winding wheel, and a part of signal wires between the conversion module and the pressure sensor are wound on the winding wheel.
Preferably, the winding wheel comprises a rotating shaft in the middle, the rotating shaft is rotatably connected to the mounting plate through a support and is parallel to the mounting plate, and one end of the rotating shaft is fixedly connected with a rotating handle;
the other end of the rotating shaft extends out of the bracket, a plurality of electric brush slip rings corresponding to the number of the wire cores of the signal wire are arranged at one end of the rotating shaft, which is positioned outside the bracket, an electric brush sleeve is sleeved at one end of the rotating shaft, which is positioned outside the bracket, the electric brush sleeve is fixedly connected with the bracket, a plurality of electric brush sheets are arranged in the electric brush sleeve, and the plurality of electric brush sheets are in one-to-one corresponding contact connection with the plurality of electric brush slip rings;
the signal line includes canned paragraph and free section, the one end of canned paragraph is located the casing and is connected with the conversion module electricity, and the other end of canned paragraph is connected with the brush cover and the sinle silk of canned paragraph is connected with the brush piece one-to-one electricity, the one end of free section is connected with pressure sensor electricity, and the other end of free section is around locating on the take-up pulley and the sinle silk of this end is connected with brush sliding ring one-to-one electricity.
Preferably, a vertical stop plate is arranged on the mounting plate, the rotating shaft is parallel to the stop plate, a rubber sleeve transversely penetrates through the stop plate, the inner diameter of the rubber sleeve is matched with the diameter of the free section, and the free section movably penetrates through the rubber sleeve to be electrically connected with the pressure sensor.
Preferably, the height of the rubber sleeve corresponds to the height of the vertex of the winding wheel; and a guide wheel is arranged on one side, away from the winding wheel, of the blocking plate, a rotating shaft of the guide wheel is parallel to that of the winding wheel, the height of the top point of the guide wheel corresponds to that of the rubber sleeve, and the free section penetrates through the rubber sleeve and extends downwards around the guide wheel to be electrically connected with the pressure sensor.
Compared with the prior art, the beneficial effects of the utility model are as follows:
in the pressure sensing detection structure, a pressure sensor in a pressure detection part is fixedly arranged on a grouting cylinder of a filling machine and is positioned at the designed pile top elevation, when the filling machine is started and concrete gradually submerges the pressure sensor, the pressure sensor receives pressure from the concrete, the numerical value displayed by a display fluctuates, when the numerical value displayed by the display is greater than a preset value, a singlechip can control an alarm to give an alarm prompt tone to remind constructors to timely close the filling machine to stop filling the concrete into a pile hole, so that the concrete in the pile hole just reaches the designed pile top elevation, and a formed concrete pile meets the design requirement; forced induction detect structure combine the use together with the filling machine with pressure measurement portion, make things convenient for pressure sensor's installation and recovery, have simple structure, advantage with low costs, utilize this forced induction to detect that the pouring of structure detection concrete highly has convenient operation, detects reliable characteristics, has better practicality.
Drawings
Fig. 1 is a schematic view of a cast-in-place pile concrete depth pressure sensing detection structure according to an embodiment;
FIG. 2 is a block diagram showing the connection of a pressure detecting section in the embodiment;
FIG. 3 is a schematic structural diagram of a pressure detection unit according to an embodiment;
FIG. 4 is an enlarged view taken at A in FIG. 3;
the device comprises a pile hole 11, a reinforcement cage 12, a grouting barrel 21, an operation table top 22, a pressure detection part 3, a display 31, an alarm 32, a power switch 33, a preset value adjusting switch 34, an alarm volume adjusting switch 35, a shell 36, a handle 37, a pressure sensor 38, a connecting plate 39, a rope hole 40, a signal wire 41, an installation plate 5, a winding wheel 6, a rotating handle 61, a support 62, a blocking plate 7, a rubber sleeve 71 and a guide wheel 72.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1 and 2, a bored concrete pile concrete depth pressure sensing detection structure includes a pile hole 11 vertically drilled on the ground, a reinforcement cage 12 is disposed in the pile hole 11, a grouting machine is disposed on the ground, and a grouting cylinder 21 of the grouting machine extends into the pile hole 11 so as to pour concrete; the perfusion apparatus also comprises a pressure detection part 3 arranged on the perfusion apparatus;
the pressure detection part 3 comprises a processing unit and a detection unit, the processing unit comprises a single chip microcomputer, the single chip microcomputer is electrically connected with a conversion module and a display 31, the detection unit comprises a pressure sensor 38, the pressure sensor 38 is fixedly installed on the outer wall of the grouting barrel 21, the pressure sensor 38 is flush with the designed pile top elevation, and the pressure sensor 38 is electrically connected with the conversion module through a signal wire 41; in this embodiment, the display 31 is a micro liquid crystal display.
The pressure sensor 38 converts the pressure change into a resistance change and outputs a resistance signal, and then the resistance change is transmitted to the conversion module through the signal line 41, the conversion module converts the resistance signal into an analog voltage signal and transmits the analog voltage signal to the single chip microcomputer, and the single chip microcomputer displays the numerical value through the display 31; and the pressure sensor 38 is fixedly arranged on the grouting cylinder 21, and the pressure sensor 38 is placed into the pile hole 11 and taken out of the pile hole 11 along with the grouting cylinder 21, so that the pressure sensor is convenient to place and recover. In practice, the pressure sensor 38 may be adhesively fixed to the grouting barrel 21, for example, by a magnet.
When the device is used, a constructor observes the value displayed by the display 31, when concrete poured into the pile driving hole 11 gradually submerges the pressure sensor 38, the pressure sensor 38 can be subjected to pressure from the concrete, the value displayed by the display 31 fluctuates (when slurry exists in the pile driving hole 11, the output signal of the pressure sensor 38 still changes due to the fact that the volume weight of the concrete is larger than that of the slurry and water), and when the displayed value is larger than or equal to a preset value, the constructor timely closes the pouring machine to stop pouring the concrete into the pile driving hole 11;
when the pressure sensor 38 is placed at the level with the designed pile top elevation, the value displayed by the display 31 at this time is counted as a basic value (slurry or water may exist in the pile hole 11, the basic value is not necessarily zero, when the pile hole 11 has slurry or water, the value of the display 31 when the pressure sensor 38 is submerged in the slurry or water is counted as the basic value), and the value slightly larger than the basic value is taken as a preset value to ensure that the concrete pouring can be stopped in time when the pressure sensor 38 is just submerged in the concrete.
Referring to fig. 2, in order to facilitate the use of the pressure detecting unit 3, the processing unit further includes an alarm 32, and the alarm 32 is electrically connected to the single chip microcomputer; when the analog voltage signal received by the single chip microcomputer is larger than the preset value, the single chip microcomputer starts the alarm 32 to send an alarm prompt tone to remind constructors of closing the filling machine in time, and the constructors do not need to pay attention to the display 31 in real time; in this embodiment, siren 32 adopts the flashing light siren, and the flashing light siren still can send the light of scintillation when sending out the alarm prompt tone, avoids appearing because of the job site noise is too big, and the alarm prompt tone can't be heard clearly and leads to constructor to in time close the condition of filling machine.
Further, in order to control the pressure detection unit 3 conveniently, the processing unit further comprises a control input module, and the control input module is electrically connected with the single chip microcomputer; in this embodiment, the control input module includes a power switch 33, a preset value adjusting switch 34, and an alarm volume adjusting switch 35.
Referring to fig. 1 and 3, the pressure detecting portion 3 further includes a housing 36 for mounting a processing unit; the single chip microcomputer and the conversion module are arranged in the shell 36, the display 31, the alarm 32 and the control input module are embedded in the shell 36, the pressure sensor 38 is arranged outside the shell 36, one end of the signal wire 41 is electrically connected with the conversion module in the shell 36, and the other end of the signal wire 41 extends out of the shell 36 and is electrically connected with the pressure sensor 38;
wherein, form effective protection to the core electronic component of the processing unit in the pressure detection portion 3 through casing 36 to adapt to the relatively poor construction environment of environmental condition, casing 36 provides the mounted position for display 31 and control input module simultaneously, and is integrated as an organic whole with the processing unit, easy to assemble and management.
Further, the housing 36 is fixedly arranged on the mounting plate 5, the winding wheel 6 is further arranged on the mounting plate 5, and a part of the signal wire 41 between the conversion module and the pressure sensor 38 is wound on the winding wheel.
Wherein, the pressure detection part 3 can be arranged on the operation table 22 of the perfusion apparatus through the mounting plate 5, so that the pressure detection part 3 can be used in combination with the perfusion apparatus; the winding wheel 6 is arranged on the mounting plate 5, after the use is finished, the signal wire 41 can be manually wound on the winding wheel 6 to store the signal wire 41, and meanwhile, the integrity of the pressure detection part 3 is better, and the carrying and storage management are convenient; in this example, in order to further improve the portability of the pressure detection unit 3, a grip 37 is further provided on the case 36.
Wherein, for further conveniently accomodating signal line 41, with take-up reel 6 designs the structural style that the direct signal line 41 of retrieving or paying out of accessible rotation take-up reel 6, the structure is as follows:
the winding wheel 6 comprises a middle rotating shaft, the rotating shaft is rotatably connected to the mounting plate 5 through a support 62 and is parallel to the mounting plate 5, and one end of the rotating shaft is fixedly connected with a rotating handle 61 to facilitate manual rotation;
the other end of the rotating shaft extends out of the bracket 62, one end of the rotating shaft, which is positioned outside the bracket 62, is provided with a plurality of electric brush slip rings (not shown in the figure) corresponding to the number of the wire cores of the signal wire 41, one end of the rotating shaft, which is positioned outside the bracket 62, is also sleeved with an electric brush sleeve (not shown in the figure), the electric brush sleeve is fixedly connected with the bracket 62, a plurality of electric brush sheets (not shown in the figure) are arranged in the electric brush sleeve, and the electric brush sheets are in one-to-one corresponding contact with the electric brush slip rings;
the signal wire 41 comprises a fixed section and a free section, one end of the fixed section is positioned in the shell 36 and is electrically connected with the conversion module, the other end of the fixed section is connected with the electric brush sleeve, the wire cores of the fixed section are electrically connected with the electric brush sheets in a one-to-one correspondence manner, one end of the free section is electrically connected with the pressure sensor 38, the other end of the free section is wound on the winding wheel 6, and the wire cores of the end are electrically connected with the electric brush slip rings in a one-to-one correspondence manner (the end of the free section is positioned at the inner side of the bracket, and the wire cores of the end are arranged in the rotating shaft or embedded in the rotating shaft and extend out of the bracket along the length direction of the rotating shaft to be electrically connected with the electric brush slip rings); the fixed section is not influenced by the rotation of the winding wheel 6 through the matching of the electric brush piece and the electric brush slip ring.
Referring to fig. 3 and 4, a vertical blocking plate 7 is arranged on the mounting plate 5, the rotating shaft is parallel to the blocking plate 7, a rubber sleeve 71 transversely penetrates through the blocking plate 7, the inner diameter of the rubber sleeve 71 is matched with the diameter of a free section, and the free section movably penetrates through the rubber sleeve 71 and is electrically connected with the pressure sensor 38.
After the pressure sensing detection structure is used, the pressure sensor 38 is taken out of the pile hole 11 along with the grouting cylinder 21, then the signal line 41 and the pressure sensor 38 are washed, the winding wheel 6 is rotated to withdraw the signal line 41, a large amount of water remains on the signal line 41, after the signal line 41 is wound on the winding wheel 6, the weight of the pressure detection part 3 is increased, the carrying is not facilitated, and the signal line 41 is easily corroded by a large amount of water; by arranging the blocking plate 7 and the rubber sleeve 71, since the inner diameter of the rubber sleeve 71 is matched with (equal to or close to equal to) the diameter of the signal wire 41, the signal wire 41 passes through the rubber sleeve 71 when being retracted, so that residual water on the signal wire 41 is rolled down, a large amount of water on the signal wire 41 is prevented from remaining, the blocking plate 7 isolates the signal wire 41 which does not pass through the rubber sleeve 71 from the winding wheel 6, and the water rolled down from the signal wire 41 is prevented from being sputtered onto the winding disc when the signal wire 41 is retracted.
Further, in order to prevent the signal line 41 from dropping to both sides when passing through the rubber sleeve 71, thereby causing a large friction between the signal line 41 and the rubber sleeve 71 to accelerate wear of the signal line 41 when retracting the signal line 41; the height of the rubber sleeve 71 corresponds to the height of the top point of the winding wheel 6; a guide wheel 72 is arranged on one side of the blocking plate 7, which is far away from the winding wheel 6, the rotating shaft of the guide wheel 72 is parallel to the rotating shaft of the winding wheel 6, the height of the top point of the guide wheel 72 corresponds to the height of the rubber sleeve 71, and the free section penetrates through the rubber sleeve 71 and extends downwards around the guide wheel 72 to be electrically connected with the pressure sensor 38;
the height of the top point of the winding wheel 6 and the height of the top point of the guide wheel 72 both correspond to the height of the rubber sleeve 71, so that the signal wire 41 passes through the rubber sleeve 71 in a state of being coaxial with the rubber sleeve 71 as much as possible, friction at two ends of the rubber sleeve 71 of the signal wire 41 is reduced, abrasion of the signal wire 41 is reduced, and the service life of the signal wire 41 is prolonged.
Further, in order to conveniently mount and fix the pressure sensor 38 on the grouting barrel 21, in this embodiment, the detection unit further includes a connection plate 39 and a connection rope (not shown in the figure), the pressure sensor 38 is fixedly mounted on the connection plate 39, through rope holes 40 are provided at positions of the connection plate 39 near two ends, the connection rope surrounds the grouting barrel 21, two ends of the connection rope respectively pass through the corresponding rope holes 40 and are tied on the connection plate 39, so that the pressure sensor 38 is fixedly mounted on the grouting barrel 21 and is convenient to detach; other structures may be used to implement the above-described functions, and are not specifically limited herein.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (8)
1. A bored concrete pile concrete depth pressure induction detection structure comprises a pile hole vertically drilled on the ground, a reinforcement cage is arranged in the pile hole, a filling machine is arranged on the ground, and a grouting cylinder of the filling machine extends into the pile hole so as to fill concrete; the method is characterized in that: the pressure detection part is arranged on the perfusion machine;
pressure detection portion includes processing unit and detecting element, processing unit includes the singlechip, the singlechip electricity is connected with conversion module and display, detecting element includes pressure sensor, pressure sensor fixed mounting be in on the grout section of thick bamboo, and the pile bolck elevation department parallel and level of pressure sensor and design, pressure sensor passing signal line is connected with the conversion module electricity.
2. The cast-in-place pile concrete depth pressure sensing detection structure of claim 1, characterized in that: the processing unit further comprises an alarm which is electrically connected with the single chip microcomputer.
3. The cast-in-place pile concrete depth pressure sensing detection structure of claim 2, characterized in that: the processing unit further comprises a control input module, and the control input module is electrically connected with the single chip microcomputer.
4. The cast-in-place pile concrete depth pressure sensing detection structure of claim 3, characterized in that: the pressure detection part further comprises a shell for mounting the processing unit;
the single chip microcomputer and the conversion module are arranged in the shell, the display, the alarm and the control input module are embedded in the shell, the pressure sensor is arranged outside the shell, one end of the signal line is electrically connected with the conversion module in the shell, and the other end of the signal line extends out of the shell and is electrically connected with the pressure sensor.
5. The cast-in-place pile concrete depth pressure sensing detection structure of claim 4, characterized in that: the shell is fixedly arranged on the mounting plate, the mounting plate is further provided with a winding wheel, and part of signal wires between the conversion module and the pressure sensor are wound on the winding wheel.
6. The cast-in-place pile concrete depth pressure sensing detection structure of claim 5, characterized in that: the winding wheel comprises a rotating shaft in the middle, the rotating shaft is rotatably connected to the mounting plate through a support and is parallel to the mounting plate, and one end of the rotating shaft is fixedly connected with a rotating handle;
the other end of the rotating shaft extends out of the bracket, a plurality of electric brush slip rings corresponding to the wire cores of the signal wires in number are arranged on the end of the rotating shaft, which is positioned outside the bracket, is also sleeved with an electric brush sleeve, the electric brush sleeve is fixedly connected with the bracket, a plurality of electric brush sheets are arranged in the electric brush sleeve, and the electric brush sheets are in one-to-one corresponding contact connection with the electric brush slip rings;
the signal line includes canned paragraph and free section, the one end of canned paragraph is located the casing and is connected with the conversion module electricity, and the other end of canned paragraph is connected with the brush cover and the sinle silk of canned paragraph is connected with the brush piece one-to-one electricity, the one end of free section is connected with pressure sensor electricity, and the other end of free section is around locating on the take-up pulley and the sinle silk of this end is connected with brush sliding ring one-to-one electricity.
7. The cast-in-place pile concrete depth pressure sensing detection structure of claim 6, characterized in that: the mounting plate is provided with a vertical stop plate, the rotating shaft is parallel to the stop plate, a rubber sleeve transversely penetrates through the stop plate, the inner diameter of the rubber sleeve is matched with the diameter of the free section, and the free section movably penetrates through the rubber sleeve to be electrically connected with the pressure sensor.
8. The cast-in-place pile concrete depth pressure sensing detection structure of claim 7, characterized in that: the height of the rubber sleeve corresponds to the height of the top point of the winding wheel;
and a guide wheel is arranged on one side, away from the winding wheel, of the blocking plate, a rotating shaft of the guide wheel is parallel to that of the winding wheel, the height of the top point of the guide wheel corresponds to that of the rubber sleeve, and the free section penetrates through the rubber sleeve and extends downwards around the guide wheel to be electrically connected with the pressure sensor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121885078.8U CN214940498U (en) | 2021-08-12 | 2021-08-12 | Bored concrete pile concrete degree of depth forced induction detects structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121885078.8U CN214940498U (en) | 2021-08-12 | 2021-08-12 | Bored concrete pile concrete degree of depth forced induction detects structure |
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| CN214940498U true CN214940498U (en) | 2021-11-30 |
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| CN202121885078.8U Active CN214940498U (en) | 2021-08-12 | 2021-08-12 | Bored concrete pile concrete degree of depth forced induction detects structure |
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