CN215373937U - Monitoring devices that road bed subsides - Google Patents
Monitoring devices that road bed subsides Download PDFInfo
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- CN215373937U CN215373937U CN202121273716.0U CN202121273716U CN215373937U CN 215373937 U CN215373937 U CN 215373937U CN 202121273716 U CN202121273716 U CN 202121273716U CN 215373937 U CN215373937 U CN 215373937U
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Abstract
The utility model discloses a roadbed settlement monitoring device which comprises a horizontally arranged pressing plate, wherein a detection rod is vertically arranged in the middle of the bottom of the pressing plate, the top end of the detection rod is detachably matched with the pressing plate, a settlement monitoring pipe is vertically arranged in the detection rod, and the positions of the settlement monitoring pipe and the detection rod are relatively fixed; the sedimentation monitoring device also comprises a transparent contrast pipe which is vertically arranged and communicated with the sedimentation monitoring pipe. Has the advantages that: when the subgrade is settled, the pressing plate arranged at the upper position drives the detection rod to displace, so that the measurement error caused by subgrade compression can be reduced, and the measurement precision of the subgrade settlement value is improved; the settlement monitoring pipe, the contrast pipe and the communicating pipe form a communicating vessel, so that the settlement state of the roadbed can be directly observed through the contrast pipe on the outer side of the roadbed, and settlement observation is more convenient and faster; settlement monitoring does not need to be assisted by and pre-buried electronic equipment, and simple structure, preparation and use cost are low.
Description
Technical Field
The utility model relates to the technical field of roadbed quality monitoring, in particular to a roadbed settlement monitoring device.
Background
Roadbed settlement monitoring is one of important detection items of road construction quality. The conventional monitoring methods mainly include single-point settlement, layered settlement, cross section settlement and longitudinal section settlement, and the adopted monitoring methods include a settlement plate method, an electromagnetic type settlement meter, a soil displacement meter, a side inclined tube method and the like. When the existing settlement monitoring method is used in practice, the measured settlement value is often smaller than the actual settlement value because the compression exists in the subgrade settlement process and the settlement monitoring position is usually lower; meanwhile, the use cost of the settlement monitoring equipment and accessories is high. Based on this, the applicant proposes a settlement monitoring device with high measurement accuracy and low use cost.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to provide a roadbed settlement monitoring device to solve the above problems, and a preferable embodiment of the present invention includes: the method has the technical effects of convenience in use, low use cost, high measuring precision of subgrade settlement and the like, and is explained in detail below.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a roadbed settlement monitoring device which comprises a horizontally arranged pressing plate, wherein a detection rod is vertically arranged in the middle of the bottom of the pressing plate, the top end of the detection rod is detachably matched with the pressing plate, a settlement monitoring pipe is vertically arranged in the detection rod, and the positions of the settlement monitoring pipe and the detection rod are relatively fixed;
the device also comprises a transparent contrast pipe which is vertically arranged and communicated with the sedimentation monitoring pipe, the height of the top end of the contrast pipe is not lower than that of the top end of the sedimentation monitoring pipe, and the top ends of the contrast pipe and the sedimentation monitoring pipe are both provided with pressure equalizing holes.
Preferably, the control tube is communicated with the settlement monitoring tube through a communicating tube, the connecting position of the communicating tube and the settlement monitoring tube is located on one side of the lower part of the settlement monitoring tube, the communicating position of the communicating tube and the control tube is located on one side of the lower part of the control tube, and the communicating tube is connected with one end of the control tube, and the height of the communicating tube is not higher than that of the other end of the control tube.
Preferably, the detection rod is formed with a lead part, the lead part is a through hole formed in a side surface of the detection rod, and the communication pipe penetrates through the through hole and then is communicated with the sedimentation monitoring pipe.
Preferably, the detection rod is internally provided with a monitoring tube positioning cavity, the detection rod is connected with an opening communicated with the monitoring tube positioning cavity formed at one end of the pressing plate, and the settlement monitoring tube is positioned in the middle of the monitoring tube positioning cavity.
Preferably, the top end of the detection rod is provided with a threaded joint, and a threaded hole matched with the threaded joint is formed in the middle of the bottom of the pressure plate.
Preferably, the top of the monitoring pipe positioning cavity is provided with a ventilation limiting part, the upper surface of the ventilation limiting part is tightly propped against the bottom of the threaded hole, the lower surface of the ventilation limiting part is tightly propped against the sedimentation monitoring pipe, and a ventilation gap is arranged on the contact surface of the ventilation limiting part and the sedimentation monitoring pipe.
Preferably, the ventilative spacing portion is the rubber buffer, and the bottom shaping of this rubber buffer has a plurality of ventilative grooves.
In conclusion, the beneficial effects of the utility model are as follows: 1. when the subgrade is settled, the pressing plate arranged at the upper position drives the detection rod to displace, so that the measurement error caused by subgrade compression can be reduced, and the measurement precision of the subgrade settlement value is improved;
2. the settlement monitoring pipe, the contrast pipe and the communicating pipe form a communicating vessel, so that the settlement state of the roadbed can be directly observed through the contrast pipe on the outer side of the roadbed, and settlement observation is more convenient and faster;
3. settlement monitoring does not need to be assisted by and pre-buried electronic equipment, and simple structure, preparation and use cost are low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
The reference numerals are explained below:
1. pressing a plate; 2. a detection lever; 3. monitoring the tube positioning cavity; 4. a settlement monitoring pipe; 5. a lead part; 6. A communicating pipe; 7. a pipe frame; 8. taking a control; 9. a threaded hole; 10. a threaded joint; 11. a ventilation limiting part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1-2, the utility model provides a roadbed settlement monitoring device, which comprises a horizontally arranged pressing plate 1, wherein a detection rod 2 is vertically arranged in the middle of the bottom of the pressing plate 1, the top end of the detection rod 2 is detachably matched with the pressing plate 1, a settlement monitoring pipe 4 is vertically arranged in the detection rod 2, and the settlement monitoring pipe 4 and the detection rod 2 are relatively fixed; the device is characterized by further comprising a transparent comparison tube 8, the comparison tube 8 is vertically arranged and is communicated with the settlement monitoring tube 4, the height of the top end of the comparison tube 8 is not lower than that of the top end of the settlement monitoring tube 4, and pressure equalizing holes are formed in the top ends of the comparison tube 8 and the settlement monitoring tube 4. When the device is used, the pipe support 7 is arranged at the lower part of the contrast pipe 8 and is in inserted connection and matching with the contrast pipe 8, then the pipe support 7 is embedded in the side surface of a roadbed and is fixed, after the roadbed subsides, the pressing plate 1 and the detection rod 2 can be driven to move downwards, and after the pressing plate 1 and the detection rod 2 are embedded, sufficient water is injected into the contrast pipe 8, and the liquid level in the contrast pipe 8 is stable and is marked; then, in the monitoring process, as the pressing plate 1 moves down along with the roadbed, the top end of the settlement monitoring pipe 4 is driven to move down, and according to the principle of a communicating vessel, the liquid level in the comparison pipe 8 also moves along with the movement of the top end of the settlement monitoring pipe 4, namely, the liquid level in the comparison pipe 8 can be observed to be compared with the mark so as to judge the settlement height of the roadbed.
As an optional embodiment, the reference pipe 8 is communicated with the settlement monitoring pipe 4 through a communicating pipe 6, the connection position of the communicating pipe 6 and the settlement monitoring pipe 4 is located on one side of the lower part of the settlement monitoring pipe 4, the communication position of the communicating pipe 6 and the reference pipe 8 is located on one side of the lower part of the reference pipe 8, and the height of one end of the communicating pipe 6 connected with the reference pipe 8 is not higher than that of the other end; thus, the liquid level position can be observed in the contrast pipe 8 after water injection in the initial state; a lead part 5 is formed on the detection rod 2, the lead part 5 is a through hole formed on the side surface of the detection rod 2, and the communicating pipe 6 penetrates through the through hole and then is communicated with the settlement monitoring pipe 4; the detection rod 2 can be a steel pipe or a stainless steel pipe, the bottom of the detection rod is sealed, and the bottom of the detection rod can be arranged to be sharp for positioning convenience;
a monitoring tube positioning cavity 3 is formed in the detection rod 2, an opening communicated with the monitoring tube positioning cavity 3 is formed at one end of the detection rod 2 connected with the pressing plate 1, and the settlement monitoring tube 4 is positioned in the middle of the monitoring tube positioning cavity 3; the top end of the detection rod 2 is provided with a threaded joint 10, and the middle of the bottom of the pressure plate 1 is provided with a threaded hole 9 matched with the threaded joint 10; the top of the monitoring pipe positioning cavity 3 is provided with a ventilation limiting part 11, the upper surface of the ventilation limiting part 11 is tightly propped against the bottom of the threaded hole 9, the lower surface of the ventilation limiting part 11 is tightly propped against the sedimentation monitoring pipe 4, and a ventilation gap is arranged on the contact surface of the ventilation limiting part 11 and the sedimentation monitoring pipe 4; the ventilative spacing portion 11 is the rubber buffer or the plastics stopper, and the bottom shaping of this rubber buffer has a plurality of ventilative grooves, and the diameter in pressure-equalizing hole is greater than the clearance between the ventilative groove to ensure pressure-equalizing hole normal operating.
By adopting the structure, when the subgrade is settled, the pressing plate 1 arranged at the upper position drives the detection rod 2 to displace, so that the measurement error caused by subgrade compression can be reduced, and the measurement precision of the subgrade settlement value is improved; the settlement monitoring pipe 4, the contrast pipe 8 and the communicating pipe 6 form a communicating vessel, so that the settlement state of the roadbed can be directly observed through the contrast pipe 8 on the outer side of the roadbed, and settlement observation is more convenient and faster; settlement monitoring does not need to be assisted by and pre-buried electronic equipment, and simple structure, preparation and use cost are low.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (7)
1. The monitoring device for subgrade settlement is characterized by comprising a horizontally arranged pressing plate (1), wherein a detection rod (2) is vertically arranged in the middle of the bottom of the pressing plate (1), the top end of the detection rod (2) is detachably matched with the pressing plate (1), a settlement monitoring pipe (4) is vertically arranged in the detection rod (2), and the settlement monitoring pipe (4) and the detection rod (2) are relatively fixed;
the device is characterized by further comprising a transparent contrast pipe (8), the contrast pipe (8) is vertically arranged and is communicated with the settlement monitoring pipe (4), the top end of the contrast pipe (8) is not lower than the top end of the settlement monitoring pipe (4), and pressure equalizing holes are formed in the top ends of the contrast pipe (8) and the settlement monitoring pipe (4).
2. The apparatus for monitoring subgrade settlement according to claim 1, wherein: the control tube (8) is communicated with the settlement monitoring tube (4) through a communicating tube (6), the connecting position of the communicating tube (6) and the settlement monitoring tube (4) is positioned on one side of the lower part of the settlement monitoring tube (4), the communicating position of the communicating tube (6) and the control tube (8) is positioned on one side of the lower part of the control tube (8), and the communicating tube (6) is connected with one end of the control tube (8) and is not higher than the other end of the control tube (8).
3. The apparatus for monitoring subgrade settlement according to claim 2, wherein: lead wire portion (5) is formed on detection pole (2), and this lead wire portion (5) are the shaping and are in the through-hole of detection pole (2) side, communicating pipe (6) run through behind this through-hole with subside monitoring tube (4) intercommunication.
4. The apparatus for monitoring subgrade settlement according to claim 1, wherein: the detection rod (2) is internally provided with a monitoring pipe positioning cavity (3), the detection rod (2) is connected with an opening communicated with the monitoring pipe positioning cavity (3) formed at one end of the pressing plate (1), and the settlement monitoring pipe (4) is positioned in the middle of the monitoring pipe positioning cavity (3).
5. A subgrade settlement monitoring device according to claim 4, characterized in that: the top end of the detection rod (2) is provided with a threaded connector (10), and a threaded hole (9) matched with the threaded connector (10) is formed in the middle of the bottom of the pressing plate (1).
6. A subgrade settlement monitoring device according to claim 5, characterized in that: the top of monitoring pipe location chamber (3) is provided with ventilative spacing portion (11), ventilative spacing portion (11) upper surface with the bottom top of screw hole (9) is tight, the lower surface with subside monitoring pipe (4) top is tight, and this ventilative spacing portion (11) with the contact surface of subsiding monitoring pipe (4) is provided with ventilative clearance.
7. The apparatus for monitoring subgrade settlement according to claim 6, wherein: the ventilative spacing portion (11) are rubber plugs, and the bottom shaping of this rubber plug has a plurality of ventilative grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121273716.0U CN215373937U (en) | 2021-06-08 | 2021-06-08 | Monitoring devices that road bed subsides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121273716.0U CN215373937U (en) | 2021-06-08 | 2021-06-08 | Monitoring devices that road bed subsides |
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| Publication Number | Publication Date |
|---|---|
| CN215373937U true CN215373937U (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121273716.0U Active CN215373937U (en) | 2021-06-08 | 2021-06-08 | Monitoring devices that road bed subsides |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353773A (en) * | 2022-01-11 | 2022-04-15 | 中启胶建集团有限公司 | Building engineering straightness detection device that hangs down convenient to remove |
-
2021
- 2021-06-08 CN CN202121273716.0U patent/CN215373937U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353773A (en) * | 2022-01-11 | 2022-04-15 | 中启胶建集团有限公司 | Building engineering straightness detection device that hangs down convenient to remove |
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