CN110779453A - Sensor and detection device for concrete pouring state detection - Google Patents
Sensor and detection device for concrete pouring state detection Download PDFInfo
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- CN110779453A CN110779453A CN201911259009.3A CN201911259009A CN110779453A CN 110779453 A CN110779453 A CN 110779453A CN 201911259009 A CN201911259009 A CN 201911259009A CN 110779453 A CN110779453 A CN 110779453A
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- 239000004567 concrete Substances 0.000 title claims abstract description 46
- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 238000009415 formwork Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention provides a sensor for detecting a concrete pouring state. Comprises a transmitting unit, a receiving unit and a mounting seat; the transmitting unit and the receiving unit are connected to the mounting seat in a threaded manner; the transmitting unit comprises a circuit board, a light source transmitting device, a connecting piece, a light-transmitting element and an aviation plug; the connecting piece is tubular, internal threads are arranged at two ends of the connecting piece, one end of the connecting piece is in threaded connection with the aviation plug, and the other end of the connecting piece is in threaded connection with the light-transmitting element; the light source emitting device and the circuit board are arranged in the connecting piece; the receiving unit is used for receiving the signal sent by the transmitting unit and outputting the detection data. The invention also provides a concrete pouring state detection device, which comprises a plurality of sensors which are uniformly distributed along the arch surface of the trolley; the mounting seat is installed on the trolley template through bolt connection. The invention has simple and convenient integral structure and compact size, and the connecting piece, the light-transmitting element and the aviation plug are connected by threads, thus being easy to disassemble, assemble and maintain; the detection mode is simple and convenient, and the detection effect is reliable.
Description
Technical Field
The invention relates to the technical field of tunnel construction equipment, in particular to a sensor and a detection device for detecting a concrete pouring state.
Background
In the tunnel construction process, the secondary lining is a molded concrete or reinforced concrete lining applied on the inner side of the primary support, and forms a composite lining together with the primary support. In the concrete pouring process, in order to ensure the pouring quality, the state of the pouring space is often monitored in real time, so as to guide the pouring construction process.
On the existing secondary lining, a common detection method comprises the steps of installing a camera, an electrode plate, a detection pipe, a pressure sensor and the like, and realizing the detection of the height, the compactness and the like of the lining concrete. The image that the camera was gathered wherein needs the manual work to judge, and single camera can not monitor whole pouring space simultaneously moreover, and the mode that the electrode slice detected need install the electrode slice before pouring at every turn, so the detection to the vault position is limited, and the mode of installation detecting tube needs the manual work to judge the pouring position and need in time handle the detecting tube pouring the in-process. The method can not comprehensively monitor the pouring process, and the detection device is unreliable and unstable.
In summary, there is an urgent need for a concrete pouring state detection device to solve the problems existing in the prior art.
Disclosure of Invention
The invention aims to provide a sensor and a detection device for detecting a concrete pouring state, which are suitable for automatically detecting the pouring height state in the construction process of a secondary lining trolley in real time.
In order to achieve the above object, the present invention provides a sensor for detecting a concrete pouring state, comprising a transmitting unit, a receiving unit and a mounting base; the transmitting unit and the receiving unit are connected to the mounting seat in a threaded manner; the transmitting unit comprises a circuit board, a light source transmitting device, a connecting piece, a light-transmitting element and an aviation plug; the connecting piece is tubular, internal threads are arranged at two ends of the connecting piece, one end of the connecting piece is in threaded connection with the aviation plug, and the other end of the connecting piece is in threaded connection with the light-transmitting element; the light source emitting device and the circuit board are arranged in the connecting piece and are arranged in a clamping groove type connection mode or a double-component glue solution integral glue sealing mode; the receiving unit and the transmitting unit have the same structural form, and only the integrated circuit on the circuit board is different; and the receiving unit is used for receiving the signal which is sent by the transmitting unit and reflected by the concrete surface and outputting detection data.
Preferably, the joint of the connecting piece and the light-transmitting element is sealed by an O-shaped ring.
Preferably, the contact surface of the light-transmitting element and the concrete is provided with a chamfer, so that the sensor is convenient to disassemble; the surface of the light-transmitting element is pasted with the toughened film for enhancing the wear resistance of the light-transmitting element and prolonging the service life of the light-transmitting element.
Preferably, the connecting piece is made of stainless steel; the light-transmitting element is made of organic glass or toughened glass.
Preferably, a sealing gasket is arranged on the contact surface of the mounting seat and the trolley template.
Preferably, an external thread is arranged at one end of the connecting piece connected with the light-transmitting element, and a threaded hole matched with the external thread of the connecting piece is formed in the mounting seat; the size of the threaded hole is the same as that of a threaded mounting hole of a standard pressure sensor or a standard temperature sensor.
Preferably, the mounting seat is in threaded connection with the connecting piece, and the connecting piece is in threaded connection with the light-transmitting element in a reverse threaded connection mode.
Preferably, an ED ring or an O-shaped ring is used for sealing between the sensor and the mounting seat.
Preferably, the end face of the light-transmitting element is 0.5-3mm higher than the bottom face of the mounting seat, so that the light coverage and receiving range are ensured.
The invention also provides a concrete pouring state detection device which comprises a plurality of sensors, wherein the sensors are uniformly distributed along the arch surface of the trolley; the mounting seat is connected and mounted on the trolley template through a bolt; in the concrete pouring process, the sensors arranged at different height positions are sequentially covered by the concrete so as to detect the concrete pouring height state in real time.
The technical scheme of the invention has the following beneficial effects:
(1) according to the invention, the sensor is simple and convenient in integral structure and compact in size, and the connecting piece, the light-transmitting element and the aviation plug are in threaded connection, so that the sensor is easy to disassemble, assemble and maintain; based on the mode of illuminance detection, the lining concrete is judged to cover the illuminance detection unit, and the change of illuminance detected by the detection element is utilized to generate the switching of the signal state as the judgment condition of concrete pouring height detection. The method has the advantages of simple detection mode, reliable detection effect and the like.
(2) In the invention, the connecting piece is made of stainless steel, so that the strength and the stability of the sensor are effectively ensured. The connecting piece is tubular design, so that the sectional area of the sensor mounted on the trolley template is effectively controlled, and the influence of the opening size on the structural strength of the trolley is reduced.
(3) In the invention, the whole mounting seat adopts an integrated and modular design, the sensor threaded interface adopts a universal pressure sensor interface, the mounting seat can be replaced with a pressure sensor in practical application, and a temperature sensor interface is reserved, so that the omnibearing detection of the lining state is realized.
(4) According to the invention, the connection part of the connecting piece and the light-transmitting element is sealed by adopting the O-shaped ring, and the sensor and the mounting seat are sealed by adopting the ED ring or the O-shaped ring, so that the light source detection sensor has waterproof sealing performance and can stably and reliably operate.
(5) In the invention, the contact surface of the light-transmitting element and the concrete is provided with a chamfer, so that the sensor is convenient to disassemble; the surface of the light-transmitting element is pasted with the toughened film for enhancing the wear resistance of the light-transmitting element and prolonging the service life of the light-transmitting element.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of detecting the concrete pouring height of a lining trolley by using illuminance;
FIG. 2 is a schematic view of the detection device mounted on a trolley;
FIG. 3 is a schematic view of the overall structure of the detecting device;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic diagram of a sensor structure;
FIG. 6 is a cross-sectional view of a sensor structure;
the light source emitting device comprises a light transmitting unit 1, a transmitting unit 1.1, a connecting piece 1.2, an aviation plug 1.3, a light transmitting element 1.4, a light source emitting device 1.5, a circuit board 1.6, an O-shaped ring 2, a receiving unit 3, a mounting seat 3.1, a reserved interface 4, a bolt fastener 5, an ED ring 100, a sensor 300 and a lining trolley.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example 1:
referring to fig. 1 to 6, the present embodiment is applied to detection of concrete pouring conditions of a lining trolley.
A sensor for detecting a concrete pouring state comprises a transmitting unit 1, a receiving unit 2 and a mounting base 3; the transmitting unit 1 and the receiving unit 2 are connected to the mounting base 3 in a threaded manner; the transmitting unit 1 comprises a circuit board 1.5, a light source transmitting device 1.4, a connecting piece 1.1, a light-transmitting element 1.3 and an aviation plug 1.2; the connecting piece 1.1 is tubular, internal threads are arranged at two ends of the connecting piece 1.1, one end of the connecting piece 1.1 is in threaded connection with the aviation plug 1.2, and the other end of the connecting piece 1.1 is in threaded connection with the light-transmitting element 1.3; the joint of the connecting piece 1.1 and the light-transmitting element 1.3 is sealed by an O-shaped ring 1.6. The light source emitting device 1.4 and the circuit board 1.5 are arranged in the connecting piece 1.1 and are arranged in a clamping groove type connection mode or a double-component glue solution integral glue sealing mode, and the light source emitting device 1.4 adopts an LED light source; the receiving unit 2 and the transmitting unit 1 have the same structural form, and only the integrated circuit on the circuit board is different; and the receiving unit 2 is used for receiving the signal which is sent by the transmitting unit 1 and reflected by the concrete surface and outputting detection data.
The contact surface of the light-transmitting element 1.3 and the concrete is provided with a chamfer, so that the transmitting unit 1 or the receiving unit 2 is convenient to disassemble; considering that concrete gravels are rough, a toughened film can be adhered to the surface of the light-transmitting element 1.3 so as to enhance the wear resistance of the light-transmitting element 1.3 and prolong the service life of the light-transmitting element 1.3.
The connecting piece 1.1 is made of stainless steel, so that the strength of the sensor is effectively guaranteed. The transparent component is made of transparent materials such as organic glass or toughened glass, and the organic glass is preferably selected in the embodiment.
The one end that connecting piece 1.1 and printing opacity component 1.3 are connected has the external screw thread, is equipped with the screw hole with connecting piece 1.1 external screw thread assorted on mount pad 3. And an ED ring 5 or an O-shaped ring 1.6 is adopted for sealing between the sensor and the mounting seat 3.
The number of the mounting seat threaded holes is three, the size of the threaded holes is the same as that of the threaded mounting holes of the standard pressure sensor, as shown in fig. 4, two sensors are mounted, the reserved interface 3.1 can be used for mounting the pressure sensor or the temperature sensor, the universality is high, and the replacement is convenient.
The light-transmitting element 1.3 is in threaded connection with the connecting piece 1.1, and the connecting piece 1.1 is in threaded connection with the mounting seat 3 in a reverse threaded connection mode. If the connection thread direction of the light-transmitting element 1.3 and the stainless steel connector 1.1 is left-handed, the thread direction of the mounting base 3 and the connector 1.1 is right-handed.
As shown in figure 1, the end face of the light-transmitting element 1.3 is 0.5-3mm higher than the bottom surface of the mounting seat 3 (i.e. higher than the top plate surface of the trolley), so that the illumination coverage and receiving range is ensured, and the detection accuracy is improved.
A concrete pouring state detection device comprises a plurality of sensors 100, wherein the sensors 100 are uniformly distributed along the arch surface of a trolley. The mounting seat 3 is mounted on the trolley template through a bolt fastener 4, and a sealing gasket is arranged on the contact surface of the mounting seat 3 and the trolley template so as to realize sealing, as shown in fig. 1 and 2.
According to different pouring heights, a plurality of round holes and thread mounting holes are formed in the lining trolley 300 along the arched surface of the trolley. The tubular design of connecting piece 1.1 has effectually controlled the sectional area of sensor installation on the platform truck template, has reduced the influence of trompil size to platform truck structural strength.
The concrete pouring state detection device has the working principle that: the LED light source guarantees the required illuminance of the sensor in the dark environment when the sensor works normally, the receiving unit 2 collects the illuminance in real time and outputs the magnitude of the detected data, and the data reflects the illuminance of the glass entering the top of the sensor in real time and is processed by a controller configured by a trolley electrical control system. In the concrete pouring process, the sensor devices arranged at different height positions are sequentially covered by concrete, and the control system can detect the height state of the concrete pouring in real time so as to guide the whole pouring process.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A sensor for detecting a concrete pouring state is characterized by comprising a transmitting unit, a receiving unit and a mounting seat; the transmitting unit and the receiving unit are connected to the mounting seat in a threaded manner; the transmitting unit comprises a circuit board, a light source transmitting device, a connecting piece, a light-transmitting element and an aviation plug; the connecting piece is tubular, internal threads are arranged at two ends of the connecting piece, one end of the connecting piece is in threaded connection with the aviation plug, and the other end of the connecting piece is in threaded connection with the light-transmitting element; the light source emitting device and the circuit board are arranged in the connecting piece and are arranged in a clamping groove type connection mode or a double-component glue solution integral glue sealing mode; the receiving unit and the transmitting unit have the same structural form, and only the integrated circuit on the circuit board is different; and the receiving unit is used for receiving the signal which is sent by the transmitting unit and reflected by the concrete surface and outputting detection data.
2. The concrete placement state detection sensor according to claim 1, wherein a joint between the connecting member and the light transmitting member is sealed with an O-ring.
3. The concrete placement state detection sensor according to claim 2, wherein a contact surface of the light transmitting element and concrete is chamfered to facilitate detachment of the sensor; the surface of the light-transmitting element is pasted with the toughened film for enhancing the wear resistance of the light-transmitting element and prolonging the service life of the light-transmitting element.
4. The concrete placement state detection sensor according to claim 3, wherein said connecting member is made of a stainless steel material; the light-transmitting element is made of organic glass or toughened glass.
5. The concrete placement state detection sensor according to claim 4, wherein a sealing gasket is provided on a contact surface of the mount base and the trolley formwork.
6. The sensor for detecting the concrete pouring state according to claim 5, wherein an external thread is arranged at one end of the connecting piece connected with the light-transmitting element, and a threaded hole matched with the external thread of the connecting piece is arranged on the mounting seat; the size of the threaded hole is the same as that of a threaded mounting hole of a standard pressure sensor or a standard temperature sensor.
7. The concrete placement state detection sensor according to claim 6, wherein the mount is screw-coupled to the connector and the connector is screw-coupled to the light transmitting member in a reverse screw manner.
8. The concrete placement state detection sensor according to claim 7, wherein the sensor is sealed with the mounting seat by an ED ring or an O-ring.
9. The concrete placement state detection sensor according to claim 8, wherein the end surface of the light transmitting member is higher than the bottom surface of the mounting seat by 0.5-3mm, ensuring a light coverage and reception range.
10. A concrete pouring state detection apparatus comprising a plurality of sensors as claimed in any one of claims 1 to 9, the plurality of sensors being uniformly distributed along an arcuate surface of a trolley; the mounting seat is connected and mounted on the trolley template through a bolt; in the concrete pouring process, the sensors arranged at different height positions are sequentially covered by the concrete so as to detect the concrete pouring height state in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911259009.3A CN110779453A (en) | 2019-12-10 | 2019-12-10 | Sensor and detection device for concrete pouring state detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911259009.3A CN110779453A (en) | 2019-12-10 | 2019-12-10 | Sensor and detection device for concrete pouring state detection |
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| CN110779453A true CN110779453A (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911259009.3A Pending CN110779453A (en) | 2019-12-10 | 2019-12-10 | Sensor and detection device for concrete pouring state detection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111595784A (en) * | 2020-06-02 | 2020-08-28 | 中国铁建重工集团股份有限公司 | Real-time detection method for compactness of perfusion vault |
| CN113356567A (en) * | 2021-06-03 | 2021-09-07 | 张忠良 | Intelligent template for building construction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444289A (en) * | 2011-11-18 | 2012-05-09 | 河海大学 | Concrete pouring and vibrating dynamic visualization monitoring method |
| CN107003174A (en) * | 2016-04-15 | 2017-08-01 | 五洋建设株式会社 | Bulk material detection means and mesa-shaped thing build method |
| CN109738018A (en) * | 2019-01-25 | 2019-05-10 | 中国铁建重工集团有限公司 | Detection device, perfusion situation detection method, trolley and readable storage medium storing program for executing |
| CN110185472A (en) * | 2019-06-23 | 2019-08-30 | 四川奥达智远科技有限公司 | Tunnel Second Lining Construction process monitoring system |
| CN210773921U (en) * | 2019-12-10 | 2020-06-16 | 中国铁建重工集团股份有限公司 | Sensor and detection device for concrete pouring state detection |
-
2019
- 2019-12-10 CN CN201911259009.3A patent/CN110779453A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444289A (en) * | 2011-11-18 | 2012-05-09 | 河海大学 | Concrete pouring and vibrating dynamic visualization monitoring method |
| CN107003174A (en) * | 2016-04-15 | 2017-08-01 | 五洋建设株式会社 | Bulk material detection means and mesa-shaped thing build method |
| CN109738018A (en) * | 2019-01-25 | 2019-05-10 | 中国铁建重工集团有限公司 | Detection device, perfusion situation detection method, trolley and readable storage medium storing program for executing |
| CN110185472A (en) * | 2019-06-23 | 2019-08-30 | 四川奥达智远科技有限公司 | Tunnel Second Lining Construction process monitoring system |
| CN210773921U (en) * | 2019-12-10 | 2020-06-16 | 中国铁建重工集团股份有限公司 | Sensor and detection device for concrete pouring state detection |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111595784A (en) * | 2020-06-02 | 2020-08-28 | 中国铁建重工集团股份有限公司 | Real-time detection method for compactness of perfusion vault |
| CN113356567A (en) * | 2021-06-03 | 2021-09-07 | 张忠良 | Intelligent template for building construction |
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