CN103851984A - Multipoint displacement meter capable of artificial measurement, electric measurement or remote measurement and mounting and application method - Google Patents
Multipoint displacement meter capable of artificial measurement, electric measurement or remote measurement and mounting and application method Download PDFInfo
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- CN103851984A CN103851984A CN201410119498.3A CN201410119498A CN103851984A CN 103851984 A CN103851984 A CN 103851984A CN 201410119498 A CN201410119498 A CN 201410119498A CN 103851984 A CN103851984 A CN 103851984A
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Abstract
The invention discloses a multipoint displacement meter capable of artificial measurement, electric measurement or remote measurement. The multipoint displacement meter consists of a displacement measuring end (comprising an instrument protecting bucket as well as displacement sensors and components arranged inside the instrument protecting bucket), anchoring parts, connecting rods and a protecting tube, wherein the anchoring parts are arranged on the connecting rods. The multipoint displacement meter is characterized in that artificial measurement mechanical rods are arranged inside the displacement measuring end; the artificial measurement mechanical rods are connected with the displacement sensors and the connecting rods; an artificial measurement reference disc is arranged at the upper end of the instrument protecting bucket; artificial measurement holes are formed in the artificial measurement reference disc; the positions of the artificial measurement holes correspond to the positions of the artificial measurement mechanical rods one to one. By adopting the multipoint displacement meter, not only are two methods of two-time meter measurement and direct artificial read measurement utilized, but also the measurement values of the two methods can be checked. The multipoint displacement meter can be arranged in different soil bodies and rock in any direction, and is convenient to bury and mount. The multipoint displacement meter is simple to machine and easy to implement.
Description
Technical field
The invention belongs to Geotechnical Engineering monitoring technical field; Be specifically related to a kind of can manual measurement and the multipoint displacement meter of electrical measurement or remote measurement.The invention still further relates to this can manual measurement and installation, the using method of the multipoint displacement meter of electrical measurement or remote measurement.
Background technology
The Geotechnical Engineerings such as reservoir dam, side slope, embankment, roadbed, subway, tunnel, mine, ground processing start all processes that finishes to come into operation to engineering from construction, all need building safety performance and running status to carry out Monitoring and Controlling, safety monitoring has become indispensable important content in construction project.Measure in the surveying work that inner length travel is widely used in the engineerings such as building, water conservancy, electric power, traffic with multipoint displacement meter at present.
Multipoint displacement meter is a kind of simple and practical inside length travel monitoring instrument, is mounted in boring and measures for measuring rock and xoncrete structure accurate multi-point displacement along its length, and it can be single Measuring Point Structure, can be also multi-measuring point structure.Multipoint displacement meter chief component comprises: displacement gauge head (can manually gather or automatic digital collection), anchoring piece (single-point type or multipoint mode), connecting link (glass fibre or stainless steel material) and protection tube (nylon tube or pvc pipe).Anchoring piece is arranged on and connects on masthead, and the Embedment and installation of connecting link will be connected to displacement gauge head datum plate from monitoring point for displacement always.In the time being in the milk, slurries can be by not dead connecting link bag for the protection of connecting link for protection tube.When monitoring, read displacement data at displacement gauge head datum plate place, calculate and connect the length of masthead anchoring piece anchor head to reference surface datum plate, the variation of length data has illustrated that displacement changes.Change in displacement, take a stable elevation as reference point measurement data, can be used for analyzing formation variations speed and acceleration of motion and calculate strain.
The multipoint displacement meter displacement gauge head that adopts mostly is type vibration wire or potentiometric transducer at present, and measurement must be measured by secondary instrument, also will just can obtain displacement through calculating, and can not reflect intuitively that the inside length travel that will measure changes.
Summary of the invention
The technical matters that will solve required for the present invention is, overcome existing technological deficiency, provide a kind of can manual measurement and the multipoint displacement meter of electrical measurement or remote measurement, this multipoint displacement meter not only can adopt secondary instrument to measure and adopt artificial directly reading to measure two kinds of methods, and the measured value of two kinds of methods can be checked.Multipoint displacement meter of the present invention can be in any direction with the different soil body and rock in install.The present invention also provide this can manual measurement and installation, the using method of the multipoint displacement meter of electrical measurement or remote measurement.
The technical scheme that completes foregoing invention task is, a kind of can manual measurement and the multipoint displacement meter of electrical measurement or remote measurement, be made up of displacement gauge head (comprise protection of instrumentation bucket, be arranged on displacement transducer and the assembly of this protection of instrumentation bucket inside), anchoring piece, connecting link (glass fibre or stainless steel material) and protection tube (nylon tube or pvc pipe), described anchoring piece is arranged on connecting link; It is characterized in that, in displacement gauge head, be provided with manual measurement mechanical shaft (also referred to as mechanical type measuring staff), this manual measurement mechanical shaft is connected with displacement transducer and connecting link; Described protection of instrumentation bucket upper end is provided with manual measurement with reference to dish, and this manual measurement is provided with manual measurement hole with reference to dish; Described manual measurement hole is corresponding one by one with the position of described manual measurement mechanical shaft.
Described have the connecting link of protection tube and the set-up mode of anchoring piece to be: have several displacement measuring points that a few cover displacement transducers, connecting link and anchoring piece will be installed.Also can be single-point gauge head: only establish a set of displacement transducer, connecting link and anchoring piece.
The present invention further improves, and has following prioritization scheme:
Protection of instrumentation bucket inside is also provided with guide plate, and described manual measurement mechanical shaft is through the pilot hole on described guide plate.
Also be provided with displacement transducer anchorage clip, described connecting link is fixedly connected with by this displacement transducer anchorage clip with manual measurement mechanical shaft.
Described manual measurement is with reference to dish, be by bolt by reference to dish fastener hole, be fixedly mounted on protection of instrumentation bucket.
Method to set up of the present invention is: in position boring to be measured, carry out after fixing safeguard measure in aperture, grouting in the past hole that has installed connecting link and anchoring piece, until slurries are filled end, grouting dish outside is cleaned out, after treating slurries initial set, displacement gauge head is installed in aperture, is turned on displacement gauge head top cover, twist off with reference to dish fastener hole bolt, open displacement gauge head protection of instrumentation bucket, take out sensor, displacement transducer of connection on each mounted connecting link, unscrew displacement transducer anchorage clip, adjusted position displacement sensor initial position, make its 25% position, left and right at range, tighten sensor anchorage clip, sensor is closely connected with connecting link and manual measurement mechanical shaft, while being subjected to displacement variation, manual measurement mechanical shaft is along with connecting link is subjected to displacement variation, protection of instrumentation bucket is installed to already installed sensor outside, be used for protecting sensor, guide plate is aimed to manual measurement mechanical shaft, be installed to protection of instrumentation bucket inside, manual measurement is tightened with reference to dish, manual measurement mechanical shaft measurement point align in the manual measurement hole of holding successfully, vernier caliper just can well put in survey measurements when manual measurement like this.
The present invention mainly increases a mechanical type measuring staff and is connected and the connection of already installed connecting link with measurement displacement transducer in displacement gauge head.Multipoint displacement meter of the present invention not only can carry out artificial directly reading with vernier caliper, but also can use secondary instrument to measure.Between mechanical type measuring staff and displacement transducer, can connect by freely regulated sensor anchorage clip with one, along with the change in displacement driving mechanical formula measuring staff generation synchronous shift of sensor changes, can use vernier caliper to carry out artificial directly reading.
Described a kind of can manual measurement and the multipoint displacement meter of electrical measurement or remote measurement can carry out manual measurement and electrical measurement.
The technical scheme that completes second invention task of the application is, above a kind of can manual measurement and installation, the using method of the multipoint displacement meter of electrical measurement or remote measurement, it is characterized in that, step is as follows:
A) carry out the position boring of inner length travel deformation measurement at needs, dark 1 meter than innermost anchoring piece of the degree of depth of suggestion boring will clean up boring before installing;
B) in the hole of having bored, by root, the connecting link and the anchoring piece that have installed protection tube are installed, each transducer probe assembly will be installed a set of connecting link and an anchoring piece;
C) after all connecting links and anchoring piece installation, grouting in the connecting link of burying underground toward installation and the hole of anchoring piece, slurries will be cleaned out the outside of grouting dish after filling end, and grout pipe is flushed with bulkhead with snorkel cutting;
D) after slurries initial set, displacement gauge head can be installed in aperture, turn on displacement gauge head top cover, twist off with reference to dish fastener hole bolt, open displacement gauge head protection of instrumentation bucket, take out sensor, a displacement transducer is installed on each mounted connecting link;
E) unscrew displacement transducer anchorage clip, displacement transducer is adjusted to 25% position, left and right of range, tighten displacement transducer anchorage clip, displacement transducer is closely connected with manual measurement mechanical shaft, measuring position is subjected to displacement while variation and drives connecting link to be subjected to displacement variation, and sensor and manual measurement mechanical shaft are followed connecting link and be subjected to displacement variation;
F) repeating step e), until all installations of the sensor of all measuring points, protection of instrumentation bucket is installed to above mounted displacement gauge head, guide plate is aimed to manual measurement mechanical shaft, be installed to protection of instrumentation bucket inside, being installed on protection of instrumentation bucket with reference to dish, tighten with reference to dish, the top cover of protection of instrumentation bucket is tightened to multipoint displacement meter installation; Wherein, with reference to the hole that has manual measurement on dish, will be to good manual measurement mechanical shaft measurement point separately when installation.
Repeatedly say, method to set up of the present invention is: need to carry out the boring of length travel deformation measurement ready after, the connecting link and the anchoring piece that have installed protection tube are installed in the hole of having bored, there are several displacement measuring points that a few cover connecting links and anchoring piece will be installed, carry out after fixing safeguard measure in aperture, grouting in the past hole that has installed connecting link and anchoring piece, until slurries are filled end, grouting dish outside is cleaned out, after treating slurries initial set, displacement gauge head is installed in aperture, turn on displacement gauge head top cover, twist off with reference to dish fastener hole bolt, open displacement gauge head protection of instrumentation bucket, take out sensor, displacement transducer of connection on each mounted connecting link, unscrew displacement transducer anchorage clip, adjusted position displacement sensor initial position, make its 25% position, left and right at range, tighten sensor anchorage clip, sensor is closely connected with connecting link and manual measurement mechanical shaft, while being subjected to displacement variation, manual measurement mechanical shaft is along with connecting link is subjected to displacement variation, protection of instrumentation bucket is installed to already installed sensor the inside, be used for protecting sensor, guide plate is aimed to manual measurement mechanical shaft, be installed to protection of instrumentation bucket inside, finally manual measurement is tightened with reference to dish, manual measurement mechanical shaft measurement point align in manual measurement hole, vernier caliper just can well put in survey measurements when manual measurement like this.
Further after improvement project, can manual measurement and the multipoint displacement meter of electrical measurement or remote measurement can adopt two kinds of methods to measure simultaneously, and can contrast two kinds of measurement results; And this multipoint displacement meter is easy for installation, simple, quick.Can manual measurement and the protection of instrumentation bucket of the multipoint displacement meter of electrical measurement or remote measurement be provided with manual measurement with reference to dish and measuring basis plate, can adopt vernier caliper to carry out artificial direct reading.
The present invention is mainly: the single method that changes multipoint displacement meter in the past and can only adopt electrical measurement; on protection of instrumentation bucket, increase a manual measurement mechanical shaft; in manual measurement mechanical shaft, be provided with measurement point; and be provided with one with reference to dish at protection of instrumentation bucket; with reference to having manual measurement hole on dish; can adopt artificial directly reading, and can contrast with the reading of electrical measurement.The present invention processes simply, and Embedment and installation is convenient.
Accompanying drawing explanation
Fig. 1 is that the present invention can manual measurement and the multipoint displacement meter structural representation of electrical measurement or remote measurement;
Fig. 2 is displacement measuring head structure schematic diagram of the present invention;
Fig. 3 is that the present invention is with reference to dish structural representation.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and concrete case study on implementation, the inventive method is described in further detail.Concrete case study on implementation described herein, only in order to explain the present invention, is not intended to limit the present invention.
With reference to Fig. 1, Fig. 2: need to carry out the boring of length travel deformation measurement ready after; the connecting link 3 and the anchoring piece 5 that have installed protection tube 4 are installed in the hole of having bored; have several displacement measuring points that a few cover connecting links 3 and anchoring piece 5 will be installed, the Embedment and installation of connecting link 3 will be connected to displacement gauge head datum plate 14 from monitoring point for displacement always.Carry out after fixing safeguard measure in aperture, grouting in the past hole that has installed connecting link 3 and anchoring piece 5, until slurries are filled end, grouting dish outside is cleaned out, after treating slurries initial set, displacement gauge head 1 is installed in aperture, turn on displacement gauge head 1 top cover 10, twist off with reference to dish fastener hole 16 bolts, open displacement gauge head 1 protection of instrumentation bucket 12, take out sensor 2, displacement transducer 2 of connection on each mounted connecting link 3, unscrew displacement transducer anchorage clip 13, adjusted position displacement sensor 2 initial positions, make its 25% position, left and right at range, tighten sensor anchorage clip 13, sensor 2 is closely connected with connecting link 3 and manual measurement mechanical shaft 7, while being subjected to displacement variation, manual measurement mechanical shaft 7 is along with connecting link 3 is subjected to displacement variation, protection of instrumentation bucket 12 is installed to already installed sensor 2 the insides, be used for protecting sensor 2, guide plate 8 is aimed to manual measurement mechanical shaft 7, be installed to protection of instrumentation bucket 12 inside, manual measurement is tightened with reference to dish 9, manual measurement mechanical shaft measurement point 11 align in the manual measurement hole 15 of holding successfully, vernier caliper just can well put in survey measurements when manual measurement like this.
With reference to Fig. 2, Fig. 3: in the time wanting manual measurement change in displacement; open protection of instrumentation bucket 12 top covers 10; twist off with reference to manual measurement hole 15 bolts with O-ring seal protection on dish 9; put into successively on the displacement transducer 2 manual measurement mechanical shaft measurement points 12 that will measure with vernier caliper, can measure the variation of displacement.While adopting electrical measurement, be connected on instrument cable 6 with secondary instrument, just can have carried out electrical measurement.
The present invention can manual measurement and the multipoint displacement meter boring method for embedding of electrical measurement or remote measurement with traditional consistent; the main change at displacement gauge head 1; employing can be used vernier caliper manual measurement reading; increase a manual measurement mechanical shaft 7 and manual measurement in protection of instrumentation bucket 12 inside with reference to dish 9, and having manual measurement hole 15 on reference to dish 9.
Claims (5)
1. can manual measurement and the multipoint displacement meter of electrical measurement or remote measurement, formed by displacement gauge head, anchoring piece, connecting link and protection tube, described anchoring piece is arranged on connecting link; It is characterized in that, be provided with manual measurement mechanical shaft in displacement gauge head, this manual measurement mechanical shaft is connected with displacement transducer and connecting link; Described protection of instrumentation bucket upper end is provided with manual measurement with reference to dish, and this manual measurement is provided with manual measurement hole with reference to dish; Described manual measurement hole is corresponding one by one with the position of described manual measurement mechanical shaft.
2. according to claim 1 can manual measurement and the multipoint displacement meter of electrical measurement or remote measurement, it is characterized in that, described protection of instrumentation bucket inside is also provided with guide plate, described manual measurement mechanical shaft is through the pilot hole on described guide plate.
3. according to claim 1 can manual measurement and the multipoint displacement meter of electrical measurement or remote measurement, it is characterized in that, be also provided with displacement transducer anchorage clip, described connecting link is fixedly connected with by this displacement transducer anchorage clip with manual measurement mechanical shaft.
According to one of claim 1-3 Suo Shu can manual measurement and the multipoint displacement meter of electrical measurement or remote measurement, it is characterized in that, described manual measurement is with reference to dish, be by bolt by reference to dish fastener hole, be fixedly mounted on protection of instrumentation bucket.
5. claimed in claim 1 can manual measurement and installation, the using method of the multipoint displacement meter of electrical measurement or remote measurement, it is characterized in that, step is as follows:
Carry out the position boring of inner length travel deformation measurement at needs, dark 1 meter than innermost anchoring piece of the degree of depth of suggestion boring will clean up boring before installing;
In the hole of having bored, by root, the connecting link and the anchoring piece that have installed protection tube are installed, each transducer probe assembly will be installed a set of connecting link and an anchoring piece;
After all connecting links and anchoring piece installation, grouting in the connecting link of burying underground toward installation and the hole of anchoring piece, slurries will be cleaned out the outside of grouting dish after filling end, and grout pipe is flushed with bulkhead with snorkel cutting;
After slurries initial set, displacement gauge head can be installed in aperture, turn on displacement gauge head top cover, twist off with reference to dish fastener hole bolt, open displacement gauge head protection of instrumentation bucket, take out sensor, a displacement transducer is installed on each mounted connecting link;
Unscrew displacement transducer anchorage clip, displacement transducer is adjusted to 25% position, left and right of range, tighten displacement transducer anchorage clip, displacement transducer is closely connected with manual measurement mechanical shaft, measuring position is subjected to displacement while variation and drives connecting link to be subjected to displacement variation, and sensor and manual measurement mechanical shaft are followed connecting link and be subjected to displacement variation;
Repeating step e), until all installations of the sensor of all measuring points, protection of instrumentation bucket is installed to above mounted displacement gauge head, guide plate is aimed to manual measurement mechanical shaft, be installed to protection of instrumentation bucket inside, being installed on protection of instrumentation bucket with reference to dish, tighten with reference to dish, the top cover of protection of instrumentation bucket is tightened to multipoint displacement meter installation; Wherein, with reference to the hole that has manual measurement on dish, will be to good manual measurement mechanical shaft measurement point separately when installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410119498.3A CN103851984A (en) | 2014-03-27 | 2014-03-27 | Multipoint displacement meter capable of artificial measurement, electric measurement or remote measurement and mounting and application method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410119498.3A CN103851984A (en) | 2014-03-27 | 2014-03-27 | Multipoint displacement meter capable of artificial measurement, electric measurement or remote measurement and mounting and application method |
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| CN103851984A true CN103851984A (en) | 2014-06-11 |
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| CN201410119498.3A Pending CN103851984A (en) | 2014-03-27 | 2014-03-27 | Multipoint displacement meter capable of artificial measurement, electric measurement or remote measurement and mounting and application method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780822A (en) * | 2016-03-11 | 2016-07-20 | 水利部交通运输部国家能源局南京水利科学研究院 | Monitoring instrument equipment for underwater foundation layered settlement measurement and arrangement method for monitoring instrument equipment |
| CN106840070A (en) * | 2017-03-27 | 2017-06-13 | 中国矿业大学 | Mining overburden inside rock movement monitoring system and detection method |
| CN107604889A (en) * | 2017-11-02 | 2018-01-19 | 上海长凯岩土工程有限公司 | Multipoint displacement meter expands anchor head and its application method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780822A (en) * | 2016-03-11 | 2016-07-20 | 水利部交通运输部国家能源局南京水利科学研究院 | Monitoring instrument equipment for underwater foundation layered settlement measurement and arrangement method for monitoring instrument equipment |
| CN106840070A (en) * | 2017-03-27 | 2017-06-13 | 中国矿业大学 | Mining overburden inside rock movement monitoring system and detection method |
| CN106840070B (en) * | 2017-03-27 | 2019-01-08 | 中国矿业大学 | Rock movement monitoring system and detection method inside mining overburden |
| CN107604889A (en) * | 2017-11-02 | 2018-01-19 | 上海长凯岩土工程有限公司 | Multipoint displacement meter expands anchor head and its application method |
| CN107604889B (en) * | 2017-11-02 | 2023-12-19 | 上海长凯岩土工程有限公司 | Multi-point displacement meter expansion anchor head and use method thereof |
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Application publication date: 20140611 |