CN204007501U - A kind of deep deformation monitoring device with apparent deformation measurement function - Google Patents
A kind of deep deformation monitoring device with apparent deformation measurement function Download PDFInfo
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- CN204007501U CN204007501U CN201420424809.2U CN201420424809U CN204007501U CN 204007501 U CN204007501 U CN 204007501U CN 201420424809 U CN201420424809 U CN 201420424809U CN 204007501 U CN204007501 U CN 204007501U
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- measuring staff
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Abstract
The utility model discloses a kind of deep deformation monitoring device with apparent deformation measurement function, comprise benchmark measuring staff and relative deformation measuring staff, benchmark measuring staff is longer than relative deformation measuring staff, benchmark measuring staff and relative deformation measuring staff two ends are respectively equipped with anchor rod and holder, holder one side is provided with jack, holder opposite side is provided with sensor, benchmark measuring staff is connected with sensor with relative deformation measuring staff, the sensor other end is connected with checkout equipment by cable, holder opposite side is provided with protection sleeve, cable is through protection sleeve, protection sleeve sidewall is provided with forced centering base, the outer face of forced centering base is connected with observation prism by connector, between observation prism and forced centering base, be provided with prism levelling device.The utility model has been realized the synchronous acquisition of apparent distortion and deep deformation Monitoring Data, can effectively determine the maximum distortion degree of depth of institute's monitoring project, and observation process is convenient and swift, can be widely used in safety monitoring field.
Description
Technical field
The utility model relates to safety monitoring assembly, particularly relates to a kind of deep deformation monitoring device with apparent deformation measurement function.
Background technology
In Geotechnical Engineering, to the monitoring of rock mass varying motion feature, be the technical way of understanding rock mass deformation.At present, the deformation monitoring of Geotechnical Engineering project is mainly comprised to two kinds of deep deformation monitoring and apparent deformation monitorings, wherein, deep deformation monitoring is counted monitoring means with multi-point displacement, referring to Fig. 1, this multipoint displacement meter is enclosed in the monitoring holes 2 excavating on side slope and cavern excavation face 1, and insert sand-cement slurry in the space of multipoint displacement meter and monitoring holes 2, described multipoint displacement meter comprises benchmark measuring staff 3 and the relative deformation measuring staff 17 being parallel to each other, the length of described benchmark measuring staff 3 is greater than the length of relative deformation measuring staff 17, wherein, described benchmark measuring staff 3 is one, described relative deformation measuring staff 17 has two, wherein the length of another root relative deformation measuring staff 17 of the Length Ratio of a relative deformation measuring staff 17 is long, described holder 6 opposite sides are provided with three sensors 7 and three cables 8, described benchmark measuring staff 3 and relative deformation measuring staff 17 one end are respectively equipped with anchor rod 4, described benchmark measuring staff 3 and relative deformation measuring staff 17 other ends are provided with holder 6, described holder 6 one sides are provided with respectively the jack 6.1 with benchmark measuring staff 3 and relative deformation measuring staff 17 clearance fit, in described jack 6.1, be fixed with adapter sleeve 5, described benchmark measuring staff 3 and relative deformation measuring staff 17 respectively with corresponding adapter sleeve 5 clearance fit, described adapter sleeve 5 is fixedly linked with sensor 7, described benchmark measuring staff 3 is connected with corresponding sensor 7 one end respectively with relative deformation measuring staff 17, each sensor 7 other end is connected with checkout equipment (not shown) by cable 8, described holder 6 opposite sides are provided with for the protection sleeve 9 in sensor 7 is enclosed in, described protection sleeve 9 tops are provided with cable orienting sleeve 10, described cable 8 is through protection sleeve 9 and cable orienting sleeve 10, referring to Fig. 2 to Fig. 3, apparent deformation monitoring device is included in the concrete observation pier 11 arranging on side slope and cavern excavation face 1, concrete observation pier 11 bottoms are embedded with Levelling mark 12, for monitoring the vertical deformation of Geotechnical Engineering, the concrete observation pier 11 pre-buried forced centering bases 14 in top, observation prism 13 is connected with forced centering base 14 by connector 15, and carry out leveling by 16 pairs of observation prisms of prism levelling device 13, to realize the horizontal direction deformation monitoring to Geotechnical Engineering, apparent deformation monitoring device is by observation prism 13, thereby obtain the absolute coordinates at apparent deform detection point place, and then conversion obtains the absolute displacement of this point.In engineering, conventionally, at the apparent deformation observation point of the other increase of deep deformation monitoring device, deep deformation monitoring materials is verified.
At present, the deformation monitoring of rock mass engineering project is arranged deep deformation monitoring device and apparent deformation monitoring device separately conventionally, the major technique defect of this monitoring method comprises:
One, the anchor rod 4 of traditional deep deformation monitoring supposition benchmark measuring staff 3 is absolute fixed point, by the anti-relative deformation value that pushes away different depth place of absolute fixed point, when benchmark measuring staff 3 degree of depth are less than monitoring target deforming depth, the method cannot reflect the absolute displacement of each relative deformation measuring staff 17 measuring points and benchmark measuring staff 3 measuring points, thereby cannot accurately judge the deforming depth at monitoring position.
Two, apparent deformation monitoring and deep deformation are monitored both effectively combinations, and bring misleading easily to Surveillance on Haemorrhagic personnel, are difficult to accurately judge the deformation of monitoring target.In Practical Project, found that apparent deformation monitoring and degree of depth deformation observation differ one times of even 60～70mm at 1 meter of left and right distance discovery deformation values, cannot distinguish deformation rule, specifically can be referring to table 1, as can be seen from the table, in Geotechnical Engineering, be provided with two groups of contrastive detection devices, wherein, multipoint displacement meter M01 and apparent deformation monitoring device TP01 are first group of contrastive detection device, multipoint displacement meter M02 and apparent deformation monitoring device TP02 are second group of contrastive detection device, two groups of monitoring dates were all from January 26,16 days to 2014 July in 2013, the first group of contrastive detection device of take is example, by the end of on January 26th, 2014, the accumulating displacement that apparent deformation monitoring device TP02 monitors surpasses one times of accumulating displacement that multipoint displacement meter M01 monitors and has a surplus, second group of contrastive detection device situation is also substantially similar, illustrate during this period, because every group of multipoint displacement meter and apparent deformation monitoring device measuring point separately reach 1 meter of left and right apart, the displacement of each measuring point is not quite similar, cause the data of same group to mate, thereby caused very large uncertainty to monitoring and construction from now on.
The existing horizontal direction Deformation Monitor Results contrast of table 1
Three, be unfavorable for deformation place to formulate Reinforcing Schemes targetedly, be difficult to realize Scheme of Strengthening optimization, cause the wasting of resources, increased construction investment.
Four, often set up an apparent distortion monitoring points and need increase approximately 5000 yuan of costs, also increased construction investment, cause cost to rise.
Utility model content
The purpose of this utility model is in order to overcome the deficiency of above-mentioned background technology, a kind of deep deformation monitoring device with apparent deformation measurement function is provided, realized the synchronous acquisition of apparent distortion and deep deformation Monitoring Data, the maximum distortion degree of depth that can effectively determine institute's monitoring project, observation process is convenient and swift.
A kind of deep deformation monitoring device with apparent deformation measurement function that the utility model provides, comprise the benchmark measuring staff and the relative deformation measuring staff that are parallel to each other, the length of described benchmark measuring staff is greater than the length of relative deformation measuring staff, described benchmark measuring staff and relative deformation measuring staff one end are respectively equipped with anchor rod, described benchmark measuring staff and the relative deformation measuring staff other end are provided with holder, described holder one side is provided with respectively the jack with benchmark measuring staff and relative deformation measuring staff clearance fit, described holder opposite side is fixed with sensor, described benchmark measuring staff is connected with corresponding sensor one end respectively with relative deformation measuring staff, each sensor other end is connected with checkout equipment by cable, described holder opposite side is provided with for the protection sleeve in sensor is enclosed in, described cable is through protection sleeve, described protection sleeve sidewall is provided with forced centering base, the outer face of described forced centering base is connected with observation prism by connector, between described observation prism and forced centering base, be provided with prism levelling device.The darkest benchmark measuring staff measuring point of deep deformation monitoring hypothesis multipoint displacement meter is to stablize fixed point, utilize traditional multipoint displacement meter monitoring technology, the displacement of the benchmark measuring staff measuring point that monitoring position, monitoring holes aperture is the darkest with respect to multipoint displacement meter, has realized deep deformation monitoring., by the protection sleeve to traditional multipoint displacement meter, improve meanwhile, at its sidewall, increase the required forced centering base of apparent deformation monitoring, connector and observation prism, realize apparent deformation monitoring and carry out with synchronizeing of deep deformation monitoring.And utilize and monitor the corresponding relation that the technical parameter obtaining is determined absolute displacement and relative displacement, and then the deforming depth of definite deformed region.Compare traditional monitoring means that apparent deformation monitoring device and deep deformation monitoring device are arranged separately, the utility model can be determined the maximum distortion degree of depth of monitoring target easily and efficiently.
In technique scheme, described benchmark measuring staff is one, and described relative deformation measuring staff has two, and wherein the length of another root relative deformation measuring staff of the Length Ratio of a relative deformation measuring staff is long, and described holder opposite side is provided with three sensors and three cables.Generally, need only a relative deformation measuring staff and benchmark measuring staff and coordinate the maximum distortion degree of depth that just can determine monitoring target, but in order to make monitoring result more accurate, must establish measuring point more, but measuring point arranges and both can cause too much observation process loaded down with trivial details, strengthened construction investment simultaneously, from technical and economy, considered, selected two relative deformation measuring staffs are suitable.
In technique scheme, described jack end is fixed with adapter sleeve, described benchmark measuring staff and relative deformation measuring staff respectively with corresponding adapter sleeve clearance fit, described adapter sleeve and sensor are fixedly linked.Adapter sleeve can play better guide effect, and the displacement that ground distortion is caused accurately changes the axial displacement of relative deformation measuring staff into.
In technique scheme, described protection sleeve is provided with cable orienting sleeve.Cable orienting sleeve is convenient to the centralized management of cable.
In technique scheme, described cable orienting sleeve is fixed on protection sleeve sidewall.Cable orienting sleeve is fixed on protection sleeve sidewall, when the utility model is sent into monitoring holes, operates more convenient.
In technique scheme, described connector is attachment screw, described attachment screw be fixed on observation prism inner face and with forced centering base threaded engagement.Compare other connected mode, is threaded both convenient, is convenient to again prism levelling device and finely tunes simultaneously.
The deep deformation monitoring device that the utlity model has apparent deformation measurement function, has following beneficial effect:
One, the utility model can carry out deep deformation monitoring and apparent deformation monitoring to monitoring target simultaneously, avoided the deficiency of original monitoring method, can accurately judge deforming depth and the stability at monitoring position, thereby can determine rationally effective Reinforcement Measures, improve specific aim and actual effect.
Two, the utility model organically combines the apparent deformation monitoring instrument of tradition and deep deformation monitoring instrument, removed and needed concrete in the apparent deformation monitoring device of independent making to observe the loaded down with trivial details techniques such as pier, Levelling mark, save the time, improved work efficiency, saved construction investment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the existing multipoint displacement meter in monitoring state;
Fig. 2 is the plan structure schematic diagram of the existing apparent deformation monitoring device in monitoring state;
Fig. 3 is the sectional structure schematic diagram at A-A place in Fig. 2;
Fig. 4 is the structural representation that the utlity model has the deep deformation monitoring device of apparent deformation measurement function.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, but this embodiment should not be construed as restriction of the present utility model.
In Fig. 1, existing apparent deformation monitoring device existing description in background technology in existing deep deformation monitoring device and Fig. 2 to Fig. 3, does not repeat them here.
Referring to Fig. 4; the utlity model has the deep deformation monitoring device of apparent deformation measurement function, comprise benchmark measuring staff 3, anchor rod 4, adapter sleeve 5, holder 6, sensor 7, cable 8, protection sleeve 9, cable orienting sleeve 10, observation prism 13, forced centering base 14, connector 15, prism levelling device 16 and relative deformation measuring staff 17.
Described benchmark measuring staff 3 and relative deformation measuring staff 17 are parallel to each other, and the length of described benchmark measuring staff 3 is greater than the length of relative deformation measuring staff 17.Described benchmark measuring staff 3 and relative deformation measuring staff 17 one end are respectively equipped with anchor rod 4, and described benchmark measuring staff 3 and relative deformation measuring staff 17 other ends are provided with holder 6.Described holder 6 one sides are provided with respectively the jack 6.1 with benchmark measuring staff 3 and relative deformation measuring staff 17 clearance fit.Described holder 6 opposite sides are fixed with sensor 7, and described benchmark measuring staff 3 is connected with corresponding sensor 7 one end respectively with relative deformation measuring staff 17, and each sensor 7 other end is connected with checkout equipment (not shown) by cable 8.Described holder 6 opposite sides are provided with for the protection sleeve 9 in sensor 7 is enclosed in, and described cable 8 is through protection sleeve 9.Described protection sleeve 9 sidewalls are provided with forced centering base 14, and the outer face of described forced centering base 14 is connected with observation prism 13 by connector 15, between described observation prism 13 and forced centering base 14, is provided with prism levelling device 16.The darkest benchmark measuring staff 3 measuring points of deep deformation monitoring hypothesis multipoint displacement meter are to stablize fixed point, utilize traditional multipoint displacement meter monitoring technology, the displacement of benchmark measuring staff 3 measuring points that monitoring monitoring holes 2 positions, aperture are the darkest with respect to multipoint displacement meter, has realized deep deformation monitoring., by the protection sleeve 9 to traditional multipoint displacement meter, improve meanwhile, at its sidewall, increase the required forced centering base of apparent deformation monitoring 14, connector 15 and observation prism 13, realize apparent deformation monitoring and carry out with synchronizeing of deep deformation monitoring.And utilize and monitor the corresponding relation that the technical parameter obtaining is determined absolute displacement and relative displacement, and then the deforming depth of definite deformed region.Compare traditional monitoring means that apparent deformation monitoring device and deep deformation monitoring device are arranged separately, the utility model can be determined the maximum distortion degree of depth of monitoring target easily and efficiently.
Described benchmark measuring staff 3 is one, and described relative deformation measuring staff 17 has two, and wherein the length of another root relative deformation measuring staff 17 of the Length Ratio of a relative deformation measuring staff 17 is long, and described holder 6 opposite sides are provided with three sensors 7 and three cables 8.Generally, need only a relative deformation measuring staff 17 and 3 cooperations of benchmark measuring staff and just can determine the maximum distortion degree of depth of monitoring target, but in order to make monitoring result more accurate, must establish measuring point more, but measuring point arranges and both can cause too much observation process loaded down with trivial details, strengthened construction investment simultaneously, from technical and economy, considered, selected two relative deformation measuring staffs 17 are suitable.
Described jack 6.1 ends are fixed with adapter sleeve 5, described benchmark measuring staff 3 and relative deformation measuring staff 17 respectively with corresponding adapter sleeve 5 clearance fit, described adapter sleeve 5 is fixedly linked with sensor 7.Adapter sleeve 5 can play better guide effect, and the displacement that ground distortion is caused accurately changes the axial displacement of relative deformation measuring staff 17 into.
Described protection sleeve 9 is provided with cable orienting sleeve 10.Cable orienting sleeve 10 is convenient to the centralized management of cable 8.
Described cable orienting sleeve 10 is fixed on protection sleeve 9 sidewalls.Cable orienting sleeve 10 is fixed on protection sleeve 9 sidewalls, when the utility model is sent into monitoring holes 2, operates more convenient.
Described connector 15 is attachment screw, described attachment screw be fixed on observation prism 13 inner faces and with forced centering base 14 threaded engagement.Compare other connected mode, is threaded both convenient, is convenient to again prism levelling device 16 and finely tunes simultaneously.
The utility model can carry out deep deformation monitoring and apparent deformation monitoring to monitoring target simultaneously, can accurately judge deforming depth and the stability at monitoring position, specifically referring to table 2, by with the same deep deformation monitoring device with apparent deformation measurement function in same time to A, B monitors at two places, deep deformation monitoring measuring point and the coincidence of apparent deformation monitoring measuring point due to every place, make to be reduced to minimum due to the error that the ground distortion apart from causing brings, as shown in table 2, in the deformation monitoring process to A place, by the end of on May 2nd, 2014, the accumulating displacement that deep deformation monitoring measuring point monitors is 10.08mm, and the accumulating displacement that apparent deformation monitoring measuring point monitors is 11.24mm, also substantially similar to the monitoring at B place, this Data Matching that same place is recorded is very high, contribute to accurately deforming depth and the stability at judgement monitoring position, thereby tamped basis for formulating effective Reinforcement Measures.
Table 2 adopts the horizontal direction Deformation Monitor Results contrast after the utility model
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
The content not being described in detail in this instructions belongs to the known prior art of professional and technical personnel in the field.
Claims (6)
1. a deep deformation monitoring device with apparent deformation measurement function, comprise the benchmark measuring staff (3) and the relative deformation measuring staff (17) that are parallel to each other, the length of described benchmark measuring staff (3) is greater than the length of relative deformation measuring staff (17), described benchmark measuring staff (3) and relative deformation measuring staff (17) one end are respectively equipped with anchor rod (4), described benchmark measuring staff (3) and relative deformation measuring staff (17) other end are provided with holder (6), described holder (6) one sides are provided with respectively the jack (6.1) with benchmark measuring staff (3) and relative deformation measuring staff (17) clearance fit, described holder (6) opposite side is fixed with sensor (7), described benchmark measuring staff (3) is connected with corresponding sensor (7) one end respectively with relative deformation measuring staff (17), each sensor (7) other end is connected with checkout equipment by cable (8), described holder (6) opposite side is provided with for the protection sleeve (9) in sensor (7) is enclosed in, described cable (8) is through protection sleeve (9), it is characterized in that: described protection sleeve (9) sidewall is provided with forced centering base (14), the outer face of described forced centering base (14) is connected with observation prism (13) by connector (15), between described observation prism (13) and forced centering base (14), be provided with prism levelling device (16).
2. the deep deformation monitoring device with apparent deformation measurement function according to claim 1, it is characterized in that: described benchmark measuring staff (3) is one, described relative deformation measuring staff (17) has two, wherein the length of another root relative deformation measuring staff (17) of the Length Ratio of a relative deformation measuring staff (17) is long, and described holder (6) opposite side is provided with three sensors (7) and three cables (8).
3. the deep deformation monitoring device with apparent deformation measurement function according to claim 1 and 2, it is characterized in that: in described jack (6.1), be fixed with adapter sleeve (5), described benchmark measuring staff (3) and relative deformation measuring staff (17) respectively with corresponding adapter sleeve (5) clearance fit, described adapter sleeve (5) is fixedly linked with sensor (7).
4. the deep deformation monitoring device with apparent deformation measurement function according to claim 1 and 2, is characterized in that: described protection sleeve (9) is provided with cable orienting sleeve (10).
5. the deep deformation monitoring device with apparent deformation measurement function according to claim 4, is characterized in that: described cable orienting sleeve (10) is fixed on protection sleeve (9) sidewall.
6. the deep deformation monitoring device with apparent deformation measurement function according to claim 1 and 2, it is characterized in that: described connector (15) is attachment screw, described attachment screw be fixed on observation prism (13) inner face and with forced centering base (14) threaded engagement.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420424809.2U CN204007501U (en) | 2014-07-30 | 2014-07-30 | A kind of deep deformation monitoring device with apparent deformation measurement function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420424809.2U CN204007501U (en) | 2014-07-30 | 2014-07-30 | A kind of deep deformation monitoring device with apparent deformation measurement function |
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| CN204007501U true CN204007501U (en) | 2014-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165576B (en) * | 2014-07-30 | 2016-08-24 | 长江勘测规划设计研究有限责任公司 | A kind of deep deformation monitoring device with apparent deformation measurement function |
-
2014
- 2014-07-30 CN CN201420424809.2U patent/CN204007501U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165576B (en) * | 2014-07-30 | 2016-08-24 | 长江勘测规划设计研究有限责任公司 | A kind of deep deformation monitoring device with apparent deformation measurement function |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20160824 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |