CN105952442B - Split inclinometer with adjustable wheel track - Google Patents
Split inclinometer with adjustable wheel track Download PDFInfo
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- CN105952442B CN105952442B CN201610516967.4A CN201610516967A CN105952442B CN 105952442 B CN105952442 B CN 105952442B CN 201610516967 A CN201610516967 A CN 201610516967A CN 105952442 B CN105952442 B CN 105952442B
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- 238000005259 measurement Methods 0.000 claims abstract description 21
- 230000006698 induction Effects 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention provides a split inclinometer with adjustable wheel track, which comprises an inclinometer pipe and a sensor, wherein the sensor is used for measuring the wheel track of the inclinometer pipe: the wheel distance adjusting rod consists of a plurality of sections of sub-rods which can be fixedly connected with each other; the guide wheel group comprises a front guide wheel and a rear guide wheel which are respectively arranged at two ends of the wheel distance adjusting rod; the sensing head is arranged at one end of the wheel distance adjusting rod, which is connected with the front guide wheel, and is used for acquiring various geological information through a sensor and transmitting the geological information to the ground through a cable; and the data receiving device is used for receiving and recording the data sent by the sensing head. According to the invention, the wheel distance adjusting rod for connecting the front guide wheel and the rear guide wheel can be used for adjusting the length according to different wheel distance requirements, so that one set of split type inclinometer can be applied to measurement occasions with different wheel distance requirements, and the application range of the split type inclinometer is greatly improved. In addition, the combined structure is adopted, so that the integral size of the split inclinometer can be reduced when the split inclinometer is carried, and the split inclinometer is more convenient to provide.
Description
Technical Field
The invention relates to the field of geological measurement, in particular to an inclinometer which can be disassembled and assembled into wheel tracks with different lengths and is used for measuring inclination angles and directions of drilling holes.
Background
Inclinometer is an instrument that measures the inclination and azimuth of a borehole. The method is used for detecting the inclination and the trend of the drilling hole, and in the deformation monitoring field, the deformation of the drilling hole is calculated through multiple measurements at different times.
During measurement, the inclinometer pipe is installed in the formed drilling hole, the inner diameter of the inclinometer pipe is provided with two groups of axial guide grooves which are 90 degrees away from each other, and the guide wheel of the inclinometer is placed in one group of guide grooves and can move up and down freely. The shape of the borehole can be mapped by measuring the inclination of the borehole section by section.
In order to improve the measurement speed, the wheel track is enlarged, the number of measurement points is reduced, but the traditional inclinometers are integrated, the wheel track is fixed when leaving the factory and cannot be adjusted, and the measurement needs of the large wheel track are required to be customized and purchased. Moreover, for the practical application requirement of frequent change of the wheel track, a plurality of inclinometers with different wheel track specifications are required to be purchased, so that the inclinometers are inconvenient to carry and the cost is increased.
In addition, in the aspect of acquiring the data of the inclinometer, the data is usually recorded step by manually utilizing the acquisition instrument according to the progress of the inclinometer, which is time-consuming and labor-consuming.
Disclosure of Invention
The invention aims to provide an inclinometer which can be disassembled and assembled into wheel tracks with different lengths and is used for measuring inclination angles and directions of drilling holes.
In particular, the invention provides a split inclinometer with adjustable wheel track, which comprises an inclinometer pipe with a cross-shaped axially distributed groove on the inner pipe wall, and a groove arranged in the inclinometer pipe, wherein the groove is arranged on the inner pipe wall of the inclinometer pipe:
the wheel distance adjusting rod consists of a plurality of sections of sub-rods which can be fixedly connected with each other;
the guide wheel group comprises a front guide wheel and a rear guide wheel which are respectively arranged at two ends of the wheel distance adjusting rod, and the front guide wheel and the rear guide wheel are respectively clamped into two opposite grooves on the inner wall of the inclinometer pipe so as to automatically adjust the position of the wheel distance adjusting rod;
the sensing head is arranged at one end of the wheel distance adjusting rod, which is connected with the front guide wheel, and is used for acquiring various geological information through a sensor and transmitting the geological information to the ground through a cable; and
and the data receiving device is used for receiving and recording the data sent by the sensing head.
Further, the interconnection structure of the sub-rods is as follows: two ends of each sub-rod are respectively provided with a fixing table with a semicircular section, the adjacent sub-rods are fixed by bolts which pass through the two buckled fixing tables in the radial direction at the same time, and the two connecting surfaces where the fixing tables are in contact with each other are respectively provided with a clamping structure for limiting the axial movement of the sub-rods.
Further, the sub-rods may be the same or different in length.
Further, the clamping structure comprises a convex column arranged on one connecting surface and a concave pit arranged on the other connecting surface and capable of accommodating the convex column.
Further, the clamping structure comprises saw-tooth-shaped cross bars which are respectively arranged on the two connecting surfaces and form staggered occlusion.
Further, the nut of the bolt is conical, and a conical pit for accommodating the nut is arranged on the fixed table.
Further, an angle sensor for measuring an inclination angle, a pressure sensor for measuring underground pressure, a temperature sensor for measuring underground temperature, a water pressure sensor for measuring underground water pressure and an electronic compass for indicating the current azimuth are arranged in the sensor head.
Further, the outer circumferential surface of the sensing head is provided with a magnetic induction device, the magnetic induction device comprises two magnetic induction elastic pieces which are respectively positioned at different positions on the axial direction of the sensing head, one end of each magnetic induction elastic piece is connected with a magnetic induction switch, the other end of each magnetic induction elastic piece is respectively connected with the inclinometer pipe, magnetic rings are axially arranged on the outer pipe wall of the inclinometer pipe at intervals, and the magnetic induction switch is connected with a control unit in the sensing head through a circuit.
Further, the front guide wheel and the rear guide wheel are respectively connected with the wheel distance adjusting rod through guide wheel mounting rods, through grooves are formed in the guide wheel mounting rods along the axial lead, the front guide wheel and the rear guide wheel respectively comprise two pulleys connected through pulley connecting rods, the pulley connecting rods are rotatably mounted in the through grooves through shaft rods vertically penetrating through the center, and torsion springs enabling the pulley connecting rods to keep a preset angle with the guide wheel mounting rods are arranged on the shaft rods.
Further, the data receiving device is used as a trigger condition for starting to record current measurement data according to a trigger signal generated when the magnetic induction elastic sheet is in contact with the magnetic ring; the data receiving device comprises a mobile phone, a tablet, a personal computer and a reader, and is connected with a data output line of the sensing head through a data interface, and the storage, analysis and forwarding of received data are realized through internal preset control software.
The wheel distance adjusting rod for connecting the front guide wheel and the rear guide wheel can adjust the length according to different wheel distance requirements, so that one set of split type inclinometer can be applied to measurement occasions with different wheel distance requirements, and the application range of the split type inclinometer is greatly improved. In addition, the combined structure is adopted, so that the integral size of the split inclinometer can be reduced when the split inclinometer is carried, and the split inclinometer is more convenient to provide.
Drawings
FIG. 1 is a schematic view of a split inclinometer according to one embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an inclinometer pipe according to one embodiment of the invention;
FIG. 3 is a schematic view of a sub-rod connection structure according to one embodiment of the present invention;
FIG. 4 is a schematic view of a sub-rod connection structure according to another embodiment of the present invention;
FIG. 5 is a schematic view of a sub-rod connection structure according to yet another embodiment of the present invention;
fig. 6 is a schematic diagram of a magnetic induction device according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1 and 2, the split inclinometer 100 of the present invention generally comprises an inclinometer tube 70 having a cross-shaped axially distributed groove 72 in the inner tube wall, and a tread adjusting lever 10, a guide pulley set 40, a sensor head 20 and a data receiving device for mounting inside the inclinometer tube 70.
The tread adjusting lever 10 is composed of a plurality of sub-levers 11 which can be fixedly connected with each other.
The guide wheel set 40 includes a front guide wheel 41 and a rear guide wheel 42 respectively mounted at two ends of the track adjusting lever 10, and the front guide wheel 41 and the rear guide wheel 42 are respectively engaged into two opposite grooves 72 on the inner wall of the inclinometer pipe 70 to automatically adjust the position of the track adjusting lever 10 in the inclinometer pipe 70.
The sensor head 20 is installed at one end of the track adjusting lever 10 connected to the front guide wheel 40, and is used for acquiring various geological information through a sensor and transmitting the geological information to the ground through a cable 60.
The data receiving means is for receiving and recording data transmitted by the sensor head 20.
In use, the whole split inclinometer 100 is placed in a borehole to be measured, the track adjusting lever 10 is positioned in the inclinometer pipe 70 under the support of the front guide wheel 41 and the rear guide wheel 42, and the sensor head 20 is positioned at one end of the split inclinometer 100 in the advancing direction. After the split inclinometer 100 reaches a predetermined measurement location, the sensor head 20 acquires geological information of the current borehole in stages according to a predetermined measurement distance, and transmits the geological information to a data receiving device located on the ground through a cable 60 connected with the split inclinometer 100.
In this embodiment, the specific structure of the sub-rods 11 connected with each other may be a fixing manner such as screwing, buckling, plugging, etc., and only the axes of the sub-rods 11 after connection are required to be overlapped with each other. The number and type of sensors installed in the sensor head 20, in addition to the basic angle sensor, may be determined according to the measurement purposes currently required to be acquired.
To facilitate control of the split inclinometer 100, a grommet 30 that facilitates connection of the cable 60 or the wire rope 21 may be installed at the tail end of the track adjusting lever 10. The grommet 30 may be a fixed structure, or may be movably connected to the track adjusting lever 10. When it is required to connect a plurality of split inclinometers 100 simultaneously and sequentially, the same grommet 30 may be connected to the head end of the split inclinometer 100.
In this embodiment, the operation of the split inclinometer 100 is the same as that of a general inclinometer. However, in this embodiment, the track adjusting lever 10 connected with the front guide wheel 41 and the rear guide wheel 42 can adjust the length according to different track requirements, so that a set of split inclinometer 100 can be applied to measurement occasions with different track requirements, and the application range of the split inclinometer 100 is greatly increased. In addition, the combined structure is adopted, so that the integral size of the split inclinometer can be reduced when the split inclinometer is carried, and the split inclinometer is more convenient to provide. For example, the length of the carrying case can be reduced from 1.3-1.5 m to about 0.3 m in the prior art.
The measurement formula of the split inclinometer 100 in this embodiment is as follows:
according to the inclination angle value and the track length of each section, the horizontal offset of the section can be calculated,
ΔS i ＝sinθ i ×L
wherein DeltaS i Is the horizontal offset of the current measurement segment, θ i Is the angle of the current split inclinometer 100 in the vertical direction, and L is the step length (track length, typically 0.5 meter).
The horizontal offset value of each section obtained by the above formula is substituted into the following formula to obtain the horizontal offset value of the whole drilling hole,
further, since the split inclinometer 100 measures the inclination of the track adjusting lever 10 using the front guide wheel 41 and the rear guide wheel 42 as the supporting points, when the combined structure of the supporting rods 11 is adopted, in order to ensure the consistency of the positions of the front guide wheel 41 and the rear guide wheel 42, as shown in fig. 3, in one embodiment of the present invention, the structure of the sub-rods 11 connected with each other may be: fixing tables 111 with semicircular sections are respectively arranged at two ends of each sub-rod 11, adjacent sub-rods 11 are fixed by bolts 115 which radially penetrate through the two buckled fixing tables 111 at the same time, and clamping structures for limiting the axial movement of the sub-rods 11 are respectively arranged on connecting surfaces 112 where the two fixing tables 111 are contacted with each other.
After the fixing bases 111 of the two sub-rods 11 are fastened to each other, the diameters of the fixing bases 111 are the same as those of the sub-rods 11, the bolts 115 can enable the two fixing bases 111 to form a stable connection relationship, and the fastening structure can further improve the connection stability. The engagement structure may be any structure that can form a stable contact relationship between the two connection surfaces 112. As shown in fig. 4, in one embodiment, the engaging structure may include a protrusion 113 disposed on one of the connection surfaces 112, and a recess 114 disposed on the other connection surface 112 for receiving the protrusion 113. After the two fixing tables 111 are buckled, the convex columns 113 and the concave pits 114 on the two connecting surfaces 112 are mutually buckled, so that the two connecting surfaces 112 which are contacted cannot move horizontally, and the two connecting surfaces are further fixed by the bolts 115, so that the two sub-rods 11 are connected more tightly. In another embodiment, as shown in fig. 5, the engaging structures may also be saw-tooth-shaped bars 116 respectively disposed on the two connecting surfaces 112 and capable of forming a staggered engagement relationship. Namely, strip-shaped protrusions with triangular or rectangular cross sections perpendicular to the axial direction of the sub-rod 11 are arranged on the two connecting surfaces 112 at intervals, and after the two connecting surfaces 112 are contacted with each other, the transverse strips 116 of the two connecting surfaces are meshed in a staggered manner, and then are fixed through bolts 115.
To avoid the screw cap of the screw 115 affecting the sub-rod 11, a recess for receiving the screw cap may be provided in the fixing base 111 of the sub-rod 11, and to avoid affecting the fastening of the screw, the recess may be a conical recess 117, and the screw cap may be a conical screw cap 118 having a shape matching the conical recess 117.
The above-mentioned several schemes can be simultaneously applied between different sub-rods 11 of one split inclinometer 100, and can also be applied to the sub-rods 11 of different split inclinometers 100.
Further, in order to facilitate the adjustment of any desired track, in one embodiment of the present invention, the length of each sub-lever 111 in the track adjusting lever 10 may be the same or different. Under the condition of ensuring that the connection structures at the two ends of the sub-rod 11 are corresponding, the sub-rod 11 can be set to be long and short at will according to the distance required to be adjusted.
As shown in fig. 6, in order to improve the data measurement efficiency and reduce the manual measurement labor, in an embodiment of the present invention, a magnetic induction device 50 may be disposed on the outer circumferential surface of the sensor head 20, where the magnetic induction device 50 includes two magnetic induction elastic pieces 51 respectively located at different positions in the axial direction of the sensor head 20, one ends of the two magnetic induction elastic pieces 51 are connected to the magnetic induction switch through a line, the other ends are respectively contacted with the inner wall of the inclinometer pipe 70, and magnetic rings 71 are disposed on the outer pipe wall of the inclinometer pipe 70 at axial intervals.
When the magnetic induction spring plate 51 at the front end senses the magnetic ring 71, the magnetic induction switch connected with the magnetic induction spring plate is closed, and a signal is sent to the data receiving device, at this time, the current split inclinometer 100 can be confirmed according to the sequence of triggering the magnetic ring 71, and the current split inclinometer is descending. When the magnetic switch of the magnetic induction spring piece 51 at the rear end sends a closing signal, it indicates that the split inclinometer 100 is ascending at this time. According to the length of each track measurement, the magnetic rings 71 can be respectively installed at the position of each track conversion of the inclinometer 70, when the split inclinometer 100 descends or ascends, a switch signal is generated after each magnetic ring 71 passes, the sensor head 20 sends an acquisition signal to the data receiving device according to the switch signal, and the data acquisition device acquires and stores the data of the current sensor head 20 once according to the acquisition signal. When the sensor head 20 continues to ascend or descend and encounters the magnetic ring 71 at the next position, an acquisition signal is sent again, and the data receiving device acquires and stores the data again.
In this embodiment, the magnetically sensitive switch may be mounted on the magnetic induction spring plate 51 near the contact position with the inclinometer pipe 70, and the closing information of the magnetically sensitive switch may be connected to the control unit in the sensor head 20 through a circuit, and the structure is suitable for drilling holes with large influence of the underground magnetic field. In other embodiments, the magnetic induction spring plate 51 may be made of a magnetically conductive material, where a magnetic induction switch is installed in the sensor head 20, and a magnetic signal of the magnetic ring 71 is conducted to the magnetic induction switch in the sensor head 20 by the magnetic induction spring plate 51, so that the magnetic induction switch generates a corresponding closing signal. The embodiment is suitable for drilling holes with less influence of underground magnetic fields. In addition, the influence of external magnetic fields can be avoided according to the sensitivity of the magnetic conductive material, for example, a specific magnetic conductive material can be matched with the magnetism of the magnetic ring 71, so that the magnetic conductive material forming the magnetic induction elastic sheet 51 only receives magnetism in the range of the magnetic ring 71.
To acquire different geological information, an angle sensor for measuring an inclination angle, a pressure sensor for measuring an underground pressure, a temperature sensor for measuring an underground temperature, a water pressure sensor for measuring an underground water pressure, and an electronic compass for indicating a current azimuth are installed in the sensor head 20 of one embodiment of the present invention. Each sensor is connected to a cable 60 connected to the ground through a data line, and transmits geological information of the current position. The water pressure sensor is used for realizing water pressure measurement through a pressure sensing hole arranged on the side wall of the sensing head.
The split inclinometer 100 in this embodiment can also be used as a borehole layered settlement gauge to measure the information of the underground layered settlement, and the specific process is as follows:
1. setting the data receiving device to a sedimentation measurement mode;
2. placing the inclinometer 70 into a borehole, and slowly placing the split inclinometer 100 into the inclinometer 70;
3. when the split inclinometer 100 is operated to the position of the preassembled magnetic ring 71, a pulse signal is output;
4. after the data receiving device receives the pulse signal, stopping the lowering immediately, and then reading the scale value (the whole surface of the cable 60 is provided with a numerical value for marking the length) at the position where the data line is flush with the drilling hole at the moment;
5. continuing to descend, stopping descending again when the next magnetic ring 71 receives a pulse signal, and reading the scale value on the cable 60;
6. according to the number of the pre-installed magnetic rings 71, the corresponding number of scale readings are completed and recorded as the result of one measurement.
7. The above measuring process is repeated in different time periods, the difference between the scale values of the obtained measuring results is the settlement of a certain magnetic ring 71, and the settlement of the magnetic ring 71 is driven by the settlement of surrounding soil, so the difference is the layered settlement of the soil.
Further, in one embodiment of the present invention, to simplify and facilitate the receiving and processing of data, the data receiving device may include a mobile phone, a tablet, a personal computer, and a reader, each of which may be connected to the output cable 60 of the sensor head 20 through a data interface, and the storing, analyzing, and forwarding of the received data may be implemented through an internal preset control software.
The light sensing device is arranged in the reader in the embodiment, and can automatically start and stop the background light of the screen according to the change of the ambient light, so that the data reading is more convenient. The magnet is installed in reading instrument upper cover department, and hall sensor is installed to the lower part, through hall sensor's sensing signal, can detect lid opening, closing action, realizes automatic shutdown function. The reader comprises a multi-area data management function to process different measured data respectively, so that one device can be used in a plurality of areas (sites) at the same time, and the data cannot be confused. The coordinate information of the measuring point can be simultaneously stored together while data are collected on site through the built-in GPS, so that the measuring point positions can be distinguished conveniently. The data transmission of the reader adopts a multi-network mode, including Bluetooth, GSM/GPRS and radio frequency, can be directly set as a full-automatic monitor, and is permanently placed on site to form a wireless monitor. The system can be connected with a mobile phone and a tablet through Bluetooth to download monitoring data and modify parameters. The early warning information can also be sent to the remote place through a wireless network. The vibrating wire reading module is also arranged in the reading instrument, can be used for reading various vibrating wire sensors widely used in engineering, and is a complete vibrating wire reading instrument. The reader can be connected with various engineering site sensors through built-in voltage and current sensor interfaces and an RS485 interface.
In order to further realize permanent unattended operation, the reader can be further provided with a solar charging interface and a charging management module in the reader.
Further, in one embodiment of the present invention, the front and rear guide wheels 41 and 42 may be connected to the sub-lever 11 through guide wheel mounting levers 43, respectively, through grooves are provided on the guide wheel mounting levers 43 along the axial line, the front and rear guide wheels 41 and 42 respectively include two pulleys 45 and a pulley connecting rod 44 connecting the two pulleys 45, the pulley connecting rod 44 is rotatably installed in the through grooves by a shaft rod vertically passing through the center, torsion springs are provided on the shaft rod to maintain the pulley connecting rod 44 at a predetermined angle with the guide wheel mounting levers 43, and the two pulleys 45 of the installed front and rear guide wheels 41 and 42 respectively protrude out of the through grooves.
When the track adjusting lever 10 is placed in the inclinometer pipe 70, the two pulleys 45 of the front guide wheel 41 and the rear guide wheel 42 are respectively clamped into the two opposite grooves 72, and the track adjusting lever 10 is made to advance or retreat along the grooves 72. During the running process of the track adjusting lever 10, the torsion spring always applies an elastic force to the pulley connecting rod 44, so that the pulleys 45 at the two ends of the torsion spring are always clung to the grooves 72. When the inclinometer 70 is deformed by shrinkage, the pressure applied to the two pulleys 45 by the inclinometer 70 will reduce the included angle between the pulley connecting rod 44 controlled by the torsion spring and the tread adjusting rod 10. When the inclinometer pipe 70 is deformed by expansion, the pressure applied to the two pulleys 45 by the inclinometer pipe 70 is reduced, and at this time, the angle between the pulley connecting rod 44 controlled by the torsion spring and the tread adjusting rod 10 is increased.
The guide wheel mounting lever 43 in this embodiment may be one of the sub-levers 11, and the connection manner is the same as that of the sub-levers 11.
By now it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described herein in detail, many other variations or modifications of the invention consistent with the principles of the invention may be directly ascertained or inferred from the present disclosure without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.
Claims (6)
1. The utility model provides a split type inclinometer of adjustable wheel track, its characterized in that includes that inside pipe wall has the inclinometer of cross axial distribution recess, and is used for installing inside the inclinometer:
the wheel distance adjusting rod consists of a plurality of sections of sub-rods which can be fixedly connected with each other;
the guide wheel group comprises a front guide wheel and a rear guide wheel which are respectively arranged at two ends of the wheel distance adjusting rod, and the front guide wheel and the rear guide wheel are respectively clamped into two opposite grooves on the inner wall of the inclinometer pipe so as to automatically adjust the position of the wheel distance adjusting rod;
the sensing head is arranged at one end of the wheel distance adjusting rod, which is connected with the front guide wheel, and is used for acquiring various geological information through a sensor and transmitting the geological information to the ground through a cable; and
the data receiving device is used for receiving and recording the data sent by the sensing head;
the magnetic induction device comprises two magnetic induction elastic pieces which are respectively positioned at different positions in the axial direction of the sensing head, one end of each magnetic induction elastic piece is connected with a magnetic induction switch, the other end of each magnetic induction elastic piece is respectively connected with the inclinometer pipe, magnetic rings are axially arranged on the outer pipe wall of the inclinometer pipe at intervals, and the magnetic induction switches are connected with a control unit in the sensing head through circuits;
the data receiving device is used as a trigger condition for starting to record current measurement data according to a trigger signal generated when the magnetic induction elastic sheet is in contact with the magnetic ring; the data receiving device comprises a mobile phone, a tablet, a personal computer and a reader, and is connected with a data output line of the sensing head through a data interface, and the storage, analysis and forwarding of received data are realized through internal preset control software;
the mutual connection structure of the sub-rods is as follows: fixing tables with semicircular sections are respectively arranged at two ends of each sub-rod, adjacent sub-rods are fixed by bolts which pass through the two buckled fixing tables in the radial direction at the same time, and clamping structures for limiting the axial movement of the sub-rods are respectively arranged on the connecting surfaces of the two fixing tables, which are in contact with each other;
the front guide wheel and the rear guide wheel are respectively connected with the wheel track adjusting rod through guide wheel mounting rods, through grooves are formed in the guide wheel mounting rods along the axial lead, the front guide wheel and the rear guide wheel respectively comprise two pulleys connected through pulley connecting rods, the pulley connecting rods are rotatably mounted in the through grooves through shaft rods vertically penetrating through the center, and torsion springs enabling the pulley connecting rods to keep a preset angle with the guide wheel mounting rods are arranged on the shaft rods.
2. The split inclinometer of claim 1, wherein,
the lengths of the sub-rods are the same or different.
3. The split inclinometer of claim 1, wherein,
the clamping structure comprises a convex column arranged on one connecting surface and a concave pit arranged on the other connecting surface and capable of accommodating the convex column.
4. The split inclinometer of claim 1, wherein,
the clamping structure comprises saw-tooth-shaped cross bars which are respectively arranged on the two connecting surfaces and form staggered occlusion.
5. The split inclinometer of claim 1, wherein,
the nut of the bolt is conical, and a conical pit for accommodating the nut is arranged on the fixed table.
6. The split inclinometer of claim 1, wherein,
the sensor head is internally provided with an angle sensor for measuring the inclination angle, a pressure sensor for measuring the underground pressure, a temperature sensor for measuring the underground temperature, a water pressure sensor for measuring the underground water pressure and an electronic compass for indicating the current direction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610516967.4A CN105952442B (en) | 2016-07-04 | 2016-07-04 | Split inclinometer with adjustable wheel track |
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| CN201610516967.4A CN105952442B (en) | 2016-07-04 | 2016-07-04 | Split inclinometer with adjustable wheel track |
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| CN108729904A (en) * | 2018-06-26 | 2018-11-02 | 中国矿业大学(北京) | A kind of novel fixation type inclinometer monitoring unit and implementation method |
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| CN200943486Y (en) * | 2007-03-05 | 2007-09-05 | 长江水利委员会长江科学院 | Driftmeter checking platform |
| CN201155325Y (en) * | 2007-11-21 | 2008-11-26 | 航天科工惯性技术有限公司 | Rotating inertia body for optical fibre gyroscope continuous gradient meter |
| CN101936726B (en) * | 2010-07-05 | 2012-04-25 | 河海大学 | Waterproof anti-sticking portable probe of sliding inclinometer |
| KR101020125B1 (en) * | 2010-10-26 | 2011-03-08 | (주)테스콤엔지니어링 | Measurment sensor apparatus for auto ground inclinometer |
| CN103742143B (en) * | 2014-01-08 | 2015-12-02 | 上海大屯能源股份有限公司 | Mining overburden destroys the dual probe detection method of horizontal distortion |
| CN204175286U (en) * | 2014-10-08 | 2015-02-25 | 葛洲坝试验检测有限公司 | For monitoring the drilling well inclination measurement device of sliding mass strata displacement |
| CN204371317U (en) * | 2014-12-25 | 2015-06-03 | 北京六合伟业科技股份有限公司 | A kind of communication pipe nipple of adjustable length |
| CN204373646U (en) * | 2015-01-16 | 2015-06-03 | 长安大学 | A kind of roller can manual type sliding inclinometer |
| CN205858322U (en) * | 2016-07-04 | 2017-01-04 | 河北稳控科技有限公司 | A kind of split type inclinometer of adjustable tread |
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