CN106595590B - A kind of dual-axis inclinometer based on balance rod principle - Google Patents

A kind of dual-axis inclinometer based on balance rod principle Download PDF

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Publication number
CN106595590B
CN106595590B CN201611146346.8A CN201611146346A CN106595590B CN 106595590 B CN106595590 B CN 106595590B CN 201611146346 A CN201611146346 A CN 201611146346A CN 106595590 B CN106595590 B CN 106595590B
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bar
interior
ring group
ring
stable equilibrium
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CN106595590A (en
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李新平
黄玉兵
罗忆
郭运华
宋凯文
马凯伦
何治荣
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00Measuring inclination, e.g. by clinometers, by levels
    • G01C9/12Measuring inclination, e.g. by clinometers, by levels by using a single pendulum plumb lines G01C15/10
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00Measuring inclination, e.g. by clinometers, by levels
    • G01C9/02Details
    • G01C9/06Electric or photoelectric indication or reading means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00Measuring inclination, e.g. by clinometers, by levels
    • G01C9/02Details
    • G01C9/06Electric or photoelectric indication or reading means
    • G01C2009/068Electric or photoelectric indication or reading means resistive

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Abstract

The invention discloses a kind of dual-axis inclinometers based on balance rod principle, including actual measurement part, electrical measurement part and retained part;The actual measurement part includes the different outer ring group and inner ring group of diameter, is mutually perpendicular to and interior stable equilibrium's bar and outer stable equilibrium's bar that center is connected;The electrical measurement part includes conducting wire and reads to survey instrument, and the conducting wire is connected to outer ring group and inner ring group respectively, and the reading is surveyed instrument and is connected to by conducting wire with outer ring group and inner ring group;The retained part includes inserting tube and support frame, and the actual measurement part is arranged in inserting tube, and support frame as described above is arranged outside inserting tube.The present invention has the advantages that the displacement of two vertical direction of same point can be obtained: and effectively reduce production and application cost.

Description

A kind of dual-axis inclinometer based on balance rod principle
Technical field
The present invention relates to geotechnical engineering Detection of Stability technical fields, in particular to a kind of based on the two-way of balance rod principle Inclinometer.
Background technique
With the increase of urban population density, skyscraper is continued to bring out, and subway, overpass engineering are increasing, and this Class engineering is frequently necessary to carry out deep pit digging between intensive building, in order to protect Adjacent Buildings and deep basal pit itself to tie Structure safety, must detect the deformation of deep basal pit and Adjacent Buildings in construction.
Inclinometer is mostly used to the detection of deformation at this stage, the principle of inclinometer work is remained using neutral pendulum The property of vertical direction measures the inclination angle between instrument central axes and pendulum vertical line in the projection of main displacement direction, change of pitch angle Can cause change in electric, by measurement electric signal it is known that measured structure main displacement direction incremental displacement value.It is real In the engineering of border, the inclination of inclinometer pipe exists along principal direction incessantly to be displaced, and vertical along principal direction equally exists displacement.Existing rank To measure vertical displacement, the taking-up that needs to pop one's head in is rotated by 90 ° and then measures again the inclinometer of section, such to do Method was not only time-consuming, but also be easy to cause the damage of instrument.
And inclinometer used at present needs to be equipped with accurate mechanical device, and single inclinometer is expensive.And instrument Device overhauls difficulty after going wrong, this all makes testing cost high.
Summary of the invention
Present invention aim to provide a kind of dual-axis inclinometer based on balance rod principle, structure is simple, uses Convenient, cheap, precision is high, and can measure the displacement of both direction simultaneously.
To achieve the above object, a kind of dual-axis inclinometer based on balance rod principle designed by the present invention, including actual measurement Partially, electrical measurement part and retained part;
The actual measurement part includes the different outer ring group and inner ring group of diameter, is mutually perpendicular to and interior stabilization that center is connected is flat Weigh bar and outer stable equilibrium's bar;
The outer ring group includes being mutually perpendicular to and the identical outer fixed ring of diameter and dispatch from foreign news agency balk ring, and the inner ring group includes phase The mutually vertical and identical interior fixed ring of diameter and interior resistance ring, the outer fixed ring, dispatch from foreign news agency balk ring, interior fixed ring and interior resistance ring The center of circle be overlapped, interior stable equilibrium's bar and outer stable equilibrium's bar remain horizontal;
Interior stable equilibrium's bar head and the tail are contacted with interior resistance ring inner ring, and outer stable equilibrium's bar head and the tail are and dispatch from foreign news agency The contact of balk ring inner ring;
Installation axle is symmetrically arranged in the outer fixed ring, the outer ring group is fixed on retained part by installation axle, institute Inner ring group is stated to connect by installation axle and the rotation of outer ring group;
The electrical measurement part includes conducting wire and reads to survey instrument, and the conducting wire is connected to outer ring group and inner ring group respectively, the reading Instrument is surveyed to be connected to by conducting wire with outer ring group and inner ring group;
The retained part includes inserting tube and support frame, and the actual measurement part is arranged in inserting tube, support frame as described above setting Outside inserting tube.
Further, the lower section of interior stable equilibrium's bar and outer stable equilibrium's bar junction is equipped with balanced ball.
Further, interior stable equilibrium's bar and outer stable equilibrium's bar both ends are equipped with brush, and the interior stabilization is flat Weighing apparatus bar head and the tail are contacted by brush with interior resistance ring inner ring, and outer stable equilibrium's bar head and the tail pass through brush and dispatch from foreign news agency balk ring Inner ring contact.
Further, the flexible material for protecting actual measurement part is equipped in the inserting tube.
Further, support frame as described above one end is connected to inserting tube outer wall, and the support frame as described above other end is provided with guide wheel.
As preference, rubber stopper is equipped at the top of the inserting tube, the conducting wire passes through rubber stopper and is connected to actual measurement part.
As preference, the inserting tube bottom is equipped with serum cap.
As preference, the lock-screw for stable equilibrium's bar in locking is additionally provided in the installation axle.
The present invention has the advantages that
1, the displacement of two vertical direction of same point can be obtained: each stable equilibrium's guide rod remains horizontal, passes through electricity The resistance wire of brush connection two sides being embedded in the resistance ring, each resistance ring are tilted with probe along respective direction.Initial resistance Value can be measured and is zeroed, and during inclino-probe decentralization, resistance value can generate variation by initial value relatively, utilize resistance wire Resistance value and length have the principle of linear corresponding relation, can extrapolate the inclined angle of deviational survey inserting tube, and then calculate deviational survey Locate change in displacement situation.
2, effectively reduce cost: one side structure is relatively simple, avoids the mechanical electric of some high-cost precisions Subcomponent effectively reduces production cost;Another the annulus group can be fixed in inserting tube with screw face to face, facilitate inspection It repairs, replace, effectively reduce maintenance cost.
Detailed description of the invention
Fig. 1 is use state diagram of the invention.
Fig. 2 is the structural schematic diagram of present invention actual measurement part.
In figure: outer ring group 1 (wherein: outer fixed ring 1.1, dispatch from foreign news agency balk ring 1.2, installation axle 1.3, lock-screw 1.4), inner ring Group 2 (wherein: interior fixed ring 2.1, interior resistance ring 2.2), interior stable equilibrium's bar 3, outer stable equilibrium's bar 4, conducting wire 5, read survey instrument 6, Inserting tube 7, support frame 8, balanced ball 9, serum cap 10, guide wheel 11, rubber stopper 12, flexible material 13, brush 14.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments:
As shown in Fig. 1~2 it is a kind of based on balance rod principle dual-axis inclinometer, including actual measurement part, electrical measurement part and Retained part;The actual measurement part includes the different outer ring group 1 and inner ring group 2 of diameter, is mutually perpendicular to and that center is connected is interior steady Determine balancing pole 3 and outer stable equilibrium's bar 4, the lower section of interior stable equilibrium's bar 3 and outer 4 junction of stable equilibrium's bar is equipped with balance Ball 9, balanced ball 9 preferably select shot.The outer ring group 1 includes being mutually perpendicular to and the identical outer fixed ring 1.1 of diameter and external resistance Ring 1.2, the inner ring group 2 include being mutually perpendicular to and the identical interior fixed ring 2.1 of diameter and interior resistance ring 2.2, the outer fixation Ring 1.1, dispatch from foreign news agency balk ring 1.2, interior fixed ring 2.1 and interior resistance ring 2.2 the center of circle be overlapped, interior stable equilibrium's bar 3 and outer steady Determine balancing pole 4 and remains horizontal;3 head and the tail of interior stable equilibrium's bar are contacted with interior 2.2 inner ring of resistance ring, the outer stabilization 4 head and the tail of balancing pole are contacted with 1.2 inner ring of dispatch from foreign news agency balk ring, and interior stable equilibrium's bar 3 and outer 4 both ends of stable equilibrium's bar are equipped with Brush 14, interior 3 head and the tail of stable equilibrium's bar are contacted by brush 14 with interior 2.2 inner ring of resistance ring, the outer stable equilibrium 4 head and the tail of bar are contacted by brush 14 with 1.2 inner ring of dispatch from foreign news agency balk ring.It is symmetrically arranged with installation axle 1.3 in the outer fixed ring 1.1, The outer ring group 1 is fixed on retained part by installation axle 1.3, and the inner ring group 2 is revolved by installation axle 1.3 and outer ring group 1 Turn connection;The lock-screw 1.4 for stable equilibrium's bar 3 in locking is additionally provided in the installation axle 1.3.
The electrical measurement part includes conducting wire 5 and reads to survey instrument 6, and the conducting wire 5 is connected to outer ring group 1 and inner ring group 2 respectively, institute Reading survey instrument 6 is stated to be connected to by conducting wire 5 with outer ring group 1 and inner ring group 2.
The retained part includes inserting tube 7 and support frame 8, and the actual measurement part is arranged in inserting tube 7, support frame as described above 8 It is arranged outside inserting tube 7,8 one end of support frame as described above is connected to 7 outer wall of inserting tube, and 8 other end of support frame as described above is provided with guide wheel 11.Institute It states and is equipped with rubber stopper 12 at the top of inserting tube 7, the conducting wire 5 passes through rubber stopper 12 and is connected to actual measurement part.7 bottom of inserting tube is equipped with Serum cap 10.The flexible material 13 for protecting actual measurement part is additionally provided in the inserting tube 7.
In actual use:
When work, inserting tube 7 is slowly put into along the guide groove of pre- inbuilt inclinometer pipe, when inserting tube 7 inclines with inclinometer pipe Tiltedly, outer ring group 1 and inner ring group 2 generate inclination to respective direction of displacement therewith, and the resistance wire for driving its embedded generates inclination.Due to Interior stable equilibrium's bar 3 and outer stable equilibrium's bar 4 remain horizontal, with the contact position of dispatch from foreign news agency balk ring 1.2 and interior resistance ring 2.2 It sets and changes.Then the resistance in each circuit can change, and the variation of electric current is known by the electricity component in plate reading 6 Situation, and then inquire into the gradient of inserting tube 7 out, the displacement of the horizontal direction of inserting tube 7 can be acquired.
When stopping using, or in the handling process, to avoid each brush 14 from rotating in shell, by lock-screw 1.4 It is inserted into installation axle 1.3, then fixed effect can be achieved.When measurement, lock-screw 1.4 is slightly extracted.
Finally it is pointed out that above embodiments are only the more representational examples of the present invention.It is clear that the invention is not restricted to Above-described embodiment, acceptable there are many deformations.Any letter made to the above embodiment according to the technical essence of the invention Single modification, equivalent variations and modification, are considered as belonging to the scope of protection of the present invention.

Claims (7)

1. a kind of dual-axis inclinometer based on balance rod principle, it is characterised in that: including actual measurement part, electrical measurement part and clamping part Point;
The actual measurement part includes the different outer ring group (1) and inner ring group (2) of diameter, is mutually perpendicular to and interior stabilization that center is connected Balancing pole (3) and outer stable equilibrium's bar (4);
The outer ring group (1) includes being mutually perpendicular to and the identical outer fixed ring (1.1) of diameter and dispatch from foreign news agency balk ring (1.2), described interior Ring group (2) includes being mutually perpendicular to and the identical interior fixed ring (2.1) of diameter and interior resistance ring (2.2), the outer fixed ring (1.1), the center of circle of dispatch from foreign news agency balk ring (1.2), interior fixed ring (2.1) and interior resistance ring (2.2) is overlapped, interior stable equilibrium's bar (3) and outer stable equilibrium's bar (4) remains horizontal;
Interior stable equilibrium's bar (3) head and the tail are contacted with interior resistance ring (2.2) inner ring, outer stable equilibrium's bar (4) head and the tail Contacted with dispatch from foreign news agency balk ring (1.2) inner ring;
It is symmetrically arranged with installation axle (1.3) on the outer fixed ring (1.1), the outer ring group (1) is fixed on by installation axle (1.3) On retained part, the inner ring group (2) is connected by installation axle (1.3) and outer ring group (1) rotation;
The electrical measurement part include conducting wire (5) and read survey instrument (6), the conducting wire (5) respectively with outer ring group (1) and inner ring group (2) Connection, the reading are surveyed instrument (6) and are connected to by conducting wire (5) with outer ring group (1) and inner ring group (2);
The retained part includes inserting tube (7) and support frame (8), and actual measurement part setting is in inserting tube (7), support frame as described above (8) setting inserting tube (7) outside;
Interior stable equilibrium's bar (3) and outer stable equilibrium's bar (4) both ends are equipped with brush (14), interior stable equilibrium's bar (3) head and the tail are contacted by brush (14) with interior resistance ring (2.2) inner ring, and outer stable equilibrium's bar (4) head and the tail pass through electricity Brush (14) is contacted with dispatch from foreign news agency balk ring (1.2) inner ring.
2. a kind of dual-axis inclinometer based on balance rod principle according to claim 1, it is characterised in that: the interior stabilization The lower section of balancing pole (3) and outer stable equilibrium's bar (4) junction is equipped with balanced ball (9).
3. a kind of dual-axis inclinometer based on balance rod principle according to claim 2, it is characterised in that: the inserting tube (7) flexible material (13) for protecting actual measurement part is equipped in.
4. a kind of dual-axis inclinometer based on balance rod principle according to claim 3, it is characterised in that: support frame as described above (8) one end is connected to inserting tube (7) outer wall, and support frame as described above (8) other end is provided with guide wheel (11).
5. a kind of dual-axis inclinometer based on balance rod principle, feature described according to claim 1 ~ any one of 4 exist In: rubber stopper (12) are equipped at the top of the inserting tube (7), the conducting wire (5) passes through rubber stopper (12) and is connected to actual measurement part.
6. a kind of dual-axis inclinometer based on balance rod principle according to claim 5, it is characterised in that: the inserting tube (7) bottom is equipped with serum cap (10).
7. a kind of dual-axis inclinometer based on balance rod principle according to claim 6, it is characterised in that: the installation axle (1.3) lock-screw (1.4) for stable equilibrium's bar (3) in locking is additionally provided on.
CN201611146346.8A 2016-12-13 2016-12-13 A kind of dual-axis inclinometer based on balance rod principle Active CN106595590B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110159255B (en) * 2019-07-02 2024-06-11 中国矿业大学(北京) Gas drilling inclinometer based on superconducting slider varistor idea and implementation method
CN110975056B (en) * 2020-02-12 2021-10-08 宋均英 Medical floor infusion support for emergency department

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4644662A (en) * 1985-01-31 1987-02-24 Sperry Corporation Capacitive gravity sensor
US5170567A (en) * 1986-01-23 1992-12-15 The Stanley Works Electronic inclinometer
CN1635336A (en) * 2003-12-25 2005-07-06 香港理工大学 Optical fiber grating inclination angle sensor
CN103047963A (en) * 2011-10-11 2013-04-17 昆达电脑科技(昆山)有限公司 Automobile gradient detection apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4644662A (en) * 1985-01-31 1987-02-24 Sperry Corporation Capacitive gravity sensor
US5170567A (en) * 1986-01-23 1992-12-15 The Stanley Works Electronic inclinometer
CN1635336A (en) * 2003-12-25 2005-07-06 香港理工大学 Optical fiber grating inclination angle sensor
CN103047963A (en) * 2011-10-11 2013-04-17 昆达电脑科技(昆山)有限公司 Automobile gradient detection apparatus

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