CN109387311A - It is a kind of for measuring the on-Line Monitor Device of ground internal stress - Google Patents
It is a kind of for measuring the on-Line Monitor Device of ground internal stress Download PDFInfo
- Publication number
- CN109387311A CN109387311A CN201710650575.1A CN201710650575A CN109387311A CN 109387311 A CN109387311 A CN 109387311A CN 201710650575 A CN201710650575 A CN 201710650575A CN 109387311 A CN109387311 A CN 109387311A
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- CN
- China
- Prior art keywords
- line monitor
- monitor device
- measuring
- propulsive mechanism
- augmentor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0047—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to residual stresses
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
A kind of on-Line Monitor Device more particularly to a kind of on-Line Monitor Device for measuring loose layer soil body internal stress for measuring ground internal stress, the measuring device can controlled level displacement and reinforcing size and have the function of self-locking.The device of the invention is made of soil pressure measuring unit, lateral propulsive mechanism, augmentor, and augmentor is connected with lateral propulsive mechanism, and lateral propulsive mechanism connection pressure measurement cell pushes pressure measurement cell.
Description
Technical field
The on-Line Monitor Device more particularly to a kind of measurement unconsolidated formation that the present invention relates to a kind of for measuring ground internal stress
The on-Line Monitor Device of soil body internal stress.
Background technique
In soft rock, frozen soil and unconsolidated formation pressure accurately measure be soil pressure measurement a problem, on-line monitoring more
It is difficult.It is needed when measurement adequately in view for the treatment of the disturbance and come into full contact with that location is set, in the case where realizing minimal disturbances
Coming into full contact with is a technical problem.Do not solve this technical problem targetedly in the prior art.
Chinese patent application CN201620773457.0 discloses a kind of building site stress measurement device, including guiding
Head, cylinder and static correction device, the guide head are fixedly mounted on cylinder outer surface of cupular part by sealing ring, also pacify at the top of cylinder
Equipped with offset plate out, the offset plate end out is connected with plunger, is equipped with strain gauge device and empty cylinder, the sky cylinder in plunger tip
By orientation sheath connection between strain gauge device, epoxy resin cylinder is also equipped on the outside of empty cylinder, in empty cylinder and epoxy resin
Cylinder end is fixedly installed with damping washer, is also equipped with static correction device in barrel tip, the static correction device include finder and
Mounting rod, is respectively connected with reading cable between the finder and strain gauge device, the reading cable connection has Noise reducing of data
Punching and measurement are integrated in one by processor, and by the way that correction and noise reduction technology are widely used in data acquisition.This is existing
Have technology be not involved with how to realize treat the minimal disturbances that location is set in the case where come into full contact with, be easy to disturb it is excessive or
Insufficient contact.
Chinese patent application CN201310494656.9 discloses a kind of sensor for crustal stress on-line monitoring,
Sensor includes optical cable, pressure-bearing pipe and fibre strain inductor, and the fibre strain inductor is one section of strain sensitive
The both ends of optical fiber, the fibre strain inductor are fixed on pressure-bearing inside pipe wall, the both ends difference of the fibre strain inductor
It is fused on the optical cable, the optical cable stretches out in outside the pressure-bearing pipe.The prior art be also not involved with how
Realization comes into full contact in the case where treating the minimal disturbances that location is set, and is easy to disturb excessive or insufficient contact.
Summary of the invention
It is an object of the invention to solve above-mentioned problems of the prior art, propose that one kind is answered for measuring in ground
The on-Line Monitor Device of power more particularly to a kind of on-Line Monitor Device for measuring loose layer soil body internal stress, to realize to be measured
It is come into full contact in the case where the minimal disturbances of position.
The present invention is in on-Line Monitor Device more particularly to a kind of loose layer soil body of measurement for measuring ground internal stress
The on-Line Monitor Device of stress, the measuring device can controlled level displacement and reinforcing size and have the function of self-locking.This hair
Bright device is made of soil pressure measuring unit 11, lateral propulsive mechanism 12, augmentor 13.Soil pressure measuring unit 11 is
For measuring soil pressure, type vibration wire, pressure resistance type or strain-type can be used, the effect of lateral propulsive mechanism is by soil body pressure
Power measuring unit is pushed to position to be measured, and the basic role of augmentor is applied needed for pushing mechanism to propulsive mechanism
Power.The mechanism that the present invention mentions also has a displacement lock function, the realization of the function can by independent locking mechanism 14 or
Itself principle of person's force adding machine realizes locking.
The covering device is typically put into hole 26 and is monitored on-line, and work basic principle is to be placed into monitoring device
Behind position to be measured, lateral propulsive mechanism pushes pressure sensor 23 to be bonded the hole wall soil body to be measured, and pressure sensor is collected
Data are transferred to the acquisition equipment 25 being placed on outside hole by cable 24.Resistance is not affected by when lateral propulsive mechanism promotes
When, pressure sensor 23 does not stress, and just stops load in order to avoid pine when pressure sensor 23 measures after pressure has loaded
Layer deformation is dissipated, measurement error is avoided.Displacement locking device is locked at this time, so that laterally being promoted when soil pressure changes
Mechanism does not generate displacement, to achieve the purpose that accurately to measure the variation of unconsolidated formation internal stress.The lateral pusher of the device
Structure can also measure the displacement of propulsion, can determine unconsolidated formation interior void.
Effect of the invention is:
1) above-mentioned problems of the prior art and deficiency are solved, constitute it is a kind of for measure ground internal stress
Line monitoring device more particularly to a kind of on-Line Monitor Device for measuring loose layer soil body internal stress.
2) it realizes and is come into full contact in the case where treating the minimal disturbances that location is set, opened a kind of brand-new and advanced
On-Line Monitor Device.
3) accuracy that can significantly improve measurement provides a kind of on-Line Monitor Device accurately controlled.
The present invention be realize treat the minimal disturbances that location is set in the case where come into full contact with, this be greatly saved manpower,
Time and investment also improve the reliability of measurement.Soil of the present invention in the on-Line Monitor Device for needing to measure ground internal stress
It builds, be extremely important and great practical application value in the engineerings such as electric power.
Detailed description of the invention
Present invention is further described in detail with reference to the accompanying drawings and examples:
Fig. 1 is the basic block diagram of device provided by the invention；
Fig. 2 is the installation diagram of device provided by the invention；
Fig. 3 is one embodiment；
Fig. 4 is one embodiment propulsion device；
Fig. 5 is second embodiment；
Fig. 6 is second embodiment propulsion device；
11. soil pressure measuring unit in figure, 12. lateral propulsive mechanisms, 13. augmentors, 14. locking mechanisms, 21. holes
Wall, 22. apparatus main bodies, 23. pressure sensors, 24. cables, 25. acquisition equipment, 31. pressure sensors, 32. propulsion devices,
33. augmentor, 34. structure-steel framings, 35. hydraulic tubes, 36. solenoid valves, 37. pistons, 41. power drive bars, 42. positioning supports
Bar, 43. rod sets, 44. support plates, 45. sensor mounts, 46. sensors, 51. pressure sensors, 52. drive rods, 53. steps
Into motor, 54. apparatus structure framves, 55. cables, 56. sliding blocks, 57. guide rails, 58. sensor mounts, 59. support rods, 61. rollings
Ballscrew, 62. positioning support bars, 63. rod sets, 64. support plates, 65. feed screw nuts, 66. sensors, 67. motors, 68. guide rails,
69. sliding block.
Protection scope of the present invention is not limited to following specific embodiment.
Specific embodiment
It as shown in Figure 3 and Figure 4, is one embodiment of the present of invention.
As shown in figure 3, pressure sensor 31 is realized for measuring soil pressure, propulsion device 32 for a long time to pressure sensor
31 propulsion reinforcing, and guarantee direction of propulsion and displacement, other propulsions are reinforced by augmentor 33, augmentor in the present embodiment
It is made of hydraulic cylinder and the solenoid valve 36 for controlling locking, wherein the piston 37 in hydraulic cylinder and reinforcing propulsion device 32 connect
It connects, realizes reinforcing, it is hydraulic to enter fluid cylinder promotion piston motion after solenoid valve 36 by hydraulic tube 35.Piston and propulsion device
It links together therefore is able to drive pressure sensor and moved, realize the lateral fitting of pressure sensor.Positioning and locking is
Realize that solenoid valve is using normally closed by locking solenoid valve, it is only necessary to which hydraulic locking can be completed by power-off.The displacement of propulsion
It is to calculate to obtain according to the liquid volume entered in fluid cylinder.The embodiment can be realized present invention purpose to be achieved, quasi-
Fitting of the true realization pressure cell to hole wall.Displacement is related to the stroke of hydraulic fluid cylinder, usual stroke within 100mm,
The direction of excessive stroke reinforcing not easy to control.
Propulsion device described in the present embodiment is by power drive bar 41, positioning support bar 42, rod set 43 and support plate 44
It constitutes, support rod 42, drive rod 41 and sensor mount 45 are rigidly connected, and pressure is installed on sensor mount and is passed
Sensor 46.Power drive bar is connected with power device, will drive sensor mount 45 and peace when power device movement
Sensor 46 on mounting rack moves together, and positioning support bar 42 and rod set together define the direction of motion and keep thrust
It is uniform.
It as shown in Figure 5 and Figure 6, is second embodiment of the invention.
As shown in figure 5, by pressure sensor 51, sensor mount 58, apparatus structure frame 54 and by 59 and of support rod
The propulsion device that drive rod 52 is constituted, power device are driven using stepper motor 53, and stepper motor and sliding block 56 are connected to
Together, it and is mounted on guide rail 57.Guide rail is fixed on apparatus structure frame 54.The basic principle of device is stepper motor rotation
It drives drive rod 52 to rotate, and then is converted to the movement together of motor and propulsion device, push sensor mount 58 and sensing
Device 51 moves together, and the effect of propulsion device is that the rotary motion of motor is become motor to move along a straight line along guide rail.To paste
Close loose structure layer to be measured.Motor driven part is usually wrapped and is made of motor and corresponding reduction gearbox, and wherein motor reduction gearbox can
To use gear box structure or turbine and worm structure, the structure of both types all has self-lock ability, so as to lock
The displacement of sensor.
As shown in fig. 6, propulsion device described in the present embodiment, including, ball-screw 61, feed screw nut 65, positioning support
Bar 62, rod set 63, support plate 64 are constituted, and wherein ball-screw 61 and motor 67 are rigidly connected, and motor 67 passes through sliding block
69 can slide on guide rail 68.Feed screw nut 65 and support plate 64 and apparatus structure frame are fixed together.When motor 67 revolves
When turning, because feed screw nut 65 is fixed, motor 67 and ball-screw 61 will be slided along guide rail 68, so that sensor be driven to install
Frame 66 moves, and then sensor is pushed to be bonded unconsolidated formation to be measured.The device is controlled using the reinforcing of high-precision ball-screw,
Its thrust size is determined that displacement determines that position precision is by stepping by the stroke of ball-screw by power, the torque of stepper motor
Motor corner, reduction gearbox reduction ratio, ball bearing screw precision etc. determine usually there is very high precision.The present embodiment is because of ball wire
Thick stick, reduction gearbox can automatically lock, thus completed from principle fitting after locking function.
Two embodiments of the invention can realize the function of unconsolidated formation pressure measurement, and one embodiment is using hydraulic
Power device has the characteristics that driving force is big, but self-locking relative complex, and positioning accuracy is poor relative to second.Second embodiment tool
The advantage for having precision high, easy to control.
Above-mentioned technical proposal is two kinds of embodiments of the invention, for those skilled in the art, at this
On the basis of disclosure of the invention application method and principle, it is easy to make various types of improvement or deformation, be not limited solely to this
Invent structure described in above-mentioned specific embodiment, therefore previously described mode is only preferably, and and do not have limitation
The meaning of property.
Claims (8)
1. a kind of for measuring the on-Line Monitor Device of ground internal stress, which is characterized in that the on-Line Monitor Device can
Controlled level displacement and reinforcing size simultaneously have the function of that self-locking, described on-Line Monitor Device includes that soil pressure measurement is single
Member, lateral propulsive mechanism, augmentor are constituted, and the augmentor is connected with lateral propulsive mechanism, and lateral propulsive mechanism connects
It connects the pressure measurement cell and pushes pressure measurement cell.
2. on-Line Monitor Device as described in claim 1, it is characterised in that the device including being displaced lock function, the device are
Independent locking mechanism or augmentor itself.
3. on-Line Monitor Device as described in claim 1, it is characterised in that the lateral propulsive mechanism includes measuring to push away
Into displacement device, can determine unconsolidated formation interior void.
4. on-Line Monitor Device as described in claim 1, it is characterised in that the soil pressure measuring unit is pressure biography
Sensor, for measuring soil pressure for a long time；The lateral propulsive mechanism is propulsion device.
5. on-Line Monitor Device as claimed in claim 4, it is characterised in that the augmentor is by hydraulic cylinder and for controlling
The tight solenoid valve of lockmaking is constituted, and wherein the piston in hydraulic cylinder is connected with propulsion device, hydraulic to pass through solenoid valve by hydraulic tube
Enter fluid cylinder afterwards and pushes piston motion.
6. on-Line Monitor Device as claimed in claim 4, it is characterised in that the propulsion device is by ball-screw, lead screw spiral shell
Mother, positioning support bar, rod set, support plate are constituted, and wherein ball-screw and motor are rigidly connected, and motor can by sliding block
To be slided on guide rail.Feed screw nut and support plate and apparatus structure frame are fixed together.When motor rotation, because of lead screw spiral shell
Mother is fixed, and motor and ball-screw will be slided along guide rail.
7. on-Line Monitor Device as claimed in claim 6, it is characterised in that the propulsion device uses high-precision ball
Lead screw reinforcing control.
8. on-Line Monitor Device as claimed in claim 7, it is characterised in that the ball-screw, reduction gearbox can be automatic
Locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710650575.1A CN109387311A (en) | 2017-08-02 | 2017-08-02 | It is a kind of for measuring the on-Line Monitor Device of ground internal stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710650575.1A CN109387311A (en) | 2017-08-02 | 2017-08-02 | It is a kind of for measuring the on-Line Monitor Device of ground internal stress |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109387311A true CN109387311A (en) | 2019-02-26 |
Family
ID=65412083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710650575.1A Pending CN109387311A (en) | 2017-08-02 | 2017-08-02 | It is a kind of for measuring the on-Line Monitor Device of ground internal stress |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109387311A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567519A (en) * | 2019-08-30 | 2019-12-13 | 中国地质大学（武汉） | Measuring unit for monitoring pressure and water content of deep-hole soil body of landslide body |
| CN111928982A (en) * | 2020-07-27 | 2020-11-13 | 山东光安智能科技有限公司 | Mining visual fiber grating wide-range anchor rod cable stress monitoring sensor |
-
2017
- 2017-08-02 CN CN201710650575.1A patent/CN109387311A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567519A (en) * | 2019-08-30 | 2019-12-13 | 中国地质大学（武汉） | Measuring unit for monitoring pressure and water content of deep-hole soil body of landslide body |
| CN110567519B (en) * | 2019-08-30 | 2024-04-09 | 中国地质大学（武汉） | Measuring unit for monitoring pressure and water content of deep hole soil body of landslide body |
| CN111928982A (en) * | 2020-07-27 | 2020-11-13 | 山东光安智能科技有限公司 | Mining visual fiber grating wide-range anchor rod cable stress monitoring sensor |
| CN111928982B (en) * | 2020-07-27 | 2021-09-10 | 山东光安智能科技有限公司 | Mining visual fiber grating wide-range anchor rod cable stress monitoring sensor |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Patent director of Beijing Daochong Tyco Technology Co., Ltd Document name: Deemed as a notice of withdrawal |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190226 |