CN114252053B - Length-variable inclinometer probe - Google Patents
Length-variable inclinometer probe Download PDFInfo
- Publication number
- CN114252053B CN114252053B CN202111638343.7A CN202111638343A CN114252053B CN 114252053 B CN114252053 B CN 114252053B CN 202111638343 A CN202111638343 A CN 202111638343A CN 114252053 B CN114252053 B CN 114252053B
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- China
- Prior art keywords
- probe
- inclinometer
- sliding
- length
- pulley
- Prior art date
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- 239000000523 sample Substances 0.000 title claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a probe of a variable-length inclinometer, which comprises a probe main body, wherein the probe main body is connected with a reading instrument through a data line, length adjusting mechanisms are arranged at two ends of the probe main body along the length direction, each length adjusting mechanism comprises sliding rails symmetrically arranged at two sides of the probe main body, the sliding rails are connected with the probe main body in a sliding manner along the length direction parallel to the probe main body, a locking mechanism for locking the sliding rails is arranged on the sliding rails, and pulleys for assisting the probe to move in an inclinometer are arranged at the outer sides of the sliding rails; according to the invention, the distance between the measuring points of the inclinometer is changed through the sliding of the sliding rail, so that the accuracy of the inclinometer is changed, and the pulley which is connected elastically is utilized to assist the probe to sink, so that the clamping hole is avoided.
Description
Technical Field
The invention relates to the technical field of geotechnical engineering monitoring, in particular to a probe of a variable length inclinometer.
Background
The inclinometer is an instrument for measuring the apex angle and azimuth angle of engineering structures such as drilling holes, foundation pits, foundation foundations, walls, dam slopes and the like. The inclinometer comprises an inclinometer, a pulley device, a probe, a reading instrument, a cable and other parts. When in use, the inclinometer is usually installed in a vertical drilling hole penetrating through an unstable soil layer to a lower stable soil layer, and the deformation of the inclinometer is observed by using a digital vertical movable inclinometer probe, a control cable, a pulley device and a reader. And measuring the deformation angle of the inclinometer pipe at intervals to measure the deformation condition of the soil layer ground movement.
However, inclinometers currently on the market have some problems. First, because the deformation length is limited by the distance between two pulleys at two ends of the inclinometer, the deformation of the soil body which is more complicated and finer is difficult to measure, the measured deformation data has limited precision, and the quality of the soil body deformation measurement is greatly improved if the precision of the inclinometer can be changed. Secondly, when the inclinometer is actually used on a construction site, the probe of the inclinometer is long, and holes are easy to clamp when the inclinometer encounters a soil body with complex deformation conditions, such as a soil body with nonlinear change. Once the hole is clamped, the measurement and salvaging probe can only be stopped, and the time and the labor are consumed, so that economic loss is caused.
Disclosure of Invention
The technical purpose is that: aiming at the defects that the length of the existing inclinometer probe is limited, the precision is not adjustable, and the deformation condition is complex and the hole is easy to clamp, the invention discloses a length-adjustable length inclinometer probe which is provided with a pulley for assisting sliding.
The technical scheme is as follows: in order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a variable length inclinometer probe, includes the probe main part, and the probe main part passes through the data line and links to each other with the reading instrument, all is equipped with length adjustment mechanism along the both ends of the length direction of probe main part, length adjustment mechanism is including the slide rail of symmetry setting in probe main part both sides, and the slide rail is along the length direction sliding connection who is on a parallel with the probe main part, sets up the locking mechanism who is used for locking the slide rail on the slide rail, and the outside of slide rail sets up the pulley that is used for assisting the probe to remove in the inclinometer pipe.
Preferably, the locking mechanism comprises a sliding groove and a pin, wherein the sliding groove slides in the sliding groove, a first limiting hole is formed in the sliding groove, a second limiting hole corresponding to the first limiting hole is formed in the sliding groove, the pin penetrates through the first limiting hole and the second limiting hole, and the relative positions of the sliding groove and the sliding groove are limited.
Preferably, one end of the pin is provided with a limit boss with the diameter larger than the diameters of the first limit hole and the second limit hole, the other end of the pin is provided with a thread section, and when the sliding rail and the sliding chute are locked, the end of the pin is screwed with a nut.
Preferably, a sleeve telescopic mechanism perpendicular to the sliding direction of the sliding rail is arranged between the pulley and the sliding rail, the sleeve telescopic mechanism comprises an outer cylinder, an inner cylinder and a telescopic spring, the outer cylinder is fixed on the sliding rail, the inner cylinder and the outer cylinder are both in a structure with one end open, the inner cylinder and the outer cylinder are concentrically arranged, and the open ends are opposite; the opening end of the inner cylinder is positioned in the outer cylinder and is in sliding connection with the outer cylinder along the axial direction of the cylinder body, and the other end of the inner cylinder is connected with the pulley; the two ends of the telescopic spring are respectively and fixedly connected with the inner bottoms of the closed ends of the outer cylinder and the inner cylinder.
Preferably, the data line of the invention adopts a 3mm diameter 4-core polytetrafluoroethylene silver-plated shielding stranded wire.
Preferably, the pulley of the present invention is a nylon pulley.
Preferably, the chute of the present invention is integrally formed with the probe body.
The beneficial effects are that: the probe of the variable-length inclinometer provided by the invention has the following beneficial effects:
1. according to the invention, the sliding rails are arranged at the two ends of the probe main body and are in sliding connection with the probe main body along the length direction of the probe main body, and the whole length of the probe is changed by sliding the sliding rails, so that the distance between the measuring points of the inclinometer is changed, the purpose of changing the measuring precision is achieved, and the adjustment can be flexibly carried out according to the measuring requirements.
2. According to the invention, the pulley auxiliary probe arranged on the outer side of the sliding rail slides in the measurement inclined tube, so that the clamping hole is avoided.
3. The invention uses the pin to match with the limit hole to lock the position of the slide rail, thereby avoiding the change of the length of the probe when in use.
4. According to the invention, the sleeve telescopic mechanism is arranged between the pulley and the sliding rail, the telescopic direction is perpendicular to the length direction of the probe main body, the pulley is internally pressed into the inclinometer pipe, and the pulley is tightly attached to the inner wall of the inclinometer pipe through the elasticity of the telescopic spring, so that the probe can better detect the deformation of the inclinometer pipe.
5. The data line adopts a 3mm diameter 4-core polytetrafluoroethylene silver-plated shielding stranded wire to meet the data transmission and strength requirements.
6. The pulley of the invention adopts a nylon pulley to meet the travelling requirement of the probe in the inclinometer pipe.
7. The chute and the casing of the working part of the inclinometer are formed by one-step processing, so as to meet the requirement of tightness.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a diagram of the overall structure of the present invention;
FIG. 2 is a block diagram of a telescopic mechanism of the present invention;
FIG. 3 is a block diagram of a pin according to the present invention;
the device comprises a 1-probe body, a 2-data line, a 3-sliding rail, a 4-pulley, a 5-sliding groove, a 6-pin, a 7-first limiting hole, an 8-second limiting hole, a 9-limiting boss, a 10-threaded section, an 11-outer cylinder, a 12-inner cylinder and a 13-telescopic spring.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown, but in which the invention is not so limited.
The invention discloses a probe disclosed by the invention as shown in fig. 1-3, which comprises a probe main body 1, wherein the probe main body 1 is connected with a reader through a data line 2, length adjusting mechanisms are arranged at two ends of the probe main body 1 in the length direction, each length adjusting mechanism comprises sliding rails 3 symmetrically arranged at two sides of the probe main body, the sliding rails 3 and the probe main body 1 are in sliding connection in the length direction parallel to the probe main body, a locking mechanism for locking the sliding rails is arranged on the sliding rails 3, and pulleys 4 for assisting the probe to move in an inclinometer are arranged at the outer sides of the sliding rails 3.
The data wire 2 of the invention adopts a 3mm diameter 4-core polytetrafluoroethylene silver-plated shielding stranded wire to meet the signal transmission requirement, and the pulley adopts a nylon pulley to meet the travelling requirement of the probe in the inclinometer pipe.
In a specific embodiment, the locking mechanism comprises a sliding groove 5 and a pin 6, the sliding rail 3 slides in the sliding groove 5, a first limiting hole 7 is formed in the sliding rail 3, a second limiting hole 8 corresponding to the first limiting hole 7 is formed in the sliding groove 5, the pin 6 is arranged in the first limiting hole 7 and the second limiting hole 8 in a penetrating mode, the relative positions of the sliding rail 3 and the sliding groove 5 are limited, one end of the pin 6 is provided with a limiting boss 9 with the diameter larger than that of the first limiting hole 7 and the second limiting hole 8, the other end of the pin 6 is provided with a threaded section 10, and a nut is screwed at the end portion of the pin 6 when the sliding rail 3 and the sliding groove 5 are locked.
After the slide rail is adjusted in place, the pin 6 is used for locking, and the length of the pin is longer than the width of the slide rail so as to meet the fixing requirement; the chute and the casing of the working part of the inclinometer can be formed by one-step processing, so as to meet the requirement of tightness.
In order to ensure that a probe is attached to the inner wall of an inclinometer pipe, measurement is better, and meanwhile, the probe is conveniently placed in the inclinometer pipe; the open end of the inner cylinder 12 is positioned in the outer cylinder 11 and is in sliding connection with the outer cylinder along the axial direction of the cylinder body, and the other end of the inner cylinder is connected with the pulley 4; the two ends of the telescopic spring 13 are respectively and fixedly connected with the inner bottoms of the closed ends of the outer cylinder 11 and the inner cylinder 12. When the telescopic spring is used, an operator needs to press the telescopic spring 13, the probe of the inclinometer is plugged into the inclinometer, and a counter force can be generated due to the fact that the spring is compressed, so that the pulley is tightly attached to the wall of the inclinometer. The frictional resistance caused by the counterforce of the telescopic spring to the sinking of the inclinometer pipe should be smaller than the gravity of the probe so as to meet the requirement of the self-sinking of the inclinometer probe.
When the probe of the variable-length inclinometer is used, the nuts are unscrewed, the pins are pulled out, proper precision is selected, scales of the four sliding rails are respectively adjusted to align the scales with the same limiting holes, then the pins are inserted into the limiting holes, and the nuts are screwed on, so that the sliding rails are fixed. The operator presses the pulley to enable the sleeve telescopic mechanism to shrink, so that the probe is conveniently placed into the inclinometer pipe, and the probe can sink by means of dead weight.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (5)
1. The utility model provides a variable length inclinometer probe, its characterized in that includes probe main part (1), and probe main part (1) links to each other with the reading instrument through data line (2), all is equipped with length adjustment mechanism along the both ends of the length direction of probe main part (1), length adjustment mechanism includes slide rail (3) of symmetry setting in probe main part both sides, slide rail (3) and probe main part (1) are along being on a parallel with the length direction sliding connection of probe main part, set up the locking mechanism who is used for locking the slide rail on slide rail (3), the outside of slide rail (3) sets up pulley (4) that are used for assisting the probe to remove in the inclinometer pipe;
a sleeve telescopic mechanism perpendicular to the sliding direction of the sliding rail is arranged between the pulley (4) and the sliding rail (3), the sleeve telescopic mechanism comprises an outer cylinder (11), an inner cylinder (12) and a telescopic spring (13), the outer cylinder (11) is fixed on the sliding rail (3), the inner cylinder (12) and the outer cylinder (11) are of structures with one end open, the inner cylinder (12) and the outer cylinder (11) are concentrically arranged, and the open ends are opposite; the open end of the inner cylinder (12) is positioned in the outer cylinder (11) and is in sliding connection with the outer cylinder along the axial direction of the cylinder, and the other end of the inner cylinder is connected with the pulley (4); two ends of the telescopic spring (13) are fixedly connected with the inner bottoms of the closed ends of the outer cylinder (11) and the inner cylinder (12) respectively;
the locking mechanism comprises a sliding groove (5) and a pin (6), wherein the sliding rail (3) slides in the sliding groove (5), a first limiting hole (7) is formed in the sliding rail (3), a second limiting hole (8) corresponding to the first limiting hole (7) is formed in the sliding groove (5), and the pin (6) is arranged in the first limiting hole (7) and the second limiting hole (8) in a penetrating mode, so that the relative positions of the sliding rail (3) and the sliding groove (5) are limited.
2. The probe of a length-varying inclinometer according to claim 1, characterized in that one end of the pin (6) is provided with a limit boss (9) with a diameter larger than that of the first limit hole (7) and the second limit hole (8), the other end of the pin (6) is provided with a thread section (10), and when the sliding rail (3) and the sliding groove (5) are locked, the end of the pin (6) is screwed with a nut.
3. A length inclinometer probe according to claim 1, characterized in that the data wire (2) uses a 3mm diameter 4-core polytetrafluoroethylene silver-plated shielding strand.
4. A length inclinometer probe according to claim 1, characterized in that the pulley (4) is a nylon pulley.
5. A length inclinometer probe according to claim 1, characterized in that the chute (5) is integrally formed with the probe body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111638343.7A CN114252053B (en) | 2021-12-30 | 2021-12-30 | Length-variable inclinometer probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111638343.7A CN114252053B (en) | 2021-12-30 | 2021-12-30 | Length-variable inclinometer probe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114252053A CN114252053A (en) | 2022-03-29 |
| CN114252053B true CN114252053B (en) | 2024-04-05 |
Family
ID=80795660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111638343.7A Active CN114252053B (en) | 2021-12-30 | 2021-12-30 | Length-variable inclinometer probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114252053B (en) |
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| CN114252053A (en) | 2022-03-29 |
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