CN220729143U - Device for rapidly measuring tunnel transient electromagnetic instrument angle - Google Patents
Device for rapidly measuring tunnel transient electromagnetic instrument angle Download PDFInfo
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- CN220729143U CN220729143U CN202321570357.4U CN202321570357U CN220729143U CN 220729143 U CN220729143 U CN 220729143U CN 202321570357 U CN202321570357 U CN 202321570357U CN 220729143 U CN220729143 U CN 220729143U
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- 230000001052 transient effect Effects 0.000 title claims abstract description 36
- 230000000694 effects Effects 0.000 claims description 7
- 244000309464 bull Species 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 20
- 229910052742 iron Inorganic materials 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 235000013290 Sagittaria latifolia Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000015246 common arrowhead Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model relates to the technical field of tunnel construction survey, and discloses a device for rapidly measuring the angle of a tunnel transient electromagnetic instrument, which comprises a wire frame, a mounting seat, an upper clamping plate, a dial and an angle indicator, wherein an indication arrow is arranged in the angle indicator, a rotating rod is rotatably connected to the inner surface of the bottom of a fixed disc, a sun gear is fixedly connected to the outer surface of the top of the rotating rod, three planetary gears are movably meshed with the outer surface of the sun gear, and a fluted disc is rotatably connected to the inner surface of the fixed disc. This device of quick survey tunnel transient electromagnetic instrument angle through setting up calibrated scale, angle indicator and bubble, cooperates first knob, drive bevel gear, driven bevel gear, sun gear and planetary gear, has solved in pulse emission process extremely sensitive to the iron material, and the angle measuring apparatu is the iron material, has the problem of certain influence to the measurement of transient electromagnetic instrument angle.
Description
Technical Field
The utility model relates to the technical field of tunnel construction survey, in particular to a device for rapidly measuring the angle of a tunnel transient electromagnetic instrument.
Background
The condition in the tunnel needs to be surveyed before tunnel construction, the horizontal survey line is preferably perpendicular to the left wall of the tunnel by taking the normal direction of the wire frame as a starting point (O degrees), one measuring point is arranged every 15 degrees clockwise, after the normal direction of the wire frame is consistent with the tunnel excavation direction (90 degrees), one measuring point is arranged every 0.5m, and sector scanning is sequentially carried out until the normal direction of the wire frame is perpendicular to the right wall of the tunnel (180 degrees). The plumb line is preferably arranged at intervals of 15 degrees by taking the normal direction of the line frame and the tunnel excavation direction as a starting point, and the normal direction of the line frame and the tunnel excavation direction are preferably at an angle of 45 degrees.
The transient electromagnetic instrument is an instrument commonly used for tunnel measurement at present, and cannot accurately position the line frame normal and the angle of plumb line and tunnel excavation face, so that angle measurement is needed by means of an angle measurer, but the transient electromagnetic instrument is extremely sensitive to iron substances in the pulse emission process, and is an iron substance, and the angle measurement has a certain influence on the measurement of the angle of the transient electromagnetic instrument, so that a device for rapidly measuring the angle of the transient electromagnetic instrument of the tunnel is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a device for rapidly measuring the angle of a transient electromagnetic instrument of a tunnel, which is used for solving the problems that the transient electromagnetic instrument in the background art adopts an ungrounded loop to emit a primary pulse magnetic field to a tunnel excavation face, and a coil is utilized to observe a secondary vortex field during the intermittent period of the primary pulse magnetic field, but the transient electromagnetic instrument is extremely sensitive to iron substances in the pulse emission process, and the angle measuring instrument is an iron substance and has a certain influence on the measurement of the angle of the transient electromagnetic instrument.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a device of quick survey tunnel transient electromagnetic instrument angle, includes wire frame, mount pad, punch holder, calibrated scale and angle indicator, the inside of angle indicator is provided with liquid and bubble, the inside of angle indicator is provided with the instruction arrow head, the surface fastening of mount pad has the connecting rod, the top surface fixedly connected with fixed disk of connecting rod, the bottom internal surface rotation of fixed disk is connected with the bull stick, the top surface fixedly connected with sun gear of bull stick, sun gear's surface movable engagement has three planetary gear, the internal surface rotation of fixed disk is connected with the fluted disc, three planetary gear and the surface movable engagement of fluted disc, the top surface fixedly connected with bracing piece of fluted disc, angle indicator fixedly connected with is at the top surface of bracing piece, the calibrated scale rotates the cover and establishes the surface at the bracing piece.
Preferably, the bottom surface screw thread of mount pad runs through there is the threaded rod, the bottom surface fixedly connected with second knob of threaded rod, the top surface rotation of threaded rod is connected with the lower plate.
Preferably, the right side surface of fixed disk rotates and runs through there is first pivot, the surface fixed connection of first pivot has first knob, the surface fixed cover of first pivot is equipped with drive bevel gear, the surface fixed cover of bull stick is equipped with driven bevel gear, drive bevel gear and driven bevel gear's surface activity meshing.
By adopting the technical scheme, the first rotary shaft is driven to rotate by rotating the first knob, and the first rotary shaft drives the driving bevel gear to rotate so as to drive the driven bevel gear to rotate.
Preferably, the bottom inner surface of the fixed disc is rotationally connected with three gear shafts, and the top outer surfaces of the three gear shafts are fixedly connected with the central shafts of the three planetary gears respectively.
By adopting the technical scheme, three planetary gears are respectively supported by three gear shafts.
Preferably, the upper clamping plate and the lower clamping plate are arc-shaped plates, and the opposite outer surfaces of the upper clamping plate and the lower clamping plate are fixedly connected with anti-slip pads.
By adopting the technical scheme, the device is convenient to fix on the wire frame by arranging the arc-shaped plate and the anti-slip pad.
Compared with the prior art, the utility model has the beneficial effects that:
1. this device of quick survey tunnel transient electromagnetic instrument angle through setting up calibrated scale, angle indicator and bubble, cooperates first knob, drive bevel gear, driven bevel gear, sun gear and planetary gear, has reached the normal direction of measurement transient electromagnetic instrument wire frame that can quick measuring, has improved the effect of measuring the degree of accuracy, has solved transient electromagnetic instrument and has adopted the not ground loop to the tunnel excavation face transmission pulsed magnetic field, and in the intermittent period of pulsed magnetic field of once, utilizes the method of coil observation secondary vortex field, but extremely sensitive to iron material in the pulse emission in-process, and angle measuring instrument is iron nature material, has the problem of certain influence to the measurement of transient electromagnetic instrument angle.
2. The device for rapidly measuring the tunnel transient electromagnetic instrument angle achieves the effect of being convenient for fix the device on a wire frame by arranging the upper clamping plate and the lower clamping plate and matching with the threaded rod and the second knob.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic top cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the right-side cross-sectional structure of the utility model.
In the figure: 1. a wire frame; 2. a mounting base; 3. an upper clamping plate; 4. a connecting rod; 5. a fixed plate; 6. a first rotating shaft; 7. a first knob; 8. a drive bevel gear; 9. a driven bevel gear; 10. a rotating rod; 11. a dial; 12. an angle indicator; 13. air bubbles; 14. an angle line; 15. a sun gear; 16. a planetary gear; 17. fluted disc; 18. a threaded rod; 19. a lower clamping plate; 20. and a second knob.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
referring to fig. 1-3 in combination, a device for rapidly measuring the angle of a tunnel transient electromagnetic instrument comprises a wire frame 1, a mounting seat 2, an upper clamping plate 3, a dial 11 and an angle indicator 12, wherein liquid and bubbles 13 are arranged in the angle indicator 12, when the angle of the transient electromagnetic instrument is measured, the position of the bubbles 13 in the angle indicator 12 is determined to be in a horizontally centered state, an indication arrow is arranged in the angle indicator 12, a connecting rod 4 is fixedly connected with the outer surface of the mounting seat 2, a fixed disc 5 is fixedly connected with the top outer surface of the connecting rod 4, a rotating rod 10 is rotatably connected with the inner surface of the bottom of the fixed disc 5, a first rotating shaft 6 is rotatably penetrated through the outer surface of the right side of the fixed disc 5, a first rotating knob 7 is rotated, the first rotating shaft 6 is driven by the first rotating knob 7, a first rotating shaft 7 is fixedly connected with the outer surface of the first rotating shaft 6, the outer surface of the first rotating shaft 6 is fixedly sleeved with a driving bevel gear 8, the first rotating shaft 6 rotates, the driving bevel gear 8 rotates, the outer surface of the rotating rod 10 is fixedly sleeved with a driven bevel gear 9, the driving bevel gear 8 is movably meshed with the outer surface of the driven bevel gear 9, the driving bevel gear 8 rotates the driven bevel gear 9, the top outer surface of the rotating rod 10 is fixedly connected with a sun gear 15, the driven bevel gear 9 rotates, the rotating rod 10 is driven to rotate the sun gear 15, the outer surface of the sun gear 15 is movably meshed with three planetary gears 16, the inner surface of the fixed disc 5 is rotatably connected with a fluted disc 17, the three planetary gears 16 are movably meshed with the outer surface of the fluted disc 17, the driven bevel gear 9 rotates, the rotating rod 10 is driven to rotate the sun gear 15, the sun gear 15 rotates to drive the planetary gears 16, the fluted disc 17 rotates, the top outer surface of the fluted disc 17 is fixedly connected with a supporting rod, the angle indicator 12 is fixedly connected to the top outer surface of the supporting rod, the dial 11 is rotatably sleeved on the outer surface of the supporting rod, the fluted disc 17 rotates to drive the angle indicator 12 to rotate, an indication arrow in the angle indicator 12 points to the normal direction, and accordingly the normal angle is judged according to the angle line 14, and the normal direction of the transient electromagnetic instrument is measured rapidly.
Working principle: when the device is used, the device is fixed on the wire frame 1, when the angle of the transient electromagnetic instrument is measured, the position of the bubble 13 in the angle indicator 12 is determined to be in a horizontal centering state, the first knob 7 is rotated to drive the first rotating shaft 6 to rotate so as to drive the bevel gear 8 to rotate, the drive bevel gear 8 is rotated to drive the driven bevel gear 9 to drive the rotating rod 10 to drive the sun gear 15 to rotate, the sun gear 15 is rotated to drive the planetary gear 16 to rotate so as to drive the fluted disc 17 to rotate, the fluted disc 17 is rotated to drive the angle indicator 12 to rotate, and the indication arrow in the angle indicator 12 is pointed in the normal direction, so that the angle of the normal is judged according to the angle line 14, and the normal direction of the transient electromagnetic instrument is measured quickly.
Compared with the related art, the device for rapidly measuring the tunnel transient electromagnetic instrument angle has the following beneficial effects: the method achieves the effect of measuring the normal direction of the wire frame 1 of the transient electromagnetic instrument, improves the measuring accuracy, and solves the problems that the transient electromagnetic instrument adopts an ungrounded loop to transmit a primary pulse magnetic field to a tunnel excavation face, and a coil is utilized to observe a secondary vortex field during the intermittent period of the primary pulse magnetic field, but the transient electromagnetic instrument is extremely sensitive to iron substances in the pulse transmitting process, and the angle measuring instrument is an iron substance and has a certain influence on the measurement of the angle of the transient electromagnetic instrument.
Example 2:
referring to fig. 1-3, when the device is installed, the upper clamping plate 3 is installed on one side of the wire frame 1, so that the normal line of the wire frame 1 is perpendicular to the 90-degree scale direction of the dial 11, a threaded rod 18 penetrates through the thread on the outer surface of the bottom of the installation seat 2, a second knob 20 is fixedly connected to the outer surface of the bottom of the threaded rod 18, the second knob 20 is rotated, the second knob 20 drives the threaded rod 18 to rotate, the lower clamping plate 19 is connected to the outer surface of the top of the threaded rod 18 in a rotating manner, and the threaded rod 18 drives the lower clamping plate 19 to move in the direction close to the upper clamping plate 3, so that the upper clamping plate 3 and the lower clamping plate 19 clamp the wire frame 1, and the device is fixed on the wire frame 1.
Working principle: when the device is installed, the upper clamping plate 3 is erected on one side of the wire frame 1, the normal line of the wire frame 1 is perpendicular to the 90-degree scale direction of the dial 11, the second knob 20 is rotated, the second knob 20 drives the threaded rod 18 to rotate, the threaded rod 18 drives the lower clamping plate 19 to move towards the direction close to the upper clamping plate 3, the wire frame 1 is clamped by the upper clamping plate 3 and the lower clamping plate 19, and the device is fixed on the wire frame 1.
Compared with the related art, the device for rapidly measuring the tunnel transient electromagnetic instrument angle has the following beneficial effects: the effect of facilitating the fixing of the device to the wire frame 1 is achieved.
The above-mentioned respective means concerning the use of the apparatus are different in selection and use according to actual practice, and various parameters are referred to, and the function according to the apparatus used corresponds to the effect achieved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a device of quick survey tunnel transient electromagnetic instrument angle, includes wire frame (1), mount pad (2), punch holder (3), calibrated scale (11) and angle indicator (12), its characterized in that: the inside of angle indicator (12) is provided with liquid and bubble (13), the inside of angle indicator (12) is provided with the instruction arrow, the surface fixedly connected with connecting rod (4) of mount pad (2), the top surface fixedly connected with fixed disk (5) of connecting rod (4), the bottom internal surface rotation of fixed disk (5) is connected with bull stick (10), the top surface fixedly connected with sun gear (15) of bull stick (10), the surface movable engagement of sun gear (15) has three planetary gear (16), the internal surface rotation of fixed disk (5) is connected with fluted disc (17), three planetary gear (16) and the surface movable engagement of fluted disc (17), the top surface fixedly connected with bracing piece of fluted disc (17), angle indicator (12) fixedly connected with is at the top surface of bracing piece, the surface at the bracing piece is established to calibrated scale (11) rotation cover.
2. The device for rapidly measuring the angle of a tunnel transient electromagnetic instrument according to claim 1, wherein: the bottom surface screw thread of mount pad (2) runs through threaded rod (18), the bottom surface fixedly connected with second knob (20) of threaded rod (18), the top surface rotation of threaded rod (18) is connected with lower plate (19).
3. The device for rapidly measuring the angle of a tunnel transient electromagnetic instrument according to claim 1, wherein: the right side surface of fixed disk (5) rotates and runs through there is first pivot (6), the surface fixed connection of first pivot (6) has first knob (7), the surface fixed cover of first pivot (6) is equipped with drive bevel gear (8), the surface fixed cover of bull stick (10) is equipped with driven bevel gear (9), the surface activity meshing of drive bevel gear (8) and driven bevel gear (9).
4. The device for rapidly measuring the angle of a tunnel transient electromagnetic instrument according to claim 1, wherein: the inner surface of the bottom of the fixed disc (5) is rotationally connected with three gear shafts, and the outer surfaces of the tops of the three gear shafts are fixedly connected with the central shafts of the three planetary gears (16) respectively.
5. The device for rapidly measuring the angle of a tunnel transient electromagnetic instrument according to claim 2, wherein: the upper clamping plate (3) and the lower clamping plate (19) are arc-shaped plates, and anti-slip pads are fixedly connected to the opposite outer surfaces of the upper clamping plate (3) and the lower clamping plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321570357.4U CN220729143U (en) | 2023-06-20 | 2023-06-20 | Device for rapidly measuring tunnel transient electromagnetic instrument angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321570357.4U CN220729143U (en) | 2023-06-20 | 2023-06-20 | Device for rapidly measuring tunnel transient electromagnetic instrument angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220729143U true CN220729143U (en) | 2024-04-05 |
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ID=90498741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321570357.4U Active CN220729143U (en) | 2023-06-20 | 2023-06-20 | Device for rapidly measuring tunnel transient electromagnetic instrument angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220729143U (en) |
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2023
- 2023-06-20 CN CN202321570357.4U patent/CN220729143U/en active Active
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