CN104964675A - Under-point laser centering device for measuring underground construction - Google Patents
Under-point laser centering device for measuring underground construction Download PDFInfo
- Publication number
- CN104964675A CN104964675A CN201510392844.XA CN201510392844A CN104964675A CN 104964675 A CN104964675 A CN 104964675A CN 201510392844 A CN201510392844 A CN 201510392844A CN 104964675 A CN104964675 A CN 104964675A
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- China
- Prior art keywords
- laser
- lower wall
- underground engineering
- engineering survey
- survey point
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
- G01C15/008—Active optical surveying means combined with inclination sensor
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses an under-point laser centering device for measuring underground construction. The device comprises a lower disc, wherein a hole is formed in the lower disc; the lower disc is connected to an upper disc capable of moving up and down through an adjusting system; a coarse leveling measuring system and a rotary disc are arranged on the upper disc; a fine leveling measuring system and a laser emission system are arranged on the rotary disc. The device is simple in structure, high in accuracy, simple and convenient to operate and convenient to assemble and disassemble, and can be reused; the cost is effectively reduced.
Description
Technical field
The present invention relates to a kind of laser centring device of the back measuring point when underground works (tunnel, tunnel, tunnel) is measured, this device facilitates the centring under point leveling work of total powerstation or transit, belongs to underground engineering survey field.
Background technology
Measurement point device is indispensable measurement annex in engineering survey.In existing underground engineering survey, mostly the measuring point of tunnel (tunnel, tunnel) top board is that fastening line or metal cylinder center threading with iron nail hangs the modes such as plumb bob and arrange.During measurement, need on measuring point, hang messenger wire plumb bob, as measuring point staff can not and height, need by aids such as ladders, then just can carry out measuring centering work under point, operate inconvenience, and plumb bob is easily difficult to stablize by airflow influence swing, cause centering operational difficulties, efficiency is low, thus affects integral construction.
Summary of the invention
The object of the invention is the deficiency making up the work of underground engineering survey centring under point, provide that a kind of structure is simple, cheap, precision is high and laser centring device under easy-operating point, this device can be reused when measuring.During use, first by the catch pin on lower wall laser centring device is fixed on the measuring point set; Then adjust three foot screws and flatten this device, finally make laser vertical launch, measuring point is vertically projected on instrument; Finally instrument is carried out centering leveling.
The technical solution adopted for the present invention to solve the technical problems is:
The lower laser centring device of a kind of underground engineering survey point, this device comprises lower wall, described lower wall has hole, described lower wall connects the upper dish that can move up and down by regulating system, coil on described and be provided with thick flat measuring system and rotating disk, described rotating disk is provided with smart flat measuring system and excitation-emission system.
The foot screw that described regulating system comprises several bolts and matches with bolt, described lower wall is bolted dish, and described foot screw is arranged on bolt.
Described thick flat measuring system is a round bubble.
The flat measuring system of described essence is the tubulose leveling bubble of two mutual vertical distribution.
Described excitation-emission system comprises a laser emitting source and power supply thereof, and described laser emitting source is arranged in the Laser emission cylinder that communicates with described hole.
Described lower wall side is provided with the catch pin extended in hole.
The invention has the beneficial effects as follows:
1, this apparatus structure is simple, precision is high, simple to operation;
2, this device can be reused, easy to loading and unloading, effectively cost-saving;
3, this device can use at engineering site, also can use in all kinds of experimental real-training with examination, applied widely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
1-circle bubble, 2-catch pin, 3-bolt, 4-foot screw, 5-hole, 6-rotating disk, 7-tubulose leveling bubble, 8-Laser emission cylinder, 9-upper dish, 10-lower wall, 11-power supply.
Embodiment
Below in conjunction with accompanying drawing, by specific embodiment, technical solution of the present invention is described further.
As shown in Figure 1, the lower laser centring device of a kind of underground engineering survey point, this device comprises lower wall 10, lower wall 10 middle has hole 5, during centring under point operation, measuring point steel bar end or measurement nail are embedded into this hole 5, its large I is customized to different-diameter according to construction requirement, lower wall 10 side is provided with the catch pin 2 extended in hole 5, when tracerse point embeds after in the hole of bottom, this laser centring device can be fixed on tracerse point by adjustable brake pin, lower wall 10 connects upper dish 9 by three bolts 3, bolt 3 is provided with foot screw 4, upper dish 9 is provided with a round bubble 1, upper dish 9 middle is provided with a rotating disk 6, rotating disk 6 is provided with the tubulose leveling bubble 7 of two mutual vertical distribution, rotating disk 6 middle is provided with the Laser emission cylinder 8 communicated with hole 5, laser emitting source is provided with in Laser emission cylinder 8, laser emitting source connects Laser emission power supply 11.
When this device carries out operational applications, be divided into following step:
First on mine laneway tunnel, tunnel top board, measuring point is laid, bury underground and survey nail or steel bar end, this laser centring device is inverted, make survey nail or steel bar end aim at the hole 5 on lower wall 10 and embed in hole 5, tighten catch pin 2, this laser centring device is fixed on measuring point.
Secondly by regulating foot screw 4 to flatten this device, after first slightly putting down during leveling, essence is flat.Thick putting down is operating as: by regulating three foot screws 4, makes the round bubble 1 on dish 9 placed in the middle, then device is thick flat; Essence is flat to be operating as: fine setting foot screw 4 further, makes orthogonal two tubulose leveling bubbles 7 simultaneously placed in the middle, and rotary turnplate 6, and all placed in the middle and state of circle bubble 1 and tubulose leveling bubble 7 does not change, then device is for flatten.
Then open Laser Power Devices 11, Emission Lasers, the laser now launched is then for vertically launching.
Finally below this device, set up total powerstation or transit, the laser launched with it carries out the centering leveling work of total powerstation or transit.
Claims (6)
1. the lower laser centring device of underground engineering survey point, it is characterized in that: this device comprises lower wall (10), described lower wall (10) has hole (5), described lower wall (10) connects the upper dish (9) that can move up and down by regulating system, described upper dish (9) is provided with thick flat measuring system and rotating disk (6), described rotating disk (6) is provided with smart flat measuring system and excitation-emission system.
2. a kind of underground engineering survey point descends laser centring device according to claim 1, it is characterized in that: the foot screw (4) that described regulating system comprises several bolts (3) and matches with bolt (3), described lower wall (10) is by (9) are coiled in bolt (3) connection, and described foot screw (4) is arranged on bolt (3).
3. a kind of underground engineering survey point descends laser centring device according to claim 1, it is characterized in that: described thick flat measuring system is a round bubble (1).
4. a kind of underground engineering survey point descends laser centring device according to claim 1, it is characterized in that: the flat measuring system of described essence is the tubulose leveling bubble (7) of two mutual vertical distribution.
5. a kind of underground engineering survey point descends laser centring device according to claim 1, it is characterized in that: described excitation-emission system comprises a laser emitting source and power supply (11) thereof, described laser emitting source is arranged in the Laser emission cylinder (8) that communicates with described hole (5).
6. the lower laser centring device of a kind of underground engineering survey point according to any one of claim 1 to 5 claim, is characterized in that: described lower wall (10) side is provided with the catch pin (2) extended in hole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510392844.XA CN104964675A (en) | 2015-07-07 | 2015-07-07 | Under-point laser centering device for measuring underground construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510392844.XA CN104964675A (en) | 2015-07-07 | 2015-07-07 | Under-point laser centering device for measuring underground construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104964675A true CN104964675A (en) | 2015-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510392844.XA Pending CN104964675A (en) | 2015-07-07 | 2015-07-07 | Under-point laser centering device for measuring underground construction |
Country Status (1)
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| CN (1) | CN104964675A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339981A (en) * | 2017-06-20 | 2017-11-10 | 北京工业大学 | A kind of electronic tripod of engineering survey and quick centring flatening method |
| CN108007373A (en) * | 2017-12-08 | 2018-05-08 | 中国矿业大学(北京) | A kind of three-dimensional laser measures hoistable platform |
| CN108362016A (en) * | 2018-01-26 | 2018-08-03 | 明光市金洋太阳能有限公司 | A kind of solar water heater |
| CN110823202A (en) * | 2019-11-28 | 2020-02-21 | 福州大学 | Measuring device for measuring floor axis without reserved hole and using method thereof |
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| CN2472193Y (en) * | 2001-01-18 | 2002-01-16 | 杨红林 | Engineering measuring instrument with laser alignment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339981A (en) * | 2017-06-20 | 2017-11-10 | 北京工业大学 | A kind of electronic tripod of engineering survey and quick centring flatening method |
| CN107339981B (en) * | 2017-06-20 | 2024-01-12 | 北京工业大学 | Engineering measurement electric tripod and rapid centering and leveling method |
| CN108007373A (en) * | 2017-12-08 | 2018-05-08 | 中国矿业大学(北京) | A kind of three-dimensional laser measures hoistable platform |
| CN108007373B (en) * | 2017-12-08 | 2019-08-27 | 中国矿业大学(北京) | A kind of three-dimensional laser measurement hoistable platform |
| CN108362016A (en) * | 2018-01-26 | 2018-08-03 | 明光市金洋太阳能有限公司 | A kind of solar water heater |
| CN110823202A (en) * | 2019-11-28 | 2020-02-21 | 福州大学 | Measuring device for measuring floor axis without reserved hole and using method thereof |
| CN110823202B (en) * | 2019-11-28 | 2020-11-10 | 福州大学 | Measuring device for measuring floor axis without reserved hole and using method thereof |
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Application publication date: 20151007 |