CN105203076A - Leveling gauge with retractable protective cover protection device - Google Patents
Leveling gauge with retractable protective cover protection device Download PDFInfo
- Publication number
- CN105203076A CN105203076A CN201510648099.0A CN201510648099A CN105203076A CN 105203076 A CN105203076 A CN 105203076A CN 201510648099 A CN201510648099 A CN 201510648099A CN 105203076 A CN105203076 A CN 105203076A
- Authority
- CN
- China
- Prior art keywords
- expansion
- spirit
- guard cover
- eyepiece
- leveling instrument
- 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
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 5
- 210000003462 vein Anatomy 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Telescopes (AREA)
Abstract
The invention relates to a leveling gauge with a retractable protective cover protection device. The leveling gauge comprises a telescope, a leveling device, a base, a bracket and a control device, wherein the telescope comprises an ocular lens and an objective lens; retractable protective covers are arranged on the inner sides of the end parts of the ocular lens and the objective lens; the retractable protective covers comprise an upper cover and a lower cover, which have the same structure; each of the upper cover and the lower cover comprises a plurality of retractable plates; the leveling device comprises a leveling pipe and a circular leveling device; the bracket comprises a table plate and supporting rods; the table plate is connected with a lower base through a connection spiral; a supporting leg is arranged at the lower end of each supporting rod; anti-slipping lines are arranged on the bottom surfaces of the supporting legs; and the control device comprises a driving circuit and a motor. According to the leveling gauge with the retractable protective cover protection device, provided by the invention, the retractable protective covers are additionally arranged, so that lenses of the ocular lens and the objective lens of the telescope are prevented from being contacted in a utilization process; and a phenomenon that the lenses are damaged is avoided, the damage rate and the cost are reduced, and the service life is prolonged.
Description
Technical field
The present invention relates to a kind of spirit-leveling instrument with expansion guard cover protective device, belong to engineering survey field.
Background technology
The instrument that horizontal line of sight measures the ground point-to-point transmission discrepancy in elevation set up by spirit-leveling instrument.Principle is measure the discrepancy in elevation between ground point according to measurement of the level principle.Spirit-leveling instrument is provided with telescope, wherein telescope comprises eyepiece and object lens, but object lens and eyepiece are easy to be touched, make eyeglass produce wearing and tearing, cause the damage of whole spirit-leveling instrument, cost is high, serviceable life is short, and when use spirit-leveling instrument is measured, must ensure the firm of spirit-leveling instrument, avoid causing toppling over of spirit-leveling instrument, produce and damage.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome the deficiencies in the prior art, provides a kind of spirit-leveling instrument with expansion guard cover protective device.
The technical solution adopted for the present invention to solve the technical problems is: a kind of spirit-leveling instrument with expansion guard cover protective device, comprise telescope, level, pedestal, support and control device, described level is arranged on pedestal, described telescope is arranged at the upper side of level, and described pedestal is arranged on support;
Described telescopical top is provided with operation interface, described telescope comprises eyepiece and object lens, described eyepiece and object lens are separately positioned on telescopical two ends, the tip inside of described eyepiece and object lens is provided with expansion guard cover, the upper cover that described expansion guard cover is divided into structure identical and lower cover, described upper cover and lower cover comprise multiple expansion plate respectively, and described level comprises level tube and circular bubble, and described circular bubble is arranged on the lower end of level tube;
Described pedestal comprises top base and bottom base, foot screw is provided with between described top base and bottom base, described circular bubble is arranged on the top of top base, described support comprises platen and pole, and described platen is connected with bottom base by connecting spiral, and the lower end of described pole is provided with leg, the bottom surface of described leg is provided with anti-slip veins, described control device comprises driving circuit and motor, and described motor connects in the driving circuit, and the output terminal of described motor is connected with expansion plate.
As preferably, described expansion plate comprises a center expansion plate and multiple edges expansion plate, fixed pulley is provided with in the expansion plate of described center, connected chamber is provided with in the middle of described edge expansion plate, described connected chamber inside is provided with spring, and be provided with object placing cavity in described eyepiece and object lens end housing, the arranged outside of described object placing cavity has spool, be connected by steel wire between described fixed pulley and spool, the output terminal of described motor is connected with spool.
As preferably, one end of the steel wire of described fixed pulley both sides is connected on spool, and one end is fixedly connected on object placing cavity inwall.
As preferably, described operation interface is provided with start key, stop key, positive turn key and reverse key.
As preferably, the top of described object lens is provided with foresight, and the top of described eyepiece is provided with sight, described eyepiece is provided with eyepiece focusing spiral, and the lower end of described object lens is provided with clamp screw, and institute's telescope side is provided with object lens adjustable screw.
As preferably, the side of described level tube is provided with level tube bubble view window.
As preferably, the lower end of described circular bubble is provided with round correction of cross-level spiral, and the two ends of described circular bubble side are respectively arranged with final motion screw and micro-spiral that inclines.
As preferably, described driving circuit comprises rotating forward driving circuit and reversing drive circuit, described motor is connected to and rotates forward in driving circuit and reversing drive circuit, described start key and stop key are connected to and rotate forward in driving circuit and reversing drive circuit, described positive turn key is connected to and rotates forward in driving circuit, and described reverse key is connected in reversing drive circuit.
As preferably, described pole is hinged on the side of platen, and described pole comprises telescopic shaft and screws knob, and described telescopic shaft is provided with scale.
As preferably, described telescope inside is provided with crosshair graticule and to optical lens, described crosshair graticule is arranged on inside eyepiece, is describedly arranged on inside crosshair graticule optical lens.
The invention has the beneficial effects as follows; this spirit-leveling instrument with expansion guard cover protective device is by adding expansion guard cover; prevent the eyeglass touching telescopical eyepiece and object lens in the process used; avoid the phenomenon producing eyeglass damage; reduce spoilage and cost, increase the service life, because the bottom surface of leg is provided with anti-slip veins; can prevent spirit-leveling instrument from the process used, producing the phenomenon of toppling over, reduce spoilage further.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation with the spirit-leveling instrument of expansion guard cover protective device of the present invention;
Fig. 2 is the structural representation with the spirit-leveling instrument of expansion guard cover protective device of the present invention;
Fig. 3 is the structural representation of the expansion guard cover with the spirit-leveling instrument of expansion guard cover protective device of the present invention when closing;
Fig. 4 is the structural representation of the expansion guard cover with the spirit-leveling instrument of expansion guard cover protective device of the present invention when opening;
Fig. 5 is the expansion guard cover control principle drawing with the spirit-leveling instrument of expansion guard cover protective device of the present invention;
In figure: 1. operation interface, 2. eyepiece, 3. object lens, 4. level tube, 5. circular bubble, 6. top base, 7. bottom base, 8. foot screw, 9. platen, 10. pole, 11. connect spiral, 12. legs, 13. motors, 14. center expansion plates, 15. edge expansion plates, 16. fixed pulleys, 17. object placing cavities, 18. spools, 19. steel wires, 20. foresights, 21. sights, 22. springs, 23. clamp screws, 24. object lens adjustable screws, 25. level tube bubble view windows, 26. circle correction of cross-level spirals, 27. final motion screws, 28. micro-spirals that incline, 29. telescopic shafts, 30. screw knob.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As Figure 1-5, have a spirit-leveling instrument for expansion guard cover protective device, comprise telescope, level, pedestal, support and control device, described level is arranged on pedestal, described telescope is arranged at the upper side of level, and described pedestal is arranged on support;
Described telescopical top is provided with operation interface 1, described telescope comprises eyepiece 2 and object lens 3, described eyepiece 2 and object lens 3 are separately positioned on telescopical two ends, the tip inside of described eyepiece 2 and object lens 3 is provided with expansion guard cover, the upper cover that described expansion guard cover is divided into structure identical and lower cover, described upper cover and lower cover comprise multiple expansion plate respectively, and described level comprises level tube 4 and circular bubble 5, and described circular bubble 5 is arranged on the lower end of level tube 4;
Described pedestal comprises top base 6 and bottom base 7, foot screw 8 is provided with between described top base 6 and bottom base 7, described circular bubble 5 is arranged on the top of top base 6, described support comprises platen 9 and pole 10, described platen 9 is connected with bottom base 7 by connecting spiral 11, the lower end of described pole 10 is provided with leg 12, the bottom surface of described leg 12 is provided with anti-slip veins, described control device comprises driving circuit and motor 13, described motor 13 connects in the driving circuit, and the output terminal of described motor 13 is connected with expansion plate.
Wherein foot screw 8 is used for adjusting circular bubble 5, connects spiral 11 for fixing whole spirit-leveling instrument.
As preferably, described expansion plate comprises a center expansion plate 14 and multiple edges expansion plate 15, fixed pulley 16 is provided with in described center expansion plate 14, connected chamber is provided with in the middle of described edge expansion plate 15, described connected chamber inside is provided with spring 22, object placing cavity 17 is provided with in described eyepiece 2 and object lens 3 end housing, the arranged outside of described object placing cavity 17 has spool 18, be connected by steel wire 19 between described fixed pulley 16 and spool 18, the output terminal of described motor 13 is connected with spool 18, utilize spool 18 folding and unfolding steel wire 19, add that the elastic force of spring 16 controls the opening and closing of expansion plate.
As preferably, one end of the steel wire 19 of described fixed pulley 16 both sides is connected on spool 18, and one end is fixedly connected on object placing cavity 17 inwall, is driven the movement of center expansion plate 14 by steel wire 19.
As preferably, described operation interface 1 is provided with start key, stop key, positive turn key and reverse key, for controlling the rotating forward of motor 13, reversion and stopping.
As preferably, the top of described object lens 3 is provided with foresight 20, the top of described eyepiece 2 is provided with sight 21, described eyepiece 2 is provided with eyepiece focusing spiral, the lower end of described object lens 3 is provided with clamp screw 23, institute's telescope side is provided with object lens adjustable screw 24, aims at and focusing for auxiliary telescope.
As preferably, the side of described level tube is provided with level tube bubble view window 25, for observing the position of bubble.
As preferably, the lower end of described circular bubble 5 is provided with round correction of cross-level spiral 26, and the two ends of described circular bubble 5 side are respectively arranged with final motion screw 27 and micro-spiral 28 that inclines, for adjusting the location status of circular bubble 5.
As preferably, described driving circuit comprises rotating forward driving circuit and reversing drive circuit, described motor 13 is connected to and rotates forward in driving circuit and reversing drive circuit, described start key and stop key are connected to and rotate forward in driving circuit and reversing drive circuit, described positive turn key is connected to and rotates forward in driving circuit, described reverse key is connected in reversing drive circuit, is controlled the running status of motor 13 by start key, stop key, positive turn key and reverse key.
As preferably, described pole 10 is hinged on the side of platen 9, and described pole 10 comprises telescopic shaft 29 and screws knob 30, and described telescopic shaft 29 is provided with scale, for regulating the length of pole 10, thus regulates the height of spirit-leveling instrument.
As preferably, described telescope inside is provided with crosshair graticule and to optical lens, described crosshair graticule is arranged on inside eyepiece 2, is describedly arranged on inside crosshair graticule, in order to run-home and reading to optical lens.
Eyepiece is identical with the expansion guard cover structure on object lens.
First will prop up and be placed between two observation stations, make platen 9 level, and guarantee the fastness of support, utilize connect spiral 11 by apparatus installation on support, foot screw 8 pairs of instruments are utilized slightly to put down, then start key and positive turn key is pressed, now connect and rotate forward driving circuit, circuit drive motor 13 rotates forward, spool 18 rolling steel wire 19, steel wire 19 pulls fixed pulley 16, Compress Spring 22, expansion plate is made to stretch in object placing cavity 17, just the expansion guard cover on object lens and eyepiece can be opened, then stop key is pressed, motor 13 stops operating, with the accurate run-home of telescope, telescope to distally light ground, rotate eyepiece focusing spiral, make crosshair the most clear.Take-off the brake spiral 23 again, rotates telescope, makes the connection of sight 21 and foresight 20 aim at levelling pole, tightens clamp screw 23.Finally rotate object lens adjustable screw 24, make clearly dropping in crosshair plane of levelling pole, then rotary micromotion spiral 27, make the picture of levelling pole be against the side of vertical hair, then utilizing telescope to carry out essence and put down, is finally utilize crosshair, cut the reading read on levelling pole, after being used to complete, press start key and reverse key, start reversing drive circuit, motor 13 reverses, and steel wire 19 decontroled by spool 18, under the effect of spring 22 elastic force, extensible protection board closes, and then presses stop key.
Compared with prior art; this spirit-leveling instrument with expansion guard cover protective device is by adding expansion guard cover; prevent the eyeglass touching telescopical eyepiece and object lens in the process used; avoid the phenomenon producing eyeglass damage; reduce spoilage and cost, increase the service life, because the bottom surface of leg is provided with anti-slip veins; can prevent spirit-leveling instrument from the process used, producing the phenomenon of toppling over, reduce spoilage further.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on instructions, must determine its technical scope according to right.
Claims (10)
1. one kind has the spirit-leveling instrument of expansion guard cover protective device, it is characterized in that, comprise telescope, level, pedestal, support and control device, described level is arranged on pedestal, described telescope is arranged at the upper side of level, and described pedestal is arranged on support;
Described telescopical top is provided with operation interface, described telescope comprises eyepiece and object lens, described eyepiece and object lens are separately positioned on telescopical two ends, the tip inside of described eyepiece and object lens is provided with expansion guard cover, the upper cover that described expansion guard cover is divided into structure identical and lower cover, described upper cover and lower cover comprise multiple expansion plate respectively, and described level comprises level tube and circular bubble, and described circular bubble is arranged on the lower end of level tube;
Described pedestal comprises top base and bottom base, foot screw is provided with between described top base and bottom base, described circular bubble is arranged on the top of top base, described support comprises platen and pole, and described platen is connected with bottom base by connecting spiral, and the lower end of described pole is provided with leg, the bottom surface of described leg is provided with anti-slip veins, described control device comprises driving circuit and motor, and described motor connects in the driving circuit, and the output terminal of described motor is connected with expansion plate.
2. there is the spirit-leveling instrument of expansion guard cover protective device as claimed in claim 1; it is characterized in that; described expansion plate comprises a center expansion plate and multiple edges expansion plate; fixed pulley is provided with in the expansion plate of described center; connected chamber is provided with in the middle of described edge expansion plate; described connected chamber inside is provided with spring; object placing cavity is provided with in described eyepiece and object lens end housing; the arranged outside of described object placing cavity has spool; be connected by steel wire between described fixed pulley and spool, the output terminal of described motor is connected with spool.
3. have the spirit-leveling instrument of expansion guard cover protective device as claimed in claim 2, it is characterized in that, one end of the steel wire of described fixed pulley both sides is connected on spool, and one end is fixedly connected on object placing cavity inwall.
4. there is the spirit-leveling instrument of expansion guard cover protective device as claimed in claim 1, it is characterized in that, described operation interface is provided with start key, stop key, positive turn key and reverse key.
5. there is the spirit-leveling instrument of expansion guard cover protective device as claimed in claim 1; it is characterized in that; the top of described object lens is provided with foresight; the top of described eyepiece is provided with sight; described eyepiece is provided with eyepiece focusing spiral; the lower end of described object lens is provided with clamp screw, and institute's telescope side is provided with object lens adjustable screw.
6. have the spirit-leveling instrument of expansion guard cover protective device as claimed in claim 1, it is characterized in that, the side of described level tube is provided with level tube bubble view window.
7. have the spirit-leveling instrument of expansion guard cover protective device as claimed in claim 1, it is characterized in that, the lower end of described circular bubble is provided with round correction of cross-level spiral, and the two ends of described circular bubble side are respectively arranged with final motion screw and micro-spiral that inclines.
8. there is the spirit-leveling instrument of expansion guard cover protective device as claimed in claim 1; it is characterized in that; described driving circuit comprises rotating forward driving circuit and reversing drive circuit; described motor is connected to and rotates forward in driving circuit and reversing drive circuit; described start key and stop key are connected to and rotate forward in driving circuit and reversing drive circuit; described positive turn key is connected to and rotates forward in driving circuit, and described reverse key is connected in reversing drive circuit.
9. have the spirit-leveling instrument of expansion guard cover protective device as claimed in claim 1, it is characterized in that, described pole is hinged on the side of platen, and described pole comprises telescopic shaft and screws knob, and described telescopic shaft is provided with scale.
10. there is the spirit-leveling instrument of expansion guard cover protective device as claimed in claim 1; it is characterized in that; described telescope inside is provided with crosshair graticule and to optical lens, described crosshair graticule is arranged on inside eyepiece, is describedly arranged on inside crosshair graticule optical lens.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510648099.0A CN105203076A (en) | 2015-10-09 | 2015-10-09 | Leveling gauge with retractable protective cover protection device |
| PCT/CN2016/077161 WO2017059661A1 (en) | 2015-10-09 | 2016-03-23 | Level instrument with telescopic cover protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510648099.0A CN105203076A (en) | 2015-10-09 | 2015-10-09 | Leveling gauge with retractable protective cover protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105203076A true CN105203076A (en) | 2015-12-30 |
Family
ID=54950887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510648099.0A Pending CN105203076A (en) | 2015-10-09 | 2015-10-09 | Leveling gauge with retractable protective cover protection device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105203076A (en) |
| WO (1) | WO2017059661A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973195A (en) * | 2016-06-20 | 2016-09-28 | 苏州华徕光电仪器有限公司 | Level gage |
| WO2017059661A1 (en) * | 2015-10-09 | 2017-04-13 | 张萍 | Level instrument with telescopic cover protection device |
| CN107339975A (en) * | 2017-07-21 | 2017-11-10 | 天津博创金成技术开发有限公司 | A kind of strong robust spirit level for building |
| CN107643124A (en) * | 2017-09-11 | 2018-01-30 | 广东工业大学 | A kind of spectrometer support suitable for MIG welding processes |
| CN118462982A (en) * | 2024-07-09 | 2024-08-09 | 阳谷北斗测绘有限公司 | A portable geographic surveying and mapping device with protective function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607085A (en) * | 2017-10-24 | 2018-01-19 | 佛山市公路桥梁工程监测站 | It is a kind of that there is the flexible levelling rod for finely tuning the function that moves in turn of illumination |
| CN112902927B (en) * | 2021-01-22 | 2022-08-12 | 江西应用技术职业学院 | A surveying and mapping instrument positioning device and positioning method thereof for surveying and mapping engineering |
| CN115585769A (en) * | 2022-10-20 | 2023-01-10 | 南通利元市政工程有限公司 | Long-span continuous rigid frame bridge horizontal displacement measuring meter |
| CN115962762B (en) * | 2023-03-16 | 2023-05-23 | 山东同昊建筑规划设计有限公司 | Positioning measurement device for urban design |
| CN118274787B (en) * | 2024-06-03 | 2024-10-18 | 山东九博智能装备有限公司 | Level gauge for planning and mapping of homeland space and use method thereof |
| CN119163863A (en) * | 2024-09-05 | 2024-12-20 | 中国一冶集团有限公司 | Municipal road omnidirectional measuring device |
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| US4825235A (en) * | 1986-05-09 | 1989-04-25 | Nikon Corporation | Camera having soft focus filter |
| JP5313595B2 (en) * | 2008-09-12 | 2013-10-09 | 株式会社 ソキア・トプコン | Electronic level |
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| CN204666132U (en) * | 2015-05-29 | 2015-09-23 | 马延红 | Railroad engineering survey spirit-leveling instrument |
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| CN2273011Y (en) * | 1996-11-13 | 1998-01-21 | 逄海水 | Double compensation level conforming device |
| JP4944319B2 (en) * | 2001-09-07 | 2012-05-30 | キヤノン株式会社 | camera |
| US7972069B2 (en) * | 2008-09-11 | 2011-07-05 | Panasonic Corporation | Camera system and camera body |
| CN104677332B (en) * | 2015-01-22 | 2017-01-04 | 宁波舜宇测绘科技有限公司 | A kind of optical level of convenient regulation |
| CN105203076A (en) * | 2015-10-09 | 2015-12-30 | 张萍 | Leveling gauge with retractable protective cover protection device |
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2015
- 2015-10-09 CN CN201510648099.0A patent/CN105203076A/en active Pending
-
2016
- 2016-03-23 WO PCT/CN2016/077161 patent/WO2017059661A1/en not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4825235A (en) * | 1986-05-09 | 1989-04-25 | Nikon Corporation | Camera having soft focus filter |
| JP5313595B2 (en) * | 2008-09-12 | 2013-10-09 | 株式会社 ソキア・トプコン | Electronic level |
| CN203405201U (en) * | 2013-07-18 | 2014-01-22 | 中国三冶集团有限公司管道工程公司 | Infrared aiming water level |
| CN204666132U (en) * | 2015-05-29 | 2015-09-23 | 马延红 | Railroad engineering survey spirit-leveling instrument |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017059661A1 (en) * | 2015-10-09 | 2017-04-13 | 张萍 | Level instrument with telescopic cover protection device |
| CN105973195A (en) * | 2016-06-20 | 2016-09-28 | 苏州华徕光电仪器有限公司 | Level gage |
| CN107339975A (en) * | 2017-07-21 | 2017-11-10 | 天津博创金成技术开发有限公司 | A kind of strong robust spirit level for building |
| CN107643124A (en) * | 2017-09-11 | 2018-01-30 | 广东工业大学 | A kind of spectrometer support suitable for MIG welding processes |
| CN107643124B (en) * | 2017-09-11 | 2023-06-16 | 广东工业大学 | Spectrometer support suitable for MIG welding process |
| CN118462982A (en) * | 2024-07-09 | 2024-08-09 | 阳谷北斗测绘有限公司 | A portable geographic surveying and mapping device with protective function |
| CN118462982B (en) * | 2024-07-09 | 2024-11-05 | 阳谷北斗测绘有限公司 | Portable geographic mapping device with safeguard function |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017059661A1 (en) | 2017-04-13 |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151230 |