CN115355873A - Indium steel ruler lighting device with sliding device - Google Patents
Indium steel ruler lighting device with sliding device Download PDFInfo
- Publication number
- CN115355873A CN115355873A CN202210984767.7A CN202210984767A CN115355873A CN 115355873 A CN115355873 A CN 115355873A CN 202210984767 A CN202210984767 A CN 202210984767A CN 115355873 A CN115355873 A CN 115355873A
- Authority
- CN
- China
- Prior art keywords
- ruler body
- ruler
- indium steel
- sliding device
- lighting device
- 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
Images
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Engineering & Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention relates to the technical field of settlement measurement and discloses an indium steel ruler lighting device with a sliding device, which comprises a ruler body and angle steel for protecting the ruler body, wherein the outside of the ruler body is provided with the lighting device, one side of the lighting device is provided with the sliding device, and the inside of the ruler body is provided with an auxiliary device; the lighting device includes: the marking groove is carved on the outer surface of the ruler body, and fluorescent filling materials capable of emitting light under illumination are arranged in the marking groove; the guide rail is arranged in the ruler body, and a lamp strip capable of illuminating is arranged on the inner side of the ruler body; and the power module is clamped at the middle position of the ruler body. The indium steel ruler lighting device with the sliding device can be used for settlement measurement, and compared with a common indium steel ruler, the indium steel ruler provided by the invention has the advantages of simplicity and convenience in use, energy conservation, high efficiency, capability of improving night measurement accuracy and efficiency of an electronic level and the like.
Description
Technical Field
The invention relates to the technical field of settlement measurement, in particular to an indium steel ruler lighting device with a sliding device.
Background
During settlement measurement, partial engineering projects (such as bridge engineering, tunnel engineering and the like) need to perform settlement measurement at night or in an environment with insufficient light. At present, most of settlement measurement is carried out by adopting an electronic level, and the electronic level has the defects that when the electronic level is adopted for night operation, two additional assisting personnel are needed, and the two assisting personnel are respectively responsible for erecting the indium steel ruler and lighting, so that the workload and the labor cost are increased, and the electronic level is sensitive to the illumination intensity of the indium steel ruler. Therefore, the lighting staff in charge is required to have certain working experience, the lighting staff need to accurately hold the angle and the position of illumination, otherwise, the reading time and the reading difficulty of the electronic level gauge can be increased, the measurement efficiency is obviously reduced, particularly, when the upper or lower end data of the indium steel ruler with the length of more than 2 meters is read, the measurement difficulty is obviously increased, the LED lamp strip arranged along the length direction of the indium steel ruler is mostly adopted in the existing indium steel ruler lighting system, the lamp strip needs to be fixed on the indium steel ruler, the length of the lamp strip is generally required to be the same as that of the indium steel ruler, and the traditional method is very easy to consume electric quantity. Meanwhile, the power supply of the lamp strip generally needs an external power supply, such as a mobile power supply, however, due to the separated structure, the integrity is not high, the operation is very complicated, and the disconnection of the lamp strip connector and the power supply is very easy to cause. In addition, generally traditional LED lamp area comprises a series of LED pointolite and causes the inhomogeneous phenomenon of reading strip regional light and shade easily, seriously reduces electronic level's reading precision and efficiency.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an indium steel ruler lighting device with a sliding device, which has the advantages of simple and convenient use, energy conservation and high efficiency, and capability of improving the night measurement precision and efficiency of an electronic level.
(II) technical scheme
The invention provides the following technical scheme: an indium steel ruler lighting device with a sliding device comprises a ruler body and angle steel used for protecting the ruler body, wherein the outside of the ruler body is provided with the lighting device, one side of the lighting device is provided with the sliding device, and the inside of the ruler body is provided with an auxiliary device;
the illumination device includes:
the marking groove is carved on the outer surface of the ruler body, and a fluorescent filling material capable of emitting light under illumination is arranged in the marking groove; and
the guide rail is arranged in the ruler body, and a lamp strip capable of illuminating is arranged on the inner side of the ruler body;
the power supply module is clamped in the middle of the ruler body and used for supplying power to the lamp strip;
the magnet is embedded in the ruler body;
the inside of the ruler body is also provided with a positioning groove.
The indium steel ruler lighting device with the sliding device can be used for settlement measurement, and compared with a common indium steel ruler, the indium steel ruler with the sliding device has the advantages that the use is simple and convenient, the energy is saved, the efficiency is high, the night measurement accuracy and efficiency of the electronic level can be improved, the indium steel ruler with the lighting device is simple in structure and detachable, the angle and the direction of a light source can be adjusted, the light source is provided for reading during measurement, an operator can look after the indium steel ruler during walking, and the like, and the indium steel ruler lighting device is used for solving the problems existing in the prior art when the indium steel ruler is used for night measurement.
In a possible implementation mode, the angle steel is inserted in the positioning groove and is in contact with the ruler body, and the angle steel is respectively arranged at the upper part, the middle part and the lower part of the ruler body.
In a possible embodiment, the power module is electrically connected to the light strip, the power module has a switch capable of controlling the on/off of the light strip, and the light strip can move inside the guide rail.
In a possible implementation mode, the mark groove is located in the middle of the front face of the ruler body, the guide rails are located on two sides of the mark groove, and the face formed by the mark groove is an arc face.
In a possible embodiment, the sliding device comprises:
a protective cover clamped with the outer side of the ruler body
The reflecting plate is arranged on the outer side of the ruler body and can reflect light emitted by the lamp strip;
adjusting knobs are arranged at two ends of the reflecting plate and fixed at two ends of the reflecting plate, and gears are arranged between the adjusting knobs and are in meshing transmission through the gears;
the moving frame is slidably arranged in the sliding groove, and a push plate is arranged on one side of the moving frame extending to the inside of the ruler body;
one end of the push plate extending out of the ruler body is connected with an adjusting plate, and the adjusting plate is fixed on the outer surface of the push plate.
In a possible implementation mode, the adjusting plate is in contact with the ruler body and penetrates through an angle steel, the adjusting plate can push a push plate to move relative to the ruler body, and the push plate is in contact with the inner wall of the ruler body.
In a possible embodiment, the lamp strip is in contact with the movable frame, the adjusting knob is mounted on the inner side of the protective cover, the adjusting knob is mounted in a concave manner, and gears on the outer side of the adjusting knob are meshed with each other.
In a possible embodiment, the auxiliary device comprises:
the clamping groove is formed in the outer surface of the movable frame;
the magnetic strip is fixed on one side of the lamp strip;
the cavity is arranged in the ruler body; and
and a filling medium filled inside the chamber.
In a possible implementation manner, the magnetic stripe is located inside the clamping groove and attracts the moving frame, a connecting rod is arranged on one side of the push plate, and the push plate is inserted into the cavity and is located on one side of the connecting rod.
Compared with the prior art, the invention provides an indium steel ruler lighting device with a sliding device, which has the following beneficial effects:
1. according to the invention, the lighting device capable of lighting and limiting the number of positions measured by the indium steel ruler in the using process of the indium steel ruler is arranged, so that the brightness around the number can be improved when a measurer is inconvenient to read the position number, the trouble of frequent lighting in the using process at night can be reduced, and the measuring efficiency of the measurer can be further accelerated.
2. The sliding device capable of adjusting the illumination range and angle of the light in the use process is arranged, so that the illumination position range can be properly adjusted in the use process, and an operator can stably read numbers according to different observed positions in the use process.
3. According to the auxiliary device for assisting the installation of the lamp strip and the movement of the lamp strip in the using process, the stability of the lamp strip in the using process can be ensured, so that the stable illumination can be ensured, and in the using process of the lamp strip, the light can be used for providing a certain degree of illumination for measuring personnel, so that the auxiliary device is convenient for the measuring personnel to use.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
Fig. 1 is a schematic overall structure diagram of an indium steel ruler illumination device with a sliding device provided by the invention;
FIG. 2 is a schematic diagram of a protective cover of an indium steel ruler lighting device with a sliding device and an internal structure of the protective cover;
FIG. 3 is a sectional view of an indium steel ruler illumination device with a sliding device according to the present invention;
FIG. 4 is a sectional view of the gear position of the in-steel ruler illumination device with a sliding device according to the present invention;
fig. 5 is a schematic diagram of the internal structure of the ruler body of the indium steel ruler lighting device with the sliding device provided by the invention.
Wherein: the device comprises a 1-ruler body, 2 angle steels, 21 magnets, 22 guide rails, 23 light strips, 24 power modules, 25 identification grooves, 26 fluorescent filling materials, 27 positioning grooves, 31 reflecting plates, 32 adjusting knobs, 33 protective covers, 34 gears, 35 adjusting plates, 36 moving frames, 37 push plates, 41 clamping grooves, 42 magnetic strips, 43 chambers and 44 filling media.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.
As shown in fig. 1-5, the invention provides an indium steel ruler lighting device with a sliding device, which comprises a ruler body 1 and angle steel 2 for protecting the ruler body 1, wherein the outside of the ruler body 1 is provided with the lighting device, one side of the lighting device is provided with the sliding device, and the inside of the ruler body 1 is provided with an auxiliary device;
the lighting device includes:
a marking groove 25 engraved on the outer surface of the ruler body 1, wherein a fluorescent filling material 26 capable of emitting light under illumination is arranged inside the marking groove 25; and
the guide rail 22 is arranged in the ruler body 1, and a lamp strip 23 capable of illuminating is arranged on the inner side of the ruler body 1;
the power module 24 is clamped in the middle of the ruler body 1 and used for supplying power to the lamp strip 23;
a magnet 21 embedded in the ruler body 1;
the inside of the ruler body 1 is also provided with a positioning groove 27.
The indium steel ruler lighting device with the sliding device can be used for settlement measurement, and compared with a common indium steel ruler, the indium steel ruler provided by the invention has the advantages that the use is simple and convenient, the energy is saved, the efficiency is high, the night measurement precision and efficiency of an electronic level can be improved, the indium steel ruler with the lighting device is provided, the structure is simple, the indium steel ruler can be detached, the angle and the direction of a light source can be adjusted, the light source is provided for reading during measurement, an operator can look after the indium steel ruler during walking, and the like, and the indium steel ruler lighting device is used for solving the problems existing in the prior art when the indium steel ruler is used for night measurement.
In a possible embodiment, the angle steel 2 is inserted in the positioning groove 27, the angle steel 2 is in contact with the ruler body 1, and the angle steel 2 is respectively arranged at the upper, middle and lower positions of the ruler body 1.
In the invention, the positioning groove 27 can limit the angle steel 2, and the split type arrangement of the angle steel 2 from top to bottom can reduce the materials required by the protective indium steel ruler.
In a possible embodiment, the power module 24 is electrically connected to the light strip 23, the power module 24 has a switch capable of controlling the power on and off, and the light strip 23 is capable of moving inside the rail 22.
In the present invention, the power module 24 can supply power to the light strip 23.
In a possible embodiment, the marking groove 25 is positioned in the middle of the front surface of the ruler body 1, the guide rails 22 are positioned on two sides of the marking groove 25, and the surface of the marking groove 25 is a cambered surface.
In the invention, the mark groove 25 formed on the cambered surface can obtain better bright irradiation effect compared with the straight surface, thereby ensuring the stability in reading.
In one possible embodiment, the sliding device comprises:
a protective cover 33 clamped with the outer side of the ruler body 1
The reflecting plate 31 is arranged on the outer side of the ruler body 1, and the reflecting plate 31 can reflect light emitted by the lamp strip 23;
adjusting knobs 32 are arranged at two ends of the reflecting plate 31, the adjusting knobs 32 are fixed at two ends of the reflecting plate 31, and gears 34 are arranged between the adjusting knobs 32 and are in meshing transmission through the gears 34;
a moving frame 36 which is arranged in the sliding chute in a sliding way, wherein one side of the moving frame 36 extending to the inside of the ruler body 1 is provided with a push plate 37;
one end of the push plate 37 extending out of the ruler body 1 is connected with an adjusting plate 35, and the adjusting plate 35 is fixed on the outer surface of the push plate 37.
In the present invention, the reflective plate 31 is disposed in a left-right split manner, wherein the outer side of the reflective plate 31 is made of an opaque material capable of reflecting a light source, and the inner side of the reflective plate 31 is made of a transparent material, so that observation of a detection person is not affected when light is reflected.
In a possible embodiment, the adjusting plate 35 is in contact with the ruler body 1, the adjusting plate 35 penetrates through the angle steel 2, the adjusting plate 35 can push the push plate 37 to move relative to the ruler body 1, and the push plate 37 is in contact with the inner wall of the ruler body 1.
In the invention, the adjusting plate 35 can facilitate an operator to adjust the position of the lamp strip 23, so that a good measurement display effect can be achieved according to different measured positions, and the measurement stability is further ensured.
In a possible embodiment, the light strip 23 is in contact with the mobile frame 36, the adjusting knob 32 is mounted inside the protective cover 33, and the adjusting knob 32 is mounted recessed, with the gears 34 on the outside of the adjusting knob 32 meshing with each other.
In the invention, the protective cover 33 is clamped with the ruler body 1 through a buckle, wherein the adjusting knob 32 is arranged in a concave manner, so that the adjusting knob 32 is prevented from being collided in the using process, and the position of the reflecting plate 31 can be adjusted by using the adjusting knob 32.
In one possible embodiment, the auxiliary device comprises:
a card slot 41 opened on the outer surface of the movable frame 36;
the magnetic strip 42 is fixed on one side of the lamp strip 23;
a cavity 43 which is arranged in the ruler body 1; and
and a filling medium 44 filled inside the chamber 43.
In the present invention, the magnetic stripe 42 and the card slot 41 are shaped in conformity, so as to form the mounting of the light strip 23 by using the magnetic stripe 42, wherein the present invention is not limited to the material of the filling medium 44, and the filling medium 44 is air for example, and can be selected by those skilled in the art according to the use condition.
In a possible embodiment, the magnetic strip 42 is located inside the slot 41 and attracts the moving frame 36, and one side of the push plate 37 is a connecting rod inserted into the chamber 43.
In the present invention, the use of the connecting rod on one side of the push plate 37 can facilitate the position restriction of the push plate 37 and can prevent the leakage of the filling bond during the use.
In addition, the invention also provides a using method of the indium steel ruler lighting device with the sliding device, during installation, the protective cover 33 is opened, the lamp strip 23 is attracted to the inner side of the moving frame 36 through the magnetic stripe 42, the adjusting plate 35 is pushed, the adjusting plate 35 can drive the push plate 37 to move, the push plate 37 can drive the filling medium 44 in the cavity 43 to move after moving, the filling medium 44 assists the push plate 37 to move, then the switch is opened, the lamp strip 23 is electrified, the adjusting knob 32 is rotated, the adjusting knob 32 moves, the reflecting plates 31 on two sides synchronously move through transmission between the gears 34, and accordingly light of the lamp strip 23 is reflected, and irradiation on the identification groove 25 is formed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Claims (9)
1. An indium steel ruler lighting device with a sliding device comprises a ruler body (1) and angle steel (2) used for protecting the ruler body (1), and is characterized in that the outside of the ruler body (1) is provided with the lighting device, one side of the lighting device is provided with the sliding device, and the inside of the ruler body (1) is provided with an auxiliary device;
the lighting device includes:
a mark groove (25) carved on the outer surface of the ruler body (1), wherein a fluorescent filling material (26) capable of emitting light under illumination is arranged in the mark groove (25); and
the guide rail (22) is arranged in the ruler body (1), and a lamp strip (23) capable of illuminating is arranged on the inner side of the ruler body (1);
the power module (24) is clamped in the middle of the ruler body (1) and used for supplying power to the lamp strip (23);
a magnet (21) embedded in the ruler body (1);
the inside of the ruler body (1) is also provided with a positioning groove (27).
2. The indium steel ruler illumination device with the sliding device according to claim 1, wherein the angle steel (2) is inserted into the positioning groove (27), the angle steel (2) is in contact with the ruler body (1), and the angle steel (2) is respectively arranged at the upper, middle and lower positions of the ruler body (1).
3. The indium steel ruler illumination device with sliding device according to claim 1, wherein the power module (24) is electrically connected with the light strip (23), the power module (24) is provided with a switch capable of controlling on-off, and the light strip (23) can move inside the guide rail (22).
4. The indium steel ruler illumination device with the sliding device according to claim 1, wherein the mark groove (25) is located in the middle of the front face of the ruler body (1), the guide rails (22) are located on two sides of the mark groove (25), and the face of the mark groove (25) is an arc face.
5. The indium steel ruler illumination device with sliding device according to claim 1, wherein the sliding device comprises:
a protective cover (33) clamped with the outer side of the ruler body (1)
The reflecting plate (31) is arranged on the outer side of the ruler body (1), and the reflecting plate (31) can reflect light emitted by the lamp strip (23);
adjusting knobs (32) are arranged at two ends of the reflecting plate (31), the adjusting knobs (32) are fixed at two ends of the reflecting plate (31), and gears (34) are arranged between the adjusting knobs (32) and are in meshing transmission through the gears (34);
the moving frame (36) is installed inside the sliding groove in a sliding mode, and a push plate (37) is arranged on one side, extending to the inside of the ruler body (1), of the moving frame (36);
one end of the push plate (37) extending out of the outer side of the ruler body (1) is connected with an adjusting plate (35), and the adjusting plate (35) is fixed on the outer surface of the push plate (37).
6. The indium steel ruler illumination device with the sliding device according to claim 5, wherein the adjusting plate (35) is in contact with the ruler body (1), the adjusting plate (35) penetrates through an angle steel (2), the adjusting plate (35) can push a push plate (37) to move relative to the ruler body (1), and the push plate (37) is in contact with the inner wall of the ruler body (1).
7. The indium steel ruler lighting device with sliding device according to claim 5, wherein the light strip (23) is in contact with the moving frame (36), the adjusting knob (32) is installed on the inner side of the protective cover (33), the adjusting knob (32) is installed in a concave manner, and gears (34) on the outer side of the adjusting knob (32) are meshed with each other.
8. The indium steel ruler illumination device with the sliding device according to claim 5, wherein the auxiliary device comprises:
the clamping groove (41) is formed in the outer surface of the movable frame (36);
the magnetic strip (42) is fixed on one side of the lamp strip (23);
a cavity (43) which is arranged in the ruler body (1); and
and a filling medium (44) filled in the chamber (43).
9. The indium steel ruler illumination device with the sliding device according to claim 8, wherein the magnetic stripe (42) is located inside the clamping groove (41) and attracts the moving frame (36), a connecting rod is arranged on one side of the push plate (37), and the push plate (37) is inserted into the cavity (43) on one side of the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210984767.7A CN115355873A (en) | 2022-08-17 | 2022-08-17 | Indium steel ruler lighting device with sliding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210984767.7A CN115355873A (en) | 2022-08-17 | 2022-08-17 | Indium steel ruler lighting device with sliding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115355873A true CN115355873A (en) | 2022-11-18 |
Family
ID=84002022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210984767.7A Pending CN115355873A (en) | 2022-08-17 | 2022-08-17 | Indium steel ruler lighting device with sliding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115355873A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116380016A (en) * | 2023-06-06 | 2023-07-04 | 中铁第一勘察设计院集团有限公司 | Soil body layered settlement monitoring system and method based on machine vision |
-
2022
- 2022-08-17 CN CN202210984767.7A patent/CN115355873A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116380016A (en) * | 2023-06-06 | 2023-07-04 | 中铁第一勘察设计院集团有限公司 | Soil body layered settlement monitoring system and method based on machine vision |
| CN116380016B (en) * | 2023-06-06 | 2023-08-29 | 中铁第一勘察设计院集团有限公司 | Soil body layered settlement monitoring system and method based on machine vision |
| WO2024083272A1 (en) * | 2023-06-06 | 2024-04-25 | 中铁第一勘察设计院集团有限公司 | Layered soil settlement monitoring system and method based on machine vision |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2275971T3 (en) | LIQUID CRYSTAL DISPLAY DEVICE. | |
| CN115355873A (en) | Indium steel ruler lighting device with sliding device | |
| CN201592676U (en) | Light source display structure of automobile pointer dashboard | |
| CN218545679U (en) | Indium steel ruler lighting device with sliding device | |
| CN209570108U (en) | Scale and measuring device for display panel | |
| CN105066955B (en) | Leveling device and leveling method thereof | |
| CN205209487U (en) | Automatic illumination electronic level scale and indicating device | |
| CN217845199U (en) | Be used for measuring indium steel chi lighting system that has slider night | |
| CN208795094U (en) | A kind of full frame noctilucence digital display calliper | |
| CN202692977U (en) | Leveling rod for night survey | |
| CN204188159U (en) | The luminous bar code levelling staff of observation is measured for down-hole, tunnel and night | |
| CN219996159U (en) | Night indium steel ruler | |
| CN204594453U (en) | A kind of Levelling instrument ruler surface illuminator | |
| CN207231463U (en) | A kind of levelling rod device for being used for the measurement of the level under complicated light | |
| CN211876883U (en) | On-spot investigation instrument | |
| CN113671715A (en) | Liquid crystal film reading lamp with scale and control method thereof | |
| CN217845223U (en) | Mechanical instrument | |
| CN206618413U (en) | A kind of levelling rod measured for night | |
| CN221198892U (en) | Light spot measuring device for picosecond laser | |
| CN216284732U (en) | Auxiliary measuring rod of extensometer | |
| CN212206042U (en) | Dual-purpose levelling rod of engineering survey | |
| CN211085211U (en) | Invar leveling rod with illumination function | |
| CN212432155U (en) | Laser ruler | |
| CN213985173U (en) | Supplementary guide prism device of light for survey and drawing | |
| CN216846226U (en) | Avoid sheltering from levelling rod lighting device of bar code |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |