CN111189388A - Remote accurate butt joint device based on fiber laser - Google Patents

Remote accurate butt joint device based on fiber laser Download PDF

Info

Publication number
CN111189388A
CN111189388A CN202010015755.4A CN202010015755A CN111189388A CN 111189388 A CN111189388 A CN 111189388A CN 202010015755 A CN202010015755 A CN 202010015755A CN 111189388 A CN111189388 A CN 111189388A
Authority
CN
China
Prior art keywords
laser
fiber laser
optical fiber
tube
receiver
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.)
Withdrawn
Application number
CN202010015755.4A
Other languages
Chinese (zh)
Inventor
林建斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou New District Jianjinjian Intelligent Science And Technology Co ltd
Original Assignee
Suzhou New District Jianjinjian Intelligent Science And Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou New District Jianjinjian Intelligent Science And Technology Co ltd filed Critical Suzhou New District Jianjinjian Intelligent Science And Technology Co ltd
Priority to CN202010015755.4A priority Critical patent/CN111189388A/en
Publication of CN111189388A publication Critical patent/CN111189388A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/026Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Laser Beam Processing (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

The invention provides a remote accurate butt joint device based on an optical fiber laser, which comprises the optical fiber laser, an emission plate, a receiving plate and an intelligent processing system, wherein a display screen is arranged on the optical fiber laser, an optical fiber tube is fixedly connected to one side of the optical fiber laser, a laser emission tube is fixedly connected to one end of the optical fiber tube, the side wall of the front end of the laser emission tube is connected with a longitudinal rotating shaft, a sleeve hole is formed in an adjusting sleeve seat, the rear end of the laser emission tube is inserted into the sleeve hole of the adjusting sleeve seat, the intelligent processing system comprises a laser receiver, a signal transmitter, a distance sensor, a measuring camera, a signal receiver, a processor and a display screen, the remote accurate butt joint device based on the optical fiber laser can conveniently adjust the angle of the laser emission tube to finish corresponding irradiation, and can directly calculate the transverse deviation distance and the longitudinal deviation distance of a butt joint surface between connecting pieces, the one-time adjustment of the connecting piece on one side is convenient, and the adjustment process is simpler and faster.

Description

Remote accurate butt joint device based on fiber laser
Technical Field
The invention belongs to the technical field of remote butt joint devices, and particularly relates to a remote accurate butt joint device based on a fiber laser.
Background
The optical fiber laser is a laser which uses a rare earth element doped glass optical fiber as a gain medium, the waveguide structure of the optical fiber determines that the optical fiber laser is easy to obtain single transverse mode output, the optical fiber laser is slightly influenced by external factors and can realize high-brightness laser irradiation, the optical fiber laser adopts a slender rare earth element doped optical fiber as a laser gain medium, the surface area and volume ratio of the optical fiber laser is very large, the optical fiber laser has natural advantages in heat dissipation capacity, the optical fiber does not need to be specially cooled under the condition of medium and low power, two connecting pieces which are far away from each other are often required to be butted through linear extension in the existing engineering operation, the position adjustment is carried out through a remote butting auxiliary device at the initial stage of the installation of the connecting pieces at two ends, so that larger errors can be avoided when the connecting pieces are prolonged and connected, and the existing mode for realizing the remote butting adjustment, the principle of the remote precise butt joint device is that a laser transmitter is installed on a connecting piece to enable the laser transmitter to be in the same butt joint direction with the connecting piece, and the position of the connecting piece is continuously adjusted to enable laser to irradiate the corresponding position of another connecting piece to complete remote butt joint adjustment.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a remote accurate butt joint device based on a fiber laser, which can complete corresponding irradiation by conveniently adjusting the angle of a laser emission tube, can directly calculate the transverse and longitudinal deviation distance of a butt joint surface between connecting pieces, is convenient for one-time adjustment of the connecting pieces on one side, and enables the adjustment process to be simpler and faster.
In order to achieve the purpose, the invention is realized by the following technical scheme: a remote accurate butt joint device based on an optical fiber laser comprises the optical fiber laser, a transmitting plate, a receiving plate and an intelligent processing system, wherein a display screen is installed on the optical fiber laser, an optical fiber tube is fixedly connected to one side of the optical fiber laser, a laser transmitting tube is fixedly connected to one end of the optical fiber tube, a front seat is fixedly arranged on the front side of the top surface of the transmitting plate, a distance sensor is installed on the front side of the front seat, a transparent plate is fixedly arranged on the top of the front seat, a connecting seat and an adjusting sleeve seat are respectively installed on the other side of the top surface of the transmitting plate, a measuring camera is installed on the front side of the connecting seat, a transverse rotating shaft is arranged on the top of the transverse rotating shaft, a connecting frame is arranged on the top of the transverse rotating shaft, a longitudinal rotating shaft is fixedly arranged on the inner side wall of the, the improved laser processing device is characterized in that a sleeve hole is formed in the adjusting sleeve seat, the rear end of the laser transmitting tube is inserted into the sleeve hole of the adjusting sleeve seat, a pair of extrusion springs is fixedly connected between the inner wall of the sleeve hole and the side wall of the rear end of the laser transmitting tube, knob screws are inserted into the top of the adjusting sleeve seat and the side wall of one side of the adjusting sleeve seat, a signal transmitter and a laser receiver are installed at the top of the receiving plate respectively, the intelligent processing system comprises a laser receiver, a signal transmitter, a distance sensor, a measuring camera, a signal receiver, a processor and a display screen, and the signal receiver and the processor are integrally installed inside the optical fiber laser.
In a preferred embodiment of the present invention, the edge of one side of the transparent plate is provided with a scribed line.
In a preferred embodiment of the present invention, the orientation of the measuring camera corresponds to a position of the transparent plate.
As a preferable mode of the present invention, a distal end of the knob screw is in contact with a side wall of the laser emitting tube and corresponds to a position of the pressing spring.
As a preferred mode of the present invention, the processor is electrically connected to the signal receiver, the distance sensor and the measuring camera through the monitoring circuit.
As a preferred mode of the present invention, the processor is electrically connected to the display screen through the instruction circuit.
In a preferred embodiment of the present invention, the laser receiver is electrically connected to the signal transmitter through a wire.
In a preferred embodiment of the present invention, the distance between the laser receiver and the transparent plate is L, and the distance between the transparent plate and the laser emitting tube is L2.
In a preferred embodiment of the present invention, the distances between the center point of the transparent plate and the transmission point of the laser beam emitted from the laser emitting tube on the transparent plate in the lateral direction and the longitudinal direction are X and Y, respectively.
In a preferred embodiment of the present invention, the lateral and longitudinal deviation distances of the two connectors on which the transmitting plate and the receiving plate are located are X2 and Y2, respectively, and X2 ═ X (L + L2)/L2 and Y2 ═ Y ═ L + L2)/L2.
The invention has the beneficial effects that: the invention discloses a remote accurate butt joint device based on an optical fiber laser, which comprises the optical fiber laser, a transmitting plate, a receiving plate, a display screen, an optical fiber tube, a laser transmitting tube, a front seat, a distance sensor, a transparent plate, a reticle, a connecting seat, a measuring camera, a transverse rotating shaft, a connecting frame, a longitudinal rotating shaft, an adjusting sleeve seat, an extrusion spring, a knob screw, a laser receiver, a signal transmitter, a signal receiver, a processor and a sleeve hole.
1. This long-range accurate interfacing apparatus based on fiber laser can correspond the laser receiver on another connecting piece through the angle of convenient adjustment laser emission pipe and shine, and the numerical control that can gather after correspondingly shining successfully directly calculates the horizontal and vertical deviation distance of butt joint face between the connecting piece, and the convenience is compared the mode that the connecting piece body position was constantly adjusted to the disposable adjustment of one side connecting piece, and the adjustment process is simple swift more.
2. This long-range accurate interfacing apparatus's based on fiber laser is produced by fiber laser and conducts through the fiber tube and launches on the laser emission pipe, can guarantee the volume of the connecting seat that significantly reduces when laser brightness, makes its fixed placing that can be convenient on the surface of various connecting pieces, and the mounted position is comparatively nimble.
Drawings
Fig. 1 is a schematic overall structure diagram of a remote precise docking device based on a fiber laser;
FIG. 2 is a schematic structural diagram of an external appearance of an emission plate of a remote precise docking device based on a fiber laser;
FIG. 3 is a schematic diagram of the surface structure of a transparent plate of a remote precision docking device based on a fiber laser;
FIG. 4 is a schematic cross-sectional view illustrating a connection structure of an adjusting socket and a laser emitting tube of a remote precise docking apparatus based on a fiber laser;
FIG. 5 is a schematic diagram of an intelligent processing system of a fiber laser based remote precision docking device;
in the figure: 1-fiber laser, 2-transmitting plate, 3-receiving plate, 4-display screen, 5-fiber tube, 6-laser transmitting tube, 7-front seat, 8-distance sensor, 9-transparent plate, 10-scribed line, 11-connecting seat, 12-measuring camera, 13-transverse rotating shaft, 14-connecting frame, 15-longitudinal rotating shaft, 16-adjusting sleeve seat, 17-extrusion spring, 18-knob screw, 19-laser receiver, 20-signal transmitter, 21-signal receiver, 22-processor and 23-trepanning.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 5, the present invention provides a technical solution: a remote accurate butt joint device based on an optical fiber laser comprises an optical fiber laser 1, a transmitting plate 2, a receiving plate 3 and an intelligent processing system, wherein a display screen 4 is installed on the optical fiber laser 1, an optical fiber tube 5 is fixedly connected to one side of the optical fiber laser 1, a laser transmitting tube 6 is fixedly connected to one end of the optical fiber tube 5, a front seat 7 is fixedly arranged on the front side of the top surface of the transmitting plate 2, a distance sensor 8 is installed on the front side of the front seat 7, a transparent plate 9 is fixedly arranged on the top of the front seat 7, a connecting seat 11 and an adjusting sleeve seat 16 are respectively installed on the other side of the top surface of the transmitting plate 2, a measuring camera 12 is installed on the front side of the connecting seat 11, a transverse rotating shaft 13 is arranged on the top of the connecting seat 11, a connecting frame 14 is arranged on the top of the transverse rotating shaft 13, and a longitudinal rotating, the utility model discloses a laser emission device, including laser emitting tube 6, regulation cover seat 16, signal transmitter 20, signal receiver 21, treater 22 and display screen 4, the lateral wall of laser emitting tube 6 front end is connected with vertical pivot 15, trepanning 23 has been seted up on the regulation cover seat 16, the rear end of laser emitting tube 6 is inserted in the trepanning 23 of regulation cover seat 16, a pair of extrusion spring 17 of fixedly connected with between the inner wall of trepanning 23 and the lateral wall of laser emitting tube 6 rear end, knob screw 18 has all been inserted on the top of regulation cover seat 16 and the lateral wall of one side, signal transmitter 20 and laser receiver 19 are installed respectively to the top of dash receiver 3, intelligent processing system includes laser receiver 19, signal transmitter 20, apart from inductor 8, measurement camera 12, signal receiver 21, treater 22 and display screen 4, signal receiver 21 and treater 22 integrated the installation are in fiber laser 1.
In a preferred embodiment of the present invention, the transparent plate 9 has a scribed line 10 at an edge of one surface thereof.
In a preferred embodiment of the present invention, the orientation of the measuring camera 12 corresponds to the position of the transparent plate 9.
In a preferred mode of the present invention, the end of the knob screw 18 is in contact with the side wall of the laser emitting tube 6 and corresponds to the position of the pressing spring 17.
In a preferred embodiment of the present invention, the processor 22 is electrically connected to the signal receiver 21, the distance sensor 8 and the measuring camera 12 through monitoring circuits.
In a preferred embodiment of the present invention, the processor 22 is electrically connected to the display 4 through an instruction circuit.
In a preferred embodiment of the present invention, the laser receiver 19 is electrically connected to the signal transmitter 20 through a wire.
In a preferred embodiment of the present invention, the distance between the laser receiver 19 and the transparent plate 9 is L, and the distance between the transparent plate 9 and the laser emitting tube 6 is L2.
In a preferred embodiment of the present invention, the distances between the center point of the transparent plate 9 and the transmission point of the laser beam emitted from the laser emitting tube 6 on the transparent plate 9 in the lateral direction and the longitudinal direction are set to X and Y, respectively.
In a preferred embodiment of the present invention, the lateral and longitudinal deviation distances of the two connecting members where the transmitting plate 2 and the receiving plate 3 are located are X2 and Y2, respectively, and X2 ═ X (L + L2)/L2 and Y2 ═ Y (L + L2)/L2.
The working principle is as follows: the signal transmitter 20 and the laser receiver 19 on the receiving plate 3 of the remote precise butt joint device based on the optical fiber laser are powered by a built-in battery, the optical fiber laser 1 is connected with an external power supply through an electric wire to supply power to the optical fiber laser and each electric appliance on the transmitting plate 2, when the remote butt joint adjustment of the two connecting pieces is carried out, the receiving plate 3 and the transmitting plate 2 are respectively stuck and fixed at corresponding positions on the two connecting pieces in a gluing way, when the sticking and the fixing are carried out, the orientation of the receiving plate 3 and the transmitting plate 2 is kept in the same direction as that of the connecting piece where the receiving plate 3 and the transmitting plate 2 are located, the laser transmitting function of the optical fiber laser 1 is turned on after the fixing is finished, then the optical fiber laser 1 generates laser and is transmitted to the laser transmitting tube 6 through the optical fiber tube 5 to emit light to the front, the laser can pass through, the position of a laser spot on a laser receiver 19 can be accurately controlled by adjusting the accurate adjustment of the tail position of an optical fiber tube 5 through two knob screws 18, dense photosensitive elements are distributed on the laser receiver 19, the position of the laser spot can be sensed and the irradiated position information can be transmitted through a signal transmitter 20, the information is received by a signal receiver 21 in the optical fiber laser 1 and is displayed on a display screen 4 through a processor 22, so that the irradiation position of the laser can be conveniently adjusted by a user, the laser is irradiated at the central point of the laser receiver 19, the central point of the laser receiver 19 corresponds to the position of the central point of a transparent plate 9, at the moment, if the positions of two connecting pieces do not correspond, the deviation occurs between the light transmitting point generated by the laser on the transparent plate 9 and the central point of the transparent plate 9, the light transmitting point on the transparent plate 9 and the image of a reticle 10 are irradiated through a measuring camera 12 and the processor 22 is used for, the length information of X and Y can be obtained, the distance sensor 8 on the front seat 7 can detect the laser spot generated on the laser receiver 19, the distance L between the laser receiver 19 and the transparent plate 9 can be measured according to the existing phase type laser ranging principle, the length distance of L2 is fixed and unchanged, so the processor obtains the length distances of X2 and Y2, namely the transverse and longitudinal deviation distances of the two connecting pieces through the acquired length data of X, Y and L by a calculation formula of X2 ═ X (L + L2)/L2 and Y2 ═ Y (L + L2)/L2, the data can be displayed on the display screen 4, an operator can quickly adjust the relative position of the connecting pieces through the data, the angle of the laser emission tube 6 is only required to be adjusted to correspondingly irradiate in the process, the adjustment is simple and convenient, and then the correct adjustment of one-step positioning of the connecting piece on one side can be carried out, compare the mode of the continuous adjusting connecting piece body position of tradition, the adjustment process is simple more swift, and in addition, the laser of this device is produced by fiber laser 1 and conducts through fiber tube 5 and carry out the transmission on laser emission pipe 6, can guarantee the volume of connecting seat 11 that significantly reduces when laser brightness, make its fixed surface of placing at various connecting pieces that can be convenient, the mounted position is comparatively nimble, and it is comparatively convenient to install and use.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. A remote accurate butt joint device based on a fiber laser comprises a fiber laser (1), a transmitting plate (2), a receiving plate (3) and an intelligent processing system, and is characterized in that a display screen (4) is installed on the fiber laser (1), one side of the fiber laser (1) is fixedly connected with an optical fiber tube (5), one end of the optical fiber tube (5) is fixedly connected with a laser transmitting tube (6), a front seat (7) is fixedly arranged on the front side of the top surface of the transmitting plate (2), a distance sensor (8) is installed on the front side of the front seat (7), a transparent plate (9) is fixedly arranged on the top of the front seat (7), a connecting seat (11) and an adjusting sleeve seat (16) are respectively installed on the other side of the top surface of the transmitting plate (2), a measuring camera (12) is installed on the front side of the connecting seat (11), and a transverse rotating shaft (13) is arranged on the top of the connecting seat (11, the top of horizontal pivot (13) is provided with linking frame (14), fixed longitudinal rotating shaft (15) that is provided with on the inside wall of linking frame (14), the lateral wall of laser emission pipe (6) front end is connected with longitudinal rotating shaft (15), trepanning (23) have been seted up on adjustment cover seat (16), the rear end of laser emission pipe (6) is arranged and is inserted in trepanning (23) of adjustment cover seat (16), a pair of extrusion spring (17) of fixedly connected with between the lateral wall of the inner wall of trepanning (23) and laser emission pipe (6) rear end, all arrange knob screw rod (18) on the top of adjustment cover seat (16) and the lateral wall of one side, signal transmitter (20) and laser receiver (19) are installed respectively to the top of dash receiver (3), intelligent processing system includes laser receiver (19), signal transmitter (20), The device comprises a distance sensor (8), a measuring camera (12), a signal receiver (21), a processor (22) and a display screen (4), wherein the signal receiver (21) and the processor (22) are integrally installed inside the optical fiber laser (1).
2. The fiber laser-based remote precise docking device according to claim 1, wherein: and a scribed line (10) is arranged at the edge of one surface of the transparent plate (9).
3. The fiber laser-based remote precise docking device according to claim 1, wherein: the orientation of the measuring camera (12) corresponds to the position of the transparent plate (9).
4. The fiber laser-based remote precise docking device according to claim 1, wherein: the tail end of the knob screw rod (18) is in contact with the side wall of the laser emission tube (6) and corresponds to the position of the extrusion spring (17).
5. The fiber laser-based remote precise docking device according to claim 1, wherein: the processor (22) is electrically connected with the signal receiver (21), the distance sensor (8) and the measuring camera (12) through the monitoring circuit respectively.
6. The fiber laser-based remote precise docking device according to claim 1, wherein: the processor (22) is electrically connected with the display screen (4) through the instruction circuit.
7. The fiber laser-based remote precise docking device according to claim 1, wherein: the laser receiver (19) is electrically connected with the signal transmitter (20) through an electric wire.
8. The fiber laser-based remote precise docking device according to claim 1, wherein: the distance between the laser receiver (19) and the transparent plate (9) is L, and the distance between the transparent plate (9) and the laser emission tube (6) is L2.
9. The fiber laser-based remote precise docking device according to claim 1, wherein: the transverse and longitudinal distances between the central point of the transparent plate (9) and the light transmission point of the laser emitted by the laser emission tube (6) on the transparent plate (9) are respectively set as X and Y.
10. A fiber-laser based remote precision docking apparatus according to claim 8 or 9, characterized in that: the transverse deviation distance and the longitudinal deviation distance of the two connecting pieces where the emitting plate (2) and the receiving plate (3) are located are set as X2 and Y2, and X2 is X (L + L2)/L2 and Y2 is Y (L + L2)/L2.
CN202010015755.4A 2020-01-07 2020-01-07 Remote accurate butt joint device based on fiber laser Withdrawn CN111189388A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010015755.4A CN111189388A (en) 2020-01-07 2020-01-07 Remote accurate butt joint device based on fiber laser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010015755.4A CN111189388A (en) 2020-01-07 2020-01-07 Remote accurate butt joint device based on fiber laser

Publications (1)

Publication Number Publication Date
CN111189388A true CN111189388A (en) 2020-05-22

Family

ID=70706087

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010015755.4A Withdrawn CN111189388A (en) 2020-01-07 2020-01-07 Remote accurate butt joint device based on fiber laser

Country Status (1)

Country Link
CN (1) CN111189388A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111827123A (en) * 2020-07-27 2020-10-27 田育民 Bridge cantilever quick positioning device
CN112796227A (en) * 2021-04-09 2021-05-14 湖南久钰电子有限公司 Bridge deck construction monitoring method and system
CN113296033A (en) * 2021-05-21 2021-08-24 上海瑞柯恩激光技术有限公司 Butt joint structure and laser equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111827123A (en) * 2020-07-27 2020-10-27 田育民 Bridge cantilever quick positioning device
CN111827123B (en) * 2020-07-27 2021-11-16 田育民 Bridge cantilever quick positioning device
CN112796227A (en) * 2021-04-09 2021-05-14 湖南久钰电子有限公司 Bridge deck construction monitoring method and system
CN112796227B (en) * 2021-04-09 2021-06-29 湖南久钰电子有限公司 Bridge deck construction monitoring method and system
CN113296033A (en) * 2021-05-21 2021-08-24 上海瑞柯恩激光技术有限公司 Butt joint structure and laser equipment

Similar Documents

Publication Publication Date Title
CN111189388A (en) Remote accurate butt joint device based on fiber laser
CN109091233B (en) Puncture surgical robot based on series-parallel connection structure
CN107045128A (en) It is a kind of can comprehensive adjustment laser measuring device for measuring
CN104964656A (en) Self-positioning flowing-type rapid scanning measuring device and method based on inertial navigation
CN203443557U (en) Novel portable CCD double-shaft autocollimator image measuring apparatus
CN113325392A (en) Wide-angle TOF module and application thereof
CN209727113U (en) Throw line apparatus and laser level
CN108445449B (en) Real-time high-precision positioning method and device for outdoor construction machinery
CN217886808U (en) Laser therapeutic instrument based on miniaturized solid laser
CN207008061U (en) Integral type laser module and laser ranging system
CN109631948A (en) A kind of optical fiber transfer device and method for total station calibration
CN212030441U (en) High-precision measuring equipment
US20240028138A1 (en) Touch generator, optical touch system, and touch method
CN209148545U (en) Reflective light transmittance measuring instrument
CN101887077A (en) Laser projected scale system
CN204705714U (en) Laser range finder
CN216647378U (en) PDA equipment with range finding and focusing functions
CN102971606A (en) Distance measuring device for measuring distance in an angle-dependent manner and without contact
CN207851768U (en) The functional computer key-board of wireless communication
CN213182021U (en) Civil engineering high accuracy distancer
CN211180204U (en) Improved structure of laser range finder
CN215728841U (en) Portable telescopic handheld laser range finder
CN212721789U (en) Temperature measuring gun capable of recording data
CN214224018U (en) Beam angle predictor
CN221039429U (en) Split embedded micro laser ranging system based on aiming light path

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
WW01 Invention patent application withdrawn after publication

Application publication date: 20200522

WW01 Invention patent application withdrawn after publication