CN217587608U - Portable high accuracy laser range sensor of hand-held type - Google Patents
Portable high accuracy laser range sensor of hand-held type Download PDFInfo
- Publication number
- CN217587608U CN217587608U CN202220857868.3U CN202220857868U CN217587608U CN 217587608 U CN217587608 U CN 217587608U CN 202220857868 U CN202220857868 U CN 202220857868U CN 217587608 U CN217587608 U CN 217587608U
- Authority
- CN
- China
- Prior art keywords
- laser
- laser emission
- mirror
- mounting box
- elastic
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a hand-held portable high accuracy laser rangefinder sensor relates to laser rangefinder technical field, including mounting box and fastening end cover, the mounting box top and below are provided with laser emission passageway and laser receiving passageway respectively, laser emission passageway the place ahead is provided with the laser emission mirror, wear to be equipped with in the laser emission passageway and compress tightly the subassembly, laser receiving passageway the place ahead is provided with the laser receiving mirror, compress tightly the subassembly and include the press head, the press head butt has elastic sliding part, elastic sliding part passes the laser emission passageway and is fixed with clamping part at the front end, the laser emission mirror is located between clamping part and laser emission passageway front end; the fastening end cover upper half part and the fastening end cover lower half part are respectively provided with an upper positioning structure and a lower positioning structure, the upper positioning structure is in contact with the clamping part, and the lower positioning structure is in contact with the laser receiving lens. The utility model has the advantages of easy dismounting, stable in structure and data acquisition are accurate.
Description
Technical Field
The utility model relates to a laser rangefinder technical field, concretely relates to portable high accuracy laser rangefinder sensor of hand-held type.
Background
A high-precision laser distance measuring sensor is a high-precision laser distance measuring and collecting instrument, which utilizes a certain parameter of modulated laser to accurately measure the distance of a target. Wherein, laser rangefinder sensor often need conveniently carry, all can begin the operation round the clock, but current laser rangefinder sensor structure is complicated, and the dismouting is inconvenient, and maintenance efficiency is lower, and is unreliable to the fixed of lens simultaneously, leads to the laser beam angle of emission when carrying the operation unstable, causes the data acquisition result inaccurate.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a portable high accuracy laser rangefinder sensor of hand-held type.
A handheld portable high-precision laser ranging sensor comprises a mounting box and a fastening end cover capable of being buckled at the front end of the mounting box, wherein a laser transmitting channel and a laser receiving channel penetrating out of the mounting box are respectively arranged above and below the mounting box, a laser transmitting mirror is arranged in front of the laser transmitting channel, a pressing component penetrates through the laser transmitting channel, and a laser receiving mirror is arranged in front of the laser receiving channel; the pressing assembly comprises a pressing head fixed at the rear end of the laser emission channel, the pressing head is abutted against an elastic sliding part, the elastic sliding part penetrates through the laser emission channel and is fixedly provided with a clamping part at the front end, the elastic sliding part is used for drawing the clamping part to move towards the front end of the laser emission channel, and the laser emission mirror is positioned between the clamping part and the front end of the laser emission channel; the fastening end cover comprises a fastening end cover body and is characterized in that the upper half part and the lower half part of the fastening end cover body are respectively provided with an upper positioning structure and a lower positioning structure, the upper positioning structure is in contact with the clamping part, and the lower positioning structure is in contact with the laser receiving mirror. Different laser electrical elements are respectively arranged in the laser emission channel and the laser receiving channel, wherein the laser emission channel and the laser receiving channel are provided with 32-bit high-performance floating point processors, the floating point processors are triggered by a trigger signal, the laser emission channel emits light pulses to a target, the time of the light pulses emitted by the laser emission channel, the starting time of the light pulses emitted by the laser emission channel, the time of the light pulses reaching the target and the time of the light pulses returned to the laser receiving channel from the target are measured, and therefore the target distance is calculated; whole portable high accuracy laser ranging sensor of hand-held type has single/continuous measurement, the area measurement, the volume measurement once colludes a gang and measures, the secondary colludes a gang and measures, measuring function such as automatic level survey and automatic vertical measurement can be used to bridge, tunnel, foundation ditch, pile foundation, structural engineering such as dam and take steps on reconnaissance and the work progress range finding, can automatic storage measured data after gathering and upload to cloud platform with data, make things convenient for the later stage to carry out the secondary to these data and use.
Preferably, the elastic sliding portion includes: the elastic structure is arranged on the inner wall of the mounting box; the pushing block is abutted on the elastic structure and can slide along the elastic structure; the connecting structure is fixed on the pushing block; the front end of the connecting structure is fixed with the clamping part, the bottom of the pushing block is in contact with the pressing head, and the elastic structure is used for pushing the pushing block and driving the connecting structure and the clamping part to move so that the clamping part abuts against the laser emission mirror. The elastic structure can elastically deform and generate elasticity; when the pressing head is not stressed, the pushing block is pushed by the elastic force exerted by the elastic structure, and the connecting structure transmits the elastic force to the clamping part, so that the clamping part automatically approaches to the laser emission channel; when the press head is pressed, the pushing block is pressed by the press head, the elastic structure can deform, and the connection structure is guaranteed to be driven by the pushing block, so that the whole clamping part is far away from the laser emission channel.
Preferably, the elastic structure is including fixing the installation piece at the installation box inner wall, the installation piece side is fixed with the slide bar, the cover is equipped with compression spring on the slide bar, the slide bar break-through promote the piece. The installation piece is fixed, promotes the piece and can follow the slide bar and slide and contact compression spring, and compression spring can take place elastic deformation and apply for promoting a certain degree elasticity of piece.
Preferably, the pressing head includes: the sliding cylinder is arranged at the rear end of the laser emission channel and penetrates out of the mounting box; and a clamping block arranged on the outer side surface of the sliding cylinder; wherein the catch block contacts the push block. An eyepiece can be arranged in the sliding cylinder, and the laser emission end point can be observed by the eyepiece after the combination and connection of the electrical elements; the sliding cylinder is pressed by a user to drive the clamping block to press the pushing block.
Preferably, the clamping part comprises a pressing ring fixed at the front end of the elastic sliding part, and the pressing ring is in contact with the surface of the laser emission mirror. The press ring is uniformly contacted with the laser emission mirror along the circumferential direction, so that the stress uniformity of the laser emission mirror is ensured, and the position stability of the laser emission mirror is further improved.
Preferably, the upper positioning structure comprises an upper positioning ring fixed on the inner side of the fastening end cover, and the upper positioning ring is in contact with the pressing ring. Go up the holding ring and can carry on spacingly to pressing the ring, prevent that unexpected operation press the pressing head and lead to laser emission mirror not hard up.
Preferably, the lower positioning structure comprises a lower positioning ring fixed inside the fastening end cap, and the lower positioning ring contacts the laser receiving mirror. Similarly, the lower positioning ring limits the laser receiving mirror, and the loosening displacement range of the laser receiving mirror is reduced to a certain extent.
Preferably, the top of the mounting box is provided with a portable handle. The portable handle is convenient for a user to carry the portable handle by hand, so that the operation and use experience is improved.
The beneficial effects of the utility model are embodied in:
in the utility model, after the fastening end cover is buckled on the mounting box, the upper positioning structure can contact the clamping part to limit the clamping part, the lower positioning structure contacts the laser receiving mirror to limit the laser receiving mirror, wherein, the fastening end cover can separate the laser transmitting channel and the laser receiving channel from the outside, thereby avoiding the pollution of external impurities to the laser transmitting mirror and the laser receiving mirror to a certain extent, prolonging the service life, and simultaneously, the laser transmitting mirror and the laser receiving mirror can be conveniently exposed through the quick disassembly of the fastening end cover, thereby improving the maintenance efficiency; furthermore, the pressing component can press and position the laser emission mirror, specifically, the elastic sliding part is driven by the elasticity of the elastic sliding part to drive the clamping part to automatically move towards the front end of the laser emission channel, and the laser emission mirror is arranged at the front end of the laser emission channel and is contacted with and propped against the laser emission mirror at the front end of the laser emission channel, so that the stability of the laser emission operation process is ensured, and the accuracy of the data acquisition structure is improved; more critical is, utilize the press head butt elastic sliding part of wearing out the mounting box, when needing to pull down laser emission mirror and laser receiver mirror, pull down the fastening end cover earlier, can directly take off the laser receiver mirror, then from the external operation press head of mounting box, let the press head promote elastic sliding part, guarantee clamping portion can antedisplacement and loosen the laser emission mirror, let the laser emission mirror fall into laser receiving passageway front end, thereby can directly take off the laser emission mirror, quick assembly disassembly has been realized, further improve maintenance efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a side view of the structure of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 isbase:Sub>A sectional view of the structure of fig. 2 along the directionbase:Sub>A-base:Sub>A.
Reference numerals are as follows:
1-mounting box, 11-portable handle, 2-fastening end cover, 21-upper positioning structure, 22-lower positioning structure, 3-laser emission channel, 31-laser emission mirror, 4-laser receiving channel, 41-laser receiving mirror, 5-pressing component, 51-pressing head, 511-sliding cylinder, 512-clamping block, 52-elastic sliding part, 521-elastic structure, 5211-mounting block, 5212-sliding rod, 5213-compression spring, 522-pushing block, 523-connecting structure, 53-clamping part and 531-pressing ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, a handheld portable high-precision laser ranging sensor comprises a mounting box 1 and a fastening end cover 2 which can be buckled at the front end of the mounting box 1, wherein a laser emission channel 3 and a laser receiving channel 4 which penetrate through the mounting box 1 are respectively arranged above and below the mounting box 1, a laser emission mirror 31 is arranged in front of the laser emission channel 3, a pressing component 5 is arranged in the laser emission channel 3 in a penetrating manner, and a laser receiving mirror 41 is arranged in front of the laser receiving channel 4; the pressing assembly 5 comprises a pressing head 51 fixed at the rear end of the laser emission channel 3, the pressing head 51 is abutted against an elastic sliding part 52, the elastic sliding part 52 penetrates through the laser emission channel 3 and is fixed with a clamping part 53 at the front end, the elastic sliding part 52 is used for drawing the clamping part 53 to move towards the front end of the laser emission channel 3, and the laser emission mirror 31 is positioned between the clamping part 53 and the front end of the laser emission channel 3; the upper half part and the lower half part of the fastening end cover 2 are respectively provided with an upper positioning structure 21 and a lower positioning structure 22, the upper positioning structure 21 contacts the clamping part 53, and the lower positioning structure 22 contacts the laser receiving mirror 41.
In this embodiment, it should be noted that, different laser electrical elements are respectively arranged in the laser emission channel 3 and the laser reception channel 4, wherein a 32-bit high-performance floating-point processor is provided, and triggered by a trigger signal, the laser emission channel 3 emits a light pulse to a target, and measures the time from the start of the self-emitted light pulse to the target and from the target back to the laser reception channel 4, thereby calculating a target distance; whole portable high accuracy laser ranging sensor of hand-held type has single/continuous measurement, the area measurement, the volume measurement, once collude a gang and measure, the secondary colludes a gang and measure, measuring function such as automatic level measurement and automatic vertical measurement, can be used to bridge, the tunnel, the foundation ditch, the pile foundation, structural engineering such as dam is stepped on and is surveyed and the range finding in the work progress, this instrument adopts current 32 latest microprocessor, the degree of integration is high, the interference killing feature is strong, can automatic storage measured data and upload to cloud platform with data after gathering, make things convenient for the later stage to carry out the secondary to these data and use. In the whole laser ranging sensor, after the fastening end cover 2 is buckled on the mounting box 1, the upper positioning structure 21 can contact the clamping part 53 to limit the clamping part 53, and the lower positioning structure 22 contacts the laser receiving mirror 41 to limit the laser receiving mirror 41, wherein the fastening end cover 2 can separate the laser transmitting channel 3 and the laser receiving channel 4 from the outside, so that the laser transmitting mirror 31 and the laser receiving mirror 41 are prevented from being polluted by external impurities to a certain extent, the service life is prolonged, meanwhile, the laser transmitting mirror 31 and the laser receiving mirror 41 are conveniently exposed through quick disassembly of the fastening end cover 2, and the overhaul efficiency is improved; further, the pressing component 5 can press and position the laser emission mirror 31, specifically, the elastic sliding part 52 is driven by the elasticity of itself to drive the clamping part 53 to automatically move towards the front end of the laser emission channel 3, and the laser emission mirror 31 is arranged at the front end of the laser emission channel 3, so that the laser emission mirror 31 is contacted and propped against the front end of the laser emission channel 3, the stability of the laser emission operation process is ensured, and the accuracy of the data acquisition structure is improved; more critical, utilize the press head 51 butt elasticity sliding part 52 of wearing out mounting box 1, when needing to pull down laser emission mirror 31 and laser receiving mirror 41, pull down fastening end cover 2 earlier, can directly take off laser receiving mirror 41, then from mounting box 1 external operation press head 51, let press head 51 promote elasticity sliding part 52, guarantee clamping part 53 antedisplacement and loosen laser emission mirror 31, let laser emission mirror 31 fall into the laser receiving passageway 4 front end, thereby can directly take off laser emission mirror 31, quick assembly disassembly has been realized, further improve maintenance efficiency.
Specifically, the elastic sliding portion 52 includes: an elastic structure 521 arranged on the inner wall of the mounting box 1; a pushing block 522 abutting on the elastic structure 521 and capable of sliding along the elastic structure 521; a connecting structure 523 fixed to the pushing block 522; the front end of the connecting structure 523 fixes the clamping part 53, the bottom of the pushing block 522 contacts the pressing head 51, and the elastic structure 521 is used for pushing the pushing block 522 and driving the connecting structure 523 and the clamping part 53 to move, so that the clamping part 53 abuts against the laser emission mirror 31.
In this embodiment, it should be noted that the elastic structure 521 itself can be elastically deformed to generate an elastic force; when the pressing head 51 is not stressed, the pushing block 522 is pushed by the elastic force exerted by the elastic structure 521, and the connecting structure 523 transmits the elastic force to the clamping part 53, so that the clamping part 53 automatically approaches the laser emission channel 3; when the pressing head 51 is pressed, the pushing block 522 is pressed by the pressing head 51, the elastic structure 521 can deform, and it is ensured that the connecting structure 523 is driven by the pushing block 522, so that the whole clamping part 53 is far away from the laser emission channel 3.
Specifically, the elastic structure 521 includes a mounting block 5211 fixed on the inner wall of the mounting box 1, a sliding rod 5212 is fixed on the side surface of the mounting block 5211, a compression spring 5213 is sleeved on the sliding rod 5212, and the sliding rod 5212 penetrates through the pushing block 522.
In the present embodiment, the mounting block 5211 is fixed, the push block 522 can slide along the slide rod 5212 and contact the compression spring 5213, and the compression spring 5213 can be elastically deformed and apply a certain degree of elastic force to the push block 522.
Specifically, the pressing head 51 includes: a sliding cylinder 511 which is arranged at the rear end of the laser emission channel 3 and penetrates out of the mounting box 1; a clamping block 512 arranged on the outer side surface of the sliding cylinder 511; wherein the catch block 512 contacts the push block 522.
In this embodiment, it should be noted that an eyepiece can be installed inside the sliding tube 511, and after the sliding tube is connected by a combination of electrical elements, the eyepiece can observe a laser emission end point; the sliding barrel 511 is pressed by the user, and drives the blocking block 512 to press the pushing block 522.
Specifically, the chucking portion 53 includes a pressing ring 531 fixed to the front end of the elastic sliding portion 52, and the pressing ring 531 contacts the surface of the laser transmitter mirror 31.
In the present embodiment, it should be noted that the pressing ring 531 uniformly contacts the laser emission mirror 31 along the circumferential direction, so as to ensure uniform stress on the laser emission mirror 31 and further improve the position stability of the laser emission mirror 31.
Specifically, the upper positioning structure 21 includes an upper positioning ring fixed inside the fastening end cap 2, the upper positioning ring contacting the pressing ring 531.
In the present embodiment, the upper positioning ring can limit the pressing ring 531, and prevent the laser beam emitting mirror 31 from being loosened by accidentally operating the pressing head 51.
Specifically, the lower positioning structure 22 includes a lower positioning ring fixed inside the fastening end cap 2, the lower positioning ring contacting the laser receiving mirror 41.
In the present embodiment, similarly, the lower retainer ring limits the position of the laser beam receiving mirror 41, and the range of the backlash displacement of the laser beam receiving mirror 41 is reduced to some extent.
Specifically, the top of the mounting box 1 is provided with a portable handle 11.
In the present embodiment, it should be noted that the portable handle 11 is convenient for the user to carry the portable handle by hand, thereby improving the operation experience.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (8)
1. A handheld portable high-precision laser ranging sensor is characterized by comprising a mounting box and a fastening end cover capable of being buckled at the front end of the mounting box, wherein a laser transmitting channel and a laser receiving channel penetrating out of the mounting box are respectively arranged above and below the mounting box; wherein the content of the first and second substances,
the pressing assembly comprises a pressing head fixed at the rear end of the laser emission channel, the pressing head is abutted against an elastic sliding part, the elastic sliding part penetrates through the laser emission channel, a clamping part is fixed at the front end of the elastic sliding part, the elastic sliding part is used for drawing the clamping part to move towards the front end of the laser emission channel, and the laser emission mirror is positioned between the clamping part and the front end of the laser emission channel;
the fastening end cover comprises a fastening end cover body and is characterized in that the upper half part and the lower half part of the fastening end cover body are respectively provided with an upper positioning structure and a lower positioning structure, the upper positioning structure is in contact with the clamping part, and the lower positioning structure is in contact with the laser receiving mirror.
2. The hand-held portable high precision laser ranging sensor of claim 1, wherein the resilient sliding portion comprises:
the elastic structure is arranged on the inner wall of the mounting box;
the pushing block is abutted on the elastic structure and can slide along the elastic structure;
the connecting structure is fixed on the pushing block; wherein the content of the first and second substances,
the connecting structure front end is fixed clamping portion, promote the piece bottom contact the press head, elastic construction is used for promoting and promotes the piece and drive connecting structure and clamping portion motion to make clamping portion support laser emission mirror.
3. The portable handheld high-precision laser ranging sensor as claimed in claim 2, wherein the elastic structure comprises a mounting block fixed on the inner wall of the mounting box, a sliding rod is fixed on the side surface of the mounting block, a compression spring is sleeved on the sliding rod, and the sliding rod penetrates through the pushing block.
4. The handheld portable high precision laser ranging sensor as claimed in claim 3, wherein the pressing head comprises:
the sliding cylinder is arranged at the rear end of the laser emission channel and penetrates out of the mounting box; and
the clamping block is arranged on the outer side surface of the sliding cylinder; wherein the content of the first and second substances,
the screens piece contact promote the piece.
5. The handheld portable high-precision laser ranging sensor according to claim 4, wherein the clamping part comprises a pressing ring fixed at the front end of the elastic sliding part, and the pressing ring contacts the surface of the laser emitting mirror.
6. The handheld portable high precision laser ranging sensor as in claim 5 wherein the upper positioning structure comprises an upper positioning ring fixed inside the fastening end cap, the upper positioning ring contacting the pressing ring.
7. The handheld portable high precision laser ranging sensor of claim 4 wherein the lower locating structure comprises a lower locating ring fixed inside the fastening end cap, the lower locating ring contacting the laser receiving mirror.
8. The handheld portable high-precision laser ranging sensor according to claim 1, wherein a portable handle is arranged on the top of the mounting box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220857868.3U CN217587608U (en) | 2022-04-13 | 2022-04-13 | Portable high accuracy laser range sensor of hand-held type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220857868.3U CN217587608U (en) | 2022-04-13 | 2022-04-13 | Portable high accuracy laser range sensor of hand-held type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217587608U true CN217587608U (en) | 2022-10-14 |
Family
ID=83541768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220857868.3U Active CN217587608U (en) | 2022-04-13 | 2022-04-13 | Portable high accuracy laser range sensor of hand-held type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217587608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115839668A (en) * | 2023-02-16 | 2023-03-24 | 山西仲测计量研究院有限公司 | Device for measuring hole spacing of mechanical part |
-
2022
- 2022-04-13 CN CN202220857868.3U patent/CN217587608U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115839668A (en) * | 2023-02-16 | 2023-03-24 | 山西仲测计量研究院有限公司 | Device for measuring hole spacing of mechanical part |
| CN115839668B (en) * | 2023-02-16 | 2023-04-25 | 山西仲测计量研究院有限公司 | Mechanical part hole spacing measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217587608U (en) | Portable high accuracy laser range sensor of hand-held type | |
| US6740295B2 (en) | Method and device for detecting the type of replaceable piston-cylinder units for pipetting or dosing apparatus | |
| US20130162469A1 (en) | Geodetic survey system having a camera integrated in a remote control unit | |
| US20080174760A1 (en) | Laser distance finder | |
| CN212694035U (en) | Laser range finder structure | |
| CN212900543U (en) | Engineering reconnaissance is with portable laser range finder | |
| CN106501814B (en) | Laser measuring fat instrument | |
| CN212409638U (en) | Cast-in-place concrete depth measuring device | |
| CN211824271U (en) | Distance measuring instrument | |
| CN217543153U (en) | Portable laser velocimeter with angle compensation function | |
| CN220773264U (en) | Laser range finder | |
| CN215728841U (en) | Portable telescopic handheld laser range finder | |
| CN217689394U (en) | Open-air distancer with adjustable high accuracy | |
| CN216748066U (en) | Quick-release fixing structure of laser range finder | |
| CN218497136U (en) | Laser head and laser range finder comprising same | |
| CN212301869U (en) | Ultrasonic ranging sensor for protecting opening | |
| KR102392096B1 (en) | Automatic electronic rangefinder | |
| CN218383306U (en) | High-precision laser range finder | |
| CN217820865U (en) | Hand-held type bridge construction laser range finder | |
| CN216209870U (en) | Hand-held type laser range finder | |
| CN215766918U (en) | High-precision short-distance laser deflection wireless measuring device | |
| CN212229169U (en) | Miniature laser rangefinder suitable for unmanned aerial vehicle | |
| CN212845938U (en) | High-precision long-distance length detection device | |
| CN209373099U (en) | A kind of hand-held laser rangefinder | |
| CN215769017U (en) | Tunnel clearance convergence laser scanner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |