CN117469543A - Surveying and plotting instrument that is easy to level and its leveling method - Google Patents

Surveying and plotting instrument that is easy to level and its leveling method Download PDF

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Publication number
CN117469543A
CN117469543A CN202311384660.XA CN202311384660A CN117469543A CN 117469543 A CN117469543 A CN 117469543A CN 202311384660 A CN202311384660 A CN 202311384660A CN 117469543 A CN117469543 A CN 117469543A
Authority
CN
China
Prior art keywords
leveling
surveying instrument
laser
bottom plate
tripod
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
Application number
CN202311384660.XA
Other languages
Chinese (zh)
Inventor
徐文海
李喆
王宏宇
胡锦哲
吴柏生
覃魏
袁方
湛正
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.)
Hunan Academy Of Geosciences Planning And Design Co ltd
Original Assignee
Hunan Academy Of Geosciences Planning And Design 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 Hunan Academy Of Geosciences Planning And Design Co ltd filed Critical Hunan Academy Of Geosciences Planning And Design Co ltd
Priority to CN202311384660.XA priority Critical patent/CN117469543A/en
Publication of CN117469543A publication Critical patent/CN117469543A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/12Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
    • F16M11/14Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction with ball-joint
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/16Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

The invention belongs to the field of surveying and mapping equipment, and discloses a surveying and mapping instrument convenient to level, which comprises a surveying and mapping instrument body and a tripod bracket; a leveling component is arranged between the surveying instrument body and the tripod bracket; the leveling assembly comprises a leveling bottom plate, elastic support rods, universal connectors, lasers, laser installation seats and indicators, wherein the universal connectors are fixedly arranged in an inner ring at the top of a tripod, one end of a ball head shaft of each universal connector is connected with the leveling bottom plate, the other end of each universal connector is connected with the laser installation seat, the other end of each laser installation seat is in universal connection with the indicators, the indicators are tubular, installation holes for communicating the indicators are formed in the laser installation seats, the lasers are arranged in the installation holes, the three elastic support rods are uniformly distributed between the leveling bottom plate and the tripod, movable ends of the elastic support rods are in universal connection with the leveling bottom plate, and fixed ends of the elastic support rods are fixedly connected with the tripod. According to the invention, the adjusting assembly is used for leveling the adjusting bottom plate, the supporting legs of the tripod bracket are not required to be adjusted, the adjusting operation is simple, and the efficiency is high.

Description

Surveying instrument convenient for leveling and leveling method thereof
Technical Field
The invention relates to the field of surveying and mapping equipment, in particular to a surveying and mapping instrument convenient to level and a leveling method thereof.
Background
The surveying instrument, which is simply referred to as the instrument and device for collecting, processing and outputting data designed and manufactured for surveying operation, comprises theodolite, level gauge, flat plate instrument, electromagnetic wave range finder, total station instrument, laser measuring instrument, etc., and is widely applied to engineering planning, design and construction.
At present, the existing surveying instrument consists of a surveying instrument body and a tripod bracket, wherein the surveying instrument body is arranged at the top of the tripod bracket; when the leveling instrument is used for leveling, the levelness of the tripod bracket is required to be adjusted according to the topography and by referring to leveling bubbles on the tripod bracket, and then the level instrument on the surveying instrument body is adjusted to realize leveling; when the tripod is leveled, bubbles are required to be continuously watched, then a certain supporting leg is adjusted by bending down, the leveling cannot be completed at one time generally, multiple times of operation are required, and the problems of troublesome adjustment and low adjustment efficiency exist.
Based on this, this application provides a surveying instrument with leveling subassembly, can improve surveying instrument leveling efficiency, and has leveling easy operation's advantage.
Disclosure of Invention
The invention aims to solve the technical problems existing in the prior art. Therefore, the leveling device provided by the invention can improve the leveling efficiency of the surveying instrument and has the advantage of simplicity in leveling operation.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a surveying instrument convenient to leveling, which comprises a surveying instrument body and a tripod bracket for installing the surveying instrument body; a leveling component is arranged between the surveying instrument body and the tripod bracket; the leveling assembly comprises a leveling bottom plate, an elastic supporting rod, universal connectors, a laser mounting seat and an indicator, wherein the universal connectors are fixedly arranged in an inner ring at the top of a tripod, one end of a ball head shaft of each universal connector is connected with the middle part of the leveling bottom plate, the other end of each universal connector is fixedly connected with the laser mounting seat, the other end of each laser mounting seat is provided with a ball head, the end part of each indicator is provided with a ball head seat rotationally connected with the ball head, the indicator is tubular, the laser mounting seat is internally provided with mounting holes for communicating the indicator, the laser is arranged in the mounting holes, the three elastic supporting rods are uniformly distributed between the leveling bottom plate and the tripod, and the movable ends of the elastic supporting rods are fixedly connected with the bottom of the leveling bottom plate through the universal connectors and the tops of the tripod are fixedly connected with the fixed ends of the tripod.
In a preferred embodiment of the present invention, the elastic supporting rod includes a cylinder, a rod body, a spring and a locking member, the rod body is movably disposed in the cylinder, the cylinder is embedded at the top of the tripod, the spring is disposed between the bottom of the cylinder and the rod body, and the locking member is screwed on the outer side of the cylinder for locking the position of the rod body.
In a preferred embodiment of the present invention, the indicator is made of transparent material, and a counterweight ring is arranged at the bottom of the indicator.
In a preferred embodiment of the present invention, the laser uses a laser with an internal power supply, and the laser is provided with an external switch, the external switch is disposed on a top side surface of the tripod, and the external switch is electrically connected with the laser.
The periphery of the leveling bottom plate is also provided with a plurality of handles, so that the leveling bottom plate can be conveniently adjusted by holding the handles.
The leveling device is characterized in that a counter bore is formed in the center of the top of the leveling bottom plate, a flange screw used for fixing the surveying instrument body is arranged in the counter bore, a locking piece used for locking the flange screw is arranged on the side face of the counter bore, and the flange screw is installed in a screw hole in the bottom of the surveying instrument body.
The locking piece comprises a knob plunger and a clamping head, the clamping head is radially movably arranged on the side wall of the counter bore, the knob plunger is in threaded connection with the outer wall of the leveling bottom plate relative to the clamping head, and a plunger rod of the knob plunger is rotationally connected with the clamping head.
The utility model also provides a leveling method of surveying instrument, the surveying instrument adopts the surveying instrument that has leveling subassembly, carries out the leveling of surveying instrument body according to following step:
step S1, unfolding a tripod bracket with a leveling assembly, and adjusting the length of each supporting leg according to the terrain to enable the leveling bottom plate to be approximately horizontal;
step S2, pulling out the knob plunger and rotating the knob plunger by an angle to enable the clamping head to enter the counter bore and keep the position, then placing the surveying instrument body provided with the flange screw in the counter bore of the leveling bottom plate, resetting the knob plunger to enable the clamping head to clamp the flange screw under the action of the spring in the knob plunger, and completing the installation and fixation of the surveying instrument body;
step S3, the laser is turned on, and the leveling base plate is adjusted, so that laser emitted by the laser can be smoothly projected on the bottom surface through the indicator;
s4, locking the elastic support rods to ensure the position of the leveling base plate;
and S5, finely adjusting the surveying instrument by using a level meter on the surveying instrument body.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the leveling assembly is arranged on the tripod, the indicator is always in a vertical state, the laser mounting seat is arranged on the adjusting bottom plate, when the adjusting bottom plate is uneven, laser emitted by the laser cannot penetrate through the indicator and is projected onto the ground, the leveling bottom plate can be ensured to be horizontal only when the laser passes through the indicator and is projected onto the ground, the tripod is arranged on the ground, the leveling bottom plate is enabled to be approximately horizontal only by initially adjusting the supporting legs according to the topography, then the adjusting assembly is used for leveling the adjusting bottom plate, the supporting legs of the tripod are not required to be adjusted, the supporting legs are not required to be adjusted by bending over for many times, the adjusting operation is simple, and the adjusting efficiency is high.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic diagram of a surveying instrument for facilitating leveling provided by the invention;
FIG. 2 is a sectional view of the leveling assembly and tripod of FIG. 1;
fig. 3 is a sectional view of an assembled structure of the laser, the laser mounting base, the indicator and the universal joint provided by the invention.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present invention; the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Referring to fig. 1, a surveying instrument convenient to leveling comprises a surveying instrument body 1 and a tripod bracket 2 for installing the surveying instrument body, wherein a leveling component is arranged between the surveying instrument body 1 and the tripod bracket 2.
Preferably, as shown in fig. 2, the leveling assembly includes a leveling base plate 3, an elastic supporting rod 4, a universal joint 5, a laser 6, a laser mounting seat 7 and an indicator 8, wherein:
the universal connector 5 is fixedly arranged in an inner ring at the top of the tripod bracket 2, one end of a ball head shaft of the universal connector is connected with the middle part of the leveling base plate 3, and the other end of the universal connector is fixedly connected with the laser mounting seat 7. The design makes the leveling bottom plate have a certain movable space relative to the top of the tripod bracket, and the laser mounting seat is arranged on the universal joint, when the leveling bottom plate tilts leftwards, the laser mounting seat tilts rightwards, otherwise.
As shown in fig. 3, the other end of the laser mounting seat 7 is provided with a ball head 7.1, and the end of the indicator 8 is provided with a ball head seat 8.1 rotatably connected with the ball head 7.1. The design makes the indicator and the laser mounting seat be universal rotation connection structure, the indicator always keeps vertical state under the action of its dead weight, and does not change along with the inclination of the leveling bottom plate.
Preferably, the indicator 8 is tubular, a mounting hole 7.0 for communicating the indicator 8 is provided in the laser mounting seat 7, and the laser 6 is mounted in the mounting hole 7.0. When the leveling bottom plate is in a non-horizontal state, the laser mounting seat and the indicator form a certain included angle, laser emitted by the laser is arranged on the inner wall of the indicator, the laser cannot be projected on the ground in parallel with the indicator, and the leveling bottom plate is in the non-horizontal state.
As shown in fig. 2, three elastic support rods 4 are uniformly distributed between the leveling base plate 3 and the tripod support 2, the movable ends of the elastic support rods 4 are fixedly connected with the bottom of the leveling base plate 3 through universal joints 9, and the fixed ends of the elastic support rods are fixedly connected with the top of the tripod support 2. The elastic support rods are used for supporting the leveling bottom plate, the elastic support rods are connected with the leveling bottom plate through universal joints, and the movement of the leveling bottom plate is not affected by matching with the retractility of the elastic support rods. Preferably, the elastic supporting rod 4 comprises a cylinder 4.1, a rod body 4.2, a spring 4.3 and a locking piece 4.4, wherein the rod body 4.2 is movably arranged in the cylinder 4.1, the cylinder 4.1 is embedded in the top of the tripod bracket 2, the spring 4.3 is arranged between the bottom of the cylinder and the rod body 4.2, and the locking piece 4.4 is in threaded connection with the outer side of the cylinder 4.1 and is used for locking the position of the rod body 4.2.
Preferably, as shown in fig. 3, the indicator 8 is made of transparent material, and a weight ring 10 is provided at the bottom of the indicator 8. The indicator made of transparent materials can view the projection angle of the laser relative to the indicator in real time, so that an operator can adjust the angle more quickly, the laser energy can pass through the indicator in parallel to be projected on the bottom surface, and the leveling difficulty can be reduced; the weight of the bottom of the indicator can be increased due to the arrangement of the balancing weight, and the indicator is ensured to vertically downwards move under the action of gravity.
Preferably, as shown in fig. 2 and fig. 3, the laser 6 is a laser with an internal power supply, and the laser 6 is provided with an external switch 6.1, the external switch 6.1 is arranged on the top side surface of the tripod 2, and the external switch 6.1 is electrically connected with the laser 6. The switch position of the laser is convenient for turning on the laser when in use and turning off the laser when not in use so as to save electric energy.
Further, as shown in fig. 1 or fig. 2, a plurality of handles 11 are further arranged on the periphery of the leveling base plate 3, so that the leveling base plate can be adjusted by holding the handles conveniently.
The mounting mode of the surveying instrument on the leveling bottom plate is as follows: as shown in fig. 2, a counter bore 3.0 is arranged in the center of the top of the leveling bottom plate 3, a flange screw 12 for fixing the surveying instrument body 1 is arranged in the counter bore 3.0, a locking piece 13 for locking the flange screw 12 is arranged on the side face of the counter bore 3.0, and the flange screw 12 is arranged in a screw hole in the bottom of the surveying instrument body.
Preferably, the locking member 13 includes a knob plunger 13.1 and a chuck 13.2, the chuck 13.2 is radially movably disposed on a side wall of the counter bore 3.0, the knob plunger 13.1 is screwed to an outer wall of the leveling base plate 2 relative to the chuck 13.2, and a plunger rod of the knob plunger 13.1 is rotatably connected with the chuck 13.2.
The concrete installation time is as follows: pulling out the knob plunger and rotating the knob plunger by an angle to enable the chuck to enter the counter bore and keep the position, then placing the surveying instrument body provided with the flange screw in the counter bore of the leveling bottom plate, resetting the knob plunger, enabling the chuck to clamp the flange screw under the action of the spring in the knob plunger, and completing the installation and fixation of the surveying instrument body.
The surveying instrument levels according to the following steps:
step S1, unfolding a tripod bracket with a leveling assembly, and adjusting the length of each supporting leg according to the terrain to enable the leveling bottom plate to be approximately horizontal;
step S2, pulling out the knob plunger and rotating the knob plunger by an angle to enable the clamping head to enter the counter bore and keep the position, then placing the surveying instrument body provided with the flange screw in the counter bore of the leveling bottom plate, resetting the knob plunger to enable the clamping head to clamp the flange screw under the action of the spring in the knob plunger, and completing the installation and fixation of the surveying instrument body;
step S3, the laser is turned on, and the leveling base plate is adjusted, so that laser emitted by the laser can be smoothly projected on the bottom surface through the indicator;
s4, locking the elastic support rods to ensure the position of the leveling base plate;
and S5, finely adjusting the surveying instrument by using a level meter on the surveying instrument body.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.

Claims (8)

1. The utility model provides a surveying instrument convenient to leveling, includes the surveying instrument body and is used for installing the tripod of surveying instrument body; the method is characterized in that: a leveling component is arranged between the surveying instrument body and the tripod bracket;
the leveling assembly comprises a leveling bottom plate, an elastic supporting rod, universal connectors, a laser mounting seat and an indicator, wherein the universal connectors are fixedly arranged in an inner ring at the top of a tripod, one end of a ball head shaft of each universal connector is connected with the middle part of the leveling bottom plate, the other end of each universal connector is fixedly connected with the laser mounting seat, the other end of each laser mounting seat is provided with a ball head, the end part of each indicator is provided with a ball head seat rotationally connected with the ball head, the indicator is tubular, the laser mounting seat is internally provided with mounting holes for communicating the indicator, the laser is arranged in the mounting holes, the three elastic supporting rods are uniformly distributed between the leveling bottom plate and the tripod, and the movable ends of the elastic supporting rods are fixedly connected with the bottom of the leveling bottom plate through the universal connectors and the tops of the tripod are fixedly connected with the fixed ends of the tripod.
2. The leveling-facilitated surveying instrument according to claim 1, wherein: the elastic support rod comprises a cylinder body, a rod body, a spring and a locking piece, wherein the rod body is movably arranged in the cylinder body, the cylinder body is embedded in the top of the tripod, the spring is arranged between the bottom of the cylinder and the rod body, and the locking piece is in threaded connection with the outer side of the cylinder body and used for locking the position of the rod body.
3. The leveling-facilitated surveying instrument according to claim 1, wherein: the indicator is made of transparent materials, and a counterweight ring is arranged at the bottom of the indicator.
4. The leveling-facilitated surveying instrument according to claim 1, wherein: the laser adopts a laser with an internal power supply, the laser is provided with an external switch, the external switch is arranged on the side surface of the top of the tripod, and the external switch is electrically connected with the laser.
5. The leveling-facilitated surveying instrument according to claim 1, wherein: the periphery of the leveling bottom plate is also provided with a plurality of handles, so that the leveling bottom plate can be conveniently adjusted by holding the handles.
6. The leveling facilitating mapping instrument of any of claims 1 to 5, wherein: the leveling device is characterized in that a counter bore is formed in the center of the top of the leveling bottom plate, a flange screw used for fixing the surveying instrument body is arranged in the counter bore, a locking piece used for locking the flange screw is arranged on the side face of the counter bore, and the flange screw is installed in a screw hole in the bottom of the surveying instrument body.
7. The leveling-facilitated surveying instrument according to claim 6, wherein: the locking piece comprises a knob plunger and a clamping head, the clamping head is radially movably arranged on the side wall of the counter bore, the knob plunger is in threaded connection with the outer wall of the leveling bottom plate relative to the clamping head, and a plunger rod of the knob plunger is rotationally connected with the clamping head.
8. A leveling method of a surveying instrument is characterized by comprising the following steps of: the surveying instrument adopts the surveying instrument of claim 7, and the leveling of the surveying instrument body is performed according to the following steps:
step S1, unfolding a tripod bracket with a leveling assembly, and adjusting the length of each supporting leg according to the terrain to enable the leveling bottom plate to be approximately horizontal;
step S2, pulling out the knob plunger and rotating the knob plunger by an angle to enable the clamping head to enter the counter bore and keep the position, then placing the surveying instrument body provided with the flange screw in the counter bore of the leveling bottom plate, resetting the knob plunger to enable the clamping head to clamp the flange screw under the action of the spring in the knob plunger, and completing the installation and fixation of the surveying instrument body;
step S3, the laser is turned on, and the leveling base plate is adjusted, so that laser emitted by the laser can be smoothly projected on the bottom surface through the indicator;
s4, locking the elastic support rods to ensure the position of the leveling base plate;
and S5, finely adjusting the surveying instrument by using a level meter on the surveying instrument body.
CN202311384660.XA 2023-10-24 2023-10-24 Surveying and plotting instrument that is easy to level and its leveling method Pending CN117469543A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311384660.XA CN117469543A (en) 2023-10-24 2023-10-24 Surveying and plotting instrument that is easy to level and its leveling method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311384660.XA CN117469543A (en) 2023-10-24 2023-10-24 Surveying and plotting instrument that is easy to level and its leveling method

Publications (1)

Publication Number Publication Date
CN117469543A true CN117469543A (en) 2024-01-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118463947A (en) * 2024-06-19 2024-08-09 临沂市罗庄区自然资源局 Land engineering survey and drawing device

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Publication number Priority date Publication date Assignee Title
JP2015010869A (en) * 2013-06-27 2015-01-19 株式会社ニコン・トリンブル Measurement pinhole pedestal
CN104454860A (en) * 2014-12-05 2015-03-25 重庆顺吉机械制造有限公司 Elastically-positioning nut structure
CN108896032A (en) * 2018-09-13 2018-11-27 江苏又城智能科技有限公司 A kind of engineering detecting line laser line marker with Level tune function
CN208588378U (en) * 2018-07-21 2019-03-08 深圳市中正测绘科技有限公司 total station
CN211475392U (en) * 2019-11-25 2020-09-11 四川德阳中地测绘规划有限公司 Instrument support levelling mechanism for land surveying and mapping
CN212363218U (en) * 2020-04-29 2021-01-15 重庆极地蓝光测绘有限公司 Telescopic surveying and mapping sighting rod
CN215930909U (en) * 2021-10-12 2022-03-01 李文娟 Novel measuring apparatu for civil engineering
CN217684205U (en) * 2022-07-23 2022-10-28 王勇 Surveying instrument support convenient to leveling

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015010869A (en) * 2013-06-27 2015-01-19 株式会社ニコン・トリンブル Measurement pinhole pedestal
CN104454860A (en) * 2014-12-05 2015-03-25 重庆顺吉机械制造有限公司 Elastically-positioning nut structure
CN208588378U (en) * 2018-07-21 2019-03-08 深圳市中正测绘科技有限公司 total station
CN108896032A (en) * 2018-09-13 2018-11-27 江苏又城智能科技有限公司 A kind of engineering detecting line laser line marker with Level tune function
CN211475392U (en) * 2019-11-25 2020-09-11 四川德阳中地测绘规划有限公司 Instrument support levelling mechanism for land surveying and mapping
CN212363218U (en) * 2020-04-29 2021-01-15 重庆极地蓝光测绘有限公司 Telescopic surveying and mapping sighting rod
CN215930909U (en) * 2021-10-12 2022-03-01 李文娟 Novel measuring apparatu for civil engineering
CN217684205U (en) * 2022-07-23 2022-10-28 王勇 Surveying instrument support convenient to leveling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118463947A (en) * 2024-06-19 2024-08-09 临沂市罗庄区自然资源局 Land engineering survey and drawing device

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