CN115615396B - Land measuring instrument for land management - Google Patents
Land measuring instrument for land management Download PDFInfo
- Publication number
- CN115615396B CN115615396B CN202211629018.9A CN202211629018A CN115615396B CN 115615396 B CN115615396 B CN 115615396B CN 202211629018 A CN202211629018 A CN 202211629018A CN 115615396 B CN115615396 B CN 115615396B
- Authority
- CN
- China
- Prior art keywords
- main shaft
- land
- assembled
- sliding
- wheel
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a land measuring instrument for land management, which belongs to the technical field of measuring equipment and comprises a main shaft body, a beam frame assembly, a driven wheel assembly and a variable diameter wheel assembly, wherein the beam frame assembly comprises an upper beam frame, a lower beam frame and a rotating arm, the upper beam frame is rotatably assembled on the main shaft body, the rotating arms are rotatably assembled at two ends of the upper beam frame, the lower beam frame is fixedly connected with the rotating arms through a main shaft rod, the driven wheel assembly comprises a wheel main body and a sliding disc, a plurality of rotary teeth are distributed at one end of the wheel main body, the sliding disc is slidably assembled at the other end of the wheel main body, and the variable diameter wheel assembly is assembled on the wheel main body and is linked with the rotary teeth.
Description
Technical Field
The invention belongs to the technical field of measuring equipment, and particularly relates to a land measuring instrument for land management.
Background
Land management refers to the long-term arrangement of reasonable use of land in a certain area according to the prospect and the requirement of economic development, and aims to ensure that the land utilization can meet the development requirement. Land management and planning firstly requires land measurement, and the land measurement comprises methods such as common measurement, remote sensing measurement, geodetic measurement, map compilation and the like.
When carrying out land survey in the open air, survey crew often can use marker pole or portable measuring apparatu to carry out data measurement, most measuring apparatu such as GPS measuring apparatu that sell on the market all need encircle can obtain accurate data after the land that awaits measuring, to some landform environment complicacy terrains, for example, have a large amount of domatic landform environment, ordinary measuring apparatu car frame is very easily taken place the landing and is emptyd when moving on domatic, and the user need constantly revise the orbit of advancing in addition, can consume a large amount of efforts.
Disclosure of Invention
In view of the defects in the prior art, an object of the embodiments of the present invention is to provide a land measuring instrument for land management, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a land measuring instrument for land management comprises a main shaft member, wherein the main shaft member comprises a main shaft body and a movable frame, the movable frame is assembled on the main shaft body in an elastic sliding manner, a roller is assembled on the movable frame, a driving disc is assembled and connected to one side of the roller, a driving disc is further distributed at one end of the movable frame, the driving disc is in linkage connection with the driving disc, a driven disc is further distributed at one end of the main shaft body, and the driven disc is in linkage connection with the driving disc;
the beam frame assembly comprises an upper beam frame, a lower beam frame, main shaft rods and rotating arms, wherein the upper beam frame is rotatably assembled on the main shaft body, the rotating arms are rotatably assembled at two ends of the upper beam frame, the main shaft rods are rotatably assembled at two ends of the lower beam frame, and the tail ends of the main shaft rods are fixedly connected with the rotating arms;
the driven wheel set comprises a wheel main body, a shaft sleeve, rotary teeth and a sliding disc, wherein the shaft sleeve is fixedly arranged in the middle of the wheel main body, the shaft sleeve is rotatably connected with the main shaft rod, a plurality of rotary teeth are circumferentially arranged on the wheel main body, a driving gear is assembled on one side of each rotary tooth, the sliding disc is also assembled on the other end of the wheel main body in a sliding manner, a plurality of driving racks are fixedly assembled at one end of the sliding disc, and the driving racks are arranged towards one side of the rotary teeth and meshed with the driving gear;
the variable diameter wheel assembly comprises a rotating shaft and a rolling plate, the rotating shaft is circumferentially and rotatably assembled on the wheel main body, one end of the rotating shaft is meshed with the rotary teeth, and the other end of the rotating shaft is fixedly connected with the rolling plate; and
and the marking member is movably arranged on the main shaft body, is linked with the upper beam frame and is used for measuring the rotating angle between the main shaft body and the upper beam frame.
As a further scheme of the invention, a tensioning mechanism is further arranged between the driving disc and the driven disc, the tensioning mechanism comprises a shaft lever seat, a sliding rod and a tensioning wheel, the sliding rod is elastically assembled on two sides of the shaft lever seat in a sliding manner, the tensioning wheel is rotatably assembled on the sliding rod, and a limiting strip is further arranged at one end of the tensioning wheel.
As a further scheme of the invention, the beam frame assembly further comprises a tail rod and a ball shaft, the tail rod is rotatably arranged at the tail end of the upper beam frame, the ball shaft is further arranged at the other end of the tail rod, and the ball shaft is in linkage connection with the sliding disc and used for controlling the sliding of the sliding disc.
As a further scheme of the invention, the beam frame assembly further comprises an arc toothed edge, the marking member comprises a paper tube and a sliding part, the paper tube is rotatably assembled on one side of the main shaft body and is linked with the driven disc, the sliding part is slidably arranged on one side of the main shaft body and is linked with the arc toothed edge, and a reticle pen is elastically assembled at the tail end of the sliding part.
As a further scheme of the invention, the sliding disc is elastically and slidably assembled at one end of the wheel main body, the number of the driving racks is matched with the number of the rotary teeth, and the number of the rotary teeth is matched with the number of the rotating shafts.
As a further scheme of the invention, the roller and the driven wheel set are arranged in a staggered mode.
As a further scheme of the invention, the surface of the rolling plate is also provided with anti-skid grains, and the arrangement direction of the anti-skid grains is matched with the rotation direction of the rolling plate.
In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:
according to the invention, by rotating the upper beam frame arranged on the main shaft body and the wheel main bodies assembled at two ends of the upper beam frame, the measuring instrument has a better anti-tipping function when moving at a land side slope, the tipping caused by gravity center deviation is effectively avoided, meanwhile, the inclination angle change of the side slope can be recorded in real time in the moving process, and the complicated manual measurement steps are omitted.
Drawings
Fig. 1 is a schematic structural view of a land survey meter for land management provided in an embodiment of the present invention.
Fig. 2 is a schematic structural view of a main shaft member in the land measuring instrument for land management provided in an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of the illustration mark a in fig. 2.
Fig. 4 is a schematic structural view of a tensioning mechanism in a land measuring instrument for land management provided in an embodiment of the present invention.
Fig. 5 is a schematic perspective view of a wheel body in a land measuring instrument for land management according to an embodiment of the present invention.
Reference numerals: 1-main shaft component, 101-main shaft body, 102-movable frame, 103-rolling wheel, 104-driving disc, 105-driving disc, 106-driven disc, 2-beam frame component, 201-beam frame, 202-beam frame, 203-arc tooth edge, 204-tail rod, 205-ball shaft, 206-main shaft rod, 207-rotating arm, 3-driven wheel group, 301-wheel main body, 302-shaft sleeve, 303-rotating tooth, 304-driving gear, 305-sliding disc, 306-driving rack, 307-ring sleeve, 4-variable diameter wheel component, 401-rotating shaft, 402-rolling plate, 403-anti-slip pattern, 5-marking component, 501-paper cylinder, 502-sliding piece, 503-marking pen, 6-tensioning mechanism, 601-shaft rod seat, 602-sliding rod, 603-tensioning wheel and 604-limiting strip.
Detailed Description
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 5, the land measuring instrument for land management in an embodiment of the present invention includes a main shaft member 1, where the main shaft member 1 includes a main shaft body 101 and a movable frame 102, the main shaft body 101 is elastically and slidably assembled with the movable frame 102, the movable frame 102 is assembled with a roller 103, one side of the roller 103 is assembled and connected with a driving disc 104, one end of the movable frame 102 is further provided with a driving disc 105, the driving disc 105 is linked and connected with the driving disc 104, one end of the main shaft body 101 is further provided with a driven disc 106, and the driven disc 106 is linked and connected with the driving disc 105; the beam frame assembly 2 comprises an upper beam frame 201, a lower beam frame 202, a main shaft rod 206 and a rotating arm 207, wherein the upper beam frame 201 is rotatably assembled on the main shaft body 101, the rotating arm 207 is rotatably assembled at two ends of the upper beam frame 201, the main shaft rod 206 is rotatably assembled at two ends of the lower beam frame 202, and the tail end of the main shaft rod 206 is fixedly connected with the rotating arm 207; the driven wheel set 3 comprises a wheel main body 301, a shaft sleeve 302, rotary teeth 303 and a sliding disc 305, the shaft sleeve 302 is fixedly distributed in the middle of the wheel main body 301, the shaft sleeve 302 is rotatably connected with the spindle rod 206, a plurality of rotary teeth 303 are further circumferentially distributed on the wheel main body 301, a driving gear 304 is assembled on one side of each rotary tooth 303, the sliding disc 305 is further slidably assembled on the other end of the wheel main body 301, a plurality of driving racks 306 are fixedly assembled at one end of each sliding disc 305, and the driving racks 306 are arranged towards one side of the rotary teeth 303 and meshed with the driving gear 304; the diameter-changing wheel assembly 4 comprises a rotating shaft 401 and a rolling plate 402, the rotating shaft 401 is circumferentially and rotatably assembled on the wheel main body 301, one end of the rotating shaft 401 is meshed with the rotary teeth 303, and the other end of the rotating shaft 401 is fixedly connected with the rolling plate 402; the marking member 5 is movably arranged on the main shaft body 101, is linked with the upper beam frame 201, and is used for measuring the rotation angle between the main shaft body 101 and the upper beam frame 201; the beam frame assembly 2 further comprises a tail rod 204 and a ball shaft 205, the tail rod 204 is rotatably arranged at the tail end of the upper beam frame 201, the ball shaft 205 is further arranged at the other end of the tail rod 204, the ball shaft 205 is connected with the sliding disc 305 in a linkage mode, and the ball shaft 205 is connected with a ring sleeve 307 on one side of the sliding disc 305 in a sliding mode and used for controlling the sliding of the sliding disc 305.
In practical application of the present embodiment, when the measuring instrument is used for land planning, in the measuring instrument, the upper beam frame 201 is rotatably assembled on the main shaft body 101, the upper beam frame 201 and the lower beam frame 202 are rotatably connected through the main shaft rod 206 and the rotating arm 207, and the main shaft rod 206 and the rotating arm 207 are fixedly connected, so that the upper beam frame 201 and the lower beam frame 202 are parallel to each other, thereby forming a parallelogram motion structure, and since one end of the upper beam frame 201 is rotatably assembled on the main shaft body 101, when the measuring instrument is moved on a slope surface of a land, the main shaft rod 206 is rotatably sleeved with the shaft sleeve 302, and a plurality of diameter-changing wheel assemblies 4 are circumferentially assembled on the outer side of the wheel main body 301, the wheel main body 301 rolls on the ground through the diameter-changing wheel assemblies 4, and then rotates the upper beam frame 201 obliquely relative to the main shaft body 101, so that the rotating arm 207 rotatably suspended at the end of the upper beam frame 201 rotates relative to the upper beam frame 201, in this process, the main shaft rod 206 fixedly assembled at the end of the rotating arm 207 and the driven wheel set 3 rotatably assembled on the main shaft rod 206 are rotated relative to the upper beam frame 201, so that the tail rod 204 with one end connected to the end of the upper beam frame 201 can adjust the sliding of the sliding disk 305 through the other end, and when the sliding disk 305 slides on one side of the wheel main body 301, a plurality of driving racks 306 assembled at one end thereof can be meshed with the driving gear 304, thereby controlling the rotation of the rotary teeth 303, and the rotary shaft 401 is driven to rotate by the rotation of the rotary teeth 303, so that a plurality of rotary shafts 401 arranged outside the wheel main body 301 are all inclined towards the same side, and when the rotary shafts are inclined, the rolling plate 402 can be attached to the inclined slope surface, thereby increasing the friction force with the ground, and keeping the main shaft body 101 in a vertical standing state all the time during the movement, the device can be matched with measuring equipment to complete GPS positioning, set up operation contents such as a calibration point and the like, simultaneously, the gravity center of the measuring instrument is always kept stable, compared with a conventional wheel-driven measuring instrument, the device is not easy to tip over when moving on a slope surface, meanwhile, the slope inclination angle can be measured by utilizing the rotation of the upper beam frame 201, the slope inclination angle change is continuously recorded in the moving process, and the complex steps of manual measurement are omitted.
In one aspect of this embodiment, the measuring instrument can be driven by an external push rod or pull rod, and the specific installation position of the push rod is not limited herein.
Referring to fig. 1, in a preferred embodiment of the present invention, a tensioning mechanism 6 is further disposed between the driving disc 105 and the driven disc 106, the tensioning mechanism 6 includes a shaft seat 601, a sliding rod 602, and a tensioning wheel 603, the sliding rod 602 is elastically and slidably mounted on two sides of the shaft seat 601, the tensioning wheel 603 is rotatably mounted on the sliding rod 602, and a limiting strip 604 is further disposed on one end of the tensioning wheel 603.
In practical application, because the movable frame 102 is elastically slidably assembled to the main shaft body 101, when the movable frame moves on a slope surface, the roller 103 on the movable frame 102 is elastically pressed on the ground, and the driving disc 105 is driven to rotate by the driving disc 104 in the rotating process, the driving disc 105 and the driven disc 106 are in belt transmission by default, and because the distance between the driving disc 105 and the driven disc 106 is in the dynamic change process, the tensioning mechanism 6 is additionally arranged to compensate the difference of dynamic change, the sliding rods 602 at the two ends of the shaft rod seat 601 and the tensioning wheels 603 are respectively assembled at the two ends of the belt, and the belt is pressed on one side of the tensioning wheels 603 by the limiting strips 604, so that the belt is always in a tensioned state, and the driven disc 106 and the driving disc 105 rotate synchronously.
Referring to fig. 2, in a preferred embodiment of the present invention, the beam assembly 2 further includes a curved toothed edge 203, the marking member 5 includes a paper tube 501 and a sliding member 502, the paper tube 501 is rotatably mounted on one side of the main shaft body 101 and is linked with the driven disc 106, the sliding member 502 is slidably disposed on one side of the main shaft body 101 and is linked with the curved toothed edge 203, and a pen line 503 is further elastically mounted at a distal end of the sliding member 502.
In practical application of the embodiment, the upper frame 201 can drive the sliding member 502 to slide through the arc toothed edge 203 when the upper frame is inclined, and during the sliding process of the sliding member 502, the marking pen 503 at the end of the sliding member can record the change of the inclination angle on the paper tube 501, so that the measured inclination angle of the slope is recorded on the paper tube 501, and the position of the midpoint of the paper tube 501 is the default horizontal initial point.
In one case of this embodiment, the rotation speed of the paper tube 501 can be controlled by adjusting the radius of the driven disc 106, thereby adjusting the transmission ratio between the driving disc 104 and the paper tube 501.
Referring to fig. 3, in a preferred embodiment of the present invention, the sliding plate 305 is elastically and slidably mounted at one end of the wheel main body 301, and the number of the driving racks 306 is matched with the number of the turning teeth 303, and the number of the turning teeth 303 is matched with the number of the rotating shafts 401.
In practical application, the sliding plate 305 is elastically and slidably mounted at one end of the wheel main body 301, so that when the upper beam frame 201 is returned to the initial vertical state relative to the main shaft body 101 during movement on a flat ground, the sliding plate 305 can be returned to the initial position to balance the spring forces on the two sides of the sliding plate 305, and the rotating shaft 401 can follow the sliding plate 305 to rotate the rolling plate 402 to be parallel to the outer edge of the wheel main body 301, so that the rolling plate can move on the flat ground.
Referring to fig. 2, in a preferred embodiment of the present invention, the roller 103 and the driven wheel set 3 are disposed in a staggered manner.
This embodiment is when practical application, dislocation set between gyro wheel 103 and the driven wheelset 3, and because two sets of driven wheelset 3 mirror image assembly in last roof beam 201 and lower roof beam 202 both ends, consequently gyro wheel 103 and two sets of driven wheelset 3 can constitute the wheel bearing structure of triangle-shaped, have increased the stability of supporting, still can prevent the tipping that leads to because of the focus deflection when moving on domatic simultaneously.
Referring to fig. 3, in a preferred embodiment of the present invention, the surface of the rolling plate 402 is further provided with anti-slip threads 403, and the arrangement direction of the anti-slip threads 403 matches with the rotation direction of the rolling plate 402.
In practical applications, the rolling plate 402 may have anti-skid lines 403 on its surface for increasing the friction between the rolling plate 402 and the ground, so as to increase the stability of the rolling plate during movement on a slope.
The land measuring instrument for land management is provided in the above embodiment of the invention, and by rotating the upper beam frame 201 arranged on the main shaft body 101 and the wheel main bodies 301 assembled at two ends of the upper beam frame 201, the land measuring instrument has a better anti-tipping function when moving at a land side slope, thereby effectively avoiding tipping caused by gravity center deviation, simultaneously recording the change of the inclination angle of the side slope in real time during the movement process, and omitting the complicated steps of manual measurement.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A land measuring instrument for land management, characterized in that it comprises:
the main shaft component comprises a main shaft body and a movable frame, wherein the movable frame is assembled on the main shaft body in an elastic sliding manner, a roller is assembled on the movable frame, a driving disc is assembled and connected to one side of the roller, a driving disc is further distributed at one end of the movable frame, the driving disc is connected with the driving disc in a linkage manner, a driven disc is further distributed at one end of the main shaft body, and the driven disc is connected with the driving disc in a linkage manner;
the beam frame assembly comprises an upper beam frame, a lower beam frame, a main shaft rod and a rotating arm, wherein the upper beam frame is rotatably assembled on the main shaft body, the rotating arms are rotatably assembled at two ends of the upper beam frame, the main shaft rod is rotatably assembled at two ends of the lower beam frame, and the tail end of the main shaft rod is fixedly connected with the rotating arms;
the driven wheel set comprises a wheel main body, a shaft sleeve, rotary teeth and a sliding disc, wherein the shaft sleeve is fixedly arranged in the middle of the wheel main body, the shaft sleeve is rotatably connected with the main shaft rod, a plurality of rotary teeth are circumferentially arranged on the wheel main body, a driving gear is assembled on one side of each rotary tooth, the sliding disc is also assembled on the other end of the wheel main body in a sliding manner, a plurality of driving racks are fixedly assembled at one end of the sliding disc, and the driving racks are arranged towards one side of the rotary teeth and meshed with the driving gear;
the variable-diameter wheel assembly comprises a rotating shaft and a rolling plate, the rotating shaft is circumferentially and rotatably assembled on the wheel main body, one end of the rotating shaft is meshed with the rotary teeth, and the other end of the rotating shaft is fixedly connected with the rolling plate; and
and the marking member is movably arranged on the main shaft body, is linked with the upper beam frame and is used for measuring the rotating angle between the main shaft body and the upper beam frame.
2. A land measuring instrument for land management as claimed in claim 1, wherein a tensioning mechanism is further disposed between the driving disc and the driven disc, the tensioning mechanism comprises a shaft seat, a sliding rod and a tensioning wheel, the sliding rod is elastically and slidably assembled on both sides of the shaft seat, the tensioning wheel is rotatably assembled on the sliding rod, and a limit strip is further disposed on one end of the tensioning wheel.
3. A land measuring instrument for land management as claimed in claim 1, wherein said beam assembly further comprises a tail rod and a ball axle, said tail rod is rotatably disposed at the end of said beam-mounting frame, and said other end of said tail rod is further disposed with a ball axle, said ball axle is linked with said sliding disk for controlling the sliding of said sliding disk.
4. A land measuring instrument for land management as claimed in claim 1, wherein said beam assembly further comprises a curvilinear edge, said marking means comprises a paper tube rotatably mounted on one side of said main shaft and interlockingly engaged with said driven disc, and a slider slidably disposed on one side of said main shaft and interlockingly engaged with said curvilinear edge, and said slider is further resiliently fitted at its distal end with a reticle pen.
5. A land measuring instrument for land management as claimed in claim 1, wherein said sliding disk is elastically slidably fitted to one end of the wheel main body, and the number of said driving racks is set to match the number of said turning teeth, which are set to match the number of said rotating shafts.
6. A land measuring instrument for land management as claimed in claim 1, wherein said rollers are offset from said set of driven wheels.
7. A land measuring instrument for land management as claimed in claim 1, wherein said rolling plate surface is further provided with anti-slip patterns, the direction of arrangement of said anti-slip patterns matching the direction of rotation of said rolling plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211629018.9A CN115615396B (en) | 2022-12-19 | 2022-12-19 | Land measuring instrument for land management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211629018.9A CN115615396B (en) | 2022-12-19 | 2022-12-19 | Land measuring instrument for land management |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115615396A CN115615396A (en) | 2023-01-17 |
| CN115615396B true CN115615396B (en) | 2023-03-10 |
Family
ID=84879640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211629018.9A Active CN115615396B (en) | 2022-12-19 | 2022-12-19 | Land measuring instrument for land management |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115615396B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117848270B (en) * | 2024-03-07 | 2024-06-11 | 中铁二十二局集团第四工程有限公司 | Tunneling angle measuring device for tunnel construction |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738636A (en) * | 2022-04-12 | 2022-07-12 | 南通天正信息技术服务有限公司 | Based on portable geographical survey and drawing measuring equipment of multipurpose |
| CN115342787A (en) * | 2022-08-24 | 2022-11-15 | 王慧萌 | Portable land measuring device for land management |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6817097B2 (en) * | 2017-02-07 | 2021-01-20 | 株式会社トプコン | Surveying system |
| DE102018118293A1 (en) * | 2018-07-27 | 2020-01-30 | Dekra Automobil Gmbh | Surface measurement device and method for a headlamp test bench |
| CN212674134U (en) * | 2020-09-08 | 2021-03-09 | 周振华 | Slope measuring equipment for road supervision |
| CN215952520U (en) * | 2021-09-22 | 2022-03-04 | 徐超 | Land area measuring equipment for homeland resources |
-
2022
- 2022-12-19 CN CN202211629018.9A patent/CN115615396B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738636A (en) * | 2022-04-12 | 2022-07-12 | 南通天正信息技术服务有限公司 | Based on portable geographical survey and drawing measuring equipment of multipurpose |
| CN115342787A (en) * | 2022-08-24 | 2022-11-15 | 王慧萌 | Portable land measuring device for land management |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115615396A (en) | 2023-01-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115615396B (en) | Land measuring instrument for land management | |
| CN206891327U (en) | Level detection recorder | |
| EP0457887A1 (en) | True end to end electronic saddle micrometer | |
| CN108680465A (en) | A kind of material surface liquid rolling angle measuring device | |
| Thomson | III. On an integrating machine having a new kinematic principle | |
| CN110260881B (en) | Floating type spiral walking mileage metering device | |
| CN216869554U (en) | Measuring instrument with good stability performance for territorial space planning | |
| CN207866245U (en) | A kind of project cost measuring scale | |
| CN205898063U (en) | Gesture adjustable laser guide device and error test equipment | |
| US3566477A (en) | Measuring instrument | |
| KR100336535B1 (en) | Geometry Coordinate Generator | |
| WO1993014367A3 (en) | Metrological apparatus | |
| CN110435440B (en) | Linear motion control method based on omnidirectional wheel | |
| US3069904A (en) | Means for sensing roughness of a roadway surface | |
| US1200702A (en) | Surveying-machine. | |
| US3500544A (en) | Ellipsograph | |
| CN221593737U (en) | Topography measuring device is used in homeland planning | |
| CN212929417U (en) | Land space planning terrain measuring device | |
| CN217505612U (en) | Polycrystalline diamond anvil cell capable of realizing optical test | |
| CN220303298U (en) | Novel portable surveying instrument for surveying and mapping | |
| CN219178449U (en) | Lighting pile position interval measuring instrument | |
| CN216848101U (en) | Three-axis magnetic measurement calibration holder device of magnetometer | |
| JP2585523Y2 (en) | Rotary axis indexing device that also measures the length of the rolling track displayed on the surface of the bowling ball | |
| CN221897486U (en) | Multifunctional building construction mapping device | |
| US3751811A (en) | Measuring device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |