CN206875082U - The portable leg of mapping - Google Patents
The portable leg of mapping Download PDFInfo
- Publication number
- CN206875082U CN206875082U CN201720819407.6U CN201720819407U CN206875082U CN 206875082 U CN206875082 U CN 206875082U CN 201720819407 U CN201720819407 U CN 201720819407U CN 206875082 U CN206875082 U CN 206875082U
- Authority
- CN
- China
- Prior art keywords
- lower fulcrum
- fulcrum bar
- locating piece
- bar
- support base
- 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.)
- Expired - Fee Related
Links
Landscapes
- Gates (AREA)
Abstract
This patent application discloses mapping with portable leg, including support base and the pole for supporting support base is connected with support base；The pole is three；Each pole includes the upper rack posts being connected with support base and the lower fulcrum bar with the be hinged locking of upper rack posts；Lower fulcrum bar can flip over to be folded to be closed up with upper rack posts；The lower fulcrum bar is hollow columnar structures；Lower fulcrum bar internal thread is connected with can be to the pilot pin for stretching out lower fulcrum bar；The external part of the pilot pin is sharp end；The side wall of the lower fulcrum bar is provided with the knob for being used for making pilot pin stretch out or take in lower fulcrum bar.The application is easy to carry and fast positioning.
Description
Technical field
It the utility model is related to survey field, and in particular to the portable leg of one kind mapping.
Background technology
Geographical mapping work is a very arduous job, not only needs mapping worker to cross over mountain after mountain to find appropriate survey
Paint position, it is also necessary to overcome various geographic basis accurately to carry out DATA REASONING on each mapped positions.Since it is desired that mapping
Geographical environment is different, and the surface state of the mapped positions accordingly found also just differs greatly, such as：Some ground is relatively more flat
It is smooth, it is easy to the placement of mapping equipment, some ground line gradients are larger or uneven, are unfavorable for mapping equipment placement；Some ground
Face smoother, it is unfavorable for mapping equipment positioning.In order that mapping equipment has an adjustable mapped point, also for avoiding one
As geographical environment shelter from mapping equipment, mapping equipment is all typically supported using mapping leg.So, it can be not only mapping
Equipment provides a stable environment placed, and avoids mapping equipment from directly being contacted with ground, damages mapping equipment；Can also by by means of
Helping the height of mapping leg makes the mapping equipment reach a unobstructed mapping visual angle, so as to get surveying and mapping data it is more accurate
Really.
Existing mapping leg generally comprises the support base for placing mapping equipment and four for being connected with support base
Individual pole.However, it is existing mapping leg can only typically be placed on flatter ground, can not be directly placed at the gradient it is larger or
On person's broken terrain.If run into, the gradient is larger or broken terrain, it is also necessary to by the weights such as stone come
Extra support, positioning are carried out to pole, just mapping leg can be made steadily to be placed on the position of positioning.So operate very
Trouble, because being unable to fast positioning, for the more complicated place of geographical environment, each it may be required for extra wave by mapped positions
Take the operating time of mapping worker, great inconvenience is brought to whole mapping operations.
Utility model content
The utility model is intended to provide a kind of mapping portable leg, and asking for fast positioning is unable to solve existing leg
Topic.
To solve problem above, there is provided following scheme：
Scheme one：The portable leg of mapping in this programme, including support base and be connected with support base for supporting support
The pole of seat；The pole is three；Each pole includes the upper rack posts being connected with support base and is hinged locking with upper rack posts
Lower fulcrum bar；Lower fulcrum bar can flip over to be folded to be closed up with upper rack posts；The lower fulcrum bar is hollow columnar structures；In lower fulcrum bar
The pilot pin of lower fulcrum bar can be extended downwardly from by being threaded with；The external part of the pilot pin is sharp end；The side of the lower fulcrum bar
Wall is provided with the knob for being used for making pilot pin stretch out or take in lower fulcrum bar.
Explanation of nouns：
Outwards：Refer to the direction away from three pole centre positions.
Downwards：Refer to the direction towards ground.
Working principle and beneficial effect：
In use, directly related mapping equipment is placed on support base, then open three poles, now lower fulcrum bar and
Upper rack posts connection plays a supportive role, and uses the conventional meanses in embodiment such as to lock upper rack posts and lower fulcrum bar.Make three poles
Support the mapping equipment that support base and support base are placed above.Turning knob, pilot pin is stretched out lower fulcrum bar, quickly put in
It is fixed in the soil of lower fulcrum bar contact, make no matter on the great ground of gradient, mapping can be made with portable leg quickly to be entered
Row is positioned and fixed.After mapping, mapping equipment is removed from support base.By turning knob, pilot pin is taken in
In lower fulcrum bar, flip over and move lower fulcrum bar, close up lower fulcrum bar and upper rack posts, one is collapsed into portable leg by entirely surveying and drawing
Individual volume diminishes, portable folding apparatus.
The utility model supports support base using three poles, and it is true to take full advantage of three points not on the same line
The principle of a fixed plane, pole is reduced the quantity of pole on the premise of it can stablize support support base, reduce whole survey
Paint the overall weight with portable leg.
Upper rack posts and lower fulcrum bar are mutually hinged, and lower fulcrum bar can be flipped over to be folded to and closed up with upper rack posts, make branch
Bar and lower fulcrum bar can be combined into a complete pole, and for supporting support base, and can is carrying, transporting the portable branch of mapping
When pin, one is bundled into after three poles are separately folded, make entirely to survey and draw becomes smaller with the volume of portable leg, more
Add and be easy to carry and transport.
Lower fulcrum bar is arranged to hollow columnar structures, the pilot pin of extended lower fulcrum bar, lower branch are threadedly coupled in lower fulcrum bar
The side wall of bar is provided with the knob for being used for making pilot pin stretch out or take in lower fulcrum bar, makes to live support base in three strut supports
When, pilot pin can be made to stretch out lower fulcrum bar by turning knob, lower fulcrum bar is positioned on the position of lower fulcrum bar now.It is because fixed
The external part of position pin be sharp end, and area is small, and the pressure formed during stretching is big, pilot pin is pierced through the soil that lower fulcrum bar contacts
Ground, pilot pin is stretched into simultaneously stickfast on the position, and then whole pole is fixed on the position that this is had good positioning.Make
The portable leg of whole mapping, no matter it is located in abrupt slope or the survey for supporting and being placed on it can be stablized on level land
Paint equipment.Control the stretching of pilot pin by knob and take in, it is easy to operate.
The utility model solve thes problems, such as that existing leg is unable to fast positioning.The utility model only needs first to
Three legs position good position, then rotate and stretch out pilot pin stickfast on soil, it is possible to realize fast positioning.
Scheme two：Further, hollow sandwich is provided with the lower fulcrum bar, is slidably connected in the hollow sandwich extended
The locating piece of lower fulcrum bar, the side wall of the lower fulcrum bar are provided with the pull bar for being used for making locating piece stretch out or take in lower fulcrum bar.
Pilot pin is general only to have effect to that soil that can be pierced through, and for hard slabstone or cement flooring, makes
Positioning action will not be not only played with pilot pin, pilot pin can also received and hits and damages energetically.At this time just need to use
Locating piece.Locating piece be equally received in lower fulcrum bar, it is necessary to using when by swinging pull bar locating piece is stretched out lower fulcrum bar, with ground
Frictional force is produced, lower fulcrum bar is fixedly positioning on current location.
Scheme three：Further, the locating piece and the contact surface on ground are provided with equally distributed projection.
By equally distributed projection, make the contact surface on locating piece and ground uneven, increase contact surface and ground
Frictional force, locating piece is set preferably to be positioned on bottom surface.
Scheme four：Further, it is connected with connecting rod between the pull bar and locating piece；The top and bottom of connecting rod respectively with drawing
Bar and locating piece are hinged；The slideway slided up and down for connecting rod is provided with the hollow sandwich；Pull bar is swung up forcing connecting rod edge
Slideway to move down.
Pull bar and connecting rod form simple linkage together, when pull bar is swung up, make the contact jaw of pull bar and connecting rod
The top of connecting rod is pushed against downwards, is forced connecting rod entirely to be moved downward along slideway, is made the bottom of connecting rod force what is be attached thereto to determine
Position block moves downward stretching lower fulcrum bar.Equally, when pull bar moves downward, the contact jaw of pull bar and connecting rod pulls connecting rod to transport upwards
Dynamic, connecting rod pulls locating piece to move upwards, and locating piece is taken in lower fulcrum bar.
Scheme five：Further, it is connected with back-moving spring between the connecting rod and locating piece.
By back-moving spring, make when locating piece is taken in into lower fulcrum bar, locating piece can be made to be collapsed with connecting rod one
Rise, to be incorporated into together in hollow sandwich.
Scheme six：Further, the brush for being used for clearing up locating piece is provided with the hollow sandwich below the slideway.
When locating piece promoted every time stretch out or be pulled take in hollow sandwich when, brush in hollow sandwich can with it is fixed
Frictional force is produced between the block of position, the debris such as the soil adhered on locating piece are brushed off, making between the projection on locating piece will not be by
Debris fills up, and ensures that locating piece can produce larger frictional force when being contacted with ground next time, plays locating piece due
Positioning action.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the structural representation of the lower fulcrum bar of the utility model embodiment.
Embodiment
The utility model is described in further detail below by embodiment：
Reference in Figure of description includes：Support base 1, upper rack posts 2, lower fulcrum bar 3, knob 4, pull bar 5, pilot pin
6th, locating piece 7, connecting rod 8, Rotational Cylindrical 9, rotary shaft 10, brush 11, plugging block 12.
Embodiment is substantially as shown in Figure 1：Mapping use portable leg, including support base 1 and with support base 1 be hinged, use
To support the three of support base 1 poles；The articulated position of three poles and the bottom surface of support base 1 is not on the same line.
Each pole includes the upper rack posts 2 being connected with support base 1 and the lower fulcrum bar 3 being hinged with upper rack posts 2；Lower fulcrum bar 3
It is located at the outside of lower fulcrum bar 3 and upper rack posts 2 with the pin joint of upper rack posts 2；The outside at the top of lower fulcrum bar and upper rack posts bottom
Outside is equipped with external screw thread, and the thread bush for being used for being locked upper rack posts and lower fulcrum bar is provided with the bottom of upper rack posts.Downwards
Thread bush is rotated, lower fulcrum bar and upper rack posts locking can be linked together, only when lower fulcrum bar has connected support with upper rack posts
Locked when effect.The bottom surface matching of the top surface and upper rack posts 2 of lower fulcrum bar 3, allows upper rack posts 2 and lower fulcrum bar 3 to form system
One pole supports support base 1.Lower fulcrum bar 3 can flip over to be folded to be closed up with upper rack posts 2；Here outside, refers to remote
The radially outwardly direction that three poles are formed.Lower fulcrum bar 3 is hollow columnar structures；Therefore, lower fulcrum bar 3 has pole wall
And hollow channel.
As shown in Fig. 2 being provided with internal thread in the hollow channel of lower fulcrum bar 3, positioning is provided with the hollow channel of lower fulcrum bar 3
Pin 6, pilot pin 6 are provided with the external screw thread to match with the internal thread on hollow channel.The internal thread of lower fulcrum bar 3 is connected with can be outside
The pilot pin 6 of stretching；The external part of pilot pin 6 is that the bottom of pilot pin 6 is sharp end, is conveniently inserted into soil；Lower fulcrum bar 3
Right side wall be provided with and be used for making pilot pin 6 stretch out or take in the knob 4 of lower fulcrum bar 3.Knob 4 is connected with through pole wall
Rotary shaft 10, right-hand member and the knob 4 of rotary shaft 10 weld, and the left end of rotary shaft 10 is welded with first angular wheel, and first
Angular wheel Vertical Meshing has the second angular wheel.Second angular wheel is welded in Rotational Cylindrical 9.The top surface of lower fulcrum bar 3 is provided with
Top plate, the bottom surface of top plate are provided with the circular groove for being rotated with Rotational Cylindrical 9 and Rotational Cylindrical 9 can not but departing from.Therefore, Rotational Cylindrical 9, which rotates, connects
It is connected among hollow channel.The lower end positioned at the lower section of the second angular wheel for Rotational Cylindrical 9 of Rotational Cylindrical 9, the lower end of Rotational Cylindrical 9
External screw thread is provided with, the female blind hole of tool is provided with pilot pin 6, Rotational Cylindrical 9 is threadedly coupled with pilot pin 6.When turning knob 4
When, the rotation that knob 4 occurs is passed to the first angular wheel by rotary shaft 10, and these rotations are passed to the by the first angular wheel
Two angular wheels；Second angular wheel rotates and drives Rotational Cylindrical 9 to rotate, and Rotational Cylindrical 9 rotates, and makes to be threadedly coupled with Rotational Cylindrical 9
Pilot pin 6 rotate, produce motion upwardly or downwardly along the screw thread in hollow channel while pilot pin 6 rotates, make
Lower fulcrum bar 3 is taken in or stretched out to pilot pin 6.
Hollow sandwich, the pole that this hollow sandwich is formed on the left of hollow channel are provided with the pole wall of lower fulcrum bar 3
Wall passage.This pole wall passage can be illustrated in figure 21, or respectively positioned at the front, rear, left and right of pilot pin 6
Four pole wall passages.The centre of pole wall passage is provided with slideway, and the cross-sectional area of slideway is less than the branch that hollow sandwich is formed
The cross-sectional area of bar wall passage.
The locating piece 7 of extended lower fulcrum bar 3, locating piece 7 and ground are slidably connected in each slideway of hollow sandwich
Contact surface be locating piece 7 bottom surface be provided be evenly distributed with integrally formed projection.It can increase positioning by these projections
Block 7 and the frictional force on ground.Through the drawing having for making locating piece 7 stretch out or take in lower fulcrum bar 3 on the left side wall of lower fulcrum bar 3
Bar 5.The breach being swung up for pull bar 5 is provided with the left side wall of pole, and the left side wall of the right side of the breach and pole connects
There is the plugging block 12 for making pull bar 5 keep stationary state.Plugging block 12 is hinged on the left side wall of lower fulcrum bar 3（That is left branching rod
On wall）, plugging block 12 can inwardly overturn, and open the passage being flipped up for pull bar 5.The lateral surface of plugging block 12 scribbles rubber
Layer, to increase the frictional force between plugging block 12 and pull bar 5, enables the preferably positioning tie bar 5 of plugging block 12.
Pilot pin 6 is general only to have effect to that soil that can be pierced through, and for hard slabstone or cement flooring, makes
Positioning action will not be not only played with pilot pin 6, pilot pin 6 can also received and hits and damages energetically.For harder and
The bottom surface of bad puncture is, it is necessary to use locating piece 7.Locating piece 7 is equally received in lower fulcrum bar 3, it is necessary to be drawn when using by swinging
Bar 5 makes locating piece 7 stretch out lower fulcrum bar 3, with ground resulting in friction, lower fulcrum bar 3 is fixedly positioning on current location.
Connecting rod 8 is connected between the top surface of pull bar 5 and locating piece 7；The top and bottom of connecting rod 8 respectively with pull bar 5 and fixed
Position block 7 is be hinged；Pull bar 5 is swung up forcing connecting rod 8 to move down along slideway.
Pull bar 5 and connecting rod 8 form the simple mechanism of connecting rod 8 together, when pull bar 5 is swung up, make pull bar 5 and connecting rod 8
Contact jaw pushes against downwards the top of connecting rod 8, and making pull bar 5, the bottom of pull bar 5 is pressed downward in the presence of the left branching rod wall of lower fulcrum bar 3
The top of connecting rod 8, force connecting rod 8 entirely to be moved downward along slideway, the bottom of connecting rod 8 is forced the locating piece 7 being attached thereto
Move downward and stretch out lower fulcrum bar 3.Equally, when pull bar 5 moves downward, the contact jaw of pull bar 5 and connecting rod 8 pulls connecting rod 8 upward
Motion, connecting rod 8 pull locating piece 7 to move upwards, locating piece 7 are taken in lower fulcrum bar 3.
Back-moving spring is connected between connecting rod 8 and locating piece 7.The link position of back-moving spring and locating piece 7 is located at positioning
The link position of the non-central location of block 7, connecting rod 8 and locating piece 7 is the centre position of locating piece 7.So, company can not only be made
Bar 8 acts on the centre position of locating piece 7, locating piece 7 is kept stress balance in stress, moreover it is possible to does not act on connecting rod 8
When on locating piece 7, the spring that is reset of locating piece 7 is quickly drawn over to one's side.By back-moving spring, make locating piece 7 takeing in lower fulcrum bar 3
When, locating piece 7 can be made to be collapsed with connecting rod 8 together with, to be incorporated into together in hollow sandwich.
The brush 11 inwardly stretched radially is provided with hollow sandwich below slideway, these brushes 11 are the modeling of proper alignment
Expect runner, it is convenient to be used for clearing up locating piece 7.When locating piece 7 every time by promote stretch out or be pulled take in hollow sandwich when, in
Frictional force is produced between the meeting of brush 11 and locating piece 7 in empty interlayer, the debris such as the soil adhered on locating piece 7 are brushed off, made
It will not be filled up between projection on locating piece 7 by debris, it is larger to ensure that locating piece 7 can produce when being contacted with ground next time
Frictional force, locating piece 7 is set to play due positioning action.
In use, first directly related mapping equipment is placed on support base 1, three poles are then opened, adjust three
The position of pole, three strut supports is lived the mapping equipment that support base 1 and support base 1 are placed above, three poles are determined
Position is good.Then, turning knob 4, make pilot pin 6 stretch out lower fulcrum bar 3 inject it is fixed in the soil that lower fulcrum bar 3 contacts, make no matter
On the great ground of gradient, mapping can be made quickly to be positioned and be fixed with portable leg.
For harder ground, then first plugging block 12 inwardly being overturn, being exposed for the passage of the swing of pull bar 5.It will draw
Bar 5 is pulled up or swung, and pull bar 5 is oppressed connecting rod 8, and connecting rod 8 oppresses locating piece 7, locating piece 7 is stretched out hollow sandwich,
The bottom surface of locating piece 7 is contacted with ground, the frictional force with ground is increased by the projection on contact surface, is positioned at pole
Current location.
After mapping, mapping equipment is removed from support base 1.By turning knob 4, pilot pin 6 is taken in down
In pole 3, by rotating down or swing pull bar 5, make connecting rod 8 and the locating piece 7 for the spring gathering that is reset is taken in together
In empty interlayer.Flip over and move lower fulcrum bar 3, close up lower fulcrum bar 3 and upper rack posts 2, will entirely survey and draw and be collapsed with portable leg
Diminish into a volume, portable folding apparatus.
Above-described is only embodiment of the present utility model, and the general knowledge such as known concrete structure and characteristic is herein in scheme
Do not describe excessively, the affiliated technology neck of utility model before one skilled in the art know the applying date or priority date
All ordinary technical knowledges in domain, prior art all in the field can be known, and it is normal before the date with applying
The ability of laboratory facilities is advised, one skilled in the art can be complete with reference to self-ability under the enlightenment that the application provides
It is apt to and implements this programme, it is real that some typical known features or known method should not turn into one skilled in the art
Apply the obstacle of the application.It should be pointed out that for those skilled in the art, the premise of the utility model structure is not being departed from
Under, several modifications and improvements can also be made, these should also be considered as the scope of protection of the utility model, and these are all without influence
The effect and practical applicability that the utility model is implemented.This application claims protection domain should be with the content of its claim
It is defined, the record such as embodiment in specification can be used for the content for explaining claim.
Claims (6)
1. mapping is with portable leg, including support base and the pole for supporting support base is connected with support base；It is characterized in that：
The pole is three；Each pole includes the upper rack posts being connected with support base and the lower fulcrum bar with the be hinged locking of upper rack posts；
Lower fulcrum bar can flip over to be folded to be closed up with upper rack posts；The lower fulcrum bar is hollow columnar structures；Lower fulcrum bar internal thread connects
The pilot pin of lower fulcrum bar can be extended downwardly from by having；The external part of the pilot pin is sharp end；The side wall of the lower fulcrum bar is provided with
For making pilot pin stretch out or take in the knob of lower fulcrum bar.
2. the portable leg of mapping according to claim 1, it is characterised in that：Hollow sandwich is provided with the lower fulcrum bar,
The locating piece of extended lower fulcrum bar is slidably connected in the hollow sandwich, the side wall of the lower fulcrum bar, which is provided with, to be used for making positioning
Block stretches out or taken in the pull bar of lower fulcrum bar.
3. the portable leg of mapping according to claim 2, it is characterised in that：On the locating piece and the contact surface on ground
Provided with equally distributed projection.
4. the portable leg of mapping according to claim 2, it is characterised in that：It is connected between the pull bar and locating piece
Connecting rod；The top and bottom of connecting rod are hinged with pull bar and locating piece respectively；It is provided with the hollow sandwich and is slided up and down for connecting rod
Slideway；Pull bar is swung up forcing connecting rod to move down along slideway.
5. the portable leg of mapping according to claim 4, it is characterised in that：It is connected between the connecting rod and locating piece
Back-moving spring.
6. the portable leg of mapping according to claim 4, it is characterised in that：Set in hollow sandwich below the slideway
There is the brush for clearing up locating piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720819407.6U CN206875082U (en) | 2017-07-07 | 2017-07-07 | The portable leg of mapping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720819407.6U CN206875082U (en) | 2017-07-07 | 2017-07-07 | The portable leg of mapping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206875082U true CN206875082U (en) | 2018-01-12 |
Family
ID=61329692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720819407.6U Expired - Fee Related CN206875082U (en) | 2017-07-07 | 2017-07-07 | The portable leg of mapping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206875082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317374A (en) * | 2018-03-30 | 2018-07-24 | 绿灵鸟（苏州）信息科技有限公司 | A kind of suspension type winding displacement crossing net dot laser positioning device |
-
2017
- 2017-07-07 CN CN201720819407.6U patent/CN206875082U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317374A (en) * | 2018-03-30 | 2018-07-24 | 绿灵鸟（苏州）信息科技有限公司 | A kind of suspension type winding displacement crossing net dot laser positioning device |
| CN108317374B (en) * | 2018-03-30 | 2024-04-05 | 苏州贝佳新能源科技有限公司 | Suspension type flat cable crossing net point laser positioning device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210069382U (en) | Novel hydrogeological exploration RTK equipment fixed baseplate | |
| CN204457067U (en) | A kind of building operations special tool | |
| CN206875082U (en) | The portable leg of mapping | |
| CN211738538U (en) | Cadastral surveying and mapping equipment | |
| CN209314494U (en) | A kind of irrigation and water conservancy irrigation rig | |
| CN212228059U (en) | On-spot mapping device of building engineering cost | |
| CN205910181U (en) | Soil erosion and water loss monitor | |
| CN210741502U (en) | Fixed point marking device for geological exploration | |
| CN217174806U (en) | Foundation ditch construction support for railway engineering | |
| CN206930287U (en) | A kind of mapping tripod for being easy to regulation | |
| CN212565174U (en) | Foundation pit supporting monitoring device | |
| CN211232251U (en) | Bridge engineering bridge surveying equipment | |
| KR200458590Y1 (en) | The parasol support device for the rocks on the seashore | |
| CN107503367A (en) | A kind of ground for possessing function of seismic resistance | |
| CN208109442U (en) | A kind of roadbed testing sampler | |
| CN208330187U (en) | A kind of ground drilling machine hand propelled rack construction | |
| CN208168807U (en) | Water drilling mounting base holds moving operation structure | |
| CN215683778U (en) | Structure is planted to desertification improvement live body | |
| CN206329292U (en) | Without anchor rope workover rig | |
| CN205049144U (en) | Foldable many topography survey pin | |
| CN216087525U (en) | A digging device for soil cover | |
| CN205796424U (en) | A kind of collapsible badminton grid frame with hydraulic lift | |
| CN220453283U (en) | Fixed point marking device for mapping | |
| CN113318412B (en) | Collapsible sports martial arts education quincuncial pile who hides | |
| CN221077659U (en) | Portable special RTK centering rod for sand measurement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 Termination date: 20200707 |