CN109000628A - Convenient surveying instrument - Google Patents
Convenient surveying instrument Download PDFInfo
- Publication number
- CN109000628A CN109000628A CN201810671665.3A CN201810671665A CN109000628A CN 109000628 A CN109000628 A CN 109000628A CN 201810671665 A CN201810671665 A CN 201810671665A CN 109000628 A CN109000628 A CN 109000628A
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- CN
- China
- Prior art keywords
- surveying instrument
- cabinet
- movable plate
- convenient
- wall surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
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- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Telescopes (AREA)
Abstract
The invention discloses a kind of convenient surveying instrument, it is provided with hoistable platform in cabinet, balance adjustment frame is provided on hoistable platform, surveying instrument ontology is locked on balance adjustment frame by locking mechanism, and horizontal instrument is provided in the middle part of the upper surface of case lid；The periphery of installation chassis protrudes from the edge of the bottom of cabinet, and the external position on installation chassis positioned at cabinet is provided with multiple mounting holes；A horizontal strip groove is provided on each side of cabinet, multiple strip grooves are connected to end, and are embedded with reflector in each strip groove；It is formed with gap between two layers of wall surface, inner side is equipped with thermal isolation film on the wall surface in outside, and is provided with several ventilation holes, and ventilation hole, which is penetrated, is connected to the gap formed between two layers of wall surface in thermal isolation film.Surveying instrument and the cabinet unitary design for being used to load surveying instrument there is very high stability and night to survey and draw safety by the convenient surveying instrument, and ventilating heat-proof is good.
Description
Technical field
The present invention relates to surveying instruments, more particularly to convenient surveying instrument.
Background technique
Surveying instrument is for instruments and the devices such as data sampling and processing, the output of mapping job design manufacture, conventional mapping
Instrument has level, theodolite, total station, rangefinder etc., and the preservation of these equipment is special by being placed on for separate type
Storage box in.
Surveying instrument usually uses outdoors, and outdoor weather be it is changeable, have many emergencies, than following brash,
In a short period of time, rainwater will be fallen, and surveying instrument also has little time to be put into instrument container, be easy to damage instrument in this way.
Currently, substantially passing through three grabs base supports for the support of surveying instrument, this supporting way is also deposited since supporting surface is small
In very big unstable factor.
Summary of the invention
The object of the present invention is to provide a kind of convenient surveying instrument, the convenient surveying instrument is by surveying instrument and is used to load surveying instrument
Cabinet unitary design, and have very high stability, cope with outdoor rainy weather and make the fastest work of taking shelter from rain
Make, ventilating heat-proof is good.
To achieve the goals above, the present invention provides a kind of convenient surveying instrument, which includes: surveying instrument sheet
Body, case lid and top are set as the cabinet of opening, are provided with hoistable platform in the cabinet, are provided on the hoistable platform flat
Weigh adjusting bracket, and the surveying instrument ontology is locked on the balance adjustment frame by locking mechanism, the upper surface of the case lid
Middle part is provided with horizontal instrument；The bottom of the cabinet is coaxially connected with installation chassis, and the periphery of the installation chassis is convex
For the edge of the bottom of the cabinet, and the external position on the installation chassis positioned at the cabinet is provided with multiple peaces
Fill hole；A horizontal strip groove is provided on each side of the cabinet, multiple strip grooves are connected to end, each
Reflector is embedded in the strip groove；The side wall of the cabinet is set as two layers, and gap, position are formed between two layers of wall surface
It is equipped with thermal isolation film in side inner on the wall surface in outside, and is located on the wall surface in outside and is provided with several ventilations
Hole, the ventilation hole, which is penetrated, is connected to the gap formed between two layers of wall surface in the thermal isolation film.
Preferably, the hoistable platform includes support platform and the elevating mechanism that is set to below the support platform,
The elevating mechanism is multiple hydraulic lifting arms being vertically arranged, and the interior of the cabinet is fixed in the bottom end of the hydraulic lifting arm
The bottom surface of the support platform is fixed on bottom surface, top.
Preferably, multiple hydraulic lifting arms are uniformly distributed.
Preferably, the periphery of the case lid is downwardly projecting to form ring set, and what the ring set can agree with is sheathed on described
The aperture position of cabinet.
Preferably, it is provided with raised button on the inner wall of the ring set, is provided on the outer wall of the cabinet and the protrusion
The recess to match is detained, the ring set is by the protrusion button and recess cooperation to be sticked on the cabinet.
Preferably, the balance adjustment frame includes: positioning plate, movable plate and lifting regulating rod, and the positioning plate is fixed on
The upper surface of the support platform, the movable plate be located at the top of the positioning plate and by multiple lifting regulating rods with it is described
Positioning plate connection.
Preferably, the lifting regulating rod includes threaded rod and nut, and the positioning is fixed in the bottom end of the threaded rod
On plate, actively through the movable plate, the nut between the positioning plate and movable plate and spirally covers on top
On the screw thread.
Preferably, the top of the threaded rod, which is connected with, is bolted with limited block, and the limited block is located on the threaded rod
Compressed spring is arranged between the movable plate.
Preferably, the movable plate is circle, and multiple lifting regulating rods are equal around the circumferential direction of the movable plate
Even distribution.
Preferably, locking mechanism lock includes: the positioning sleeve of clamping sleeve and circular platform type, and the diameter of the positioning sleeve is from upper
It is gradually increased under and, the positioning sleeve is spirally sheathed on the surveying instrument ontology；The bottom end of the clamping sleeve spirally covers
In on the movable plate, the inner diameter of the clamping sleeve upper half is gradually increased from top to bottom, and the diameter of lower half is identical；Institute
The internal diameter for stating clamping sleeve top is greater than the top end diameter of the positioning sleeve and is less than the bottom diameter of the positioning sleeve.
According to the above technical scheme, it is provided with hoistable platform in heretofore described cabinet, is arranged on the hoistable platform
There is balance adjustment frame, the surveying instrument ontology is locked on the balance adjustment frame by locking mechanism, the upper end of the case lid
Horizontal instrument is provided in the middle part of face；The bottom of the cabinet is coaxially connected with installation chassis, the week of the installation chassis
Edge protrudes from the edge of the bottom of the cabinet, and on the installation chassis positioned at the cabinet external position be provided with it is more
A mounting hole；A horizontal strip groove is provided on each side of the cabinet, multiple strip grooves are connected to end,
Reflector is embedded in each strip groove；The side wall of the cabinet is set as two layers, between being formed between two layers of wall surface
Gap, inner side is equipped with thermal isolation film on the wall surface in outside, and be located on the wall surface in outside be provided with it is several
A ventilation hole, the ventilation hole, which is penetrated, is connected to the gap formed between two layers of wall surface in the thermal isolation film.By that will survey
It draws instrument ontology to be locked on balance adjustment frame by locking mechanism, can be stretched out surveying instrument ontology by the effect of hoistable platform
The outside of cabinet simultaneously carries out mapping operations, and balance adjustment frame is used to adjust the degree of balance of surveying instrument, when Changes in weather is soon rained
When only need to be recycled in cabinet and cover case lid for general who has surrendered's surveying instrument ontology under hoistable platform, very fast.
Reflector can increase the safety of night mapping.Since convenient surveying instrument needs to be exposed to room for a long time in outdoor application
Outside, it will cause box interior temperature by solarization for a long time to rise, influence the precision of convenient surveying instrument.By the way that two layers of walls is arranged
Face simultaneously can increase the flowing of the air in gap ventilation hole is arranged on outer layer wall surface, to take away the intracorporal a part heat of case
Amount reduces the heating rate of cabinet in addition, also can reduce intensity of illumination brought by sunshine by thermal isolation film.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of overall structure diagram of preferred embodiment of convenient surveying instrument in the present invention.
Description of symbols
1 cabinet, 2 case lid
3 surveying instrument ontology, 4 positioning sleeve
5 limited block, 6 clamping sleeve
7 movable plate, 8 positioning plate
9 support platform, 10 hydraulic lifting arm
11 nut, 12 threaded rod
13 compressed spring, 14 installation chassis
15 mounting hole, 16 reflector
17 horizontal instrument
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, it is included in the term " up and down, inside and outside front and back " etc.
The noun of locality only represents orientation of the term under normal service condition, or be those skilled in the art understand that be commonly called as, without answering
It is considered as the limitation to the term.
Convenient surveying instrument shown in Figure 1, the convenient surveying instrument include: surveying instrument ontology 3, case lid 2 and top setting
For the cabinet 1 of opening, it is provided with hoistable platform in the cabinet 1, balance adjustment frame, the survey are provided on the hoistable platform
It draws instrument ontology 3 to be locked on the balance adjustment frame by locking mechanism, is provided with level in the middle part of the upper surface of the case lid 2
Instrument 17；The bottom of the cabinet 1 is coaxially connected with installation chassis 14, and the periphery of the installation chassis 14 protrudes from described
The edge of the bottom of cabinet 1, and the external position on the installation chassis 14 positioned at the cabinet 1 is provided with multiple mounting holes
15；A horizontal strip groove is provided on each side of the cabinet 1, multiple strip grooves are connected to end, each
Reflector 16 is embedded in the strip groove；The side wall of the cabinet 1 is set as two layers, between being formed between two layers of wall surface
Gap, inner side is equipped with thermal isolation film on the wall surface in outside, and be located on the wall surface in outside be provided with it is several
A ventilation hole, the ventilation hole, which is penetrated, is connected to the gap formed between two layers of wall surface in the thermal isolation film.
Through the implementation of the above technical solution, it is provided with hoistable platform in the cabinet 1, is provided on the hoistable platform
Balance adjustment frame, the surveying instrument ontology 3 are locked on the balance adjustment frame by locking mechanism, the upper end of the case lid 2
Horizontal instrument 17 is provided in the middle part of face；The bottom of the cabinet 1 is coaxially connected with installation chassis 14, the installation chassis
14 periphery protrudes from the edge of the bottom of the cabinet 1, and is located at the outer position of the cabinet 1 on the installation chassis 14
It installs and is equipped with multiple mounting holes 15；A horizontal strip groove, multiple bar shapeds are provided on each side of the cabinet 1
Slot is connected to end, and is embedded with reflector 16 in each strip groove；The side wall of the cabinet 1 is set as two layers, two layers
Gap is formed between wall surface, inner side is equipped with thermal isolation film on the wall surface in outside, and is located at the described of outside
Several ventilation holes are provided on wall surface, the ventilation hole is penetrated to be connected between two layers of wall surface in the thermal isolation film and be formed
Gap.It, can be with by the effect of hoistable platform by the way that surveying instrument ontology 3 to be locked on balance adjustment frame by locking mechanism
Surveying instrument ontology 3 is stretched out into the outside of cabinet 1 and carries out mapping operations, balance adjustment frame is used to adjust the degree of balance of surveying instrument,
When Changes in weather soon Sometimes When It Rains only needs that general who has surrendered's surveying instrument ontology 3 under hoistable platform is recycled in cabinet 1 and is covered
Case lid 2, very fast.Installation chassis 14 is fixed on tripod by mounting hole 15, is suitable for having certain altitude
Measurement.Reflector 16 can increase the safety of night mapping.Since convenient surveying instrument needs for a long time in outdoor application
Be exposed to outdoor, for a long time by solarization will cause box interior temperature rise, influence the precision of convenient surveying instrument.Pass through
Be arranged two layers of wall surface and on outer layer wall surface be arranged ventilation hole can increase in gap air flowing, to take away in cabinet
A part of heat reduce the heating speed of cabinet in addition, also can reduce intensity of illumination brought by sunshine by thermal isolation film
Degree.In order to enable gap to form the wind of flowing, should there be setting in the position of ventilation hole on the side wall of every side.?
It does not need to open to first pass through after horizontal instrument 17 finds out the position of a relative level in the case of case lid 2 and carry out again in next step
Mapping operations, avoid the case where frequently opening case lid 2 during looking for position, on the one hand can increase working efficiency,
On the other hand it can reduce the opening number of case lid 2, increase service life.
In this embodiment, in order to further provide for the embodiment of hoistable platform a kind of, it is preferable that the lifting is flat
Platform includes support platform 9 and the elevating mechanism for being set to 9 lower section of support platform, and the elevating mechanism is set vertically to be multiple
The inner bottom surface of the cabinet 1 is fixed in the hydraulic lifting arm 10 set, the bottom end of the hydraulic lifting arm 10, and top is fixed on described
The bottom surface of support platform 9.
In this embodiment, in order to improve the lifting stability of support platform 9, it is preferable that multiple hydraulic liftings
Bar 10 is uniformly distributed.
In this embodiment, in order to further such that the aperture position for being covered on cabinet 1 that case lid 2 is more bonded.It is preferred that
Ground, the periphery of the case lid 2 is downwardly projecting to form ring set, and what the ring set can agree with is sheathed on the opening of the cabinet 1
Position.
In this embodiment, the aperture position for being covered on cabinet 1 in order to be bonded case lid 2 more.It is excellent
Selection of land is provided with raised button on the inner wall of the ring set, is provided on the outer wall of the cabinet 1 and matches with the protrusion button
Recess, the ring set is by the protrusion button and recess cooperation to be sticked on the cabinet 1.
In this embodiment, in order to further adjust the degree of balance of surveying instrument ontology 3, it is preferable that the balance adjustment
Frame includes: positioning plate 8, movable plate 7 and lifting regulating rod, and the positioning plate 8 is fixed on the upper surface of the support platform 9, institute
Movable plate 7 is stated to be located at the top of the positioning plate 8 and connect by multiple lifting regulating rods with the positioning plate 8.Pass through adjusting
Each lifting regulating rod is adjusted the plane of movable plate 7, to indirectly adjust the degree of balance of surveying instrument ontology 3.
In this embodiment, in order to further increase the controllability of lifting regulating rod, it is preferable that the lift adjustment
Bar includes threaded rod 12 and nut 11, and the bottom end of the threaded rod 12 is fixed on the positioning plate 8, top actively through
The movable plate 7, the nut 11 is between the positioning plate 8 and movable plate 7 and is spirally sheathed on the screw thread.It is logical
The position that spiral nut 11 is located on vertical direction is crossed, so that the different position that is partially located at of movable plate 7 is supported by nut 11,
To play the role of adjusting movable plate 7.
In this embodiment, in order to further prevent movable plate 7 to be detached from threaded rod 12, and movable plate 7 is improved
Stability, it is preferable that the top of the threaded rod 12, which is connected with, is bolted with limited block 5, is located on the threaded rod 12 described
Compressed spring 13 is arranged between limited block 5 and the movable plate 7.Movable plate 7 is squeezed by compressed spring 13 and about 11 nut,
On the one hand the disengaging for having prevented movable plate 7, on the other hand improves the stability of movable plate 7.
In this embodiment, in order to further increase the harmony of stability and stress that movable plate 7 is supported,
Preferably, the movable plate 7 is circle, and multiple lifting regulating rods are uniformly distributed around the circumferential direction of the movable plate 7.
In this embodiment, in order to further improve the stability that surveying instrument ontology 3 is fixed on movable plate 7, with
And detachability, it is preferable that preferably, the locking mechanism lock includes: the positioning sleeve 4 of clamping sleeve 6 and circular platform type, the positioning
The diameter of set 4 is gradually increased from top to bottom, and the positioning sleeve 4 is spirally sheathed on the surveying instrument ontology 3；The clamping sleeve
6 bottom end is spirally placed on the movable plate 7, and the inner diameter of 6 upper half of clamping sleeve is gradually increased from top to bottom, under
The diameter of half portion is identical；The internal diameter on 6 top of clamping sleeve is greater than the top end diameter of the positioning sleeve 4 and is less than the positioning sleeve
4 bottom diameter.In use, first 4 spiral of positioning sleeve is set on surveying instrument ontology 3, then clamping sleeve 6 is covered from top to bottom
Firmly positioning sleeve 4 and by cash pledge set bottom spiral to movable plate 7 on, the top of last clamping sleeve 6 is pressed on the outer wall of positioning sleeve 4
On, to realize the effect of fixed surveying instrument ontology 3.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of convenient surveying instrument, which is characterized in that the convenient surveying instrument includes: surveying instrument ontology (3), case lid (2) and top
Portion is set as the cabinet (1) of opening, is provided with hoistable platform in the cabinet (1), and balance is provided on the hoistable platform and is adjusted
Frame is saved, the surveying instrument ontology (3) is locked on the balance adjustment frame by locking mechanism, the upper surface of the case lid (2)
Middle part be provided with horizontal instrument (17)；
The bottom of the cabinet (1) is coaxially connected with installation chassis (14), and the periphery of the installation chassis (14) protrudes from
The edge of the bottom of the cabinet (1), and the external position on the installation chassis (14) positioned at the cabinet (1) is provided with
Multiple mounting holes (15)；
A horizontal strip groove is provided on each side of the cabinet (1), multiple strip grooves are connected to end, often
Reflector (16) are embedded in a strip groove；
The side wall of the cabinet (1) is set as two layers, is formed with gap between two layers of wall surface, inner on the wall surface in outside
Side is equipped with thermal isolation film, and is located on the wall surface in outside and is provided with several ventilation holes, the ventilation hole penetrate in
The thermal isolation film is connected to the gap formed between two layers of wall surface.
2. convenient surveying instrument according to claim 1, which is characterized in that the hoistable platform include support platform (9) with
And it is set to the elevating mechanism below the support platform (9), the elevating mechanism is multiple hydraulic lifting arms being vertically arranged
(10), the inner bottom surface of the cabinet (1) is fixed in the bottom end of the hydraulic lifting arm (10), and the support platform is fixed on top
(9) bottom surface.
3. convenient surveying instrument according to claim 2, which is characterized in that multiple hydraulic lifting arms (10) are uniformly divided
Cloth.
4. convenient surveying instrument according to claim 2, which is characterized in that the periphery of the case lid (2) is downwardly projecting with shape
At ring set, what the ring set can agree with is sheathed on the aperture position of the cabinet (1).
5. convenient surveying instrument according to claim 4, which is characterized in that raised button is provided on the inner wall of the ring set,
It is provided on the outer wall of the cabinet (1) and passes through the protrusion button and recessed with the recess that matches of protrusion button, the ring set
Cooperation is fallen into be sticked on the cabinet (1).
6. the convenient surveying instrument according to any one in claim 2-5, which is characterized in that the balance adjustment frame packet
Include: positioning plate (8), movable plate (7) and lifting regulating rod, the positioning plate (8) are fixed on the upper table of the support platform (9)
Face, the movable plate (7) are located at the top of the positioning plate (8) and are connected by multiple lifting regulating rods and the positioning plate (8)
It connects.
7. convenient surveying instrument according to claim 6, which is characterized in that the lifting regulating rod include threaded rod (12) and
The bottom end of nut (11), the threaded rod (12) is fixed on the positioning plate (8), and top is actively through the movable plate
(7), the nut (11) is sheathed between the positioning plate (8) and movable plate (7) and spirally on the screw thread.
8. convenient surveying instrument according to claim 7, which is characterized in that the top of the threaded rod (12), which is connected with, to be spirally connected
Have limited block (5), is arranged with compression bullet between the limited block (5) and the movable plate (7) on the threaded rod (12)
Spring (13).
9. convenient surveying instrument according to claim 7 or 8, which is characterized in that the movable plate (7) is circle, Duo Gesuo
Circumferential direction of the lifting regulating rod around the movable plate (7) is stated to be uniformly distributed.
10. convenient surveying instrument according to claim 9, which is characterized in that the locking mechanism lock includes: clamping sleeve (6)
It is gradually increased from top to bottom with the diameter of the positioning sleeve (4) of circular platform type, the positioning sleeve (4), the positioning sleeve (4) spirally covers
On the surveying instrument ontology (3)；
The bottom end of the clamping sleeve (6) is spirally placed on the movable plate (7), and the inner wall of clamping sleeve (6) upper half is straight
Diameter is gradually increased from top to bottom, and the diameter of lower half is identical；
The internal diameter on clamping sleeve (6) top is greater than the top end diameter of the positioning sleeve (4) and is less than the bottom of the positioning sleeve (4)
Hold diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810671665.3A CN109000628A (en) | 2018-06-26 | 2018-06-26 | Convenient surveying instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810671665.3A CN109000628A (en) | 2018-06-26 | 2018-06-26 | Convenient surveying instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109000628A true CN109000628A (en) | 2018-12-14 |
Family
ID=64602036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810671665.3A Withdrawn CN109000628A (en) | 2018-06-26 | 2018-06-26 | Convenient surveying instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109000628A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201234436Y (en) * | 2008-07-24 | 2009-05-06 | 安徽蓝盾光电子股份有限公司 | Fastening port machine cabinet |
| CN104807487A (en) * | 2015-04-21 | 2015-07-29 | 苏州华徕光电仪器有限公司 | Instrument box for containing surveying and mapping instrument |
| CN205537629U (en) * | 2016-03-21 | 2016-08-31 | 宋富 | Measuring device for forestry |
| CN105937677A (en) * | 2016-07-04 | 2016-09-14 | 张超 | Totally-closed maintenance-free threaded fitting |
| CN206706604U (en) * | 2017-05-22 | 2017-12-05 | 刘文龙 | A kind of safety alarm device of the engineering survey operation based on LED technology |
| CN206847604U (en) * | 2017-07-07 | 2018-01-05 | 潘李杰 | A kind of construction account equipment |
| CN207407885U (en) * | 2017-11-06 | 2018-05-25 | 吉林大地地理信息技术有限公司 | A kind of supporting mechanism for geography information measuring instrument |
-
2018
- 2018-06-26 CN CN201810671665.3A patent/CN109000628A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201234436Y (en) * | 2008-07-24 | 2009-05-06 | 安徽蓝盾光电子股份有限公司 | Fastening port machine cabinet |
| CN104807487A (en) * | 2015-04-21 | 2015-07-29 | 苏州华徕光电仪器有限公司 | Instrument box for containing surveying and mapping instrument |
| CN205537629U (en) * | 2016-03-21 | 2016-08-31 | 宋富 | Measuring device for forestry |
| CN105937677A (en) * | 2016-07-04 | 2016-09-14 | 张超 | Totally-closed maintenance-free threaded fitting |
| CN206706604U (en) * | 2017-05-22 | 2017-12-05 | 刘文龙 | A kind of safety alarm device of the engineering survey operation based on LED technology |
| CN206847604U (en) * | 2017-07-07 | 2018-01-05 | 潘李杰 | A kind of construction account equipment |
| CN207407885U (en) * | 2017-11-06 | 2018-05-25 | 吉林大地地理信息技术有限公司 | A kind of supporting mechanism for geography information measuring instrument |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181214 |