CN109059877A - High heat-insulated surveying instrument - Google Patents
High heat-insulated surveying instrument Download PDFInfo
- Publication number
- CN109059877A CN109059877A CN201810670801.7A CN201810670801A CN109059877A CN 109059877 A CN109059877 A CN 109059877A CN 201810670801 A CN201810670801 A CN 201810670801A CN 109059877 A CN109059877 A CN 109059877A
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- CN
- China
- Prior art keywords
- surveying instrument
- cabinet
- insulated
- heat
- movable plate
- 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.)
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Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Telescopes (AREA)
Abstract
The invention discloses a kind of high heat-insulated 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；The bottom of cabinet is coaxially connected with installation chassis, and 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 heat-insulated surveying instrument of the height, and ventilating heat-proof is good.
Description
Technical field
The present invention relates to surveying instruments, more particularly to high heat-insulated 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 high heat-insulated surveying instrument, the heat-insulated surveying instrument of the height is by surveying instrument and is used to load survey
The cabinet unitary design of instrument is drawn, and there is very high stability, outdoor rainy weather is coped with and makes the fastest keep away
Rain work, ventilating heat-proof are good.
To achieve the goals above, the present invention provides a kind of high heat-insulated surveying instrument, the heat-insulated surveying instrument of the height includes: mapping
Instrument ontology, case lid and top are set as the cabinet of opening, are provided with hoistable platform in the cabinet, are 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 bottom of the cabinet
It coaxially is connected with installation chassis, the periphery of the installation chassis protrudes from the edge of the bottom of the cabinet, and described
External position on installation chassis positioned at the cabinet is provided with multiple mounting holes；One is provided on each side of the cabinet
The strip groove of a level, multiple strip grooves are connected to end, and are embedded with reflector in each strip groove；The case
The side wall of body is set as two layers, is formed with gap between two layers of wall surface, on the wall surface in outside inner side be equipped with every
Hotting mask, and be located on the wall surface in outside and be provided with several ventilation holes, the ventilation hole is penetrated to be connected in the thermal isolation film
Pass through the gap formed between two layers of wall surface.
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 bottom of the cabinet
It coaxially is connected with installation chassis, the periphery of the installation chassis protrudes from the edge of the bottom of the cabinet, and described
External position on installation chassis positioned at the cabinet is provided with multiple mounting holes；One is provided on each side of the cabinet
The strip groove of a level, multiple strip grooves are connected to end, and are embedded with reflector in each strip groove；The case
The side wall of body is set as two layers, is formed with gap between two layers of wall surface, on the wall surface in outside inner side be equipped with every
Hotting mask, and be located on the wall surface in outside and be provided with several ventilation holes, the ventilation hole is penetrated to be connected in the thermal isolation film
Pass through the gap formed between two layers of wall surface.By the way that surveying instrument ontology is locked in balance adjustment frame by locking mechanism
On, surveying instrument ontology can be stretched out by the outside of cabinet by the effect of hoistable platform and carry out mapping operations, balance adjustment frame
For adjusting the degree of balance of surveying instrument, when Changes in weather is soon Sometimes When It Rains only needed general who has surrendered's surveying instrument sheet under hoistable platform
Body is recycled in cabinet and covers case lid, very fast.Reflector can increase the safety of night mapping.Due to height
Heat-insulated surveying instrument needs to be exposed to outdoor for a long time in outdoor application, will cause box interior temperature by solarization for a long time
Rise, influences the precision of high heat-insulated surveying instrument.Pass through two layers of wall surface of setting and can be with ventilation hole is arranged on outer layer wall surface
Increase the air flowing in gap, so that the intracorporal a part of heat of case is taken away, in addition, also can reduce sunshine by thermal isolation film
Brought intensity of illumination reduces the heating rate of cabinet.
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 high heat-insulated 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
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.
The heat-insulated surveying instrument of height shown in Figure 1, the heat-insulated surveying instrument of the height includes: surveying instrument ontology 3, case lid 2 and top
It is set as the cabinet 1 of opening, hoistable platform is provided in the cabinet 1, balance adjustment frame, institute is provided on the hoistable platform
Surveying instrument ontology 3 is stated to be locked on the balance adjustment frame by locking mechanism；The bottom of the cabinet 1 is coaxially connected with
Installation chassis 14, the periphery of the installation chassis 14 protrude from the edge of the bottom of the cabinet 1, and the installation chassis 14
The upper external position positioned at the cabinet 1 is provided with multiple mounting holes 15；A water is provided on each side of the cabinet 1
Flat strip groove, multiple strip grooves are connected to end, and are embedded with reflector 16 in each strip groove；The cabinet
1 side wall is set as two layers, is formed with gap between two layers of wall surface, and inner side is equipped with heat-insulated on the wall surface in outside
Film, and be located on the wall surface in outside and be provided with several ventilation holes, the ventilation hole is penetrated to be connected in the thermal isolation film
The gap formed between two layers of wall surface.
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 bottom of the cabinet 1
It coaxially is connected with installation chassis 14, the periphery of the installation chassis 14 protrudes from the edge of the bottom of the cabinet 1, and
External position on the installation chassis 14 positioned at the cabinet 1 is provided with multiple mounting holes 15；On each side of the cabinet 1
It is provided with a horizontal strip groove, multiple strip grooves are connected to end, and are embedded in each strip groove anti-
Tabula rasa 16；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 be equipped with thermal isolation film, and be located on the wall surface in outside and be provided with several ventilation holes, the ventilation hole penetrates
The gap formed between two layers of wall surface is connected in the thermal isolation film.By the way that surveying instrument ontology 3 is locked by locking mechanism
Due on balance adjustment frame, surveying instrument ontology 3 can be stretched out by the outside of cabinet 1 by the effect of hoistable platform and surveyed and drawn
Work, balance adjustment frame are used to adjust the degree of balance of surveying instrument, when Changes in weather soon Sometimes When It Rains only needs to put down lifting
General who has surrendered's surveying instrument ontology 3 is recycled in cabinet 1 and covers case lid 2 under platform, very fast.Installation chassis 14 passes through installation
Hole 15 is fixed on tripod, suitable for the measurement with certain altitude.Reflector 16 can increase the safety of night mapping.
Since high heat-insulated surveying instrument needs to be exposed to outdoor for a long time in outdoor application, will cause in cabinet by solarization for a long time
Portion's temperature rises, and influences the precision of high heat-insulated surveying instrument.Pass through two layers of wall surface of setting and ventilation is being set on outer layer wall surface
Hole can increase the flowing of the air in gap, so that the intracorporal a part of heat of case is taken away, in addition, can also subtract by thermal isolation film
Intensity of illumination brought by small sunshine reduces the heating rate of cabinet.In order to enable gap to form the wind of flowing, divulge information
Should there be setting in the position in hole on the side wall of every side.
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 high heat-insulated surveying instrument, which is characterized in that the heat-insulated surveying instrument of height includes: surveying instrument ontology (3), case lid (2)
It is set as the cabinet (1) of opening with top, is provided with hoistable platform in the cabinet (1), is provided on the hoistable platform flat
Weigh adjusting bracket, and the surveying instrument ontology (3) is locked on the balance adjustment frame by locking mechanism；
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. the heat-insulated surveying instrument of height according to claim 1, which is characterized in that the hoistable platform includes support platform (9)
And it is set to the elevating mechanism below the support platform (9), the elevating mechanism is multiple hydraulic liftings being vertically arranged
The inner bottom surface of the cabinet (1) is fixed in bar (10), the bottom end of the hydraulic lifting arm (10), and it is flat that the support is fixed on top
The bottom surface of platform (9).
3. the heat-insulated surveying instrument of height according to claim 2, which is characterized in that multiple hydraulic lifting arms (10) are uniformly divided
Cloth.
4. the heat-insulated surveying instrument of height according to claim 2, which is characterized in that the periphery of the case lid (2) it is downwardly projecting with
Ring set is formed, what the ring set can agree with is sheathed on the aperture position of the cabinet (1).
5. the heat-insulated surveying instrument of height according to claim 4, which is characterized in that be provided with protrusion on the inner wall of the ring set
Button, is provided with the recess to match with the protrusion button on the outer wall of the cabinet (1), the ring set by the protrusion button and
Recess cooperation is to be sticked on the cabinet (1).
6. according to the heat-insulated surveying instrument of height described in any one in claim 2-5, which is characterized in that the balance adjustment frame
It include: positioning plate (8), movable plate (7) and lifting regulating rod, the positioning plate (8) is 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. the heat-insulated surveying instrument of height according to claim 6, which is characterized in that the lifting regulating rod includes threaded rod (12)
It is fixed on the positioning plate (8) with the bottom end of nut (11), the threaded rod (12), top is actively through the activity
Plate (7), the nut (11) is between the positioning plate (8) and movable plate (7) and is spirally sheathed on the screw thread.
8. the heat-insulated surveying instrument of height according to claim 7, which is characterized in that the top of the threaded rod (12) is connected with spiral shell
It is connected to limited block (5), is arranged with compression between the limited block (5) and the movable plate (7) on the threaded rod (12)
Spring (13).
9. the heat-insulated surveying instrument of height according to claim 7 or 8, which is characterized in that the movable plate (7) is circle, multiple
Circumferential direction of the lifting regulating rod around the movable plate (7) is uniformly distributed.
10. the heat-insulated surveying instrument of height 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 positioning sleeve of circular platform type (4), the diameter of the positioning sleeve (4), positioning sleeve (4) spiral
Ground is sheathed 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 |
|---|---|---|---|
| CN201810670801.7A CN109059877A (en) | 2018-06-26 | 2018-06-26 | High heat-insulated surveying instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810670801.7A CN109059877A (en) | 2018-06-26 | 2018-06-26 | High heat-insulated surveying instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109059877A true CN109059877A (en) | 2018-12-21 |
Family
ID=64821076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810670801.7A Withdrawn CN109059877A (en) | 2018-06-26 | 2018-06-26 | High heat-insulated surveying instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109059877A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 CN201810670801.7A patent/CN109059877A/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 | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181221 |