CN205957972U - Novel survey and drawing sighting rod fixing balance support - Google Patents
Novel survey and drawing sighting rod fixing balance support Download PDFInfo
- Publication number
- CN205957972U CN205957972U CN201621015311.6U CN201621015311U CN205957972U CN 205957972 U CN205957972 U CN 205957972U CN 201621015311 U CN201621015311 U CN 201621015311U CN 205957972 U CN205957972 U CN 205957972U
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- Prior art keywords
- expansion link
- wedge angle
- support
- tripod
- block
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Abstract
The utility model discloses a novel survey and drawing sighting rod fixing balance support mainly relates to measuring instrument technical field. Including support and tripod, the tripod includes connecting block, control tube, first telescopic link, second telescopic link and supports the closed angle, the connecting block is articulated with support seat bottom face, be equipped with on the control tube and transfer knothole, first telescopic link top surface is equipped with the tube seat, first telescopic link bottom surface is equipped with the pole groove, first telescopic link is equipped with the screens piece with second telescopic link junction, second telescopic link bottom side one side is equipped with the universal wheel, be equipped with solid fixed ring on the support closed angle. The utility model has the advantages of the problem of when measuring or measuring in the suburb on soil property more loose ground because the soil property is loose, wind -force is great, the tripod can be continuous in the measurement process to subsideing in the soil layer, is difficult to maintain the level is solved, make the shift position that the tripod can labour saving and time saving simultaneously.
Description
Technical field
The utility model is related to measuring instrument technical field, specifically a kind of new fixing and balancing support of surveying and mapping survey stake pole.
Background technology
In geodesic survey and engineering survey field, need measurement of the level mark post to be fixed on ground survey index point and protects
Hold stable state just can measure.The measurement foot rest that tradition uses is measurement tripod, by bearing and hinged with bearing three
Individual leg composition, can be used for the measuring instruments such as spirit level, total powerstation.
But, fixing and balancing support of surveying and mapping survey stake pole of the prior art has following deficiency：
1st, when measuring than more loose ground in soil property, because the soil is porous, and tripod bottom is wedge angle,
In measurement process, tripod can constantly be subside in soil layer, because the depth that each angle of tripod subsides is inconsistent, leads to
It is deteriorated with the data of spirit level measurement very big, if using the data of measurement as construction reference, great economic loss can be caused,
Great potential safety hazard is had when serious.
2nd, when measuring in suburb, because the wind-force in suburb is larger, geology ratio in suburb is more loose in addition, common three pin
Frame is easily blown down, or strong wind can lead to tripod to be difficult to maintenance level.
3rd, common tripod mostly is straddlebug, and retractility is bad, moves very inconvenient, wastes time and energy.
Utility model content
The purpose of this utility model is to provide a kind of new fixing and balancing support of surveying and mapping survey stake pole, and it solves in soil property ratio
More loose ground measures or when suburb measures, and because the soil is porous, wind-force is larger, in measurement process, tripod can not
Disconnected subsides the problem it is difficult to maintenance level in soil layer, enables the time saving and energy saving shift position of tripod simultaneously.
The utility model for achieving the above object, is achieved through the following technical solutions：
A kind of new fixing and balancing support of surveying and mapping survey stake pole, including bearing and tripod, described bearing top surface is provided with the first spiral shell
Keyhole and horizontal ruler, described tripod includes contiguous block, regulation pipe, the first expansion link, the second expansion link and supports wedge angle, institute
State contiguous block hinged with bottom surface of support saddle, described contiguous block bottom surface is provided with link slot, described regulation pipe top is adapted with link slot,
And described regulation pipe threadeded by link slot with contiguous block, described regulation pipe is provided with adjustment hole, described first expansion link
Side is provided with the second bolt hole, and described second bolt hole is adapted with adjustment hole, and described first expansion link top surface is provided with tube seat, institute
State tube seat to be adapted with regulation pipe, described first expansion link bottom surface is provided with bar groove, described second expansion link is adapted with bar groove, institute
State the first expansion link and the second expansion link junction is provided with screens block, described second expansion link bottom sides side is provided with universal
Wheel, described support wedge angle is located at the second expansion link bottom sides side relative with universal wheel, and described support wedge angle is provided with solid
Determine ring.
Described screens block includes block and fixing bolt, and described bulk inner is hollow structure, described block top surface area
More than the first expansion link base area, described block top surface and bottom surface are provided with corresponding through hole, and described through hole and second stretches
Bar is adapted, and described fixing bolt is located at block side.
Described second expansion link side is provided with race, and described race is adapted with universal wheel, described second expansion link bottom surface
It is provided with the first projection, described universal wheel top is provided with the first connecting shaft, described first connecting shaft two ends and the first raised company of rotation
Connect.
The described second expansion link side bottom side side relative with universal wheel is provided with wedge angle groove, described wedge angle groove with
Support wedge angle is adapted, and described second expansion link bottom surface is provided with the second projection, and described support pointed tip is provided with the second connecting shaft, institute
State rotate raised with second of the second connecting shaft two ends to be connected.
Described first bolt hole is 3, and described first bolt hole is distributed along bearing axle center annular array.
Described horizontal ruler is located at bearing center.
Described retainer ring is up big and down small truncated cone-shaped.
Contrast prior art, the beneficial effects of the utility model are：
1st, described tripod includes contiguous block, regulation pipe, the first expansion link, the second expansion link and supports wedge angle, works as measurement
When finishing, regulation pipe and the second expansion link can be collapsible in the first expansion link, and the second expansion link bottom is provided with universal wheel, when
Can easily pack up or shift position after being finished tripod, by supporting setting retainer ring on wedge angle, retainer ring is upper big
Under little truncated cone-shaped, resistance up and down can be provided after supporting wedge angle to enter ground, so just can prevent from supporting wedge angle
Because a variety of causes is moved upwardly or downwardly after entering ground, increased the reliability and stability of fixing and balancing support of surveying and mapping survey stake pole.
Particularly solve when measuring than more loose ground in soil property or measuring in suburb, because the soil is porous, wind-force is larger,
In measurement process, tripod can constantly be subside it is difficult to the problem of long-time maintenance level in soil layer.
2nd, pass through to arrange screens block, when measuring, screens block is fastenedly connected with the second expansion link by fixing bolt,
The top surface of screens block is used for supporting the bottom surface of the first expansion link, and the length stretched out by adjusting the second expansion link adjusts tripod
Height.
3rd, the second expansion link side is provided with race, and race is adapted with universal wheel, when a measurement is taken, by universal wheel clamping
In race, when needing mobile tripod after measurement terminates, then universal wheel is taken out from race.
4th, the second expansion link side bottom side side relative with universal wheel is provided with wedge angle groove, wedge angle groove and support wedge angle
It is adapted, wedge angle will be supported when a measurement is taken to take out from wedge angle groove, then adjust tripod and measure, when measurement terminates
Afterwards, wedge angle will be supported to be connected in wedge angle groove, then universal wheel is taken out from race, carry out the folding and unfolding of tripod and position turns
Move.
5th, the first bolt hole is 3, and the first bolt hole is distributed along bearing axle center annular array, due to tripod top support
On also need to arrange spirit level, spirit level bottom is provided with foundation bolt, and the first bolt hole is matched with foundation bolt, by spirit level
It is fixed on bearing.
6th, horizontal ruler is located at bearing center, because on bearing, circular array shows three the first bolts hole, by level
It is not only attractive in appearance but also convenient that scale is arranged on bearing center.
7th, retainer ring is up big and down small truncated cone-shaped, can provide resistance up and down after supporting wedge angle to enter ground,
Because a variety of causes is moved upwardly or downwardly after so just can preventing from supporting wedge angle to enter ground, increased mapping mark post stable equilibrium
The reliability and stability of support.
Brief description
Accompanying drawing 1 is the utility model concrete structure schematic diagram.
Accompanying drawing 2 is to support wedge angle and the second expansion link connected mode structural representation in the utility model.
Accompanying drawing 3 is universal wheel and the second expansion link connected mode structural representation in the utility model.
Accompanying drawing 4 is screens block and the second expansion link connected mode structural representation in the utility model.
Accompanying drawing 5 is bearing top view in the utility model.
Accompanying drawing 6 is regulation pipe structural representation in the utility model.
Accompanying drawing 7 is connecting block structure schematic diagram in the utility model.
Label shown in accompanying drawing：
1st, bearing；2nd, the first bolt hole；3rd, horizontal ruler；4th, contiguous block；5th, regulation pipe；6th, the first expansion link；7th, second
Expansion link；8th, support wedge angle；9th, link slot；10th, adjustment hole；11st, the second bolt hole；12nd, tube seat；13rd, bar groove；14th, screens block；
15th, universal wheel；16th, retainer ring；17th, block；18th, fixing bolt；19th, race；20th, first is raised；21st, the first connecting shaft；22、
Wedge angle groove；23rd, second is raised；24th, the second connecting shaft；25th, the 3rd bolt hole；26th, plain bolt；27th, spirit level.
Specific embodiment
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than restriction scope of the present utility model.In addition, it is to be understood that in the content having read the utility model instruction
Afterwards, those skilled in the art can make various changes or modifications to the utility model, and these equivalent form of values equally fall within this Shen
Please limited range.
Described in the utility model is a kind of new fixing and balancing support of surveying and mapping survey stake pole, and agent structure includes bearing 1 and three pin
Frame, described bearing 1 top surface is provided with the first bolt hole 2 and horizontal ruler 3, and described tripod includes contiguous block 4, regulation pipe 5, first
Expansion link 6, the second expansion link 7 and support wedge angle 8, described contiguous block 4 is hinged with bearing 1 bottom surface, and described contiguous block 4 bottom surface is provided with
Link slot 9, described regulation pipe 5 top and link slot 9 are adapted, and described regulation pipe 5 top is provided with the 3rd bolt hole 25, and described the
Three bolts hole 25 are provided with plain bolt 26, and described regulation pipe 5 is connected by plain bolt 26 with contiguous block 4, described regulation pipe 5
It is provided with adjustment hole 10, described first expansion link 6 side is provided with the second bolt hole 11, described second bolt hole 11 and adjustment hole 10
It is adapted, described first expansion link 6 top surface is provided with tube seat 12, described tube seat 12 and regulation pipe 5 are adapted, by tube seat 12 and tune
Being slidably connected of section pipe 5, can carry out Level tune, after measurement terminates, can slip into regulation pipe 5 in measurement to tripod
In tube seat 12, can easily tripod be withdrawn and shift position, described first expansion link 6 bottom surface is provided with bar groove 13,
Described second expansion link 7 and bar groove 13 are adapted, by being slidably connected of bar groove 13 and the second expansion link 7, can when measuring
Second expansion link 7, after measurement terminates, can be slipped in bar groove 13 by convenient regulation tripod height, can be easily right
Tripod is withdrawn and shift position, and described first expansion link 6 and the second expansion link 7 junction are provided with screens block 14, pass through
Setting screens block 14, when measuring, screens block 14 is fastenedly connected with the second expansion link 7 by fixing bolt 18, screens block
14 top surface is used for supporting the bottom surface of the first expansion link 6, and the length stretched out by adjusting the second expansion link 7 adjusts tripod
Highly, described second expansion link 7 bottom sides side is provided with universal wheel 15, when needing mobile tripod after measurement terminates, will
Universal wheel 15 takes out from race 19, easily can move tripod, and described support wedge angle 8 is located at the second expansion link 7 bottom
The side side relative with universal wheel 15, described support wedge angle 8 is provided with retainer ring 16, by arranging retainer ring 16, is supporting
Wedge angle 8 can provide resistance up and down after entering ground, so just can prevent from supporting wedge angle 8 to enter behind ground due to a variety of causes
It is moved upwardly or downwardly, increased the reliability and stability of fixing and balancing support of surveying and mapping survey stake pole.
Line height that tripod is entered for convenience is adjusted, and described screens block 14 includes block 17 and fixing bolt 18, institute
Stating block 17 internal is hollow structure, and described block 17 top surface area is more than the first expansion link 6 base area, and described block 17 pushes up
Face and bottom surface are provided with corresponding through hole, and described through hole and the second expansion link 7 are adapted, and described fixing bolt 18 is located at block 17
Side.Screens block 14 had not only saved material but also had alleviated the deadweight of tripod for hollow structure inside, when measuring, screens
Block 14 is fastenedly connected with the second expansion link 7 by fixing bolt 18, so that screens block 14 is fixed position on the second expansion link 7, card
The top surface of position block 14 is used for supporting the bottom surface of the first expansion link 6, and the length stretched out by adjusting the second expansion link 7 adjusts three pin
The height of frame.
In order to easily move to tripod, described second expansion link 7 side is provided with race 19, described race 19 with
Universal wheel 15 is adapted, and described second expansion link 7 bottom surface is provided with the first projection 20, and described universal wheel 15 top is provided with the first connection
Axle 21, described first connecting shaft 21 two ends rotate with first raised 20 and are connected.When a measurement is taken, universal wheel 15 is connected to wheel
In groove 19, wedge angle 8 will be supported to take out from wedge angle groove 22, and then adjust tripod and measure, and need to move after measurement terminates
During dynamic tripod, then universal wheel 15 is taken out from race 19, carry out movement and the folding and unfolding of tripod.
In order to rational folding and unfolding, described second expansion link 7 side bottom side and universal wheel 15 phase are carried out to support wedge angle 8
To side be provided with wedge angle groove 22, described wedge angle groove 22 is adapted with supporting wedge angle 8, and described second expansion link 7 bottom surface is provided with the
Two projections 23, described support wedge angle 8 top is provided with the second connecting shaft 24, described second connecting shaft 24 two ends and 23 turns of the second projection
It is dynamically connected.Wedge angle 8 will be supported when a measurement is taken to take out from wedge angle groove 22, then adjust tripod and measure, work as measurement
After end, because retainer ring 16 end is very sharp, and in order to coordinate the use of universal wheel 15, it is connected to point by supporting wedge angle 8
In chamfered groove 22, then universal wheel 15 is taken out from race 19, carry out folding and unfolding and the position transfer of tripod.
In order to be fixed on spirit level 27 on bearing 1, described first bolt hole 2 is 3, and described first bolt hole 2 edge
Bearing 1 axle center annular array distribution.Because spirit level 27 bottom is provided with three foundation bolts, the first bolt hole 2 and foundation bolt
Match, spirit level 27 can be fixed on bearing 1.
In order to convenience that bearing 1 is designed with attractive in appearance, described horizontal ruler 3 is located at bearing 1 center.
In order to preferably fixing and stablizing tripod, described retainer ring 16 is up big and down small truncated cone-shaped.By inciting somebody to action
Retainer ring 16 is up big and down small truncated cone-shaped, can provide resistance up and down, so just may be used after supporting wedge angle 8 to enter ground
To prevent from supporting wedge angle 8 to enter behind ground because a variety of causes is moved upwardly or downwardly, increased fixing and balancing support of surveying and mapping survey stake pole
Reliability and stability.
During use, after tripod is taken out, first pass through screens block 14, rough is adjusted to suitable height by tripod
Degree, then passes through fixing bolt 18 and fixes, then wedge angle 8 will be supported to take out in wedge angle groove 22, when enterprising in city cement flooring
During row measurement, wedge angle 8 directly will be supported to place on the ground, then level and highly trickle tune will be carried out by regulation pipe 5
Section, when measuring than more loose ground in soil property, needs wedge angle 8 will to be supported to extend in soil layer it is ensured that tripod is steady
Gu after, then the length by adjusting regulation pipe 5 carries out the fine adjustments of level, when the horizontal ruler 3 that bearing 1 is determined on face shows
After level, carry out trickleer Level tune again by adjusting spirit level 27, measure after being adjusted to fully horizontally.
Embodiment 1：
Described in the utility model is a kind of new fixing and balancing support of surveying and mapping survey stake pole, and agent structure includes bearing 1 and three pin
Frame, described bearing 1 top surface is provided with the first bolt hole 2 and horizontal ruler 3, and described tripod includes contiguous block 4, regulation pipe 5, first
Expansion link 6, the second expansion link 7 and support wedge angle 8, described contiguous block 4 is hinged with bearing 1 bottom surface, and described contiguous block 4 bottom surface is provided with
Link slot 9, described regulation pipe 5 top and link slot 9 are adapted, and described regulation pipe 5 top is provided with the 3rd bolt hole 25, and described the
Three bolts hole 25 are provided with plain bolt 26, and described regulation pipe 5 is connected by plain bolt 26 with contiguous block 4, described regulation pipe 5
It is provided with adjustment hole 10, described first expansion link 6 side is provided with the second bolt hole 11, described second bolt hole 11 and adjustment hole 10
It is adapted, described first expansion link 6 top surface is provided with tube seat 12, described tube seat 12 and regulation pipe 5 are adapted, described first expansion link
6 bottom surfaces are provided with bar groove 13, and described second expansion link 7 is adapted with bar groove 13, and described first expansion link 6 and the second expansion link 7 are even
The place of connecing is provided with screens block 14, and described second expansion link 7 bottom sides side is provided with universal wheel 15, and described support wedge angle 8 is located at the
The two expansion link 7 bottom sides side relative with universal wheel 15, described support wedge angle 8 is provided with retainer ring 16.Described screens block
14 include block 17 and fixing bolt 18, and described block 17 is internal to be hollow structure, and described block 17 top surface area is more than first
Expansion link 6 base area, described block 17 top surface and bottom surface are provided with corresponding through hole, described through hole and the second expansion link 7 phase
Adapt to, described fixing bolt 18 is located at block 17 side.Described second expansion link 7 side is provided with race 19, described race 19 with
Universal wheel 15 is adapted, and described second expansion link 7 bottom surface is provided with the first projection 20, and described universal wheel 15 top is provided with the first connection
Axle 21, described first connecting shaft 21 two ends rotate with first raised 20 and are connected.Described second expansion link 7 side bottom side and ten thousand
It is provided with wedge angle groove 22 to wheel 15 relative sides, described wedge angle groove 22 is adapted with supporting wedge angle 8, described second expansion link 7 bottom
Face is provided with the second projection 23, and described support wedge angle 8 top is provided with the second connecting shaft 24, described second connecting shaft 24 two ends and second
Raised 23 rotate connection.Described first bolt hole 2 is 3, and described first bolt hole 2 is along bearing 1 axle center annular array distribution.
Described horizontal ruler 3 is located at bearing 1 center.Described retainer ring 16 is up big and down small truncated cone-shaped.
Claims (7)
1. a kind of new fixing and balancing support of surveying and mapping survey stake pole, including bearing (1) and tripod it is characterised in that：Described bearing (1)
Top surface is provided with the first bolt hole (2) and horizontal ruler (3), described tripod include contiguous block (4), regulation pipe (5), first stretch
Bar (6), the second expansion link (7) and support wedge angle (8), described contiguous block (4) is hinged with bearing (1) bottom surface, described contiguous block (4)
Bottom surface is provided with link slot (9), and described regulation pipe (5) top is adapted with link slot (9), and described regulation pipe (5) and contiguous block
(4) threaded by link slot (9), described regulation pipe (5) is provided with adjustment hole (10), described first expansion link (6) side
It is provided with the second bolt hole (11), described second bolt hole (11) is adapted with adjustment hole (10), described first expansion link (6) top surface
It is provided with tube seat (12), described tube seat (12) is adapted with regulation pipe (5), and described first expansion link (6) bottom surface is provided with bar groove (13),
Described second expansion link (7) is adapted with bar groove (13), and described first expansion link (6) and the second expansion link (7) junction are provided with
Screens block (14), described second expansion link (7) bottom sides side is provided with universal wheel (15), and described support wedge angle (8) is located at the
Two expansion links (7) the bottom sides side relative with universal wheel (15), described support wedge angle (8) is provided with retainer ring (16).
2. according to claim 1 a kind of new fixing and balancing support of surveying and mapping survey stake pole it is characterised in that：Described screens block (14)
Including block (17) and fixing bolt (18), it is hollow structure inside described block (17), described block (17) top surface area is big
In the first expansion link (6) base area, described block (17) top surface and bottom surface are provided with corresponding through hole, described through hole and second
Expansion link (7) is adapted, and described fixing bolt (18) is located at block (17) side.
3. according to claim 1 a kind of new fixing and balancing support of surveying and mapping survey stake pole it is characterised in that：Described second expansion link
(7) side is provided with race (19), and described race (19) is adapted with universal wheel (15), and described second expansion link (7) bottom surface is provided with
First raised (20), described universal wheel (15) top is provided with the first connecting shaft (21), described first connecting shaft (21) two ends and the
One raised (20) rotate and connect.
4. according to claim 1 a kind of new fixing and balancing support of surveying and mapping survey stake pole it is characterised in that：Described second expansion link
(7) the side bottom side side relative with universal wheel (15) is provided with wedge angle groove (22), described wedge angle groove (22) and support wedge angle
(8) it is adapted, described second expansion link (7) bottom surface is provided with second raised (23), described support wedge angle (8) top is provided with second even
Spindle (24), described second connecting shaft (24) two ends are rotated with second raised (23) and are connected.
5. according to claim 1 a kind of new fixing and balancing support of surveying and mapping survey stake pole it is characterised in that：Described first bolt hole
(2) it is 3, and described first bolt hole (2) is distributed along bearing (1) axle center annular array.
6. according to claim 1 a kind of new fixing and balancing support of surveying and mapping survey stake pole it is characterised in that：Described horizontal ruler
(3) it is located at bearing (1) center.
7. according to claim 1 a kind of new fixing and balancing support of surveying and mapping survey stake pole it is characterised in that：Described retainer ring (16)
For up big and down small truncated cone-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621015311.6U CN205957972U (en) | 2016-08-31 | 2016-08-31 | Novel survey and drawing sighting rod fixing balance support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621015311.6U CN205957972U (en) | 2016-08-31 | 2016-08-31 | Novel survey and drawing sighting rod fixing balance support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205957972U true CN205957972U (en) | 2017-02-15 |
Family
ID=57979169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621015311.6U Expired - Fee Related CN205957972U (en) | 2016-08-31 | 2016-08-31 | Novel survey and drawing sighting rod fixing balance support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205957972U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024201A (en) * | 2017-04-20 | 2017-08-08 | 山东大学 | A kind of observation servicing unit and application method suitable for monitoring measurement |
| CN107063214A (en) * | 2017-05-09 | 2017-08-18 | 华北理工大学 | A kind of Portable practical survey pin |
| CN107120503A (en) * | 2017-06-02 | 2017-09-01 | 成都雷纳斯科技有限公司 | A kind of Portable dismountable surveys and draws tripod |
| CN108802998A (en) * | 2018-05-07 | 2018-11-13 | 东莞市联洲知识产权运营管理有限公司 | A kind of understructure on equatorial telescope tripod |
| CN109682355A (en) * | 2019-01-23 | 2019-04-26 | 彭劲松 | A kind of plotting board of construction engineering cost |
| CN110715642A (en) * | 2019-11-13 | 2020-01-21 | 周美花 | A elevation measurement surveyor's level for building survey and drawing |
| CN113188590A (en) * | 2021-04-06 | 2021-07-30 | 西双版纳傣族自治州水利技术中心 | Dam stability monitoring equipment for hydraulic and hydroelectric engineering |
-
2016
- 2016-08-31 CN CN201621015311.6U patent/CN205957972U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024201A (en) * | 2017-04-20 | 2017-08-08 | 山东大学 | A kind of observation servicing unit and application method suitable for monitoring measurement |
| CN107063214A (en) * | 2017-05-09 | 2017-08-18 | 华北理工大学 | A kind of Portable practical survey pin |
| CN107120503A (en) * | 2017-06-02 | 2017-09-01 | 成都雷纳斯科技有限公司 | A kind of Portable dismountable surveys and draws tripod |
| CN108802998A (en) * | 2018-05-07 | 2018-11-13 | 东莞市联洲知识产权运营管理有限公司 | A kind of understructure on equatorial telescope tripod |
| CN109682355A (en) * | 2019-01-23 | 2019-04-26 | 彭劲松 | A kind of plotting board of construction engineering cost |
| CN109682355B (en) * | 2019-01-23 | 2021-04-13 | 彭劲松 | Mapping device for construction cost |
| CN110715642A (en) * | 2019-11-13 | 2020-01-21 | 周美花 | A elevation measurement surveyor's level for building survey and drawing |
| CN113188590A (en) * | 2021-04-06 | 2021-07-30 | 西双版纳傣族自治州水利技术中心 | Dam stability monitoring equipment for hydraulic and hydroelectric engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 Termination date: 20170831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |