CN108008460A - A kind of support platform for continental gravity data instrument - Google Patents
A kind of support platform for continental gravity data instrument Download PDFInfo
- Publication number
- CN108008460A CN108008460A CN201711347311.5A CN201711347311A CN108008460A CN 108008460 A CN108008460 A CN 108008460A CN 201711347311 A CN201711347311 A CN 201711347311A CN 108008460 A CN108008460 A CN 108008460A
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- supporting leg
- pedestal
- hole
- supporting
- support platform
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V7/00—Measuring gravitational fields or waves; Gravimetric prospecting or detecting
- G01V7/02—Details
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
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Abstract
The invention discloses a kind of support platform for continental gravity data instrument, including pedestal, the bottom of pedestal is supported by supporting leg, the four corners of pedestal are respectively equipped with the mounting hole being connected with supporting leg, supporting leg is equipped with 4, wherein, two adjacent two supporting legs are first leg, remaining two supporting legs are the second supporting leg, the first leg and horizontal plane, and two first legs are parallel to each other, the outward-dipping fixation of second supporting leg, first leg includes supporting leg shell, lifting gear is installed in supporting leg shell, lifting gear is controlled by the coarse adjustment nut on supporting leg shell, the top of lifting gear is connected by the bottom of trimming piece and pedestal, second supporting leg is connected also by the bottom of trimming piece and pedestal, the top of trimming piece is coordinated by supporting rod and mounting hole.Gravimeter can be quickly adjusted to horizontality by the present invention when supporting gravimeter, and can keep the stabilization of gravimeter, improve measurement accuracy.
Description
Technical field
The present invention relates to a kind of mounting technique of gravity apparatus, a kind of more particularly to support for continental gravity data instrument is put down
Platform.
Background technology
Gravimeter is a kind of high precision measuring instrument for measuring acceleration of gravity.Gravimetric conventional method is by gravity
Instrument, which is installed on stabilized platform, carries out gravity measurement, and wherein stabilized platform is for keeping being horizontally directed to for gravimeter stabilization.Mesh
Before, gravimeter can all process a stent, which is A-frame, for ensureing the stability of gravimeter in production
And levelness.However, when needing to measure the gravity at the slope in mountain forest, which can not make gravimeter keep water
It is flat, so as to cause precision of the gravimeter in measurement relatively low, cause very big error.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of support platform for continental gravity data instrument, the support platform
When supporting gravimeter, gravimeter can be quickly adjusted to horizontality, and the stabilization of gravimeter can be kept, improve survey
Accuracy of measurement.
To achieve the above object, the present invention provides following technical solution：A kind of support platform for continental gravity data instrument,
Including pedestal, the top of the pedestal is equipped with accommodation space, and gravimeter, the rounded groove of accommodation space are provided with accommodation space
Shape, the bottom of the pedestal are supported by supporting leg, and the pedestal is square, and the four corners of pedestal are respectively equipped with what is be connected with supporting leg
Mounting hole, mounting hole are blind hole, and the supporting leg is equipped with 4, are respectively arranged on the corner of pedestal, wherein, two adjacent two branch
Leg is first leg, and remaining two supporting legs are the second supporting leg, the first leg and horizontal plane, and two first
Leg is parallel to each other, the outward-dipping fixation of the second supporting leg, and two the second supporting legs are symmetrically distributed in the bottom of pedestal, and
Angle between the plane that the plane and two first legs that two the second supporting legs are formed are formed is acute angle；The first leg bag
Supporting leg shell is included, lifting gear is installed in the supporting leg shell, the lifting gear passes through thick on supporting leg shell
Nut control is adjusted, is pierced by the top of supporting leg shell at the top of the lifting gear, and pass through trimming piece at the top of lifting gear
It is connected with the bottom of pedestal, second supporting leg is connected also by the bottom of trimming piece and pedestal, passes through branch at the top of trimming piece
Strut coordinates with mounting hole.
Preferably, lifting gear includes driving wheel and drive shaft, and the driving wheel is rotatably connected on supporting leg shell inner cavity
Bottom, one end of the drive shaft and the core wheel of driving wheel top surface weld, and the axle body of drive shaft is installed on supporting leg by bearing I
In shell, drive shaft axle body is equipped with external screw thread, and drive shaft and peace equipped with threaded portion in the part above bearing I
Elevating lever in supporting leg shell is threadedly coupled, and top and the trimming piece of elevating lever are fixed.
Preferably, the bottom of elevating lever is equipped with the matched threaded hole of threaded portion with drive shaft, and the depth of threaded hole is big
In the length of drive shaft threaded portion.
Preferably, trimming piece includes bearing, and the center of the bearing is equipped with upper and lower perforative through hole, the through hole
Bottom is equipped with ball seat, and the bottom of ball seat and the top of supporting leg are fixed, and a fine-tuning nut is rotatably connected at the top of through hole, is passed through
Thread bush is installed with the middle part of perforation, a regulating rod is installed below the fine-tuning nut, the bottom of regulating rod is set
The hemispheric bulb coordinated with ball seat is useful for, the shaft of regulating rod is equipped with the external thread section coordinated with thread bush, described
Bearing is fixed by connecting plate and pedestal, and the supporting rod is fixed on the top of connecting plate.
Preferably, the upper and lower ends of through hole are in step-like that the bottom of the through hole is equipped with for preventing ball seat from sliding
Go out the anti-slip ring of through hole, the side wall of ball seat be equipped with the matched antiskid groove of anti-slip ring, the width of the antiskid groove with
The stroke of ball seat is adapted.
Preferably, fine-tuning nut is installed on the top of through hole by bearing II.
Preferably, the bottom of fine-tuning nut is equipped with a circular groove, the diameter of groove and the diameter phase of regulating rod
Match somebody with somebody, be inserted at the top of the regulating rod in groove.
Preferably, the side wall of groove is equipped with a pair of of guide groove, and the top of regulating rod is equipped with a pair of of guide rod, the guide rod
Slided in guide groove, and along guide groove, the distribution arrangement of the guide groove is parallel with the axis of bearing.
Preferably, the depth of groove and the equivalent width of antiskid groove.
Using above-mentioned technical proposal, when the present invention installs gravimeter, two first legs are inserted into slopes first, and protect
Hold that first leg is parallel with vertical plane, two the second supporting legs are installed on the upward slope direction of slope, are used to support pedestal.Adjusting
When, make the height of pedestal installation first leg side less than the height of the second supporting leg side of installation, and make first leg and the
Two supporting legs are fixed, and then adjust coarse adjustment nut so that lifting gear jacks upwards, holds up trimming piece, then adjust by trimming piece
Pedestal side, so that pedestal keeps horizontal.The second supporting leg of the present invention is the equal of a diagonal brace, therefore due to outward-dipping
The stability of gravimeter when mounted, the phenomenon for preventing centre-of gravity shift from causing gravimeter to fall down can more be kept.The present invention is propping up
When supportting gravimeter, by coarse adjustment and the matched mode of fine setting, pedestal can be made quickly to be adjusted to horizontality, and then make weight
Power instrument also keeps horizontality, and can keep the stabilization of gravimeter, and by the collocation of coarse adjustment and fine setting, makes the water of pedestal
Pingdu precision improves, so as to improve the measurement accuracy of gravimeter.
Brief description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is the structure diagram of the first leg of the present invention；
Fig. 4 is the A portions enlarged drawing of Fig. 3；
Fig. 5 is the structure diagram of the second supporting leg of the present invention；
Fig. 6 is the structure diagram of the trimming piece of the present invention；
Fig. 7 is the B portions partial enlarged view of Fig. 6.
Embodiment
Below in conjunction with the accompanying drawings, by the description of the embodiment, the present invention will be further described：
As shown in Fig. 1 ~ 7, a kind of support platform for continental gravity data instrument of the invention, for the absolute gravity measured at hillside
The installation support work of instrument, including pedestal 1, the top of pedestal 1 are equipped with accommodation space, gravimeter 2 are provided with accommodation space, hold
Receive the rounded groove-like in space, the bottom of pedestal 1 is supported by supporting leg 3, and pedestal 1 is square, and the four corners of pedestal 1 are respectively equipped with
The mounting hole 4 being connected with supporting leg 3, mounting hole 4 are blind hole.
Supporting leg 3 is equipped with 4, is respectively arranged on the corner of pedestal 1, wherein, two adjacent two supporting legs 3 are first leg
31, remaining two supporting legs 3 are the second supporting leg 32.When fixing, first leg 31 and horizontal plane, and two first
Leg 31 is parallel to each other, the 32 outward-dipping fixation of the second supporting leg, and two the second supporting legs 32 are symmetrically distributed in the bottom of pedestal 1,
And the angle between the plane that the plane and two first legs 31 that two the second supporting legs 32 are formed are formed is acute angle, i.e., second
Supporting leg 32 and the angle of vertical plane are acute angle, and the specific angle of the angle is determined according to the gradient on specific slope.The of the present invention
One supporting leg 31 includes supporting leg shell 311, is provided with lifting gear 6 in supporting leg shell 311, lifting gear 6 is by installed in supporting leg
Coarse adjustment nut 312 on shell 311 controls, and the top of the lifting gear 6 is pierced by the top of supporting leg shell 311, and lifts
The top of device 6 is connected by trimming piece 5 with the bottom of pedestal 1, the second supporting leg 32 also by trimming piece 5 and pedestal 1 bottom
Connection, the top of trimming piece 5 is coordinated by supporting rod 9 and mounting hole 4.
The lifting gear 6 of the present invention includes driving wheel 61 and drive shaft 62, and driving wheel 61 is rotatably connected on supporting leg shell
The bottom of 311 inner cavities, the side of coarse adjustment nut 312 of the driving wheel 61 with being similarly installed in 311 inner cavity of supporting leg shell are engaged, slightly
The opposite side of nut 312 is adjusted to be pierced by supporting leg shell 311, easy to stir rotation by hand.In order to more preferably install coarse adjustment nut 312,
An installation cavity 313 is opened up in supporting leg shell 311, and coarse adjustment nut 312 is installed in installation cavity 313, then makes coarse adjustment spiral shell
The side of mother 312 is engaged with driving wheel 61, and opposite side is pierced by supporting leg shell 311.One end of drive shaft 62 and 61 top surface of driving wheel
Core wheel welding, the axle body of drive shaft 62 is installed in supporting leg shell 311 by bearing I 63, and 62 axle body of drive shaft is positioned at axis
The part for holding I 63 tops is equipped with external screw thread, and the drive shaft 62 equipped with threaded portion and the liter in supporting leg shell 311
Drop bar 64 is threadedly coupled, and top and the trimming piece 5 of elevating lever 64 are fixed, and the bottom of elevating lever 64 is equipped with the screw thread with drive shaft 62
The matched threaded hole in part, the depth of threaded hole are more than the length of 62 threaded portion of drive shaft, the outside diameter and supporting leg of elevating lever 64
The intracavity diameter of shell 311 matches, and 311 interior wall of supporting leg shell is being equipped with limitation elevating lever with 64 matched trip segment of elevating lever
64 anti-rotation grooves 314 rotated, the outer surface of elevating lever 64 are equipped with the anti-rotation bar 641 coordinated with anti-rotation groove 314.
The trimming piece 5 of the present invention includes bearing 51, and the center of bearing 51 is equipped with upper and lower perforative through hole 52, through hole 52
Bottom be equipped with ball seat 53, the bottom and the top of supporting leg 3 of ball seat 53 are fixed, and the top of through hole 52 passes through bearing II 8 and rotates
A fine-tuning nut 54 is connected with, the middle part of through hole 52 is installed with thread bush 57, and the lower section of fine-tuning nut 54 is provided with
A piece regulating rod 55, the bottom of regulating rod 55 are equipped with the hemispheric bulb 56 for being used for coordinating with ball seat 53, the bar of regulating rod 55
The external thread section coordinated with thread bush 57 is equipped with it, and bearing 51 is fixed by connecting plate 7 and pedestal 1,9 company of being fixed on of supporting rod
The top of fishplate bar 7, the section of connecting plate 7 is in "Ji" type, and the both sides of connecting plate 7 are symmetrically distributed on bearing 51, fine setting
Nut 54 is located at the lower section at 7 center of connecting plate, in order to give operation 54 leaving space of fine-tuning nut.The upper and lower ends of through hole 52
It is in step-like, the bottom of through hole 52, which is equipped with, to be used to prevent ball seat 53 from skidding off the anti-slip ring 58 of through hole 52, the side of ball seat 53
Wall is equipped with antiskid groove 59 matched with anti-slip ring 58, and the stroke of the width and ball seat 53 of antiskid groove 59 is adapted.
The present invention is equipped with a circular groove 541, diameter and the regulating rod 55 of groove 541 in the bottom of fine-tuning nut 54
Diameter match, the top of regulating rod 55 is inserted in groove 541, and makes the depth of groove 541 and the width of antiskid groove 59
Unanimously, fine-tuning nut 54 so easy to disassemble and regulating rod 55, maintain easily.A pair of of guide groove is equipped with the side wall of groove 541
542, the top of regulating rod 55 is equipped with a pair of of guide rod 551, and guide rod 551 is slided in guide groove 542 along guide groove 542
Dynamic, the distribution arrangement of guide groove 542 is parallel with the axis of bearing 51.
The present invention can also install a plumb device in first leg 31, and plumbing device is suspended in first leg 31
On, whether keep plumbness when mounted for observing first leg 31.
The bottom of the supporting leg 3 of the present invention is equipped with tip, in order to be inserted into when being fixedly mounted in slope, realizes more preferable
It is fixed.But when measurement place does not possess soft soil property, tip can not be inserted into slope, therefore, can be at the bottom of supporting leg 3
A claw 33 is installed in portion again, and claw 33 is made of 3 the same quarter butts, and 3 of the claw 33 in first leg 31 are short
Bar is evenly distributed on the circumference at 31 bottom of first leg, and 3 quarter butts of the claw 33 of the second supporting leg 32 are uniformly distributed simultaneously
It is fixedly mounted on the circumference of a circular block 321, the top of circular block 321 and the bottom of the second supporting leg 32 are welding as one, the
The tip and the bottom of circular block 321 of two supporting legs 32 are welding as one.The bottom of claw 33 is serrated, or the bottom of claw 33
Equipped with non-slip mat.
The present invention is one hinged at the top of the second supporting leg 32 in order to enable 32 more preferable support base 1 of the second supporting leg
Support plate 322, and trimming piece 5 is fixed in support plate 322, the angle between 322 and second supporting leg 32 of support plate is obtuse angle,
The angle of inclination of the second supporting leg 32 so can be arbitrarily adjusted, in order to adapt to the slope of all kinds of gradients.
The present invention installation gravimeter when, two first legs 31 are inserted into slope first, and keep first leg 31 with
Vertical plane is parallel, and two the second supporting legs 32 are installed on the upward slope direction of slope, are used to support pedestal 1.It is first before supporting leg 3 is installed
The slope busbar at measurement place is first determined, it is necessary to make the axis of pedestal 1 in the projection of slope surface and the busbar weight on slope during installation
Close.And when determining slope busbar, slope is regarded to the inclined-plane of a huge cone as, its busbar is from peak to lower circumference
Connection.In adjustment, make pedestal 1 that height of the height less than 32 side of the second supporting leg of installation of 31 side of first leg to be installed,
And 31 and second supporting leg 32 of first leg is fixed, then adjust coarse adjustment nut 312 so that lifting gear 6 jacks upwards, support
Trimming piece 5 is played, then 1 side of pedestal is adjusted by trimming piece 5, so that pedestal 1 keeps horizontal.
The second supporting leg 32 of the present invention is the equal of a diagonal brace, therefore more gravimeter 2 can be kept to exist due to outward-dipping
Stability during installation, the phenomenon for preventing centre-of gravity shift from causing gravimeter 2 to fall down.The present invention is when supporting gravimeter 2, by thick
Matched mode is adjusted and finely tuned, pedestal 1 can be made quickly to be adjusted to horizontality, and then makes the also holding level of gravimeter 2
State, and the stabilization of gravimeter 2 can be kept, and by the collocation of coarse adjustment and fine setting, put forward the levelness precision of pedestal 1
Height, so as to improve the measurement accuracy of gravimeter 2.
Above-described is only the preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (10)
1. a kind of support platform for continental gravity data instrument, including pedestal（1）, the pedestal（1）Top be equipped with accommodation space,
Gravimeter is installed in accommodation space（2）, the rounded groove-like of accommodation space, the pedestal（1）Bottom pass through supporting leg（3）Branch
Support, it is characterised in that：The pedestal（1）To be square, pedestal（1）Four corners be respectively equipped with and supporting leg（3）The mounting hole of connection
（4）, mounting hole（4）For blind hole, the supporting leg（3）Equipped with 4, pedestal is respectively arranged on（1）Corner, wherein, two are adjacent
Two supporting legs（3）For first leg（31）, remaining two supporting legs（3）For the second supporting leg（32）, the first leg（31）With
Horizontal plane, and two first legs（31）It is parallel to each other, second supporting leg（32）Outward-dipping fixation, and two
Second supporting leg（32）It is symmetrically distributed in pedestal（1）Bottom, and two the second supporting legs（32）The plane of composition with two first
Supporting leg（31）Angle between the plane of composition is acute angle；The first leg（31）Including supporting leg shell（311）, the supporting leg
Shell（311）Lifting gear is inside installed（6）, the lifting gear（6）By installed in supporting leg shell（311）On coarse adjustment spiral shell
It is female（312）Control, the lifting gear（6）Top be pierced by supporting leg shell（311）Top, and lifting gear（6）Top
Portion passes through trimming piece（5）With pedestal（1）Bottom connection, second supporting leg（32）Also by trimming piece（5）With pedestal（1）'s
Bottom connects, the trimming piece（5）Top pass through supporting rod（9）With mounting hole（4）Coordinate.
2. the support platform according to claim 1 for continental gravity data instrument, it is characterised in that：The lifting gear（6）
Including driving wheel（61）And drive shaft（62）, the driving wheel（61）It is rotatably connected on supporting leg shell（311）The bottom of inner cavity,
The drive shaft（62）One end and driving wheel（61）The core wheel welding of top surface, drive shaft（62）Axle body pass through bearing I（63）
Installed in supporting leg shell（311）It is interior, drive shaft（62）Axle body is positioned at bearing I（63）The part of top is equipped with external screw thread, and
Drive shaft equipped with threaded portion（62）With installed in supporting leg shell（311）Interior elevating lever（64）It is threadedly coupled, elevating lever
（64）Top and trimming piece（5）It is fixed.
3. the support platform according to claim 2 for continental gravity data instrument, it is characterised in that：The elevating lever（64）'s
Bottom is equipped with and drive shaft（62）The matched threaded hole of threaded portion, the depth of threaded hole is more than drive shaft（62）Threaded portion
Length.
4. it is used for the support platform of continental gravity data instrument according to claim 1 ~ 3 any one of them, it is characterised in that：The fine setting
Part（5）Including bearing（51）, the bearing（51）Center be equipped with upper and lower perforative through hole（52）, the through hole（52）'s
Bottom is equipped with ball seat（53）, ball seat（53）Bottom and supporting leg（3）Top fix, through hole（52）Top be rotatably connected to
One fine-tuning nut（54）, through hole（52）Middle part be installed with thread bush（57）, the fine-tuning nut（54）Lower section
A piece regulating rod is installed（55）, regulating rod（55）Bottom be equipped with and be used for and ball seat（53）The hemispheric bulb coordinated
（56）, regulating rod（55）Shaft be equipped with and thread bush（57）The external thread section of cooperation, the bearing（51）Pass through connecting plate
（7）With pedestal（1）It is fixed, the supporting rod（9）It is fixed on connecting plate（7）Top.
5. the support platform according to claim 4 for continental gravity data instrument, it is characterised in that：The through hole（52）'s
Upper and lower ends are in step-like, the through hole（52）Bottom be equipped be used for prevent ball seat（53）Skid off through hole（52）It is anti-
Slip ring（58）, ball seat（53）Side wall be equipped with and anti-slip ring（58）Matched antiskid groove（59）, the antiskid groove（59）
Width and ball seat（53）Stroke be adapted.
6. the support platform according to claim 5 for continental gravity data instrument, it is characterised in that：The fine-tuning nut（54）
Pass through bearing II（8）Installed in through hole（52）Top.
7. the support platform according to claim 6 for continental gravity data instrument, it is characterised in that：The connecting plate（7）'s
Section is in "Ji" type, and connecting plate（7）Both sides be symmetrically distributed in bearing（51）On, the fine-tuning nut（54）Positioned at even
Fishplate bar（7）The lower section at center.
8. the support platform according to claim 7 for continental gravity data instrument, it is characterised in that：The fine-tuning nut（54）
Bottom be equipped with a circular groove（541）, groove（541）Diameter and regulating rod（55）Diameter match, it is described micro-
Adjust bar（55）Top be inserted in groove（541）It is interior.
9. the support platform according to claim 8 for continental gravity data instrument, it is characterised in that：The groove（541）'s
Side wall is equipped with a pair of of guide groove（542）, regulating rod（55）Top be equipped with a pair of of guide rod（551）, the guide rod（551）It is embedding
In guide groove（542）It is interior, and along guide groove（542）Slide, the guide groove（542）Distribution arrangement and bearing（51）Axis
It is parallel.
10. the support platform according to claim 9 for continental gravity data instrument, it is characterised in that：The groove（541）'s
Depth and antiskid groove（59）Equivalent width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711347311.5A CN108008460B (en) | 2017-12-15 | 2017-12-15 | Supporting platform for land gravimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711347311.5A CN108008460B (en) | 2017-12-15 | 2017-12-15 | Supporting platform for land gravimeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108008460A true CN108008460A (en) | 2018-05-08 |
| CN108008460B CN108008460B (en) | 2020-01-03 |
Family
ID=62059090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711347311.5A Expired - Fee Related CN108008460B (en) | 2017-12-15 | 2017-12-15 | Supporting platform for land gravimeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108008460B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434820A (en) * | 2019-08-02 | 2019-11-12 | 黄河科技学院 | A kind of portable vehicle maintenance of works person scooter |
| CN114001699A (en) * | 2021-12-31 | 2022-02-01 | 中国化学工程第十三建设有限公司 | Real estate building area measuring device |
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| CN102734333A (en) * | 2012-07-05 | 2012-10-17 | 北京理工大学 | Universal bulb shaft adjusting bracket for precise guide rail |
| CN202974756U (en) * | 2012-12-26 | 2013-06-05 | 北京林业大学 | Auxiliary support utilized by anchor rod drawing instrument |
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| CN107268354A (en) * | 2017-07-18 | 2017-10-20 | 中南大学 | The general accurate measurement prism bracket of high ferro fragment-free track slab |
| CN206593046U (en) * | 2017-03-30 | 2017-10-27 | 王井平 | A kind of portable street lamp in community |
| CN206707233U (en) * | 2017-05-19 | 2017-12-05 | 国家电网公司 | A kind of movable building construction support |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734333A (en) * | 2012-07-05 | 2012-10-17 | 北京理工大学 | Universal bulb shaft adjusting bracket for precise guide rail |
| CN202974756U (en) * | 2012-12-26 | 2013-06-05 | 北京林业大学 | Auxiliary support utilized by anchor rod drawing instrument |
| CN204114489U (en) * | 2014-10-11 | 2015-01-21 | 蒋余建 | Surveying instrument supporting frame |
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| CN206707233U (en) * | 2017-05-19 | 2017-12-05 | 国家电网公司 | A kind of movable building construction support |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110434820A (en) * | 2019-08-02 | 2019-11-12 | 黄河科技学院 | A kind of portable vehicle maintenance of works person scooter |
| CN114001699A (en) * | 2021-12-31 | 2022-02-01 | 中国化学工程第十三建设有限公司 | Real estate building area measuring device |
| CN114001699B (en) * | 2021-12-31 | 2022-04-12 | 中国化学工程第十三建设有限公司 | Real estate building area measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108008460B (en) | 2020-01-03 |
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