CN111578085A - A harmless fixed chassis device for tripod tiptoe - Google Patents
A harmless fixed chassis device for tripod tiptoe Download PDFInfo
- Publication number
- CN111578085A CN111578085A CN202010555594.8A CN202010555594A CN111578085A CN 111578085 A CN111578085 A CN 111578085A CN 202010555594 A CN202010555594 A CN 202010555594A CN 111578085 A CN111578085 A CN 111578085A
- Authority
- CN
- China
- Prior art keywords
- tripod
- toe
- special
- ratchet wheel
- sleeve
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000001066 destructive effect Effects 0.000 claims 8
- 230000004308 accommodation Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/242—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by spreading of the legs
- F16M11/247—Members preventing slipping of the feet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/32—Undercarriages for supports with three or more telescoping legs
- F16M11/36—Members preventing slipping of the feet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/08—Foot or support base
Abstract
The invention discloses a nondestructive chassis fixing device for a tripod toe, which comprises an antiskid base connected with the tripod toe, wherein the base is connected with the tripod toe through an angle adjusting mechanism, the angle adjusting mechanism comprises a sleeve connected with the tripod toe, the sleeve is fixedly connected with a ratchet wheel and is rotatably connected with a special-shaped movable disc, the outer contour of the special-shaped movable disc close to the ratchet wheel exceeds the outer contour of the ratchet wheel, the ratchet wheel is provided with a limiting structure for limiting the rotating range of the special-shaped movable disc, the antiskid base is rotatably connected with the sleeve, a pawl matched with the ratchet wheel is arranged on the antiskid base, the inner side wall of the pawl is matched with the outer contour of the special-shaped movable disc and the ratchet wheel of the ratchet wheel, and the pawl rotates along with the rotation of the antiskid base within the limiting range of the limiting structure. The invention fully ensures the nondestructive maximization, the installation convenience, the adjustment convenience, the accommodation convenience, the support stability and the reliability.
Description
Technical Field
The invention relates to the technical field of historic building measurement, in particular to a nondestructive chassis fixing device for a tripod toe.
Background
Whether modern buildings or ancient buildings, early exploration and real-time monitoring of the process are very important working procedures, strict measurement and monitoring need a plurality of high-precision and high-precision instruments for auxiliary measurement, the instruments are high in manufacturing cost and easy to damage, the instruments need to be fixed on a tripod in the past measurement, and tripod legs of the tripod are deeply inserted into the ground surface by utilizing the principle of stability of a triangular support so as to stabilize the support of the tripod and prevent the instruments from toppling over.
However, there are two prominent problems with the way to stabilize existing tripods: 1. the tripod must be erected on soft ground surfaces, such as soil; or the tripod can be placed on the ground with larger roughness and obvious depression to better fix the tripod and prevent the tripod from slipping and falling. 2. Since the legs of a tripod are extremely sharp and require penetration into the ground to stabilize it, damage to the ground is often irreversible, particularly to delicate or easily damaged surface materials.
The problem of damage caused by the manner in which the tripod is stabilized is particularly acute in the field of historic buildings. For example, when the surface of the ground is measured in a smoother ancient building room, the toe of the tripod can be inserted into the splicing position of the brick joints as much as possible to prevent lateral slippage; in some weaker ground surface materials, the sharp tips can also damage the ground surface materials. In addition, in the measuring process in the pot holes in the archaeological field, as the underground pot holes are all muddy ground surfaces, the stand feet of the tripod can be pricked into the ground, thereby destroying the archaeological vestige and causing certain measuring trouble. For the reasons, there is a need to develop a nondestructive tripod fixing method to ensure that slippage due to the influence of ground surface materials is avoided, especially for tile ground surfaces; in addition, it is important to ensure that the surface material is not damaged, especially in the field of ancient architecture and other special environments.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a nondestructive chassis fixing device for a tripod toe, which solves the technical problems that the tripod leg is not easy to fix and the ground surface is easy to damage.
The technical scheme of the invention is realized as follows: the utility model provides a harmless fixed chassis device for tripod tiptoe, includes the anti-skidding base that links to each other with the tripod tiptoe, and the base passes through angle adjustment mechanism and links to each other with the tripod tiptoe, angle adjustment mechanism includes the sleeve that links to each other with the tripod tiptoe, and sleeve fixedly connected with ratchet, rotation are connected with heterotypic movable plate, and heterotypic movable plate is close to ratchet tooth's outline and surpasss ratchet tooth's outline, is provided with the limit structure of restriction heterotypic movable plate rotation range on the ratchet, anti-skidding base and sleeve rotate to be connected, be provided with on the anti-skidding base with ratchet complex pawl, the inside wall of pawl cooperatees with the ratchet of the outline of heterotypic movable plate and ratchet of ratchet, and the pawl is hugged closely heterotypic movable.
Furthermore, the limiting structure comprises a stopping protrusion arranged on the ratchet wheel, and an arc-shaped limiting groove matched with the stopping protrusion is arranged on the special-shaped movable disc.
Furthermore, the bottom of the antiskid base is provided with an antiskid pad or a plurality of antiskid bulges.
Furthermore, the lower end surface of the antiskid bulge is spherical.
Further, telescopic bottom is connected with the otic placode, and the otic placode is connected with the fixed axle, the ratchet passes through fixed axle and sleeve fixed connection, abnormal shape activity dish passes through the fixed axle and is connected with the sleeve rotation.
Furthermore, the ear plates are arranged at intervals, and the fixing shaft is arranged between the two ear plates.
Furthermore, the antiskid base is rotatably connected with the fixed shaft through a connecting rod.
Furthermore, the connecting rods are provided with two, and the two connecting rods are symmetrically arranged on two sides of the anti-skidding base.
Further, a friction ring matched with the tripod toe is arranged inside the sleeve.
Furthermore, the upper surface of the friction ring is a smooth surface, and the lower surface of the friction ring is a rough surface.
The invention can be firmly fixed on the toe of the tripod, does not influence the expansion and contraction of the tripod, and realizes the rotation and the fixation at any angle so as to realize the fixed support of any plane. The bottom surface of antiskid base is the great surface of roughness, fully avoids taking place to slide, avoids the tripod side to move and emptys. In addition, the anti-skid base can be conveniently stored and extended, and the sleeve can be conveniently connected with the toe of the tripod without loosening and being difficult to pull out. The invention fully ensures the nondestructive maximization, the installation convenience, the adjustment convenience, the accommodation convenience, the support stability and the reliability.
Drawings
In order to illustrate the embodiments of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the invention, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic view of a first state structure of the present invention;
FIG. 2 is a structural diagram illustrating a second state of the present invention;
FIG. 3 is a structural diagram illustrating a third state of the present invention;
FIG. 4 is a fourth structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
A nondestructive fixed chassis device for a tripod toe is shown in figure 1 and comprises an anti-skid base 6 connected with the tripod toe, and the anti-skid base 6 is in contact with the ground, so that the adverse effect of the conventional tripod toe on the ground is avoided. The bottom of the antiskid base 6 is provided with an antiskid pad or a plurality of antiskid protrusions 62, the lower end faces of the antiskid protrusions 62 are spherical, and the spherical antiskid protrusions form a plurality of point contacts, so that the antiskid effect can be achieved, the pressure can be shared uniformly, and the damage to the base is avoided. Meanwhile, the plurality of anti-skid protrusions are equivalent to a plurality of non-sharp positioning points, so that the anti-skid protrusions can be prevented from sideslipping or dumping as long as one positioning point plays a role in lateral stopping, and meanwhile, the anti-skid protrusions do not need to be specially close to brick joints on the ground for positioning.
The anti-skid base 6 is connected with the tripod toe through the angle adjusting mechanism, and the anti-skid base 6 can be fixed towards a specific angle within a certain range through the rotation and the positioning of the angle adjusting mechanism, so that the anti-skid base is suitable for supporting different terrains.
The angle adjusting mechanism comprises a sleeve 1 connected with a tripod toe, and a friction ring 13 matched with the tripod toe is arranged inside the sleeve 1 and is stable when the angle adjusting mechanism is inserted into the tripod toe. The upper surface of friction ring 13 is smooth surface, lower surface for the rough surface, forms the barb structure in other words, not only is convenient for peg graft, can not loosen easily again.
Two ear plates 11 are arranged at the bottom end of the sleeve 1 at intervals, a fixed shaft 12 is connected between the two ear plates 11, and the fixed shaft 12 is fixedly arranged on the ear plates 11, namely the fixed shaft 12 is fixedly connected with the sleeve 1. The fixed shaft 12 is fixedly provided with a ratchet wheel 4 and is rotationally connected with a special-shaped movable disc 5, and the anti-skid base 6 is rotationally connected with the fixed shaft 12 through a connecting rod 63. The shaped movable disc 5 and the anti-slip seat 6 are able to rotate around the fixed shaft 12, i.e. with respect to the sleeve 1, while the ratchet 4 is fixed with respect to the sleeve 1.
Further, the number of the connecting rods 63 is two, and the two connecting rods 63 are symmetrically arranged on two sides of the antiskid base 6.
Be provided with on the unable adjustment base 6 with ratchet complex pawl 61, when unable adjustment base 6 rotated around fixed axle 12, pawl 61 can cooperate with the ratchet joint, and then realize carrying out angle location to unable adjustment base 6. In order to facilitate the pawl 61 to adjust the positioning angle back and forth, the outer contour of the special-shaped movable disc 5 close to the ratchet teeth of the ratchet wheel 4 exceeds the outer contour of the ratchet teeth, i.e. the pawl 61 rotates along with the anti-skid base 6 and closely clings to the outer contour of the special-shaped movable disc 5 under the action of the special-shaped movable disc 5. However, if the pawl 61 is rotated all the way against the outer contour of the profiled movable disk 5, it will not always snap fit with the ratchet.
In order to ensure that the pawl 61 can be timely and tightly attached to the outer contour of the special-shaped movable disc 5 to rotate and be timely matched with the ratchet in a clamping manner, the ratchet wheel 4 is provided with a limiting structure for limiting the rotating range of the special-shaped movable disc 5. The limiting structure comprises a stopping protrusion 41 arranged on the ratchet wheel 4, and an arc-shaped limiting groove 51 matched with the stopping protrusion 41 is arranged on the special-shaped movable disc 5. The pawl 61 can rotate conveniently without being blocked only when rotating within the coverage range of the special-shaped movable disc 5, and when the pawl 61 exceeds the coverage range of the special-shaped movable disc 5, the pawl 61 can be clamped and matched with the ratchet, so that positioning is realized.
The use process of the invention is as follows:
first, as shown in fig. 1, when the anti-skid base 6 is not unfolded, the left end of the arc-shaped limiting groove 51 is in blocking fit with the blocking protrusion 41, the special-shaped movable disc 5 is located at the right limit position, and at this time, the pawl 61 is in close fit with the special-shaped movable disc 5, and the angles of the two are not changed relatively.
Secondly, as shown in fig. 2, when the anti-skid base 6 is adjusted clockwise, the pawl 61 follows and drives the special-shaped movable disc 5 to rotate clockwise until the right end of the arc-shaped limiting groove 51 is in stop fit with the stop protrusion 41, and the special-shaped movable disc 5 is located at the left limit position.
Thirdly, as shown in fig. 3, the anti-slip base 6 is continuously adjusted clockwise, and at this time, the pawl 61 rotates clockwise relative to the special-shaped movable disc 5 while following, and contacts with the ratchet at the leftmost end of the ratchet, so that clamping fixation is realized.
Fourthly, as shown in fig. 4, if the inclination angle of the anti-skid base 6 needs to be adjusted to be small, the anti-skid base 6 is adjusted counterclockwise. At the moment, the pawl 61 is in clamping fit with the ratchet, and the outer contour of the special-shaped movable disc 5 close to the ratchet of the ratchet 4 exceeds the outer contour of the ratchet, so that the pawl 61 drives the special-shaped movable disc 5 to rotate anticlockwise while following up until the anti-skid base 6 is adjusted to a proper angle.
Step five, when the inclination angle of the anti-skid base 6 needs to be adjusted again, the anti-skid base 6 is continuously adjusted counterclockwise, the pawl 61 drives the special-shaped movable disc 5 to rotate counterclockwise while following, until the left end of the arc-shaped limiting groove 51 is in blocking fit with the blocking protrusion 41, and the special-shaped movable disc 5 is located at the right limit position. At this time, the pawl 61 moves from the matching of the ratchet to the outside of the contour of the special-shaped movable disc 5 while following, and then the adjustment is carried out according to the steps from one to three.
Nothing in this specification is intended to be exhaustive of all conventional and well known techniques.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A kind of nondestructive fixed chassis device used for tripod toe, characterized by that: comprises an anti-skid base (6) connected with the tripod tiptoe, the base (6) is connected with the tripod tiptoe through an angle adjusting mechanism, the angle adjusting mechanism comprises a sleeve (1) connected with the toe of the tripod, the sleeve (1) is fixedly connected with a ratchet wheel (4) and is rotationally connected with a special-shaped movable disc (5), the outer contour of the special-shaped movable disc (5) close to the ratchet wheel (4) exceeds the outer contour of the ratchet wheel, a limiting structure for limiting the rotating range of the special-shaped movable disc (5) is arranged on the ratchet wheel (4), the anti-skid device is characterized in that the anti-skid base (6) is rotatably connected with the sleeve (1), a pawl (61) matched with the ratchet is arranged on the anti-skid base (6), the inner side wall of the pawl (61) is matched with the outer contour of the special-shaped movable disc (5) and the ratchet of the ratchet wheel (4), and the pawl (61) is tightly attached to the outer contour of the special-shaped movable disc (5) to rotate along with the rotation of the anti-skid base (6) within the limit range of the limit structure.
2. The non-destructive fixed chassis device for a tripod toe according to claim 1, wherein: the limiting structure comprises a stopping protrusion (41) arranged on the ratchet wheel (4), and an arc-shaped limiting groove (51) matched with the stopping protrusion (41) is arranged on the special-shaped movable disc (5).
3. The nondestructive mounting chassis apparatus for a tripod toe of claim 2, wherein: the bottom of the antiskid base (6) is provided with an antiskid pad or a plurality of antiskid bulges (62).
4. The non-destructive fixed chassis apparatus for a tripod toe of claim 3, wherein: the lower end surface of the antiskid lug (62) is spherical.
5. A non-destructive mounting base plate apparatus for the tip of a tripod foot according to any one of claims 1 to 4, wherein: the bottom of sleeve (1) is connected with otic placode (11), and otic placode (11) are connected with fixed axle (12), ratchet (4) are through fixed axle (12) and sleeve (1) fixed connection, heterotypic movable plate (5) are connected with sleeve (1) rotation through fixed axle (12).
6. The non-destructive fixed chassis apparatus for a tripod toe of claim 5, wherein: the two ear plates (11) are arranged at intervals, and the fixed shaft (12) is arranged between the two ear plates (11).
7. The non-destructive fixed chassis apparatus for a tripod toe of claim 6, wherein: the antiskid base (6) is rotationally connected with the fixed shaft (12) through a connecting rod (63).
8. The non-destructive fixed chassis apparatus for a tripod toe of claim 7, wherein: the number of the connecting rods (63) is two, and the two connecting rods (63) are symmetrically arranged on two sides of the anti-skidding base (6).
9. A non-destructive mounting chassis device for the toe of a tripod according to any one of claims 1 to 4 and 6 to 8, wherein: and a friction ring (13) matched with the tripod toe is arranged in the sleeve (1).
10. The non-destructive fixed chassis apparatus for a tripod toe of claim 9, wherein: the upper surface of the friction ring (13) is a smooth surface, and the lower surface of the friction ring is a rough surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010555594.8A CN111578085A (en) | 2020-06-17 | 2020-06-17 | A harmless fixed chassis device for tripod tiptoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010555594.8A CN111578085A (en) | 2020-06-17 | 2020-06-17 | A harmless fixed chassis device for tripod tiptoe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111578085A true CN111578085A (en) | 2020-08-25 |
Family
ID=72127423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010555594.8A Pending CN111578085A (en) | 2020-06-17 | 2020-06-17 | A harmless fixed chassis device for tripod tiptoe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111578085A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017075A (en) * | 2021-10-11 | 2022-02-08 | 煤炭科学研究总院 | Support column with rotatable footing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201011969Y (en) * | 2006-12-29 | 2008-01-30 | 陈广贤 | Chair backrest |
| US20080224000A1 (en) * | 2005-09-20 | 2008-09-18 | Yongjian Yang | Tripod For Camera |
| US20100282926A1 (en) * | 2009-05-11 | 2010-11-11 | Suzhou Synta Optical Technology Co., Ltd. | Continuously angle-adjustable multifunction tripod |
| CN108317370A (en) * | 2018-04-07 | 2018-07-24 | 温州奕叶电子有限公司 | A kind of removable high definition radar velocity measurement electronic equipment in expressway |
| CN208048416U (en) * | 2018-03-12 | 2018-11-06 | 陈秀春 | A kind of novel office chair slidable adjustment mechanism |
| CN212251918U (en) * | 2020-06-17 | 2020-12-29 | 河南省文物建筑保护研究院 | Nondestructive fixing chassis device for tripod toe |
-
2020
- 2020-06-17 CN CN202010555594.8A patent/CN111578085A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080224000A1 (en) * | 2005-09-20 | 2008-09-18 | Yongjian Yang | Tripod For Camera |
| CN201011969Y (en) * | 2006-12-29 | 2008-01-30 | 陈广贤 | Chair backrest |
| US20100282926A1 (en) * | 2009-05-11 | 2010-11-11 | Suzhou Synta Optical Technology Co., Ltd. | Continuously angle-adjustable multifunction tripod |
| CN208048416U (en) * | 2018-03-12 | 2018-11-06 | 陈秀春 | A kind of novel office chair slidable adjustment mechanism |
| CN108317370A (en) * | 2018-04-07 | 2018-07-24 | 温州奕叶电子有限公司 | A kind of removable high definition radar velocity measurement electronic equipment in expressway |
| CN212251918U (en) * | 2020-06-17 | 2020-12-29 | 河南省文物建筑保护研究院 | Nondestructive fixing chassis device for tripod toe |
Non-Patent Citations (1)
| Title |
|---|
| 杨清、胡德强、李祖鹏: "家具设计", 30 September 2017, 华中科技大学出版社, pages: 101 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017075A (en) * | 2021-10-11 | 2022-02-08 | 煤炭科学研究总院 | Support column with rotatable footing |
| CN114017075B (en) * | 2021-10-11 | 2023-10-20 | 煤炭科学研究总院有限公司 | Support column with rotatable footing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212251918U (en) | Nondestructive fixing chassis device for tripod toe | |
| CN111578085A (en) | A harmless fixed chassis device for tripod tiptoe | |
| CN212226582U (en) | Survey and drawing auxiliary assembly for urban ground construction engineering | |
| US7604208B2 (en) | Height adjustable, platform leveling multi-pod | |
| CN111457205A (en) | Lifting type measuring instrument supporting tripod | |
| CN209743971U (en) | Surveying instrument support frame | |
| KR100634763B1 (en) | Apparatus for measuring semiconductor wafers thickness | |
| CN212807934U (en) | In-situ miniature lysimeter | |
| CA2314164A1 (en) | Retroflexing metrological reference-target device | |
| CN216049863U (en) | Building engineering measuring device convenient to adjust and use | |
| CN213685940U (en) | Building material detects with quick rotatory positioner | |
| CN211399163U (en) | Surveying and mapping device | |
| CN212805090U (en) | Support frame for civil engineering measuring apparatu | |
| CN210510889U (en) | Surveying instrument positioning device | |
| KR200392282Y1 (en) | Combined level-protractor | |
| CN209759456U (en) | Medical institution air monitoring sampling support | |
| JP3673786B2 (en) | Tripod installation aid | |
| JP2005024531A (en) | Level capable of measuring minute inclination | |
| JPS60500379A (en) | brick masonry profile | |
| CN216431113U (en) | Supporting device for total station landing leg | |
| CN214276849U (en) | Bearing structure for detecting inner circle run-out of bearing sleeve | |
| CN219571482U (en) | Engineering surveying instrument's installation foot rest and engineering surveying instrument | |
| JPH02159502A (en) | Jig for fixing spherical body | |
| CN218156012U (en) | Target ball base matched with laser tracker to measure top surface elevation of roller equipment | |
| CN213422189U (en) | Novel total station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |