CN112923913A - Novel measurement and mapping device for constructional engineering - Google Patents
Novel measurement and mapping device for constructional engineering Download PDFInfo
- Publication number
- CN112923913A CN112923913A CN202110218187.2A CN202110218187A CN112923913A CN 112923913 A CN112923913 A CN 112923913A CN 202110218187 A CN202110218187 A CN 202110218187A CN 112923913 A CN112923913 A CN 112923913A
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- China
- Prior art keywords
- surveying
- channel
- seat
- thick bamboo
- heat dissipation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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- 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
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- 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
Abstract
The invention relates to a novel surveying and mapping device for construction engineering, which comprises a tripod and a surveying and mapping instrument, wherein a weight adjusting structure is arranged above the tripod, a placing seat is arranged at the upper part of the weight adjusting structure, a fixing seat and an adjusting structure are arranged on the placing seat, and a heat dissipation structure is also arranged outside the placing seat; the adjusting structure can assist an operator to adjust the height and the angle of the surveying instrument, so that the use requirement is met; the heat dissipation structure can effectively dissipate heat of the surveying instrument when extreme weather (such as burning sun high temperature) occurs, and damage caused by rapid temperature increase of the surveying instrument is avoided.
Description
Technical Field
The invention relates to the technical field of engineering surveying and mapping equipment, in particular to a novel surveying and mapping device for constructional engineering.
Background
Surveying and mapping in building engineering is measurement and mapping, which is based on computer technology, photoelectric technology, network communication technology, space science and information science, takes global navigation positioning system, remote sensing and geographic information system as technical core, obtains figure and position information reflecting current situation of ground by measuring existing characteristic points and boundaries of ground through measuring means, and is used for planning design and administrative management of engineering construction The distance measuring instrument, the angle measuring instrument, the height measuring instrument, the mapping instrument, the photogrammetry instrument and the like.
Surveying devices typically include a surveying instrument and a tripod beneath the surveying instrument, and have the following problems in use: 1) the tripod adopts a drawing structure, so that the foot rods are easy to slide, and the accuracy of a measuring result is influenced; 2) the surveying instrument is not firmly fixed on the tripod, and the surveying instrument falls off from the tripod frequently; 3) the operator is careless when adjusting the angle of the surveying instrument due to the worry that the surveying instrument falls off from the tripod, so that the height of the surveying instrument and the working strength of angle adjustment are increased; 4) because the surveying and mapping work is mostly outdoor, the high temperature of burning sun is inevitable, the temperature of the surveying and mapping instrument is increased sharply, and the damage is easily caused by exposure to the sun.
Disclosure of Invention
The invention aims to provide a novel surveying and mapping device for constructional engineering, which is used for solving the technical problems in the prior art.
In order to achieve the purpose, the novel surveying and mapping device for the construction engineering provided by the invention adopts the following technical scheme:
the utility model provides a novel building engineering is with measuring mapping device, includes tripod and surveying instrument, the tripod top is provided with weight adjustable accent heavy structure, it is provided with and places the seat to transfer heavy structure upper portion, it is provided with the fixing base that is used for fixed surveying instrument and drives the fixing base lift and pivoted regulation structure on the seat to place, it still is provided with heat radiation structure to place the seat outside, transfer heavy structure and place the seat and have from top to bottom link up in order to make things convenient for the surveying instrument to survey the observation passageway under.
The novel surveying and mapping device for the building engineering provided by the invention has the beneficial effects that: according to the using state of the whole device, an operator can adjust the weight of the weight adjusting structure, when the whole device is used, the surveying instrument is supported on a corresponding foundation through the tripod, at the moment, the weight of the whole device can be increased by increasing the weight of the weight adjusting structure, so that the tripod is stably supported on the corresponding foundation, the phenomenon that the surveying instrument falls off due to sliding is avoided, when the surveying and mapping work is finished, the weight of the whole device can be reduced by reducing the weight of the weight adjusting structure, and the whole device is convenient to transport; the adjusting structure can assist an operator to adjust the height and the angle of the surveying instrument, so that the use requirement is met; the heat dissipation structure can effectively dissipate heat of the surveying instrument when extreme weather (such as burning sun high temperature) occurs, and damage caused by rapid temperature increase of the surveying instrument is avoided.
Further, transfer heavy structure including articulate the storage water tank on tripod upper portion, the storage water tank has the water inlet of leaning on arranging and the delivery port of arranging by lower, the storage water tank is used for adding water in order to increase the weight of whole device and then avoid the tripod bottom to slide at surveying and mapping appearance during operation, thereby still is used for the convenient transportation of weight of drainage in order to alleviate whole device behind the survey and mapping work completion, the middle part of storage water tank is provided with the first passageway that link up from top to bottom. The water is used as liquid, the mobility is high, the weight of the water storage tank is adjusted by using the water as a medium, and the water storage tank is convenient and quick.
Further, heat radiation structure is including setting up the heat dissipation section of thick bamboo on storage water tank upper portion, and the section of thick bamboo wall of heat dissipation section of thick bamboo is hollow structure, heat dissipation section of thick bamboo upper end opening lower extreme seals and the lower terminal surface forms place the seat, the water storage tank connection is provided with and is used for squeezing into the miniature water pump in the heat dissipation section of thick bamboo wall with the water in the storage water tank, still is provided with level sensor in the heat dissipation section of thick bamboo, the outside of heat dissipation section of thick bamboo still is provided with the controller that is used for controlling level sensor and miniature water pump, the section of thick bamboo wall up end of heat dissipation section of thick bamboo is provided. The heat dissipation structure utilizes water in the water storage tank as a heat dissipation source, and when weather is normal, the water is only used as a weight adjusting medium in the water storage tank; when the weather appears unusually, water can be taken away and squeeze into in order to the surveying instrument heat dissipation on placing the seat in the heat dissipation section of thick bamboo wall by miniature pump, has fully improved the usage of storage water tank, like this, will transfer heavy structure and heat radiation structure to combine in other words, whole device is compacter.
Further, adjust the structure including setting up the lift cylinder on placing the seat, the upper end of lift cylinder is connected with the diaphragm, it is equipped with to rotate on the diaphragm the fixing base, the fixing base is used for placing the surveying instrument, be provided with on the diaphragm in the upper and lower direction with the second passageway that first passageway aligns.
Further, the transverse plate is provided with a bearing, the bottom of the fixing seat is provided with a rotating shaft inserted into the bearing, the peripheral surface of the rotating shaft is further sleeved with a damper, a third channel aligned with the first channel and the second channel in the vertical direction is arranged inside the rotating shaft, the fixing seat is provided with a fourth channel aligned with the first channel, the second channel and the third channel, and the first channel, the second channel, the third channel and the fourth channel form the observation channel. The application of force of operating personnel rotates surveying instrument to suitable position back slack hand, and the fixing base can stop fast under the effect of attenuator, has avoided the fixing base to continue rotatoryly under the inertial action, has made things convenient for operating personnel's use.
Furthermore, the placing seat is further provided with guide rods which extend up and down and penetrate through the transverse plate, the placing seat is provided with through holes which are used for the guide rods to penetrate through and are matched with the rod diameter of the guide rods in size, and the number of the guide rods is two. Under the guide effect of guide bar, the orbit of reciprocating of diaphragm is more stable, has also improved the stability of surveying instrument work.
Further, the fixing base is the staving that upper end opening lower extreme sealed, the inside of staving forms the chamber of placing the surveying instrument, the upper end opening of staving is connected with from inside to outside, from the outer board that expands that the bottom-up slope was arranged, expand the board outward and be used for guiding the surveying instrument to put into and place the chamber.
Furthermore, the cavity wall of the placing cavity is provided with an energy storage part which is annularly arranged and used for jacking the mapping instrument. Under the pushing action of the energy storage part, the placement of the surveying instrument in the placement cavity is more stable and reliable.
Further, the energy storage part is made of buffering and vibration absorbing materials.
Drawings
Fig. 1 is a schematic view of a novel surveying and mapping device for construction engineering provided by the present invention (surveying and mapping instrument is not shown);
FIG. 2 is a schematic view of the water storage tank of FIG. 1;
FIG. 3 is an enlarged schematic view at A in FIG. 1;
fig. 4 is an enlarged schematic view at B in fig. 1.
Reference numbers in the figures: 1. a tripod; 3. a placing seat; 4. a fixed seat; 5. a water storage tank; 6. a water inlet; 7. a water outlet; 8. a heat-dissipating cylinder; 9. a micro water pump; 10. a controller; 11. filtering the plate; 12. a lifting cylinder; 13. a transverse plate; 15. a bearing; 16. a rotating shaft; 17. a damper; 18. a guide bar; 19. a placement chamber; 20. an outward expansion plate; 21. an energy storage member; 22. a first channel; 23. a second channel; 24. a third channel; 25. and a fourth channel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The invention is described in further detail below with reference to the following figures and detailed description:
the invention provides a specific embodiment of a novel surveying and mapping device for constructional engineering, which comprises the following steps:
as shown in fig. 1 to 4, a novel surveying and mapping device for building engineering, including tripod 1 and surveying instrument, tripod 1 top is provided with weight adjustable accent heavy structure, and accent heavy structure upper portion is provided with places seat 3, places and is provided with the fixing base 4 that is used for fixed surveying instrument on the seat 3 and drives fixing base 4 lift and pivoted regulation structure, places the seat 3 outside and still is provided with heat radiation structure, transfers heavy structure and places the seat and have from top to bottom link up in order to make things convenient for the surveying instrument to survey the observation passageway under. According to the using state of the whole device, an operator can adjust the weight of the weight adjusting structure, when the whole device is used, the surveying instrument is supported on a corresponding foundation through the tripod 1, at the moment, the weight of the whole device can be increased by increasing the weight of the weight adjusting structure, so that the tripod 1 is stably supported on the corresponding foundation, the surveying instrument is prevented from sliding and falling, when the surveying and mapping work is finished, the weight of the whole device can be reduced by reducing the weight of the weight adjusting structure, and the whole device is convenient to transport; the adjusting structure can assist an operator to adjust the height and the angle of the surveying instrument, so that the use requirement is met; the heat radiation structure can effectively radiate the surveying instrument when extreme weather (such as burning sun high temperature) occurs, and the damage caused by the sharp increase of the temperature of the surveying instrument is avoided.
As shown in fig. 1 and 2, transfer heavy structure including articulate storage water tank 5 on tripod 1 upper portion, storage water tank 5 has the water inlet 6 of leaning on arranging and the delivery port 7 of leaning on arranging down, storage water tank 5 is used for adding water and then avoid tripod 1 bottom to slide with the weight that increases whole device when the surveying instrument work, thereby still is used for the drainage conveniently transporting in order to alleviate the weight of whole device after the survey and drawing work is finished, thereby storage water tank 5's middle part is provided with first passageway 22 that link up from top to bottom. The water is used as liquid, has high fluidity, is used as a medium to adjust the weight of the water storage tank 5, and is convenient and quick. In addition, heat radiation structure is including setting up a heat dissipation section of thick bamboo 8 on storage water tank 5 upper portion, the section of thick bamboo wall of a heat dissipation section of thick bamboo 8 is hollow structure, 8 upper end openings lower extreme seals of a heat dissipation section of thick bamboo and lower terminal surface form place seat 3, storage water tank 5 is connected and is provided with the miniature pump 9 that is arranged in squeezing into the water of storage water tank 5 to 8 section of thick bamboos of a heat dissipation section of thick bamboo wall, still be provided with level sensor (not shown in the figure in the heat dissipation section of thick bamboo 8, the outside of a heat dissipation section of thick bamboo 8 still is provided with the controller 10 that is used for controlling level sensor and miniature pump 9, the section of. The heat dissipation structure utilizes water in the water storage tank 5 as a heat dissipation source, and when weather is normal, the water is only used as a weight adjusting medium in the water storage tank 5; when the weather appears unusually, water can be taken away and squeeze into 8 section of thick bamboo walls of heat dissipation section of thick bamboo by miniature pump 9 and dispel the heat in order to placing the mapping instrument heat dissipation on the seat 3, has fully improved the usage of storage water tank 5, like this, will transfer heavy structure and heat radiation structure to combine in other words, whole device is compacter.
In other embodiments, a medium with a slightly poor fluidity can be used instead, for example, quicksand, and the water inlet and the water outlet can be arranged on the wall of the heat dissipation cylinder.
As shown in fig. 1, the adjusting structure includes a lifting cylinder 12 disposed on the placing base 3, a horizontal plate 13 is connected to an upper end of the lifting cylinder 12, a fixing base 4 is rotatably mounted on the horizontal plate 13, the fixing base 4 is used for placing the surveying instrument, and a second channel 23 aligned with the first channel 22 in the up-down direction is disposed on the horizontal plate 13. In other embodiments, the lifting cylinder may be replaced by a servo electric cylinder.
As shown in fig. 3, the transverse plate 13 is provided with a bearing 15, the bottom of the fixed seat 4 is provided with a rotating shaft 16 inserted into the bearing 15, the outer peripheral surface of the rotating shaft 16 is further sleeved with a damper 17, a third channel 24 aligned with the first channel 22 and the second channel 23 in the vertical direction is arranged inside the rotating shaft 16, a fourth channel 25 aligned with the first channel 22, the second channel 23 and the third channel 24 is arranged at the bottom of the fixed seat 4, and the first channel 22, the second channel 23, the third channel 24 and the fourth channel 25 form an observation channel. The operator application of force rotates surveying instrument to suitable position back slack hand, and fixing base 4 can stop down fast under the effect of attenuator 17, has avoided fixing base 4 to continue rotatoryly under the inertial action, has made things convenient for operator's use. In other embodiments, no damper may be provided.
As shown in fig. 1, the placing base 3 is further provided with two guide rods 18 extending up and down and penetrating through the transverse plate 13, the placing base 3 is provided with through holes for the guide rods 18 to penetrate through, and the size of the through holes is matched with the rod diameter size of the guide rods 18, and the number of the guide rods 18 is two. Under the guiding action of the guide rod 18, the up-and-down movement track of the transverse plate 13 is more stable, and the working stability of the surveying instrument is also improved.
As shown in fig. 1-4. Fixing base 4 is the staving that upper end opening lower extreme sealed, and the inside of staving forms the chamber 19 of placing the surveying instrument, and the upper end opening of staving is connected with from inside to outside, from the bottom up slope arrange expand board 20 outward, expand board 20 outward and be used for guiding the surveying instrument to put into and place chamber 19. In other embodiments, the holder may be a single plate, and the surveying instrument may be fixed to the holder by other removable means (e.g. bolting).
As shown in fig. 1 to 4, the wall of the placement chamber 19 has an energy accumulator 21 arranged in a ring shape for pressing the surveying instrument. Under the pushing action of the energy storage part 21, the placement of the surveying instrument in the placement cavity 19 is more stable and reliable. Specifically, the energy storage member 21 is a damping and shock absorbing material, such as silicone rubber and foam, and in other embodiments, the energy storage member may be a coil spring.
The working principle of the novel surveying and mapping device for the construction engineering provided by the invention is as follows: according to the using state of the whole device, an operator can adjust the weight of the weight adjusting structure, when the whole device is used, the surveying instrument is supported on a corresponding foundation through the tripod 1, at the moment, water is added into the water storage tank 5 through the water inlet 6, the weight of the whole device can be increased, so that the tripod 1 is stably supported on the corresponding foundation, the surveying instrument is prevented from sliding and falling, when the surveying and mapping work is finished, the water in the water storage tank 5 is discharged through the water outlet 7, the weight of the whole device can be reduced, and the whole device is convenient to transport; the adjusting structure can assist an operator to adjust the height and the angle of the surveying instrument, so that the use requirement is met; in the process, through the operation controller 10, an operator can control the micro water pump 9 to pump water in the water storage tank 5 into the cylinder wall of the heat dissipation cylinder 8 to dissipate heat, the liquid level sensor can set the liquid level height of the water needing to be pumped into the cylinder wall of the heat dissipation cylinder 8 in advance, and then when extreme weather (such as burning sun high temperature) occurs, the surveying instrument is effectively dissipated heat, and damage caused by rapid temperature increase of the surveying instrument is avoided.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a novel building engineering is with measuring survey and drawing device, includes tripod and surveying instrument, its characterized in that: the tripod top is provided with weight adjustable accent heavy structure, accent heavy structure upper portion and be provided with and place the seat, it is provided with the fixing base that is used for fixed surveying instrument and drives the fixing base lift and the pivoted structure of adjusting on the seat to place, it still is provided with heat radiation structure to place the seat outside, transfer heavy structure and place the seat and have from top to bottom link up in order to make things convenient for the surveying instrument to survey the observation passageway under.
2. The novel surveying and mapping device for construction engineering according to claim 1, characterized in that: transfer heavy structure including articulate the storage water tank on tripod upper portion, the storage water tank has the water inlet of leaning on arranging and the delivery port of arranging by lower, the storage water tank is used for adding water and then avoids the tripod bottom to slide with the weight that increases whole device at surveying and mapping appearance during operation, thereby still is used for the convenient transportation of weight in order to alleviate whole device of drainage after the survey and mapping work is finished, the middle part of storage water tank is provided with the first passageway that link up from top to bottom.
3. The novel surveying and mapping device for construction engineering according to claim 2, characterized in that: the heat radiation structure is including setting up the heat dissipation section of thick bamboo on storage water tank upper portion, and the section of thick bamboo wall of heat dissipation section of thick bamboo is hollow structure, heat dissipation section of thick bamboo upper end opening lower extreme seals and the lower terminal surface forms place the seat, the water storage tank connection is provided with and is used for squeezing into the miniature pump in the heat dissipation section of thick bamboo wall with the water in the storage water tank, still is provided with level sensor in the heat dissipation section of thick bamboo, the outside of heat dissipation section of thick bamboo still is provided with the controller that is used for controlling level sensor and miniature pump, the section of thick bamboo wall up end of heat dissipation section of thick bamboo is.
4. The novel surveying and mapping device for construction engineering according to claim 2 or 3, characterized in that: the adjusting structure comprises a lifting cylinder arranged on the placing seat, the upper end of the lifting cylinder is connected with a transverse plate, the transverse plate is assembled with a fixing seat in a rotating mode, the fixing seat is used for placing a surveying and mapping instrument, and a second channel aligned with the first channel is arranged on the transverse plate in the up-down direction.
5. The novel surveying and mapping device for construction engineering according to claim 4, characterized in that: the device comprises a transverse plate, a bearing, a rotating shaft and a damper, wherein the rotating shaft is arranged at the bottom of a fixing seat and used for being inserted into the bearing, the damper is further sleeved on the outer peripheral surface of the rotating shaft, a third channel aligned with a first channel and a second channel in the vertical direction is arranged inside the rotating shaft, a fourth channel aligned with the first channel, the second channel and the third channel is arranged on the fixing seat, and the first channel, the second channel, the third channel and the fourth channel form an observation channel.
6. The novel surveying and mapping device for construction engineering according to claim 4, characterized in that: the placing seat is further provided with guide rods which extend up and down and penetrate through the transverse plate, the placing seat is provided with through holes which are used for the guide rods to penetrate through and are matched with the rod diameter of the guide rods in size, and the number of the guide rods is two.
7. The novel surveying and mapping device for construction engineering according to claim 5 or 6, characterized in that: the fixing base is the staving that upper end opening lower extreme sealed, the inside of staving forms the chamber of placing the surveying instrument, the upper end opening of staving is connected with from inside to outside, the outer board that expands that the from bottom to top slope was arranged, expand the board outward and be used for guiding the surveying instrument to put into and place the chamber.
8. The novel surveying and mapping device for construction engineering according to claim 7, characterized in that: the wall of the placing cavity is provided with an energy storage part which is annularly arranged and used for jacking the mapping instrument.
9. The novel surveying and mapping device for construction engineering according to claim 8, characterized in that: the energy storage part is made of a buffering and vibration absorbing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110218187.2A CN112923913B (en) | 2021-02-26 | 2021-02-26 | Surveying and mapping device for constructional engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110218187.2A CN112923913B (en) | 2021-02-26 | 2021-02-26 | Surveying and mapping device for constructional engineering |
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| Publication Number | Publication Date |
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| CN112923913A true CN112923913A (en) | 2021-06-08 |
| CN112923913B CN112923913B (en) | 2023-03-10 |
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| CN202110218187.2A Active CN112923913B (en) | 2021-02-26 | 2021-02-26 | Surveying and mapping device for constructional engineering |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060086871A1 (en) * | 2004-10-27 | 2006-04-27 | Council Of Scientific And Industrial Research | Adjustable tripod mechanism to support devices or transducers for scientific measurement |
| CN103335640A (en) * | 2013-06-18 | 2013-10-02 | 中国电子科技集团公司第二十六研究所 | Automatic leveling and gyroscopic orientation sighting device |
| CN208140113U (en) * | 2018-05-24 | 2018-11-23 | 福建晟洲信息科技有限公司 | A kind of mapping triangle foot prop that thermal diffusivity is strong |
| CN209859528U (en) * | 2019-04-28 | 2019-12-27 | 厦门齐大广告传媒有限公司 | Multifunctional display screen convenient to adjust for activity performance |
| CN112074163A (en) * | 2020-09-12 | 2020-12-11 | 孙宏梅 | Curve surveying instrument for building engineering measurement |
-
2021
- 2021-02-26 CN CN202110218187.2A patent/CN112923913B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060086871A1 (en) * | 2004-10-27 | 2006-04-27 | Council Of Scientific And Industrial Research | Adjustable tripod mechanism to support devices or transducers for scientific measurement |
| CN103335640A (en) * | 2013-06-18 | 2013-10-02 | 中国电子科技集团公司第二十六研究所 | Automatic leveling and gyroscopic orientation sighting device |
| CN208140113U (en) * | 2018-05-24 | 2018-11-23 | 福建晟洲信息科技有限公司 | A kind of mapping triangle foot prop that thermal diffusivity is strong |
| CN209859528U (en) * | 2019-04-28 | 2019-12-27 | 厦门齐大广告传媒有限公司 | Multifunctional display screen convenient to adjust for activity performance |
| CN112074163A (en) * | 2020-09-12 | 2020-12-11 | 孙宏梅 | Curve surveying instrument for building engineering measurement |
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| CN112923913B (en) | 2023-03-10 |
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