CN111578067A - Balance stabilizing mechanism of geological surveying instrument - Google Patents
Balance stabilizing mechanism of geological surveying instrument Download PDFInfo
- Publication number
- CN111578067A CN111578067A CN202010451117.7A CN202010451117A CN111578067A CN 111578067 A CN111578067 A CN 111578067A CN 202010451117 A CN202010451117 A CN 202010451117A CN 111578067 A CN111578067 A CN 111578067A
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- CN
- China
- Prior art keywords
- surveying instrument
- connecting seat
- top end
- bevel gear
- fixedly arranged
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Classifications
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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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
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
- F16H1/14—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising conical gears only
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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
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
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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
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- 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
- F16M2200/04—Balancing means
Abstract
The invention discloses a balance stabilizing mechanism of a geological surveying instrument, which comprises a tripod main body, a bottom plate, a supporting column, a top plate, a connecting seat, a protecting mechanism, an adjusting mechanism and a surveying instrument main body, wherein the bottom plate can be fixedly arranged at the top end of the tripod main body, the supporting column can be fixedly arranged around the top end of the bottom plate, the top plate can be fixedly arranged at the top end of the supporting column, the connecting seat can be fixedly arranged at the top end of the top plate, the protecting mechanism is assembled at one side of the top plate, the adjusting mechanism is assembled at one side of the connecting seat, and the surveying instrument main body is arranged. The device has not only realized more accurate and steady rotation regulation, has also avoided effectively moreover because of the mistake touches the risk of rotating the surveying instrument main part, and it still has protect function simultaneously, can avoid causing the damage to the surveying instrument main part because of empting, uses in a flexible way, and the practicality is strong, satisfies the user demand on the current market.
Description
Technical Field
The invention relates to the technical field of geological mapping, in particular to a balance stabilizing mechanism of a geological mapping instrument.
Background
Geological mapping is the general term for all mapping work involved in conducting geological and mineral surveys and their production maps.
At present, an existing geological surveying instrument is usually matched with a tripod for use, however, when the surveying instrument rotates on the tripod to adjust a surveying angle, a worker can hold a handle of a turntable to complete the operation of rotation measurement of the surveying instrument, but no balance and stability mechanism is arranged in the rotating process of the surveying instrument, so that the rotating amplitude cannot be accurately controlled, and the projecting handle is easy to rotate the surveying instrument with a fixed angle again due to error touch in the surveying process, thereby causing the surveying failure; in the surveying and mapping process, it does not have any function of protecting the instrument, so that if the equipment is toppled, the surveying and mapping instrument will be undoubtedly dropped on the ground, thereby causing damage to the whole body, therefore, based on the above disadvantages, a balance and stability mechanism of the geological surveying and mapping instrument is proposed to improve the problem.
Disclosure of Invention
The invention aims to provide a balance and stability mechanism of a geological surveying instrument, which can solve the technical problems that the amplitude of rotation measurement of the conventional surveying instrument cannot be accurately controlled, the rotation is easy to touch, the integral measurement is influenced, and a protection function is not provided in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a balance stabilizing mechanism of geological mapping instrument comprises
A tripod body;
the bottom plate can be fixedly arranged at the top end of the tripod main body;
the supporting columns can be fixedly arranged on the periphery of the top end of the bottom plate;
the top plate can be fixedly arranged at the top end of the supporting column;
the connecting seat can be fixedly arranged at the top end of the top plate;
still include protection mechanism, adjustment mechanism and surveying instrument main part, protection mechanism assembles one side of roof, adjustment mechanism assembles one side of connecting seat, the surveying instrument main part is installed one side of adjustment mechanism.
Preferably, the protection mechanism includes the spring, the one end of spring is installed the inner chamber outside of roof, the backing plate is installed to the other end of spring, the outside central point of backing plate puts the one end that is provided with the ejector pin, the other end of ejector pin extends the outer wall of roof and installs the baffle.
Preferably, the number of the protection mechanisms is four, and the four protection mechanisms are distributed on the circumference of the outer wall of the top plate at intervals of 90 degrees clockwise.
Preferably, the circumference of the outer wall of the baffle is provided with a rubber pad.
Preferably, adjustment mechanism includes the bull stick, the one end of bull stick is passed through the bearing and is installed on the inner wall of connecting seat, the other end of bull stick extends the outer wall of connecting seat and installs the carousel, the right side of carousel is provided with the calibrated scale, the outer wall left side interference fit of bull stick has first conical gear, the top central point of connecting seat puts the one end of installing the connecting rod through the bearing, and the other end of connecting rod extends into the inner chamber of connecting seat, the base is installed on the top of connecting rod, the top of base with the bottom mutual screw connection of surveying instrument main part, the second conical gear who is connected with first conical gear intermeshing is installed to the bottom of connecting rod.
Preferably, the first bevel gear and the second bevel gear are matched and correspond in position.
The balance stabilizing mechanism of the geological mapping instrument has the advantages that:
1. according to the invention, through the matching among the rotating rod, the rotating disc, the dial and the first bevel gear, the second bevel gear can be driven to drive the connecting rod, the base and the surveying instrument main body to rotate together.
2. According to the invention, through the matching among the spring, the base plate, the ejector rod and the baffle, the surveying instrument main body can be effectively protected when the whole body is toppled, the impact of the road surface to the whole body is relieved, the risk of damage to the surveying instrument main body is greatly reduced, the practicability is strong, and the use requirements in the existing market are met.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the protection mechanism of the present invention;
fig. 3 is a schematic structural diagram of the adjusting mechanism of the present invention.
In the figure: 1. tripod main part, 2, bottom plate, 3, support column, 4, roof, 5, connecting seat, 6, protection mechanism, 61, spring, 62, backing plate, 63, ejector pin, 64, baffle, 7, adjustment mechanism, 71, bull stick, 72, carousel, 73, calibrated scale, 74, first conical gear, 75, connecting rod, 76, base, 77, second conical gear, 8, the surveying instrument main part.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a balanced stabilizing mean of geological survey appearance, including tripod main part 1, the bottom plate 2, support column 3, roof 4, connecting seat 5, protection machanism 6, adjustment mechanism 7 and surveying instrument main part 8, 2 fixed mounting on the top of tripod main part 1 of bottom plate, 3 fixed mounting on the top of bottom plate 2 are around, roof 4 fixed mounting is on the top of support column 3, connecting seat 5 fixed mounting is on the top of roof 4, leave certain space between bottom plate 2 and roof 4, can be used to deposit used instrument when surveying and mapping temporarily, protection machanism 6 assembles in one side of roof 4, adjustment mechanism 7 assembles in one side of connecting seat 5, surveying instrument main part 8 is installed in one side of adjustment mechanism 7.
Preferably, the protection mechanism 6 further comprises a spring 61, one end of the spring 61 is installed outside the inner cavity of the top plate 4, the other end of the spring 61 is installed with a backing plate 62, the spring 61 is a coil spring with an elastic coefficient of 20N/CM, the spring 61 is elastically deformed after being stretched or extruded and is restored to an initial state after external force is removed, one end of a push rod 63 is arranged at the center position outside the backing plate 62, the other end of the push rod 63 extends out of the outer wall of the top plate 4 and is installed with a baffle plate 64, when the whole body is toppled, the baffle plate 64 is firstly contacted with the ground, and the ground exerts impact force on the baffle plate 64 to drive the ejector rods 63 and the backing plate 62 to be pushed inwards, meanwhile, the cushion plate 62 stretches the spring 61, so that the impact force of the ground on the baffle plate 64 can be effectively reduced by means of the elastic force of the spring 61, and the surveying instrument main body 8 is protected from being damaged by the ground.
Preferably, the number of the protection mechanisms 6 is four, and the four protection mechanisms 6 are distributed on the circumference of the outer wall of the top plate 4 at intervals of 90 degrees clockwise, so that the number and the installation positions of the protection mechanisms 6 are clear.
Preferably, a rubber pad is disposed on the outer circumference of the baffle plate 64, so that the baffle plate 64 is prevented from directly making hard contact with the ground, and the damage degree of the baffle plate 64 is reduced.
Preferably, the adjusting mechanism 7 further includes a rotating rod 71, one end of the rotating rod 71 is mounted on the inner wall of the connecting seat 5 through a bearing, the other end of the rotating rod 71 extends out of the outer wall of the connecting seat 5 and is provided with a rotating disc 72, a dial 73 is arranged on the right side of the rotating disc 72, a first bevel gear 74 is in interference fit with the left side of the outer wall of the rotating rod 71, one end of a connecting rod 75 is mounted at the center position of the top end of the connecting seat 5 through a bearing, the other end of the connecting rod 75 extends into the inner cavity of the connecting seat 5, a base 76 is mounted at the top end of the connecting rod 75, the top end of the base 76 is in screw connection with the bottom end of the surveying instrument body 8, a second bevel gear 77 in meshed connection with the first bevel gear 74 is mounted at the bottom end of the connecting rod 75, the rotating disc 72 can drive the rotating rod 71 and the first bevel, The base 76 rotates with the mapper body 8.
Preferably, the first bevel gear 74 and the second bevel gear 77 are matched and correspond in position, so that the installation relationship and the position relationship between the first bevel gear 74 and the second bevel gear 77 are defined, and it is ensured that the rotation of the first bevel gear 74 can drive the second bevel gear 77 to rotate together.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
When the tripod main body 1 is used, the tripod main body 1 is firstly opened and erected, the surveying instrument main body 8 is fixedly arranged on the base 76 by screws, the turntable 72 is rotated, the turntable 72 can drive the rotating rod 71 and the first bevel gear 74 to rotate together, because the first bevel gear 74 and the second bevel gear 77 are mutually meshed, when the first bevel gear 74 rotates, the second bevel gear 77 drives the connecting rod 75, the base 76 and the surveying instrument main body 8 to rotate together, the rotating angle of the surveying instrument main body 8 is adjusted according to the use requirement, after the angle adjustment is finished, the rotation of the turntable 72 is stopped, at the moment, the surveying instrument main body 8 also stops rotating immediately, and the rotating angle of the surveying instrument main body 8 is fixed after the rotation of the surveying instrument main body 8 is stopped by means of the meshing force between the first bevel gear 74 and the second bevel gear 77; when whole emergence is emptyd, baffle 64 can at first contact with ground, ground can exert the impulsive force to baffle 64 this moment, make it promote ejector pin 63 and backing plate 62 to the inboard, backing plate 62 can stretch spring 61 simultaneously, borrow the elasticity of spring 61 and can slow down the impact force of ground to baffle 64 effectively, and then protection surveying instrument main part 8 is not knocked for the damage by ground, the device has not only realized more accurate and steady rotation regulation, and also avoided effectively rotating surveying instrument main part 8's risk because of the mistake is touched, it still has protect function simultaneously, can avoid causing the damage because of empting and surveying instrument main part 8, it is nimble to use, therefore, the clothes hanger is strong in practicability, and the use requirement on the existing market is satisfied.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a balanced stabilizing mean of geological survey appearance which characterized in that: comprises that
A tripod body (1);
the bottom plate (2) can be fixedly arranged at the top end of the tripod main body (1);
the supporting columns (3) can be fixedly arranged on the periphery of the top end of the bottom plate (2);
the top plate (4) can be fixedly arranged at the top end of the supporting column (3);
the connecting seat (5) can be fixedly arranged at the top end of the top plate (4);
still include protection mechanism (6), adjustment mechanism (7) and surveying instrument main part (8), protection mechanism (6) assembly is in one side of roof (4), adjustment mechanism (7) assembly is in one side of connecting seat (5), surveying instrument main part (8) are installed one side of adjustment mechanism (7).
2. The balance stabilization mechanism of a geological mapping apparatus as claimed in claim 1, characterized in that: protection machanism (6) are including spring (61), the one end of spring (61) is installed the inner chamber outside of roof (4), backing plate (62) are installed to the other end of spring (61), the outside central point of backing plate (62) puts the one end that is provided with ejector pin (63), the other end of ejector pin (63) extends the outer wall of roof (4) and installs baffle (64).
3. The balance stabilization mechanism of a geological mapping apparatus as claimed in claim 2, characterized in that: the number of the protection mechanisms (6) is four, and the four protection mechanisms (6) are distributed on the circumference of the outer wall of the top plate (4) at intervals of 90 degrees clockwise.
4. The balance stabilization mechanism of a geological mapping apparatus as claimed in claim 2, characterized in that: and a rubber pad is arranged on the circumference of the outer wall of the baffle plate (64).
5. The balance stabilization mechanism of a geological mapping apparatus as claimed in claim 1, characterized in that: the adjusting mechanism (7) comprises a rotating rod (71), one end of the rotating rod (71) is arranged on the inner wall of the connecting seat (5) through a bearing, the other end of the rotating rod (71) extends out of the outer wall of the connecting seat (5) and is provided with a rotating disc (72), a dial (73) is arranged on the right side of the rotating disc (72), a first bevel gear (74) is in interference fit with the left side of the outer wall of the rotating rod (71), the center position of the top end of the connecting seat (5) is provided with one end of a connecting rod (75) through a bearing, and the other end of the connecting rod (75) extends into the inner cavity of the connecting seat (5), a base (76) is arranged at the top end of the connecting rod (75), the top end of the base (76) is mutually connected with the bottom end of the surveying instrument main body (8) through screws, the bottom end of the connecting rod (75) is provided with a second bevel gear (77) which is meshed with the first bevel gear (74).
6. The balance stabilization mechanism of a geological mapping apparatus according to claim 5, characterized in that: the first bevel gear (74) and the second bevel gear (77) are matched and correspond in position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010451117.7A CN111578067A (en) | 2020-05-25 | 2020-05-25 | Balance stabilizing mechanism of geological surveying instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010451117.7A CN111578067A (en) | 2020-05-25 | 2020-05-25 | Balance stabilizing mechanism of geological surveying instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111578067A true CN111578067A (en) | 2020-08-25 |
Family
ID=72123397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010451117.7A Pending CN111578067A (en) | 2020-05-25 | 2020-05-25 | Balance stabilizing mechanism of geological surveying instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN111578067A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088075A (en) * | 2021-12-08 | 2022-02-25 | 鲁康龙 | Combined type mapping instrument positioning and adjusting device for geological engineering mapping |
| CN115059837A (en) * | 2022-06-09 | 2022-09-16 | 广州后作科技有限公司 | Obstacle-avoiding type rotating support special for laser surveying instrument |
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| CN210135925U (en) * | 2019-08-29 | 2020-03-10 | 长春市正合测绘服务有限责任公司 | Supplementary mapping device of mapping engineering |
| CN210240996U (en) * | 2019-07-10 | 2020-04-03 | 崔鹏 | Mapping and supporting device convenient for positioning and used for urban construction planning |
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| US20170336204A1 (en) * | 2015-05-21 | 2017-11-23 | STABILA Messgeräte Gustav Ullrich GmbH | Method for operating a construction laser |
| CN208206127U (en) * | 2018-04-20 | 2018-12-07 | 郑州德威机械设备有限公司 | A kind of accurate levelling formula plotting board |
| CN208635775U (en) * | 2018-07-25 | 2019-03-22 | 李平 | A kind of project cost measuring device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088075A (en) * | 2021-12-08 | 2022-02-25 | 鲁康龙 | Combined type mapping instrument positioning and adjusting device for geological engineering mapping |
| CN114088075B (en) * | 2021-12-08 | 2023-07-21 | 鲁康龙 | Combined type surveying instrument positioning and adjusting device for geological engineering surveying and mapping |
| CN115059837A (en) * | 2022-06-09 | 2022-09-16 | 广州后作科技有限公司 | Obstacle-avoiding type rotating support special for laser surveying instrument |
| CN115059837B (en) * | 2022-06-09 | 2023-06-02 | 广州后作科技有限公司 | Special obstacle-avoidance type rotating support for laser surveying instrument |
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Application publication date: 20200825 |
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