CN111156386A - Surveying and mapping device for indoor design - Google Patents
Surveying and mapping device for indoor design Download PDFInfo
- Publication number
- CN111156386A CN111156386A CN202010129852.6A CN202010129852A CN111156386A CN 111156386 A CN111156386 A CN 111156386A CN 202010129852 A CN202010129852 A CN 202010129852A CN 111156386 A CN111156386 A CN 111156386A
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- Prior art keywords
- rod
- surveying
- sleeve
- supporting
- supporting rod
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- 238000013507 mapping Methods 0.000 title claims abstract description 29
- 238000013461 design Methods 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000005259 measurement Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- 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
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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
- F16M11/28—Undercarriages for supports with one single telescoping pillar
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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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a surveying and mapping device for indoor design, which comprises a supporting rod and a plurality of side rods hinged on the outer side wall of the supporting rod, wherein the top ends of the side rods are provided with an upper and lower adjusting assembly, the upper and lower adjusting assembly comprises an outer sleeve and a supporting sleeve, the outer sleeve is sleeved at the top end of the supporting rod, the outer side wall of the supporting rod is provided with a vertical chute, the inner side wall of the outer sleeve is provided with a slide rail which is mutually matched and connected with the vertical chute, the supporting sleeve is sleeved at the outer side of the supporting rod through threads, the top end of the outer sleeve is fixedly provided with a connecting box body, an angle adjusting assembly is arranged in the connecting box body, the angle adjusting assembly comprises an adjusting rod and a transmission shaft, the top end of the transmission shaft is connected with a mounting plate, and the whole body does not need to be repositioned and fixed during adjustment, so that the efficiency and the precision of mapping are improved.
Description
Technical Field
The invention relates to a measuring instrument, in particular to a surveying and mapping device for indoor design.
Background
Planning design, construction and management in the engineering construction stage carry out measurement work and often need use mapping device, can be used to various orientation that measurement work required used, the aspect such as range finding, angle of measurement, height finding, mapping and photogrammetry, current mapping device is including the mapping appearance main part usually, have various auxiliary devices that are used for installing, fixing a position the mapping appearance in the mapping appearance main part, when indoor measurement, usually have the tripod to prop up the mapping appearance, but current tripod function singleness only has simple positioning action, can not conveniently transform the position of mapping meaning main part, use the flexibility relatively poor.
Disclosure of Invention
The present invention is directed to a surveying and mapping apparatus for indoor design, which solves one or more of the problems of the prior art and provides at least one of the advantages of the prior art.
The solution of the invention for solving the technical problem is as follows:
a surveying and mapping device for indoor design comprises a supporting rod and a plurality of side rods hinged on the outer side wall of the supporting rod, wherein upper and lower adjusting components are arranged at the top ends of the side rods, each upper and lower adjusting component comprises an outer sleeve and a supporting sleeve, the outer sleeve is sleeved at the top end of the supporting rod, the outer side wall of the supporting rod is provided with a vertical sliding groove, the inner side wall of the outer sleeve is provided with a sliding rail which is matched and connected with the vertical sliding groove, the supporting sleeve is sleeved at the outer side of the supporting rod through threads, the bottom end of the outer sleeve is abutted against the top end of the supporting sleeve, a connecting box body is fixedly arranged at the top end of the outer sleeve, an angle adjusting component is arranged in the connecting box body and comprises an adjusting rod and a transmission shaft, one end of the, adjust the pole through first bearing connect in on the lateral wall of connecting the box, the bottom of transmission shaft pass through the second bearing connect in the inner diapire of connecting the box, the top of transmission shaft is passed the roof of connecting the box is connected with the mounting panel, it is located to adjust the pole one end in the connecting box pass through the gear with the transmission shaft transmission is connected, be provided with the surveying instrument main part on the mounting panel.
The technical scheme at least has the following beneficial effects: when the surveying instrument is used, the side lever is turned and opened in a direction away from the supporting rod, the side lever and the supporting rod jointly form a stable supporting structure, the mounting plate is provided with a surveying instrument main body for measuring various required parameters, when the position of the surveying instrument main body needs to be finely adjusted, if the surveying instrument main body needs to be adjusted up and down, the position can be adjusted through the up-down adjusting assembly, specifically, the supporting sleeve plays a role in supporting and bearing the outer sleeve, the supporting sleeve rotates to enable the supporting sleeve to move up and down on the supporting rod through the threaded fit of the supporting sleeve and the supporting rod, the outer sleeve moves up and down along with the supporting sleeve, and the relative rotation between the outer sleeve and the supporting sleeve is not generated through the matching limit of the sliding rail and the vertical sliding groove, so that the up-down position fine adjustment can be performed on the surveying, specifically, the adjusting rod is rotated to drive the transmission shaft to rotate and drive the mounting plate to rotate, so that the angle of the surveying instrument main body on the mounting plate is adjusted, therefore, the invention can conveniently finely adjust the position of the surveying instrument main body to better adapt to different indoor placing positions and surveying requirements, does not need to reposition and fix the whole body during adjustment, and improves the efficiency and precision of surveying and surveying.
As a further improvement of the technical scheme, a plurality of rollers are arranged on the bottom surface of the mounting plate, and when the mounting plate rotates, the rollers roll on the top surface of the connecting box body. The gyro wheel can play the supporting role to the mounting panel to reduce the mounting panel and be connected the friction between the box top surface, make the mounting panel rotate more stably, smoothly.
As a further improvement of the above technical solution, the bottom end of the outer sleeve is connected to the top end of the support sleeve through a third bearing. The friction between the outer sleeve and the supporting sleeve can be reduced by utilizing the third bearing, so that the supporting sleeve is more stable in rotation.
As a further improvement of the technical scheme, one end of the adjusting rod, which is positioned outside the connecting box body, is fixedly provided with a knob. The adjusting rod is rotated through the knob, so that the use is more convenient.
As a further improvement of the technical scheme, the bottom ends of the supporting rods and the bottom ends of the side rods are sleeved with anti-skidding sleeves. The anti-slip sleeve can be used for enabling the support rod and the side rod to be placed more stably, and the phenomenon of slippage easily caused is avoided.
As a further improvement of the above technical solution, a side wall of the bottom of the side bar is provided with an accommodating groove, the accommodating groove is connected with a pin through a first rotating shaft, and a rotation axis of the pin is perpendicular to a length extending direction of the side bar. If the ground is a sand surface or an uneven plane, the pins can be overturned out from the accommodating grooves, so that the pins are inserted into the ground, the fixing is more convenient, and the pins are accommodated into the accommodating grooves if the pins are not needed to be used, so that the normal support of the side rods is not influenced.
As a further improvement of the above technical scheme, a limit sleeve is sleeved on the support rod and located below the support sleeve, a limit rod is arranged between the limit sleeve and the side rod, one end of the limit rod is connected to the side rod through a second rotating shaft, and the other end of the limit rod is connected to the limit sleeve through a third rotating shaft. Utilize the gag lever post to connect between side lever and spacing sleeve, can be so that whole bearing structure is more stable, and whole bearing capacity is stronger.
As a further improvement of the technical scheme, a screw hole is formed in the limiting sleeve, a screw rod is connected in the screw hole in a matched mode, and one end of the screw rod is abutted to the supporting rod. When the angle of the side lever outwards overturning is limited, and the side lever cannot be fully unfolded to form stable support, the position of the limiting sleeve on the supporting rod can be adjusted, the limiting rod between the limiting sleeve and the side lever is tensioned, and the screw rod is locked on the supporting rod, so that the application range is wider, and the use is more flexible.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.
Fig. 1 is a schematic view of the overall structure of the present invention.
In the drawings: 100-support bar, 200-side bar, 210-pin, 310-outer sleeve, 320-support sleeve, 400-connection box, 510-adjustment bar, 511-knob, 520-transmission shaft, 600-mounting plate, 610-roller, 700-surveying instrument body, 810-limit sleeve, 820-limit bar and 830-screw.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
Referring to fig. 1, a surveying and mapping device for indoor design includes a supporting rod 100, a side rod 200 may be hinged to the supporting rod 100 by a hinge, an upper and lower adjusting assembly is disposed at the top end of the side rod 200, the upper and lower adjusting assembly includes an outer sleeve 310 and a supporting sleeve 320, the outer sleeve 310 is sleeved on the top end of the supporting rod 100, a vertical sliding groove is disposed on the outer side wall of the supporting rod 100, a sliding rail is disposed on the inner side wall of the outer sleeve 310 and is in fit connection with the vertical sliding groove, the supporting sleeve 320 is sleeved on the outer side of the supporting rod 100 by a screw thread, the bottom end of the outer sleeve 310 abuts against the top end of the supporting sleeve 320, a connecting box 400 is fixedly disposed at the top end of the outer sleeve 310, an angle adjusting assembly is disposed in the connecting box 400, the angle adjusting assembly includes an adjusting rod 510 and a transmission shaft 520, one end, the adjusting rod 510 is connected to the side wall of the connection box 400 through a first bearing, the bottom end of the transmission shaft 520 is connected to the inner bottom wall of the connection box 400 through a second bearing, the top end of the transmission shaft 520 penetrates through the top wall of the connection box 400 and is connected with the mounting plate 600, the adjusting rod 510 is located at one end of the connection box 400 and is in transmission connection with the transmission shaft 520 through a gear, and the mounting plate 600 is provided with a surveying instrument main body 700.
From the above, when in use, the side lever 200 is firstly turned and opened in the direction away from the support rod 100, the side lever 200 and the support rod 100 together form a stable support structure, the mounting plate 600 is provided with the surveying instrument main body 700 for measuring various required parameters, when the position of the surveying instrument main body 700 needs to be finely adjusted, if the position needs to be adjusted up and down, the position can be adjusted through the up-and-down adjusting assembly, specifically, the support sleeve 320 supports and supports the outer sleeve 310, the support sleeve 320 is rotated to enable the support sleeve 320 to move up and down on the support rod 100 through the threaded fit with the support rod 100, the outer sleeve 310 moves up and down along with the support sleeve 320, and the position is limited through the fit of the slide rail and the vertical slide groove, so that the surveying instrument main body 700 on the mounting plate 600 can be finely adjusted up and down, if the surveying and mapping angle needs to be adjusted, the angle adjusting assembly can be used for adjusting, specifically, the adjusting rod 510 is rotated, the adjusting rod 510 drives the transmission shaft 520 to rotate and drives the mounting plate 600 to rotate, and the angle of the surveying and mapping instrument main body 700 on the mounting plate 600 is adjusted in such a way, so that the position of the surveying and mapping instrument main body 700 can be finely adjusted conveniently, different indoor placing positions and surveying and mapping requirements can be better adapted, the whole body does not need to be repositioned and fixed during adjustment, and the surveying and mapping efficiency and precision are improved.
In some embodiments, the bottom surface of the mounting plate 600 is provided with a plurality of rollers 610, and the rollers 610 roll on the top surface of the connection box 400 when the mounting plate 600 rotates. The roller 610 may support the mounting plate 600 and reduce friction between the mounting plate 600 and the top surface of the connection box 400, so that the mounting plate 600 rotates more stably and smoothly.
In some embodiments, the bottom end of the outer sleeve 310 is connected to the top end of the support sleeve 320 by a third bearing. The use of the third bearing reduces friction between the outer sleeve 310 and the support sleeve 320, making the support sleeve 320 rotate more smoothly.
In some embodiments, a knob 511 is fixedly disposed at one end of the adjusting lever 510 outside the connection box 400. The knob 511 is used for rotating the adjusting rod 510, so that the use is more convenient.
In some embodiments, anti-slip sleeves are sleeved on the bottom ends of the support rod 100 and the side rods 200. The anti-slip sleeve can ensure that the support rod 100 and the side rod 200 are more stably placed, and the phenomenon of slippage is avoided.
In some embodiments, a side wall of the bottom of the side bar 200 is provided with a receiving groove, the receiving groove is connected with a pin 210 through a first rotating shaft, and the rotating axis of the pin 210 is perpendicular to the length extension direction of the side bar 200. If the ground is a sand surface or an uneven plane, the base pins 210 can be turned out from the accommodating grooves, so that the base pins 210 can be inserted into the ground more conveniently, and if the base pins are not needed to be used, the base pins 210 can be accommodated into the accommodating grooves, so that the normal support of the side rods 200 is not influenced.
In some embodiments, a limiting sleeve 810 is sleeved on the supporting rod 100, the limiting sleeve 810 is located below the supporting sleeve 320, a limiting rod 820 is disposed between the limiting sleeve 810 and the side rod 200, one end of the limiting rod 820 is connected to the side rod 200 through a second rotating shaft, and the other end of the limiting rod 820 is connected to the limiting sleeve 810 through a third rotating shaft. Utilize the gag lever post 820 to connect between side lever 200 and spacing sleeve 810, can make whole bearing structure more stable, whole bearing capacity is stronger.
In some embodiments, a screw hole is formed in the limiting sleeve 810, a screw 830 is connected to the screw hole in a matching manner, and one end of the screw 830 abuts against the supporting rod 100. When the angle that the side lever 200 outwards overturns is limited, can not fully expand and form the steady support, the position of adjustable spacing sleeve 810 on bracing piece 100 is taut with the gag lever post 820 between spacing sleeve 810 and the side lever 200, locks the screw 830 on the bracing piece 100 again, and application scope is wider, uses more in a flexible way.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.
Claims (8)
1. A surveying and mapping device for indoor design is characterized in that: the angle adjusting device comprises a supporting rod (100) and a plurality of side rods (200) hinged to the outer side wall of the supporting rod (100), wherein an upper adjusting component and a lower adjusting component are arranged at the top ends of the side rods (200), the upper adjusting component and the lower adjusting component comprise outer sleeves (310) and supporting sleeves (320), the outer sleeves (310) are sleeved at the top ends of the supporting rod (100), vertical sliding grooves are formed in the outer side wall of the supporting rod (100), sliding rails which are matched and connected with the vertical sliding grooves are arranged on the inner side wall of the outer sleeves (310), the supporting sleeves (320) are sleeved at the outer sides of the supporting rod (100) through threads, the bottom ends of the outer sleeves (310) are abutted against the top ends of the supporting sleeves (320), a connecting box body (400) is fixedly arranged at the top end of the outer sleeves (310), an angle adjusting component is arranged in the connecting box body (, the one end of adjusting pole (510) is passed the lateral wall of connecting box (400) and stretch into in the connecting box (400), adjust pole (510) through first bearing connect in on the lateral wall of connecting box (400), the bottom of transmission shaft (520) through the second bearing connect in the interior diapire of connecting box (400), the top of transmission shaft (520) is passed the roof of connecting box (400) and is connected with mounting panel (600), adjust pole (510) and be located connect the one end in box (400) pass through the gear with transmission shaft (520) transmission is connected, be provided with surveying instrument main part (700) on mounting panel (600).
2. The surveying and mapping apparatus for indoor design according to claim 1, characterized in that: the bottom surface of mounting panel (600) is provided with a plurality of gyro wheel (610), when mounting panel (600) rotated, gyro wheel (610) are in roll on the top surface of connecting box (400).
3. The surveying and mapping apparatus for indoor design according to claim 2, characterized in that: the bottom end of the outer sleeve (310) is connected to the top end of the support sleeve (320) through a third bearing.
4. A surveying and mapping apparatus for indoor design according to claim 3, characterized in that: and a knob (511) is fixedly arranged at one end of the adjusting rod (510) which is positioned outside the connecting box body (400).
5. A surveying and mapping apparatus for indoor design according to claim 3, characterized in that: the bottom end of the supporting rod (100) and the bottom end of the side rod (200) are sleeved with anti-skidding sleeves.
6. A surveying and mapping apparatus for indoor design according to claim 3, characterized in that: a side wall of the bottom of the side rod (200) is provided with a receiving groove, a pin (210) is connected in the receiving groove through a first rotating shaft, and the rotating axis of the pin (210) is perpendicular to the length extending direction of the side rod (200).
7. A surveying and mapping apparatus for indoor design according to claim 3, characterized in that: the supporting rod (100) is sleeved with a limiting sleeve (810), the limiting sleeve (810) is located below the supporting sleeve (320), a limiting rod (820) is arranged between the limiting sleeve (810) and the side rod (200), one end of the limiting rod (820) is connected onto the side rod (200) through a second rotating shaft, and the other end of the limiting rod (820) is connected onto the limiting sleeve (810) through a third rotating shaft.
8. The surveying and mapping apparatus for indoor design according to claim 7, characterized in that: the limiting sleeve (810) is provided with a screw hole, a screw rod (830) is connected in the screw hole in a matching mode, and one end of the screw rod (830) is abutted to the supporting rod (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010129852.6A CN111156386A (en) | 2020-02-28 | 2020-02-28 | Surveying and mapping device for indoor design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010129852.6A CN111156386A (en) | 2020-02-28 | 2020-02-28 | Surveying and mapping device for indoor design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111156386A true CN111156386A (en) | 2020-05-15 |
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ID=70566680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010129852.6A Pending CN111156386A (en) | 2020-02-28 | 2020-02-28 | Surveying and mapping device for indoor design |
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| Country | Link |
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| CN (1) | CN111156386A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578083A (en) * | 2020-06-01 | 2020-08-25 | 闫焕青 | On-spot convenient surveying and mapping device that adjusts of building engineering cost |
| CN112415832A (en) * | 2020-10-15 | 2021-02-26 | 广东空航航空科技有限公司 | Photographic lamp fixing frame for movie and television shooting |
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| CN207147513U (en) * | 2017-09-21 | 2018-03-27 | 南京林业大学 | A kind of engineering instrument of surveying and mapping adjusting apparatus |
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| CN209385959U (en) * | 2018-06-27 | 2019-09-13 | 广州龙博测绘科技有限公司 | A kind of portable instrument of surveying and mapping |
| CN209820477U (en) * | 2019-05-16 | 2019-12-20 | 吕梁学院 | Open-air engineering survey and drawing auxiliary device |
| CN110778853A (en) * | 2019-11-21 | 2020-02-11 | 浙江亚厦装饰股份有限公司 | Self-rotation adjusting supporting leg and using method thereof |
| CN212056493U (en) * | 2020-02-28 | 2020-12-01 | 广东职业技术学院 | Surveying and mapping device for indoor design |
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2020
- 2020-02-28 CN CN202010129852.6A patent/CN111156386A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100282926A1 (en) * | 2009-05-11 | 2010-11-11 | Suzhou Synta Optical Technology Co., Ltd. | Continuously angle-adjustable multifunction tripod |
| CN207147513U (en) * | 2017-09-21 | 2018-03-27 | 南京林业大学 | A kind of engineering instrument of surveying and mapping adjusting apparatus |
| CN207427359U (en) * | 2017-11-25 | 2018-05-29 | 深圳新创智途科技有限公司 | A kind of photographic device for being convenient for adjusting for safety monitoring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578083A (en) * | 2020-06-01 | 2020-08-25 | 闫焕青 | On-spot convenient surveying and mapping device that adjusts of building engineering cost |
| CN112415832A (en) * | 2020-10-15 | 2021-02-26 | 广东空航航空科技有限公司 | Photographic lamp fixing frame for movie and television shooting |
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