CN114542908A - On-spot mapping device of building engineering cost - Google Patents
On-spot mapping device of building engineering cost Download PDFInfo
- Publication number
- CN114542908A CN114542908A CN202210177293.5A CN202210177293A CN114542908A CN 114542908 A CN114542908 A CN 114542908A CN 202210177293 A CN202210177293 A CN 202210177293A CN 114542908 A CN114542908 A CN 114542908A
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- China
- Prior art keywords
- groove
- mapping device
- dwang
- rotating
- sets
- 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.)
- Granted
Links
- 238000013507 mapping Methods 0.000 title claims abstract description 23
- 238000010276 construction Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 29
- 238000007569 slipcasting Methods 0.000 abstract description 6
- 239000012528 membrane Substances 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 230000009172 bursting Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
-
- 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
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a construction engineering cost on-site mapping device which comprises a supporting seat, wherein a measuring instrument is arranged on the upper side of the supporting seat, at least three supporting legs are arranged at the bottom of the supporting seat, and a grouting device is arranged in the middle of each supporting leg; grouting device includes at least three dwang, landing leg outside annular array sets up a rotation groove, the dwang rotates to be connected at the rotation inslot, the pivot of dwang sets up the torsional spring, dwang one side sets up the mounting groove, it has the slip casting storehouse to peg graft in the mounting groove, the slip casting storehouse sets up the logical groove that runs through, it is equipped with the reinforcement liquid to lead to the inslot, lead to the one end fixed connection rubber membrane that the groove is close to the rotation groove, lead to groove other end sliding connection closure plate, lead to groove one side inner wall sliding connection trigger bar, the trigger bar is used for bursting the rubber membrane. According to the invention, the lantern ring is pushed upwards, the rotating rod is driven to swing towards the ground under the action of the torsion spring, the grouting bin is inserted into the soil layer, the reinforcing liquid is released, the loose soil is consolidated, and the phenomenon that one of the supporting legs is unstable during measurement to influence surveying and mapping operation is avoided.
Description
Technical Field
The invention relates to the technical field of engineering surveying and mapping, in particular to a construction engineering cost on-site surveying and mapping device.
Background
The construction project cost refers to the construction cost of a project, namely the total fixed asset investment cost expected to be paid or actually paid for constructing the project, the cost mainly comprises equipment and tool purchase cost, construction project and installation project cost, other cost of the project construction and the like, before the construction project cost is estimated, a construction project cost site surveying and mapping device is required to be used for surveying and mapping the site, the terrain is measured, and the construction project cost is estimated more accurately.
When one of them landing leg of tripod need support in puddle, recess or loose soil layer, this landing leg need carry out extra solidification operation to the bottom surface, causes the survey and drawing work to delay, influences work efficiency.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a construction project cost field mapping device, so that the problems in the prior art are solved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a construction engineering cost on-site surveying and mapping device comprises a supporting seat, wherein a measuring instrument is arranged on the upper side of the supporting seat, at least three supporting legs are arranged at the bottom of the supporting seat, and a grouting device is arranged in the middle of each supporting leg;
the grouting device comprises at least three rotating rods, a rotating groove is formed in the outer side of the supporting leg in an annular array mode, the rotating rods are rotatably connected into the rotating groove, a torsion spring is arranged on a rotating shaft of each rotating rod, an installation groove is formed in one side of each rotating rod, a grouting bin is inserted in the installation groove and provided with a through groove, reinforcing liquid is filled in the through groove, one end, close to the rotating groove, of the through groove is fixedly connected with a rubber film, the other end of the through groove is connected with a blocking plate in a sliding mode, the inner wall of one side of the through groove is connected with a trigger rod in a sliding mode, and the trigger rod is used for bursting the rubber film;
the landing leg sets up the retaining member, the retaining member is used for locking the dwang.
Preferably, lead to groove opposite side sliding connection push rod, push rod lower extreme and closure plate fixed connection, lead to the internal rotation of groove and connect first gear, the meshing of trigger bar and push rod is in first gear both sides, and the closure plate sets up dodges the hole, the push rod is stretched out by dodging the hole.
Preferably, an avoidance groove is formed in one side of the trigger rod.
Preferably, a pressure reducing hole is arranged on one side of the mounting groove, which is close to the rotating groove.
Preferably, the retaining member comprises a collar, the collar is slidably connected to the leg, a baffle is fixedly connected to the middle of the leg, a support spring is fixedly connected between the baffle and the collar, and the collar can cover the outer side of the rotating groove.
Preferably, the inside installation cavity that sets up of dwang, set up the switching-over gear between installation cavity and the mounting groove, the switching-over gear rotates with the dwang to be connected, the first rack of grouting bin one side fixed connection, first rack meshes with the switching-over gear mutually, sliding connection second rack in the installation cavity, second rack meshes with the switching-over gear mutually, and installation cavity one side inner wall sets up the spout, sliding connection slider in the spout, the first spring of slider and spout one end fixed connection.
Preferably, one end of the second rack extending out of the mounting cavity is rotatably connected with the roller.
Preferably, at least three of the rotating rods are arranged in an annular array with the support leg as a reference.
The invention has the advantages that: according to the construction engineering cost on-site surveying and mapping device provided by the invention, the lantern ring is pushed upwards, the rotating rod is swung to the ground under the action of the torsion spring, and the grouting bin is inserted into the soil layer, so that the soil body is squeezed to be compact on one hand, and the reinforcing liquid is released to consolidate the loose soil on the other hand, so that the phenomenon that one of the supporting legs is unstable during measurement to influence surveying and mapping operation is avoided.
According to the invention, the rubber membrane is upwards punctured when the grouting bin shoots into the soil layer, so that the reinforcing liquid can conveniently flow out, meanwhile, the blocking plate is pushed down by the push rod to push away the soil, so that the reinforcing liquid in the through groove can conveniently flow into the soil body, and the effect of soil body reinforcement is achieved.
Drawings
FIG. 1 is a schematic diagram of the basic structure of the present invention;
FIG. 2 is a sectional view A-A of FIG. 1;
fig. 3 is a schematic view showing the rotating lever in fig. 2 in a state in which it is unfolded;
fig. 4 is a partially enlarged view of fig. 3 at E.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1-4, the construction cost on-site surveying and mapping device provided by the invention comprises a supporting seat 1, wherein a measuring instrument 11 is arranged on the upper side of the supporting seat 1, at least three supporting legs 2 are arranged at the bottom of the supporting seat, and a grouting device 3 is arranged in the middle of each supporting leg 2;
the grouting device 3 comprises at least three rotating rods 31, the at least three rotating rods 31 are arranged in an annular array by taking the supporting legs 2 as a reference, a supporting surface is formed after the three rotating rods 31 are unfolded, the supporting legs 2 are prevented from sinking, the annular array on the outer sides of the supporting legs 2 is provided with a rotating groove 32, the rotating rods 31 are rotatably connected in the rotating groove 32, a torsion spring is arranged on a rotating shaft of the rotating rods 31, an installation groove 33 is arranged on one side of the rotating rods 31, a grouting bin 34 is inserted in the installation groove 33, the grouting bin 34 is provided with a through groove 35 which penetrates through the installation groove, reinforcing liquid is filled in the through groove 35, the reinforcing liquid enables soil to be consolidated, the components of the reinforcing liquid are in the prior art, details are not repeated, one end, close to the rotating groove 32, of the through groove 35 is fixedly connected with a rubber film 36, the other end of the through groove 35 is slidably connected with a blocking plate 37, the inner wall of the through groove 35 is slidably connected with a trigger rod 38, and the trigger rod 38 is used for breaking the rubber film 36;
When one of them landing leg 2 runs into soft or hollow department, push away lantern ring 41 upwards, the action of torsional spring is down transferred pole 31 and is clapped to ground, and slip casting storehouse 34 is inserted in the soil horizon, extrudees the soil body on the one hand for the soil body is closely knit, and on the other hand releases the reinforcing liquid, consolidates loose soil, and one of them landing leg 2 unstability when avoiding measuring influences the survey and drawing operation.
Specifically, the other side of the through groove 35 is slidably connected with a push rod 39, the lower end of the push rod 39 is fixedly connected with a blocking plate 37, the through groove 35 is rotatably connected with a first gear 391, the trigger rod 38 and the push rod 39 are meshed with two sides of the first gear 391, the blocking plate 37 is provided with an avoiding hole, the push rod 39 extends out of the avoiding hole, one side of the trigger rod 38 is provided with an avoiding groove 381, and one side of the mounting groove 33, which is close to the rotating groove 32, is provided with a pressure reducing hole 331; the trigger rod 38 punctures the rubber membrane 36 upwards when the grouting bin 34 shoots into the soil layer, so that the reinforcing liquid can flow out conveniently, meanwhile, the push rod 39 pushes the blocking plate 37 downwards and pushes away the soil, the blocking plate 37 is of a thin-wall structure and breaks, so that the reinforcing liquid in the through groove 35 can flow into the soil body conveniently, the effect of reinforcing the soil body is achieved, grouting is carried out when the grouting bin 34 is afraid of entering the soil body, and the supporting capability of the soil body is further improved.
Specifically, a mounting cavity 311 is arranged inside the rotating rod 31, a reversing gear 312 is arranged between the mounting cavity 311 and the mounting groove 33, the reversing gear 312 is rotatably connected with the rotating rod 31, one side of the grouting bin 34 is fixedly connected with a first rack 313, the first rack 313 is meshed with the reversing gear 312, a second rack 314 is slidably connected in the mounting cavity 311, a guide slope surface is arranged at the upper end of the second rack 314, the second rack 314 is meshed with the reversing gear 312, a sliding groove 315 is arranged on the inner wall of one side of the mounting cavity 311, a sliding block 316 is slidably connected in the sliding groove 315, a first spring 317 is fixedly connected between the sliding block 316 and one end of the sliding groove 315, and one end of the second rack 314, which extends out of the mounting cavity 311, is rotatably connected with a roller 318; the grouting bin 34 is modularized, after surveying and mapping is completed, the second rack 314 is lifted upwards, the grouting bin 34 is integrally discharged out of the mounting groove 33, the supporting leg 2 is convenient to move away, when the second rack 314 is used next time and in a natural state, the next intact grouting bin 34 is plugged into the mounting groove 33, the first rack 313 is meshed with the reversing gear 312, then the grouting bin 34 is pressed into the mounting groove 33, the second rack 314 retracts, the rotating rod 31 is pressed into the rotating groove 32, and the sleeve ring 41 is sleeved on the outer side, so that next measurement is convenient.
According to the working principle, the lantern ring 41 is pushed upwards, the rotating rod 31 is swung to the ground under the action of the torsion spring, the grouting bin 34 is inserted into the soil layer, reinforcing liquid is released, loose soil is solidified, and the phenomenon that the surveying and mapping operation is affected due to instability of one of the supporting legs 2 during measurement is avoided.
Further, the trigger bar 38 punctures the rubber membrane 36 upwards when the slip casting storehouse 34 beats into the soil horizon, is convenient for the reinforcing liquid to flow out, and push rod 39 makes closure plate 37 push down and push away soil simultaneously, and closure plate 37 is thin-walled structure and breaks, and the reinforcing liquid that is convenient for lead to the inslot of groove 35 flows into in the soil horizon to play the effect of soil reinforcement, is afraid of when going into the soil horizon in slip casting storehouse 34, carries out the slip casting, further improves soil mass support ability.
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 (8)
1. The utility model provides an on-spot mapping device of building engineering cost, includes supporting seat (1), supporting seat (1) upside sets up measuring apparatu (11), the support bottom sets up at least three landing leg (2), its characterized in that: a grouting device (3) is arranged in the middle of the supporting leg (2);
the grouting device (3) comprises at least three rotating rods (31), an annular array is arranged on the outer side of the supporting leg (2) and provided with a rotating groove (32), the rotating rods (31) are rotatably connected in the rotating groove (32), a torsion spring is arranged on a rotating shaft of the rotating rods (31), a mounting groove (33) is arranged on one side of the rotating rods (31), a grouting bin (34) is inserted in the mounting groove (33), the grouting bin (34) is provided with a through groove (35) which penetrates through the through groove, a reinforcing liquid is filled in the through groove (35), one end of the through groove (35) close to the rotating groove (32) is fixedly connected with a rubber film (36), the other end of the through groove (35) is slidably connected with a blocking plate (37), an inner wall of one side of the through groove (35) is slidably connected with a trigger rod (38), and the trigger rod (38) is used for breaking the rubber film (36);
landing leg (2) set up retaining member (4), retaining member (4) are used for locking dwang (31).
2. The construction cost on-site surveying and mapping device of claim 1, wherein: lead to groove (35) opposite side sliding connection push rod (39), push rod (39) lower extreme and closure plate (37) fixed connection, go up the internal rotation of groove (35) and connect first gear (391), trigger lever (38) and push rod (39) meshing are in first gear (391) both sides, and closure plate (37) set up and dodge the hole, push rod (39) are stretched out by dodging the hole.
3. The construction cost on-site surveying and mapping device of claim 1, wherein: an avoiding groove (381) is formed in one side of the trigger rod (38).
4. The construction cost on-site surveying and mapping device of claim 1, wherein: and a pressure reducing hole (331) is formed in one side of the mounting groove (33) close to the rotating groove (32).
5. The construction cost on-site surveying and mapping device of claim 1, wherein: retaining member (4) include lantern ring (41), lantern ring (41) sliding connection is on landing leg (2), landing leg (2) middle part fixed connection baffle (42), fixed connection supporting spring (43) between baffle (42) and lantern ring (41), lantern ring (41) can cover and rotate the groove (32) outside.
6. The construction cost on-site surveying and mapping device of claim 1, wherein: dwang (31) inside installation cavity (311) that sets up, set up reversing gear (312) between installation cavity (311) and mounting groove (33), reversing gear (312) rotate with dwang (31) and be connected, the first rack of fixed connection (313) in injection storehouse (34) one side, first rack (313) meshes with reversing gear (312) mutually, sliding connection second rack (314) in installation cavity (311), second rack (314) mesh with reversing gear (312) mutually, and installation cavity (311) one side inner wall sets up spout (315), sliding connection slider (316) in spout (315), slider (316) and the first spring of spout (315) one end fixed connection (317).
7. The construction cost on-site surveying and mapping device of claim 6, wherein: one end of the second rack (314) extending out of the mounting cavity (311) is rotatably connected with the roller (318).
8. The construction cost on-site surveying and mapping device of claim 1, wherein: at least three the dwang (31) use landing leg (2) as the setting of benchmark annular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210177293.5A CN114542908B (en) | 2022-02-25 | 2022-02-25 | On-spot survey and drawing device of building engineering cost |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210177293.5A CN114542908B (en) | 2022-02-25 | 2022-02-25 | On-spot survey and drawing device of building engineering cost |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114542908A true CN114542908A (en) | 2022-05-27 |
| CN114542908B CN114542908B (en) | 2023-06-23 |
Family
ID=81678946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210177293.5A Active CN114542908B (en) | 2022-02-25 | 2022-02-25 | On-spot survey and drawing device of building engineering cost |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114542908B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101349215B1 (en) * | 2013-08-20 | 2014-01-15 | (주)미도지리정보 | Processing system for leveling of slope land |
| KR101947031B1 (en) * | 2018-05-16 | 2019-05-02 | 주식회사 대성건설이엔지 | Apparatus for measuring deflection of bridge using ring type displacement transducer |
| CN111102456A (en) * | 2020-01-15 | 2020-05-05 | 云南云金地科技有限公司 | Auxiliary device for geographical surveying and mapping convenient to remove fixedly |
| CN210716802U (en) * | 2019-07-26 | 2020-06-09 | 重庆信柱测绘技术咨询有限公司 | Tripod for measurement |
| CN112013251A (en) * | 2020-08-06 | 2020-12-01 | 安徽恒信建设工程管理有限公司 | Building is managed and is used auxiliary device |
| CN212691388U (en) * | 2020-06-01 | 2021-03-12 | 周少敏 | On-spot mapping device of building engineering cost |
| CN213177520U (en) * | 2020-08-31 | 2021-05-11 | 山西华冶勘测工程技术有限公司 | Engineering surveying instrument convenient to remove |
| CN213930205U (en) * | 2020-12-08 | 2021-08-10 | 武汉华夏理工学院 | On-spot mapping device of building engineering cost |
-
2022
- 2022-02-25 CN CN202210177293.5A patent/CN114542908B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101349215B1 (en) * | 2013-08-20 | 2014-01-15 | (주)미도지리정보 | Processing system for leveling of slope land |
| KR101947031B1 (en) * | 2018-05-16 | 2019-05-02 | 주식회사 대성건설이엔지 | Apparatus for measuring deflection of bridge using ring type displacement transducer |
| CN210716802U (en) * | 2019-07-26 | 2020-06-09 | 重庆信柱测绘技术咨询有限公司 | Tripod for measurement |
| CN111102456A (en) * | 2020-01-15 | 2020-05-05 | 云南云金地科技有限公司 | Auxiliary device for geographical surveying and mapping convenient to remove fixedly |
| CN212691388U (en) * | 2020-06-01 | 2021-03-12 | 周少敏 | On-spot mapping device of building engineering cost |
| CN112013251A (en) * | 2020-08-06 | 2020-12-01 | 安徽恒信建设工程管理有限公司 | Building is managed and is used auxiliary device |
| CN213177520U (en) * | 2020-08-31 | 2021-05-11 | 山西华冶勘测工程技术有限公司 | Engineering surveying instrument convenient to remove |
| CN213930205U (en) * | 2020-12-08 | 2021-08-10 | 武汉华夏理工学院 | On-spot mapping device of building engineering cost |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114542908B (en) | 2023-06-23 |
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