CN212776585U - Instrument fixing device for field measurement - Google Patents
Instrument fixing device for field measurement Download PDFInfo
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- CN212776585U CN212776585U CN202021543957.8U CN202021543957U CN212776585U CN 212776585 U CN212776585 U CN 212776585U CN 202021543957 U CN202021543957 U CN 202021543957U CN 212776585 U CN212776585 U CN 212776585U
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- rod
- fixing device
- field measurement
- connecting block
- supporting
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- 238000005259 measurement Methods 0.000 title claims description 22
- 230000003044 adaptive effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000013507 mapping Methods 0.000 description 6
- 239000004576 sand Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 230000000576 supplementary effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013439 planning Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an instrument fixing device of usefulness is measured in field work, including settling the tray, auxiliary base, the screw thread post, the round platform, the landing leg, settle the top of tray bottom side fixed connection auxiliary base, the top of connecting the screw thread post is rotated through the bearing to auxiliary base bottom, the screw thread post runs through the round platform and passes through threaded connection, the round platform side is equipped with a plurality of landing legs and evenly arranges along the circumference, the landing leg includes adjustment mechanism, sleeve pipe, bracing piece, supporting mechanism, adjustment mechanism mainly comprises buckle, connecting block, fastening bolt, connecting block one end has been cup jointed to the buckle inboard and has passed through fastening bolt swing joint, the bracing piece bottom is provided with supporting mechanism, supporting mechanism mainly comprises wainscot, activity commentaries on classics cover, lead screw. The utility model discloses rational in infrastructure, it is convenient to dismantle, has higher practicality.
Description
Technical Field
The utility model belongs to the technical field of survey and drawing auxiliary assembly, in particular to instrument fixing device of usefulness is measured in field.
Background
During the measurement work in the planning, design, construction and operation management stages in engineering construction, various directions, distances, angles, heights, spaces and the like need to be measured, and a surveying instrument is designed and manufactured for data acquisition, processing, output and the like of surveying and mapping operation.
At present, when surveying and mapping work is carried out outdoors, in order to achieve the effect of stabilizing a surveying and mapping instrument, a specific fixing device needs to be applied, the traditional surveying and mapping instrument fixing device is generally a tripod with an auxiliary fixing plate, the structure is relatively fixed and is not easy to disassemble, and the traditional surveying and mapping instrument fixing device is inconvenient to carry at ordinary times; different ground environment that survey and drawing work can face is carried out at ordinary times in the open air, and traditional tripod structure can not adapt to slope or soft sand ground, otherwise can lead to the surveying instrument can not keep the level to the condition that survey and drawing data has the error appears.
Disclosure of Invention
The utility model aims at overcoming not enough among the prior art, providing an instrument fixing device that field measurement used, rational in infrastructure, it is convenient to dismantle, has higher practicality.
In order to realize the purpose, the utility model discloses a technical scheme is:
an instrument fixing device for field measurement comprises a mounting tray, an auxiliary base, a threaded column, a round table and supporting legs, wherein the mounting tray is used for placing a surveying and mapping instrument body, the bottom side of the mounting tray is fixedly connected with the top end of the auxiliary base, the bottom end of the auxiliary base is rotatably connected with the top end of the threaded column through a bearing, the threaded column penetrates through the round table and is connected through threads, and a plurality of supporting legs are arranged on the side surface of the round table and are uniformly distributed along the circumference;
the supporting leg comprises an adjusting mechanism, a sleeve, a supporting rod and a supporting mechanism, the adjusting mechanism mainly comprises a buckle plate, a connecting block and a fastening bolt, one end of the connecting block is sleeved on the inner side of the buckle plate and movably connected through the fastening bolt, the fastening bolt is loosened, the buckle plate can rotate relative to the connecting block, the angle between the supporting leg and the vertical direction is conveniently adjusted, the side edge of the circular platform is provided with a mounting groove corresponding to the connecting block, the other end of the connecting block is sleeved in the mounting groove, a through hole is formed in the mounting groove and longitudinally penetrates through the whole circular platform, a through hole is formed in one end of the connecting block arranged in the mounting groove and corresponds to the through hole, the through hole is connected with the through pin rod, the top end of the pin rod is provided with a transversely arranged auxiliary rod, a fixing groove is formed in the position of the top side of the circular platform, the auxiliary rod is arranged in the fixing groove, so that the fixing stability of the connecting block can be conveniently realized when the pin rod is connected with the through hole and the through hole, the supporting leg can be connected to one side of the circular table through the connection of the pin rod to the through hole and the through hole, and the supporting leg can be separated from the circular table when the pin rod is taken down, so that the installation and the disassembly of the device on the supporting leg are facilitated, the bottom side of the buckle plate is fixedly connected with the top end of a sleeve, the sleeve is provided with an open type guide groove, a supporting rod is sleeved on the inner side of the guide groove, and a supporting mechanism is arranged at the bottom;
the supporting mechanism mainly comprises a floor pasting board, a movable rotating sleeve and a screw rod, wherein the floor pasting board is hinged to the bottom end of the supporting rod and is used for contacting the ground, the top side of the floor pasting board is hinged to the bottom end of the movable rotating sleeve, the screw rod is sleeved and connected with the movable rotating sleeve in a threaded manner, the top end of the screw rod is fixedly connected with a fixed rod, the top end of the fixed rod is fixedly connected to one side of the supporting rod, the movable rotating sleeve can rotate freely, the distance of the screw rod entering the movable rotating sleeve can be gradually increased through the screw thread along with the forward rotation of the movable rotating sleeve, the distance between the movable rotating sleeve and the supporting rod can be further shortened, the bottom end of the movable rotating sleeve is hinged to the top side of the floor pasting board, so that the angle between the floor pasting board and the supporting rod can be reduced, otherwise, the, and then the practicality is greatly improved, more convenient keeping the surveying instrument keep the level.
Preferably, the screw thread post bottom is fixed with the hand wheel, hand wheel one side is fixed with the handle, can operate the screw thread post through handle operating personnel and rotate, conveniently risees or reduces the position of surveying instrument body, further increases the practicality of this device.
Preferably, the surveying instrument body is fixed at the inner side of the placement tray through an elastic binding belt, and two ends of the elastic binding belt are fixedly connected to the side edges of the placement tray.
Preferably, the number of the legs is three, so as to ensure the stability of the supporting structure.
Preferably, one side of the sleeve corresponding to the opening of the guide groove is provided with a fixing frame, the inner side of the fixing frame is rotatably connected with a gear through a bolt, the part of the support rod, which is positioned in the guide groove, is arranged as a toothed plate, the gear is meshed with the toothed plate and is connected with the toothed plate, one side of the fixing frame is provided with a handle, the handle is fixed at one end of the bolt, an adjusting nut which is sleeved with the bolt and is in threaded connection is arranged between the handle and the fixing frame, when the adjusting nut is tightly attached to the side surface of the fixing frame through threads and is screwed, the bolt can be ensured to be kept fixed, so that the gear keeps a fixed state, when the adjusting nut is far away from the fixing frame through threads, the gear can be adjusted and rotated through the handle, the toothed plate meshed with, simultaneously, the surveying instrument can be more conveniently horizontally adjusted on a sloping field or a soft sand field, and the method is simple and convenient.
Preferably, the auxiliary base is of a transparent structure and is internally provided with a three-dimensional level meter, and the three-dimensional level meter is convenient for operators to adjust the level of the surveying instrument body.
Preferably, be equipped with extension spring between subsides floor and the bracing piece, extension spring one end fixed connection is on the side of the top of subsides floor, and other end fixed connection is in bracing piece one side, extension spring plays and adjusts the supplementary effect that the back resets to subsides floor, and convenient the regulation makes things convenient for accomodating after this device finishes using simultaneously.
Preferably, buckle one side is provided with the angle scale, makes things convenient for operating personnel to carry out the angle between landing leg and the vertical direction and adjusts or unify.
The surveying instrument body and the three-dimensional level are the prior art, and the person skilled in the art can clearly and completely understand the utility model and can obtain the relevant data in the prior art.
Compared with the prior art, the utility model beneficial effect shows:
1) the utility model discloses in connecting block one end that adjustment mechanism was equipped with cup joints in the arrangement groove of round platform, the arrangement inslot is equipped with the through-hole, and the position that the connecting block set up the one end in the arrangement groove and corresponds the through-hole is equipped with the through-hole, be connected through the pin rod through-hole and through-hole, the pin rod top is established by the horizontal auxiliary rod that sets up, the position that the round platform top side corresponds the through-hole is equipped with the fixed slot and is used for placing the auxiliary rod, can fix the connection in round platform one side to the landing leg through the connection of pin rod to through-hole and through-hole, when taking off the pin rod, will let landing leg and round platform separate, thereby made things convenient for the installation and;
2) the utility model discloses the articulated activity of the subsides floor top side of supporting mechanism is changeed the cover bottom, the activity is changeed the cover and is cup jointed lead screw and threaded connection, the lead screw passes through dead lever fixed connection in bracing piece one side, the activity is changeed the cover and can freely rotate, can gradually increase the lead screw through the screw thread and get into its inside distance along with the forward rotation of activity commentaries on classics cover, and then can shorten the distance between activity commentaries on classics cover and the bracing piece, because the activity is changeed the cover bottom and is articulated on the subsides floor top side, thus can impel the angle between subsides floor and the bracing piece to reduce, otherwise will make the angle between subsides floor and the bracing piece increase, can make the better laminating sloping ground of subsides floor or soft sandy land's environment through this kind of structure, and;
3) the utility model provides a sleeve pipe corresponds guide slot open-ended one side and is equipped with the mount, the mount inboard is connected with the gear through the bolt rotation, and the part that the bracing piece is located the guide slot sets up to the pinion rack, the gear is connected with the pinion rack meshing, the gear can adjust the rotation through the handle, pinion rack through gear meshing and then drive the bracing piece upwards or downstream, through the regulation about the bracing piece, the convenience is adjusted the height of surveying instrument body, carry out the level (l) ing to the surveying instrument when more conveniently going on sloping ground or soft sand ground simultaneously, and is simple and convenient, simultaneously the utility model provides a screw thread post can rotate, can rise or reduce the position of surveying instrument body, further increases the practicality of this device.
Drawings
FIG. 1 is a schematic structural view of an instrument fixing device for field measurement according to the present invention;
FIG. 2 is a schematic view of a leg structure of an instrument holder for field measurement according to the present invention;
FIG. 3 is a schematic view of an adjusting mechanism in the fixing device of the instrument for field measurement of the present invention;
FIG. 4 is a schematic structural view of a supporting mechanism in an instrument fixing device for field measurement according to the present invention;
FIG. 5 is a schematic view of a sleeve structure in an instrument fixing device for field measurement according to the present invention;
FIG. 6 is a schematic view of a pin bar structure of an instrument fixing device for field measurement according to the present invention;
FIG. 7 is a schematic view of a circular table structure in an instrument fixing device for field measurement according to the present invention;
FIG. 8 is a schematic view of the internal structure of an auxiliary base in the device for fixing an instrument for field measurement according to the present invention;
in the figure: 1. arranging a tray; 11. an elastic band; 2. an auxiliary base; 21. a bearing; 22. a three-dimensional level; 3. a threaded post; 31. a hand wheel; 32. a handle; 4. a circular truncated cone; 41. a placing groove; 42. a through hole; 43. fixing grooves; 44. a pin rod; 441. an auxiliary rod; 5. a support leg; 51. an adjustment mechanism; 511. buckling the plate; 512. connecting blocks; 513. fastening a bolt; 514. a through hole; 515. an angle scale; 52. a sleeve; 521. a guide groove; 522. a fixed mount; 523. a gear; 524. a handle; 525. adjusting the screw cap; 53. a support bar; 531. a toothed plate; 54. a support mechanism; 541. pasting a floor; 542. a movable rotating sleeve; 543. a screw rod; 544. fixing the rod; 545. an extension spring; 6. surveying instrument body.
Detailed Description
For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further specifically described with reference to fig. 1 to 8.
Referring to fig. 1, an instrument fixing device for field measurement comprises a mounting tray 1, an auxiliary base 2, a threaded column 3, a circular table 4 and supporting legs 5, wherein the mounting tray 1 is used for placing a surveying instrument body 6, the surveying instrument body 6 is fixed on the inner side of the mounting tray 1 through an elastic ribbon 11, two ends of the elastic ribbon 11 are fixedly connected to the side edge of the mounting tray 1, the bottom side of the mounting tray 1 is fixedly connected with the top end of the auxiliary base 2, the bottom end of the auxiliary base 2 is rotatably connected with the top end of the threaded column 3 through a bearing 21, the threaded column 3 penetrates through the circular table 4 and is in threaded connection, the bottom end of the threaded column 3 is fixedly provided with a hand wheel 31, one side of the hand wheel 31 is fixedly provided with a handle 32, an operator can operate the threaded column 3 to rotate through the handle 32, so that the position of the surveying instrument body 6 can be conveniently raised or lowered, and the practicability of, the side surface of the circular truncated cone 4 is provided with three support legs 5 which are uniformly distributed along the circumference.
Referring to fig. 2-3 and 6-7, the supporting leg 5 includes an adjusting mechanism 51, a sleeve 52, a supporting rod 53, and a supporting mechanism 54, the adjusting mechanism 51 mainly includes a buckle plate 511, a connecting block 512, and a fastening bolt 513, one end of the connecting block 512 is sleeved on the inner side of the buckle plate 511 and movably connected with the buckle plate through the fastening bolt 513, the fastening bolt 513 is loosened, the buckle plate 511 can rotate relative to the connecting block 512, so as to ensure the convenience of adjusting the angle between the supporting leg 5 and the vertical direction, an angle scale 515 is arranged on one side of the buckle plate 511, so that the angle between the supporting leg 5 and the vertical direction can be adjusted or unified by an operator, the placing grooves 41 are arranged on the side of the circular table 4 corresponding to the connecting block 512, the other end of the connecting block 512 is sleeved in the placing groove 41, a through hole 42 is arranged in the placing, the position that connecting block 512 set up the one end in placing groove 41 and correspond through-hole 42 is equipped with through-hole 514, through-hole 42 is connected through pin pole 44 with through-hole 514, the supplementary pole 441 by horizontal setting is established on pin pole 44 top, the position that round platform 4 top side corresponds through-hole 42 is equipped with fixed slot 43, the shape of pole 441 is assisted to the fixed slot 43 setting for the self-adaptation, supplementary pole 441 is settled in fixed slot 43 to the steadiness fixed to connecting block 512 when pin pole 44 connects through-hole 42 with through-hole 514, can fix the connection in round platform 4 one side to landing leg 5 through the connection of pin pole 44 to through-hole 42 and through-hole 514, when taking off pin pole 44, will let landing leg 5 and round platform 4 separate, thereby made things convenient for the installation and the dismantlement of this device to landing leg 5, and convenient and simple.
Referring to fig. 2 and 5, the bottom side of the buckle 511 is fixedly connected to the top end of the sleeve 52, the sleeve 52 is provided with an open-type guide slot 521, one side of the sleeve 52, which corresponds to the opening of the guide slot 521, is provided with a fixing frame 522, the inner side of the fixing frame 522 is rotatably connected with a gear 523 through a bolt, the portion of the support rod 53, which is located in the guide slot 521, is provided with a toothed plate 531, the gear 523 is in meshing connection with the toothed plate 531, one side of the fixing frame 522 is provided with a handle 524, the handle 524 is fixed at one end of the bolt, an adjusting nut 525 which is sleeved with the bolt and in threaded connection is arranged between the handle 524 and the fixing frame 522, when the adjusting nut 525 is screwed by being attached to the side surface of the fixing frame 522 through a thread, the bolt can be kept fixed, so that, toothed plate 531 through gear 523 meshing and then drive bracing piece 53 upwards or downstream, through the regulation about bracing piece 53, further conveniently adjust surveying instrument body 6's height, more conveniently carry out level (l) ing to surveying instrument when sloping field or soft sand ground simultaneously, and is simple and convenient, bracing piece 53 has been cup jointed to the guide slot 521 inboard, bracing piece 53 bottom is provided with supporting mechanism 54.
Referring to fig. 2 and 4, the supporting mechanism 54 mainly comprises a floor 541, a movable rotating sleeve 542 and a screw rod 543, the floor 541 is hinged to the bottom end of the supporting rod 53 for contacting the ground, the top side of the floor 541 is hinged to the bottom end of the movable rotating sleeve 542, the movable rotating sleeve 542 is sleeved with the screw rod 543 and is in threaded connection, the top end of the screw rod 543 is fixedly connected with a fixing rod 544, the top end of the fixing rod 544 is fixedly connected to one side of the supporting rod 53, the movable rotating sleeve 542 can rotate freely, the distance from the screw rod 543 to the inside of the movable rotating sleeve 542 can be increased gradually through the screw thread along with the forward rotation of the movable rotating sleeve 542, and then the distance between the movable rotating sleeve 542 and the supporting rod 53 can be shortened, because the bottom end of the movable rotating sleeve 542 is hinged to the top side of the floor 541, the angle between the floor 541 and the supporting rod, through this mode, can make the environment of the better laminating sloping ground of wainscot 541 or soft sand ground, and then improved the practicality greatly, more convenient keeping the surveying instrument and keeping the level, be equipped with extension spring 545 between wainscot 541 and the bracing piece 53, extension spring 545 one end fixed connection is on wainscot 541 top side, and other end fixed connection is in bracing piece 53 one side, extension spring 545 plays the additional action that resets after adjusting wainscot 541, conveniently adjusts, makes things convenient for accomodating after this device finishes using simultaneously.
Referring to fig. 8, the auxiliary base 2 is a transparent structure and is provided with a three-dimensional level 22 inside, and the three-dimensional level 22 facilitates the horizontal adjustment of the surveying instrument body 6 by an operator.
The surveying instrument body 6 and the three-dimensional level 22 are prior arts, and those skilled in the art can clearly and completely understand the utility model and can obtain relevant data in the prior art.
An instrument fixing device for field measurement, which comprises the following working processes:
at first carry this device to the place that needs work, then fix landing leg and round platform through the pin pole, if slope or soft sand ground, only need earlier through supporting mechanism, adjust the angle of pasting the floor to ground, ensure to guarantee to settle the level of tray, then the gear is adjusted the bracing piece or is through adjusting the screw thread post, highly adjust the device, lay the surveying instrument body in settling the tray through the elasticity ribbon fixed after the adjustment is suitable, can separate landing leg and round platform through taking out the pin pole after work is accomplished, so that carry the transportation.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (8)
1. The instrument fixing device for field measurement is characterized by comprising a mounting tray, an auxiliary base, a threaded column, a circular table and supporting legs, wherein the bottom side of the mounting tray is fixedly connected with the top end of the auxiliary base; the supporting leg comprises an adjusting mechanism, a sleeve, a supporting rod and a supporting mechanism, wherein the adjusting mechanism mainly comprises a buckle plate, a connecting block and a fastening bolt, one end of the connecting block is sleeved on the inner side of the buckle plate and movably connected through the fastening bolt, the side edge of the round platform is provided with a mounting groove corresponding to the connecting block, the other end of the connecting block is sleeved in the mounting groove, a through hole is formed in the mounting groove and longitudinally penetrates through the whole round platform, a through hole is formed in one end, arranged in the mounting groove, of the connecting block, corresponding to the through hole, and connected through a pin rod, the top end of the pin rod is provided with a transversely arranged auxiliary rod, a fixing groove is formed in the top side of the round platform, corresponding to the through hole, and is in a shape adaptive to the auxiliary rod, the bottom side of the buckle plate is fixedly connected with the top, the bottom end of the supporting rod is provided with a supporting mechanism; the supporting mechanism mainly comprises a floor pasting board, a movable rotating sleeve and a screw rod, wherein the floor pasting board is hinged to the bottom end of the supporting rod, the top side of the floor pasting board is hinged to the bottom end of the movable rotating sleeve, the movable rotating sleeve is sleeved with the screw rod and connected in a threaded mode, a fixing rod is fixedly connected to the top end of the screw rod, and the top end of the fixing rod is fixedly connected to one side of the supporting rod.
2. The instrument fixing device for field measurement as claimed in claim 1, wherein a hand wheel is fixed to the bottom end of the threaded column, and a handle is fixed to one side of the hand wheel.
3. The instrument fixing device for field measurement as claimed in claim 1, wherein a mapper body is arranged on the top side of the mounting tray, the mapper body is fixed on the inner side of the mounting tray through an elastic ribbon, and two ends of the elastic ribbon are fixedly connected to the side edges of the mounting tray.
4. The field measurement instrument holder of claim 1 wherein said legs are three in number.
5. The instrument fixing device for field measurement according to claim 1, wherein a fixing frame is arranged on one side of the sleeve corresponding to the opening of the guide groove, a gear is rotatably connected to the inner side of the fixing frame through a bolt, a toothed plate is arranged at a part of the support rod located in the guide groove, the gear is meshed with the toothed plate, a handle is arranged on one side of the fixing frame and fixed at one end of the bolt, and an adjusting nut which is sleeved with the bolt and is in threaded connection is arranged between the handle and the fixing frame.
6. The apparatus fixing device for field measurement as claimed in claim 1, wherein the auxiliary base is a transparent structure and is internally provided with a three-dimensional level gauge.
7. The instrument fixing device for field measurement as claimed in claim 1, wherein an extension spring is disposed between the floor and the support rod, one end of the extension spring is fixedly connected to the top side of the floor, and the other end of the extension spring is fixedly connected to one side of the support rod.
8. The field survey instrument holder according to claim 1, wherein the gusset plate is provided with an angle scale on one side thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021543957.8U CN212776585U (en) | 2020-07-30 | 2020-07-30 | Instrument fixing device for field measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021543957.8U CN212776585U (en) | 2020-07-30 | 2020-07-30 | Instrument fixing device for field measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212776585U true CN212776585U (en) | 2021-03-23 |
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ID=75040847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021543957.8U Expired - Fee Related CN212776585U (en) | 2020-07-30 | 2020-07-30 | Instrument fixing device for field measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212776585U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294649A (en) * | 2021-07-02 | 2021-08-24 | 四川华能宝兴河水电有限责任公司 | Nondestructive testing device for soil porosity detection of dam and application method thereof |
| CN113341237A (en) * | 2021-07-14 | 2021-09-03 | 贺俏敏 | Mobile monitoring platform for electromagnetic radiation of communication base station |
| CN115218071A (en) * | 2022-07-13 | 2022-10-21 | 西华县审计局 | A mapping device for engineering cost |
-
2020
- 2020-07-30 CN CN202021543957.8U patent/CN212776585U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294649A (en) * | 2021-07-02 | 2021-08-24 | 四川华能宝兴河水电有限责任公司 | Nondestructive testing device for soil porosity detection of dam and application method thereof |
| CN113341237A (en) * | 2021-07-14 | 2021-09-03 | 贺俏敏 | Mobile monitoring platform for electromagnetic radiation of communication base station |
| CN113341237B (en) * | 2021-07-14 | 2022-09-16 | 深圳市瑞达检测技术有限公司 | Mobile monitoring platform for electromagnetic radiation of communication base station |
| CN115218071A (en) * | 2022-07-13 | 2022-10-21 | 西华县审计局 | A mapping device for engineering cost |
| CN115218071B (en) * | 2022-07-13 | 2023-11-03 | 西华县审计局 | Mapping device for engineering cost |
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Granted publication date: 20210323 |