CN113048962A - Auxiliary measuring equipment for building construction direction fixed point - Google Patents
Auxiliary measuring equipment for building construction direction fixed point Download PDFInfo
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- CN113048962A CN113048962A CN202110510459.6A CN202110510459A CN113048962A CN 113048962 A CN113048962 A CN 113048962A CN 202110510459 A CN202110510459 A CN 202110510459A CN 113048962 A CN113048962 A CN 113048962A
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- supporting
- telescopic rod
- rod
- fixedly connected
- telescopic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to the technical field of buildings and discloses auxiliary measuring equipment for building construction azimuth fixed points, which comprises an instrument mounting top plate, wherein supporting fixed blocks are uniformly and fixedly mounted on the outer surface of the instrument mounting top plate in the circumferential direction, supporting connecting rods are fixedly mounted at the left end and the right end of the bottom surface of each supporting fixed block, and a supporting driving shaft is fixedly sleeved at the bottom ends of the two supporting connecting rods. This auxiliary measuring equipment is used to construction position fixed point, through the setting of protection safety guard, utilize fixed telescopic link, mutually support between flexible reset spring and the initiative telescopic link, can let this auxiliary measuring equipment when not installing, can not let once support the telescopic link bottom and expose outside, the toper that has prevented once to support the telescopic link bottom can cause the condition of damage to appear to operating personnel, this auxiliary measuring equipment's safe in utilization has been guaranteed, thereby this auxiliary measuring equipment's practical safety has been improved.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to auxiliary measuring equipment for fixing the construction direction.
Background
The direction fixed-point measurement of building construction is a positioning mode for a built building, the angular points of the building are positioned, the building position is prevented from being deviated after operation, a total station and auxiliary measuring equipment matched with the total station are needed in the measuring process, the auxiliary measuring equipment comprises a tripod, a prism and the like, and the normal use of the total station is guaranteed.
The auxiliary measuring equipment that present majority used mainly is the tripod, the tripod can be fixed the instrument, give a specific height of instrument, make things convenient for operating personnel's operation, and can assist the adjustment to the level precision of instrument, current tripod is at the in-process of installation, the toper setting of bottom can cause the damage to the human body when the operation is improper, make operating personnel be injured, current tripod carries out the process of dismantling after the measurement operation is accomplished slow, can't let its automatic kick-back to initial position, the speed of dismantling has been influenced, current tripod is when adjusting its height, only rotate the bolt that is responsible for the locking, this kind of tripod stability of fixing is not high with the bolt, and can let the not fastening of locking, can make whole instrument overturn, make the instrument damage, economic loss has been caused.
Disclosure of Invention
The invention provides an auxiliary measuring device for building construction azimuth fixed points, which has the advantages of safety protection of conical design of the bottom end of the auxiliary measuring device, capability of rapidly folding the device when the auxiliary measuring device is disassembled and proper adjustment of the height of the device, solves the problem that in the installation process of a tripod, the conical arrangement at the bottom can cause damage to the human body when the operation is improper, so that operators are injured, the existing tripod is too slow in the process of disassembly after the measurement operation is finished, the tripod cannot be automatically rebounded to the initial position, the disassembly speed is influenced, when the height of the existing tripod is adjusted, only the bolt responsible for locking is rotated, and the stability of the tripod fixed by the bolt is not high, and the locking is not fastened, so that the whole instrument can overturn and be damaged, and the economic loss is caused.
The invention provides the following technical scheme: an auxiliary measuring device for fixed points in building construction directions comprises an instrument mounting top plate, wherein a supporting fixed block is uniformly and fixedly mounted on the outer surface of the instrument mounting top plate in the circumferential direction, supporting connecting rods are fixedly mounted at the left end and the right end of the bottom surface of the supporting fixed block, a supporting driving shaft is fixedly sleeved at the bottom end of each supporting connecting rod, the left end of each supporting driving shaft penetrates through the right side surface of the corresponding left supporting connecting rod and extends to the left side of the corresponding left supporting connecting rod, the right end of each supporting driving shaft penetrates through the left side surface of the corresponding right supporting connecting rod and extends to the right side of the corresponding right supporting connecting rod, a main supporting telescopic rod positioned between the two supporting connecting rods is movably sleeved on the outer surface of each supporting driving shaft, a secondary supporting telescopic rod is movably connected to the bottom surface of each main supporting telescopic rod, the, the top surface of the inner cavity of the secondary supporting telescopic rod is fixedly provided with a locking device, the front surface of the primary supporting telescopic rod is provided with a locking limiting hole, the left side surface and the right side surface of the primary supporting telescopic rod are fixedly provided with a passive contraction positioning rod, the top surface of the inner cavity of the passive contraction positioning rod is fixedly connected with a contraction spring, the bottom end of the contraction spring is fixedly connected with an active expansion positioning rod, the left side surface of the top end of the active expansion positioning rod is fixedly connected with a first connecting rod, the other end of the first connecting rod is fixedly connected with the right side surface of the secondary supporting telescopic rod, the left side surface and the right side surface of the two passive expansion positioning rods are respectively and fixedly provided with a fixed telescopic rod, and the top surface of the inner cavity of the fixed telescopic rod is fixedly connected with an expansion return spring, the bottom fixedly connected with of flexible reset spring takes the initiative telescopic link, two the bottom fixedly connected with safety guard of initiative telescopic link, the top surface that safety guard was run through to the bottom of main support telescopic link and passive shrink locating lever extends to the inside of safety guard.
Preferably, the size and the shape of the secondary supporting telescopic rod are matched with those of the main supporting telescopic rod, and the bottom end of the secondary supporting telescopic rod is conical.
Preferably, the size and the shape of the protective safety cover are matched with the shapes of the main supporting telescopic rod and the passive contraction positioning rod, the top surface of the protective safety cover is provided with a positioning hole, and the size and the shape of the positioning hole are matched with the sizes and the shapes of the main supporting telescopic rod and the passive contraction positioning rod.
Preferably, one side, connected with the passive contraction positioning rod, of the main support telescopic rod is provided with a limiting groove at the same position, and the size and the shape of the limiting groove are matched with those of the first connecting frame rod.
Preferably, the number of the locking limiting holes is nine, and the nine locking limiting holes are equidistantly distributed on the front face of the main supporting telescopic rod.
Preferably, the size and the shape of the limit locking rod are matched with those of the locking limit hole.
Preferably, the number of the supporting fixed blocks is three, and the size and the shape of the three supporting fixed blocks are matched.
The invention has the following beneficial effects:
1. this auxiliary measuring equipment is used to construction position fixed point, through the setting of protection safety guard, utilize fixed telescopic link, mutually support between flexible reset spring and the initiative telescopic link, can let this auxiliary measuring equipment when not installing, can not let once support the telescopic link bottom and expose outside, the toper that has prevented once to support the telescopic link bottom can cause the condition of damage to appear to operating personnel, this auxiliary measuring equipment's safe in utilization has been guaranteed, thereby this auxiliary measuring equipment's practical safety has been improved.
2. This auxiliary measuring equipment is used to construction position fixed point, setting through shrink spring, utilize the passive shrink locating lever, shrink spring, the flexible locating lever of initiative, mutually support between first side link and the second side link, can be when dismantling equipment, only need press locking device, let locking device can remove and support the locking between the telescopic link and the inferior support telescopic link to the main tributary, then make the elastic deformation of shrink spring let the quick promotion of the flexible locating lever of initiative again, thereby it can draw in the restoration in to drive inferior support telescopic link, thereby the availability factor nature of this auxiliary measuring equipment has been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the structure of FIG. 1;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
FIG. 4 is an enlarged view of the structure at B in FIG. 1;
FIG. 5 is an enlarged view of the structure at C in FIG. 1;
FIG. 6 is a top view of a partial structure of the present invention;
fig. 7 is a schematic structural view of the shield according to the present invention.
In the figure: 1. installing a top plate on the instrument; 2. supporting a fixed block; 3. a support link; 4. supporting the driving shaft; 5. the main support telescopic rod; 6. a secondary support telescopic rod; 7. a locking device; 8. passively retracting the positioning rod; 9. a retraction spring; 10. actively extending and retracting the positioning rod; 11. a first link lever; 12. a second side link; 13. fixing the telescopic rod; 14. a telescopic return spring; 15. driving a telescopic rod; 16. a protective safety cover; 17. and locking the limiting hole.
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. 1-7, an auxiliary measuring device for fixed points of building construction directions comprises an instrument mounting top plate 1, wherein a threaded hole is formed in the middle of the top surface of the instrument mounting top plate 1, the threaded hole is circular, an instrument can be mounted on the top surface of the instrument mounting top plate 1 through a bolt by the arrangement of the threaded hole, and the instrument is more convenient and stable to mount, supporting fixed blocks 2 are uniformly and fixedly mounted on the outer surface of the instrument mounting top plate 1 in the circumferential direction, the number of the supporting fixed blocks 2 is three, the size and the shape of the three supporting fixed blocks 2 are matched, the arrangement of the three supporting fixed blocks 2 enables the support of the whole device to be a triangle, the triangle is more stable to set and more convenient to adjust, supporting connecting rods 3 are fixedly mounted at the left end and the right end of the bottom surface of each supporting fixed block 2, and supporting driving shafts 4 are, the left end of the supporting driving shaft 4 penetrates through the right side surface of the left supporting connecting rod 3 and extends to the left side of the left supporting connecting rod 3, the right end of the supporting driving shaft 4 penetrates through the left side surface of the right supporting connecting rod 3 and extends to the right side of the right supporting connecting rod 3, a main supporting telescopic rod 5 positioned between the two supporting connecting rods 3 is movably sleeved on the outer surface of the supporting driving shaft 4, one side, connected with a passive contraction positioning rod 8, of the main supporting telescopic rod 5 is provided with a limiting groove at the same position, the size and the shape of the limiting groove are matched with those of the first connecting rod 11, the range of the secondary supporting telescopic rod 6 moving inside the main supporting telescopic rod 5 can be limited through the arrangement of the limiting groove, the secondary supporting telescopic rod 6 can be prevented from falling off from the inside of the main supporting telescopic rod 5 due to the fact that the secondary supporting telescopic rod 6 extends out of the main supporting telescopic rod, the size and the shape of the secondary supporting telescopic rod 6 are matched with those of the main supporting telescopic rod 5, the bottom end of the secondary supporting telescopic rod 6 is conical, the bottom end of the secondary supporting telescopic rod 6 can be directly inserted into soil through the conical arrangement of the bottom end of the secondary supporting telescopic rod 6, the stability of the whole equipment can be enhanced, errors existing in measurement operation are smaller, the top end of the secondary supporting telescopic rod 6 penetrates through the bottom surface of the main supporting telescopic rod 5 and extends into the main supporting telescopic rod 5, a locking device 7 is fixedly installed on the top surface of an inner cavity of the secondary supporting telescopic rod 6, the locking device 7 comprises a limiting locking box 701, the top surface of the limiting locking box 701 is fixedly connected with the top surface of the inner cavity of the secondary supporting telescopic rod 6, a limiting locking rod 702 is movably sleeved in the middle of the bottom surface of the inner cavity of the limiting locking box 701, and the size and the shape of the limiting locking, the limiting locking rod 702 can pass through the locking limiting hole 17 without obstruction through the matching of size and shape, the speed of height adjustment of the auxiliary measuring equipment is improved, the bottom end of the limiting locking rod 702 penetrates through the bottom surface of the inner cavity of the limiting locking box 701 and extends to the outside of the limiting locking box 701, the bottom end of the limiting locking rod 702 is fixedly connected with a limiting baffle 703 positioned at the bottom surface of the limiting locking box 701, the top end of the limiting locking rod 702 sequentially penetrates through the secondary supporting telescopic rod 6 and the primary supporting telescopic rod 5 and extends to the outside of the primary supporting telescopic rod 5, the middle part of the limiting locking rod 702 is fixedly sleeved with a limiting cross rod 704 positioned inside the limiting locking box 701, the outer surface of the limiting locking rod 702 is movably sleeved with a limiting locking spring 705 positioned between the bottom surface of the inner cavity of the limiting locking box 701 and the bottom surface of the limiting cross rod 704, and the upper end of, the lower end of the limit spring 705 is fixedly connected with the bottom surface of the inner cavity of the limit locking box 701, the main supporting telescopic rod 5 and the secondary supporting telescopic rod 6 can be locked by the arrangement of the locking device 7, and the height of the whole auxiliary measuring equipment can be adjusted by depending on the length of the secondary supporting telescopic rod 6 extending out of the main supporting telescopic rod 5 by the locking device 7, the front surface of the main supporting telescopic rod 5 is provided with nine locking limit holes 17, the nine locking limit holes 17 are equidistantly distributed on the front surface of the main supporting telescopic rod 5, the limit locking rod 702 can penetrate through the main supporting telescopic rod 5 and extend to the outside of the main supporting telescopic rod 5 by arranging the locking limit holes 17, so that the locking effect of the locking device 7 between the main supporting telescopic rod 5 and the secondary supporting telescopic rod 6 can be realized, the left side surface and the right side surface of the main supporting telescopic rod 5 are fixedly provided with the passive shrinkage positioning rods 8, the top surface of the inner cavity of the passive contraction positioning rod 8 is fixedly connected with a contraction spring 9, the bottom end of the contraction spring 9 is fixedly connected with an active expansion positioning rod 10, the left side surface of the top end of the active expansion positioning rod 10 is fixedly connected with a first connecting rod 11, the other end of the first connecting rod 11 is fixedly connected with the right side surface of the secondary support telescopic rod 6, the left side surface of the bottom end of the active expansion positioning rod 10 is fixedly connected with a second connecting rod 12, the other end of the second connecting rod 12 is fixedly connected with the right side surface of the secondary support telescopic rod 6, the left side surface and the right side surface of the two passive contraction positioning rods 8 are respectively and fixedly provided with a fixed telescopic rod 13, the top surface of the inner cavity of the fixed telescopic rod 13 is fixedly connected with a telescopic reset spring 14, the bottom end of the telescopic reset spring 14 is fixedly connected with an active telescopic rod 15, the bottom ends of the, and the locating hole has been seted up to protection safety guard 16's top surface, the size and the shape of locating hole and main tributary support telescopic link 5 and the big or small shape looks adaptation of passive shrink locating lever 8, through protection safety guard 16's setting, can let protection safety guard 16 provide a guard's effect to the toper that supports 6 bottoms of telescopic link once, let this auxiliary measuring equipment can not cause the damage of health to operating personnel because of misoperation messenger conical pointed end in the in-process of using, main tributary supports telescopic link 5 and the inside that the top surface of protection safety guard 16 and extend to protection safety guard 16 is run through to the bottom of passive shrink locating lever 8.
The working principle is that an operator vertically places the auxiliary measuring equipment on a point position where an instrument needs to be erected, opens three support legs, presses the limit locking rod 702 to enable the limit locking rod 702 to release locking between the main support telescopic rod 5 and the secondary support telescopic rod 6, presses the instrument mounting top plate 1 when the height of the auxiliary measuring equipment is adjusted to a required height, enables the conical shapes of the bottom ends of the three secondary support telescopic rods 6 to be inserted into soil, enables the protective safety cover 16 to shrink upwards in the process of inserting into the soil, enables the bottom end of the secondary support telescopic rod 6 to be inserted into the soil, then installs the instrument on the top surface of the instrument mounting top plate 1, locks the instrument mounting top plate 1 and the instrument through bolts through threaded holes, removes the measuring instrument after the operation to be measured is completed, then presses the limit locking rod 702 to enable the inside of the main support telescopic rod 5 of the secondary support 6 to be taken in, when the secondary support telescopic rod 6 can not be retracted, the protective safety cover 16 can be stepped on, so that the protective safety cover 16 can utilize the elastic band of the telescopic reset spring 14 to take out the bottom end of the secondary support telescopic rod 6 inserted into the soil, and then the three support legs are folded and fixed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (3)
1. The utility model provides a building construction position is auxiliary measuring equipment for fixed point, includes instrument erection roof (1) etc. its characterized in that: the even fixed mounting in surface circumference of instrument installation roof (1) supports fixed block (2), the equal fixed mounting in both ends has support connecting rod (3) about supporting fixed block (2) bottom surface, two the bottom of supporting connecting rod (3) is fixed to overlap and is connected and is supported driving shaft (4), the left end of supporting driving shaft (4) runs through the right flank of left side support connecting rod (3) and extends to the left side of left side support connecting rod (3), the right-hand member of supporting driving shaft (4) runs through the left flank of right side support connecting rod (3) and extends to the right side of right side support connecting rod (3), the surface activity of supporting driving shaft (4) has cup jointed main tributary that is located between two support connecting rods (3) and has and props telescopic link (5), the bottom surface swing joint that main tributary propped telescopic link (5) has secondary support telescopic link, the top end of the secondary supporting telescopic rod (6) penetrates through the bottom surface of the main supporting telescopic rod (5) and extends into the main supporting telescopic rod (5), a locking device (7) is fixedly installed on the top surface of an inner cavity of the secondary supporting telescopic rod (6), a locking limiting hole (17) is formed in the front surface of the main supporting telescopic rod (5), passive contraction positioning rods (8) are fixedly installed on the left side surface and the right side surface of the main supporting telescopic rod (5), a contraction spring (9) is fixedly connected to the top surface of the inner cavity of the passive contraction positioning rod (8), an active expansion positioning rod (10) is fixedly connected to the bottom end of the contraction spring (9), a first connecting rod (11) is fixedly connected to the left side surface of the top end of the active expansion positioning rod (10), and the other end of the first connecting rod (11) is fixedly connected to the, the left side face of the bottom end of the active telescopic positioning rod (10) is fixedly connected with a second side link (12), the other end of the second side link (12) is fixedly connected with the right side face of the secondary supporting telescopic rod (6), the left side face and the right side face of each of the two passive telescopic positioning rods (8) are respectively and fixedly provided with a fixed telescopic rod (13), the top face of the inner cavity of each fixed telescopic rod (13) is fixedly connected with a telescopic reset spring (14), the bottom end of each telescopic reset spring (14) is fixedly connected with an active telescopic rod (15), the bottom ends of the two active telescopic rods (15) are fixedly connected with a protective safety cover (16), and the bottom ends of the main supporting telescopic rod (5) and the passive telescopic positioning rods (8) penetrate through the top face of the protective safety cover (16) and extend into the; the number of the locking limiting holes (17) is nine, the nine locking limiting holes (17) are equidistantly distributed on the front face of the main supporting telescopic rod (5), the number of the supporting fixing blocks (2) is three, and the three supporting fixing blocks (2) are matched in size and shape.
2. The auxiliary measuring device for building construction azimuth pointing according to claim 1, wherein: the size and the shape of the secondary supporting telescopic rod (6) are matched with those of the main supporting telescopic rod (5), and the bottom end of the secondary supporting telescopic rod (6) is conical.
3. The auxiliary measuring device for building construction azimuth pointing according to claim 1, wherein: the size and the shape of the protective safety cover (16) are matched with the shapes of the main supporting telescopic rod (5) and the passive contraction positioning rod (8), the top surface of the protective safety cover (16) is provided with a positioning hole, and the size and the shape of the positioning hole are matched with the sizes and the shapes of the main supporting telescopic rod (5) and the passive contraction positioning rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110510459.6A CN113048962A (en) | 2019-01-16 | 2019-01-16 | Auxiliary measuring equipment for building construction direction fixed point |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910038762.3A CN109737932B (en) | 2019-01-16 | 2019-01-16 | Auxiliary measuring equipment for building construction direction fixed point |
| CN202110510459.6A CN113048962A (en) | 2019-01-16 | 2019-01-16 | Auxiliary measuring equipment for building construction direction fixed point |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910038762.3A Division CN109737932B (en) | 2019-01-16 | 2019-01-16 | Auxiliary measuring equipment for building construction direction fixed point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113048962A true CN113048962A (en) | 2021-06-29 |
Family
ID=66364983
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110510483.XA Withdrawn CN113048963A (en) | 2019-01-16 | 2019-01-16 | Auxiliary measuring equipment for building construction direction fixed point |
| CN201910038762.3A Active CN109737932B (en) | 2019-01-16 | 2019-01-16 | Auxiliary measuring equipment for building construction direction fixed point |
| CN202110510459.6A Withdrawn CN113048962A (en) | 2019-01-16 | 2019-01-16 | Auxiliary measuring equipment for building construction direction fixed point |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110510483.XA Withdrawn CN113048963A (en) | 2019-01-16 | 2019-01-16 | Auxiliary measuring equipment for building construction direction fixed point |
| CN201910038762.3A Active CN109737932B (en) | 2019-01-16 | 2019-01-16 | Auxiliary measuring equipment for building construction direction fixed point |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN113048963A (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087828C (en) * | 1997-10-31 | 2002-07-17 | 株式会社浅沼商会 | Locking mechanism of extension support for tripod |
| JP4321874B2 (en) * | 2007-03-19 | 2009-08-26 | ベルボン株式会社 | Telescopic device and tripod |
| JP4746684B2 (en) * | 2009-03-24 | 2011-08-10 | 有限会社長州電気 | Telescopic device |
| CN204647770U (en) * | 2015-05-18 | 2015-09-16 | 张元元 | Tripod is measured in a kind of anti-sliding |
| CN205504393U (en) * | 2016-04-14 | 2016-08-24 | 黑龙江工程学院 | Survey and drawing tripod convenient to remove |
| CN205981207U (en) * | 2016-08-26 | 2017-02-22 | 沈阳市勘察测绘研究院 | Total powerstation for engineering survey |
| CN206772300U (en) * | 2017-04-21 | 2017-12-19 | 王连承 | A kind of portable surveys tripod |
| CN207814838U (en) * | 2018-01-11 | 2018-09-04 | 中山市欧栢摄影器材有限公司 | A kind of adjustable tripod |
| CN208311863U (en) * | 2018-06-11 | 2019-01-01 | 宗琪琪 | A kind of Surveying Engineering A-frame |
-
2019
- 2019-01-16 CN CN202110510483.XA patent/CN113048963A/en not_active Withdrawn
- 2019-01-16 CN CN201910038762.3A patent/CN109737932B/en active Active
- 2019-01-16 CN CN202110510459.6A patent/CN113048962A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN113048963A (en) | 2021-06-29 |
| CN109737932B (en) | 2021-09-21 |
| CN109737932A (en) | 2019-05-10 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210629 |
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| WW01 | Invention patent application withdrawn after publication |