CN209117027U - A kind of dedicated theodolite of geographical mapping - Google Patents

A kind of dedicated theodolite of geographical mapping Download PDF

Info

Publication number
CN209117027U
CN209117027U CN201920046697.4U CN201920046697U CN209117027U CN 209117027 U CN209117027 U CN 209117027U CN 201920046697 U CN201920046697 U CN 201920046697U CN 209117027 U CN209117027 U CN 209117027U
Authority
CN
China
Prior art keywords
fixed
theodolite
pedestal
fixing seat
dedicated
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.)
Expired - Fee Related
Application number
CN201920046697.4U
Other languages
Chinese (zh)
Inventor
刘海玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201920046697.4U priority Critical patent/CN209117027U/en
Application granted granted Critical
Publication of CN209117027U publication Critical patent/CN209117027U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Special Chairs (AREA)

Abstract

A kind of dedicated theodolite of geographical mapping is managed in the utility model offer, including theodolite ontology, the theodolite ontology includes pedestal, fixed frame is provided on the pedestal, and the quantity of fixed frame is 2, the bottom of the fixed frame is provided with instrument board, the fixed frame is mounted on the base by bearing, handle is provided at the top of the fixed frame, the side of the fixed frame is provided with inclinometer, measuring device is provided between the fixed frame, the measuring device includes fixing seat, the fixing seat is mounted on fixed frame by rotation axis one, peephole is provided in the fixing seat, threaded hole is provided at the top of the fixing seat, threaded post is provided in the threaded hole, one end of the threaded post is welded with fastening nut, the fixing seat is internally provided with fixed link, limited block is provided in the fixed link, it is described Spring is provided between limited block and fixing seat, the dedicated theodolite design of the geographical mapping rationally, is suitble to promote.

Description

A kind of dedicated theodolite of geographical mapping
Technical field
The utility model relates to geographical mapping apparatus field, specially a kind of dedicated theodolite of geographical mapping.
Background technique
Micrometer instrument is main measuring instrument in civil engineering surveying, generallys use tripod as support, at present The tripot leg of micrometer instrument amplitude of stretching is difficult accurately to control, and expansion bracket leg causes frame leg substantially to slide often, foot prop The problems such as point displacement, brings great inconvenience to operation, when flattening operation, need to select and recommend frame leg clamp screw, artificial pull is stretched Contracting frame leg changes frame leg height, keeps round level bubble placed in the middle, finally screws frame leg clamp screw, therefore can not accurately control cage leg It is telescoped up to leveling purpose, it, can only be by needing constantly to stand up when one-man operates when adjusting horizontal The position for checking level(l)ing bubble is checked with inconvenience, and due to constantly standing up to operator when operation, increases behaviour The labor intensity for making personnel, has a single function.
So how to design a kind of dedicated theodolite of geographical mapping becomes current problem to be solved.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of dedicated theodolite of geographical mapping, with The problems mentioned above in the background art are solved, the utility model structure novel is vdiverse in function, and use while can pass through liter Falling unit and horizontal device position theodolite quickly and support use.
To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of geographical mapping is special With theodolite, including theodolite ontology, the theodolite ontology includes pedestal, fixed frame is provided on the pedestal, and fixed The quantity of frame is 2, and the bottom of the fixed frame is provided with instrument board, and the fixed frame is mounted on the base by bearing, institute It states and is provided with handle at the top of fixed frame, the side of the fixed frame is provided with inclinometer, and survey is provided between the fixed frame Device is measured, the measuring device includes fixing seat, and the fixing seat is mounted on fixed frame by rotation axis one, the fixing seat On be provided with peephole, threaded hole is provided at the top of the fixing seat, threaded post, the screw thread are provided in the threaded hole One end of column is welded with fastening nut, and the fixing seat is internally provided with fixed link, is provided with limited block in the fixed link, Spring is provided between the limited block and fixing seat, the bottom of the pedestal is provided with horizontal device, the horizontal device packet Include fixed plate one and fixed plate two, one end of the fixed plate one and fixed plate two is welded on pedestal, one He of fixed plate Motion bar is provided in fixed plate two, the motion bar is mounted in fixed plate one through fixed plate two, sets on the motion bar It is equipped with reel, connecting line is provided on the reel, one end of the connecting line is provided with iron block, the bottom of the pedestal It is provided with transparent pipe, the transparent pipe is matched with reel, and opening is provided on the pedestal, is provided with and is turned in the opening Moving axis two is provided with support frame one and support frame two on the pedestal, and support frame as described above one and support frame two pass through rotation axis Two are mounted in the opening of pedestal, and support frame as described above one includes connecting rod one and connecting rod two, the connecting rod one and connecting rod Lifting device is provided between two, the lifting device includes threaded rod, and the threaded rod includes threaded rod one and threaded rod two, It is provided with sleeve between the threaded rod one and threaded rod two, hangers is welded on the sleeve, is provided with and helps on the hangers Hand, the side of the connecting rod two are welded with fixed block, and movable block is provided on the fixed block, and the movable block passes through rotation Axis three is mounted on fixed block.
As a kind of preferred embodiment of the utility model, screw thread is provided in the connecting rod one and connecting rod two Hole one and threaded hole two, the threaded hole one and threaded hole two are internally provided with the internal screw thread one of different directions, the threaded rod On be provided with external screw thread one, the external screw thread one is matched with internal screw thread one.
As a kind of preferred embodiment of the utility model, rotating bar, the rotation are provided on support frame as described above one Support rod is provided on bar, and the quantity of support rod is 2.
As a kind of preferred embodiment of the utility model, the bottom of support frame as described above one and support frame two is welded with Cuttage is welded with pedal in the cuttage, is welded with deep floor between the pedal and cuttage.
As a kind of preferred embodiment of the utility model, fluting, institute are provided on the fixed block and movable block It states fluting and is internally provided with fastening bolt.
As a kind of preferred embodiment of the utility model, mark line, the label are provided in the fixed plate one Line is matched with connecting line.
As a kind of preferred embodiment of the utility model, fixed convex block, the work are provided in the fixed plate two Gear is provided in lever, the gear is matched with fixed convex block.
The utility model has the beneficial effects that a kind of dedicated theodolite of geographical mapping of the utility model, including pedestal, fixation Frame, handle, inclinometer, measuring device, instrument board, bearing, horizontal device, support frame one, support frame two, transparent pipe, lifting dress It sets, rotating bar, support rod, cuttage, fixing seat, fastening nut, rotation axis one, peephole, fixed link, limited block, spring, screw thread Column, threaded hole, opening, rotation axis two, fixed plate one, fixed plate two, motion bar, reel, gear, fixed convex block, connecting line, Iron block, connecting rod two, threaded rod one, sleeve, hangers, handrail, threaded rod two, fixed block, fluting, movable block, turns connecting rod one Moving axis three.
1. the dedicated theodolite of the geographical mapping drives threaded rod to be rotated by the handle on support frame, while to support Slowly adjusted between frame, meeting does not influence the normal use of equipment in adjustment, by the support rods of support frame two sides with Support frame matches to form triangular fixing frame, and effectively the equipment is fixed, vdiverse in function.
2. the measuring device of the dedicated theodolite of the geographical mapping is by matching the angle convenient for regulation inspection glass with inclinometer Degree is fixed peephole by threaded post and fixed link mutual cooperation, prevents from preventing shake to measurement after being measured Error is caused, measurement accuracy is effectively ensured.
3. the mark on connecting line and fixed plate on the horizontal device that the dedicated theodolite of the geographical mapping passes through base bottom Note line matches, and quickly determines the horizontality between support frame and pedestal, guarantees that error in the measurements reduces, connecting line is saturating It is moved in bright pipe, prevents external distinguished and admirable influence caused by it.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the dedicated theodolite of geographical mapping of the utility model;
Fig. 2 is a kind of structural schematic diagram of the measuring device of the dedicated theodolite of geographical mapping of the utility model;
Fig. 3 is a kind of the schematic diagram of the section structure of the measuring device of the dedicated theodolite of geographical mapping of the utility model;
Fig. 4 is a kind of horizontal device of the dedicated theodolite of geographical mapping of the utility model and the structural schematic diagram of pedestal;
Fig. 5 is a kind of structural schematic diagram of the lifting device of the dedicated theodolite of geographical mapping of the utility model;
In figure: 1- pedestal, 2- fixed frame, 3- handle, 4- inclinometer, 5- measuring device, 6- instrument board, 8- bearing, 9- water Leveling device, 10- support frame one, 11- support frame two, 12- transparent pipe, 13- lifting device, 14- rotating bar, 15- support rod, 16- Cuttage, 17- fixing seat, 18- fastening nut, 19- rotation axis one, 20- peephole, 21- fixed link, 22- limited block, 23- spring, 24- threaded post, 25- threaded hole, 26- opening, 27- rotation axis two, 28- fixed plate one, 29- fixed plate two, 30- motion bar, 31- Reel, 32- gear, 33- fixed convex block, 34- connecting line, 35- iron block, 36- connecting rod one, 37- connecting rod two, 38- screw thread Bar one, 39- sleeve, 40- hangers, 41- handrail, 42- threaded rod two, 43- fixed block, 44- fluting, 45- movable block, 46- rotation Axis three.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.
Fig. 1 to Fig. 5 is please referred to, the utility model provides a kind of technical solution: a kind of dedicated theodolite of geographical mapping, including Theodolite ontology, the theodolite ontology include pedestal 1, fixed frame 2 are provided on the pedestal 1, and the quantity of fixed frame 2 is 2, the bottom of the fixed frame 2 is provided with instrument board 6, and the fixed frame 2 is mounted on pedestal 1 by bearing 8, the fixation The top of frame 2 is provided with handle 3, and the side of the fixed frame 2 is provided with inclinometer 4, is provided with measurement between the fixed frame 2 Device 5, the measuring device 5 include fixing seat 17, and the fixing seat 17 is mounted on fixed frame 2 by rotation axis 1, institute It states and is provided with peephole 20 in fixing seat 17, the top of the fixing seat 17 is provided with threaded hole 25, sets in the threaded hole 25 It is equipped with threaded post 24, one end of the threaded post 24 is welded with fastening nut 18, and the fixing seat 17 is internally provided with fixation Bar 21 is provided with limited block 22 in the fixed link 21, spring 23 is provided between the limited block 22 and fixing seat 17, described The bottom of pedestal 1 is provided with horizontal device 9, and the horizontal device 9 includes fixed plate 1 and fixed plate 2 29, the fixed plate 1 and one end of fixed plate 2 29 be welded on pedestal 1, be provided with motion bar in the fixed plate 1 and fixed plate 2 29 30, the motion bar 30 is mounted in fixed plate 2 29 through fixed plate 1, is provided with reel 31 on the motion bar 30, Connecting line 34 is provided on the reel 31, one end of the connecting line 34 is provided with iron block 35, and the bottom of the pedestal 1 is set It is equipped with transparent pipe 12, the transparent pipe 12 is matched with reel 31, and opening 26, the opening 26 are provided on the pedestal 1 It is inside provided with rotation axis 2 27, support frame 1 and support frame 2 11, support frame as described above 1 and branch are provided on the pedestal 1 Support 2 11 is mounted in the opening 26 of pedestal 1 by rotation axis 2 27, and support frame as described above 1 includes one 36 He of connecting rod Connecting rod 2 37, is provided with lifting device 13 between the connecting rod 1 and connecting rod 2 37, the lifting device 13 includes Threaded rod, the threaded rod include threaded rod 1 and threaded rod 2 42, are set between the threaded rod 1 and threaded rod 2 42 It is equipped with sleeve 39, hangers 40 is welded on the sleeve 39, handrail 41 is provided on the hangers 40, the connecting rod 2 37 Side is welded with fixed block 43, and movable block 45 is provided on the fixed block 43, and the movable block 45 is pacified by rotation axis 3 46 On fixed block 43.
As a kind of preferred embodiment of the utility model, it is provided in the connecting rod 1 and connecting rod 2 37 Threaded hole one and threaded hole two, the threaded hole one and threaded hole two are internally provided with the internal screw thread one of different directions, the spiral shell External screw thread one is provided on rasp bar, the external screw thread one is matched with internal screw thread one.
As a kind of preferred embodiment of the utility model, rotating bar 14 is provided on support frame as described above 1, it is described Support rod 15 is provided in rotating bar 14, and the quantity of support rod 15 is 2.
As a kind of preferred embodiment of the utility model, the bottom of support frame as described above 1 and support frame 2 11 is welded It is connected to cuttage 16, pedal is welded in the cuttage 16, is welded with deep floor between the pedal and cuttage 16.
As a kind of preferred embodiment of the utility model, fluting is provided on the fixed block 43 and movable block 45 44, the fluting 44 is internally provided with fastening bolt.
As a kind of preferred embodiment of the utility model, mark line, the mark are provided in the fixed plate 1 Note line is matched with connecting line 34.
As a kind of preferred embodiment of the utility model, fixed convex block 33, institute are provided in the fixed plate 2 29 It states and is provided with gear 32 on motion bar 30, the gear 32 is matched with fixed convex block 33.
Working principle: when this apparatus is used, support frame 1 and support frame 2 11 are contacted with ground first into Row adjusts levelness and fixes support frame 1 and support frame 2 11 on the ground when carrying out to middle leveling, will be movable Block 45 is opened up by rotation axis 3 46, and handrail is made to rotate threaded rod 1 and threaded rod 2 39 by sleeve 39, Threaded rod moves it in the opposite direction by matching between screw thread with connecting rod 1 and connecting rod 2 37, thus Handrail 41 is snapped onto fixed block 43 and movable block 45 herein, is passed through after adjusting by the height between step support frame Fastening bolt is fixed by 44 pairs of movable blocks 45 of fluting with 43 phase of fixed block, by the way that support rod 15 is passed through rotating bar 14 to two sides It is opened, forms triangle with support frame 1 and be fixed, increase stationarity, equipment is effectively ensured and is not moved in use It is dynamic, after the completion of support frame 1 and support frame 2 11 are fixed, the rotating handle by changing into 30 one end of motion bar make motion bar 30 into Row rotation moves gear 32 on fixed convex block 33, and when 32 stop motion of gear, fixed convex block 33 consolidates it Fixed, when motion bar 30 is rotated, reel 31 drives connecting rope 34 to carry out free landing, passes through the iron of 34 one end of connecting rope Block 35 to connecting rope 34 carry out gravity pull carry out it is exceptionally straight, it is exceptionally straight after connecting rope 34 and fixed plate 1 on mark line match It is quickly very horizontal between determining support frame and pedestal 1 to close progress, reel 34 is effectively avoided by matching with transparent pipe 12 Connecting line 34 is impacted because distinguished and admirable, by the heeling condition between observation connecting line 34 and mark line, to judge pedestal 1 On the horizontality of measuring device 5 by the way that peephole 20 is carried out up and down adjustment, pass through angle when the use measured After instrument 4 is determined angle, drives threaded post 24 to be moved downwards by rotational fastener nut 18, fixed link 21 is squeezed Pressure squeezes fixed link 21 to spring 23 by limited block 22, and fixed link 21 is made to be in contact with the inner wall of fixed frame 2 progress It is fixed, it is effectively prevent influence caused by shaking in measurement, the accuracy of measurement is effectively ensured, it is vdiverse in function.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims All changes are embraced therein.It should not treat any reference in the claims as limiting related right It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. a kind of dedicated theodolite of geographical mapping, including theodolite ontology, it is characterised in that: the theodolite ontology includes pedestal (1), it is provided with fixed frame (2) on the pedestal (1), and the quantity of fixed frame (2) is 2, the bottom of the fixed frame (2) is set It is equipped with instrument board (6), the fixed frame (2) is mounted on pedestal (1) by bearing (8), the top setting of the fixed frame (2) Have handle (3), the side of the fixed frame (2) is provided with inclinometer (4), is provided with measuring device between the fixed frame (2) (5), the measuring device (5) includes fixing seat (17), and the fixing seat (17) is mounted on fixed frame by rotation axis one (19) (2) it on, is provided with peephole (20) on the fixing seat (17), is provided with threaded hole (25) at the top of the fixing seat (17), It is provided with threaded post (24) in the threaded hole (25), one end of the threaded post (24) is welded with fastening nut (18), described Fixing seat (17) is internally provided with fixed link (21), is provided with limited block (22), the limited block on the fixed link (21) (22) it is provided between fixing seat (17) spring (23), the bottom of the pedestal (1) is provided with horizontal device (9), the water Leveling device (9) includes fixed plate one (28) and fixed plate two (29), one end of the fixed plate one (28) and fixed plate two (29) It is welded on pedestal (1), motion bar (30), the motion bar is provided on the fixed plate one (28) and fixed plate two (29) (30) it is mounted in fixed plate one (28) through fixed plate two (29), is provided with reel (31), institute on the motion bar (30) It states and is provided on reel (31) connecting line (34), one end of the connecting line (34) is provided with iron block (35), the pedestal (1) Bottom be provided with transparent pipe (12), the transparent pipe (12) matches with reel (31), is provided with out on the pedestal (1) Mouth (26), the opening (26) is interior to be provided with rotation axis two (27), and support frame one (10) and support are provided on the pedestal (1) Frame two (11), support frame as described above one (10) and support frame two (11) are mounted on the opening of pedestal (1) by rotation axis two (27) (26) in, support frame as described above one (10) includes connecting rod one (36) and connecting rod two (37), the connecting rod one (36) and is connected It is provided between bar two (37) lifting device (13), the lifting device (13) includes threaded rod, and the threaded rod includes screw thread Bar one (38) and threaded rod two (42) are provided with sleeve (39) between the threaded rod one (38) and threaded rod two (42), described It is welded with hangers (40), is provided with handrail (41) on the hangers (40), the side of the connecting rod two (37) on sleeve (39) It is welded with fixed block (43), is provided with movable block (45) on the fixed block (43), the movable block (45) passes through rotation axis three (46) it is mounted on fixed block (43).
2. the dedicated theodolite of a kind of geographical mapping according to claim 1, it is characterised in that: the connecting rod one (36) and Threaded hole one and threaded hole two are provided in connecting rod two (37), the threaded hole one and threaded hole two are internally provided with difference The internal screw thread one in direction is provided with external screw thread one on the threaded rod, and the external screw thread one is matched with internal screw thread one.
3. the dedicated theodolite of a kind of geographical mapping according to claim 1, it is characterised in that: on support frame as described above one (10) It is provided with rotating bar (14), is provided with support rod (15) on the rotating bar (14), and the quantity of support rod (15) is 2.
4. the dedicated theodolite of a kind of geographical mapping according to claim 1, it is characterised in that: support frame as described above one (10) and The bottom of support frame two (11) is welded with cuttage (16), is welded with pedal, the pedal and cuttage on the cuttage (16) (16) deep floor is welded between.
5. the dedicated theodolite of a kind of geographical mapping according to claim 1, it is characterised in that: the fixed block (43) and work It is provided on motion block (45) fluting (44), the fluting (44) is internally provided with fastening bolt.
6. the dedicated theodolite of a kind of geographical mapping according to claim 1, it is characterised in that: on the fixed plate one (28) It is provided with mark line, the mark line is matched with connecting line (34).
7. the dedicated theodolite of a kind of geographical mapping according to claim 1, it is characterised in that: on the fixed plate two (29) It is provided with fixed convex block (33), is provided with gear (32) on the motion bar (30), the gear (32) and fixed convex block (33) It matches.
CN201920046697.4U 2019-01-11 2019-01-11 A kind of dedicated theodolite of geographical mapping Expired - Fee Related CN209117027U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920046697.4U CN209117027U (en) 2019-01-11 2019-01-11 A kind of dedicated theodolite of geographical mapping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920046697.4U CN209117027U (en) 2019-01-11 2019-01-11 A kind of dedicated theodolite of geographical mapping

Publications (1)

Publication Number Publication Date
CN209117027U true CN209117027U (en) 2019-07-16

Family

ID=67209264

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920046697.4U Expired - Fee Related CN209117027U (en) 2019-01-11 2019-01-11 A kind of dedicated theodolite of geographical mapping

Country Status (1)

Country Link
CN (1) CN209117027U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110701442A (en) * 2019-10-22 2020-01-17 温州江航建设有限公司 Water conservancy and hydropower engineering surveying and mapping device and method
CN116293240A (en) * 2022-04-13 2023-06-23 威海市三维工程测绘有限公司 A support device for surveying and mapping equipment for geological exploration
CN116817110A (en) * 2023-06-27 2023-09-29 华能巢湖发电有限责任公司 Boiler pulverized coal concentration measuring device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110701442A (en) * 2019-10-22 2020-01-17 温州江航建设有限公司 Water conservancy and hydropower engineering surveying and mapping device and method
CN116293240A (en) * 2022-04-13 2023-06-23 威海市三维工程测绘有限公司 A support device for surveying and mapping equipment for geological exploration
CN116817110A (en) * 2023-06-27 2023-09-29 华能巢湖发电有限责任公司 Boiler pulverized coal concentration measuring device

Similar Documents

Publication Publication Date Title
CN105805510B (en) A kind of instrument of surveying and mapping tripod
CN204188188U (en) A kind of horizontal adjustment instrument measuring ground elevation
CN104848834B (en) A kind of self-leveling longitude and latitude instrument apparatus
CN214306237U (en) Easy-to-move foundation pit monitoring device
CN209117027U (en) A kind of dedicated theodolite of geographical mapping
CN210771277U (en) A level tripod for construction project management
CN218455132U (en) Auxiliary indication measuring device for level
CN212177124U (en) Manual hole digging pile pore-forming quality detection device
CN108645380A (en) Foundation pit gradient measuring device and method
CN214372428U (en) Levelness detection device for construction
CN207501847U (en) The testing apparatus for verticality of vertical structure
CN211502069U (en) Combined engineering measuring instrument
CN213579352U (en) Mine underground lofting device
CN117405091B (en) Building construction straightness deviation observation appearance that hangs down
CN206055109U (en) A kind of erecting device for measuring instrument
CN218847197U (en) Verticality detection device for building construction
CN209557977U (en) A kind of surveying instrument supporting frame convenient for adjusting mapping height
CN219673828U (en) Foot rest assembly for mine measurement
CN214748013U (en) A kind of inclination measuring device for building inspection
CN216558969U (en) A centering rod for engineering measurement that improves measurement efficiency
CN216049910U (en) Wall body correcting unit in work progress
CN218409335U (en) Tripod for mining exploration measurement
CN210952832U (en) Surveyor positioning device
CN212156486U (en) A kind of building foundation engineering positioning detection device
CN204718561U (en) Portable electric pole gradient measurement instrument

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190716

Termination date: 20200111

CF01 Termination of patent right due to non-payment of annual fee