CN207832598U - A kind of middle outer wing lower wall panels fatigue test device - Google Patents

A kind of middle outer wing lower wall panels fatigue test device Download PDF

Info

Publication number
CN207832598U
CN207832598U CN201721901354.9U CN201721901354U CN207832598U CN 207832598 U CN207832598 U CN 207832598U CN 201721901354 U CN201721901354 U CN 201721901354U CN 207832598 U CN207832598 U CN 207832598U
Authority
CN
China
Prior art keywords
sliding
outer wing
hole
lower wall
wall panels
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
CN201721901354.9U
Other languages
Chinese (zh)
Inventor
付晓
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.)
Shaanxi Tian Shuo Pml Precision Mechanism Ltd
Original Assignee
Shaanxi Tian Shuo Pml Precision Mechanism Ltd
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 Shaanxi Tian Shuo Pml Precision Mechanism Ltd filed Critical Shaanxi Tian Shuo Pml Precision Mechanism Ltd
Priority to CN201721901354.9U priority Critical patent/CN207832598U/en
Application granted granted Critical
Publication of CN207832598U publication Critical patent/CN207832598U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The utility model discloses a kind of middle outer wing lower wall panels fatigue test devices, including workbench, there are two the first sliding block and the fixed blocks that are installed with for the top slide installation of the workbench, the side of fixed block is installed with cylinder, two the first sliding blocks side close to each other offers the first groove, the same middle outer wing lower wall panels are slidably fitted in two the first grooves, one side contacts of the output shaft of cylinder and middle outer wing lower wall panels, the bottom of workbench is installed with servo motor, and chamber is offered on workbench, the first sliding groove there are two being opened up at the top of workbench, chamber is in the centre position of two the first sliding grooves.The utility model is simple in structure, easy to operate, drives two sliding block slidings by servo motor, can quickly centering outer wing siding be installed and fixed, time saving and energy saving, and prodigious convenience has been made to people.

Description

A kind of middle outer wing lower wall panels fatigue test device
Technical field
The utility model is related to fatigue test device technical field more particularly to a kind of middle outer wing lower wall panels testing fatigue dresses It sets.
Background technology
With economic continuous development, people's living standards continue to improve, more and more people's choice for traveling is gone by air, It is produced and is come into operation with this large amount of aircraft, many necessary experiments are carried out in the production process of aircraft, to machine The testing fatigue of wing plate material is particularly important, and especially middle this part of outer wing lower wall panels carries the most weight of aircraft, currently There are number of types of middle outer wing lower wall panels fatigue testing equipments, but most of fatigue testing equipment design is relatively simple, It is substantially using bolt fastening come centering outer wing lower wall panels, it is cumbersome, quickly wing plank cannot be installed, taken When it is laborious, thus it is proposed that a kind of middle outer wing lower wall panels fatigue test device, solved the above problems with this.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of middle outer wing lower wall proposed Plate fatigue test device.
To achieve the goals above, the utility model uses following technical solution:
A kind of middle outer wing lower wall panels fatigue test device, including workbench, the top slide of the workbench are equipped with two The side of a first sliding block and the fixed block being installed with, fixed block is installed with cylinder, and two the first sliding blocks mutually lean on Close side offers the first groove, is slidably fitted with the same middle outer wing lower wall panels in two the first grooves, cylinder it is defeated The bottom of one side contacts of shaft and middle outer wing lower wall panels, workbench is installed with servo motor, and is offered on workbench Chamber opens up at the top of workbench there are two the first sliding groove, and chamber is in the centre position of two the first sliding grooves, and the two of chamber First through hole is offered on the inner wall of side, two first through hole are connected to corresponding the first sliding groove respectively, the bottom interior wall of chamber On offer the second through-hole, first rotating shaft is welded on the output shaft of servo motor, first rotating shaft is rotatably installed in the second through-hole It is interior, and the top of first rotating shaft extends in chamber and is welded with the second tapered gear, is rotatablely installed in two first through hole There is a screw rod, two screw rod one end close to each other all extend in chamber and be welded with the first tapered gear, and two first tapered Gear is engaged with the second tapered gear, and one end that two screw rods are located remotely from each other extends respectively in corresponding the first sliding groove and sets There is the second sliding block, the inner wall of the second sliding block and the first sliding groove is slidably connected, and tapped through hole is offered on the second sliding block, screw rod spiral shell Line is mounted in corresponding tapped through hole, is welded with the first slide bar at the top of the second sliding block, and the top of the first slide bar is welded on pair The bottom for the first sliding block answered.
Preferably, second sliding slot is offered in the bottom interior wall of the first sliding groove, and is slidably fitted in second sliding slot Three sliding blocks extend in the first sliding groove and are welded on the bottom of the second sliding block at the top of third sliding block.
Preferably, it is welded with the second slide bar on the both sides inner wall of the second sliding slot, it is logical that third is offered on third sliding block Hole, the second sliding bar are mounted in third through-hole.
Preferably, third sliding slot is offered in the bottom interior wall of the second sliding slot, and is slidably fitted in third sliding slot Four-slider extends in second sliding slot and is welded on the bottom of third sliding block at the top of Four-slider.
Preferably, the second groove, two the second grooves are offered on the side inner wall that two the first sliding grooves are located remotely from each other It is inside rotatablely equipped with the second shaft, two the second shaft one end close to each other extend respectively in two the first sliding grooves and weld It is connected on one end that two screw rods are located remotely from each other.
Preferably, fixing sleeve is equipped with bearing in the first rotating shaft, and the outer ring of bearing is fixedly mounted on the interior of the second through-hole On wall.
Compared with prior art, the utility model has the beneficial effects that:
(1), pass through middle outer wing lower wall panels, the first groove, servo motor, first rotating shaft, the second through-hole, the second tapered teeth Wheel, the first tapered gear, chamber, screw rod, first through hole, the second groove and the second shaft match, first the outer wing lower wall panels in One end be slidably mounted in corresponding first groove, it is then that the alignment of the other end of middle outer wing lower wall panels is corresponding first recessed Slot, is then turned on servo motor, and the output shaft of servo motor drives first rotating shaft to be rotated in the second through-hole and drive the second cone Type gear rotates in chamber, while dynamic two the first tapered teeth wheels rotation of the second tapered gear band so that two screw rod difference It is driven and is rotated in corresponding first through hole, two the second shafts are driven respectively at this time turns in corresponding second groove It is dynamic;
(2), pass through screw rod, tapped through hole, the second sliding block, the first sliding groove, third sliding block, second sliding slot, the first slide bar, One sliding block, the first groove, the first sliding block, workbench and cylinder match, and two screw rods turn in corresponding tapped through hole respectively It is dynamic so that two the second sliding blocks are driven respectively slides close to each other, the second sliding block drive at this time in corresponding the first sliding groove Third sliding block slides in corresponding second sliding slot so that the second slide bar slides in corresponding third through-hole, while two Two sliding blocks drive the transverse movement and close to each other in corresponding the first sliding groove of two the first slide bars respectively so that two first cunnings It is close to each other that block is driven the top slide in workbench, and the other end of middle outer wing lower wall panels is then slidably inserted into corresponding One groove, in the middle the both ends of outer wing lower wall panels completely into corresponding first groove when, shut down servo motor, installation has been fixed Finish, is then turned on cylinder and carries out fatigue test.
The utility model is simple in structure, easy to operate, and two sliding block slidings are driven by servo motor, can be quickly right China and foreign countries' alar wall plate is installed and fixed, time saving and energy saving, and prodigious convenience has been made to people.
Description of the drawings
Fig. 1 be the utility model proposes a kind of middle outer wing lower wall panels fatigue test device positive structure diagram;
Fig. 2 be the utility model proposes a kind of middle outer wing lower wall panels fatigue test device side structure schematic view;
Fig. 3 be the utility model proposes a kind of middle outer wing lower wall panels fatigue test device part A structural schematic diagram;
Fig. 4 be the utility model proposes a kind of middle outer wing lower wall panels fatigue test device part B structural schematic diagram.
In figure:Outer wing lower wall panels, 7 servos electricity in 1 workbench, 2 first sliding blocks, 3 fixed blocks, 4 cylinders, 5 first grooves, 6 It is machine, 8 chambers, 9 the first sliding grooves, 10 first through hole, 11 first tapered gears, 12 second through-holes, 13 first rotating shafts, 14 second tapered Gear, 15 screw rods, 16 second sliding blocks, 17 tapped through holes, 18 first slide bars, 19 second sliding slots, 20 third sliding blocks.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.
Referring to Fig.1-4, a kind of middle outer wing lower wall panels fatigue test device, including workbench 1, the top slide of workbench 1 There are two the first sliding block 2 and the fixed block 3 that is installed with, the side of fixed block 3 is installed with cylinder 4 for installation, two the One sliding block 2 side close to each other offers the first groove 5, and the same middle outer wing is slidably fitted in two the first grooves 5 The bottom of lower wall panels 6, a side contacts of the output shaft of cylinder 4 and middle outer wing lower wall panels 6, workbench 1 is installed with servo electricity Machine 7, and chamber 8 is offered on workbench 1, the top of workbench 1 is opened up there are two the first sliding groove 9, and chamber 8 is in two first The centre position of sliding slot 9, and first through hole 10 is offered on the both sides inner wall of chamber 8, two first through hole 10 respectively with it is right The first sliding groove 9 answered is connected to, and is offered the second through-hole 12 in the bottom interior wall of chamber 8, is welded on the output shaft of servo motor 7 First rotating shaft 13, first rotating shaft 13 is rotatably installed in the second through-hole 12, and the top of first rotating shaft 13 extends in chamber 8 simultaneously It is welded with the second tapered gear 14, screw rod 15 is rotatablely equipped in two first through hole 10, two screw rods 15 are close to each other One end all extends in chamber 8 and is welded with the first tapered gear 11, two the first tapered gears 11 with the second tapered gear 14 engagements, one end that two screw rods 15 are located remotely from each other extend respectively in corresponding the first sliding groove 9 and are equipped with the second sliding block 16, the Two sliding blocks 16 and the inner wall of the first sliding groove 9 are slidably connected, and tapped through hole 17 is offered on the second sliding block 16,15 screw thread of screw rod peace In corresponding tapped through hole 17, the top of the second sliding block 16 is welded with the first slide bar 18, the top welding of the first slide bar 18 In the bottom of corresponding first sliding block 2, pass through middle outer wing lower wall panels 6, the first groove 5, servo motor 7, first rotating shaft 13, second Through-hole 12, the second tapered gear 4, the first tapered gear 11, chamber 8, screw rod 15, first through hole 10, the second groove and second turn Axis matches, and first one end of middle outer wing lower wall panels 6 is slidably mounted in corresponding first groove 5, then the outer wing lower wall in The other end of plate 6 is directed at corresponding first groove 5, is then turned on servo motor 7, and the output shaft of servo motor 7 drives first turn Axis 13 rotates in the second through-hole 12 and drives the rotation in chamber 8 of the second tapered gear 14, while 14 band of the second tapered gear Dynamic two the first tapered gears 11 rotation so that two screw rods 15 are driven the rotation in corresponding first through hole 10 respectively, this When two the second shafts be driven rotated in corresponding second groove respectively;Pass through screw rod 15, tapped through hole 17, the second sliding block 16, the first sliding groove 9, third sliding block 20, second sliding slot 19, the first slide bar 18, the first sliding block 2, the first groove 5, the first sliding block 2, Workbench 1 and cylinder 4 match, two screw rods 15 rotation in corresponding tapped through hole 17 respectively so that two the second sliding blocks 16 are driven that the sliding in the corresponding the first sliding groove 9 is close to each other, and the second sliding block 16 drives third sliding block 20 right at this time respectively Sliding in the second sliding slot 19 answered so that the second slide bar slides in corresponding third through-hole, while two the second sliding blocks 16 divide It Dai Dong the transverse movement and close to each other in corresponding the first sliding groove 9 of two the first slide bars 18 so that two 2 quilts of the first sliding block It drives the top slide in workbench 1 close to each other, the other end of middle outer wing lower wall panels 6 is then slidably inserted into corresponding first Groove 5, in the middle the both ends of outer wing lower wall panels 6 completely into corresponding first groove 5 when, shut down servo motor 7, installation is fixed It finishes, is then turned on cylinder 6 and carries out fatigue test, the utility model is simple in structure, easy to operate, is driven by servo motor 7 Two sliding block slidings can quickly centering outer wing siding 6 be installed and fixed, time saving and energy saving, made to people very big Convenience.
In the utility model, second sliding slot 19 is offered in the bottom interior wall of the first sliding groove 9, peace is slided in second sliding slot 19 Equipped with third sliding block 20, the top of third sliding block 20 extends in the first sliding groove 9 and is welded on the bottom of the second sliding block 16, and second It is welded with the second slide bar on the both sides inner wall of sliding slot 19, third through-hole, the installation of the second sliding bar are offered on third sliding block 20 In third through-hole, third sliding slot is offered in the bottom interior wall of second sliding slot, Four-slider is slidably fitted in third sliding slot, The bottom of third sliding block 20 is extended in second sliding slot 19 and is welded at the top of Four-slider, and two the first sliding grooves 9 are mutually remote From side inner wall on offer the second groove, be rotatablely equipped with the second shaft in two the second grooves, two second turn Axis one end close to each other extends respectively in two the first sliding grooves 9 and is welded on one end that two screw rods 15 are located remotely from each other, the Fixing sleeve is equipped with bearing in one shaft 13, and the outer ring of bearing is fixedly mounted on the inner wall of the second through-hole 12, by under middle outer wing Siding 6, the first groove 5, servo motor 7, first rotating shaft 13, the second through-hole 12, the second tapered gear 4, the first tapered gear 11, Chamber 8, screw rod 15, first through hole 10, the second groove and the second shaft match, and first one end of middle outer wing lower wall panels 6 is slided In corresponding first groove 5, the other end of middle outer wing lower wall panels 6 is then directed at corresponding first groove 5, is then opened Servo motor 7 is opened, the output shaft of servo motor 7 drives first rotating shaft 13 to be rotated in the second through-hole 12 and drives the second tapered teeth The rotation in chamber 8 of wheel 14, while the second tapered gear 14 drives two the first tapered gear 11 rotations so that two screw rods 15 It is driven the rotation in corresponding first through hole 10 respectively, two the second shafts are driven respectively in corresponding second groove at this time Interior rotation;Pass through screw rod 15, tapped through hole 17, the second sliding block 16, the first sliding groove 9, third sliding block 20, second sliding slot 19, first Slide bar 18, the first sliding block 2, the first groove 5, the first sliding block 2, workbench 1 and cylinder 4 match, and two screw rods 15 are respectively right Rotation in the tapped through hole 17 answered so that it is mutual that two the second sliding blocks 16 are driven the sliding in corresponding the first sliding groove 9 respectively Close, the second sliding block 16 drives the sliding in corresponding second sliding slot 19 of third sliding block 20 at this time so that the second slide bar is in correspondence Third through-hole in sliding, while two the second sliding blocks 16 drive two the first slide bars 18 in corresponding the first sliding groove 9 respectively Transverse movement is simultaneously close to each other so that it is close to each other that two the first sliding blocks 2 are driven the top slide in workbench 1, then handle The other end of middle outer wing lower wall panels 6 is slidably inserted into corresponding first groove 5, in the middle the both ends of outer wing lower wall panels 6 completely into When corresponding first groove 5, servo motor 7 is shut down, installation fixation finishes, and is then turned on cylinder 6 and carries out fatigue test, this practicality New structure is simple, easy to operate, and the sliding of two sliding blocks is driven by servo motor 7, can quickly centering outer wing siding 6 into Row installs and fixes, time saving and energy saving, and prodigious convenience has been made to people.
Operation principle:When needing centering outer wing lower wall panels 6 to carry out installing fixed, first one end of middle outer wing lower wall panels 6 It is slidably mounted in corresponding first groove 5, the other end of middle outer wing lower wall panels 6 is then directed at corresponding first groove 5, so Servo motor 7 is opened afterwards, and the output shaft of servo motor 7 drives first rotating shaft 13 to be rotated in the second through-hole 12 and drives the second cone The rotation in chamber 8 of type gear 14, while the second tapered gear 14 drives two the first tapered gear 11 rotations so that two spiral shells Bar 15 is driven the rotation in corresponding first through hole 10 respectively, and two the second shafts are driven respectively corresponding second at this time Rotation in groove, while the rotation in corresponding tapped through hole 17 respectively of two screw rods 15 so that two the second sliding block 16 difference It is close to each other to be driven the sliding in the corresponding the first sliding groove 9, the second sliding block 16 drives third sliding block 20 corresponding the at this time Sliding in two sliding slots 19 so that the second slide bar slides in corresponding third through-hole, while two the second sliding blocks 16 drive respectively Two the first slide bars 18 transverse movement and close to each other in corresponding the first sliding groove 9 so that two the first sliding blocks 2 are driven The top slide of workbench 1 is close to each other, and the other end of middle outer wing lower wall panels 6 is then slidably inserted into corresponding first groove 5, In the middle the both ends of outer wing lower wall panels 6 completely into corresponding first groove 5 when, shut down servo motor 7, installation fixation finishes, Cylinder 6 can then be opened and carry out fatigue test.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of middle outer wing lower wall panels fatigue test device, including workbench (1), which is characterized in that the top of the workbench (1) Portion is slidably installed there are two the first sliding block (2) and the fixed block (3) that is installed with, and the side of fixed block (3) is installed with Cylinder (4), two the first sliding block (2) sides close to each other offer the first groove (5), are slided in two the first grooves (5) It is dynamic that the same middle outer wing lower wall panels (6), a side contacts of the output shaft of cylinder (4) and middle outer wing lower wall panels (6), work are installed The bottom of platform (1) is installed with servo motor (7), and chamber (8) is offered on workbench (1), and workbench is opened at the top of (1) If there are two the first sliding groove (9), chamber (8) is in the centre position of two the first sliding grooves (9), and the both sides inner wall of chamber (8) On offer first through hole (10), two first through hole (10) are connected to corresponding the first sliding groove (9) respectively, chamber (8) The second through-hole (12) is offered in bottom interior wall, and first rotating shaft (13), first rotating shaft are welded on the output shaft of servo motor (7) (13) it is rotatably installed in the second through-hole (12), and the top of first rotating shaft (13) extends in chamber (8) and is welded with second Tapered gear (14), is rotatablely equipped with screw rod (15) in two first through hole (10), two screw rods (15) it is close to each other one End all extends in chamber (8) and is welded with the first tapered gear (11), and two the first tapered gears (11) are tapered with second Gear (14) engages, and one end that two screw rods (15) are located remotely from each other extends respectively in corresponding the first sliding groove (9) and equipped with the Two sliding blocks (16), the second sliding block (16) and the inner wall of the first sliding groove (9) are slidably connected, and offer screw thread on the second sliding block (16) Through-hole (17), screw rod (15) are threadably mounted in corresponding tapped through hole (17), and the second sliding block is welded with first at the top of (16) Slide bar (18), the top of the first slide bar (18) are welded on the bottom of corresponding first sliding block (2).
2. a kind of middle outer wing lower wall panels fatigue test device according to claim 1, which is characterized in that the first sliding groove (9) second sliding slot (19) is offered in bottom interior wall, third sliding block (20) is slidably fitted in second sliding slot (19), and third is slided The bottom of the second sliding block (16) is extended in the first sliding groove (9) and is welded at the top of block (20).
3. a kind of middle outer wing lower wall panels fatigue test device according to claim 2, which is characterized in that the second sliding slot (19) it is welded with the second slide bar on both sides inner wall, third through-hole, the installation of the second sliding bar are offered on third sliding block (20) In third through-hole.
4. a kind of middle outer wing lower wall panels fatigue test device according to claim 3, which is characterized in that the second sliding slot (19) third sliding slot is offered in bottom interior wall, and Four-slider is slidably fitted in third sliding slot, is prolonged at the top of Four-slider Extend in second sliding slot (19) and be welded on the bottom of third sliding block (20).
5. a kind of middle outer wing lower wall panels fatigue test device according to claim 1, which is characterized in that two the first sliding grooves (9) the second groove is offered on the side inner wall being located remotely from each other, and is rotatablely equipped with the second shaft in two the second grooves, two A second shaft one end close to each other extends respectively in two the first sliding grooves (9) and is welded on two screw rods (15) mutually far From one end.
6. a kind of middle outer wing lower wall panels fatigue test device according to claim 1, which is characterized in that the first rotating shaft (13) fixing sleeve is equipped with bearing on, and the outer ring of bearing is fixedly mounted on the inner wall of the second through-hole (12).
CN201721901354.9U 2017-12-29 2017-12-29 A kind of middle outer wing lower wall panels fatigue test device Expired - Fee Related CN207832598U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721901354.9U CN207832598U (en) 2017-12-29 2017-12-29 A kind of middle outer wing lower wall panels fatigue test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721901354.9U CN207832598U (en) 2017-12-29 2017-12-29 A kind of middle outer wing lower wall panels fatigue test device

Publications (1)

Publication Number Publication Date
CN207832598U true CN207832598U (en) 2018-09-07

Family

ID=63390623

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721901354.9U Expired - Fee Related CN207832598U (en) 2017-12-29 2017-12-29 A kind of middle outer wing lower wall panels fatigue test device

Country Status (1)

Country Link
CN (1) CN207832598U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109252439A (en) * 2018-09-28 2019-01-22 谢森涛 A kind of work efficiency is high uniform goudronator of sprinkling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109252439A (en) * 2018-09-28 2019-01-22 谢森涛 A kind of work efficiency is high uniform goudronator of sprinkling

Similar Documents

Publication Publication Date Title
CN206277144U (en) A kind of engine housing positioning fixture
CN207832598U (en) A kind of middle outer wing lower wall panels fatigue test device
CN208518094U (en) A kind of steel connection structure of high stability
CN208520395U (en) A kind of building engineering construction detection device
CN208036391U (en) A kind of automobile handle having greeting lamp
CN209408281U (en) A kind of overturning clamping tooling for auto parts and components
CN208867133U (en) A kind of electric power apparatus examination auxiliary device
CN208169664U (en) A kind of eight worm transmission structures of electric operator
CN207810921U (en) A kind of rotatable rope drum for Architectural Equipment
CN208061854U (en) A kind of coil winding device of transformer
CN208274396U (en) A kind of instruction case convenient to use
CN208937670U (en) A kind of electric operator inspection termination
CN208369018U (en) A kind of Combined distribution box
CN108188428A (en) A kind of bench drill fixture
CN109108679A (en) A kind of gear rotation clamping tooling
CN208864169U (en) New type of safe electric heating towel rack
CN208792498U (en) A kind of building structure of achievable quick assembling and dismounting
CN208583550U (en) A kind of dyeing apparatus with dedusting drying device
CN208629166U (en) A kind of double-station sander
CN208041526U (en) A kind of textile machinery support device convenient for adjusting
CN208795593U (en) A kind of non-destructive detecting device
CN207465441U (en) Environmental protection and energy saving based plate knife mark machine
CN208324495U (en) A kind of silk-screen printing exterior part jig
CN208025935U (en) A kind of refrigeration equipment support component
CN208736323U (en) A kind of angle measuring mechanism

Legal Events

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

Granted publication date: 20180907

Termination date: 20181229