CN109959574A - A kind of small-sized multi-state rope abrasion tester and working method - Google Patents

A kind of small-sized multi-state rope abrasion tester and working method Download PDF

Info

Publication number
CN109959574A
CN109959574A CN201910217969.7A CN201910217969A CN109959574A CN 109959574 A CN109959574 A CN 109959574A CN 201910217969 A CN201910217969 A CN 201910217969A CN 109959574 A CN109959574 A CN 109959574A
Authority
CN
China
Prior art keywords
pulley
driving disc
bracket
spacing pressing
disc spacing
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.)
Pending
Application number
CN201910217969.7A
Other languages
Chinese (zh)
Inventor
秦浩然
曾骥
卜龙煜
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.)
Shanghai Maritime University
Original Assignee
Shanghai Maritime University
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 Shanghai Maritime University filed Critical Shanghai Maritime University
Priority to CN201910217969.7A priority Critical patent/CN109959574A/en
Publication of CN109959574A publication Critical patent/CN109959574A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/56Investigating resistance to wear or abrasion
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001Type of application of the stress
    • G01N2203/0005Repeated or cyclic
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0016Tensile or compressive
    • G01N2203/0017Tensile
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003Generation of the force
    • G01N2203/005Electromagnetic means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/022Environment of the test
    • G01N2203/0236Other environments
    • G01N2203/024Corrosive
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/026Specifications of the specimen
    • G01N2203/0262Shape of the specimen
    • G01N2203/0278Thin specimens
    • G01N2203/028One dimensional, e.g. filaments, wires, ropes or cables
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/06Indicating or recording means; Sensing means
    • G01N2203/0641Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The present invention provides a kind of small-sized multi-state rope abrasion tester and working method, the abrasion tester include pedestal, the bracket being fixedly installed on the pedestal, be set to the bracket top pulley blocks, driving disc spacing pressing and sprayer;Wherein: the pulley blocks include first pulley and second pulley, on the bracket, the lower part of the first pulley or the second pulley be equipped with spring;The driving disc spacing pressing is set to the side of the pedestal, and is rotatably connected in the pedestal, and the driving disc spacing pressing is equipped with drawing-off column;The sprayer is set on the bracket, and nozzle is towards workspace.Abrasion tester small volume provided by the invention, lighter in weight facilitate carrying and transfer, and the friction test in rope under low high speed may be implemented by the different revolving speed of driving disc spacing pressing;By the setting of sprayer, rope in workspace can be given in test, the environment of moist, meta-alkalescence or slant acidity is provided, to realize the wear test of multi-state.

Description

A kind of small-sized multi-state rope abrasion tester and working method
Technical field
The invention belongs to textile technology field more particularly to a kind of small-sized multi-state rope abrasion tester and work sides Method.
Background technique
Rope is all various situations to be undergone in various environment directly facing various engineerings in engineer application, different Operating condition be to be had opposite impacts on to the service life of rope.And the abrasion of rope is the most direct shadow of rope service life The factor of sound, so in order to detect whether rope can satisfy requirement, or the theoretical service life of rope is tested it is necessary to right Rope carries out wear test.Rope can be tested under conditions of multi-state as far as possible in carrying out wear test, and test Data must be accurate.Rope abrasion tester is mainly to carry out friction-wear test to the rope found out, and test rope exists Rope abrasion condition and service life under specific condition, to determine whether the service life of rope meets the requirements.
Existing many rope wear equipments, which are all not achieved this test requirements document or equipment test is simply not achieved very much, to be wanted Ask or equipment too it is big it is too heavy be inconvenient to be shifted and be transported, or a kind of test operating condition of artificial intelligence not can be carried out more The wear test of operating condition.For example, a kind of assembly type rope wears dynamic testing machine, it is mainly a kind of detachable, ease of assembly Testing machine, but its volume is relatively large, puts to compare and takes up space.In addition, the testing machine intelligently carries out under a kind of operating condition Wear test, the rope wear condition under moist, meta-alkalescence or slant acidity environment cannot be simulated.
Therefore, it is directed to small-sized rope manufacturing enterprise, how to design a kind of small volume, low in cost and be able to carry out The rope abrasion tester of wear test under multi-state is a technical problem urgently to be resolved.
Summary of the invention
The object of the present invention is to provide a kind of small-sized multi-state rope abrasion tester and working method, small in size, system Make it is at low cost, suitable for the wear test under multi-state.
One aspect of the present invention provides a kind of small-sized multi-state rope abrasion tester, comprising: pedestal, be fixedly installed on it is described Bracket on pedestal, be set to the bracket top pulley blocks, driving disc spacing pressing and sprayer;Wherein:
The pulley blocks include first pulley and second pulley, on the bracket, the first pulley or described second The lower part of pulley is equipped with spring;
The driving disc spacing pressing is set to the side of the pedestal, and is rotatably connected in the pedestal, the driving disc spacing pressing Axle center is equidistant to the first pulley and the second pulley, and the driving disc spacing pressing is equipped with drawing-off column;The driving disc spacing pressing Motor is connected, the motor is for driving the driving disc spacing pressing to be rotated;
Space made of the bracket and the pedestal surround is workspace, and the sprayer is set on the bracket, Nozzle is towards the workspace, and the sprayer is for spraying water mist to provide different experimental enviroments.
In an advantageous embodiment, the driving disc spacing pressing is connected with motor, and the motor is for driving the driving disc spacing pressing to turn It is dynamic.
In an advantageous embodiment, the spring is equipped with tension sensor, for measuring the pulling force suffered by lining rope.
In an advantageous embodiment, the bracket includes horizontally disposed transverse slat and two columns being vertically arranged: the One column and the second column, the spring are set on first column, and the sprayer is set on second column.
In an advantageous embodiment, the small-sized multi-state rope abrasion tester further includes being set on the pedestal Camera and computer, the camera and the computer be communicatively coupled, and the camera is towards the workspace Direction.
The present invention provides in another aspect a kind of working method of small-sized multi-state rope abrasion tester, including step It is rapid:
(1) it will be fixed on the lead column by one end of lining rope, the other end successively bypasses the first pulley and described Then second pulley is connected on the spring, intersected by lining rope at the middle part of the bracket, the stress of tension sensor is being set Determine in range;
(2) motor, computer and camera, the rotation of driving disc spacing pressing described in the motor driven, to drive the lead are opened Column rotates with it, periodical back and forth movement is done by lining rope, in the workspace, is intersected by lining rope, and phase mutual friction, the camera shooting Head is monitored to it and data acquisition, and sends data to the computer, and the computer records data, at analysis Reason.
It in an advantageous embodiment, further include opening the sprayer in the step (2), for the work The moist or environment such as meta-alkalescence or acidity are provided by lining rope in area.
It compares with the prior art, technical solution of the present invention has the following beneficial effects:
(1) abrasion tester small volume, lighter in weight facilitate carrying and transfer;
(2) friction test in rope under low high speed may be implemented by the different revolving speed of driving disc spacing pressing;
(3) setting of sprayer can give rope in workspace in test and provide humidity, meta-alkalescence or slant acidity Environment, to realize the wear test of multi-state.
Detailed description of the invention
Attached drawing is constituted part of this application to be used to provide further understanding of the present application, the schematic implementation of the application Example and its explanation are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 provides a kind of isometric front view of small-sized multi-state rope abrasion tester for the present invention;
Fig. 2 is the rear isometric view of the abrasion tester;
Fig. 3 is the main view of the test mode of the abrasion tester.
Marginal data:
1, pedestal;2, bracket;21, transverse slat;22, the first column;23, the second column;3, driving disc spacing pressing;4, lead column;5, One pulley;6, second pulley;7, spring;8, sprayer;9, camera;10, computer;11, by lining rope;12, workspace;13, electric Machine.
Specific embodiment
The present invention provides a kind of small-sized multi-state rope abrasion tester and working method, to make the purpose of the present invention, skill Art scheme and effect are clearer, clear, referring to the drawings and give an actual example that the present invention is described in more detail.It should manage Solution, described herein specific examples are only used to explain the present invention, is not intended to limit the present invention.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order, it should be appreciated that is used in this way Data be interchangeable under appropriate circumstances.In addition, term " includes " and " having " and their any deformation, it is intended that Cover it is non-exclusive include, for example, containing that a series of system of units, product or equipment is not necessarily limited to be clearly listed A little units, but may include other units being not clearly listed or intrinsic for these products or equipment.
Embodiment 1
A kind of small-sized multi-state rope abrasion tester is present embodiments provided, as shown in Figs. 1-3, comprising: pedestal 1, branch Frame 2, pulley blocks, driving disc spacing pressing 3, sprayer 8, camera 9 and computer 10.
The driving disc spacing pressing 3 is set to the vertical plane (this face is considered as front in the present embodiment) of the pedestal 1.Driving disc spacing pressing 3 with Pedestal 1 is rotatably connected, front of the rotary shaft perpendicular to pedestal 1.The axle center of driving disc spacing pressing 4 is to 5 He of first pulley The second pulley 6 is equidistant.Lead column 4 is equipped on driving disc spacing pressing 3, lead column 4 can also be revolved around the axle center of driving disc spacing pressing 3 Turn.Driving disc spacing pressing 3 is connected with motor 13.
Bracket 2 includes transverse slat 20, the first column 21, the second column 22, and the first column 21 and the second column 22 are vertically arranged Top surface, close positive position in pedestal 1, and have certain spacing distance, example between the first column 21 and the second column 22 Such as 0.3m~0.6m.Transverse slat 21 is fixed at the top of the first column 21 and the second column 22.Transverse slat 20, the first column 21, The space that synthesis is surrounded in the top surface of second column 22 and bracket 2 is workspace 12.The pulley blocks include first pulley 6 and Two pulleys 6, first pulley 5 is on the extended line of the first column 21, and second pulley 6 is on the extended line of the second column 22.First The bottom position of column 21 is equipped with spring 7, and spring 7 is equipped with tension sensor (not marking in figure), the bottom end of the second column 22 Equipped with sprayer 8, sprayer 8 be used for according to actual test need for being provided by lining rope 11 in workspace 12 it is moist or Acid or alkalinity environment, to simulate the use state under different operating conditions by lining rope.
It is additionally provided with camera 9 and computer 10 in top surface, the separate positive position of pedestal 1, camera 9 and computer 10 carry out Communication connection.Camera 9 can take the state in workspace 12, and transmit it to computer 10, and computer 10 can be recorded And data processing.
Embodiment 2
A kind of working method of small-sized multi-state rope abrasion tester is present embodiments provided, as shown in Figure 1-3, include Following steps:
(1) it will be fixed on the lead column 4 by one end of lining rope 11, the other end successively bypasses 5 He of first pulley Then the second pulley 6 is connected on the spring 7, is intersected in workspace by lining rope 11.Meanwhile tension sensor Stress within the set range, makes to be in normal range by the pulling force of lining rope 11, not too big or too small.
(2) motor, computer, sprayer and camera are opened, driving disc spacing pressing 4 described in the motor driven rotates, thus described Lead column 4 also rotates with it, and the position of lead column 4, which periodically changes, to be made to be done periodical back and forth movement by lining rope.Workspace 12 Phase mutual friction during back and forth movement by lining rope 11 of interior both direction.The sprayable water mist of the sprayer 8 gives work The moist or environment such as meta-alkalescence or acidity are provided by lining rope in area 12, have simulated the use ring of rope under variant operating condition Border.The camera 9 is monitored to it and data acquisition, and sends data to the computer, the computer to data into Row record, analysis processing.The value of thrust suffered by lining rope is transmitted to computer 10 in test phase by tension sensor, to guarantee to test In the process, the pulling force described in lining rope within the set range, is prevented because pulling force is too large or too small from the accurate of influence test result Property.
Specific embodiments of the present invention are described in detail above, but it is only used as example, the present invention is not intended to limit In particular embodiments described above.To those skilled in the art, it any equivalent modifications to the practical progress and replaces In generation, is also all among scope of the invention.Therefore, without departing from the spirit and scope of the invention made by equal transformation and repair Change, all should be contained within the scope of the invention.

Claims (5)

1. a kind of small-sized multi-state rope abrasion tester characterized by comprising pedestal is fixedly installed on the pedestal Bracket, be set to the bracket top pulley blocks, driving disc spacing pressing and sprayer;Wherein:
The pulley blocks include first pulley and second pulley, on the bracket, the first pulley or the second pulley Lower part be equipped with spring;
The driving disc spacing pressing is set to the side of the pedestal, and is rotatably connected in the pedestal, the axle center of the driving disc spacing pressing To being equidistant for the first pulley and the second pulley, the driving disc spacing pressing is equipped with drawing-off column;The driving disc spacing pressing connection Motor, the motor is for driving the driving disc spacing pressing to be rotated;
Space made of the bracket and the pedestal surround is workspace, and the sprayer is set on the bracket, nozzle Towards the workspace, the sprayer is for spraying water mist to provide different experimental enviroments.
2. abrasion tester according to claim 1, which is characterized in that the spring is equipped with tension sensor, is used for Measure the pulling force suffered by lining rope.
3. abrasion tester according to claim 1, which is characterized in that the bracket include horizontally disposed transverse slat and Two columns being vertically arranged: the first column and the second column, the spring are set on first column, and the sprayer is set In on second column.
4. the working method of abrasion tester according to claim 1, which is characterized in that comprising steps of
(1) it will be fixed on the lead column by one end of lining rope, the other end successively bypasses the first pulley and described second Then pulley is connected on the spring, intersected by lining rope at the middle part of the bracket, and the stress of tension sensor is in setting model In enclosing;
(2) motor, computer and camera, the rotation of driving disc spacing pressing described in the motor driven are opened, thus drive the lead column with Rotation, done periodical back and forth movement by lining rope, in the workspace, intersected by lining rope, and phase mutual friction, the camera pair It is monitored acquires with data, and sends data to the computer, and the computer records data, analysis is handled.
5. working method according to claim 4, which is characterized in that further include that unlatching is described spraying in the step (2) Device, for being provided moist or meta-alkalescence or acidity environment by lining rope in the workspace.
CN201910217969.7A 2019-03-21 2019-03-21 A kind of small-sized multi-state rope abrasion tester and working method Pending CN109959574A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910217969.7A CN109959574A (en) 2019-03-21 2019-03-21 A kind of small-sized multi-state rope abrasion tester and working method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910217969.7A CN109959574A (en) 2019-03-21 2019-03-21 A kind of small-sized multi-state rope abrasion tester and working method

Publications (1)

Publication Number Publication Date
CN109959574A true CN109959574A (en) 2019-07-02

Family

ID=67024728

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910217969.7A Pending CN109959574A (en) 2019-03-21 2019-03-21 A kind of small-sized multi-state rope abrasion tester and working method

Country Status (1)

Country Link
CN (1) CN109959574A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114563340A (en) * 2022-04-27 2022-05-31 南通万金钢绳有限公司 Corrosion resistance detection experimental device for steel wire rope production and processing
CN115586096A (en) * 2022-11-08 2023-01-10 邵东智能制造技术研究院有限公司 Be used for case and bag abrasion resistance check out test set

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020173740A1 (en) * 2001-03-26 2002-11-21 Roby Mark S. Fray tester
CN1932472A (en) * 2006-10-12 2007-03-21 上海交通大学 Elevator dray driving sliding contact fatigue wear testing machine
CN101183061A (en) * 2006-11-14 2008-05-21 东芝电梯株式会社 Wire rope end connector fatigue test apparatus
CN101819110A (en) * 2009-12-01 2010-09-01 泰山体育产业集团有限公司 Tensile testing equipment of trampoline tension spring
CN103245580A (en) * 2013-04-02 2013-08-14 南京航空航天大学 Environment test device for idler wheel abrasion tester
CN203414362U (en) * 2013-06-25 2014-01-29 山东鲁普科技有限公司 Device for measuring fatigue-weather resistance of rope
CN104458566A (en) * 2014-12-05 2015-03-25 中国矿业大学 High-speed and fretting-friction testing apparatus for steel wire ropes
CN206056934U (en) * 2016-08-22 2017-03-29 中国科学院等离子体物理研究所 A kind of easy reciprocal non-percussion load charger
CN207662747U (en) * 2017-07-11 2018-07-27 河南建奇建设集团有限公司 Test the CYCLIC LOADING system of pile-soil interaction power in foundation construction construction
CN108489840A (en) * 2018-06-01 2018-09-04 浙江四兄绳业有限公司 A kind of assembly type rope abrasion dynamic testing machine
CN208399279U (en) * 2018-06-01 2019-01-18 浙江四兄绳业有限公司 A kind of hawser abrasion and the combined testing machine that is broken

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020173740A1 (en) * 2001-03-26 2002-11-21 Roby Mark S. Fray tester
CN1932472A (en) * 2006-10-12 2007-03-21 上海交通大学 Elevator dray driving sliding contact fatigue wear testing machine
CN101183061A (en) * 2006-11-14 2008-05-21 东芝电梯株式会社 Wire rope end connector fatigue test apparatus
CN101819110A (en) * 2009-12-01 2010-09-01 泰山体育产业集团有限公司 Tensile testing equipment of trampoline tension spring
CN103245580A (en) * 2013-04-02 2013-08-14 南京航空航天大学 Environment test device for idler wheel abrasion tester
CN203414362U (en) * 2013-06-25 2014-01-29 山东鲁普科技有限公司 Device for measuring fatigue-weather resistance of rope
CN104458566A (en) * 2014-12-05 2015-03-25 中国矿业大学 High-speed and fretting-friction testing apparatus for steel wire ropes
CN206056934U (en) * 2016-08-22 2017-03-29 中国科学院等离子体物理研究所 A kind of easy reciprocal non-percussion load charger
CN207662747U (en) * 2017-07-11 2018-07-27 河南建奇建设集团有限公司 Test the CYCLIC LOADING system of pile-soil interaction power in foundation construction construction
CN108489840A (en) * 2018-06-01 2018-09-04 浙江四兄绳业有限公司 A kind of assembly type rope abrasion dynamic testing machine
CN208399279U (en) * 2018-06-01 2019-01-18 浙江四兄绳业有限公司 A kind of hawser abrasion and the combined testing machine that is broken

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114563340A (en) * 2022-04-27 2022-05-31 南通万金钢绳有限公司 Corrosion resistance detection experimental device for steel wire rope production and processing
CN115586096A (en) * 2022-11-08 2023-01-10 邵东智能制造技术研究院有限公司 Be used for case and bag abrasion resistance check out test set

Similar Documents

Publication Publication Date Title
CN109959574A (en) A kind of small-sized multi-state rope abrasion tester and working method
CN100557316C (en) Lighter full-automatic on-line detecting instrument
CN207866641U (en) A kind of multifunction friction wear testing machine secondary based on the friction of pin disk
CN111413235A (en) Pin-disc type synergistic friction and wear testing device and testing method thereof
CN108489840B (en) Assembled rope wear dynamic testing machine
CN106862167B (en) A kind of use for electronic products dust-extraction unit
CN108982272A (en) A kind of peanut picking collision friction wear tester
CN106124149B (en) A kind of detectable vehicle transmission shaft vibration and the live contrast test device of simulation
CN205538557U (en) Vibrating type viscometer
CN110108893A (en) A kind of heavy duty detergent instrument for detecting pesticide residue through that accuracy is high
CN201773000U (en) Bearing life reliability testing device
CN108436452A (en) Gearbox rear cover bearing laser engraving assembles center
CN108931366A (en) Axle sleeve wear test equipment
CN208751969U (en) A kind of surface abrasion resistance experimental provision
CN107421727A (en) Rolling cage shoe dynamic tester
CN109939943A (en) A kind of ball bearing frictional force detects screening plant and application method automatically
CN205719840U (en) A kind of experimental facilities of swivel control head glue core abrasion
CN108639756A (en) A kind of glass suction means
CN108152148A (en) A kind of quick detection torsionspring load device and torsionspring cutting load testing system
CN103231366A (en) Mechanical arm of bearing detecting machine
CN211121603U (en) Noise monitoring equipment for gold mine exploitation
CN203245137U (en) Mechanical arm of bearing testing machine
CN219177290U (en) Electric power inspection robot mechanical arm device
CN208672683U (en) A kind of battery tester shell
CN208588310U (en) A kind of steam turbine stator part axiality detection device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190702

RJ01 Rejection of invention patent application after publication