CN110243585A - A kind of the smoothness test device and its method of sliding door - Google Patents

A kind of the smoothness test device and its method of sliding door Download PDF

Info

Publication number
CN110243585A
CN110243585A CN201910614494.5A CN201910614494A CN110243585A CN 110243585 A CN110243585 A CN 110243585A CN 201910614494 A CN201910614494 A CN 201910614494A CN 110243585 A CN110243585 A CN 110243585A
Authority
CN
China
Prior art keywords
door
photoelectric
sliding door
sliding
connecting portion
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
CN201910614494.5A
Other languages
Chinese (zh)
Inventor
林孝发
林孝山
王家骏
叶鸿钦
王伏根
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.)
Jomoo Kitchen and Bath Co Ltd
Jomoo Group Co Ltd
Original Assignee
Jomoo Group Co 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 Jomoo Group Co Ltd filed Critical Jomoo Group Co Ltd
Priority to CN201910614494.5A priority Critical patent/CN110243585A/en
Publication of CN110243585A publication Critical patent/CN110243585A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Wing Frames And Configurations (AREA)

Abstract

The present invention provides the smoothness test devices and its method of a kind of sliding door, including the first photoelectric door, the second photoelectric door set gradually along sliding door glide direction, and the baffle being fixed on the sliding door;The baffle slides with the sliding door and passes sequentially through first photoelectric door, the second photoelectric door.Reduction test error can be realized using the technical program, to obtain high-precision test result.

Description

A kind of the smoothness test device and its method of sliding door
Technical field
The present invention relates to the smoothness test device of sliding door smoothness testing field, in particular to a kind of sliding door and its Method.
Background technique
It is the important channel for grasping its properties of product to its test for carrying out smoothness in the production process of sliding door, The method for testing its smoothness in the prior art usually needs to test by transmission mechanism;It specifically needs to slide by rope, calmly For wheel to test, rope can make surveyed smoothness less than normal with frictional resistance existing for fixed pulley;In addition, being applied during the test The distance that the time of external force or experiment generate needs manual measurement, and relative error is big, leads to surveyed smoothness data inaccuracy;? Apply and be unable to ensure in exogenic processes fully horizontally, keeps surveyed smoothness less than normal.
Summary of the invention
The purpose of the present invention is to provide the smoothness test devices and its method of a kind of sliding door, reduce test error, To obtain high-precision test result.
In order to solve the above-mentioned technical problems, the present invention provides a kind of smoothness test devices of sliding door, including along cunning The first photoelectric door, the second photoelectric door that dynamic door glide direction is set gradually, and the baffle being fixed on the sliding door;It is described Baffle slides with the sliding door and passes sequentially through first photoelectric door, the second photoelectric door.
In a preferred embodiment, first photoelectric door and the second photoelectric door are set on a cross bar, the cross bar Length direction it is parallel with the glide direction of the sliding door;The cross bar is fixed on the door beam of the sliding door.
In a preferred embodiment, the cross bar is fixedly connected with a hook, described to hang on the door beam.
In a preferred embodiment, the hook, which specifically includes, is parallel to each other and is set to the first of the two sides Men Liang Interconnecting piece and second connecting portion;The first connecting portion is for fixing first photoelectric door and the second photoelectric door;Described second Interconnecting piece is bonded the door beam setting, and a limiting section is extended in the end of the second connecting portion, for existing with the door beam It is mutually limited on vertical direction;There is certain distance between the first connecting portion and the door beam.
In a preferred embodiment, the connecting rod level being set between the first connecting portion and second connecting portion is pasted The top of the door beam is closed, the second connecting portion is bonded the side of the door beam along the vertical direction;The limiting section specifically by The end of the second connecting portion is extended to form to the direction close to the first connecting portion;The side of the door beam is along level side To limit mating surface is provided with, the limiting section, which abuts the limit mating surface, makes the second connecting portion and the door beam perpendicular Histogram mutually limits upwards.
In a preferred embodiment, first photoelectric door and the second photoelectric door are set to the different positions on the cross bar When setting, first photoelectric door and the second photoelectric door are different relative to the position of the sliding door.
In a preferred embodiment, multiple fixed parts are provided on the cross bar, for fixing first photoelectric door And second photoelectric door.
In a preferred embodiment, the baffle is fixed on the sliding door by gluing.
In a preferred embodiment, first photoelectric door and the second photoelectric door are electrically connected with a control cabinet, the control Case processed is used to receive the electric signal that first photoelectric door and the second photoelectric door issue.
The present invention also provides a kind of smoothness test methods of sliding door, survey using the smoothness of above-mentioned sliding door Trial assembly is set;When the sliding door is static, applies a baffle made on the sliding door enough to the sliding door and successively lead to Cross the of short duration power of first photoelectric door and the second photoelectric door;The baffle passes sequentially through first photoelectric door and the second light The time that electric switch blocks is respectively t1、t2, and by t1、t2It is sent to the control cabinet;Measure first photoelectric door and the second light The distance between electric switch s measures the width d of the baffle;
Speed V when then the baffle is by first photoelectric door1=d/t1, the baffle pass through second photoelectricity Speed V when door2=d/t2
A is the acceleration of the baffle;I.e.SoThe sliding door does uniformly retarded motion in sliding, according to Newton's second law F=ma;So sliding door F=μm of g=m of frictional force in sliding | a |=- ma;Wherein g is acceleration of gravity, and m is the quality of the sliding door;So Obtain the coefficient of friction of distance of the sliding door between first photoelectric door and the second photoelectric door
Compared to the prior art, technical solution of the present invention have it is following the utility model has the advantages that
The present invention provides the smoothness test device and its method of a kind of sliding door, this method passes through test sliding door Coefficient of friction redefines the smoothness of sliding door, by the first photoelectric door of setting and the second photoelectricity does even deceleration by sliding door Movement obtains to obtain the acceleration that baffle moves between the first photoelectric door and the second photoelectric door, then by Newton's second law The coefficient of friction of sliding door;This method overcomes the influence of transmission mechanism frictional resistance in original test method, overcomes original There is the influence for the parameter inaccuracy that exerts a force in test method, overcomes sliding distance manual measurement inaccuracy in original test method It influences, by the parameter testing of phoronomics, exports the smoothness of sliding door, overcome the influence of all terms of mechanics.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the smoothness test device of sliding door in the preferred embodiment of the present invention;
Fig. 2 is the concrete structure schematic diagram of cross bar in the preferred embodiment of the present invention;
Fig. 3 is the partial structurtes enlarged diagram of cross bar in the preferred embodiment of the present invention;
Fig. 4 is the sectional view of the smoothness test device of sliding door in the preferred embodiment of the present invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
A kind of smoothness test device of sliding door, referring to figs. 1 to 4, including what is set gradually along 1 glide direction of sliding door First photoelectric door 41, the second photoelectric door 42, and the baffle 3 being fixed on the sliding door 1;The baffle 3 is with the sliding Door 1 slides and passes sequentially through first photoelectric door 41, the second photoelectric door 42.Specifically, first photoelectric door 41 and Two photoelectric doors 42 are set on a cross bar 5, and the length direction of the cross bar 5 is parallel with the glide direction of the sliding door 1;It is described Cross bar 5 is fixed on the door beam 2 of the sliding door 1.The cross bar 5 is fixedly connected with the fixation of door beam 2 by the cross bar 5 One hook is realized, described to hang on the door beam 2.
With reference to Fig. 2 and 3, the hook specifically includes the first connecting portion for being parallel to each other and being set to 2 two sides of door beam 51 and second connecting portion 52;The first connecting portion 51 is for fixing first photoelectric door 41 and the second photoelectric door 42;It is described Second connecting portion 52 is bonded the door beam 2 and is arranged, and a limiting section 521 is extended in the end of the second connecting portion 52, is used for With the door beam 2 mutually limit in the vertical direction;There is certain distance between the first connecting portion 51 and the door beam 2, For accommodating first photoelectric door 41 and the second photoelectric door 42.Be set to the first connecting portion 51 and second connecting portion 52 it Between 53 horizontal abutment of connecting rod described in door beam 2 top, the second connecting portion 52 is bonded the door beam 2 along the vertical direction Side;The limiting section 521 specifically prolongs from the end of the second connecting portion 52 to the direction close to the first connecting portion 51 It stretches to be formed;The side of the door beam 2 is horizontally disposed a limit mating surface 21, the limit mating surface 21 downward, The limiting section 521, which abuts the limit mating surface 21, makes the second connecting portion 52 and the door beam 2 phase in the vertical direction Mutually limit.
When first photoelectric door 41 and the second photoelectric door 42 are set to the different location on the cross bar 5, described first Photoelectric door 41 and the second photoelectric door 42 are different relative to the position of the sliding door 1.It thus may be implemented to detect the sliding The smoothness function of 1 different location of door.Multiple fixed parts 54 are provided on the cross bar 5, for fixing first photoelectric door 41 and second photoelectric door 42, first photoelectric door 41 and the second photoelectric door 42 are fixed on different fixed parts 54, and described first Photoelectric door 41 and the second photoelectric door 42 are just different relative to the position of the sliding door 1.Specifically, the first photoelectric door 41 and Screw hole is provided in two photoelectric doors 42, the fixed part 54 is also specially screw hole, first photoelectric door 41 and the second photoelectric door 42 are achieved a fixed connection with cross bar 5 by screw 7 and the cooperation of screw hole.
Specifically, the baffle 3 is fixed on the sliding door 1 by gluing.First photoelectric door 41 and second Photoelectric door 42 is electrically connected with a control cabinet 6, and the control cabinet 6 is for receiving first photoelectric door 41 and the second photoelectric door 42 hair Electric signal out.The control cabinet 6 further includes having a display.Specifically, first photoelectric door and the second photoelectric door be also Including laser beam emitting head 411 and laser pickoff 412.
The method of smoothness test device introduced below using the sliding door;When the sliding door 1 is static, institute is given It states one baffle 3 made on the sliding door 1 enough of application of sliding door 1 and passes sequentially through first photoelectric door 41 and the second photoelectricity The of short duration power of door 42;The baffle 3 passes sequentially through the time difference that first photoelectric door 41 and the second photoelectric door 42 are blocked For t1、t2, and by t1、t2Be sent to the control cabinet 6, display on the display;Measure first photoelectric door 41 and The distance between two photoelectric doors 42 s, measures the width d of the baffle 3;Used here as between two photoelectric doors of tape measure away from From using the width of baffle 3 described in vernier caliper measurement.
Speed V when then the baffle 3 is by first photoelectric door 411=d/t1, the baffle 3 pass through described second Speed V when photoelectric door 422=d/t2A is the acceleration of the baffle 3;I.e.SoThe sliding door 1 does uniformly retarded motion in sliding, according to ox Pause second law F=ma;So the f=μm of g=m of frictional force of sliding door 1 in sliding | a |=- ma;Wherein g is gravity acceleration Degree, m are the quality of the sliding door 1;So obtaining the sliding door 1 between first photoelectric door 41 and the second photoelectric door 42 Distance coefficient of frictionIt is opposite by changing the first photoelectric door 41 and the second photoelectric door 42 In the position of sliding door 1, so that it may measure sliding door 1 in the friction coefficient μ of guide rail different location, also can be obtained by sliding door 1 smoothness.
The present invention provides the smoothness test device and its method of a kind of sliding door, this method passes through test sliding door 1 Coefficient of friction redefine the smoothness of sliding door 1, done by sliding door 1 by the first photoelectric door 41 of setting and the second photoelectricity Uniformly retarded motion obtains the acceleration that baffle 3 moves between the first photoelectric door 41 and the second photoelectric door 42, then passes through newton Second law obtains the coefficient of friction of sliding door 1;This method overcomes transmission mechanism frictional resistance in original test method It influences, overcomes the influence for the parameter inaccuracy that exerts a force in original test method, overcome sliding distance hand in original test method The influence of dynamic measurement inaccuracy exports the smoothness of sliding door 1, overcomes all mechanics by the parameter testing of phoronomics The influence of aspect.
The foregoing is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited to this, Anyone skilled in the art in the technical scope disclosed by the present invention, using this design carries out the present invention non- Substantive change belongs to the behavior for invading the scope of the present invention.

Claims (10)

1. a kind of smoothness test device of sliding door, it is characterised in that including set gradually along sliding door glide direction first Photoelectric door, the second photoelectric door, and the baffle being fixed on the sliding door;The baffle slides and successively with the sliding door Pass through first photoelectric door, the second photoelectric door.
2. the smoothness test device of sliding door according to claim 1, which is characterized in that first photoelectric door and Two photoelectric doors are set on a cross bar, and the length direction of the cross bar is parallel with the glide direction of the sliding door;The cross bar It is fixed on the door beam of the sliding door.
3. the smoothness test device of sliding door according to claim 2, which is characterized in that the cross bar is fixedly connected with One hook, it is described to hang on the door beam.
4. the smoothness test device of sliding door according to claim 3, which is characterized in that the hook specifically includes phase First connecting portion and second connecting portion mutually parallel and that be set to the two sides Men Liang;Described in the first connecting portion is used to fix First photoelectric door and the second photoelectric door;The second connecting portion is bonded the door beam setting, and the end of the second connecting portion Extend a limiting section, for mutually limiting in the vertical direction with the Men Liang;The first connecting portion and the door beam it Between have certain distance.
5. the smoothness test device of sliding door according to claim 4, which is characterized in that be set to first connection The top of door beam described in connecting rod horizontal abutment between portion and second connecting portion, the second connecting portion are bonded along the vertical direction The side of the door beam;The limiting section is specifically from the end of the second connecting portion to the direction close to the first connecting portion It extends to form;The side of the door beam is horizontally disposed limit mating surface, and the limiting section abuts the limit cooperation Face limits the second connecting portion mutually in the vertical direction with the Men Liang.
6. the smoothness test device of sliding door according to claim 2, it is characterised in that;First photoelectric door and When two photoelectric doors are set to the different location on the cross bar, first photoelectric door and the second photoelectric door are relative to the sliding The position of door is different.
7. the smoothness test device of sliding door according to claim 6, which is characterized in that be provided on the cross bar more A fixed part, for fixing first photoelectric door and the second photoelectric door.
8. the smoothness test device of sliding door according to claim 1, which is characterized in that the baffle is solid by gluing Due on the sliding door.
9. the smoothness test device of sliding door as claimed in any of claims 1 to 8, which is characterized in that described First photoelectric door and the second photoelectric door are electrically connected with a control cabinet, and the control cabinet is for receiving first photoelectric door and second The electric signal that photoelectric door issues.
10. a kind of smoothness test method of sliding door, it is characterised in that using sliding door described in the claims 9 Smoothness test device;When the sliding door is static, apply a gear made on the sliding door enough to the sliding door Piece passes sequentially through the of short duration power of first photoelectric door and the second photoelectric door;The baffle passes sequentially through first photoelectric door And second time for blocking of photoelectric door be respectively t1、t2, and by t1、t2It is sent to the control cabinet;Measure first photoelectric door And second the distance between the photoelectric door s, measure the width d of the baffle;
Speed V when then the baffle is by first photoelectric door1=d/t1, when the baffle is by second photoelectric door Speed V2=d/t2
A is the acceleration of the baffle;I.e.SoThe sliding door does uniformly retarded motion in sliding, according to Newton's second law F=ma;So sliding The f=μm of g=m of frictional force of door in sliding | a |=- ma;Wherein g is acceleration of gravity, and m is the quality of the sliding door;Institute To obtain the coefficient of friction of distance of the sliding door between first photoelectric door and the second photoelectric door
CN201910614494.5A 2019-07-09 2019-07-09 A kind of the smoothness test device and its method of sliding door Pending CN110243585A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910614494.5A CN110243585A (en) 2019-07-09 2019-07-09 A kind of the smoothness test device and its method of sliding door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910614494.5A CN110243585A (en) 2019-07-09 2019-07-09 A kind of the smoothness test device and its method of sliding door

Publications (1)

Publication Number Publication Date
CN110243585A true CN110243585A (en) 2019-09-17

Family

ID=67891542

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910614494.5A Pending CN110243585A (en) 2019-07-09 2019-07-09 A kind of the smoothness test device and its method of sliding door

Country Status (1)

Country Link
CN (1) CN110243585A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110864891A (en) * 2019-11-27 2020-03-06 广东工业大学 Pulley damper testing device

Citations (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5274312A (en) * 1991-12-24 1993-12-28 Inventio Ag Method and apparatus for controlling a sliding elevator door
US6062079A (en) * 1997-08-19 2000-05-16 Becs Technology, Inc. Apparatus for automatically verifying the installation and alignment of an automotive door
KR20020054777A (en) * 2000-12-28 2002-07-08 이계안 Sliding door durableness-testing system for bus and control method thereof
CN2864653Y (en) * 2005-04-22 2007-01-31 上海市建筑科学研究院有限公司 Multifunctional new type experiment table for detecting fatigne performance of building door and window
US20080034855A1 (en) * 2006-08-11 2008-02-14 Maximiliaan Peeters Sliding weight borehole gravimeter
CN201094506Y (en) * 2007-10-18 2008-08-06 王�章 Portal type clothes hanger
KR20120042650A (en) * 2010-10-25 2012-05-03 스미토모 고무 고교 가부시키가이샤 A process for predicting a coefficient of friction
CN103837697A (en) * 2014-03-13 2014-06-04 韩翠霞 Continuous speed measurement photoelectric speed meter and speed measurement method
US20160033366A1 (en) * 2014-07-29 2016-02-04 Honeywell International Inc. Motion detection devices and systems
CN205027528U (en) * 2015-10-21 2016-02-10 格力电器(武汉)有限公司 Cabinet -type air conditioner sliding door test fixture
CN105738122A (en) * 2016-02-01 2016-07-06 湖北文理学院 Automobile bumper simulated collision test system and test method
GB201611894D0 (en) * 2016-07-08 2016-08-24 Imp Innovations Ltd An apparatus and method for generating a motional signature indicative of motion of moving parts of a target machine
CN205963707U (en) * 2016-06-25 2017-02-22 永嘉源泰五金有限公司 Door back hook
CN106468625A (en) * 2015-08-18 2017-03-01 上海市特种设备监督检验技术研究院 A kind of elevator horizontally sliding door door closing force dynamic testing method
CN106568594A (en) * 2017-01-03 2017-04-19 九牧厨卫股份有限公司 Sliding door smoothness detection method and apparatus
CN106680532A (en) * 2016-12-23 2017-05-17 安徽达尔智能控制系统股份有限公司 Photogate component of novel multi-gate structure
CN106781902A (en) * 2017-01-11 2017-05-31 兰州大学 A kind of experimental provision for studying air drag
CN107084856A (en) * 2017-05-18 2017-08-22 九牧厨卫股份有限公司 A kind of built-in cabinet door drawer switch test device
CN207280760U (en) * 2017-09-12 2018-04-27 泉州市杰斯特仪器设备有限公司 A kind of collision performance testing device of carriage for children
CN207351668U (en) * 2017-08-31 2018-05-11 宁波信泰机械有限公司 A kind of automobile vehicle window sealing strip slides durable simulation test device
CN108088791A (en) * 2017-11-17 2018-05-29 河海大学 Coefficient of sliding friction measuring device and measuring method between a kind of soil body and excavation equipment
CN108573639A (en) * 2018-06-06 2018-09-25 河南师范大学 A kind of device that can measure arbitrary shaped body inertia mass
CN108801140A (en) * 2018-06-20 2018-11-13 广东工业大学 A kind of sliding door jack value measuring device and method
CN109100166A (en) * 2018-07-10 2018-12-28 安徽悦众车身装备有限公司 A kind of automotive seat quality testing tooling
CN208837542U (en) * 2018-05-15 2019-05-10 安庆师范大学 Packaged type clothes hanger behind the door
CN209979220U (en) * 2019-07-09 2020-01-21 九牧厨卫股份有限公司 Smooth degree testing arrangement of sliding door

Patent Citations (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5274312A (en) * 1991-12-24 1993-12-28 Inventio Ag Method and apparatus for controlling a sliding elevator door
US6062079A (en) * 1997-08-19 2000-05-16 Becs Technology, Inc. Apparatus for automatically verifying the installation and alignment of an automotive door
KR20020054777A (en) * 2000-12-28 2002-07-08 이계안 Sliding door durableness-testing system for bus and control method thereof
CN2864653Y (en) * 2005-04-22 2007-01-31 上海市建筑科学研究院有限公司 Multifunctional new type experiment table for detecting fatigne performance of building door and window
US20080034855A1 (en) * 2006-08-11 2008-02-14 Maximiliaan Peeters Sliding weight borehole gravimeter
CN201094506Y (en) * 2007-10-18 2008-08-06 王�章 Portal type clothes hanger
KR20120042650A (en) * 2010-10-25 2012-05-03 스미토모 고무 고교 가부시키가이샤 A process for predicting a coefficient of friction
CN103837697A (en) * 2014-03-13 2014-06-04 韩翠霞 Continuous speed measurement photoelectric speed meter and speed measurement method
US20160033366A1 (en) * 2014-07-29 2016-02-04 Honeywell International Inc. Motion detection devices and systems
CN106468625A (en) * 2015-08-18 2017-03-01 上海市特种设备监督检验技术研究院 A kind of elevator horizontally sliding door door closing force dynamic testing method
CN205027528U (en) * 2015-10-21 2016-02-10 格力电器(武汉)有限公司 Cabinet -type air conditioner sliding door test fixture
CN105738122A (en) * 2016-02-01 2016-07-06 湖北文理学院 Automobile bumper simulated collision test system and test method
CN205963707U (en) * 2016-06-25 2017-02-22 永嘉源泰五金有限公司 Door back hook
GB201611894D0 (en) * 2016-07-08 2016-08-24 Imp Innovations Ltd An apparatus and method for generating a motional signature indicative of motion of moving parts of a target machine
CN106680532A (en) * 2016-12-23 2017-05-17 安徽达尔智能控制系统股份有限公司 Photogate component of novel multi-gate structure
CN106568594A (en) * 2017-01-03 2017-04-19 九牧厨卫股份有限公司 Sliding door smoothness detection method and apparatus
CN106781902A (en) * 2017-01-11 2017-05-31 兰州大学 A kind of experimental provision for studying air drag
CN107084856A (en) * 2017-05-18 2017-08-22 九牧厨卫股份有限公司 A kind of built-in cabinet door drawer switch test device
CN207351668U (en) * 2017-08-31 2018-05-11 宁波信泰机械有限公司 A kind of automobile vehicle window sealing strip slides durable simulation test device
CN207280760U (en) * 2017-09-12 2018-04-27 泉州市杰斯特仪器设备有限公司 A kind of collision performance testing device of carriage for children
CN108088791A (en) * 2017-11-17 2018-05-29 河海大学 Coefficient of sliding friction measuring device and measuring method between a kind of soil body and excavation equipment
CN208837542U (en) * 2018-05-15 2019-05-10 安庆师范大学 Packaged type clothes hanger behind the door
CN108573639A (en) * 2018-06-06 2018-09-25 河南师范大学 A kind of device that can measure arbitrary shaped body inertia mass
CN108801140A (en) * 2018-06-20 2018-11-13 广东工业大学 A kind of sliding door jack value measuring device and method
CN109100166A (en) * 2018-07-10 2018-12-28 安徽悦众车身装备有限公司 A kind of automotive seat quality testing tooling
CN209979220U (en) * 2019-07-09 2020-01-21 九牧厨卫股份有限公司 Smooth degree testing arrangement of sliding door

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
劳运敬: "地铁屏蔽门控制系统的研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110864891A (en) * 2019-11-27 2020-03-06 广东工业大学 Pulley damper testing device

Similar Documents

Publication Publication Date Title
CN203133252U (en) Linear stepping motor test device
CN203025327U (en) Testing device for linear stepping motor
CN201340762Y (en) Superconductive cable stranding constant tension control system
CN204788741U (en) Lead screw step motor thrust test fixture
CN108362217A (en) Brillouin light fiber sensor system strains calibrating installation and calibration method
CN205333753U (en) Device for connecting detect pencil length specification
CN110243585A (en) A kind of the smoothness test device and its method of sliding door
WO2014008505A8 (en) Method and system for measuring a property of a non-newtonian fluid
CN103868846A (en) Test bed and measurement method for measuring friction coefficient of electric brush
CN104849208A (en) Fiber friction coefficient testing device and testing method thereof
CN206488728U (en) Linear diameter measurement instrument
CN208075789U (en) A kind of Brillouin light fiber sensor system strain calibrating installation
CN209979220U (en) Smooth degree testing arrangement of sliding door
CN203050684U (en) Clamp piston and hole diameter logger
CN105115890A (en) Measuring device of friction coefficient of papilionaceous optical cable and measuring method of measuring device
CN104931351B (en) Device for testing tensile force and its test method
CN207717002U (en) A kind of mechanism measuring orifice chamfer diameter
CN104374510B (en) Wiring harness tensile force test clamp capable of being moved and adjusted in multiple directions
CN203551099U (en) Optical fiber grating sensor
CN104457957A (en) Fiber bragg grating sensor
CN109615225B (en) Meta-motion assembly quality assessment method and device of ball screw mechanism
CN211147490U (en) Wedge-shaped clearance gauge for engineering supervision
CN203798331U (en) Filter rod/tobacco rod length detection base and length detection device comprising same
CN209928746U (en) Teaching device for friction force experiment
CN103245607A (en) Device for measuring frictional force accurately

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