CN108318242A - A kind of damper damping force test device and test method - Google Patents

A kind of damper damping force test device and test method Download PDF

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Publication number
CN108318242A
CN108318242A CN201810432101.4A CN201810432101A CN108318242A CN 108318242 A CN108318242 A CN 108318242A CN 201810432101 A CN201810432101 A CN 201810432101A CN 108318242 A CN108318242 A CN 108318242A
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CN
China
Prior art keywords
damper
program module
test
damping force
level
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Pending
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CN201810432101.4A
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Chinese (zh)
Inventor
宋勇男
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Dongguan Li Fu Gao Plastic Products Co Ltd
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Dongguan Li Fu Gao Plastic Products 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.)
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Application filed by Dongguan Li Fu Gao Plastic Products Co Ltd filed Critical Dongguan Li Fu Gao Plastic Products Co Ltd
Priority to CN201810432101.4A priority Critical patent/CN108318242A/en
Publication of CN108318242A publication Critical patent/CN108318242A/en
Pending legal-status Critical Current

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    • 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

It is provided with vibration discharge disk, feed mechanism, damping force mechanism for testing, discharging mechanism, sorting mechanism, control cabinet in a kind of damper damping force test device and test method, including a test platform;Multiple program modules are loaded in the single chip microcomputer of control cabinet, instruction is suitable for being loaded and being executed by processor.The card slot of clamp is stuck on the strip of damper by the damping force mechanism for testing, then driving test shaft rotation moves an angle, test suite rotates therewith respective angles, the upper end of test suite connecting spring, the lower end of spring is connect with clamp, tested damper belongs to level-one qualification in one level temporal arrival, belong to two level qualification in the arrival of two level qualified time, it is unqualified beyond two level qualified time, damping force detects program module and the test result of the damper is stored among program operation variable buffer for sorting.The present invention is advantageous in that:Compared with prior art, the present invention improves nearly 20 times of efficiency, saves artificial 20 people.

Description

A kind of damper damping force test device and test method
Technical field
The present invention relates to auto parts manufacturing technology fields, especially for making when the parcel tray either on or off of automotive trim The measuring technology of damper, and test the device of the damper.
Background technology
In the prior art, the damper for being used when the parcel tray either on or off of automotive trim is as shown in Fig. 2, damper 1 is made of shell 11 and inner core, and inner core is immersed among damping oil, and very sticky ointment shape when due to damping oil, inner core is at it The prodigious resistance of customer service is wanted in middle movement, slow in action, therefore referred to as damper, the box cover of the parcel tray of automotive trim are being opened When, it is intended that it when flexibly open, at this moment will use damper.
Damper during fabrication, will carry out hot melt riveted between inner core and shell, this riveted to meet be both it is closed again It can be freely rotated, closed is to be realized by sealing ring, and be freely rotated, and needs the just right of riveted, therefore detect riveted Whether tension, be the leading indicator for examining damper whether qualified.
Traditional inspection is manually to carry out one by one, and efficiency is very low.
In order to meet the needs of produce reality, it is necessary to improve detection efficiency, and the skill that can not use for reference in the prior art Art.
People call a kind of the damper damping force test method and device of automation, increase substantially detection efficiency, existing Have in technology without such machinery equipment.
Invention content
In order to solve the detection of damper damping force, " traditional method is manually to be detected one by one, and efficiency is very low. And in order to meet the needs of produce reality, it is necessary to improve detection efficiency, and the technology that can not use for reference in the prior art.People A kind of the damper damping force test method and device of automation are called, detection efficiency is increased substantially." the problem of, the present invention Patent application proposes that a kind of damper damps force test device and test method so that detection efficiency greatlys improve.
The invention is realized in this way implementing a kind of damper damping force test method, the test method includes as follows Step:
A test platform is arranged in the first step first, and vibration discharge disk, feed mechanism, damping force test are arranged on test platform Mechanism, discharging mechanism, sorting mechanism, control cabinet;There are a single chip microcomputer, the monolithic micro- on the main circuit board of control cabinet Computer-internal is provided with program storage, and loading includes main program module, vibration discharge control program module, send wherein Material control program module, damping force detection program module, discharging control program module, selection control program module;It is described each The instruction of program module is suitable for being loaded and being executed by processor;
Second step, start detection when, main program module operation, and Vibration on Start-up discharge control program module operation, so that vibration is arranged The damper that the outlet of charging tray continually faces upward to feed mechanism conveying twisting;
Third walks, then, and feeding controls program module driving feed mechanism and damper is sent into damping force mechanism for testing;
4th step drives damping force mechanism for testing to work next, damping force detects program module, will be in damping force mechanism for testing Clamp on card slot be stuck on the strip of damper, then driving test shaft rotation moves an angle, and test suite rotates therewith phase Answer angle, test suite that the upper end of spring is driven to rotate therewith, the lower end of spring is connect with clamp, since tested damper has resistance Buddhist nun acts on, and clamp will not be rotated synchronously with test suite, to postpone a time in-position, and damper is reached in one level temporal to be belonged to In level-one qualification, belongs to two level qualification in the arrival of two level qualified time, be unqualified, detection sensor beyond two level qualified time It is arranged in test suite, damping force detects program module and the test result of the damper is stored in program operation variable buffer Among;
5th step, then, discharging control program module operation, driving discharging mechanism operation, the damper that will be completed It send to the entrance of the sorting groove of sorting mechanism, the operation of selection control program module, variable buffer is run according to program and is stored Qualified information, which is opened for control primes detection mouth, seconds detection mouth, or is not opened, directly will be unqualified Product export in defective work case.
Described 5th walks out of material control program module operation, is the right gripper of driving when driving discharging mechanism is run The damper being completed is sent to the entrance of sorting groove, meanwhile, drive one damper to be tested of left gripper Reach the position of damper seat.
The damper seat is driven by damper seat lifting cylinder, and damper seat lifting cylinder controls program by discharging Module drive, when needing the card slot by the clamp in damping force mechanism for testing to be stuck on the strip of damper, damper seat rises Cylinder movement is dropped, damper is risen.
Realize that a kind of damper of the above method damps force test device, the test device includes:
One test platform, be provided on test platform vibration discharge disk, feed mechanism, damping force mechanism for testing, discharging mechanism, Sorting mechanism, control cabinet;There is a single chip microcomputer on the main circuit board of control cabinet, is arranged inside the single chip microcomputer There is program storage, and it includes main program module, vibration discharge control program module, feeding control program mould to load wherein Block, damping force detection program module, discharging control program module, selection control program module;The finger of each program module It enables and is suitable for being loaded and being executed by processor.
The outlet of one section of connection vibration discharge disk of the feed mechanism, the other end connect the left clamper of discharging mechanism.
There are two operating position, left clamper first positions to be located at below feed mechanism for the left clamper, left clamping The device second position is located on damper seat.
The card slot of clamp is stuck in the card of damper by the damping force mechanism for testing by damping force detection program module driving On item, then driving test shaft rotation moves an angle, and test suite rotates therewith respective angles, the upper end of test suite connecting spring, The lower end of spring is connect with clamp, since damper has damping action, clamp not to be rotated synchronously with test suite, to postpone one Time in-position, tested damper belong to level-one qualification in one level temporal arrival, belong to two in the arrival of two level qualified time Grade is qualified, is unqualified beyond two level qualified time, detection sensor is arranged inside test suite, and damping force detects program module The test result of the damper is stored among program operation variable buffer.
The discharging mechanism is sent the damper being completed to sorting mechanism by discharging control program module driving Sorting groove entrance, the operation of selection control program module runs the qualified information that is stored of variable buffer, control according to program Primes processed detects mouth, seconds detection mouth, and which is opened, or is not opened, and is directly exported to defective work unqualified In product case.
The discharging mechanism is by discharging control program module driving, in the resistance for driving right gripper to be completed While Buddhist nun's device is sent to the entrance of sorting groove, the damper for driving left gripper one to be tested reaches the position of damper seat It sets.
The damper seat is driven by damper seat lifting cylinder, and damper seat lifting cylinder controls program module by discharging Driving, when needing the card slot by the clamp in damping force mechanism for testing to be stuck on the strip of damper, damper seat lifting air Cylinder acts, and damper is risen.
The present invention is advantageous in that:Compared with prior art, the present invention improves nearly 20 times of efficiency, saves artificial 20 people.
Description of the drawings
The present invention is further detailed below with attached drawing, but the embodiment in attached drawing is not constituted to this hair Bright any restrictions.
Fig. 1 is damper damping force test device overall schematic according to the present invention;
The schematic diagram for the damper that Fig. 2 is damper of the present invention damping force test device and test method is related to;
Fig. 3 is that the damper damping force test device of the present invention and sorting mechanism 60 in test method can see that drain spout Schematic diagram;
Fig. 4 be the present invention damper damping force test device and test method in sorting mechanism can see primes hopper 63 With the schematic diagram of seconds hopper 65;
Fig. 5 is that the damper of the present invention damps the signal that damping force mechanism for testing 40 is whole in force test device and test method Figure;
Fig. 6 be the present invention damper damping force test device and test method in single chip microcomputer 81 its program for being included The schematic diagram of the program module stored in memory 84.
Specific implementation mode
With reference to specific embodiment one, the present invention will be described.
As shown in Fig. 1~Fig. 6, the best mode of implementation damper damping force test method includes:
A test platform 70 is arranged in the first step first, and vibration discharge disk 20, feed mechanism 30, resistance are arranged on test platform 70 Buddhist nun's power mechanism for testing 40, discharging mechanism 50, sorting mechanism 60, control cabinet 80;There is a monolithic on the main circuit board of control cabinet 80 Microcomputer 81, the single chip microcomputer 81 is internally provided with program storage 84, and it includes main program mould to load wherein Block 8410, vibration discharge control program module 8420, feeding controls program module 8430, damping force detects program module 8440, Discharging control program module 8450, selection control program module 8460;The instruction of each program module is suitable for by processor 82 load and execute;
Second step, start detection when, main program module 8410 run, and Vibration on Start-up discharge control program module 8420 run, The outlet of vibration discharge disk 20 is set continually to convey the upward damper 1 in twisting face 13 to feed mechanism 30;
Third walks, then, and feeding controls program module 8430 and drives feed mechanism 30 that damper 1 is sent into damping force mechanism for testing 40;
4th step drives damping force mechanism for testing 40 to work next, damping force detects program module 8440, and damping force is tested The card slot 42 on clamp 41 in mechanism 40 is stuck on the strip 14 of damper 1, and then driving test axis 45 rotates an angle, Test suite 44 rotates therewith respective angles, and test suite 44 drives the upper end of spring 43 to rotate therewith, the lower end of spring 43 and clamp 41 connections, since tested damper 1 has damping action, clamp 41 will not be rotated synchronously with test suite 44, when postponing one Between in-position, damper 1 one level temporal arrival belongs to level-one qualification, two level qualified time arrival belong to two level qualification, It is unqualified beyond two level qualified time, detection sensor is arranged in test suite 44, and damping force detects program module 8440 will The test result of the damper 1 is stored among program operation variable buffer 83;
5th step, then, discharging control program module 8450 are run, and driving discharging mechanism 50 is run, by what is be completed Damper 1 is sent to the entrance of the sorting groove 61 of sorting mechanism 60, and selection control program module 8460 is run, and is run and is become according to program The qualified information that amount buffer 83 is stored, which is opened for control primes detection mouth 62, seconds detection mouth 64, or all It does not open, directly exports to defective work in defective work case 66.
Described 5th, which walks out of material control program module 8450, runs, and is the right clamping of driving when driving discharging mechanism 50 is run The entrance that the damper 1 being completed is sent to sorting groove 61 is clamped in device 52, meanwhile, it drives left clamper 51 to be clamped one and waits for The damper 1 of test reaches the position of damper seat 47.
The damper seat 47 is driven by damper seat lifting cylinder 48, and damper seat lifting cylinder 48 is controlled by discharging Program module 8450 processed drives, in the card for needing the card slot 42 by the clamp 41 in damping force mechanism for testing 40 to be stuck in damper 1 When on item 14, damper seat lifting cylinder 48 acts, and damper 1 is risen.
Manufacture and design a kind of damper damping force test device, the test device includes:
One test platform 70 is provided with vibration discharge disk 20, feed mechanism 30, damping force mechanism for testing on test platform 70 40, discharging mechanism 50, sorting mechanism 60, control cabinet 80;There are a single chip microcomputer 81, institute on the main circuit board of control cabinet 80 It states single chip microcomputer 81 and is internally provided with program storage 84, and it includes main program module 8410, vibration row to load wherein Material control program module 8420, feeding control program module 8430, damping force detection program module 8440, discharging control program mould Block 8450, selection control program module 8460;The instruction of each program module is suitable for being loaded and being executed by processor 82.
The outlet of 30 1 sections of connection vibration discharge disks 20 of the feed mechanism, the other end connect the left clamping of discharging mechanism 50 Device 51.
There are two operating position, left clamper first positions to be located at below feed mechanism 30 for the left clamper 51, left The clamper second position is located on damper seat 47.
The damping force mechanism for testing 40 is driven by damping force detection program module 8440, and the card slot 42 of clamp 41 is stuck in On the strip 14 of damper 1, then driving test axis 45 rotates an angle, and test suite 44 rotates therewith respective angles, tests The upper end of 44 connecting springs 43 is covered, the lower end of spring 43 is connect with clamp 41, and since damper 1 has damping action, clamp 41 is not It can be rotated synchronously with test suite 44, to postpone a time in-position, tested damper 1 belongs to one in one level temporal arrival Grade is qualified, belongs to two level qualification in the arrival of two level qualified time, is unqualified, detection sensor setting beyond two level qualified time Inside test suite 44, damping force detects program module 8440 and the test result of the damper 1 is stored in program operation variable Among buffer 83.
The discharging mechanism 50 by discharging control program module 8450 drive, by the damper 1 being completed send to The entrance of the sorting groove 61 of sorting mechanism 60, selection control program module 8460 are run, and variable buffer 83 is run according to program The qualified information stored, which is opened for control primes detection mouth 62, seconds detection mouth 64, or is not opened, directly It connects and exports to defective work in defective work case 66.
The discharging mechanism 50 is driven by discharging control program module 8450, has been clamped after tested driving right clamper 52 While the damper 1 finished is sent to the entrance of sorting groove 61, drives left clamper 51 that a damper 1 to be tested is clamped and arrive Up to the position of damper seat 47.
The damper seat 47 is driven by damper seat lifting cylinder 48, and damper seat lifting cylinder 48 controls journey by discharging Sequence module 8450 drives, in the strip 14 for needing the card slot 42 by the clamp 41 in damping force mechanism for testing 40 to be stuck in damper 1 When upper, damper seat lifting cylinder 48 acts, and damper 1 is risen.
As shown in Figure 1, in order to improve efficiency, two identical devices when shown in Fig. 1.
As shown in Fig. 2, when vertical bar 12 on 1 shell 11 of damper in order to install when screens fix damper 1 itself, Mesoporous 15 is to be inserted into an axis when damper 1 is applied and design.
As shown in figure 3, the feed mechanism 30 on the left side continuously sends damper 1, left clamper 51 is clamped one and waits for The damper 1 of test is sent to the same of the entrance of sorting groove 61 in the damper 1 that the right clamping of clamper 52 of driving has been completed When, since the two is disjunctor, the position that a damper 1 to be tested reaches damper seat 47 is clamped in left clamper 51, puts In damper seat 47.
There are three mouths for sorting groove 61:Primes detects mouth 62, seconds detection mouth 64, defective work mouth 661, the first two inspection Respectively there are one expansion plates for outlet, are detected driver 67 by primes respectively and seconds detection driver 68 controls, the two are stretched Contracting plate stretches out, and constitutes a smooth chute with intermediate plate 69, allows damper 1 to slip over, fallen from defective work mouth 661.
As shown in figure 4, defective work case 66, primes hopper 63 and seconds hopper 65 keep in defective work, one respectively Grade product, seconds.
The above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention Thought, the there will be changes in specific implementation mode and application range, the content of the present specification should not be construed as to the present invention Limitation.

Claims (10)

1. a kind of damper damps force test method, which is characterized in that the test method includes the following steps:
A test platform is arranged in the first step first(70), in test platform(70)Upper setting vibration discharge disk(20), feed mechanism (30), damping force mechanism for testing(40), discharging mechanism(50), sorting mechanism(60), control cabinet(80);In control cabinet(80)Master There is a single chip microcomputer on circuit board(81), the single chip microcomputer(81)It is internally provided with program storage(84), and It includes main program module to load wherein(8410), vibration discharge control program module(8420), feeding control program module (8430), damping force detect program module(8440), discharging control program module(8450), selection control program module (8460);The instruction of each program module is suitable for by processor(82)It loads and executes;
Second step, start detection when, main program module(8410)Operation, and Vibration on Start-up discharge controls program module(8420)Fortune Row, makes vibration discharge disk(20)Outlet continually to feed mechanism(30)The twisting face of conveying(13)Upward damper(1);
Third walks, then, and feeding controls program module(8430)Drive feed mechanism(30)By damper(1)Damping force is sent into survey Test-run a machine structure(40);
4th step, next, damping force detect program module(8440)Drive damping force mechanism for testing(40)Work, by damping force Mechanism for testing(40)In clamp(41)On card slot(42)It is stuck in damper(1)Strip(14)On, axis is tested in then driving (45)Rotate an angle, test suite(44)Rotate therewith respective angles, test suite(44)Drive spring(43)Upper end therewith Rotation, spring(43)Lower end and clamp(41)Connection, due to being tested damper(1)There are damping action, clamp(41)It will not With test suite(44)It rotates synchronously, to postpone a time in-position, damper(1)Belong to level-one in one level temporal arrival to close Lattice belong to two level qualification in the arrival of two level qualified time, are unqualified beyond two level qualified time, detection sensor setting is being surveyed Examination set(44)Interior, damping force detects program module(8440)By the damper(1)Test result be stored in program operation variable Buffer(83)Among;
5th step, then, discharging control program module(8450)Operation drives discharging mechanism(50)Operation, will test Complete damper(1)It send to sorting mechanism(60)Sorting groove(61)Entrance, selection control program module(8460)Operation, root Variable buffer is run according to program(83)The qualified information stored, control primes detect mouth(62), seconds detect mouth (64)Which is opened, or is not opened, and defective work is directly exported to defective work case(66)In.
2. damper according to claim 1 damps force test method, feature is in the described 5th walks out of material control program Module(8450)Operation drives discharging mechanism(50)It is the right clamper of driving when operation(52)The resistance being completed is clamped Buddhist nun's device(1)It is sent to sorting groove(61)Entrance, meanwhile, drive left clamper(51)A damper to be tested is clamped(1)It arrives Up to damper seat(47)Position.
3. damper according to claim 2 damps force test method, feature is in the damper seat(47)It is by hindering Buddhist nun's device seat lifting cylinder(48)Driving, damper seat lifting cylinder(48)Program module is controlled by discharging(8450)Driving, It needs damping force mechanism for testing(40)In clamp(41)Card slot(42)It is stuck in damper(1)Strip(14)When upper, resistance Buddhist nun's device seat lifting cylinder(48)Action, by damper(1)It rises.
4. a kind of damper damps force test device, which is characterized in that the test device includes:
One test platform(70), in test platform(70)On be provided with vibration discharge disk(20), feed mechanism(30), damping force survey Test-run a machine structure(40), discharging mechanism(50), sorting mechanism(60), control cabinet(80);In control cabinet(80)Main circuit board on have one Single chip microcomputer(81), the single chip microcomputer(81)It is internally provided with program storage(84), and packet is loaded wherein Include main program module(8410), vibration discharge control program module(8420), feeding control program module(8430), damping force inspection Survey program module(8440), discharging control program module(8450), selection control program module(8460);Each program mould The instruction of block is suitable for by processor(82)It loads and executes.
5. damper according to claim 4 damps force test device, it is characterised in that:The feed mechanism(30)One section Connect vibration discharge disk(20)Outlet, the other end connect discharging mechanism(50)Left clamper(51).
6. damper according to claim 4 damps force test device, it is characterised in that:The left clamper(51)Have two A operating position, left clamper first position are located at feed mechanism(30)Below, the left clamper second position is located at damper Seat(47)On.
7. damper according to claim 4 damps force test device, it is characterised in that:The damping force mechanism for testing (40)Program module is detected by damping force(8440)Driving, by clamp(41)Card slot(42)It is stuck in damper(1)Strip (14)On, axis is tested in then driving(45)Rotate an angle, test suite(44)Rotate therewith respective angles, test suite(44)Even Connect spring(43)Upper end, spring(43)Lower end and clamp(41)Connection, due to damper(1)There are damping action, clamp (41)It will not be with test suite(44)It rotates synchronously, to postpone a time in-position, be tested damper(1)In one level temporal Arrival belongs to level-one qualification, belongs to two level qualification in the arrival of two level qualified time, is unqualified, detection beyond two level qualified time Sensor is arranged in test suite(44)Inside, damping force detect program module(8440)By the damper(1)Test result deposit Storage runs variable buffer in program(83)Among.
8. damper according to claim 4 damps force test device, it is characterised in that:The discharging mechanism(50)By going out Material control program module(8450)Driving, the damper that will be completed(1)It send to sorting mechanism(60)Sorting groove (61)Entrance, selection control program module(8460)Operation runs variable buffer according to program(83)The qualification stored Information, control primes detect mouth(62), seconds detect mouth(64)Which is opened, or is not opened, and will directly not conformed to Lattice product export to defective work case(66)In.
9. damper according to claim 4 damps force test device, it is characterised in that:The discharging mechanism(50)By going out Material control program module(8450)Driving is driving right clamper(52)The damper being completed is clamped(1)It is sent to point Select slot(61)Entrance while, drive left clamper(51)A damper to be tested is clamped(1)Reach damper seat (47)Position.
10. damper according to claim 4 damps force test device, it is characterised in that:The damper seat(47)By Damper seat lifting cylinder(48)Driving, damper seat lifting cylinder(48)Program module is controlled by discharging(8450)Driving, It needs damping force mechanism for testing(40)In clamp(41)Card slot(42)It is stuck in damper(1)Strip(14)When upper, resistance Buddhist nun's device seat lifting cylinder(48)Action, by damper(1)It rises.
CN201810432101.4A 2018-05-08 2018-05-08 A kind of damper damping force test device and test method Pending CN108318242A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810432101.4A CN108318242A (en) 2018-05-08 2018-05-08 A kind of damper damping force test device and test method

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Application Number Priority Date Filing Date Title
CN201810432101.4A CN108318242A (en) 2018-05-08 2018-05-08 A kind of damper damping force test device and test method

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CN108318242A true CN108318242A (en) 2018-07-24

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101915680A (en) * 2010-08-04 2010-12-15 慈溪市福尔达实业有限公司 Device for testing return time of damper
CN202267561U (en) * 2011-09-24 2012-06-06 芜湖福赛科技有限公司 Damper torsional force detection tool
US20120260725A1 (en) * 2009-08-26 2012-10-18 Joon-Kyu Lee Test Stand Having a Vibration Damper
CN205300916U (en) * 2015-12-29 2016-06-08 深圳市雅维智控科技有限公司 Torque force testing machine
CN106679961A (en) * 2017-01-24 2017-05-17 凯博尔(厦门)自动化科技有限公司 Closestool lid damper testing equipment
CN208270186U (en) * 2018-05-08 2018-12-21 东莞利富高塑料制品有限公司 A kind of damper damping force test device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120260725A1 (en) * 2009-08-26 2012-10-18 Joon-Kyu Lee Test Stand Having a Vibration Damper
CN101915680A (en) * 2010-08-04 2010-12-15 慈溪市福尔达实业有限公司 Device for testing return time of damper
CN202267561U (en) * 2011-09-24 2012-06-06 芜湖福赛科技有限公司 Damper torsional force detection tool
CN205300916U (en) * 2015-12-29 2016-06-08 深圳市雅维智控科技有限公司 Torque force testing machine
CN106679961A (en) * 2017-01-24 2017-05-17 凯博尔(厦门)自动化科技有限公司 Closestool lid damper testing equipment
CN208270186U (en) * 2018-05-08 2018-12-21 东莞利富高塑料制品有限公司 A kind of damper damping force test device

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