CN107290120A - A kind of bunk beds Mechanics Performance Testing equipment - Google Patents
A kind of bunk beds Mechanics Performance Testing equipment Download PDFInfo
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- CN107290120A CN107290120A CN201710601217.1A CN201710601217A CN107290120A CN 107290120 A CN107290120 A CN 107290120A CN 201710601217 A CN201710601217 A CN 201710601217A CN 107290120 A CN107290120 A CN 107290120A
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- 238000012360 testing method Methods 0.000 title claims abstract description 165
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000853 adhesive Substances 0.000 claims description 17
- 230000001070 adhesive effect Effects 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001133 acceleration Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011076 safety test Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
Abstract
A kind of bunk beds Mechanics Performance Testing equipment of the present invention, including base, support frame, the first carriage, the second carriage, the 3rd carriage, the first test device, the second test device and some 3rd test devices；Support frame as described above is fixed on the base, in tetragonal body structure, including the column and horizontally disposed crossbeam being vertically arranged, the crossbeam includes the short side and two long sides just to setting two just to setting, and first carriage is arranged on the long side；Second carriage is arranged on first carriage；3rd carriage is arranged on second carriage；First test device is arranged in the 3rd carriage close to one end of the base；Second test device is arranged on the base；3rd test device is arranged at the surrounding of support frame as described above.A kind of bunk beds Mechanics Performance Testing equipment of the present invention is easy to use, and good test effect.
Description
Technical field
The present invention relates to furniture technical field of measurement and test, especially a kind of bunk beds Mechanics Performance Testing equipment.
Background technology
What is used in current most of armies, school, staff quarters is all the high sunken bed of up-down structure, this bunk beds energy
It is enough greatly to save floor space, in limited space, more people are accommodated, even many families there are multiple children
Bunk beds can be selected as the bed of child.Safety test standard yet with bunk beds just came into effect in 2010, institute
With test equipment on the market not specifically designed for bunk beds, come thick simply by furniture mechanics properties testing comprehensive test machine
Slightly detect a part of standard of bunk beds, can not complete detection go out the mechanical properties of bunk beds.
The content of the invention
In view of the technical problem present in background technology, it is an object of the invention to overcome the shortcoming of prior art there is provided
A kind of bunk beds Mechanics Performance Testing equipment easy to use, good test effect.
In order to solve the above technical problems, present invention employs following technical measures：
A kind of bunk beds Mechanics Performance Testing equipment, including base, support frame, the first carriage, the second carriage,
3rd carriage, the first test device, the second test device and some 3rd test devices；Support frame as described above is fixed on described
On base, in tetragonal body structure, including the column and horizontally disposed crossbeam being vertically arranged, the crossbeam is including two
Just to the first short side of setting and two long sides just to setting, first carriage is arranged on the long side；It is described
Second carriage is arranged on first carriage；3rd carriage is arranged at second carriage
On；First test device is arranged in the 3rd carriage close to one end of the base；The first test dress
Put including the first cylinder set gradually from top to bottom, adapter sleeve and the first test hammer, the adapter sleeve side is provided with rectangle and led to
Hole so that the adapter sleeve vertically on cross section be in Back Word shape；Set gradually from top to bottom in the rectangular through-hole
Have upper adhesive plate, electromagnet and a lower adhesive plate, the piston rod of first cylinder through the upper end of the adapter sleeve with it is described on
Adhesive plate is fixedly connected, and the lower adhesive plate is fixedly connected through the lower end of the adapter sleeve with the described first test hammer；It is described
Second test device is arranged on the base, the upper bed column intensity for detecting bunk beds；3rd test device
Be arranged at the surrounding of support frame as described above, for applying thrust to bunk beds side, the double-deck bed frame of detection and fastener it is durable
Property.
As further improved, the first test hammer includes test bench, the first cushion and described in several are connected to
It is socketed with head rod between test bench and first cushion, the head rod and the head rod phase
The spring of adaptation, for reducing the vibration caused in shock-testing to first detection means.
As further improved, the specified coefficient of elasticity of the spring is (5.9 ± 1) N/mm, the compression of the spring
Total amount is no less than 60mm；The initial compression force of the spring is (1040 ± 5) N.
As further improved, second test device includes the first slide rail, the first pillar and the second test cell；
First slide rail is arranged on the base along the long side direction, first pillar by first slide rail with it is described
Base is slidably connected；Second test cell is arranged on first pillar, including the second connecting rod and the second test hammer,
The second test hammer is arranged in second connecting rod；The second test hammer includes the second cylinder and the second cushion, institute
State the second cylinder vertically to set upward, second cushion is fixedly connected with the piston rod of second cylinder, described
The first guide rod is provided with second cylinder, the direction of motion for fixing second cylinder.
As further improved, the 3rd test device includes the second pillar and the 3rd test cell；Described second
Pillar is arranged on the base, and the 3rd test cell is arranged on second pillar, including the 3rd cylinder and the 3rd
Test hammer, the 3rd cylinder is set towards support frame as described above, and the 3rd test hammer passes through tumbler and the 3rd cylinder
Piston rod be connected, it is described 3rd test hammer be provided with pressure sensor.
As further improved, the 3rd test device quantity is 4, and two the 3rd test devices are symmetrically set
It is placed in by the long side, and the distance of the short side apart from side is 50mm；The 3rd test device is symmetricly set in described in another two
By the short side, and the distance on the long side apart from side is 50mm.
As further improved, first carriage includes the first motor and the first screw mandrel, described first
Motor minimal torque TminMeet：Tmin≥Tf+TA
In formula：TfTo overcome the moment of torsion required for frictional force；TARequired moment of torsion during to accelerate.
As further improved, the 3rd test device first controls first test device to double in test
Layer bed upper strata bed surface center applies the load force of predefined size, and then the 3rd test device is in turn to the bunk beds
Apply the load force of predefined size.
As the 3rd further improved, described test device test when, first control first test device to
Bunk beds upper strata bed surface center applies the load force of predefined size, is then arranged at the 3rd test by the long side
Device and the 3rd test device being arranged at by the short side apply the load force of predefined size to the bunk beds in turn.
Compared with prior art, the present invention has advantages below：
1st, using the first carriage, the second carriage and the in a kind of bunk beds Mechanics Performance Testing equipment of the invention
Three carriages carry out the position adjustments of the first test device, can realize the three-dimensional regulation of the first test device, energy when using
Different outward appearances and different size of bunk beds are enough adapted to, it is easy to use.
2nd, the structure design of the first test device is used in a kind of bunk beds Mechanics Performance Testing equipment of the invention, is being applied
After constant pressure test, impulsive force test, user can be carried out under conditions of it need not move whole first test device
Just, it is simple in construction.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural representation of bunk beds Mechanics Performance Testing equipment of the invention.
Accompanying drawing 2 is a kind of structure schematic top plan view of bunk beds Mechanics Performance Testing equipment of the invention.
Accompanying drawing 3 be a kind of the first carriage of bunk beds Mechanics Performance Testing equipment of the invention, the second carriage and
The assembling schematic diagram of 3rd carriage.
Accompanying drawing 4 is a kind of the first test device structural representation of bunk beds Mechanics Performance Testing equipment of the invention.
Accompanying drawing 5 is a kind of the second test device structural representation of bunk beds Mechanics Performance Testing equipment of the invention.
Accompanying drawing 6 is a kind of the 3rd test device structural representation of bunk beds Mechanics Performance Testing equipment of the invention.
Embodiment
To make the purpose, technical scheme and advantage of embodiment of the present invention clearer, below in conjunction with present invention implementation
Accompanying drawing in mode, the technical scheme in embodiment of the present invention is clearly and completely described, it is clear that described reality
The mode of applying is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
The every other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to the present invention
The scope of protection.Therefore, the detailed description of embodiments of the present invention below to providing in the accompanying drawings, which is not intended to limit, wants
The scope of the present invention of protection is sought, but is merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, belongs to this
Invent the scope of protection.
In the description of the invention, it is to be understood that the orientation or position relationship of the instruction such as term " on ", " under " are base
In orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or imply
Signified equipment or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings：
It refer in Fig. 1-3, embodiment, a kind of bunk beds Mechanics Performance Testing equipment, including base 100, support frame
200th, the first carriage 300, the second carriage 400, the 3rd carriage 500, the test of the first test device 600, second
Device 700 and some 3rd test devices 800；Support frame as described above 200 is fixed on the base 100, in tetragonal body structure, bag
Include the column and horizontally disposed crossbeam being vertically arranged, the crossbeam is including two short sides just to setting and two just
To the long side of setting, first carriage 300 is arranged on the long side；First carriage 300 includes first
The screw mandrel 320 of motor 310 and first, the minimal torque T of the first motor 310minMeet：Tmin≥Tf+TA
In formula：TfTo overcome the moment of torsion required for frictional force；TARequired moment of torsion during to accelerate.
The TfMeet：
In formula：M is load weight；G is acceleration of gravity；μ is coefficient of friction；PBFor the helical pitch of first screw mandrel；η is
Mechanical efficiency.
The TAMeet：
In formula：JBFor the load inertia of first screw mandrel；α is the angular acceleration of first screw mandrel.By calculating
Go out, the torque range for selecting first motor 310 is 0.32Nm~47.74Nm, velocity interval 1000r/min~
3000r/min.First motor can preferably drive the first carriage 300.
Be fixedly installed movable plate 330 on clutch shaft bearing on first screw mandrel 320, the length of movable plate 330 from
Side it is long while extend to opposite side it is long while, for setting second carriage 400, long side described in both sides is provided with mutually flat
The second capable slide rail 340, second slide rail 340 passes through the sliding block that is adapted with second slide rail 340 and the movable plate
330 connections.
The middle part of movable plate 330 is provided with rectangular through-hole so that the overall movable plate 330 is in Back Word shape, the movement
The short side direction is provided with second carriage 400 on plate 330, second carriage 400 includes second and driven
Second bearing on the dynamic screw mandrel 420 of motor 410 and second, second screw mandrel 420 is fixedly connected with fixed plate 430, for putting
Put the 3rd carriage 500；The fixed plate 430 extends to opposite side from the side of the second carriage 400, described
The side away from second carriage 400 is provided with threeth cunning parallel with second screw mandrel 420 on movable plate 330
Rail 331, the 3rd slide rail 331 is connected by the sliding block being adapted with the 3rd slide rail 331 with the fixed plate 430.Institute
State the 3rd carriage 500 to be arranged in the fixed plate 430, the 3rd carriage 500 includes turbine lift and the
Three screw mandrels；
It refer in Fig. 4, embodiment, first test device 600 is arranged at close in the 3rd carriage 500
One end of the base 100；First test device 600 includes the first cylinder 610, the adapter sleeve set gradually from top to bottom
620 and first test hammer 630, and the side of adapter sleeve 620 is provided with rectangular through-hole so that the adapter sleeve 620 is vertically
On cross section be in Back Word shape；Be disposed with from top to bottom in the rectangular through-hole adhesive plate 621, electromagnet 622 and under
Adhesive plate 623, the upper end of piston rod through the adapter sleeve 620 of first cylinder 610 is fixed with the upper adhesive plate 621
Connection, the lower adhesive plate 623 is fixedly connected through the lower end of the adapter sleeve 620 with the described first test hammer 630.
It is described first test hammer 630 include test bench 631, the first cushion 633 and several be connected to the test bench 631
It is socketed with and is connected with described first on head rod 632 between first cushion 633, the head rod 632
The spring 634 that bar 632 is adapted, for reducing the vibration caused in shock-testing to first detection means.The bullet
The specified coefficient of elasticity of spring 634 is (5.9 ± 1) N/mm, and the compression total amount of the spring 634 is no less than 60mm；The spring 634
Initial compression force be (1040 ± 5) N.By selecting the spring 634, in shock-testing, the spring 634 can rise
To best cushioning effect.
First test device 600 controls the 3rd carriage 500 to drive described first when being tested, first
Test device 600 is moved downward, and the load force for applying predefined size to bunk beds upper strata bed surface carries out constant pressure test, is being carried out
When impulsive force is tested, the electromagnet 622 is powered, the upper adhesive plate 621 and the lower adhesive of adhesive plate 623, described
First cylinder 610 control piston rod drives the first test hammer 630 to rise, after the height for reaching requirement, the electromagnet
622 dead electricity, the upper adhesive plate 621 is separated with the lower adhesive plate 623, and the first test hammer 630 does the movement of falling object,
Bunk beds upper bed bed surface center is impacted.
It refer in Fig. 5, embodiment, second test device 700 is arranged on the base 100, it is double for detecting
The upper bed column intensity of layer bed；Second test device 700 includes the first slide rail 710, the first pillar 720 and the second test
Unit 730；First slide rail 710 is arranged on the base 100 along the long side direction, and first pillar 720 passes through
First slide rail 710 is slidably connected with the base 710；Second test cell 730 is arranged at first pillar 720
On, including the second connecting rod 731 and the second test hammer, described second, which tests hammer, is arranged in second connecting rod 731；It is described
Second test hammer includes the second cylinder 734 and the second cushion 732, and second cylinder 734 is vertically set upward, described
Second cushion 732 is fixedly connected with the piston rod of second cylinder 734, and the first guide rod is provided with second cylinder 734
733, the direction of motion for fixing second cylinder 734, it is to avoid in the case of multiple test, second cylinder 734
Piston rod direction shift, cause the inaccurate of testing result.
It refer in Fig. 6, embodiment, the 3rd test device 800 includes the second pillar 810 and the 3rd test cell
820；Second pillar 810 is arranged on the base 100, and the 3rd test cell 820 is arranged at second pillar
On 810, including the 3rd cylinder 821 and the 3rd test hammer 823, the 3rd cylinder 821 is set towards support frame as described above 200, institute
State the 3rd test hammer 823 by tumbler 824 with the piston rod of the 3rd cylinder 821 to be connected, on the 3rd cylinder 821
The second guide rod 822 is provided with, the direction of motion for fixing the 3rd cylinder 821.The 3rd test hammer 823 is provided with pressure
Force snesor 825.The measurement range of the pressure sensor 825 can arbitrarily be set in 0-250kg or 0-500kg, its resolution
Rate is 1/10000, and the dynamometry precision of the pressure sensor 825 is ± 1%, the pressure sensor 825 in a static condition
Dynamometry precision in a dynamic condition be 0-5% (dynamic), pressure feedback during detection can be made more accurate.
The quantity of 3rd test device 800 is 4, and two the 3rd test devices 800 are symmetricly set in the length
By side, and the distance of the short side apart from side is 50mm；The 3rd test device 800 is symmetricly set in the short side described in another two
Side, and the distance on the long side apart from side is 50mm.
Two kinds of method of testings, one may be selected in test in 3rd test device 800：Described first is first controlled to survey
600 load forces for applying predefined size to bunk beds upper strata bed surface center are put in trial assembly, then the 3rd test device 800
Apply the load force of predefined size to the bunk beds in turn.Secondly：First test device 600 is first controlled on bunk beds
Layer bed surface center applies the load force of predefined size, is then arranged at the 3rd test device 800 by the long side
Apply the load force of predefined size to the bunk beds in turn with the 3rd test device 800 being arranged at by the short side.
By the method for testing, the durability of double-deck bed frame and fastener more preferably can be more fully detected, makes testing result more
Plus it is accurate.
By the asymmetric setting of the 3rd test device 800, the flimsy position of bunk beds can be detected, not only
Preferably test effect can be reached, in the assembling process of bunk beds to be detected, can also make assembling quicker, it is not necessary to
Adjust the position of the 3rd test device 800.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.
Claims (9)
1. a kind of bunk beds Mechanics Performance Testing equipment, it is characterised in that：Including base, support frame, the first carriage, second
Carriage, the 3rd carriage, the first test device, the second test device and some 3rd test devices；Support frame as described above
It is fixed on the base, in tetragonal body structure, including the column and horizontally disposed crossbeam being vertically arranged, the horizontal stroke
Beam includes the short side and two long sides just to setting two just to setting, and first carriage is arranged at the long side
On；Second carriage is arranged on first carriage；3rd carriage is arranged at described second and slided
On dynamic device；First test device is arranged in the 3rd carriage close to one end of the base；Described first
Test device includes the first cylinder, adapter sleeve and the first test hammer set gradually from top to bottom, and the adapter sleeve side is provided with
Rectangular through-hole so that the adapter sleeve vertically on cross section be in Back Word shape；In the rectangular through-hole from top to bottom according to
It is secondary to be provided with adhesive plate, electromagnet and lower adhesive plate, the piston rod of first cylinder through the upper end of the adapter sleeve with
The upper adhesive plate is fixedly connected, and the lower adhesive plate is fixed through the lower end of the adapter sleeve with the described first test hammer to be connected
Connect；Second test device is arranged on the base, the upper bed column intensity for detecting bunk beds；Described 3rd surveys
Trial assembly installs the surrounding for being placed in support frame as described above, for applying thrust, the double-deck bed frame of detection and fastener to bunk beds side
Durability.
2. test equipment according to claim 1, it is characterised in that the first test hammer includes test bench, first soft
Pad and several be connected on head rod between the test bench and first cushion, the head rod and be socketed
There is the spring being adapted with the head rod, for reducing in shock-testing to shaking that first detection means is caused
It is dynamic.
3. test equipment according to claim 2, it is characterised in that the specified coefficient of elasticity of the spring is (5.9 ± 1)
N/mm, the compression total amount of the spring is no less than 60mm；The initial compression force of the spring is (1040 ± 5) N.
4. test equipment according to claim 1, it is characterised in that second test device includes the first slide rail, the
One pillar and the second test cell；First slide rail is arranged on the base along the long side direction, first pillar
It is slidably connected by first slide rail and the base；Second test cell is arranged on first pillar, including
Second connecting rod and the second test hammer, the second test hammer are arranged in second connecting rod；The second test hammer bag
The second cylinder and the second cushion are included, second cylinder is vertically set upward, second cushion and second gas
The piston rod of cylinder is fixedly connected, and the first guide rod is provided with second cylinder, the motion side for fixing second cylinder
To.
5. test equipment according to claim 1, it is characterised in that the 3rd test device includes the second pillar and the
Three test cells；Second pillar is arranged on the base, and the 3rd test cell is arranged on second pillar,
Including the 3rd cylinder and the 3rd test hammer, the 3rd cylinder is set towards support frame as described above, and the 3rd test hammer is by turning
It is connected to part with the piston rod of the 3rd cylinder, the 3rd test hammer is provided with pressure sensor.
6. test equipment according to claim 5, it is characterised in that the 3rd test device quantity is 4, two institutes
The 3rd test device is stated to be symmetricly set in by the long side, and the distance of the short side apart from side is 50mm；Described in another two
Three test devices are symmetricly set in by the short side, and the distance on the long side apart from side is 50mm.
7. test equipment according to claim 1, it is characterised in that first carriage includes the first motor
With the first screw mandrel, the first motor minimal torque TminMeet：Tmin≥Tf+TA
In formula：TfTo overcome the moment of torsion required for frictional force；TARequired moment of torsion during to accelerate.
8. test equipment according to claim 6, it is characterised in that the 3rd test device is first controlled in test
First test device applies the load force of predefined size to bunk beds upper strata bed surface center, then the 3rd test
Device applies the load force of predefined size to the bunk beds in turn.
9. test equipment according to claim 6, it is characterised in that the 3rd described test device is first controlled in test
The load force that first test device applies predefined size to bunk beds upper strata bed surface center is made, is then arranged at described
The 3rd test device by long side is with the 3rd test device being arranged at by the short side in turn to the bunk beds
Apply the load force of predefined size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601217.1A CN107290120B (en) | 2017-07-21 | 2017-07-21 | Double-deck bed mechanical properties test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601217.1A CN107290120B (en) | 2017-07-21 | 2017-07-21 | Double-deck bed mechanical properties test equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107290120A true CN107290120A (en) | 2017-10-24 |
| CN107290120B CN107290120B (en) | 2023-12-12 |
Family
ID=60102014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710601217.1A Active CN107290120B (en) | 2017-07-21 | 2017-07-21 | Double-deck bed mechanical properties test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107290120B (en) |
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|---|---|---|---|---|
| CN201993280U (en) * | 2011-02-10 | 2011-09-28 | 杭州炬日电器有限公司 | Integral furniture testing equipment |
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| CN104569642A (en) * | 2013-10-22 | 2015-04-29 | 鸿富锦精密电子(天津)有限公司 | electrostatic discharge immunity testing device |
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2017
- 2017-07-21 CN CN201710601217.1A patent/CN107290120B/en active Active
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|---|---|---|---|---|
| CN201993280U (en) * | 2011-02-10 | 2011-09-28 | 杭州炬日电器有限公司 | Integral furniture testing equipment |
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| Publication number | Publication date |
|---|---|
| CN107290120B (en) | 2023-12-12 |
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