CN104655386B - Full-automatic control chair seat impact resistance test device and test method - Google Patents
Full-automatic control chair seat impact resistance test device and test method Download PDFInfo
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- CN104655386B CN104655386B CN201510046083.2A CN201510046083A CN104655386B CN 104655386 B CN104655386 B CN 104655386B CN 201510046083 A CN201510046083 A CN 201510046083A CN 104655386 B CN104655386 B CN 104655386B
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- hammering
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- impact resistance
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Abstract
The invention discloses a full-automatic control chair seat impact resistance test device which comprises a bottom plate, a support bracket, a hammering mechanism and a control cabinet, wherein the control cabinet is used for controlling the hammering mechanism to act; the support bracket comprises two stand columns and a support cross beam which is arranged at the tops of the two stand columns; a plurality of chain wheels are arranged on the lower side of the support cross beam; the hammering mechanism comprises a hammering air cylinder, a balancing weight and a hammering chain; the direction of a piston rod of the hammering air cylinder is upward; one end of the hammering chain is connected with the piston rod of the hammering air cylinder and the other end of the hammering chain bypasses the chain wheels to be connected with the balancing weight; a chair fixing position is arranged on the bottom plate; the position of the chair fixing position corresponds to the position of the balancing weight; a PLC is arranged in the control cabinet; an operation panel is arranged at the top of the control cabinet; the PLC is electrically connected with the hammering air cylinder through an electromagnetic valve. The full-automatic control chair seat impact resistance test device and test method are high in stability in test process and accurate and reliable in test result, and can be used for randomly adjusting the hammering force to be suitable for different models of chairs.
Description
Technical field
The invention belongs to chair quality testing field, more particularly to a kind of Automatic Control seats impact resistance test dress
Put and its method of testing.
Background technology
During normal use, seats can be subject to load and the stamping press of accumulation property to seat, so safety can
The seat for leaning on must can undergo a certain size impulsive force.
But, general lack of special chair back impact resistance test equipment in existing seat manufacturer is generally adopted and is faced
When the test equipment built tested, the test equipment that this kind is built temporarily is typically relatively simpler, so as in test process
Stability and degree of accuracy cannot be ensured, and applicable chair model is also restricted.
The content of the invention
The present invention is in order to solve defect and deficiency present in above-mentioned prior art, there is provided one kind can be used for various models
Chair is tested, and stability is high in test process, the accurate reliable Automatic Control seats impact resistance test of test result
Device and its method of testing.
Technical scheme：A kind of Automatic Control seats impact resistance test device, including base plate and set
The switch board of the supporting support, hammer mechanism and control hammer mechanism action on base plate is put,
The supporting support includes two root posts and the support beam being arranged at the top of two root posts, under the support beam
Side is provided with some sprocket wheels；
The hammer mechanism includes hammering cylinder, counterweight and hammering chain, and the piston rod direction of the hammering cylinder is upward
Arrange；
The piston rod of hammering chain one end connection hammering cylinder, the other end connect counterweight after bypassing some sprocket wheels；
The base plate is provided with chair fixed bit, and the position of the chair fixed bit is corresponding with the position of counterweight；
PLC is provided with the switch board, guidance panel, the PLC and hammering at the top of switch board, is provided with
Cylinder is electrically connected by an electromagnetic valve.
The present invention hammers seats using the combination of hammering cylinder, counterweight and hammering chain so that its test process
Middle stability is high, and test result is accurately reliable；The chair that hammer force is adapted to different model can also be arbitrarily adjusted simultaneously.
Hammering cylinder operating frequency and action frequency can be set in the guidance panel in the present invention, one is only needed by switch,
Test device can automatically begin to be tested so that its test automation degree is higher, and test result is more accurate reliable, its
Detailed process is realized by the PLC in switch board.
Preferably, the hammering cylinder is connected with support beam one end by two support columns, and two support column bottom to lead to
Cross lower fixed disk to be fixed on hammering cylinder, be connected with the top of support beam by a balance fastening block at the top of two support columns.
This kind of structure causes the setting for hammering cylinder more solid and reliable, so as to improve the action stability of hammering cylinder
And reliability.
Preferably, a pressure transducer is provided between two support columns, the pressure transducer is by two upper fixed disks
It is fixed between two support columns, the position of pressure transducer is corresponding with the piston rod part extreme higher position of hammering cylinder.
This kind of structure allows which to monitor the hammer force of hammering cylinder at any time, adjusts hammering cylinder by PLC
Operating frequency adjusting hammer force, so as to be adapted to the chair of different model.
Preferably, buffer spring is provided with the upside of fixed disk, the buffer spring is arranged on the support columns by tight
Gu ring is spacing.
This kind of structure allows to produce a cushion effect when hammering cylinder piston rod top to extreme higher position, can not only protect
Shield hammering cylinder, moreover it is possible to improve the stability of hammering.
Preferably, the sprocket wheel quantity be two, one of them be arranged on support beam one end with hammer cylinder it is corresponding,
Another is arranged on corresponding with counterweight in the middle part of support beam.
This kind of structure causes the motion for hammering chain to be oriented to well so that its hammering is more steady reliable.
Preferably, the hammering chain is hooked by a connection and is connected with counterweight, is provided with one per root post bottom and is vertically arranged
Gripper shoe, the base plate side is provided with a tilt stage.
This kind of structure causes counterweight more solid and reliable with the connection of hammering chain, while so that its overall structure is more firm
Gu it is reliable, also facilitate operator to move chair to be measured to and tested on base plate.
A kind of method of testing of Automatic Control seats impact resistance test device, comprises the steps：
1）First chair to be measured is placed on the chair fixed bit of base plate fixed；
2）The operating frequency and action frequency of hammering cylinder are set on guidance panel；
3）Switch is opened, hammering cylinder is opened, the piston rod ejection of cylinder is hammered, now counterweight loses the drawing of hammering chain
Power, straight line decline hammering on seats to be measured；
4）The piston rod of hammering cylinder withdraws, and now counterweight Rapid reset under the pulling force effect of hammering chain, completes one
Individual circulation.
Preferably, the step 3）With step 4）Middle hammering chain is oriented to by sprocket wheel.
Preferably, the step 2）Middle operating frequency is arranged according to chair model to be measured, and action frequency is more than 10,000 times.
The present invention hammers seats using the combination of hammering cylinder, counterweight and hammering chain so that its test process
Middle stability is high, and test result is accurately reliable；The chair that hammer force is adapted to different model can also be arbitrarily adjusted simultaneously.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the circuit block diagram of the present invention；
In figure, 1. hammer cylinder, 2. support beam, 3. column, 4. hammer chain, 5. sprocket wheel, 6. support column, 7. lower fixed disk,
8. pressure transducer, 9. goes up fixed disk, 10. buffer spring, 11. dead rings, 12. balance fastening blocks, 13. base plates, 14. counterweights
Part, 15. connections are hooked, and 16. piston rods, 17. gripper shoes, 18. tilt stages, 19. switch boards, 20. guidance panels, 21. chairs are solid
Positioning.
Specific embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and examples, but is not to present invention protection model
The restriction enclosed.
As illustrated in fig. 1 and 2, a kind of Automatic Control seats impact resistance test device, including base plate 13 and setting
The switch board of supporting support, hammer mechanism and control hammer mechanism action on base 13,
Supporting support includes two root posts 3 and the support beam 2 being arranged at the top of two root posts 3, sets on the downside of support beam 2
There are two sprocket wheels 5；
Hammer mechanism includes hammering cylinder 1, counterweight 14 and hammering chain 4, and 16 direction of piston rod for hammering cylinder 1 sets upward
Put；
The piston rod 16 of 4 one end of hammering chain connection hammering cylinder 1, the other end bypass connection counterweight after two sprocket wheels 5
14；
Base plate 13 is provided with chair fixed bit 21, and the position of chair fixed bit 21 is corresponding with the position of counterweight 14；
PLC is provided with switch board 19, guidance panel 20, PLC and hammering gas at the top of switch board 19, is provided with
Cylinder 1 is electrically connected by an electromagnetic valve.
Hammering cylinder 1 is connected with 2 one end of support beam by two support columns 6, and two 6 bottoms of support column are by lower fixation
Disk 7 is fixed on hammering cylinder 1, is connected with the top of support beam 2 by a balance fastening block 12 at the top of two support columns 6.
A pressure transducer 8 is provided between two support columns 6, pressure transducer 8 is fixed on two by two upper fixed disks 9
Between root support column 6, the position of pressure transducer 8 is corresponding with the 16 top extreme higher position of piston rod of hammering cylinder 1.
Buffer spring 10 is provided with the upside of upper fixed disk 9, buffer spring 10 is set on support column 6 and is limited by dead ring 11
Position.
One of sprocket wheel be arranged on 2 one end of support beam with hammering cylinder 1 it is corresponding, another sprocket wheel is arranged on support
It is corresponding with counterweight 14 in the middle part of crossbeam 2.
Hammering chain 4 is hooked 15 by a connection and is connected with counterweight 14, is provided with a support being vertically arranged per 3 bottom of root post
Plate 17,13 side of base plate are provided with a tilt stage 18.
A kind of method of testing of Automatic Control seats impact resistance test device, comprises the steps：
1）First chair to be measured is placed on the chair fixed bit of base plate fixed；
2）The operating frequency and action frequency of hammering cylinder are set on guidance panel；
3）Switch is opened, hammering cylinder is opened, the piston rod ejection of cylinder is hammered, now counterweight loses the drawing of hammering chain
Power, straight line decline hammering on seats to be measured；
4）The piston rod of hammering cylinder withdraws, and now counterweight Rapid reset under the pulling force effect of hammering chain, completes one
Individual circulation.
Wherein step 3）With step 4）Middle hammering chain is oriented to by sprocket wheel；Step 2）Middle operating frequency is according to chair-type to be measured
Number arrange, action frequency be more than 10,000 times.
PLC in the present invention and the conventional components that hammering cylinder is market buying, therefore its concrete structure, controlled
Journey and course of action are not carefully stated.
The present invention hammers seats using the combination of hammering cylinder, counterweight and hammering chain so that its test process
Middle stability is high, and test result is accurately reliable；The chair that hammer force is adapted to different model can also be arbitrarily adjusted simultaneously.
Claims (6)
1. a kind of Automatic Control seats impact resistance test device, it is characterised in that：Which includes base plate and is arranged on bottom
The switch board of supporting support, hammer mechanism and control hammer mechanism action on plate,
The supporting support includes two root posts and the support beam being arranged at the top of two root posts, sets on the downside of the support beam
There are some sprocket wheels；
The hammer mechanism includes hammering cylinder, counterweight and hammering chain, and the piston rod direction of the hammering cylinder is arranged upward；
The piston rod of hammering chain one end connection hammering cylinder, the other end connect counterweight after bypassing some sprocket wheels；
The base plate is provided with chair fixed bit, and the position of the chair fixed bit is corresponding with the position of counterweight；
PLC is provided with the switch board, guidance panel, the PLC and hammering cylinder at the top of switch board, is provided with
Electrically connected by an electromagnetic valve；
The hammering cylinder is connected with support beam one end by two support columns, and two support column bottom solid by lower fixed disk
It is scheduled on hammering cylinder, is connected with the top of support beam by a balance fastening block at the top of two support columns；
A pressure transducer is provided between two support columns, the pressure transducer is fixed on two by two upper fixed disks
Between dagger, the position of pressure transducer is corresponding with the piston rod part extreme higher position of hammering cylinder；
The hammering chain is hooked by a connection and is connected with counterweight, is provided with a gripper shoe being vertically arranged, institute per root post bottom
State base plate side and be provided with a tilt stage.
2. a kind of Automatic Control seats impact resistance test device according to claim 1, it is characterised in that：It is described
Buffer spring is provided with the upside of upper fixed disk, the buffer spring is arranged spacing by dead ring on the support columns.
3. a kind of Automatic Control seats impact resistance test device according to claim 1, it is characterised in that：It is described
Sprocket wheel quantity is two, and one of them is arranged on, and support beam one end is corresponding with hammering cylinder, and it is horizontal that another is arranged on support
It is corresponding with counterweight in the middle part of beam.
4. the method for testing of a kind of Automatic Control seats impact resistance test device according to claim 2, which is special
Levy and be：Which comprises the steps：
1）First chair to be measured is placed on the chair fixed bit of base plate fixed；
2）The operating frequency and action frequency of hammering cylinder are set on guidance panel；
3）Switch is opened, hammering cylinder is opened, the piston rod ejection of cylinder is hammered, now counterweight loses the pulling force of hammering chain,
Straight line declines hammering on seats to be measured；
4）The piston rod of hammering cylinder withdraws, and now counterweight Rapid reset under the pulling force effect of hammering chain, completes one and follow
Ring.
5. the method for testing of a kind of Automatic Control seats impact resistance test device according to claim 4, which is special
Levy and be：The step 3）With step 4）Middle hammering chain is oriented to by sprocket wheel.
6. the method for testing of a kind of Automatic Control seats impact resistance test device according to claim 4, which is special
Levy and be：The step 2）Middle operating frequency is arranged according to chair model to be measured, and action frequency is more than 10,000 times.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510046083.2A CN104655386B (en) | 2015-01-29 | 2015-01-29 | Full-automatic control chair seat impact resistance test device and test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510046083.2A CN104655386B (en) | 2015-01-29 | 2015-01-29 | Full-automatic control chair seat impact resistance test device and test method |
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| CN104655386A CN104655386A (en) | 2015-05-27 |
| CN104655386B true CN104655386B (en) | 2017-05-03 |
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| CN201510046083.2A Active CN104655386B (en) | 2015-01-29 | 2015-01-29 | Full-automatic control chair seat impact resistance test device and test method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067217B (en) * | 2015-09-02 | 2017-12-19 | 安徽合力股份有限公司 | A kind of mechanical device of parts repeated impact test |
| CN108088662B (en) * | 2016-11-21 | 2024-02-02 | 震旦（中国）有限公司 | Multi-functional swivel chair durability testing arrangement |
| CN106950025B (en) * | 2017-03-30 | 2023-04-11 | 上海健康医学院 | Detection apparatus for wheelchair falls fatigue degree |
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|---|---|---|---|---|
| FR2672682A1 (en) * | 1991-02-13 | 1992-08-14 | Couval Sa | DEVICE FOR REALIZING RESISTANCE, FATIGUE AND SHOCK TESTS. |
| CN101413842A (en) * | 2008-11-28 | 2009-04-22 | 陶泽成 | Impact testing machine of treadmill |
| CN202433169U (en) * | 2011-12-30 | 2012-09-12 | 广州爱奇实业有限公司 | Test device with vertical impact resistance capability for seat |
| CN103292974A (en) * | 2013-05-24 | 2013-09-11 | 上海市质量监督检验技术研究院 | Static load, stability and impact testing machine for chairs, cabinets, tables, beds and screens |
| CN203658000U (en) * | 2013-10-01 | 2014-06-18 | 河北宝硕管材有限公司 | High-speed impact test device |
| CN204405285U (en) * | 2015-01-29 | 2015-06-17 | 嘉瑞福(浙江)家具有限公司 | The shock-resistant proving installation of a kind of Automatic Control seats |
-
2015
- 2015-01-29 CN CN201510046083.2A patent/CN104655386B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2672682A1 (en) * | 1991-02-13 | 1992-08-14 | Couval Sa | DEVICE FOR REALIZING RESISTANCE, FATIGUE AND SHOCK TESTS. |
| CN101413842A (en) * | 2008-11-28 | 2009-04-22 | 陶泽成 | Impact testing machine of treadmill |
| CN202433169U (en) * | 2011-12-30 | 2012-09-12 | 广州爱奇实业有限公司 | Test device with vertical impact resistance capability for seat |
| CN103292974A (en) * | 2013-05-24 | 2013-09-11 | 上海市质量监督检验技术研究院 | Static load, stability and impact testing machine for chairs, cabinets, tables, beds and screens |
| CN203658000U (en) * | 2013-10-01 | 2014-06-18 | 河北宝硕管材有限公司 | High-speed impact test device |
| CN204405285U (en) * | 2015-01-29 | 2015-06-17 | 嘉瑞福(浙江)家具有限公司 | The shock-resistant proving installation of a kind of Automatic Control seats |
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Denomination of invention: Full automatic control chair seat impact test device and its test method Effective date of registration: 20210528 Granted publication date: 20170503 Pledgee: Development Zone sub branch of Zhejiang Anji Rural Commercial Bank Co., Ltd Pledgor: GLOBAL FURNITURE (ZHEJIANG) Co.,Ltd. Registration number: Y2021330000485 |
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