CN104655386A - 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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- CN104655386A CN104655386A CN201510046083.2A CN201510046083A CN104655386A CN 104655386 A CN104655386 A CN 104655386A CN 201510046083 A CN201510046083 A CN 201510046083A CN 104655386 A CN104655386 A CN 104655386A
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- hammering
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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, particularly relate to the shock-resistant proving installation of a kind of Automatic Control seats and method of testing thereof.
Background technology
Seat is in normal use procedure, and seats can be subject to load and the stamping press of accumulation property, so safe and reliable seat must can stand a certain size impulsive force.
But, the chair back impact resistance testing apparatus that in existing seat manufacturer, general shortage is special, the testing apparatus that usual employing is built temporarily is tested, the testing apparatus that this kind is built temporarily is general simpler and easy, thus stability and degree of accuracy can not get ensureing in test process, and applicable chair model is also restricted.
Summary of the invention
The present invention is in order to solve the defect and deficiency that exist in above-mentioned prior art, provide one and can be used for the test of various model chair, and stability is high in test process, test result is the reliable shock-resistant proving installation of Automatic Control seats and method of testing thereof accurately.
Technical scheme of the present invention: the shock-resistant proving installation of a kind of Automatic Control seats, comprises base plate and is arranged on the switch board of supporting bracket on base plate, hammer mechanism and the action of control hammer mechanism,
Described supporting bracket comprises two root posts and is arranged on the supporting traverse at two root post tops, is provided with some sprocket wheels on the downside of described supporting traverse;
Described hammer mechanism comprises hammering cylinder, counterweight and hammering chain, and the piston rod of described hammering cylinder is directed upwardly setting;
Described hammering chain one end connects the piston rod of hammering cylinder, and the other end connects counterweight after walking around some sprocket wheels;
Described base plate is provided with chair fixed bit, and the position of described chair fixed bit is corresponding with the position of counterweight;
Be provided with PLC in described switch board, switch board top is provided with guidance panel, and described PLC is electrically connected by a solenoid valve with hammering cylinder.
The present invention adopts the combination of hammering cylinder, counterweight and hammering chain to carry out hammering seats, and make stability in its test process high, test result is accurately reliable; Can also arbitrarily regulate hammer force to be applicable to the chair of different model simultaneously.
In guidance panel in the present invention, hammering cylinder operating frequency and action frequency can be set, one is only needed to press switch, namely proving installation can start to test automatically, make its test automation degree higher, test result is more accurately reliable, and its detailed process is realized by the PLC in switch board.
Preferably, described hammering cylinder is connected with supporting traverse one end by two support columns, is fixed on hammering cylinder bottom two support columns by lower fixed disk, and two support column tops are connected with supporting traverse top by a balance fastening block.
This kind of structure makes the setting of hammering cylinder more solid and reliable, thus improves action stability and the reliability of hammering cylinder.
Preferably, be provided with a pressure transducer between two support columns, described pressure transducer is fixed between two support columns by two upper shaft collars, and the position of pressure transducer is corresponding with the piston rod part extreme higher position of hammering cylinder.
This kind of structure makes it can monitor the hammer force of hammering cylinder at any time, regulates the frequency of operation of hammering cylinder to regulate hammer force, thus be applicable to the chair of different model by PLC.
Preferably, fixed dish upside is provided with buffer spring, and described buffer spring is sheathed spacing by dead ring on the support columns.
This kind of structure makes hammering cylinder piston masthead to producing a cushion effect during extreme higher position, can not only protect hammering cylinder, can also improve the stability of hammering.
Preferably, described sprocket wheel quantity is two, and it is corresponding with hammering cylinder that one of them is arranged on supporting traverse one end, and another is arranged in the middle part of supporting traverse corresponding with counterweight.
This kind of structure makes the motion of hammering chain well be led, and makes its hammering more steadily reliable.
Preferably, described hammering chain connects to hook by one and is connected with counterweight, and every root post bottom is provided with a back up pad vertically arranged, and described base plate side is provided with a tilt stage.
This kind of structure makes the connection of counterweight and hammering chain more solid and reliable, makes its one-piece construction more solid and reliable simultaneously, and chair to be measured is moved on base plate and tested by the person that goes back handled easily.
A method of testing for the shock-resistant proving installation of Automatic Control seats, comprises the steps:
1) fixing on the chair fixed bit first chair to be measured being placed on base plate;
2) on guidance panel, set operating frequency and the action frequency of hammering cylinder;
3) open switch, open hammering cylinder, the piston rod of hammering cylinder ejects, and now counterweight loses the pulling force of hammering chain, and straight line decline hammering is on seats to be measured;
4) piston rod of hammering cylinder is regained, and now counterweight Rapid reset under the pulling force effect of hammering chain, completes a circulation.
Preferably, in described step 3) and step 4), hammering chain is led by sprocket wheel.
Preferably, described step 2) in operating frequency arrange according to chair model to be measured, action frequency is greater than 10,000 times.
The present invention adopts the combination of hammering cylinder, counterweight and hammering chain to carry out hammering seats, and make stability in its test process high, test result is accurately reliable; Can also arbitrarily regulate hammer force to be applicable to the chair of different model simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is circuit block diagram of the present invention;
1. hammering cylinder, 2. supporting traverse, 3. columns, 4. hammering chain in figure, 5. sprocket wheel, 6. support column, 7. lower fixed disk, 8. pressure transducer, 9. go up shaft collar, 10. buffer spring, 11. dead rings, 12. balance fastening blocks, 13. base plates, 14. counterweights, 15. connect hook, 16. piston rods, 17. back up pads, 18. tilt stages, 19. switch boards, 20. guidance panels, 21. chair fixed bits.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further detailed explanation, but be not limiting the scope of the invention.
As illustrated in fig. 1 and 2, the shock-resistant proving installation of a kind of Automatic Control seats, comprises base plate 13 and arranges the switch board of supporting bracket on base 13, hammer mechanism and the action of control hammer mechanism,
Supporting bracket comprises two root posts 3 and is arranged on the supporting traverse 2 at two root post 3 tops, is provided with two sprocket wheels 5 on the downside of supporting traverse 2;
Hammer mechanism comprises hammering cylinder 1, counterweight 14 and hammering chain 4, and the piston rod 16 of hammering cylinder 1 is directed upwardly setting;
Hammering chain 4 one end connects the piston rod 16 of hammering cylinder 1, and the other end connects counterweight 14 after walking around two sprocket wheels 5;
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;
Be provided with PLC in switch board 19, switch board 19 top is provided with guidance panel 20, and PLC is electrically connected by a solenoid valve with hammering cylinder 1.
Hammering cylinder 1 is connected with supporting traverse 2 one end by two support columns 6, is fixed on hammering cylinder 1 bottom two support columns 6 by lower fixed disk 7, and two support column 6 tops are connected with supporting traverse 2 top by a balance fastening block 12.
Be provided with a pressure transducer 8 between two support columns 6, pressure transducer 8 is fixed between two support columns 6 by two upper shaft collars 9, and the position of pressure transducer 8 is corresponding with the extreme higher position, piston rod 16 top of hammering cylinder 1.
Be provided with buffer spring 10 on the upside of upper shaft collar 9, buffer spring 10 is set on support column 6 spacing by dead ring 11.
It is corresponding with hammering cylinder 1 that one of them sprocket wheel is arranged on supporting traverse 2 one end, and another sprocket wheel is arranged in the middle part of supporting traverse 2 corresponding with counterweight 14.
Hammering chain 4 connects hook 15 by one and is connected with counterweight 14, and every root post 3 bottom is provided with a back up pad 17 vertically arranged, and base plate 13 side is provided with a tilt stage 18.
A method of testing for the shock-resistant proving installation of Automatic Control seats, comprises the steps:
1) fixing on the chair fixed bit first chair to be measured being placed on base plate;
2) on guidance panel, set operating frequency and the action frequency of hammering cylinder;
3) open switch, open hammering cylinder, the piston rod of hammering cylinder ejects, and now counterweight loses the pulling force of hammering chain, and straight line decline hammering is on seats to be measured;
4) piston rod of hammering cylinder is regained, and now counterweight Rapid reset under the pulling force effect of hammering chain, completes a circulation.
Wherein in step 3) and step 4), hammering chain is led by sprocket wheel; Step 2) in operating frequency arrange according to chair model to be measured, action frequency is greater than 10,000 times.
PLC in the present invention and hammering cylinder are the conventional components of market buying, therefore its concrete structure, control procedure and course of action are not all carefully stated.
The present invention adopts the combination of hammering cylinder, counterweight and hammering chain to carry out hammering seats, and make stability in its test process high, test result is accurately reliable; Can also arbitrarily regulate hammer force to be applicable to the chair of different model simultaneously.
Claims (9)
1. the shock-resistant proving installation of Automatic Control seats, is characterized in that: it comprises base plate and is arranged on the switch board of supporting bracket on base plate, hammer mechanism and the action of control hammer mechanism,
Described supporting bracket comprises two root posts and is arranged on the supporting traverse at two root post tops, is provided with some sprocket wheels on the downside of described supporting traverse;
Described hammer mechanism comprises hammering cylinder, counterweight and hammering chain, and the piston rod of described hammering cylinder is directed upwardly setting;
Described hammering chain one end connects the piston rod of hammering cylinder, and the other end connects counterweight after walking around some sprocket wheels;
Described base plate is provided with chair fixed bit, and the position of described chair fixed bit is corresponding with the position of counterweight;
Be provided with PLC in described switch board, switch board top is provided with guidance panel, and described PLC is electrically connected by a solenoid valve with hammering cylinder.
2. the shock-resistant proving installation of a kind of Automatic Control seats according to claim 1, it is characterized in that: described hammering cylinder is connected with supporting traverse one end by two support columns, be fixed on hammering cylinder by lower fixed disk bottom two support columns, two support column tops are connected with supporting traverse top by a balance fastening block.
3. the shock-resistant proving installation of a kind of Automatic Control seats according to claim 2, it is characterized in that: between two support columns, be provided with a pressure transducer, described pressure transducer is fixed between two support columns by two upper shaft collars, and the position of pressure transducer is corresponding with the piston rod part extreme higher position of hammering cylinder.
4. the shock-resistant proving installation of a kind of Automatic Control seats according to claim 3, is characterized in that: fixed dish upside is provided with buffer spring, and described buffer spring is sheathed spacing by dead ring on the support columns.
5. the shock-resistant proving installation of a kind of Automatic Control seats according to claim 1, it is characterized in that: described sprocket wheel quantity is two, it is corresponding with hammering cylinder that one of them is arranged on supporting traverse one end, and another is arranged in the middle part of supporting traverse corresponding with counterweight.
6. the shock-resistant proving installation of a kind of Automatic Control seats according to claim 1, it is characterized in that: described hammering chain connects to hook by one and is connected with counterweight, every root post bottom is provided with a back up pad vertically arranged, and described base plate side is provided with a tilt stage.
7. the method for testing of the shock-resistant proving installation of a kind of Automatic Control seats according to claim 4, is characterized in that: it comprises the steps:
1) fixing on the chair fixed bit first chair to be measured being placed on base plate;
2) on guidance panel, set operating frequency and the action frequency of hammering cylinder;
3) open switch, open hammering cylinder, the piston rod of hammering cylinder ejects, and now counterweight loses the pulling force of hammering chain, and straight line decline hammering is on seats to be measured;
4) piston rod of hammering cylinder is regained, and now counterweight Rapid reset under the pulling force effect of hammering chain, completes a circulation.
8. the method for testing of the shock-resistant proving installation of a kind of Automatic Control seats according to claim 7, is characterized in that: in described step 3) and step 4), hammering chain is led by sprocket wheel.
9. the method for testing of the shock-resistant proving installation of a kind of Automatic Control seats according to claim 7, is characterized in that: described step 2) in operating frequency arrange according to chair model to be measured, action frequency is greater than 10,000 times.
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| Application Number | Priority Date | Filing Date | Title |
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| 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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| 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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| CN104655386B CN104655386B (en) | 2017-05-03 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067217A (en) * | 2015-09-02 | 2015-11-18 | 安徽合力股份有限公司 | A mechanical device for part impact fatigue tests |
| CN106950025A (en) * | 2017-03-30 | 2017-07-14 | 上海健康医学院 | A kind of wheel-chair falls the detection means of fatigue strength |
| CN108088662A (en) * | 2016-11-21 | 2018-05-29 | 震旦（中国）有限公司 | A kind of multifunctional rotating chair durability degree test device |
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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 |
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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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067217A (en) * | 2015-09-02 | 2015-11-18 | 安徽合力股份有限公司 | A mechanical device for part impact fatigue tests |
| CN108088662A (en) * | 2016-11-21 | 2018-05-29 | 震旦（中国）有限公司 | A kind of multifunctional rotating chair durability degree test device |
| CN108088662B (en) * | 2016-11-21 | 2024-02-02 | 震旦（中国）有限公司 | Multi-functional swivel chair durability testing arrangement |
| CN106950025A (en) * | 2017-03-30 | 2017-07-14 | 上海健康医学院 | A kind of wheel-chair falls the detection means of fatigue strength |
| 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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| CN104655386B (en) | 2017-05-03 |
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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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