CN204405315U - For the tensioning mechanism of chair back crushing resistance and fatigability proving installation - Google Patents
For the tensioning mechanism of chair back crushing resistance and fatigability proving installation Download PDFInfo
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- CN204405315U CN204405315U CN201520063595.5U CN201520063595U CN204405315U CN 204405315 U CN204405315 U CN 204405315U CN 201520063595 U CN201520063595 U CN 201520063595U CN 204405315 U CN204405315 U CN 204405315U
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- carriage
- tension
- pulley
- chair back
- take
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Abstract
The utility model belongs to chair quality testing field, particularly relate to a kind of tensioning mechanism for chair back crushing resistance and fatigability proving installation, comprise support and be arranged on the tension cylinder of cradle top, the balancing weight be connected on tension cylinder piston rod, the two tension support bars being arranged on balancing weight side and the upper take-up pulley be arranged between two tension support bars and lower take-up pulley, described balancing weight is connected with tensioning chain, and described tensioning chain is walked around take-up pulley respectively and is connected the chair back with lower take-up pulley; Described support comprises four root posts and is arranged on the some carriages between four root posts.The utility model adopts tension cylinder, balancing weight, take-up pulley to coordinate tensioning chain to draw the chair back, makes stability in its test process high, and test result is accurately reliable, and can be used for the test of various model chair.
Description
Technical field
The utility model belongs to chair quality testing field, particularly relates to a kind of tensioning mechanism for chair back crushing resistance and fatigability proving installation.
Background technology
Seat is in normal use procedure, and the chair back can be subject to load and the stamping press of accumulation property, so safe and reliable seat must can stand a certain size crushing resistance and fatigability test.
But, the chair back compression test equipment 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.
Utility model content
The utility model 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, the tensioning mechanism of the accurate reliable tensioning mechanism for chair back crushing resistance and fatigability proving installation of test result.
The technical solution of the utility model: a kind of tensioning mechanism for chair back crushing resistance and fatigability proving installation, comprise support and be arranged on the tension cylinder of cradle top, the balancing weight be connected on tension cylinder piston rod, the two tension support bars being arranged on balancing weight side and the upper take-up pulley be arranged between two tension support bars and lower take-up pulley, described balancing weight is connected with tensioning chain, and described tensioning chain is walked around take-up pulley respectively and is connected the chair back with lower take-up pulley;
Described support comprises four root posts and is arranged on the some carriages between four root posts.
The utility model adopts tension cylinder, balancing weight, take-up pulley to coordinate tensioning chain to draw the chair back, makes stability in its test process high, and test result is accurately reliable, and can be used for the test of various model chair.
Preferably, described carriage comprises the first carriage, the second carriage, the 3rd carriage and the 4th carriage from top to bottom, described first carriage crown center is provided with cylinder supports bar, described tension cylinder is vertically arranged in the middle part of cylinder supports bar, the piston rod of tension cylinder, between described first carriage and column, the 4th is equipped with reinforcement between carriage and column down.
This kind of structure makes the setting of straining cylinder more reasonable, and cinching process is more steadily reliable.
Preferably, the piston rod end of tension cylinder is connected with balancing weight with two load-bearing chains by a counterbalance weight, and two load-bearing chain tops connect bottom counterbalance weight, connect balancing weight top bottom two load-bearing chains.
This kind of structure makes the process straining cylinder tension balancing weight more steadily reliable.
Preferably, two tension support bar top are fixed on inside the second carriage, are fixed on underframe side bottom two tension support bars, lean against outside the 3rd carriage in the middle part of two tension support bars.
This kind of structure makes two settings of straining support bar more solid and reliable, thus makes cinching process more steadily reliable.
Preferably, described upper take-up pulley is many rings wheel, and it is fixed between two tension support bars by two upper joint sleeves, and described lower take-up pulley is monocycle wheel, and it is fixed between two tension support bars by two lower joint sleeves.
This kind of structure makes take-up pulley and lower take-up pulley and two connections of straining support bar more solid and reliable, thus makes cinching process more steadily reliable.
The utility model adopts tension cylinder, balancing weight, take-up pulley to coordinate tensioning chain to draw the chair back, makes stability in its test process high, and test result is accurately reliable, and can be used for the test of various model chair.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
1. supports, 2. tensioning chain in figure, 3. strain cylinder, 4. strain support bar, 5. go up take-up pulley, 6. descend take-up pulley, 7. load-bearing chain, 8. counterbalance weight, 9. upper joint sleeve, 10. lower joint sleeve, 11. columns, 12. first carriages, 13. second carriages, 14. the 3rd carriages, 15. the 4th carriages, 16. balancing weights, 17. reinforcements, 18. cylinder supports bars.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, but is not the restriction to the utility model protection domain.
As shown in Figure 1, a kind of tensioning mechanism for chair back crushing resistance and fatigability proving installation, comprise support 1 and be arranged on the tension cylinder 3 at support 1 top, the balancing weight 16 be connected on tension cylinder 3 piston rod, the two tension support bars 4 being arranged on balancing weight 16 side and the upper take-up pulley 5 be arranged between two tension support bars 4 and lower take-up pulley 6, balancing weight 16 is connected with tensioning chain 2, tensioning chain 2 is walked around take-up pulley 5 respectively and is connected the chair back with lower take-up pulley 6;
Support 1 comprises four root posts 11 and is arranged on four carriages between four root posts 11.
Four carriages comprise the first carriage 12, second carriage 13, the 3rd carriage 14 and the 4th carriage 15 from top to bottom, first carriage 12 crown center is provided with cylinder supports bar 18, tension cylinder 3 is vertically arranged in the middle part of cylinder supports bar 18, the piston rod of tension cylinder 3, is equipped with reinforcement 17 between the first carriage 12 and column 11, between the 4th carriage 15 and column 11 down.
The piston rod end of tension cylinder 3 is connected with balancing weight 16 with two load-bearing chains 7 by a counterbalance weight 8, and two load-bearing chain 7 tops connect bottom counterbalance weight 8, connect balancing weight 16 top bottom two load-bearing chains 7.
Two tension support bar 4 tops are fixed on inside the second carriage 13, fix on the ground bottom two tension support bars 4, lean against outside the 3rd carriage 14 in the middle part of two tension support bars 4.
Upper take-up pulley 5 is many rings wheel, and it is fixed between two tension support bars 4 by two upper joint sleeves 9, and lower take-up pulley 6 is monocycle wheel, and it is fixed between two tension support bars 4 by two lower joint sleeves 10.
The utility model can configure PLC Automatic Control voluntarily according to test cabinet condition and testing requirement, also can pass through gauge tap semiautomatic control.
The utility model adopts tension cylinder, balancing weight, take-up pulley to coordinate tensioning chain to draw the chair back, makes stability in its test process high, and test result is accurately reliable, and can be used for the test of various model chair.
Claims (5)
1. the tensioning mechanism for chair back crushing resistance and fatigability proving installation, it is characterized in that: it comprises support and is arranged on the tension cylinder of cradle top, the balancing weight be connected on tension cylinder piston rod, is arranged on two of balancing weight side tension support bars and the upper take-up pulleies be arranged between two tension support bars and lower take-up pulley, described balancing weight is connected with tensioning chain, and described tensioning chain is walked around take-up pulley respectively and is connected the chair back with lower take-up pulley;
Described support comprises four root posts and is arranged on the some carriages between four root posts.
2. a kind of tensioning mechanism for chair back crushing resistance and fatigability proving installation according to claim 1, it is characterized in that: described carriage comprises the first carriage, the second carriage, the 3rd carriage and the 4th carriage from top to bottom, described first carriage crown center is provided with cylinder supports bar, described tension cylinder is vertically arranged in the middle part of cylinder supports bar, the piston rod of tension cylinder, between described first carriage and column, the 4th is equipped with reinforcement between carriage and column down.
3. a kind of tensioning mechanism for chair back crushing resistance and fatigability proving installation according to claim 2, it is characterized in that: the piston rod end of tension cylinder is connected with balancing weight with two load-bearing chains by a counterbalance weight, two load-bearing chain tops connect bottom counterbalance weight, connect balancing weight top bottom two load-bearing chains.
4. a kind of tensioning mechanism for chair back crushing resistance and fatigability proving installation according to claim 2, it is characterized in that: two tension support bar top are fixed on inside the second carriage, fix on the ground bottom two tension support bars, lean against outside the 3rd carriage in the middle part of two tension support bars.
5. a kind of tensioning mechanism for chair back crushing resistance and fatigability proving installation according to claim 4, it is characterized in that: described upper take-up pulley is many rings wheel, it is fixed between two tension support bars by two upper joint sleeves, described lower take-up pulley is monocycle wheel, and it is fixed between two tension support bars by two lower joint sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520063595.5U CN204405315U (en) | 2015-01-29 | 2015-01-29 | For the tensioning mechanism of chair back crushing resistance and fatigability proving installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520063595.5U CN204405315U (en) | 2015-01-29 | 2015-01-29 | For the tensioning mechanism of chair back crushing resistance and fatigability proving installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204405315U true CN204405315U (en) | 2015-06-17 |
Family
ID=53429165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520063595.5U Expired - Fee Related CN204405315U (en) | 2015-01-29 | 2015-01-29 | For the tensioning mechanism of chair back crushing resistance and fatigability proving installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204405315U (en) |
-
2015
- 2015-01-29 CN CN201520063595.5U patent/CN204405315U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20180129 |