CN203908718U - Pressure testing device - Google Patents
Pressure testing device Download PDFInfo
- Publication number
- CN203908718U CN203908718U CN201420306175.0U CN201420306175U CN203908718U CN 203908718 U CN203908718 U CN 203908718U CN 201420306175 U CN201420306175 U CN 201420306175U CN 203908718 U CN203908718 U CN 203908718U
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- China
- Prior art keywords
- cavity
- displacement bar
- track
- stress point
- displacement
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- Expired - Fee Related
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Abstract
The utility model discloses a pressure testing device, which is characterized in that a shell is internally provided with a vertically arranged first cavity and a vertically arranged second cavity, the first cavity is internally provided with a first displacement rod capable of moving along the first cavity, the upper end of the first displacement rod is exposed at the external part of the shell, and a first stress point used for being connected to external pressure is formed; the second cavity is internally provided with a second displacement rod capable of moving along the second cavity, the upper end of the second displacement rod is exposed at the external part of the shell, and a second stress point used for being connected to the external pressure is formed; and the lower part of the first displacement rod is provided with a first pressure meter, and the lower part of the second displacement rod is provided with a second pressure meter. When a tire moves by, the first stress point is crushed at first, and then the second stress point is crushed, thereby acquiring a stress condition in the tire moving process.
Description
Technical field
The utility model relates to a kind of pressure test device for tire motion process.
Background technology
Tire is the annular elastic rubber product rolling the ground connection of various vehicles or mechanically assembling, is conventionally arranged in alloy rim, can support vehicle body, and buffering foreign impacts, realizes the rideability that contacts and guarantee vehicle with road surface.Tire is everlasting under complicated and exacting terms and is used, and it is bearing various distortion, load, power and high cold service in motion, so must have higher load-carrying properties, hauling ability, shock-absorbing capacity.And in tire motion process with in the contact process of ground, can produce huge friction force and impulsive force, especially, under complex road condition, its impulsive force being subject to is huger.In order to make the Performance optimization of tire, need to obtain tire and at motion process, bear the data of pressure, thereby the size of tire, thickness and material are adjusted.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide pressure test device.
The technical solution of the utility model is as follows:
A kind of pressure test device, it comprises housing, wherein, in housing, be provided with first cavity and the second cavity of vertically arranging of vertical layout, in the first cavity, be provided with first displacement bar that can move along the first cavity, the upper end dew of the first displacement bar is put in outside, is formed for connecting the first stress point of external pressure; In the second cavity, be provided with second displacement bar that can move along the second cavity, the upper end dew of the second displacement bar is put in outside, be formed for connecting the second stress point of external pressure, the distance between the first stress point and the second stress point is between 15 centimetres to 30 centimetres; The first displacement bar bottom is provided with the first pressure gauge, and the second displacement bar bottom is provided with the second pressure gauge.
Described pressure test device, wherein, on the inwall of the first cavity, be provided with the first track of vertical layout, in the first track, be provided with the first cushion, on the first displacement bar, be provided with first slide block that can slide along the first track, between the first slide block and the first cushion, have gap; On the inwall of the second cavity, be provided with the second track of vertical layout, in the second track, be provided with the second cushion, on the second displacement bar, be provided with second slide block that can slide along the second track, between the second slide block and the second cushion, have gap.
Described pressure test device, wherein, is provided with buffer spring between the lower end of the first displacement bar and the first pressure gauge and between the lower end of the second displacement bar and the second pressure gauge.
Described pressure test device, wherein, is provided with displacement transducer in the first track and the second slide rail, for obtaining the displacement of the first displacement bar and the second displacement bar; In housing, be provided with comparer, displacement transducer, the first pressure gauge, the second pressure gauge are all connected with comparator circuit; Comparer is connected with a transmission cable, for carrying out data interaction with the external world.
Described pressure test device, wherein, the first stress point is square, and its surface is smooth plane, and the second stress point is wedge shape, is furnished with a plurality of friction salient points on the inclined-plane of wedge shape, and the inclined-plane of wedge shape is to meeting the direction of doughnut to arrange.
A kind of pressure test device that the utility model provides, on runway, arrange a plurality of pressure test devices, when tire moves past tense, can first roll the first stress point, then roll the second stress point, thereby obtain the stressing conditions in tire motion process, and owing to there being gap between the first stress point and the second stress point, can simulate under same state, the stressing conditions of tire and different stress point Contacts, provides basic data more accurately to the further analysis of tire.
Accompanying drawing explanation
Fig. 1 is the structural representation of pressure test device in the utility model;
Fig. 2 is the structural representation of the first track in the utility model.
Embodiment
The utility model provides a kind of pressure test device, for making the purpose of this utility model, technical scheme and effect clearer, clear and definite, below the utility model is further described.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of pressure test device, as shown in Figure 1, it comprises housing 1, wherein, in housing 1, be provided with first cavity 2 and the second cavity 3 of vertically arranging of vertical layout, in the first cavity, the 2 upper ends dew that are provided with first displacement bar 4, the first displacement bars 4 that can move along the first cavity 2 are put in housing 1 outside, are formed for connecting the first stress point 5 of external pressure; In the second cavity 3, be provided with second displacement bar 6 that can move along the second cavity 3, the upper end dew of the second displacement bar 6 is put in housing 1 outside, be formed for connecting the second stress point 7, the first stress points 5 of external pressure and the distance between the second stress point 7 between 15 centimetres to 30 centimetres; The first displacement bar 4 bottoms are provided with the first pressure gauge 8, the second displacement bar 6 bottoms are provided with the second pressure gauge 13, in the time of can making rubber-tyred roller press corresponding stress point, corresponding pressure gauge records the stress of corresponding stress point, the principle equating with reacting force according to acting force, and then draw the stressing conditions of tire, and then can to the parameter of tire, carry out optimized design according to the stressing conditions in tire moving process.
In another preferred embodiment of the present utility model, as shown in Figures 1 and 2, on the inwall of the first cavity 2, be provided with the first track 9 of vertical layout, in the first track 9, be provided with the first cushion 10, on the first displacement bar 4, be provided with first slide block 11 that can slide along the first track 9, between the first slide block 11 and the first cushion 10, have gap, while rolling corresponding stress point due to tire, the impulsive force that corresponding stress point receives can make corresponding displacement bar produce vibration, the state such as rock, and by the buffering of gap and the first cushion 10, can significantly reduce the stress of the generation between the first slide block 11 and the first guide rail 9, make the first displacement bar 4 press down more smooth.In like manner, on the inwall of the second cavity 3, be provided with the second track 12 of vertical layout, in the second track 12, be provided with the second cushion, on the second displacement bar 6, be provided with second slide block 14 that can slide along the second track 12, between the second slide block 14 and the second cushion 13, have gap, that is to say, the first track 9 is identical with the second track 12 structures, therefore, at this, only provide the structural representation of the first track 9.
Further, between the lower end of the first displacement bar 4 and the first pressure gauge 8 and between the lower end of the second displacement bar 6 and the second pressure gauge 13, be provided with buffer spring 15, can cushion corresponding displacement bar to the instant impact of corresponding pressure meter, to extend manometric serviceable life.
Further, in the first track 9 and the second slide rail 12, be provided with displacement transducer, for obtaining the displacement of the first displacement bar 9 and the second displacement bar 12; In housing 1, be provided with comparer, displacement transducer, the first pressure gauge 8, the second pressure 13 are all connected with comparator circuit; Comparer is connected with a transmission cable, for carrying out data interaction with the external world.By the displacement of the pressure condition of corresponding stress point and corresponding displacement bar is analyzed, according to corresponding function, can draw more accurately the instant impact that tire is subject in motion process, and the parameters such as heat that tire approximately produces in impact process.Certain above-mentioned displacement transducer, comparer, transmission cable all can adopt relevant art of the prior art, also the data that can obtain pressure test device by apparatus such as computer are carried out the operations such as modeling, analysis, but it does not belong to the field that the utility model is discussed, and this is no longer going to repeat them.
Further, first stressed 5 is square, its surface is smooth plane, the second stress point 7 is wedge shape, on the inclined-plane of wedge shape, be furnished with a plurality of friction salient points, the inclined-plane of wedge shape is to meeting the direction of doughnut to arrange, can obtain between tire moment and different objects and contact the parameter that forms impact, for the subsequent data analysis of tire provides more detailed data.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills, can be improved according to the above description or convert, all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (5)
1. a pressure test device, it comprises housing, it is characterized in that, in housing, be provided with first cavity and the second cavity of vertically arranging of vertical layout, in the first cavity, be provided with first displacement bar that can move along the first cavity, the upper end dew of the first displacement bar is put in outside, is formed for connecting the first stress point of external pressure; In the second cavity, be provided with second displacement bar that can move along the second cavity, the upper end dew of the second displacement bar is put in outside, be formed for connecting the second stress point of external pressure, the distance between the first stress point and the second stress point is between 15 centimetres to 30 centimetres; The first displacement bar bottom is provided with the first pressure gauge, and the second displacement bar bottom is provided with the second pressure gauge.
2. pressure test device according to claim 1, it is characterized in that, on the inwall of the first cavity, be provided with the first track of vertical layout, in the first track, be provided with the first cushion, on the first displacement bar, be provided with first slide block that can slide along the first track, between the first slide block and the first cushion, have gap; On the inwall of the second cavity, be provided with the second track of vertical layout, in the second track, be provided with the second cushion, on the second displacement bar, be provided with second slide block that can slide along the second track, between the second slide block and the second cushion, have gap.
3. pressure test device according to claim 2, is characterized in that, between the lower end of the first displacement bar and the first pressure gauge and between the lower end of the second displacement bar and the second pressure gauge, is provided with buffer spring.
4. pressure test device according to claim 3, is characterized in that, in the first track and the second slide rail, is provided with displacement transducer, for obtaining the displacement of the first displacement bar and the second displacement bar; In housing, be provided with comparer, displacement transducer, the first pressure gauge, the second pressure gauge are all connected with comparator circuit; Comparer is connected with a transmission cable, for carrying out data interaction with the external world.
5. pressure test device according to claim 1, is characterized in that, the first stress point is square, its surface is smooth plane, the second stress point is wedge shape, is furnished with a plurality of friction salient points on the inclined-plane of wedge shape, and the inclined-plane of wedge shape is to meeting the direction of doughnut to arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420306175.0U CN203908718U (en) | 2014-06-10 | 2014-06-10 | Pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420306175.0U CN203908718U (en) | 2014-06-10 | 2014-06-10 | Pressure testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203908718U true CN203908718U (en) | 2014-10-29 |
Family
ID=51782981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420306175.0U Expired - Fee Related CN203908718U (en) | 2014-06-10 | 2014-06-10 | Pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203908718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114414125A (en) * | 2021-12-13 | 2022-04-29 | 岚图汽车科技有限公司 | Device and method for testing thermal runaway jet pressure of battery cell and related equipment |
-
2014
- 2014-06-10 CN CN201420306175.0U patent/CN203908718U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114414125A (en) * | 2021-12-13 | 2022-04-29 | 岚图汽车科技有限公司 | Device and method for testing thermal runaway jet pressure of battery cell and related equipment |
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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 |
Granted publication date: 20141029 Termination date: 20150610 |
|
| EXPY | Termination of patent right or utility model |