CN204214719U - A kind of connecting rod base bends test fixture - Google Patents
A kind of connecting rod base bends test fixture Download PDFInfo
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- CN204214719U CN204214719U CN201420549382.9U CN201420549382U CN204214719U CN 204214719 U CN204214719 U CN 204214719U CN 201420549382 U CN201420549382 U CN 201420549382U CN 204214719 U CN204214719 U CN 204214719U
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- connecting rod
- test fixture
- riser
- bends
- hole
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Abstract
The utility model relates to automobile connecting bar performance test apparatus field, particularly relates to a kind of connecting rod base and bends test fixture.Connecting rod base bends riser, connecting rod, displacement meter bracket and the mandrel that test fixture comprises upper and lower two base plates, between upper and lower two base plates at least two go to upper and lower positional alignment, each riser is connected with each self-corresponding base plate respectively, and described base plate is connected with testing machine; Each described riser is provided with at least one bearing; The two ends of described connecting rod are respectively arranged with through hole; One end of upper and lower mandrel coordinates with the through hole at described connecting rod two ends respectively installs, and the other end penetrates in the endoporus of upper and lower bearing respectively; Described displacement meter bracket is arranged between upper and lower mandrel, is provided with for detecting the displacement meter of described connecting rod at load condition bottom offset in it.This fixture may be used for the test that seat under the development phase connecting rod explosion pressure operating mode of connecting rod bends intensity, and easy to operate, reliable results.
Description
Technical field
The utility model relates to automobile connecting bar performance test apparatus field, particularly relates to a kind of connecting rod base and bends test fixture.
Background technology
In automobile connecting bar exploitation, need the seat measuring connecting rod to bend intensity, namely the measurement that seat bends intensity is by pressurizeing to the two ends of connecting rod, makes it produce the phenomenon of longitudinal bending, and then measured intensity.In engine art, small displacement engine with supercharger becomes development trend.Wherein the explosion pressure of small displacement turbosupercharged engine is large compared with naturally aspirated engine, thus small displacement engine with supercharger admit by increasing user.In order to energy-conserving and environment-protective more, enough seats how can also be had after lightweight to bend the research direction that intensity is future automobile connecting rod technology.
In prior art, the intensity of connecting rod under explosion pressure operating mode can be simulated by finite element technique, but adopt the method can not measure the intensity of connecting rod under explosion pressure operating mode accurately, and be inconvenient to operate, also need test figure to support in contrast simultaneously, cause result unreliable.
For above problem, need badly want a kind of new connecting rod base bend test fixture, with solve exist in prior art can not simulate the intensity of connecting rod under explosion pressure operating mode accurately by finite element technique, be inconvenient to operate, the insecure problem of result.
Utility model content
The purpose of this utility model is to provide a kind of connecting rod base to bend test fixture, bends test fixture can simulate the intensity of connecting rod under explosion pressure operating mode directly, accurately by this connecting rod base, easy to operate, reliable results.
For reaching this object, the utility model by the following technical solutions:
A kind of connecting rod base bends test fixture, the riser that it comprises upper and lower two base plates, between upper and lower two base plates at least two go to upper and lower positional alignment, connecting rod, displacement meter bracket and mandrel, each riser is connected with each self-corresponding base plate respectively, and described base plate is connected with testing machine; Each described riser is provided with at least one bearing; The two ends of described connecting rod are respectively arranged with through hole; One end of upper and lower mandrel coordinates with the through hole at described connecting rod two ends respectively installs, and the other end penetrates in the endoporus of upper and lower bearing respectively; Described displacement meter bracket is arranged between upper and lower mandrel, is provided with for detecting the displacement meter of described connecting rod at load condition bottom offset in it.
As preferably, coordinate at least one through hole at described connecting rod two ends and the axle collar is installed.
As preferably, described brearing bore place coordinates and is provided with axle sleeve; Coordinate respectively in the through hole at described connecting rod two ends and the axle collar is installed; One end of upper and lower mandrel coordinates with the axle collar in the through hole at described connecting rod two ends respectively installs, and the other end penetrates in the axle sleeve of upper and lower bearing respectively.
As preferably, all risers are connected with described base plate by bolt.
As preferably, described base plate is connected with 4 pieces of risers.
As preferably, each described riser is provided with 2 described bearings.
As preferably, between 2 described bearings, be provided with back-up ring.
As preferably, the center line in the bearing vertical direction on all risers is positioned on same perpendicular line.
The beneficial effects of the utility model are:
The connecting rod base provided due to the utility model bends riser, connecting rod, displacement meter bracket and the mandrel that test fixture comprises upper and lower two base plates, between upper and lower two base plates at least two go to upper and lower positional alignment, each riser is connected with each self-corresponding base plate respectively, and described base plate is connected with testing machine; Each described riser is provided with at least one bearing; The two ends of described connecting rod are respectively arranged with through hole; One end of upper and lower mandrel coordinates with the through hole at described connecting rod two ends respectively installs, and the other end penetrates in the endoporus of upper and lower bearing respectively; Described displacement meter bracket is arranged between upper and lower mandrel, is provided with for detecting the displacement meter of described connecting rod at load condition bottom offset in it.So this fixture may be used for the test that seat under the development phase connecting rod explosion pressure operating mode of connecting rod bends intensity, and easy to operate, reliable results.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, be briefly described to the accompanying drawing used required in the description of the utility model embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the content of the utility model embodiment and these accompanying drawings.
Fig. 1 is the front view that connecting rod base that the utility model device embodiment provides bends test fixture;
Fig. 2 is the semisectional view that connecting rod base that the utility model device embodiment provides bends test fixture.
Wherein:
1, axle sleeve; 2, back-up ring; 3, bearing; 4, mandrel; 5, the axle collar; 6, displacement meter bracket; 7, base plate; 8, riser; 9, connecting rod.
Embodiment
The technical matters solved for making the utility model, the technical scheme of employing and the technique effect that reaches are clearly, be described in further detail below in conjunction with the technical scheme of accompanying drawing to the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those skilled in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the front view that connecting rod base that the utility model device embodiment provides bends test fixture; Fig. 2 is the semisectional view that connecting rod base that the utility model device embodiment provides bends test fixture.As shown in Figure 1 to Figure 2, this connecting rod base is bent test fixture and is comprised upper and lower two base plates 7, riser 8, connecting rod 9, displacement meter bracket 6 and mandrel 4 between upper and lower two base plates 7.Described base plate 7 is connected with testing machine.The number of described riser 8 is at least 2, and goes to upper and lower positional alignment, and each riser 8 is connected with each self-corresponding base plate 7 respectively, and each described riser 8 is provided with at least one bearing 3.The two ends of described connecting rod 9 are respectively major part and microcephaly, and described major part and microcephaly are respectively arranged with through hole; One end of upper and lower mandrel 4 coordinates with the through hole at described connecting rod 9 two ends respectively installs, and the other end penetrates in the endoporus of upper and lower bearing 3 respectively.Described displacement meter bracket 6 is arranged between upper and lower mandrel 4, is provided with the displacement meter for detecting the displacement of described connecting rod 9 under load condition in it, to detect the variable of connecting rod 9 at load condition bottom offset.
This fixture may be used for the test that seat under the development phase connecting rod explosion pressure operating mode of connecting rod bends intensity, and easy to operate, reliable results.
In the present embodiment, preferably, all risers 8 are connected with described base plate 7 by bolt.Certainly, all risers 8 are by being also connected with base plate 7 by other means.
In the present embodiment, preferably, described base plate is connected with upper and lower 4 pieces of risers 8.Certainly, the number of described riser 8 is not limited to 8, and its number can set as required.
In the present embodiment, preferably, each described riser 8 is provided with 2 described bearings 3.As further preferably, be provided with back-up ring 2 between 2 described bearings 3 and separate.Certainly, the number of described bearing 3 is not limited to 2.
In the present embodiment, preferably, the cooperation of described bearing 3 endoporus place is provided with axle sleeve 1, and described mandrel 4 coordinates with axle sleeve 1, can select mandrel 4 and the axle sleeve 1 of different size according to the connecting rod 9 of different size.Coordinate at least one through hole at described connecting rod 9 two ends and the axle collar 5 is installed.In the present embodiment, coordinate respectively in the through hole at described connecting rod 9 two ends and the axle collar 5 is installed, the variable dimension of the described axle collar 5, to coordinate the connecting rod 9 of different size.One end of upper and lower mandrel 4 coordinates with the axle collar 5 in the through hole at described connecting rod 9 two ends respectively installs, and the other end penetrates in the axle sleeve 1 of upper and lower bearing 3 respectively.
In the present embodiment, preferably, the center line in bearing 3 vertical direction on all risers 8 is positioned on same perpendicular line.Certainly, the center line in bearing 3 vertical direction on all risers 8 also can not be positioned on same perpendicular line.
The connecting rod base that the utility model provides bends the course of work of test fixture:
As shown in Figure 1, after connecting rod 9 and upper tight are good, Adjustment Tests seat in the plane is moved and is passed from the axle collar 5 of connecting rod 9 stub end through hole by the mandrel 4 being positioned at below.Displacement meter is arranged in displacement meter bracket 6, displacement meter bracket 6 is contained between upper and lower mandrel 4.After load resets, with fixing speed to upper and lower mandrel 4 Slow loading load respectively, in displacement meter, read in the displacement curve of load lower link 9 and calculate seat and bend intensity.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Skilled person in the art will appreciate that the utility model is not limited to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and protection domain of the present utility model can not be departed from.Therefore, although be described in further detail the utility model by above embodiment, but the utility model is not limited only to above embodiment, when not departing from the utility model design, can also comprise other Equivalent embodiments more, and scope of the present utility model is determined by appended right.
Claims (8)
1. a connecting rod base bends test fixture, it is characterized in that, comprise upper and lower two base plates, riser, connecting rod, displacement meter bracket and mandrel that between upper and lower two base plates at least two go to upper and lower positional alignment, each riser is connected with each self-corresponding base plate respectively, and described base plate is connected with testing machine; Each described riser is provided with at least one bearing; The two ends of described connecting rod are respectively arranged with through hole; One end of upper and lower mandrel coordinates with the through hole at described connecting rod two ends respectively installs, and the other end penetrates in the endoporus of upper and lower bearing respectively; Described displacement meter bracket is arranged between upper and lower mandrel, is provided with for detecting the displacement meter of described connecting rod at load condition bottom offset in it.
2. connecting rod base according to claim 1 bends test fixture, it is characterized in that, coordinates and be provided with the axle collar at least one through hole at described connecting rod two ends.
3. connecting rod base according to claim 2 bends test fixture, it is characterized in that, the cooperation of described brearing bore place is provided with axle sleeve; Coordinate respectively in the through hole at described connecting rod two ends and the axle collar is installed; One end of upper and lower mandrel coordinates with the axle collar in the through hole at described connecting rod two ends respectively installs, and the other end penetrates in the axle sleeve of upper and lower bearing respectively.
4. connecting rod base according to claim 3 bends test fixture, it is characterized in that, all risers are connected with described base plate by bolt.
5. connecting rod base according to claim 3 bends test fixture, it is characterized in that, described base plate is connected with 4 pieces of risers.
6. connecting rod base according to claim 3 bends test fixture, it is characterized in that, each described riser is provided with 2 described bearings.
7. connecting rod base according to claim 6 bends test fixture, it is characterized in that, is provided with back-up ring between 2 described bearings.
8. the connecting rod base according to any one of claim 1 to 7 bends test fixture, it is characterized in that, the center line in the bearing vertical direction on all risers is positioned on same perpendicular line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549382.9U CN204214719U (en) | 2014-09-23 | 2014-09-23 | A kind of connecting rod base bends test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549382.9U CN204214719U (en) | 2014-09-23 | 2014-09-23 | A kind of connecting rod base bends test fixture |
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| Publication Number | Publication Date |
|---|---|
| CN204214719U true CN204214719U (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420549382.9U Active CN204214719U (en) | 2014-09-23 | 2014-09-23 | A kind of connecting rod base bends test fixture |
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| CN (1) | CN204214719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954404A (en) * | 2019-12-26 | 2020-04-03 | 哈尔滨工业大学 | Buckling-restrained device and method suitable for plate-shaped test piece compression test |
-
2014
- 2014-09-23 CN CN201420549382.9U patent/CN204214719U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954404A (en) * | 2019-12-26 | 2020-04-03 | 哈尔滨工业大学 | Buckling-restrained device and method suitable for plate-shaped test piece compression test |
| CN110954404B (en) * | 2019-12-26 | 2021-06-25 | 哈尔滨工业大学 | Buckling-restrained device and method suitable for plate-shaped test piece compression test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 067000 East Chengde Industrial Park, Hebei Patentee after: Chengde Ken Galaxy link Co., Ltd. Address before: 067000 Chengde East Industrial Park, Hebei, Jiangsu Province, the Soviet Union Galaxy link Limited by Share Ltd Patentee before: Chengde Suken Yinhe Connecting Rod Co.,Ltd. |
|
| CP03 | Change of name, title or address |