CN207650047U - A kind of straight pin fatigue tester - Google Patents
A kind of straight pin fatigue tester Download PDFInfo
- Publication number
- CN207650047U CN207650047U CN201721677127.2U CN201721677127U CN207650047U CN 207650047 U CN207650047 U CN 207650047U CN 201721677127 U CN201721677127 U CN 201721677127U CN 207650047 U CN207650047 U CN 207650047U
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- China
- Prior art keywords
- shaft
- protecgulum
- straight pin
- casing
- crank
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Abstract
The utility model discloses a kind of straight pin fatigue testers, it includes the casing and protecgulum being fixed together, there is cavity in casing and protecgulum, shaft is installed in the cavity, protecgulum is stretched out in one end of shaft, the other end is located at cavity inside, spring bearing is equipped between shaft and protecgulum, one end that shaft stretches out protecgulum is externally connected with the driving mechanism that drive shaft rotates, one end that shaft is located in cavity is connected with crank, crank is connect by tested straight pin with shaft, vertically arranged elongated shaft is connected on crank by axis pin, the lower end of elongated shaft is pierced by from casing or protecgulum and is connected with weight.The utility model is in test, driving mechanism drive shaft rotates, elongated shaft moves up and down when shaft rotates, tested straight pin is worn by the gravity of weight, radial load that can be suffered by clear straight pin by gravitational load method, by analyzing the degree of wear of straight pin during the work time so as to accurately calibrating the service life of straight pin.
Description
Technical field
The utility model is related to a kind of straight pin fatigue testers to belong to machine to test straight pin radial force situation
Tool component test tooling technical field.
Background technology
Straight pin generally to couple, lock part or be used as assembly positioning, can also be used as the part of safety device.Circle
Pin is fixed on by interference in pin hole, to retaining element, passing power, or makees locating piece.The anti-self-revolving machine of compressor of air conditioner
Gasket-pin structure in structure can use straight pin, and during the work time, straight pin is acted on compressor by radial load.Straight pin stress
Excessive or long-term radial force, it may occur that abrasion is even broken, to influence the normal work of compressor.And the prior art lacks
Few device that straight pin radial force situation is tested.
Invention content
The purpose of this utility model is to provide a kind of straight pin fatigue examinations that can test straight pin radial force situation
Test machine.
The utility model adopts the following technical solution：A kind of straight pin fatigue tester comprising be fixed together
Casing and protecgulum, there is cavity in casing and protecgulum, shaft is installed in the cavity, protecgulum, another is stretched out in one end of shaft
End is located at cavity inside, and spring bearing is equipped between shaft and protecgulum, and one end that shaft stretches out protecgulum is externally connected with drive shaft
The driving mechanism of rotation, shaft are located at one end in cavity and are connected with crank, and the crank is connected by tested straight pin with shaft
It connects, is connected with vertically arranged elongated shaft on crank by axis pin, the lower end of elongated shaft is pierced by simultaneously from casing or protecgulum
It is connected with weight.
The driving mechanism is belt pulley clutch, and belt pulley clutch includes the clutch and skin being fixed together
Pulley assemblies, clutch are connect with the shaft, and pulley assembly includes belt pulley, sucker and line packet, and the protecgulum is close to
One axle envelope position is bulge-structure, and 3rd bearing is equipped between belt pulley and the outer surface of protecgulum bulge-structure.
The casing is equipped with visor, and visor passes through O-ring seal and casing sealing.
The visor includes side-view mirror and orthoptoscope, and side-view mirror setting is arranged on casing just in cabinet sides, orthoptoscope
To the position of straight pin end face.
The shaft is equipped with the first axle envelope between the part and protecgulum of driving mechanism, elongated shaft and casing or protecgulum it
Between be equipped with the second axle envelope.
The spring bearing includes first bearing and second bearing, and first bearing is arranged in shaft close to the first axle envelope
At position, second bearing is arranged in shaft at crank position.
Together with the casing is bolted to connection with protecgulum.
The utility model has the beneficial effects that：In test, crank is connected with shaft by tested straight pin the utility model
It connects, elongated shaft is connected on crank, and weight, the rotation of driving mechanism drive shaft, shaft rotation are connected in elongated shaft lower end
When elongated shaft move up and down, tested straight pin is worn by the gravity of weight, and passing through gravitational load method can clear straight pin
Suffered radial load, by analyzing the straight pin degree of wear during the work time so as to accurately calibrating straight pin
Service life.
Preferably, it is rotated, can be run with the anti-rotation mechanism of analog compression machine by belt pulley clutch drive shaft, had
Have the advantages that at low cost, easy to maintenance, noise is small.
Preferably, visor is set on casing, it is observed that the working order inside testing machine, convenient for monitoring and dimension
It repaiies.
Preferably, the first axle envelope makes to realize that sealing, the second axle envelope make elongated shaft and casing or protecgulum between shaft and protecgulum
Between realize sealing.
Preferably, shaft can preferably be supported by first bearing and second bearing.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model.
Specific implementation mode
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
A kind of structure of embodiment of the utility model as shown in Figure 1, the present embodiment straight pin fatigue tester, including it is solid
Surely the casing 14 and protecgulum 9 to link together, the casing 14 and protecgulum 9 are fixed together by bolt 7.14 He of casing
There is cavity in protecgulum 9, shaft 6 is installed in the cavity, protecgulum 9 is stretched out in one end of shaft 6, the other end is located at cavity inside,
Spring bearing is equipped between shaft 6 and protecgulum 9, the spring bearing includes first bearing 8 and second bearing 10, first bearing 8
It is arranged in shaft 6 at the position of the first axle envelope 4, second bearing 10 is arranged in shaft 6 at 13 position of crank.Turn
One end that axis 6 stretches out protecgulum is externally connected with the driving mechanism that drive shaft rotates, and shaft 6 is close to the part of driving mechanism and protecgulum
The first axle envelope 4 is equipped between 9, shaft 6 is located at one end in cavity and is connected with crank 13, and the crank 13 is by being tested straight pin
12 connect with shaft 6, are connected with vertically arranged elongated shaft 16 on crank 13 by axis pin 15, the lower end of elongated shaft 16 from
Weight 18 is pierced by and be connected in casing 14, and the second axle envelope 17 is equipped between elongated shaft 16 and casing 14.
The casing 14 is equipped with visor, and visor is sealed by O-ring seal and casing 14.The visor includes side-view mirror
11 and orthoptoscope 19,12 end face of face straight pin is arranged on casing 14 in 14 side of casing, orthoptoscope 19 in the setting of side-view mirror 11
Position.
Driving mechanism is belt pulley clutch in the present embodiment, and belt pulley clutch includes the clutch being fixed together
Device 20 and pulley assembly, clutch 20 are connect with the shaft 6, pulley assembly include belt pulley, sucker and line packet 1,2,
3, the protecgulum is bulge-structure close to 4 position of the first axle envelope, and the is equipped between belt pulley and the outer surface of protecgulum bulge-structure
Three bearings 5.
The testing machine of the present embodiment is driven using belt pulley clutch, and belt pulley 2 is coordinated by 3rd bearing 5 and protecgulum 9,
20 drive shaft 6 of clutch works, and shaft 6 is sealed with protecgulum 9 by the first axle envelope 4, and shaft 6 passes through first bearing 8, the second axis
It holds 10 with protecgulum 9 to coordinate, protecgulum 9 is installed together with casing 14 by bolt 7, and crank 13 is with shaft 6 by being tested straight pin
12 connect and work, and crank 13 is connect with elongated shaft 16 by axis pin 15, realize that elongated shaft 16 moves up and down in casing 14, by
Second axle envelope 17 is sealed, and 16 lower end of elongated shaft is ined succession weight 18, and a works pass through oil lubrication in testing machine.Examination
When testing machine operation, the working order inside testing machine can be observed by side-view mirror 11 and orthoptoscope 20, convenient for monitoring and dimension
It repaiies.
In test, crank is connect with shaft by tested straight pin, elongated shaft is connected on crank, and in elongated shaft
Lower end connects weight, and the rotation of driving mechanism drive shaft, elongated shaft moves up and down when shaft rotates, and is tested straight pin by weight
Gravity and wear, radial load that can be suffered by clear straight pin by gravitational load method, by analyzing straight pin worked
The degree of wear in journey is so as to accurately calibrating the service life of straight pin.
Above-described embodiment is a kind of preferred embodiment of the utility model, in the utility model others embodiment, is driven
Motivation structure can also be other mechanisms that can be rotated with drive shaft such as motor.
In the utility model others embodiment, the lower end of elongated shaft can also be to be pierced by from protecgulum, the second axle envelope
It should be arranged between protecgulum and elongated shaft.
Claims (7)
1. a kind of straight pin fatigue tester, it is characterised in that：It includes the casing being fixed together（14）And protecgulum
（9）, casing（14）And protecgulum（9）It is interior that there is cavity, shaft is installed in the cavity（6）, shaft（6）One end stretch out protecgulum
（9）, the other end be located at cavity inside, shaft（6）With protecgulum（9）Between be equipped with spring bearing, shaft（6）Stretch out one end of protecgulum
It is externally connected with the driving mechanism of drive shaft rotation, shaft（6）One end in cavity is connected with crank（13）, the crank
（13）By being tested straight pin（12）With shaft（6）Connection, crank（13）On pass through axis pin（15）It is connected with vertically arranged
Elongated shaft（16）, elongated shaft（16）Lower end from casing（14）Or protecgulum（9）In be pierced by and be connected with weight（18）.
2. straight pin fatigue tester according to claim 1, it is characterised in that：The driving mechanism is belt pulley clutch
Device, belt pulley clutch include the clutch being fixed together（20）And pulley assembly, clutch（20）With described turn
Axis（6）Connection, pulley assembly includes belt pulley, sucker and line packet（1、2、3）, the protecgulum is close to the first axle envelope（4）Position
It is bulge-structure, 3rd bearing is equipped between belt pulley and the outer surface of protecgulum bulge-structure（5）.
3. straight pin fatigue tester according to claim 1, it is characterised in that：The casing（14）It is equipped with visor,
Visor passes through O-ring seal and casing（14）Sealing.
4. straight pin fatigue tester according to claim 3, it is characterised in that：The visor includes side-view mirror（11）With
Orthoptoscope（19）, side-view mirror（11）It is arranged in casing（14）Side, orthoptoscope（19）It is arranged in casing（14）Upper face straight pin
（12）The position of end face.
5. straight pin fatigue tester according to any one of claims 1 to 4, it is characterised in that：The shaft（6）It leans on
The part of nearly driving mechanism and protecgulum（9）Between be equipped with the first axle envelope（4）, elongated shaft（16）With casing（14）Or protecgulum（9）It
Between be equipped with the second axle envelope（17）.
6. straight pin fatigue tester according to claim 5, it is characterised in that：The spring bearing includes first bearing
（8）And second bearing（10）, first bearing（8）It is arranged in shaft（6）Upper close first axle envelope（4）Position at, second bearing
（10）It is arranged in shaft（6）Upper close crank（13）At position.
7. straight pin fatigue tester according to claim 5, it is characterised in that：The casing（14）And protecgulum（9）It is logical
Cross bolt（7）It is fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721677127.2U CN207650047U (en) | 2017-12-06 | 2017-12-06 | A kind of straight pin fatigue tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721677127.2U CN207650047U (en) | 2017-12-06 | 2017-12-06 | A kind of straight pin fatigue tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207650047U true CN207650047U (en) | 2018-07-24 |
Family
ID=62883418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721677127.2U Active CN207650047U (en) | 2017-12-06 | 2017-12-06 | A kind of straight pin fatigue tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207650047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894370A (en) * | 2017-12-06 | 2018-04-10 | 南京奥特佳新能源科技有限公司 | A kind of straight pin fatigue tester |
-
2017
- 2017-12-06 CN CN201721677127.2U patent/CN207650047U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894370A (en) * | 2017-12-06 | 2018-04-10 | 南京奥特佳新能源科技有限公司 | A kind of straight pin fatigue tester |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |