CN207114148U - A kind of spring fatigue test device - Google Patents
A kind of spring fatigue test device Download PDFInfo
- Publication number
- CN207114148U CN207114148U CN201720783480.2U CN201720783480U CN207114148U CN 207114148 U CN207114148 U CN 207114148U CN 201720783480 U CN201720783480 U CN 201720783480U CN 207114148 U CN207114148 U CN 207114148U
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- CN
- China
- Prior art keywords
- bearing
- fixed
- crank
- fatigue test
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of spring fatigue test device, it includes multiple support bars, thereon, lower both ends are respectively fixed with top plate and bottom plate, motor cabinet is fixed with the upside of top plate, motor is arranged on the motor cabinet, motor is connected with frequency converter, the drive shaft of the motor is connected by shaft coupling with bent axle, small end is connected with the crankshaft mobility, its lower end is flexibly connected with bearing, top board detachably is installed on the downside of bearing, top board is provided with multiple the first circular holes coordinated with support bar, base is fixed with the bottom plate, top board on the base with being equipped with spring base.The utility model uses Frequency Converter Control motor, and this testing machine can be made to meet that the spring of different compression frequency requirements carries out fatigue test, by adjusting the fixed position of crank-pin and crank arm, this testing machine can be made to be applied to the spring of different height and carry out fatigue test.
Description
Technical field
The utility model belongs to spring experimental provision field, and in particular to a kind of spring fatigue test device.
Background technology
Spring is the buffer unit commonly used in life, and with the development of science and technology, the fatigue strength test instrument of spring is more
Kind is various.Be essentially all now the high-precision fatigue strength test instrument of micro computer control on the market, can be used for various springs or
The fatigue strength test of damper, and measuring technology parameter can be adjusted according to different test specimens.These testers by
Various and applied widely in function, price is naturally very high.And test in general spring fatigue intensity or only need to survey
A kind of fatigue strength of spring is tried, these testers undoubtedly cause the waste of cost.
Utility model content
Purpose of utility model：For the deficiencies in the prior art, the utility model provides a kind of spring fatigue test
Device.
Technical scheme：To realize above-mentioned purpose of utility model, the technical solution adopted in the utility model is as follows：
A kind of spring fatigue test device, including multiple support bars, the multiple support bar are vertically arranged, and its upper and lower two
End is respectively fixed with top plate and bottom plate；Motor cabinet is fixed with the upside of the top plate, motor is arranged on the motor cabinet, the electricity
Machine is connected with frequency converter, and the drive shaft of the motor is connected by shaft coupling with bent axle, and the bent axle includes the first trunnion, the
Two trunnions, the first crank arm, the second crank arm and crank-pin, first trunnion are connected with the first crank arm, and described
Two trunnions are connected with the second crank arm；The crank-pin is arranged between first crank arm and the second crank arm；It is described
First trunnion is fixed with the shaft coupling, and second trunnion is provided with clutch shaft bearing, and the clutch shaft bearing is arranged on axle
In the bearing block set on cushion cap, the pedestal is fixed on the top plate；The roof center is provided with what is passed through for connecting rod
Hole, small end are flexibly connected with the crank-pin, and its lower end is flexibly connected with bearing, are detachably provided with the downside of the bearing
Top board, the top board are provided with multiple the first circular holes coordinated with support bar, base, the upper pressure are fixed with the bottom plate
Plate on the base with being equipped with spring base.
Preferably, first crank arm and the second crank arm are provided with multiple second circular holes, the crank-pin both ends
Screw thread is opened up, the crank-pin both ends are fixed after being each passed through second circular hole with nut.
Preferably, the connecting rod is hinged with the bent axle and bearing respectively.
Preferably, the small end is fixed with second bearing, the inner ring of the second bearing is consolidated with the crank-pin
It is fixed；The connecting rod lower end is fixed with 3rd bearing, and the 3rd bearing inner ring is fixed with a bearing pin, and the bearing pin is fixed on bearing
Top.
Preferably, multiple stabiliser bars are provided between the top plate and the support bar.
Preferably, the shaft coupling is drum-shaped tooth type shaft coupling.
Preferably, the clutch shaft bearing, second bearing and 3rd bearing are roller bearing.
Beneficial effect：The utility model uses Frequency Converter Control motor, and this testing machine can be made to meet that different compression frequencies will
The spring asked carries out fatigue test, by adjusting the fixed position of crank-pin and crank arm, this testing machine can be made to be applied to difference
The spring of height carries out fatigue test.
Brief description of the drawings
Fig. 1 is the structural representation of spring fatigue test device；
Fig. 2 is the crank arm and crank-pin cooperation schematic diagram of spring fatigue test device；
Fig. 3 is spring fatigue test device bar linkage structure schematic diagram.
Embodiment
The utility model is furtherd elucidate with reference to specific accompanying drawing, present embodiment is with the utility model technology
Implemented under premised on scheme, it should be understood that these modes are merely to illustrate the utility model rather than limitation the utility model
Scope.
As shown in figure 1, the utility model embodiment discloses a kind of spring fatigue test device, it includes multiple cylindric
Support bar 1, support bar 1 be preferably four, multiple support bars 1 are vertically arranged, and its upper/lower terminal is respectively fixed with the He of top plate 2
Bottom plate 3, top plate 2 and bottom plate 3 are horizontally arranged.The upside of top plate 2 is fixed with motor cabinet 4, and one is provided with motor cabinet 4
Motor 5, motor 5 are connected with frequency converter, and frequency converter can lead to the rotational speed regulation of motor 5 to the rotating speed needed, the drive shaft of motor 5
Cross shaft coupling 6 to be connected with a bent axle 7, bent axle 7 can rotate with the drive shaft of motor 5.
As shown in figure 1, bent axle 7 includes the first trunnion 71, the second trunnion 72, the first crank arm 73, the second crank arm
74 and crank-pin 75, the first trunnion 71 can be to be fixed together again after separately manufacturing with the first crank arm 73, the second trunnion
72 can be to be fixed together with the second crank arm 74 again after separately manufacturing, the first trunnion 71 and the first crank arm 73 and second
Trunnion 72 is formed with 74 preferred integrally casting of the second crank arm.Crank-pin 75 is arranged on the first crank arm 73 and the second crank arm
Between 74.
As shown in figure 1, the first trunnion 71 is fixed with shaft coupling 6, the second trunnion 72 is provided with clutch shaft bearing 8, first
Bearing 8 is arranged in the bearing block 10 set on pedestal 9, and pedestal 9 is fixed on top plate 2；The center of top plate 2 is provided with and supplies connecting rod
11 holes 12 passed through, the upper end of connecting rod 11 are flexibly connected with crank-pin 75, and its lower end is flexibly connected with bearing 13, and flexible connection can be with
When the bent axle 7 is rotated with motor 5, by the up and down motion for being converted into bearing 13 of bent axle 7.The mode of flexible connection has more
Kind, as connecting rod 11 is be hinged with bent axle 7 and bearing 13 respectively, as shown in figures 1 and 3, the utility model is preferably in the upper end of connecting rod 11
Second bearing 17 is fixed with, the medium position of the inner ring and crank-pin 75 of second bearing 17 is fixed；Equally, consolidate in the lower end of connecting rod 11
Surely there is 3rd bearing 18, the inner ring of 3rd bearing 18 is fixed with a bearing pin 19, and the both ends of bearing pin 19 open up screw thread, with nut by bearing pin
19 are fixed on the top of bearing 13.The fixed form of second bearing 17 and 3rd bearing 18 is shown in Fig. 3, connecting rod two ends about 11
Coordinate with two bearing glands 20 and open up out a bearing chamber and multiple screws, after bearing is put into bearing chamber, bearing gland 20 is with connecting
Bar 11 is fixed by multiple screws respectively.The downside of bearing 13 is detachable to be provided with top board 14, and top board 14 is provided with multiple with propping up
The first circular hole that strut 1 coordinates, base 15 is fixed with bottom plate 3, top board 14 on the base with being equipped with spring base 16.
As a kind of preferred embodiment of the present utility model, as shown in Fig. 2 the first crank arm 73 and the second crank arm 74
Middle part is provided with multiple second circular holes 76, and the both ends of crank-pin 75 open up screw thread, and the both ends of crank-pin 75 are each passed through second circular hole
Fixed after 76 with nut 77.Different circular holes is passed through by adjusting crank-pin, this fatigue tester can be made to be applied to different height
The spring of degree.
Because top plate 2 is provided with multiple parts, in order to prevent top plate 2 to be oppressed deformation, in the upper of top plate 2 and support bar 1
Multiple stabiliser bars 21 are provided between portion.The position that stabiliser bar 21 and support bar 1 are fixed should not the scope that top board 14 moves it
It is interior, prevent top board 14 from being collided with stabiliser bar 21.
As the presently preferred embodiments, the utility model shaft coupling 6 is drum-shaped tooth type shaft coupling.Drum-shaped tooth type shaft coupling belongs to firm
Flexible coupling, have radially, axially and it is angular wait axis deviation compensation ability, have that compact-sized, the radius of gyration is small, carrying
The advantages that ability is big, transmission efficiency, noise are low and maintenance cycle is long.
As the presently preferred embodiments, clutch shaft bearing 8, second bearing 17 and 3rd bearing 18 are roller bearing, what it was supported
Contact surface is bigger than ball bearing, can bear bigger load.
In summary, the utility model uses Frequency Converter Control motor, and this testing machine can be made to meet that different compression frequencies will
The spring asked carries out fatigue test, by adjusting the fixed position of crank-pin and crank arm, this testing machine can be made to be applied to difference
The spring of height carries out fatigue test.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (7)
- A kind of 1. spring fatigue test device, it is characterised in that including multiple support bars, the multiple support bar is vertically arranged, Its upper/lower terminal is respectively fixed with top plate and bottom plate；Motor cabinet is fixed with the upside of the top plate, motor is arranged on the motor cabinet On, the motor is connected with frequency converter, and the drive shaft of the motor is connected by shaft coupling with bent axle, and the bent axle includes first Trunnion, the second trunnion, the first crank arm, the second crank arm and crank-pin, first trunnion and the first crank arm connect Connect, second trunnion is connected with the second crank arm；The crank-pin is arranged on first crank arm and the second crank arm Between；First trunnion is fixed with the shaft coupling, and second trunnion is provided with clutch shaft bearing, the clutch shaft bearing In the bearing block set on pedestal, the pedestal is fixed on the top plate；The roof center is provided with for connecting The hole that bar passes through, small end are flexibly connected with the crank-pin, and its lower end is flexibly connected with bearing, removable on the downside of the bearing Unloading and top board is installed, the top board is provided with multiple the first circular holes coordinated with support bar, and base is fixed with the bottom plate, The top board on the base with being equipped with spring base.
- 2. a kind of spring fatigue test device according to claim 1, it is characterised in that first crank arm and second Crank arm is provided with multiple second circular holes, and the crank-pin both ends open up screw thread, and the crank-pin both ends are each passed through described Fixed after two circular holes with nut.
- A kind of 3. spring fatigue test device according to claim 1, it is characterised in that the connecting rod respectively with the song Axle and bearing are hinged.
- 4. a kind of spring fatigue test device according to claim 1, it is characterised in that the small end is fixed with Two bearings, the inner ring of the second bearing are fixed with the crank-pin；The connecting rod lower end is fixed with 3rd bearing, and the described 3rd Bearing inner race is fixed with a bearing pin, and the bearing pin is fixed on the top of bearing.
- 5. a kind of spring fatigue test device according to claim 1, it is characterised in that the top plate and the support bar Between be provided with multiple stabiliser bars.
- 6. a kind of spring fatigue test device according to claim 1, it is characterised in that the shaft coupling is drum-shaped tooth type Shaft coupling.
- 7. a kind of spring fatigue test device according to claim 3, it is characterised in that the clutch shaft bearing, the second axle It is roller bearing to hold with 3rd bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720783480.2U CN207114148U (en) | 2017-06-30 | 2017-06-30 | A kind of spring fatigue test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720783480.2U CN207114148U (en) | 2017-06-30 | 2017-06-30 | A kind of spring fatigue test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207114148U true CN207114148U (en) | 2018-03-16 |
Family
ID=61587465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720783480.2U Expired - Fee Related CN207114148U (en) | 2017-06-30 | 2017-06-30 | A kind of spring fatigue test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207114148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822637A (en) * | 2020-07-01 | 2020-10-27 | 营口锻压机床有限责任公司 | Servo type flexible walking beam mechanism of hot die forging press |
-
2017
- 2017-06-30 CN CN201720783480.2U patent/CN207114148U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822637A (en) * | 2020-07-01 | 2020-10-27 | 营口锻压机床有限责任公司 | Servo type flexible walking beam mechanism of hot die forging press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180316 Termination date: 20190630 |