CN207081541U - Mandrel Ω spring fatigue device for testing strength - Google Patents
Mandrel Ω spring fatigue device for testing strength Download PDFInfo
- Publication number
- CN207081541U CN207081541U CN201720937674.3U CN201720937674U CN207081541U CN 207081541 U CN207081541 U CN 207081541U CN 201720937674 U CN201720937674 U CN 201720937674U CN 207081541 U CN207081541 U CN 207081541U
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- CN
- China
- Prior art keywords
- mandrel
- push rod
- bed die
- gag lever
- lever post
- 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 mandrel Ω spring fatigue device for testing strength, its drip irrigation device is, including workbench, the workbench is provided with for mandrel placement and the bed die spacing to mandrel bottom radial direction, bed die limits the gag lever post of its rotation provided with mandrel middle part or top is extended radially through, workbench is provided with support, and horizontal movement push rod flexible to the elastic component of its axial limiting and traction mandrel upper end above mandrel and the reciprocating apparatus of driving push rod are provided with the upside of support.By using above-mentioned technical proposal, the bottom of mandrel is placed on bed die；The upside of the mandrel fixed has the push rod of horizontal movement, and push rod moves in the top of end face of mandrel, and push rod promotes elastic component to carry out elastic component fatigue resistance detection；At the same time, axial limiting is carried out above push rod activity to the end of mandrel to it, gag lever post ensures that mandrel does not drive rotation by the reasoning of push rod, the active force that push rod is released is acted on to elastic component.
Description
Technical field
The testing equipment field of auto parts and components is the utility model is related to, more particularly to a kind of mandrel Ω spring fatigue intensity
Verifying attachment.
Background technology
There is related auto-lock function, the realization of auto-lock function needs to apply to the elasticity in mandrel in Webbing retractor
Part is aided in, as shown in figure 1, the body of mandrel 1 has the groove 2 of radial direction, ribbon is attached in groove 2, on the shaft end of mandrel 1
Elastic component is installed（Not shown in figure）, elastic component is Ω springs, and Ω springs are attached to the fixing end 31 of the shaft end of mandrel 1 and lived
On moved end 32, Ω spring elongations or withdrawal are pullled in the activity of movable end 32.Part of the Ω springs as frequent reciprocating action, easily send out
Raw fatigue damage, can not reach self-locking purpose, potential safety hazard is more serious, therefore, it is necessary to detection means is examined to it in the course of time
Survey, meet that the mandrel of certain fatigue resistance just can mount on coiler.
Utility model content
The purpose of this utility model is to provide a kind of mandrel Ω spring fatigue device for testing strength, and it has convenient detection core
The advantages of fatigue resistance of axle spring.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of mandrel Ω spring fatigue device for testing strength, including workbench, the workbench is provided with to be placed for mandrel
And to mandrel bottom radially spacing bed die, bed die, which is provided with, to be extended radially through in the middle part of mandrel or top limits the spacing of its rotation
Bar, workbench are provided with support, and horizontal movement is provided with the upside of support above mandrel to its axial limiting and traction mandrel upper end
The flexible push rod of elastic component and driving push rod reciprocating apparatus.
By using above-mentioned technical proposal, the bottom of mandrel is placed on bed die, while mandrel is placed on bed die,
Worn in the middle part of mandrel to gag lever post, upper and lower 2 points of radial support is formed on active position and the bottom of gag lever post, consolidates mandrel
It is fixed more firm；The upside of the mandrel fixed has the push rod of horizontal movement, and push rod moves in the top of end face of mandrel, push rod
Elastic component is promoted to carry out elastic component fatigue resistance detection；At the same time, it is carried out above push rod activity to the end of mandrel
Axial limiting, gag lever post ensure that mandrel does not drive rotation by the reasoning of push rod, the active force that push rod is released is acted on to elastic component
On.
Further set：The bed die includes base and has the groove being adapted with mandrel bottom on base.
By using above-mentioned technical proposal, the setting of groove is easy to mandrel is axially embedded to form an immobilizing foundation, after by
The side wall of groove is radially spacing to its body, completes the fixation of mandrel bottom.
Further set：The support is provided with the mounting seat being detachably connected for gag lever post, and mounting seat is provided with for limiting
The chute of position bar sliding connection and the fastening assembly of fastening limitation gag lever post sliding.
By using above-mentioned technical proposal, the diameter or structure of mandrel are different, the embedded limit formed needed for gag lever post
The depth of position is different, and gag lever post, which slides onto, ensures that depth is adjustable in the chute of mounting seat, make it more practical.
Further set：The fastening assembly is included located at the bolt hole of chute bottom and through connection gag lever post and installation
The fastener of seat, described gag lever post are provided with along chute direction for fastener in the waist type groove of interior slip.
By using above-mentioned technical proposal, after gag lever post sliding regulation, its position is fixed by fastener, slipping
In, the setting of waist-shaped hole avoids producing sliding interference to mutually avoid with fastener in slipping.
Further set：The gag lever post include dip section inside embedded mandrel and with dip section integrally connected and conflict
Endpiece to mandrel outer ring, the endpiece slides onto in the chute of mounting seat and fastening assembly and waist type groove are located on endpiece.
By using above-mentioned technical proposal, the dip section of gag lever post limits mandrel rotation, endpiece and mandrel inside mandrel
Outer ring it is inconsistent, aid in mandrel carry out radial direction limited support.
Further set：End of the push rod along itself launch direction is provided with recess.
By using above-mentioned technical proposal, the recess that push rod has can be produced preferably mutually with detected elastic component
The relation of linkage.
Further set：The reciprocating apparatus is reciprocating air cylinder, and reciprocating air cylinder linkage push rod is linearly released and resetted.
By using above-mentioned technical proposal, the linear activity of push rod is promoted by reciprocating air cylinder, and manufacturing cost is low, and past resurrection
Dynamic lasts a long time.
Further set：The bed die, gag lever post are additionally provided with the support and are located therein a bed die at least provided with two groups
The oil dripping device of upside, the oil dripping device are included in the dropper of mandrel upper end and are connected on workbench with dropper pipeline
Fuel tank and oil pump.
By using above-mentioned technical proposal, after mandrel is attached in coiler, the elastic component of mandrel needs plus lubricating oil drop
Low friction is lost, and on the one hand oil dripping device herein can more accurately simulate the environment of elastic component practical application, make detection more
Fitting is actual and more prepares；On the other hand can be in detection process, this assembly process of completion oil dripping, there is provided efficiency of assembling.
Further set：The support is provided with linear in the circumference range on the upside of the entrance of driving dropper or the mandrel that comes off
Drive device.
By using above-mentioned technical proposal, dropper will be moved to the upside of mandrel, and mandrel is more inconvenient when position is fixed,
Dropper is arranged to activity, is easy to mandrel to place, then postorder oil dripping, staff's operation are more convenient.
Further set：Bed die on the downside of the oil dripping device is located at the left side of the bed die under reciprocating apparatus.
By using above-mentioned technical proposal, the operating habit of big department personnel is catered to, left hand is first passed through and takes required drop
The mandrel of oil carries out oil dripping, and oil dripping is moved to right side and detected, again removed mandrel by the right hand after detection later.
In summary, the utility model has the advantages that：Pass through above-mentioned mandrel Ω spring fatigue ruggedness tests
Device can be oiled to mandrel, and fatigue resistance inspection can be being carried out to the elastic component after oiling by push rod after oiling
Survey, improve the efficiency of mandrel assembling and the degree of accuracy of detection.
Brief description of the drawings
Fig. 1 is the structural representation of the mandrel with elastic component；
Fig. 2 is the structural representation of mandrel Ω spring fatigue device for testing strength；
Fig. 3 is the structural representation of bed die；
Fig. 4 is the structural representation of push rod；
Fig. 5 is oil dripping device and the structural representation of detection means.
In figure, 1, mandrel；2nd, groove；31st, fixing end；32nd, movable end；4th, workbench；5th, support；6th, bed die；61st, left bottom
Mould；62nd, right bed die；7th, oil dripping device；8th, detection means；9th, base；91st, groove；10th, mounting seat；11st, chute；12nd, stretch into
Section；13rd, endpiece；14th, gag lever post；15th, bolt hole；16th, waist type groove；17th, fastening assembly；18th, dropper；19th, fuel tank；20th, it is linear
Drive device；21st, push rod；22nd, recess；23rd, reciprocating apparatus.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment 1：
A kind of mandrel Ω spring fatigue device for testing strength, as shown in figure 1, including workbench 4 and on workbench 4
Support 5.Workbench 4, which is provided with, to be placed for mandrel 1 and to the bottom of mandrel 1 radially spacing bed die 6, bed die 6 at least provided with two,
Using the table top of workbench 4 as reference, left and right is respectively distributed one.Oil dripping device 7 is respectively provided with the support 5 of each upside of bed die 6
With detection means 8, oil dripping device 7 is located at the left side of workbench 4.
For the ease of statement, structure identical bed die 6 is divided into left bed die 61 and right bed die 62 according to position.
With reference to the left bed die 61 of figure 2, left bed die 61 includes base 9 and the groove 91 on base 9.Groove 91 is ladder
Hole, the bottom of mandrel 1 are embedded to matched in shoulder hole.Shoulder hole can make mandrel 1 axially embedded, by the side wall of shoulder hole
It is radially spacing to its body, complete the fixation of the bottom of mandrel 1.
With reference to figure 3, because the groove 2 for ribbon installation with radial direction of mandrel 1, bed die 6 are provided with and extend radially through core
The gag lever post 14 of the groove 2 of axle 1, gag lever post 14 in the middle part or top of mandrel 1, be on the one hand collectively forming two with groove 91
Point support, on the other hand limits the body rotation of mandrel 1.
With reference to figure 3 and Fig. 4, support 5 is provided with the mounting seat 10 being detachably connected for gag lever post 14.Mounting seat 10 is provided with
For the chute 11 of the sliding connection of gag lever post 14, gag lever post 14 include dip section 12 inside embedded mandrel 1 and with dip section 12 1
The endpiece 13 of body connection, the width of dip section 12 coordinate with the gap of groove 2 of mandrel 1, and the width of endpiece 13 is more than the logical of mandrel 1
The groove width of groove 2, after dip section 12 is embedded in groove 2, the end face between endpiece 13 and dip section 12 is contradicted to the outer ring of mandrel 1.
With reference to figure 4, the endpiece 13 of gag lever post 14 is slid onto in the chute 11 of mounting seat 10.And it is provided with and will limits on endpiece 13
The position spacing fastening assembly 17 in chute 11 of bar 14.Fastening assembly 17 includes being located at the bolt hole 15 of the bottom of chute 11 and run through
Gag lever post 14 and the fastener of mounting seat 10 are connected, fastener can be screw or bolt（Not shown in figure）, on gag lever post 14
Provided with along the direction of chute 11 for fastener in the waist type groove 16 of interior slip.Endpiece 13 first unscrews fastener, so in sliding
After move gag lever post 14, fastener remains stationary, endpiece 13 on chute 11 while sliding, between waist type groove 16 and fastener
Relative sliding, tightening fastener parts again after being moved through.
With reference to figure 5, the oil dripping device 7 in the left side of workbench 4 is included in the dropper 18 of the upper end of mandrel 1 and connected with the pipeline of dropper 18
The fuel tank 19 and oil pump 24 connect.Dropper 18 is attached on support 5 by linear actuating device 20, and mailbox and oil pump 24 are fixed to work
Make on platform 4.Linear actuating device 20 is cylinder, and the output shaft horizontal reciprocating of cylinder passes through the release of cylinder to the upside of mandrel 1
Or reset, dropper 18 is entered or is come off in the circumference range of the upside of mandrel 1.When needing fixed central spindle 1, cylinder is withdrawn, just
It is placed in staff in groove 91；After mandrel 1 places, cylinder releases the top that linkage dropper 18 is moved to mandrel 1,
And the oil pump 24 of logical plc controls drives oil dripping, plc controls a kind of this means more relatively simple conventional hand in the prior art
Section, therefore other explanation is not done.
After the oil dripping of mandrel 1, the mandrel 1 after staff will oil is moved on right bed die 62.The branch of right bed die 62
The upside of frame 5 is provided with the reciprocating apparatus 23 of push rod 21 and driving push rod 21 of the horizontal movement above mandrel 1.Reciprocating apparatus 23 is past
Multiple cylinder, end of the push rod 21 along itself launch direction are provided with recess 22, are joined by recess 22 and the elastic component of the end of mandrel 1
It is dynamic.When reciprocating air cylinder is released, the linkage elastic component horizontal stretch of push rod 21, when cylinder resets, elastic component resets simultaneously, so past
It is multiple, measure the fatigue resistance of elastic component.Design parameter can be recorded the reciprocal time of reciprocating air cylinder by plc.
The above embodiments are only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (10)
1. a kind of mandrel Ω spring fatigue device for testing strength, including workbench（4）, it is characterised in that：The workbench（4）On
Provided with for mandrel（1）Place and to mandrel（1）The spacing bed die of bottom radial direction（6）, bed die（6）It is provided with and extends radially through mandrel
（1）Middle part or top limit the gag lever post of its rotation（14）, workbench（4）It is provided with support（5）, support（5）Upside is provided with water
It is flat to move in mandrel（1）Top is to its axial limiting and traction mandrel（1）The flexible push rod of the elastic component of upper end（21）And driving
Push rod（21）Reciprocating apparatus（23）.
2. mandrel Ω spring fatigue device for testing strength according to claim 1, it is characterised in that：The bed die（6）Bag
Include base（9）With located at base（9）On have and mandrel（1）The groove that bottom is adapted（91）.
3. mandrel Ω spring fatigue device for testing strength according to claim 2, it is characterised in that：The support（5）On
Provided with for gag lever post（14）The mounting seat being detachably connected（10）, mounting seat（10）It is provided with and supplies gag lever post（14）Sliding connection
Chute（11）Gag lever post is limited with fastening（14）The fastening assembly of sliding（17）.
4. mandrel Ω spring fatigue device for testing strength according to claim 3, it is characterised in that：The fastening assembly
（17）Including located at chute（11）The bolt hole of bottom（15）With through connection gag lever post（14）And mounting seat（10）Fastener,
Described gag lever post（14）It is provided with along chute（11）Direction is for fastener in the waist type groove of interior slip（16）.
5. mandrel Ω spring fatigue device for testing strength according to claim 4, it is characterised in that：The gag lever post（14）
Including embedded mandrel（1）Internal dip section（12）With with dip section（12）Integrally connected and contradict to mandrel（1）On outer ring
Endpiece（13）, the endpiece（13）Slide onto mounting seat（10）Chute（11）Interior and fastening assembly（17）With waist type groove（16）Position
In endpiece（13）On.
6. mandrel Ω spring fatigue device for testing strength according to claim 1, it is characterised in that：The push rod（21）Edge
The end of itself launch direction is provided with recess（22）.
7. mandrel Ω spring fatigue device for testing strength according to claim 1, it is characterised in that：The reciprocating apparatus
（23）For reciprocating air cylinder, reciprocating air cylinder linkage push rod（21）It is linear to release and reset.
8. mandrel Ω spring fatigue device for testing strength according to claim 5, it is characterised in that：The bed die（6）, limit
Position bar（14）At least provided with two groups, the support（5）On be additionally provided with and be located therein a bed die（6）The oil dripping device of upside（7）, institute
State oil dripping device（7）It is included in mandrel（1）The dropper of upper end（18）With positioned at workbench（4）Upper and dropper（18）Pipeline connection
Fuel tank（19）And oil pump（24）.
9. mandrel Ω spring fatigue device for testing strength according to claim 8, it is characterised in that：The support（5）On
Provided with driving dropper（18）Into or the mandrel that comes off（1）Linear actuating device in the circumference range of upside（20）.
10. mandrel Ω spring fatigue device for testing strength according to claim 8 or claim 9, it is characterised in that：The oil dripping dress
Put（7）The bed die of downside（6）Positioned at reciprocating apparatus（23）Under bed die（6）Left side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720937674.3U CN207081541U (en) | 2017-07-28 | 2017-07-28 | Mandrel Ω spring fatigue device for testing strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720937674.3U CN207081541U (en) | 2017-07-28 | 2017-07-28 | Mandrel Ω spring fatigue device for testing strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207081541U true CN207081541U (en) | 2018-03-09 |
Family
ID=61423793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720937674.3U Expired - Fee Related CN207081541U (en) | 2017-07-28 | 2017-07-28 | Mandrel Ω spring fatigue device for testing strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207081541U (en) |
-
2017
- 2017-07-28 CN CN201720937674.3U patent/CN207081541U/en not_active Expired - Fee Related
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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: 20180309 Termination date: 20200728 |