CN106840631A - A kind of spring testing machine - Google Patents
A kind of spring testing machine Download PDFInfo
- Publication number
- CN106840631A CN106840631A CN201710077250.9A CN201710077250A CN106840631A CN 106840631 A CN106840631 A CN 106840631A CN 201710077250 A CN201710077250 A CN 201710077250A CN 106840631 A CN106840631 A CN 106840631A
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- China
- Prior art keywords
- compression
- spring
- limit device
- axle
- eccentric wheel
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 72
- 230000006835 compression Effects 0.000 claims abstract description 89
- 238000007906 compression Methods 0.000 claims abstract description 89
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 22
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000009661 fatigue test Methods 0.000 abstract description 5
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The invention discloses a kind of spring testing machine, mainly include main shaft, motor, eccentric wheel, left compression axle, left limit device, right compression axle, right limit device and counter, motor is rotated by main shaft drives eccentric wheel, left compression axle and right compression axle are respectively arranged in eccentric wheel both sides, left test spring is installed between left compression axle and left limit device, right test spring is installed between right compression axle and right limit device；The left compression axle of eccentric wheel drive of rotation and right compression left test spring and the right test spring of compression of axial period, left and right test spring is each independently installed, synchronously carry out fatigue test, this causes that spring testing machine of the invention while test two springs, and can not only be supported to test the spring of different model simultaneously.
Description
Technical field
The present invention relates to spring testing equipment field, more particularly to a kind of tired testing machine of detection spring.
Background technology
Spring be it is a kind of using natural resiliency come the machine components of work, be widely used in the every field of national product.
The species complexity of spring is various, by shape point, mainly there is helical spring, scroll spring, flat spring, heterotypic spring etc., wherein spiral shell
Rotation spring is most commonly seen.The essence of helical spring is an accumulator, and its groundwork mode is stored in the presence of external force
Energy, releases energy after external force is removed.Therefore, the course of work of helical spring is a compression-recovery for constantly repeating
The process of (or stretching-recover), it is tired that the course of work of this continuous repetition can cause spring to occur after permanent use
Labor fails.In order to ensure product quality and industrial safety, it is necessary to carry out fatigue test to spring and determine the tired of spring
Labor parameter.The damage parameters of helical spring need to use the fatigue tester of specialty to be measured by experiment, the fatigue of prior art
Testing machine can only typically be directed to single spring or the spring of multiple same models is tested, and testing efficiency is not high.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of spring that can be simultaneously to different model and carries out testing fatigue
Testing machine.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of spring testing machine, including：
Main shaft；
Driver, driver drives main shaft rotation can be used the rotation of motor drive shaft；
Eccentric wheel, eccentric wheel is arranged on main shaft；
Left compression axle, left compression is arranged on left pedestal with axle, and the right-hand member of left compression axle is located near eccentric wheel, rotation
The eccentric wheel for turning periodically drives left compression axially left horizontal movement；
Left limit device, left limit device is located at the left end of left compression axle, is provided between left limit device and left compression axle
Gap for installing spring to be tested；
Right compression axle, on Right socle, right compression axle and left compression are conllinear with axle, right compression for right compression axle
Eccentric wheel both sides are distributed in axisymmetric with left compression with axle, the eccentric wheel of rotation periodically drives right compression axially right
Horizontal movement；
Right limit device, right limit device is located at the right-hand member of right compression axle, is provided between right limit device and right compression axle
Gap for installing spring to be tested；
Counter, counter records test the compression number of times of spring.
Spring testing machine of the invention can respectively place a test spring in the outside of left and right compression axle, and eccentric wheel exists
(i.e. eccentric wheel rotates a circle) completes each once to the compression of left test spring and right test spring in one swing circle, eccentric
Wheel periodically constantly compresses left test spring and right test spring until the fatigue failure such as test spring appearing crack, fracture is special
Levy；Now, the compression total degree of counter records is that can be used as spring fatigue parameter.
The parts that wear and tear in order to avoid the permanent sliding friction of the termination generation of eccentric wheel and left and right compression axle, it is eccentric
The sliding friction between eccentric wheel and left and right compression axle can be changed into by rolling friction with one bearing of ring set on wheel.
Further, linear bearing, the right compression axle and the right side are provided between the left compression axle and left pedestal
Linear bearing is provided between pedestal, linear bearing can reduce the mill between left and right compression axle and each self-corresponding pedestal
Damage.
Further, the left limit device is arranged on left limit pedestal, screw thread between left limit device and left limit pedestal
Connection；Threaded connection causes that the position of left limit device is adjustable, it means that between left limit device and left compression axle
Gap width is adjustable, to install the spring of different length；Based on it is identical the reasons why, the right limit device be arranged on the right side
On spacing pedestal, it is threadedly coupled between right limit device and right limit pedestal.
Further, the surface of left limit device and right limit device is provided with external screw thread, and two locking nuts distinguish ring set
On left limit device and right limit device；After the position of left and right limiter is by suitable adjustment, locking nut is screwed
The position of fixed left and right limiter.
Further, the right-hand member of the left limit device is provided with the first pad, the surface of the first pad and left compression axle
Left end be provided with mounting hole for installing spring to be tested.
Further, the right-hand member of the right compression axle is provided with bolt, and bolt is used to install spring to be tested；Right limit
The inner hollow of position device, the cap portion of bolt is located at the hollow interior of right limit device, and the left end of right limit device is closed by the second pad, spiral shell
The diameter of the circular hole with diameter greater than the second pad center in the cap portion of bolt.
Beneficial effect：(1) spring testing machine of the invention is all with axle using the eccentric left compression axle of wheel drive and right compression
Left test spring and the right test spring of compression of phase property, two kinds of test springs are each independently installed, while fatigue test is carried out, this
So that spring testing machine of the invention not only can simultaneously test two springs, and support to test the bullet of different model simultaneously
Spring.(2) using being threadedly coupled between the limiter of spring testing machine of the present invention and spacing pedestal, the convenient limiter that adjusts is with compression
With the distance between axle to install the spring of different size, the scope of application of spring testing machine is expanded.(3) spring of the present invention
The swing circle of the eccentric wheel of testing machine is consistent with the press cycles of test spring, by direct by the rotating speed for controlling driver
The press cycles of control test spring, simplify the structure of spring testing machine.
Brief description of the drawings
Fig. 1 is the front view of spring testing machine of the present invention.
Fig. 2 is the left view of spring testing machine of the present invention.
Fig. 3 is the A enlarged drawings of Fig. 1.
Fig. 4 is the B enlarged drawings of Fig. 1.
Fig. 5 is the C enlarged drawings of Fig. 2.
Wherein：1st, main shaft；2nd, main spindle box；3rd, table top；4th, the first belt pulley；5th, eccentric wheel；6th, back-up ring；7th, split pin；8、
Bearing；9th, jump ring；10th, motor；11st, the second belt pulley；12nd, V belt；13rd, left compression axle；14th, left pedestal；15th, straight line
Bearing；16th, spacer；17th, left limit device；18th, left limit pedestal；19th, locking nut；20th, the first pad；21st, left test spring；
22nd, right compression axle；23rd, Right socle；24th, right limit device；25th, bolt；26th, right test spring；27th, the second pad；28th, right limit
Position pedestal.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Embodiment 1
As shown in Figures 1 to 5, the spring testing machine of the present embodiment includes：
Main shaft 1, main shaft 1 is arranged in main spindle box 2, and main spindle box 2 is placed on the table top 3 of spring testing machine, and the one of main shaft 1
End connects the first belt pulley 4 using flat key；The other end of main shaft 1 is as shown in figure 5, eccentric wheel 5 is arranged on main shaft 1 using flat key
On, back-up ring 6 and split pin 7 are installed in the outside of eccentric wheel 5, prevent eccentric wheel 5 from being come off from main shaft 1；Bearing 8 is installed on eccentric wheel 5,
The fixing bearing 8 of jump ring 9 prevents it from being come off from eccentric wheel 5；
Motor 10, motor 10 is arranged on the lower section of spring testing machine table top 3, and the rotating shaft of motor 10 connects second by flat key
Belt pulley 11, the second belt pulley 11 is connected with the first belt pulley 4 by the V belt 12 being tensioned；
Left compression axle 13, left compression is arranged on left pedestal 14 with axle 13, and left compression is between axle 13 and left pedestal 14
Two linear bearings 15 are provided with, are separated using spacer 16 between two linear bearings 15；The right-hand member of left compression axle 13 is located at
Near eccentric wheel 5, the eccentric wheel 5 of rotation periodically drives the left horizontal movement to the left of compression axle 13；
Left limit device 17, as shown in figure 3, left limit device 17 is a surface is provided with externally threaded pipe, left limit device
17 are arranged in the mounting hole of left limit pedestal 18, have internal thread, left limit device 17 upper ring cap, one locking screw in mounting hole
Female 19；Left limit device 17 is provided with the first pad 20 near one end of left compression axle 13, and the surface of the first pad 20 is provided with
One mounting hole for being used to install left test spring 21；Accordingly, the left end of left compression axle 13 is also equipped with for installing a left side
Test the mounting hole of spring 21；The two ends of left test spring 21 contact the first pad 20 and left compression axle 13, left compression respectively
With axle 13 in the presence of eccentric wheel 5 to the left motion compresses it is left test spring 21, with further rotating for eccentric wheel 5, spring
Promote left compression axle 13 to move right using its own resilient, moved in circles with this and realize the Repeated Compression examination of left test spring 21
Test；
Right compression axle 22, right compression is arranged on Right socle 23 with axle 22, and right compression is between axle 22 and Right socle 23
Two linear bearings 15 are provided with, are separated using spacer 16 between two linear bearings 15；Right compression is used with axle 22 with left compression
Axle 13 is conllinear, right compression axle 22 it is symmetrical with left compression axle 13 be distributed in the both sides of eccentric wheel 5, the cycle of eccentric wheel 5 of rotation
Property driving it is right compression use the horizontal movement to the right of axle 22；
Right limit device 24, right limit device 24 is located at the right-hand member of right compression axle 22, as shown in figure 4, right limit device 24 is one
Individual surface is provided with externally threaded pipe, and right limit device 24 is arranged in the mounting hole of right limit pedestal 28, tool in the mounting hole
There is internal thread, ring set is gone back on right limit device 24 locking nut 19；The right-hand member of right compression axle 22 is provided with bolt 25, spiral shell
Bolt 25 is used to install right test spring 26；The cap portion of bolt 25 is located at hollow interior, the left end of right limit device 24 of right limit device 24
Closed by the second pad 27, the diameter of the circular hole with diameter greater than the center of the second pad 27 in the cap portion of bolt 25, the cap of bolt 25
Portion is limited in the inner chamber of right limit device 24, and this structure can limit the return stroke of right test spring 26, to adapt to one
Need to carry out the spring of fatigue test under state of constant compression a bit；
Counter, counter records test the compression number of times of spring.
Spring testing machine of the invention can respectively place a test spring, eccentric wheel in the outside of left and right compression axle 22
5 in a swing circle (i.e. eccentric wheel 5 rotates a circle) complete to it is left test spring 21 and it is right test spring 26 compression it is each
Once, eccentric wheel 5 is periodic constantly compresses left test spring 21 and right test spring 26 until testing spring appearing crack, breaking
The fatigue failure feature such as split；Now, the compression total degree of counter records is that can be used as spring fatigue parameter；Left test spring 21
Model and specification with right test spring 26 are not limited, and the initial compression amount for testing spring can be entered by rotating left and right limiter 24
Row regulation, is locked after the completion of regulation using locking nut 19.
Although being illustrated to embodiments of the present invention in specification, these implementation methods are intended only as prompting,
Should not limit protection scope of the present invention.It is equal that various omission, substitution, and alteration are carried out without departing from the spirit and scope of the present invention
Should be comprising within the scope of the present invention.
Claims (7)
1. a kind of spring testing machine, it is characterised in that including：
Main shaft；
Driver, the rotation of driver drives main shaft；
Eccentric wheel, eccentric wheel is arranged on main shaft；
Left compression axle, left compression is arranged on left pedestal with axle, and the right-hand member of left compression axle is located near eccentric wheel, rotation
Eccentric wheel periodically drives left compression axially left horizontal movement；
Left limit device, left limit device be located at left compression axle left end, be provided between left limit device and left compression axle for
The gap of spring to be tested is installed；
Right compression axle, right compression is arranged on Right socle with axle, and right compression axle and left compression are conllinear with axle, right compression axle
Eccentric wheel both sides are distributed in axisymmetric with left compression, the eccentric wheel of rotation periodically drives right compression axially right level
Motion；
Right limit device, right limit device be located at right compression axle right-hand member, be provided between right limit device and right compression axle for
The gap of spring to be tested is installed；
Counter, counter records test the compression number of times of spring.
2. spring testing machine according to claim 1, it is characterised in that：The eccentric wheel upper ring cap has bearing.
3. spring testing machine according to claim 1, it is characterised in that：Set between the left compression axle and left pedestal
There is linear bearing, linear bearing is provided between the right compression axle and Right socle.
4. spring testing machine according to claim 1, it is characterised in that：The left limit device is arranged on left limit pedestal
On, it is threadedly coupled between left limit device and left limit pedestal；The right limit device be arranged on right limit pedestal on, right limit device with
It is threadedly coupled between right limit pedestal.
5. spring testing machine according to claim 4, it is characterised in that：Also include locking nut, left limit device and right limit
The surface of position device is provided with external screw thread, and two locking nut difference ring sets are on left limit device and right limit device.
6. spring testing machine according to claim 1, it is characterised in that：The right-hand member of the left limit device is provided with the first pad
The left end of piece, the surface of the first pad and left compression axle is provided with the mounting hole for installing spring to be tested.
7. spring testing machine according to claim 1, it is characterised in that：The right-hand member of the right compression axle is provided with spiral shell
Bolt, bolt is used to install spring to be tested；The inner hollow of right limit device, the cap portion of bolt is located at the hollow of right limit device
Interior, the left end of right limit device is closed by the second pad, the diameter of the circular hole with diameter greater than the second pad center in the cap portion of bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710077250.9A CN106840631A (en) | 2017-02-14 | 2017-02-14 | A kind of spring testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710077250.9A CN106840631A (en) | 2017-02-14 | 2017-02-14 | A kind of spring testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106840631A true CN106840631A (en) | 2017-06-13 |
Family
ID=59128606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710077250.9A Pending CN106840631A (en) | 2017-02-14 | 2017-02-14 | A kind of spring testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106840631A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864885A (en) * | 2019-11-19 | 2020-03-06 | 山东劳动职业技术学院（山东劳动技师学院） | Horizontal spring fatigue testing machine |
| CN116067597A (en) * | 2023-04-06 | 2023-05-05 | 徐州香梦源家具有限公司 | Mattress spring compression testing arrangement |
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2017
- 2017-02-14 CN CN201710077250.9A patent/CN106840631A/en active Pending
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| CN102672822A (en) * | 2012-06-01 | 2012-09-19 | 如皋市中正机械有限公司 | Spring die-closing bolt |
| CN104533560A (en) * | 2014-12-26 | 2015-04-22 | 潍柴动力股份有限公司 | Valve actuating mechanism of engine and push rod of valve actuating mechanism |
| CN204646839U (en) * | 2015-05-20 | 2015-09-16 | 山东泰丰液压股份有限公司 | Hydraulic control valving mechanisms |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864885A (en) * | 2019-11-19 | 2020-03-06 | 山东劳动职业技术学院（山东劳动技师学院） | Horizontal spring fatigue testing machine |
| CN110864885B (en) * | 2019-11-19 | 2021-07-20 | 山东劳动职业技术学院（山东劳动技师学院） | Horizontal spring fatigue testing machine |
| CN116067597A (en) * | 2023-04-06 | 2023-05-05 | 徐州香梦源家具有限公司 | Mattress spring compression testing arrangement |
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