CN108152032A - A kind of lock fatigue tester - Google Patents
A kind of lock fatigue tester Download PDFInfo
- Publication number
- CN108152032A CN108152032A CN201810230621.7A CN201810230621A CN108152032A CN 108152032 A CN108152032 A CN 108152032A CN 201810230621 A CN201810230621 A CN 201810230621A CN 108152032 A CN108152032 A CN 108152032A
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- shaft
- frame
- lock
- fixture
- motor
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- 238000012360 testing method Methods 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 description 4
- 238000009661 fatigue test Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 208000007101 Muscle Cramp Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012827 research and development 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a kind of lock fatigue tester, including：Rotating shaft unit；Frame, bottom end are packed in shaft, are equipped on the frame for the fixture of fixed lock；Unlocking unit, including the second motor, support plate and driving lever, the second motor is mounted on frame roof, and the driving lever includes connecting portion and shifting block portion, dials head end and is correspondingly arranged with fixture downwards；Unit is shut, is arranged on shaft side, fixture locking button is carried out hitting sealed striker including being used for, the striker and fixture are correspondingly arranged.A kind of lock fatigue tester described in the invention, beat drives lock to swing to frame around the shaft, it often swings primary realize and shuts unlocking operation, it is realized by this testing machine and latches automatic fatigue detecting, in the experimentation, locking speed, unlocking torque, cycle-index are monitored in real time, the tester architecture is reliable and stable, production cost is relatively low, ensure that good test efficiency and precision.
Description
Technical field
The invention belongs to lock fatigue rig field, more particularly, to a kind of lock fatigue tester.
Background technology
After such as seat lock production of automobile auxiliary, need to carry out the seat lock catch fatigue test, that is, logical
It crosses setting speed to unlock for several times, shut experiment, obtains circulation action number and unlocking use torque when latching fatigue damage, by
This examines whether the intensity of lock meets design requirement, therefore how convenient and efficient to carry out fatigue experiment to lock be this field skill
The new research and development subject of art personnel.
Invention content
In view of this, the invention is directed to a kind of lock fatigue tester, to meet seat lock catch fatigue
Test requirements document.
In order to achieve the above objectives, the technical solution of the invention is realized in：
A kind of lock fatigue tester, including：
Rotating shaft unit is mounted on support including horizontally disposed shaft and the first motor that the shaft is controlled to rotate, shaft
On seat；
Frame, bottom end are packed in shaft, are driven frame member by shaft, are equipped on the frame for fixed lock
Fixture；
Unlocking unit, including the second motor, support plate and driving lever, the second motor is mounted on frame roof, main shaft and turns
Axis is parallel, and support plate bottom is mounted on the second electric machine main shaft, and moment sensing is equipped between support plate and the second electric machine main shaft
Device, the driving lever include connecting portion and shifting block portion, and connecting portion is mounted at the top of support plate, and it is corresponding with fixture downwards to dial head end
Setting；
Unit is shut, is arranged on shaft side, fixture locking button is carried out hitting sealed striker including being used for, the striker
It is rack-mount, and the striker and fixture are correspondingly arranged.
Further, clutch is equipped between first motor and shaft；
The frame is equipped with push plate, and the push element for frame to be resetted, reset member are equipped on the outside of the shaft
It part and shuts unit and is located at shaft homonymy, which is cylinder, hydraulic cylinder or electric pushrod, and push rod face push plate is set
It puts.
Further, this test machine further includes buffer limit unit, including setting up separately in the supporting rack of shaft both sides and every
The first collision block installed on a supporting rack, the frame is equipped with and corresponding second collision block of the first collision block.
Further, the frame includes the riser of two face settings, and two riser tops are connected with top plate, and two vertical
Plate bottom is connected with bottom plate, and bottom plate is extended in each riser bottom end, each riser is packed in by the elongated end in shaft；
On a fixture riser installed therein.
Further, the shaft is hollow shaft.
Further, the shaft outer end is equipped with tachogenerator.
Further, first motor and the second motor are respectively servo motor.
Relative to the prior art, a kind of lock fatigue tester described in the invention has the advantage that：
A kind of lock fatigue tester described in the invention, beat drives lock to swing to frame around the shaft, often swings
It is once shut by shutting the striker realization of unit, then will be latched and opened by unlocking unit, passed through this testing machine and realize lock
Automatic fatigue detecting in the experimentation, monitors locking speed, unlocking torque, cycle-index, the test machine in real time
Stable structure is reliable, and production cost is relatively low, ensure that good test efficiency and precision.
Description of the drawings
The attached drawing for forming the part of the invention is used for providing further understanding the invention, present invention wound
The illustrative embodiments and their description made do not form the improper restriction to the invention for explaining the invention.
In attached drawing：
Fig. 1 is this lock fatigue tester stereoscopic schematic diagram；
Fig. 2 is this lock fatigue tester left view；
Fig. 3 is this lock fatigue tester vertical view；
Fig. 4 is this lock fatigue tester unlocking unit front view；
Fig. 5 is this lock fatigue tester unlocking unit left view；
Fig. 6 is this lock fatigue tester frame perspective view；
Fig. 7 is the A enlarged drawings of Fig. 1
Reference sign：
1- workbench；2- rotating shaft units；21- bearings；
2- shafts；23- clutches；3- supporting racks；
The first collision blocks of 31-；4- displays；5- frames；
51- risers；52- top plates；53- bottom plates；
54- fixtures；The second collision blocks of 55-；57- push plates；
6- pushes element；7- unlocking units；71- pedestals；
The second motors of 72-；73- torque sensors；74- support plates；
75- driving levers；751- connecting portions；752- shifting blocks portion；
8- strikers；9- stents.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the invention can
To be combined with each other.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instructions such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the invention and simplifies description rather than instruction
Or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the invention.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can express or implicitly include one or more this feature.In the description of the invention, unless separately
It is described, " multiple " are meant that two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments creates.
As shown in figs. 1-7, a kind of lock fatigue tester, including workbench 1, rotating shaft unit 2, frame 5, unlocking unit 7
With display 4, wherein rotating shaft unit 2, including horizontally disposed shaft 22, shaft 22 is rotatably arranged on bearing 21, the bearing
21 are fixed on workbench 1, and shaft 22 is controlled by the first motor 24 and rotated, and 22 outer end of shaft is equipped with tachogenerator；
Frame 5, includes the riser 51 of two face settings, and two 51 tops of riser are connected with top plate 52, two 51 bottom of riser connections
There is bottom plate 53, top plate 52, bottom plate 53 and two risers 51 form square frame structure, and bottom plate is extended in each 51 bottom end of riser
53, each riser 51 is packed in by the elongated end in shaft 22, and the axis string pendulum around the shaft of frame 5 is driven when shaft 22 rotates
It is dynamic, because being equipped with fixture 54 on one of riser 51 in two risers 51, during fatigue test, for fixation will to be latched
On frame 5, frame 5, which is swung, drives fixture 54 to swing, and then lock is driven to swing, and realizes that lock is closed --- cycle of unlocking examination
Test pattern；Unlocking unit 7 includes the second motor 72, support plate 74 and driving lever 75, in this implementation, first motor 24 and second
Motor 72 is respectively servo motor, and the second motor 72 is mounted on top plate 52, and main shaft is parallel with shaft 22,74 bottom of support plate
On 72 main shaft of the second motor, and torque sensor 73 is equipped between 74 and second motor of support plate, 72 main shaft, passes through power
Torque needed for the detection unlocking of square sensor 73, torque sensor 73 are connected with controller, and controller collects the monitoring numerical value, so
The signal is input to display progress numerical value afterwards and shows that the driving lever 75 includes connecting portion 751 and shifting block portion 752, connecting portion
751 are mounted on 74 top of support plate, and 752 bottom end of shifting block portion is correspondingly arranged downwards with fixture 54, and the second motor 72 drives driving lever to turn
Dynamic, in driving lever rotation process, the shifting block portion of driving lever cramps out fixture locking, and the unlocking torque passes through torque sensor
It is detected；Unit is shut, is arranged on 22 side of shaft, the locking button of fixture 54 is carried out hitting sealed striker 8 including being used for,
The striker 8 is mounted on the stent 9 on workbench 1, and the striker 8 and fixture 54 are correspondingly arranged.This testing machine operation principle is,
Lock to be tested is fixed on fixture 54, such as in the present embodiment, is illustrated for shutting unit and being arranged on 22 left side of shaft, real
When testing beginning, shaft 22 rotates counterclockwise an angle to the left, which drives one angle of beat to the left of frame 5, frame 5
Lock and unlocking unit beat equal angular to the left are driven simultaneously, when the lock on fixture 54 and the shock of striker 8, lock is hit
Sealed, frame 5 stops swinging at this time, and the second motor 7 of unlocking unit rotates clockwise to the right an angle, drives driving lever suitable
Hour hands rotate, and since the unlocking portion in shifting block portion and lock is correspondingly arranged, dials in head moving process, unlocking portion is pulled open,
Thus by lock opening, shaft rotating speed is recorded respectively when completing once lock experiment, the unlocking torque and shock at this time, and
It is shown by display 4；Complete this time shut-unlocking action after, frame is repositioned to original state, is ready for next cycle
Test.
In this implementation, because the test is examined for high frequency time, therefore the first motor is damaged in order to prevent, extend the first motor
24 service life were equipped with clutch 23, and were gone to frame in shaft 22 by the first motor 24 between first motor 24 and shaft 22
Vertical plane position is to the left where axis, and the first motor is promoted to stall, and frame 4, which automatically continues, to be swung to the left until hitting striker
8；For 5 return of frame, 51 top of riser of frame 5 is equipped with push plate 57, and 22 outside of shaft is equipped with for by frame 5
The push element 6 of reset, the reset element 6 and shuts unit and is located at 22 homonymy of shaft, the push element be cylinder, hydraulic cylinder or
Electric pushrod, push rod face push plate 57 are set.After completing primary experiment, frame 5 is pushed back into initial work by pushing element
Make state.
In this implementation, this test machine further includes buffer limit unit, is included in what 22 left and right sides of shaft was set respectively
The first collision block 31 installed on one supporting rack 3 and each supporting rack 3, supporting rack 3 set on the table, are set on the frame 5
There are two the second collision blocks 55, and the second collision block 31 and the first collision block 55 are respectively correspondingly arranged；When namely shaft rotates counterclockwise, lead to
Cross first collision block 31 and corresponding second collision block 55 of the first collision block of left side in the left side of shaft 2, to frame 5 to the left beat when position
It puts and is defined, as a same reason, the first collision block second collision block corresponding with first collision block of right side on 22 right side of shaft, to frame
5 to the right beat position be defined, thereby guarantee that frame 2 is swung in the range of certain angle.
In this implementation, the shaft 22 is hollow shaft.
The foregoing is merely the preferred embodiments of the invention, are not intended to limit the invention creation, all at this
Within the spirit and principle of innovation and creation, any modification, equivalent replacement, improvement and so on should be included in the invention
Protection domain within.
Claims (7)
1. a kind of lock fatigue tester, it is characterised in that：Including：
Rotating shaft unit (2) including horizontally disposed shaft (22) and the first motor (24) that the shaft (22) is controlled to rotate, turns
Axis (22) is on support base (21)；
Frame (5), bottom end are packed in shaft (22), frame (5) are driven to rotate by shaft (22), are installed on the frame (5)
It is useful for the fixture (54) of fixed lock；
Unlocking unit (7), including the second motor (72), support plate (74) and driving lever (75), the second motor (72) is mounted on frame
(5) top, main shaft is parallel with shaft (22), and support plate (74) bottom is mounted on the second electric machine main shaft, and in support plate
(74) torque sensor (74) is equipped between the second electric machine main shaft, the driving lever (75) includes connecting portion (751) and shifting block portion
(752), at the top of support plate (74), shifting block portion (752) bottom end is correspondingly arranged downwards connecting portion (751) with fixture (54)；
Unit is shut, is arranged on shaft (22) side, fixture (54) locking button is carried out hitting sealed striker including being used for
(8), the striker (8) is on stent (9), and the striker (8) and fixture (54) are correspondingly arranged.
2. a kind of lock fatigue tester according to claim 1, it is characterised in that：First motor (24) and shaft
(22) clutch (23) is equipped between；
The frame (5) is equipped with push plate (57), and the push element for frame (5) to be resetted is equipped on the outside of the shaft (22)
(6), it the reset element (6) and shuts unit and is located at shaft (22) homonymy, which is cylinder, hydraulic cylinder or electronic is pushed away
Bar, push rod face push plate (57) setting.
3. a kind of lock fatigue tester according to claim 1, it is characterised in that：This test machine further includes buffer limit
Unit, including setting up the first collision block (31) installed on the supporting rack (3) and each supporting rack (3) of shaft (22) both sides separately,
The frame (5) is equipped with and corresponding second collision block (55) of the first collision block (55).
4. a kind of lock fatigue tester according to claim 1, it is characterised in that：The frame is set including two faces
The riser (51) put, two riser (51) tops are connected with top plate (52), and two riser (51) bottoms are connected with bottom plate (53), often
Bottom plate (53) is extended in one riser (51) bottom end, each riser (51) is packed in by the elongated end in shaft (22)；Institute
It states on fixture (54) riser (51) installed therein.
5. a kind of lock fatigue tester according to claim 1, it is characterised in that：The shaft (22) is hollow shaft.
6. a kind of lock fatigue tester according to claim 1, it is characterised in that：Shaft (22) outer end, which is equipped with, to be surveyed
Fast sensor.
7. a kind of lock fatigue tester according to claim 1, it is characterised in that：First motor (24) and second
Motor (72) is respectively servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810230621.7A CN108152032B (en) | 2018-03-20 | 2018-03-20 | Lock catch fatigue testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810230621.7A CN108152032B (en) | 2018-03-20 | 2018-03-20 | Lock catch fatigue testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108152032A true CN108152032A (en) | 2018-06-12 |
| CN108152032B CN108152032B (en) | 2024-04-23 |
Family
ID=62456225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810230621.7A Active CN108152032B (en) | 2018-03-20 | 2018-03-20 | Lock catch fatigue testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108152032B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125336A (en) * | 2021-04-25 | 2021-07-16 | 赵岚 | Zither artificial nail testing device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108152032B (en) | 2024-04-23 |
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