CN108106835A - A kind of knocker life testing machine - Google Patents
A kind of knocker life testing machine Download PDFInfo
- Publication number
- CN108106835A CN108106835A CN201711475748.7A CN201711475748A CN108106835A CN 108106835 A CN108106835 A CN 108106835A CN 201711475748 A CN201711475748 A CN 201711475748A CN 108106835 A CN108106835 A CN 108106835A
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- knocker
- push rod
- fixed plate
- oriented
- spring
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- 238000012360 testing method Methods 0.000 title claims abstract description 92
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 7
- 238000004088 simulation Methods 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- 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)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of knocker life testing machines, including rack, linear actuator, the first fixed plate and several mechanism for testing, mechanism for testing, which includes, is oriented to push rod, spring and stop nut, linear actuator is arranged in rack, first fixed plate is fixed above rack, is oriented to push rod and is vertically set, and is oriented to the output terminal that push rod lower end is connected to linear actuator, it is oriented to push rod upper end to be placed through in the first fixed plate, knocker, which is located at, is oriented to surface at the top of push rod；Spring pocket, which is arranged on, to be oriented on push rod, and lower spring end is fixed on the guiding push rod of rack, and spring upper end activity is connected to the first fixed plate bottom surface, and stop nut fixing sleeve, which is arranged on, to be oriented on push rod, and stop nut is arranged on above the first fixed plate.Present invention can be suitably applied to similar a variety of knocker life tests, can the life test of analog gate button under external force, can individually detect knocker it is static under bearing capacity, while a variety of knocker life tests can be carried out.
Description
Technical field
The present invention relates to a kind of knocker test machine, more particularly to a kind of knocker life testing machine.
Background technology
Knocker life testing machine is that the time lifetime of knocker is detected, and previous knocker life testing machine is confined to door
The button fatigue life of lock and unlocking motion test repeatedly, function is single, can not detect the life characteristic under knocker bearing capacity,
Life characteristic that can not be to all kinds of knockers under the conditions of various external force, and the ability to bear under knocker static state can not be understood, it lacks
The weary service life for being apparent from the knocker under the interference of outer masterpiece brings certain limitation, nothing to the detection in knocker service life
The service life of knocker under the various environment of the considerations of method is abundant.For this purpose, a kind of it is proposed that knocker life testing machine.
The content of the invention
It is a primary object of the present invention to provide a kind of knocker life testing machine, which is applicable to together
The a variety of knocker life tests of class, can the life test of analog gate button under external force, can individually detect knocker it is static under holding
Loading capability, while a variety of knocker life tests can be carried out, it can effectively solve the problems, such as in background technology.
To achieve the above object, the technical solution taken of the present invention is：
A kind of knocker life testing machine for testing the service life of knocker, is consolidated including rack, linear actuator, first
Fixed board and several mechanism for testing, the mechanism for testing include guiding push rod, spring and stop nut, the linear actuator and set
In in the rack, first fixed plate is fixed above the rack, and the guiding push rod is vertically set, institute
It states and is oriented to the output terminal that push rod lower end is connected to the linear actuator, the guiding push rod upper end is placed through described first and fixes
In plate, the knocker is located at surface at the top of the guiding push rod；The spring pocket is arranged on the guiding push rod, the spring
Lower end is fixed on the guiding push rod of rack, and the spring upper end activity is connected to the first fixed plate bottom surface,
The stop nut fixing sleeve is arranged on the guiding push rod, and the stop nut is arranged on above first fixed plate.
Preferably, the knocker life testing machine further includes adjusting nut, and the adjusting nut carries out the spring
Fixed, the decrement for adjusting the adjusting nut sets the restoring force of the spring.
Preferably, the spring is moved up and down with the guiding push rod and stretched, the spring under different compressive states
The restoring force size simulation different knockers work when external force size that is applied in.
Preferably, the knocker life testing machine further includes the second fixed plate, and second fixed plate is fixed at
Above one fixed plate, second fixed plate is equipped with several avoid holes, and the knocker vertically fixation is placed through described
In avoid holes.
Preferably, the mechanism for testing, which further includes, is oriented to stand and guide pad, and it is solid that the leading truck seat is located at described first
Between fixed board and second fixed plate, the guiding stand is arranged in first fixed plate, and the guide pad is fixed at
On the guiding push rod, the stand that is oriented to limits the position of the guide pad in the longitudinal direction.
Preferably, the guiding stand and the guide pad are cuboid, and the guiding stand leading flank is led with described
It is mutually close to block trailing flank.
Preferably, the mechanism for testing further includes elastic component, and the elastic component is sheathed on the guiding push rod, the bullet
Between the stop nut and first fixed plate, the elastic component is fixed between first fixed plate property part.
Preferably, the mechanism for testing further includes photoelectric sensor, and the photoelectric sensor is arranged on described along the longitudinal direction
In second fixed plate, at the top of the photoinduction end alignment guiding push rod of the photoelectric sensor.
Preferably, the knocker life testing machine further includes PLC controller, and the PLC controller is arranged on the rack
Interior, the output terminal of the photoelectric sensor is electrically connected to the input terminal of the PLC controller, and the PLC controller output terminal connects
It is connected to the linear actuator.
Preferably, also comprising operation button and operation display, the operation button, the operation display are all provided with the rack
In in the rack, the operation button is connected to the input terminal of the PLC controller, and the operation display is connected to described
The output terminal of PLC controller.
Compared with prior art, knocker life testing machine of the invention include several mechanism for testing, multiple test stations,
Between each station independently of each other, it can simulate simultaneously and life test is carried out to different knockers and different operating condition；Linear actuator drives
Guiding push rod is made vertically to move up and down, and the restoring force of spring is equivalent to the external force of different loads size, then is oriented to and pushes away
It is effect of the fictitious load external force to knocker when bar touches knocker, then is applicable to simulate similar a variety of knockers in difference
Life test under outer force environment；When linear actuator does not drive, it is oriented to push rod and is fixed, continued with the top for being oriented to push rod
Knocker is carried, then can carry out the simulation test of the bearing capacity under knocker static state at this time.
Description of the drawings
Fig. 1 is knocker life testing machine of the present invention and the overall structure diagram for testing knocker.
Fig. 2 is the dimensional structure diagram of knocker life testing machine of the present invention.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, with reference to
Specific embodiment, the present invention is further explained.
Knocker life testing machine 100 is used to test the service life of knocker 200, knocker life testing machine 100 of the invention
It can realize the life test for simulating knocker 200 under a variety of different conditions, service life survey is carried out to similar a variety of knockers 200 including simulation
Examination and simulation carry out life test under various operating conditions to knocker 200 of the same race.
As shown in Figure 1, Fig. 1 is knocker life testing machine of the present invention and the overall structure diagram for testing knocker, Fig. 2 is this
The dimensional structure diagram of invention knocker life testing machine.X-axis represents front-rear direction in figure, and Y-axis represents left and right directions, Z axis generation
Table vertical direction.Refering to Fig. 1, the knocker life testing machine 100 of the embodiment of the present invention includes rack 10, linear actuator
(not shown), the first fixed plate 20 and several mechanism for testing 30, refering to Fig. 2, the mechanism for testing 30, which includes, is oriented to push rod
31st, spring 32 and stop nut 33, linear actuator are arranged in rack 10, and the first fixed plate 20 is fixed at 10 top of rack,
It is oriented to push rod 31 vertically to set, is oriented to the output terminal that 31 lower end of push rod is connected to linear actuator, be oriented on push rod 31
End is placed through in the first fixed plate 20.Preferably, linear actuator is cylinder, but is not limited thereto.Then, linear drives are passed through
Device drives guiding push rod 31 vertically to pump, and knocker 200, which is located at, to be oriented to directly over 31 top of push rod, so as to
Simulate the carry out life test to knocker 200.Knocker life testing machine 100 includes several mechanism for testing 30, mechanism for testing 30
Number be at least 1, preferably, mechanism for testing 30 is 4, but is not limited thereto.Multiple mechanism for testing 30 are mutually solely
Vertical, then it can simulate simultaneously and life test is carried out to similar different knockers 200.
Furthermore the spring 32 of the present embodiment, which is sheathed on, to be oriented on push rod 31, and 32 lower end of spring is fixed on close to rack 10
It is oriented on push rod 31, knocker life testing machine 100 further includes adjusting nut 34, and spring 32 is fixed adjusting nut 34, leads to
The decrement of adjustment adjusting nut 34 is crossed to set the restoring force of spring 32.Spring 32 is with being oriented to push rod about 31 in the present embodiment
It moves and stretches, using the restoring force of spring 32, the restoring force size of spring 32 simulates not fellow disciple under different compressive states
Simulation knocker then can be achieved in the external force size being applied in during 200 work of button, the size of restoring force, that is, fictitious load of spring 32
The life test of 200 loading switch motions under various operating conditions, and as each mechanism for testing 30 is arranged to different
Operating condition can then be simulated and carry out life test under various operating conditions to multiple similar knockers 200 simultaneously.It also can be in the service life
Spring 32 is not set during test, then can simulate the life test for carrying out non-loaded switch motion at this time；Can also will be oriented to push rod 31 into
Row is fixed, and knocker 200 is persistently carried with the top for being oriented to push rod 31, then can carry out the bearing capacity under 200 static state of knocker at this time
Simulation test.
Furthermore 32 upper end activity of spring is connected to 20 bottom surface of the first fixed plate, and 33 fixing sleeve of stop nut is arranged on to be oriented to and push away
On bar 31, stop nut 33 is arranged on 20 top of the first fixed plate.By adjusting the upper-lower position of stop nut 33, led so as to adjust
To the stroke of push rod 31 life test of different knocker 200 is simulated to tackle.
Please continue to refer to Fig. 1, knocker life testing machine 100 further includes the second fixed plate 40, and the fixation of the second fixed plate 40 is set
Above the first fixed plate 20, as shown in Fig. 2, the second fixed plate 40 is equipped with several avoid holes 41, knocker 200 is vertically
Fixation is placed through in avoid holes 41.Knocker 200 is fixed in installation by the second fixed plate 40, avoid holes 41 are for convenience
The replacement of different knockers 200.But this kind of 200 fixed form of knocker is not limited to, the second fixed plate 40 can be also arranged to activity,
Knocker 200 is corresponded to after the correspondence position of the bottom surface of the second fixed plate 40, then the second fixed plate 40 is mounted on first
In fixed plate 20, it need to only meet the installation of knocker 200 and replace function.
Please continue to refer to Fig. 2, the mechanism for testing 30 of the present embodiment, which further includes, is oriented to stand 35 and guide pad 36, is oriented to stand
35 between the first fixed plate 20 and the second fixed plate 40, is oriented to stand 35 and is arranged in the first fixed plate 20, guide pad 36 is solid
Fixed be arranged on is oriented on push rod 31, is oriented to the position of 35 restricted guidance block 36 of stand in the longitudinal direction；Stand 35 is oriented to being oriented to
Block 36 is cuboid, is oriented to 35 leading flank of stand and is mutually close to 36 trailing flank of guide pad.Stand 35 is oriented to being oriented to push rod
31 carry out position-limiting action, and the reciprocating motion of vertical direction can only be done in the case where being oriented to the constraint of stand 35 by being oriented to push rod 31, prevent from leading
It shakes in the vertical direction to push rod 31, avoids influencing the result of service life test.
Further, mechanism for testing 30 further includes elastic component 37, and elastic component 37, which is sheathed on, to be oriented on push rod 31, elastic component 37
Between 33 and first fixed plate 20 of stop nut, elastic component 37 is fixed between the first fixed plate 20.Elastic component 37 is set
The hard collision that can be avoided between 33 and first fixed plate 20 of stop nut is put, reduces by 33 and first fixed plate 20 of stop nut
Spoilage.
Please continue to refer to Fig. 2, mechanism for testing 30 further includes photoelectric sensor 38, and photoelectric sensor 38 is arranged on along the longitudinal direction
In second fixed plate 40,31 top of photoinduction end alignment guide push rod of photoelectric sensor 38.It is supervised using photoelectric sensor 38
Control operating state of the knocker 200 in life test.
Furthermore knocker life testing machine 100 further includes PLC controller (not shown), and PLC controller is arranged on rack 10
Interior, the output terminal of photoelectric sensor 38 is electrically connected to the input terminal of PLC controller, and PLC controller output terminal is connected to straight line drive
Dynamic device.Furthermore for rack 10 also comprising operation button 11 and operation display 12, operation button 11, operation display 12 are arranged on rack
On 10, operation button 11 is connected to the input terminal of PLC controller, and operation display 12 is connected to the output terminal of PLC controller.Then,
Operation of the PLC controller according to operation button 11 or the transmission data by photoelectric sensor 38 drive linear actuator
It is dynamic, so as to control the movement for being oriented to push rod 31, and the life parameter of knocker 200 is recorded, and operation display 12 is tested for showing
Life parameter.
Compared with prior art, knocker life testing machine 100 of the invention includes several mechanism for testing 30, multiple tests
Station, can carry out simulation test between each station independently of each other to different knockers 200 and different operating condition simultaneously；Linear drives
Device drives guiding push rod 31 vertically to move up and down, and the restoring force of spring 32 is equivalent to the external force of different loads size,
It is effect of the fictitious load external force to knocker 200 when being then oriented to push rod 31 and touching knocker 200, then it is same is applicable to simulation
Life test of a variety of knockers 200 of class under different force environment；When linear actuator does not work, consolidate to being oriented to push rod 31
It is fixed, knocker 200 is persistently carried with the top for being oriented to push rod 31, then can carry out the mould of the bearing capacity under 200 static state of knocker at this time
Intend test.
The basic principles, main features and the advantages of the invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of knocker life testing machine, for testing the service life of knocker, which is characterized in that including rack, linear drives
Device, the first fixed plate and several mechanism for testing, the mechanism for testing, which includes, is oriented to push rod, spring and stop nut, described straight
Line drive is arranged in the rack, and first fixed plate is fixed above the rack, and the guiding push rod is along vertically
Direction is set, and the output terminal for being oriented to push rod lower end and being connected to the linear actuator, the guiding push rod upper end is placed through
In first fixed plate, the knocker is located at surface at the top of the guiding push rod；The spring pocket is arranged on the guiding and pushes away
On bar, the lower spring end is fixed on the guiding push rod close to rack, and the spring upper end activity is connected to described the
One fixed plate bottom surface, the stop nut fixing sleeve are arranged on the guiding push rod, and it is solid that the stop nut is arranged on described first
Above fixed board.
2. knocker life testing machine according to claim 1, which is characterized in that further include adjusting nut, the adjusting spiral shell
The spring is fixed mother, and the decrement for adjusting the adjusting nut sets the restoring force of the spring.
3. knocker life testing machine according to claim 1, which is characterized in that the spring is oriented to described above and below push rod
Movement is stretched, and is applied in when the different knockers of restoring force size simulation of the spring work under different compressive states
External force size.
4. knocker life testing machine according to claim 1, which is characterized in that further include the second fixed plate, described second
Fixed plate is fixed above the first fixed plate, and second fixed plate is equipped with several avoid holes, the vertical side in knocker edge
It is placed through to fixation in the avoid holes.
5. knocker life testing machine according to claim 4, which is characterized in that the mechanism for testing further includes guiding stand
And guide pad, between first fixed plate and second fixed plate, the guiding stand is arranged on the leading truck seat
In first fixed plate, the guide pad is fixed on the guiding push rod, and the guiding stand limits the guide pad
Position in the longitudinal direction.
6. knocker life testing machine according to claim 5, which is characterized in that the guiding stand and the guide pad are equal
For cuboid, the guiding stand leading flank is mutually close to the guide pad trailing flank.
7. knocker life testing machine according to claim 1, which is characterized in that the mechanism for testing further includes elastic component,
The elastic component is sheathed on the guiding push rod, the elastic component be located at the stop nut and first fixed plate it
Between, the elastic component is fixed between first fixed plate.
8. knocker life testing machine according to claim 4, which is characterized in that the mechanism for testing further includes photoelectric sensing
Device, the photoelectric sensor are arranged in second fixed plate along the longitudinal direction, the photoinduction end alignment of the photoelectric sensor
At the top of the guiding push rod.
9. knocker life testing machine according to claim 8, which is characterized in that further include PLC controller, the PLC controls
Device processed is arranged in the rack, and the output terminal of the photoelectric sensor is electrically connected to the input terminal of the PLC controller, described
PLC controller output terminal is connected to the linear actuator.
10. knocker life testing machine according to claim 9, which is characterized in that the rack also comprising operation button and
Operation display, the operation button, the operation display are arranged in the rack, and the operation button is connected to the PLC
The input terminal of controller, the operation display are connected to the output terminal of the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711475748.7A CN108106835A (en) | 2017-12-29 | 2017-12-29 | A kind of knocker life testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711475748.7A CN108106835A (en) | 2017-12-29 | 2017-12-29 | A kind of knocker life testing machine |
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| CN108106835A true CN108106835A (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711475748.7A Pending CN108106835A (en) | 2017-12-29 | 2017-12-29 | A kind of knocker life testing machine |
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| CN (1) | CN108106835A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458128A (en) * | 2020-04-26 | 2020-07-28 | 宁波大榭开发区天正模具有限公司 | Detection equipment for service life of push rod of die casting die |
| CN111829763A (en) * | 2020-04-28 | 2020-10-27 | 同济大学 | Electric spring fatigue testing device of containing type node |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458128A (en) * | 2020-04-26 | 2020-07-28 | 宁波大榭开发区天正模具有限公司 | Detection equipment for service life of push rod of die casting die |
| CN111458128B (en) * | 2020-04-26 | 2022-02-11 | 宁波大榭开发区天正模具有限公司 | Detection equipment for service life of push rod of die casting die |
| CN111829763A (en) * | 2020-04-28 | 2020-10-27 | 同济大学 | Electric spring fatigue testing device of containing type node |
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