CN107328544A - Anti- secondary pulse device and impact test equipment - Google Patents
Anti- secondary pulse device and impact test equipment Download PDFInfo
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- CN107328544A CN107328544A CN201710752437.4A CN201710752437A CN107328544A CN 107328544 A CN107328544 A CN 107328544A CN 201710752437 A CN201710752437 A CN 201710752437A CN 107328544 A CN107328544 A CN 107328544A
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- baffle plate
- secondary pulse
- support base
- pulse device
- control unit
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- 238000009863 impact test Methods 0.000 title claims abstract description 12
- 230000004888 barrier function Effects 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims description 14
- 238000001179 sorption measurement Methods 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 19
- 230000001276 controlling effect Effects 0.000 description 16
- 239000011521 glass Substances 0.000 description 7
- 238000004080 punching Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000003466 welding 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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The embodiment of the present invention provides a kind of anti-secondary pulse device and impact test equipment, wherein anti-secondary pulse device includes：Baffle plate, baffle plate is slidably disposed on baffle plate support base；Barrier driving component, barrier driving component is used to drive the stowed position of baffle plate from baffle plate support base to move to extended position；Control unit, is connected with barrier driving component, drives baffle plate to be stretched out from baffle plate support base for controlling baffle plate drive component.Anti- secondary pulse device that the present invention is provided, it is to avoid impulse member treats the secondary pulse of test equipment, it is ensured that the accuracy of test data.
Description
Technical field
The present embodiments relate to equipment glass surface shock-testing technical field, more particularly to a kind of anti-secondary pulse dress
Put and impact test equipment.
Background technology
The equipment of existing use display screen, such as mobile terminal, display, wrist-watch, is required to before product approval
Watch crystal intensity to display screen detects whether meet related request with the intensity for checking glass.The method of detection is led to
It is often the glass surface that the impulse member of certain mass is impacted to Devices to test from certain altitude free-electron model, then observes tested
Situation of the glass surface of equipment after being impacted by impulse member.But in actual tests, impulse member often occurs after falling
Impulse member may drop into the glass surface of equipment under test again after resilience, resilience, occur the secondary pulse to glass surface,
Secondary pulse can be impacted to test result, influence the accuracy of test.Existing equipment can not avoid impulse member to quilt
The secondary pulse of measurement equipment.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of anti-secondary pulse device and impact test equipment, existing to solve
In technology equipment under test when being tested easily by secondary pulse the problem of.
A kind of anti-secondary pulse device is provided according to embodiments of the present invention, including：Baffle plate, baffle plate is slidably disposed on
On baffle plate support base；Barrier driving component, barrier driving component is used to drive baffle plate to move from the stowed position of baffle plate support base
To extended position；Control unit, is connected with barrier driving component, drives baffle plate to be supported from baffle plate for controlling baffle plate drive component
Seat stretches out.
Alternatively, anti-secondary pulse device also includes reset assembly, and reset assembly is packed up for driving baffle plate to move back into
Position.
Alternatively, barrier driving component includes drive division and maintaining body, and maintaining body is connected with control unit, is used for
Baffle plate is maintained at stowed position or release baffle plate；Drive division is arranged on baffle plate support base, and is connected with baffle plate, and to
Baffle plate applies the driving force by stowed position to extended position.
Alternatively, maintaining body includes electromagnet and adsorption section；Electromagnet is arranged on baffle plate support base, and adsorption section is set
On baffle plate, electromagnet is connected with control unit, and adhesive or the release adsorption section under described control unit control.
Alternatively, maintaining body includes locking mechanism and connecting portion, and locking mechanism is arranged on baffle plate support base, connecting portion
It is arranged on baffle plate, locking mechanism is connected with control unit, and is locked under described control unit control or discharge the company
Socket part.
Alternatively, reset assembly includes cylinder, and the piston rod of cylinder is engaged with baffle plate, is packed up for driving baffle plate to return
Position, or reset assembly include resetting motor and leading screw, and leading screw is connected with resetting motor and baffle plate respectively, is resetted motor and is driven
Leading screw makes baffle plate return to stowed position.
Alternatively, anti-secondary pulse device also includes height adjustment mechanism, and height adjustment mechanism is connected with baffle plate support base
Connect, the height for controllable register support base.
Alternatively, anti-secondary pulse device also includes checking spring range sensor, and checking spring range sensor leads to control unit
Letter connection, checking spring range sensor is used to detect upspringing for impulse member, and sends a signal to control unit, and control unit is according to letter
Number controlling baffle plate drive component.
Alternatively, the drive division is spring, and the spring is arranged between the baffle plate and the baffle plate support base.
The another aspect of the present embodiment provides a kind of impact test equipment, with the detection for placing measurement equipment to be checked
Platform, including above-mentioned anti-secondary pulse device, the side that anti-secondary pulse device is arranged on detection platform are used to prevent impulse member
Treat the secondary pulse of detection device.
The anti-secondary pulse device and impact test equipment that the present embodiment is provided by baffle plate by being slidably disposed on gear
On plate support base, and baffle plate is driven by barrier driving component, when impulse member is from resilience time control list in equipment to be tested
First controlling baffle plate drive component is driven to baffle plate, and baffle plate is reached under the driving of barrier driving component from stowed position
Extended position, to stop impulse member, prevents impulse member from dropping into again in equipment to be tested.So that the number of test
According to more accurate, it is to avoid equipment to be tested by impulse member repeat impact is caused the problem of data are inaccurate.
Brief description of the drawings
Fig. 1 is the overall structure diagram for showing anti-secondary pulse device provided in an embodiment of the present invention；
Fig. 2 is to show the structural representation in the baffle plate supporting plate of anti-secondary pulse device provided in an embodiment of the present invention；
Fig. 3 is the structural representation for the baffle plate for showing anti-secondary pulse device provided in an embodiment of the present invention；
Fig. 4 is the structural representation of the base and the second guide part that show anti-secondary pulse device provided in an embodiment of the present invention
Figure；
Fig. 5 is the structural representation for the height adjustment mechanism for showing anti-secondary pulse device provided in an embodiment of the present invention；
Fig. 6 is the structural representation for the cylinder for showing anti-secondary pulse device provided in an embodiment of the present invention；
Fig. 7 is the structural representation for the adjustable connecting-rod for showing anti-secondary pulse device provided in an embodiment of the present invention.
Description of reference numerals：
1st, baffle plate；2nd, baffle plate support base；3rd, height adjustment mechanism；31st, the first adjusting rod；32nd, the second adjusting rod；33rd, lead
To bar；34th, sleeve；35th, spring buffer part；4th, base；5th, spring；6th, cylinder；61st, piston；7th, adjustable connecting-rod；71st, first connects
Bar；72nd, second connecting rod；8th, baffle plate guide；9th, the first guide rod；10th, guide pad；11st, baffle vibration reduction part；12nd, electromagnet；
13rd, adsorption section.
Embodiment
The exemplary embodiment of the embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
The present embodiment is illustrated exemplified by anti-secondary pulse device is applied in impact test equipment, and it also may be used certainly
To be applied in other fall-down test equipment.
The embodiments of the invention provide a kind of anti-secondary pulse device, including：Baffle plate 1, baffle plate 1 is slidably disposed on gear
On plate support base 2；Barrier driving component, barrier driving component is used to drive baffle plate 1 to move from the stowed position of baffle plate support base 2
To extended position；Control unit, is connected with barrier driving component, and baffle plate 1 is driven from baffle plate branch for controlling baffle plate drive component
Support seat 2 stretches out.
As shown in figure 1, baffle plate 1 is used to treat detection device after preventing from impulse member from dropping into upspringing again on measurement equipment to be checked
Carry out secondary pulse.When impulse member is upspring from measurement equipment to be checked, baffle plate 1 stretches out, so that impulse member drops into baffle plate 1
On, without dropping into again on measurement equipment to be checked.Baffle plate support base 2 is located at the lower section of baffle plate 1, and certain support is played to baffle plate 1
Effect, baffle plate 1 can be arranged on baffle plate support base 2 by guide rail or guiding mechanism etc..Baffle plate 1 is located at baffle plate support base 2
When at stowed position, baffle plate 1 is collapsed state relative to whole secondary pulse device, i.e., now baffle plate 1 is not on stopping punching
Hit the state of part secondary pulse；When baffle plate 1 is located at the extended position of baffle plate support base 2, baffle plate 1 is filled relative to whole secondary pulse
Stretching state is set to, i.e., now baffle plate 1 is in the state for stopping impulse member secondary pulse.Baffle plate support base 2 in the present embodiment
Stowed position the location of refers to when baffle plate 1 is not extended out on baffle plate support base 2 that the extended position of baffle plate support base 2 refers to
Be baffle plate it is fully extended after the location of on baffle plate support base 2.Barrier driving component is transported by drive force baffle plate 1
Dynamic, control unit is by controlling baffle plate drive component, and then the motion of controlling baffle plate 1.
The present embodiment provide anti-secondary pulse device by the way that baffle plate 1 is slidably disposed on baffle plate support base 2, and
Baffle plate 1 is driven by barrier driving component, when impulse member drives from resilience time control unit controlling baffle plate in equipment to be tested
Dynamic component is driven to baffle plate 1, and baffle plate 1 reaches extended position under the driving of barrier driving component from stowed position, with
Impulse member is stopped, prevents impulse member from dropping into again in equipment to be tested.So that the data of test are more accurate,
Avoid equipment to be tested is caused the problem of data are inaccurate by impulse member repeat impact.
Alternatively, barrier driving component includes drive division and maintaining body, and maintaining body is connected with control unit, is used for
Baffle plate 1 is maintained at stowed position or release baffle plate 1；Drive division is arranged on baffle plate support base 2, and is connected with baffle plate 1,
And apply to baffle plate 1 by the driving force of stowed position to extended position.
As shown in figure 1, drive division is used for the motion for driving baffle plate 1, drive division can pass through extension spring, compression spring etc.
Device produces driving force to realize to baffle plate 1, and baffle plate is rapidly released.Maintaining body is used to reset in baffle plate 1
Afterwards, kept baffle plate 1 to be located at stowed position by maintaining body or discharged baffle plate 1, maintaining body under the control of the control unit
Can be adsorbed by electromagnet, pin locking etc. mode realize the holding to baffle plate 1 and release.When impulse member drop into it is to be detected
Equipment is upspring again when, control unit control maintaining body discharges to baffle plate 1, and baffle plate 1 is under the driving of drive division, from packing up
Position quickly reaches extended position, to stop impulse member.
Alternatively, barrier driving component can also include pneumatic cylinder, and baffle plate provides power by pneumatic cylinder and moved, air pressure
The piston of cylinder is connected with baffle plate, and control unit controls the motion of pneumatic cylinder, and pneumatic cylinder drives baffle plate quickly to stretch out, in addition, air pressure
Cylinder or hydraulic cylinder can play a part of holding in the case where baffle plate resets to baffle plate.Baffle plate drives in another embodiment
Dynamic component can also can be to the device of barrier driving including hydraulic cylinder etc..
Alternatively, the drive division is spring 5, the spring 5 be arranged on the baffle plate 1 and the baffle plate support base 2 it
Between.
Drive division includes spring 5 in the present embodiment, and one end of spring 5 is arranged on baffle plate support base 2, and the other end is arranged on
On baffle plate 1, when baffle plate is in reset state, spring 5 is in extended state, after maintaining body discharges to baffle plate 1, spring 5
Drive baffle plate to reach extended position to stop impulse member from stowed position, prevent impulse member device under test from carrying out two
Secondary Shocks.
Alternatively, maintaining body includes electromagnet 12 and adsorption section 13；Electromagnet 12 is arranged on baffle plate support base 2, is inhaled
Attached portion 13 is arranged on baffle plate 1, and electromagnet 12 is connected with control unit, and adhesive or release under described control unit control
The adsorption section.
As shown in Fig. 2 in the present embodiment by maintaining body be set to electromagnet 12 and adsorption section 13 cooperate to protect
Hold or discharge baffle plate 1.Electromagnet 12 is fixedly installed on baffle plate support base 2, and adsorption section 13 is fixedly installed on baffle plate 1, absorption
Portion 13 can be to have ferromagnetic any metal material with electromagnet 12.When baffle plate 1 is in reset state, electromagnet 12 is with inhaling
Attached portion 13 contacts with each other, now under the magneticaction of electromagnet 12, and baffle plate 1 can keep the state packed up.Work as control unit
Control signal is sent to electromagnet 12, for example, control unit powers off electromagnet 12, so that when eliminating the magnetic of electromagnet 12,
Electromagnet 12 no longer has absorption affinity to adsorption section 13, and baffle plate 1 reaches extended position under the driving of drive division from stowed position.
Alternatively, maintaining body includes locking mechanism and connecting portion, and locking mechanism is arranged on baffle plate support base 2, connects
Portion is arranged on baffle plate 1, and locking mechanism is connected with control unit, and is locked under described control unit control or discharged described
Connecting portion.
Maintaining body is except can be can also be and set on baffle plate 1 by electromagnet 12 and the structure type of adsorption section 13
Lock hole or similar structures can be provided with by putting on connecting portion (not shown), connecting portion；Locking is set on baffle plate support base 2
Mechanism, for example, can be locked out pin or hook, and stop pin or hook are inserted into lock hole to keep baffle plate 1, locked
Pin or hook are extracted out from lock hole just can stretch out baffle plate 1., can be in baffle plate branch in order to increase the automatization level of device
Pneumatic cylinder is set on support seat 2, and piston and the locking pin connection of pneumatic cylinder drive stop pin by the motion of pneumatic cylinder piston
Motion, in addition, pneumatic cylinder is connected with control unit, the motion of pneumatic cylinder piston, and then controlling baffle plate 1 are controlled by control unit
Motion.In another embodiment, locking mechanism can also be hydraulic cylinder or other it is any can realize stop pin transport
Dynamic constructional device.
The mode of control unit controlling baffle plate drive component can for example be can be set single with control by the way of controlling manually
The hand switch of member communication connection, operating personnel are operated with manual switches to send to control unit and instructed, and control unit receives instruction
Control maintaining body release baffle plate, and drive baffle plate to stretch out by drive division afterwards.
In addition, the mode of control unit controlling baffle plate drive component can also be by the way of automatically controlling, automatic detection punching
Hit part resilience and controlling baffle plate is stretched out.
Specifically, anti-secondary pulse device also includes checking spring range sensor, and checking spring range sensor leads to control unit
Letter connection, checking spring range sensor is used to detect upspringing for impulse member, and sends a signal to control unit, and control unit is according to letter
Number controlling baffle plate drive component.
Checking spring range sensor can be to penetrating fibre optical sensor, to penetrating photoelectric sensor, reflective photoelectric sensor, suddenly
Any one of the sensors such as your formula sensor, inductance type transducer.Checking spring range sensor can be with measurement equipment to be checked and impact
Part drop between any position.Before impulse member fall-down test is carried out, the rebound height of impulse member is estimated first, works as resilience
When detection sensor is arranged on above the rebound height for the impulse member estimated, resilience sensor is sent to control unit and impacted herein
The height and speed of part, control unit control calculate place's impulse member resilience according to the height and speed of the impulse member received
To the time of the top of baffle plate 1, so as to judge when controlling baffle plate 1 is stretched out；When checking spring range sensor is located at the impact estimated
When below part rebound height, then control unit can be controlled according to two kinds of signals to baffle plate 1 respectively, and the first is punching
The height and speed when part falls first are hit, to calculate the time that impulse member springs back to the top of baffle plate 1, second is impact
Height and speed when part resilience rises, to calculate the time that impulse member springs back to the top of baffle plate 1, so that control unit pair
Baffle plate 1 is controlled, to realize that baffle plate 1 stops the purpose of impulse member resilience.
Alternatively, anti-secondary pulse device also includes height adjustment mechanism 3, height adjustment mechanism 3 and the phase of baffle plate support base 2
Connection, the height for controllable register support base 2.
As shown in Figure 1 and Figure 5, arrangement for adjusting height includes the first adjusting rod 31 and the second adjusting rod 32, the first adjusting rod
31 are arranged on base 4, the first end of the second adjusting rod 32 be arranged in the first adjusting rod 31 and with the screw thread of the first adjusting rod 31
Connection, the second adjusting rod 32 can be extended or shrink with respect to the first adjusting rod 31, and the second end and the baffle plate of the second adjusting rod 32 are supported
Seat 2 is connected, by elongation of second adjusting rod 32 on the first adjusting rod 31 or contraction come the rising of regulating fender support base 2 or
Decline, and then regulating fender 1 rises or falls.In another embodiment, the first end of the second adjusting rod 32 can also
It is arranged on outside the first adjusting rod 31, and is threadedly coupled with the first adjusting rod 31.By the second adjusting rod 32 and gear in the present embodiment
The link position of plate support base 2 is arranged on the centre position of baffle plate support base 2, it is ensured that height adjustment mechanism 3 is to baffle plate branch
Support the harmony that seat 2 is adjusted.
Alternatively, anti-secondary pulse device also includes reset assembly, and reset assembly is packed up for driving baffle plate 1 to move back into
Position.
In order to more easily be operated to anti-secondary device, the efficiency of impulse member fall-down test is improved, in anti-secondary punching
Hit and reset assembly is set on device, after baffle plate 1 is stretched out, and impulse member is stopped, baffle plate 1 is accomplished by being resetted, to enter
The test operation of row next time.As illustrated in fig. x, reset assembly can be arranged on the base 4 of anti-secondary pulse device, can also
It is arranged on the position of other any convenient operations.Reset assembly can pass through the devices such as pneumatic cylinder, hydraulic cylinder, leading screw, timing belt
Realize.
In a kind of mode, reset assembly includes cylinder 6, and the bar of piston 61 of cylinder 6 is engaged with baffle plate 1, for driving
Baffle plate 1 returns to stowed position.
As shown in figures 1 to 6, the setting direction of cylinder 6 is identical with the direction of motion of baffle plate 1, and cylinder 6 is arranged on base 4
On, anti-secondary pulse device is provided with adjustable connecting-rod 7, and the piston 61 of cylinder 6 promotes baffle plate 1 to reset by adjustable connecting-rod 7.Baffle plate
Baffle plate 1 is kept to treat stretching state by maintaining body after 1 reset, now, the piston 61 of cylinder 6 is recovered in cylinder 6 under wait
The secondary reset to baffle plate 1.
In a further mode of operation, reset assembly includes resetting motor and leading screw (not shown), and leading screw is with resetting motor
Rotating shaft it is coaxially connected, adjustable link 7 is connected with threads of lead screw, is resetted motor and is driven leading screw to rotate, the rotation of leading screw driving
Adjustable connecting-rod 7 is moved, so as to drive baffle plate 1 to move, so that baffle plate 1 is resetted.Baffle plate 1 is kept keeping off after resetting by maintaining body
The current state of plate 1, in the case where resetting the rotation of motor, push rod is retracted to original state, to wait reset of the next time to baffle plate 1.
Reset assembly can also be timing belt, drive baffle plate 1 to be resetted by timing belt.
Because baffle plate 1 can adjust height, as shown in fig. 7, the length of adjustable connecting-rod 7 is also can be with baffle plate 1
Highly adjust.Adjustable connecting-rod 7 includes first connecting rod 71 and second connecting rod 72, piston 61 and the first connecting rod 71 of cylinder 6
First end is fixedly connected, and connected mode can be the modes such as welding, bolt connection, and first end and the baffle plate 1 of second connecting rod 72 connect
Connect.First connecting rod 71 and second connecting rod 72 be respectively installed on piston 61 and baffle plate 1 on after, first connecting rod 71 and second connecting rod
72 have certain lap, and the second end of first connecting rod 71 is abutted with the second end of second connecting rod 72, first connecting rod
71 directions stretched out towards baffle plate 1, the direction that second connecting rod 72 is withdrawn towards baffle plate 1.When the height adjustment of baffle plate 1, first
Connecting rod 71 and second connecting rod 72 relatively move to realize the adjustment of the entire length of adjustable connecting-rod 7.When reset assembly is cylinder 6,
The motion of piston 61 of cylinder 6 drives first connecting rod 71 to move, and first connecting rod 71 promotes second connecting rod 72 to move, the band of second connecting rod 72
Dynamic baffle plate 1 is resetted, and after baffle plate 1 resets, maintaining body is kept to the current state of baffle plate 1, the piston 61 of cylinder 6 and the
One connecting rod 71 returns to original state, waits reset next time to baffle plate 1.
Alternatively, reset assembly also includes baffle plate guide 8, and baffle plate guide 8 is that baffle plate 1 is resetted in cylinder 6
When, guiding is played a part of in the motion to baffle plate 1.Baffle plate guide 8 is arranged on base 4, and baffle plate guide 8 and cylinder 6 are flat
Row is set, and baffle plate guide 8 can be cylindrical guide bars 33 or other grade devices of rectangle guide rod 33, in first connecting rod 71
Upper setting pilot hole, or pilot hole can be also set on second connecting rod 72, pilot hole is set on baffle plate guide 8.
Alternatively, baffle plate support base 2 is provided with the first guide part, the first guide part and baffle plate 1 coordinate for baffle plate 1 from
Stowed position is oriented to extended position；And/or, anti-secondary pulse device also include the second guide part, the second guide part with
Baffle plate support base 2 is engaged the movement for deflector apron support base 2 in the height direction.
As shown in Figures 2 and 3, the first guide part is included on the first guide rod 9 and guide pad 10, baffle plate support base 2 along gear
Two projections are interval with the direction of motion of plate 1, the two ends of the first guide rod 9 are separately positioned on two projections, guide pad 10
It is fixedly connected with baffle plate 1, guide pad 10 is provided with pilot hole, pilot hole is located on the first guide rod 9.When maintaining body is to gear
After plate 1 is discharged, the guide pad 10 being arranged on baffle plate 1 moves to extended position along the first guide rod 9 from stowed position.The
The setting quantity of one guide rod 9 and guide pad 10 can be determined as needed, and two the first guide rods 9 are set in the present embodiment
With guide pad 10, to ensure that baffle plate 1 can be moved to the top of impulse member movement locus exactly.
Alternatively, as shown in Fig. 2 being provided with baffle vibration reduction part 11, baffle vibration reduction part on the projection at baffle plate extended position
11 are arranged on when baffle plate 1 is moved on the motion path of guide pad 10, when baffle plate 1 is stretching state, guide pad 10 and baffle vibration reduction
Part 11 is in contact, to enter row buffering to baffle plate, prevents guide pad 10 from directly colliding and sending out with projection after being stretched out with baffle plate 1
Raw vibration, it is thus also avoided that guide pad more than 10 times and projection collision and be damaged.Baffle vibration reduction part 11 can use silica gel material
Or use the elastic components such as spring.
Alternatively, as shown in figure 4, the second guide part also includes the second guide rod 33, the second guide rod 33 is used in height
Governor motion 3 carries out guiding when height is adjusted to baffle plate support base 2.The first end of second guide rod 33 is fixed on base 4,
Baffle plate support base 2 is provided with through hole, and the second end of the second guide rod 33 is worn in through-holes, and the end of the second guide rod 33 second is arranged
There is sleeve 34, sleeve 34 is fixedly connected with baffle plate support base 2, spring buffer part 35 is also arranged with the second guide rod 33, to prevent
The position that baffle plate support base 2 is conditioned is too low.The quantity and set location of second guide rod 33 can be come according to actual needs
It is determined that, four the second guide rods 33 are provided with the present embodiment, respectively at four corner locations of baffle plate support base 2.When
When height adjustment mechanism 3 raises baffle plate support base 2, the second end opposing through-bores of the second guide rod 33 decline, and sleeve 34 is due to tool
Have certain length and be fixedly installed on baffle plate support base 2, so can the anti-excessive height of baffle plate support base 2, second leads
Depart from sleeve 34 to bar 33, so that guiding can not be played a part of.When height adjustment mechanism 3 reduces baffle plate support base 2, second
Guide rod 33 can pass through through hole, to ensure that baffle plate support base 2 can normally decline.
The another aspect of the present embodiment provides a kind of impact test equipment, with the detection for placing measurement equipment to be checked
Platform, including above-mentioned anti-secondary pulse device, the side that anti-secondary pulse device is arranged on detection platform are used to prevent impulse member
Treat the secondary pulse of detection device.
Impact test equipment is used for the intensity of the glass surface of test equipment display screen, and checking spring range sensor detects punching
Hit after the moving height and speed of part, transmit a signal to control unit, control unit calculates impulse member and sprung back on baffle plate 1
The time of side, and control maintaining body to discharge baffle plate, to avoid impulse member from treating the secondary pulse of test equipment.
The anti-secondary pulse device and impact test equipment that the present embodiment is provided by baffle plate by being slidably disposed on gear
On plate support base, and baffle plate is driven by barrier driving component, when impulse member is from resilience time control list in equipment to be tested
First controlling baffle plate drive component is driven to baffle plate, and baffle plate is reached under the driving of barrier driving component from stowed position
Extended position, to stop impulse member, prevents impulse member from dropping into again in equipment to be tested.So that the number of test
According to more accurate, it is to avoid equipment to be tested by impulse member repeat impact is caused the problem of data are inaccurate.
It is described above, the only embodiment of the embodiment of the present invention, but the embodiment of the present invention protection domain not
This is confined to, any one skilled in the art can think easily in the technical scope that the embodiment of the present invention is disclosed
To change or replacement, it should all cover within the protection domain of the embodiment of the present invention.Therefore, the protection domain of the embodiment of the present invention
It should be based on the protection scope of the described claims.
Claims (10)
1. a kind of anti-secondary pulse device, it is characterised in that including：
Baffle plate (1)；The baffle plate (1) is slidably disposed on the baffle plate support base (2)；
Barrier driving component, the barrier driving component is used to drive the baffle plate to pack up position from the baffle plate support base (2)
Put and move to extended position；
Control unit, is connected with the barrier driving component, for controlling baffle plate described in the barrier driving Component driver from institute
State the stretching of baffle plate support base.
2. anti-secondary pulse device according to claim 1, it is characterised in that also including reset assembly, the reset group
Part is used to drive the baffle plate (1) to move back into the stowed position.
3. anti-secondary pulse device according to claim 1, it is characterised in that barrier driving component includes drive division and guarantor
Hold mechanism, the maintaining body is connected with described control unit, for by the baffle plate be maintained at the stowed position or
Discharge the baffle plate (1)；The drive division is arranged on the baffle plate support base (2), and is connected with the baffle plate (1), and
Apply the driving force by the stowed position to the extended position to the baffle plate (1).
4. anti-secondary pulse device according to claim 3, it is characterised in that the maintaining body includes electromagnet (12)
With adsorption section (13)；
The electromagnet is arranged on the baffle plate support base, and the adsorption section is arranged on the baffle plate (1), the electromagnet
(12) it is connected with described control unit, and adhesive or the release adsorption section under described control unit control.
5. anti-secondary pulse device according to claim 3, it is characterised in that the maintaining body include locking mechanism and
Connecting portion；
The locking mechanism is arranged on the baffle plate support base (2), and the connecting portion is arranged on the baffle plate (1), described
Locking mechanism is connected with described control unit, and is locked under described control unit control or discharge the connecting portion.
6. anti-secondary pulse device according to claim 2, it is characterised in that the reset assembly includes cylinder (6), institute
The piston (61) for stating cylinder (6) is engaged with the baffle plate (1), for driving the baffle plate (1) to return to the stowed position, or
Person
The reset assembly includes resetting motor and leading screw, and the leading screw connects with the reset motor and the baffle plate (1) respectively
Connect, the reset motor drives the leading screw baffle plate (1) is returned to the stowed position.
7. anti-secondary pulse device according to claim 1, it is characterised in that the anti-secondary pulse device also includes height
Governor motion (3) is spent, the height adjustment mechanism (3) is connected with the baffle plate support base (2), for adjusting the baffle plate branch
Support the height of seat (2).
8. anti-secondary pulse device according to claim 1, it is characterised in that the anti-secondary pulse device also includes back
Detection sensor is played, the checking spring range sensor is communicated to connect with described control unit, and the checking spring range sensor is used for
Upspringing for impulse member is detected, and sends a signal to described control unit, described control unit controls the gear according to the signal
Plate (1) drive component.
9. anti-secondary pulse device according to claim 3, it is characterised in that the drive division is spring (5), the bullet
Spring (5) is arranged between the baffle plate (1) and the baffle plate support base (2).
10. a kind of impact test equipment, with the detection platform for placing measurement equipment to be checked, it is characterised in that including such as weighing
Profit requires the anti-secondary pulse device described in 1~9 any one, and the anti-secondary pulse device is arranged on the one of the detection platform
Side is used to prevent impulse member from treating the secondary pulse of detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710752437.4A CN107328544A (en) | 2017-08-28 | 2017-08-28 | Anti- secondary pulse device and impact test equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710752437.4A CN107328544A (en) | 2017-08-28 | 2017-08-28 | Anti- secondary pulse device and impact test equipment |
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| CN107328544A true CN107328544A (en) | 2017-11-07 |
Family
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| CN201710752437.4A Pending CN107328544A (en) | 2017-08-28 | 2017-08-28 | Anti- secondary pulse device and impact test equipment |
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| CN110017996A (en) * | 2018-10-24 | 2019-07-16 | 广州行安德达科技有限公司 | A kind of vehicle hub collision stress test equipment |
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| CN111392065A (en) * | 2020-04-30 | 2020-07-10 | 中国飞机强度研究所 | Unmanned aerial vehicle blade stab and cut damage assessment test platform and method |
| CN112629797A (en) * | 2021-02-05 | 2021-04-09 | 沈阳工业大学 | Vertical high-speed impact testing machine capable of generating negative waves |
| CN113601491A (en) * | 2021-08-18 | 2021-11-05 | 珠海格力电器股份有限公司 | Limiting device and robot with same |
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Application publication date: 20171107 |