CN106989890A - A kind of mechanical shock test's equipment - Google Patents
A kind of mechanical shock test's equipment Download PDFInfo
- Publication number
- CN106989890A CN106989890A CN201710376767.8A CN201710376767A CN106989890A CN 106989890 A CN106989890 A CN 106989890A CN 201710376767 A CN201710376767 A CN 201710376767A CN 106989890 A CN106989890 A CN 106989890A
- Authority
- CN
- China
- Prior art keywords
- mechanical shock
- impact
- shock test
- impact head
- equipment
- 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.)
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
Abstract
The present invention discloses a kind of mechanical shock test's equipment, belongs to impact experiment equipment technical field, and the testing equipment includes testing stand, frame, guide assembly, impact head, product clamper, and the guide assembly includes seeker and guide rail；The guide rail is in the shape of a spiral；The seeker includes magnet coil；The testing equipment also includes power supply, controller, signal projector, information-storing device, display, speed detector；During energization, the electromagnetic action that seeker is produced due to magnet coil produces the magnetic force attracted to seeker.The present invention is under the double action of gravity and electromagnetic force, the quality of impact head, impact head can not be increased increases impact energy relative to the height for the product testing part bearing for needing to do impact test, to meet requirement of the mechanical shock test to impact capacity, compact conformation, compact, overcomes the shortcomings of pendulum mechanical shock test equipment, drop hammer type mechanical shock test equipment in the prior art.
Description
Technical field
The present invention relates to a kind of impact test equipment, specifically a kind of mechanical impact test equipment.
Background technology
It is determined that military, civilian plant equipment is subjected to the security of product when external force is collided or acted on, reliability and effectively
Property, it is necessary to using mechanical shock test's equipment to product carry out impact test test.
In the prior art, mechanical shock test's equipment has two kinds of pendulum and drop hammer type, and both equipment pass through
Action of Gravity Field, is the impact energy required for product by the transform gravitational energy of impact test equipment hammer body, with this to product shape
Into impact, its security, reliability and validity are tested.
Fig. 1 is pendulum mechanical shock test equipment, including frame 1, pendulum 2, jaw seat 3 and magnetic means 4, pendulum 2
Including hammer body 21 and balance staff 22, hammer body 21 is changed for convenience, and hammer body 21 is replaceable by being threadably mounted on balance staff 22.Pendulum
Axle 22 is provided with magnet arm 23.Magnet arm 23 is in arc-shaped, convenient rotation and absorption.Magnetic means 4 is loaded on the end of frame 1, magnetic
The magnetic field of jib 23 can be adsorbed on magnetic means 4, and balance staff 22 is on circular shaft 11, and circular shaft 11 is located in frame 1, and balance staff 22 is with circular shaft 11
Realize and rotate for axle center, motor 12 is installed inside frame 1, motor 12 passes through the rotation of belt drive circular shaft 11,11 turns of circular shaft
It is dynamic to drive the realization of balance staff 22 to turn clockwise, the motion upwards of hammer body 21 is finally realized, magnet arm 23 is by magnetic-adsorption in magnetic force
On device 4.Magnetic means 4 includes electromagnet 41 and power device 42, by being powered electromagnet 41 to power device 42 is led to
Electricity produces magnetic field, so as to produce absorption affinity to magnet arm 23.When in use, powered off to power device 42, the magnetic force of electromagnet 41 disappears
Lose, the free-falling of magnet arm 23, it is that rotate counterclockwise is realized in axle center with circular shaft 11 to have driven balance staff 22, and final result is hammer body
21 fall, realizes that pointer 14 shows the anglec of rotation on impact test, inclinometer 13.Test is completed, and starts control system switch,
Motor 12 is by the rotation of belt drive circular shaft 11, and circular shaft 11, which is rotated, has driven the realization of balance staff 22 to turn clockwise, final to realize
Hammer body 21 is moved upwards, and magnet arm 23 is by magnetic-adsorption on the magnetic means 4, and hammer body 21 playbacks.
Fig. 2 is to be provided with fixed pedestal 2 on drop hammer type mechanical shock test equipment, ground, and fixed pedestal 2 is by different
Assembling mode results in different height, so as to carry out the impact test of different impact energys.Fixed platform 3 is fixed on
, it is necessary to which the product for doing impact test is fixed in fixed platform 3 on fixed pedestal 2.And with photoelectrical velocity measure equipment, the photoelectric measuring
Speed variator is arranged at the footing of pylon 5, for being measured to impact velocity.Pylon 5 is provided with guide rail 7, pylon 5 and guide rail 7
Between vertical degree adjusting part 8 is installed, the vertical degree of track is ensured by the vertical degree adjusting part of regulation.Can be with free-falling
Hammer body 9 be located on guide rail 7, and can be done on guide rail 7 up and down move vertically, in impact test by hammer body 9 on guide rail 7
Free-falling come complete impact.To absorb the impact energy of the free-falling component after the destruction of test specimen 4, filled in fixed platform 3
There is buffer.
However, either above-mentioned pendulum mechanical shock equipment or drop hammer type mechanical shock equipment, all only handles
The transform gravitational energy of impact test equipment hammer body is the impact energy required for product.The mechanical shock energy needed when product
Than it is larger when, can only be by increasing the height of quality or/and hammer body relative to the product bearing for needing to do impact test of hammer body
Spend to increase impact energy, i.e., required impact capacity is obtained by increasing gravitional force.
But, when the hammer body quality of mechanical shock equipment is excessive, equipment can be caused heavy, the behaviour of impact test is not easy to
Make；When increase of the hammer body relative to the product bearing height for needing to do impact test, and necessarily cause the increasing of device height
Plus.But it is due to the limitation of the factors such as laboratory place, it is impossible to improve required more impact energys by increasing height
Amount.In view of the drawbacks described above that mechanical shock test's equipment is present at present, either pendulum mechanical shock equipment or drop hammer type
Mechanical shock equipment, can not all meet demand of the product when carrying out mechanical shock to greater impact energy.
The content of the invention
Because prior art can not meet the demand of product impact energy, in order to solve the above-mentioned technical problem, the present invention
A kind of mechanical shock test's equipment with special construction is provided, rushed in the quality and hammer body for not increasing hammer body relative to needs
In the case of the height of product bearing for hitting experiment, by special mechanical structure and principle, to meet product to larger machine
The demand of tool impact energy.
To achieve these goals, technical scheme is as follows：
A kind of mechanical shock test's equipment, the testing equipment includes testing stand, frame, guide assembly, impact head, product clip
Tool etc.；
The product clamper is arranged on the testing stand, needs to do the product testing part of impact test for clamping, and is prevented
Only product testing part comes off from the testing stand during impact test；
The frame is removably mounted on smooth ground, and the top of the frame is used with the guide assembly can
The mode of dismounting is fixedly connected, and for supporting the guide assembly, the frame uses dismountable mode with the testing stand
It is fixedly connected；
One end of the guide assembly is connected to the testing stand, and the other end of guide assembly is the start bit of impact head
Put, the height of one end of the guide assembly is less than the height of its other end, and under gravity, impact head is from described
Beginning, position moved along the guide rail.
Further, the guide assembly includes seeker and guide rail；The guide rail is in the shape of a spiral；The seeker includes electricity
Magnetic coil, the profile of seeker is in horn-like, and be open the entrance that big side is the impact head, and the small side that is open is described
The outlet of impact head；Multiple seekers are arranged in order in its axial direction, it is overall also in the shape of a spiral, the spiral shell with the guide rail
Revolve shape identical；The guide rail is fixedly connected with each seeker using detachable；One end of guide rail is connected to the testing stand,
The other end of guide rail is the original position of impact head；The impact head is made up of material for being made comprising permanent-magnet material etc.；In weight
In the presence of power and electromagnetic force, impact head is moved from described original position along the guide rail.
Further, the product clamper has rubber or nylon spacer, prevents product clamper from product testing part is crushed.
Further, the largest contours size of the impact head is less than the minimum diameter size of the seeker inner chamber.
Further, the testing equipment also includes power supply, controller, signal projector, information-storing device, display, speed
Detector；Power supply is that controller, signal projector, information-storing device, display, speed detector etc. need the part of electric energy to supply
Electricity；The speed detector is arranged on the testing stand, is produced for detecting that the impact head reaches the testing stand in impact
Speed during product testpieces；The speed detector transmits the velocity information detected to the signal projector, the letter
Number transmitter transmits velocity information to the controller, and velocity information is converted into corresponding machine after controller is handled
Tool impact energy information, then described mechanical shock energy information is transmitted to display, and by described mechanical shock energy
Information is stored into information-storing device.
Further, the power supply is one kind in 220V domestic power supplies, 380V electrical source of power or small power generation electromechanical source.
Further, the speed detector is arranged near the position that testing stand is connected with the guide rail.
Further, the signal projector is connected with the controller by the transmission means of wireless connection or wired connection
Connect.
Further, the wireless connection uses Bluetooth transmission connected mode.
Compared with prior art, for the present invention, under the double action of gravity and electromagnetic force, punching can not be increased
The quality tapped the head, impact head increase impact energy relative to the height for the product testing part bearing for needing to do impact test,
To meet requirement of the mechanical shock test to impact capacity.Compact conformation of the present invention, compact overcomes and put in the prior art
The deficiency of hammer mechanical shock test equipment, drop hammer type mechanical shock test equipment.
Brief description of the drawings
Fig. 1 is the schematic diagram of pendulum mechanical shock test equipment in the prior art；
Fig. 2 is the schematic diagram of drop hammer type mechanical shock test equipment in the prior art；
Fig. 3 is the schematic diagram of mechanical shock test's equipment of the present invention；
Fig. 4 is the profile of seeker in mechanical shock test's equipment of the present invention；
Fig. 5 is the appearance curve figure of mechanical shock test's equipment middle guide of the present invention；
In figure：1- testing stands, 2- frames, 3- guide assemblies, 4- impact heads, 11- product clampers, 33- seekers, 34- are led
Rail.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme is carried out clear, complete, in detail
Description.Obviously, described embodiment is only the part in numerous embodiments of the invention, rather than whole embodiments.
Based on embodiments of the invention, those skilled in the art make in the case where not paying creative work to the present invention
The technical scheme of any deformation, all within protection scope of the present invention.
Embodiment one：Referring to Figure of description 3, a kind of mechanical shock test's equipment, the testing equipment include testing stand 1,
Frame 2, guide assembly 3, impact head 4, product clamper 11 etc.；The product clamper 11 is arranged on the testing stand 1, for pressing from both sides
Holding needs the product testing part for doing impact test, prevents that product testing part is from the testing stand 1 during impact test
Come off；The frame 2 is removably mounted on smooth ground, and the top of the frame 2 is used with the guide assembly 3 can
The mode of dismounting is fixedly connected, and for supporting the guide assembly 3, the frame 2 is with the testing stand 1 using dismountable side
Formula is fixedly connected；One end of the guide assembly 3 is connected to the testing stand 1, and the other end of guide assembly 3 is impact head 4
Original position, the height of one end of the guide assembly 3 is less than the height of its other end, under gravity, impact head 4 from
Described original position is moved along the guide assembly 3.
Embodiment two：Need to do the impact dynamics of impact test product to increase 4 pairs of impact head, in the base of embodiment one
On plinth, the guide assembly 3 is further set to include seeker 33 and guide rail 34；The guide rail 34 is in the shape of a spiral；The seeker
33 include magnet coil, and the profile of seeker 33 is in horn-like, and be open the entrance that big side is the impact head 4, is open small
Side be the impact head 4 outlet；Multiple seekers 33 are arranged in order in its axial direction, it is overall also helically
Shape is identical with the helical form of the guide rail 34；The guide rail 34 is fixedly connected with each seeker 33 using detachable；Guide rail
34 one end is connected to the testing stand 1, and the other end of guide rail 34 is the original position of impact head 4；The impact head 4 has magnetic
Property, it is made up of material for being made comprising permanent-magnet material etc.；During energization, the electromagnetic action that seeker is produced due to magnet coil,
The magnetic force attracted is produced to seeker.Under the double action of gravity and electromagnetic force, impact head 4 from described original position along
The guide rail 34 is moved.
According to acting formula W=FS, (wherein, W represents power F works, and F represents power, and S represents the position on power F directions
Move), in the case where power is certain, increases the displacement on force direction, can accordingly increase power work done；In the direction of the force
Displacement it is certain in the case of, increase power size, power work done can also be increased；Displacement of the increase on force direction simultaneously
With the size of power, power work done can also be increased.In order to obtain preferably mechanical shock effect, the profile for making seeker 33 is in
The horn-like magnetic force that can converge magnet coil to impact head 4, makes the bigger with joint efforts of magnetic force；Guide rail 34 can increase in the shape of a spiral
Displacement of the impact head 3 in magnetic force direction, by both technological means, increases amount of work of the magnetic force to impact head 4, so that
Obtain more preferable mechanical shock effect
In order to prevent product clamper from product testing part is crushed, the product clamper 11 has rubber sheet gasket or nylon cushion
Piece, for Protection Product testpieces.
In order that impact head 4 can pass through seeker inner chamber, the largest contours size of the impact head 4 is less than the guiding
The minimum diameter size of first 33 inner chamber.
Embodiment three：In order to preferably carry out mechanical shock test, make the impact test equipment that there are mechanical shock data
Display and the function such as storage, further make the testing equipment also include power supply, controller, signal projector, information-storing device,
Display, speed detector；Power supply is that controller, signal projector, information-storing device, display, speed detector etc. need
The part of electric energy is powered；The speed detector is arranged on the testing stand 1, for detecting that it is described that the impact head 4 is reached
Speed of the testing stand when impacting product testing part；The speed detector transmits the velocity information detected to the signal
Transmitter, the signal projector transmits velocity information to the controller, and velocity information is turned after controller is handled
Change corresponding mechanical shock energy information into, then described mechanical shock energy information is transmitted to display, and will be described
Mechanical shock energy information is stored into information-storing device.Operation for the ease of testing crew and expand machine mechanical shock examination
The application of experiment device, can adjust electromagnetic attraction of the seeker 33 to impact head 4 by setting different size of current
Power, so as to the impulsive force of the required product testing part for doing impact test when controlling the impact head 4 to reach testing stand 1.
For the ease of to impact test equipment provide electric energy, the power supply be 220V domestic power supplies, 380V electrical source of power or
One kind in person's small power generation electromechanical source.For the ease of detecting the speed of impact head 4, the speed detector is arranged on testing stand
Near 1 position being connected with the guide rail 34.
For the ease of the transmission of signal, the signal projector 7 passes through wireless connection or wired connection with the controller 6
Transmission means connection.Preferably, the wireless connection uses Bluetooth transmission connected mode.
The present embodiment when in use, `
When carrying out mechanical shock test, the product testing part for needing to carry out mechanical shock test is placed on experiment first
On platform 1, and it is fixed with product clamper 11, impact head 4 is placed on the one end of guide assembly away from testing stand.Then machine
Tool impact test equipment switches on power, and the magnet coil in seeker 33 produces magnetic field due to electromagnetic action, while impact head 4 has
It is magnetic, seeker 33 produces the magnetic force attracted to impact head 4；The magnetic force and impact head produced in seeker 33 to impact head 4
Under the double action of the gravity of itself, impact head 4 travels forward, speed constantly increases in guide assembly 3 along guide rail 34,
Testing stand 1 is eventually arrived at, product testing part is impacted, impact test is completed.Wherein, seeker 33 also includes close open
Close, whenever impact head 4 is passed through after a seeker 33, proximity switch perceives impact head 4 and has already passed through the seeker 33, described to connect
The connection of the seeker 33 and power supply is closely switched off, the magnetic force pair produced with the seeker 33 for preventing impact head 4 from having already passed through
Seeker 4 produces the magnetic force of interference.
, can be with the double action of gravity of the present embodiment in the magnetic force and impact head that seeker is produced to impact head in itself
Do not increasing the situation of the quality of impact head, impact head relative to the height for the product testing part bearing for needing to do impact test
Under, to increase impact energy, to meet requirement of the mechanical shock test to impact capacity.The testing equipment compact conformation, volume
It is compact, overcome pendulum mechanical shock test equipment in the prior art, drop hammer type mechanical shock test equipment it is not enough there is provided
A kind of new impact test equipment, has promoted the development of technology.
Claims (10)
1. a kind of mechanical shock test's equipment, the testing equipment includes testing stand (1), frame (2), guide assembly (3), impact head
(4), product clamper (11)；Characterized in that,
The product clamper (11) is arranged on the testing stand (1), needs to do the product testing part of impact test for clamping,
Prevent that product testing part comes off from the testing stand (1) during impact test；
The frame (2) is removably mounted on smooth ground, top and the guide assembly (3) of the frame (2)
It is fixedly connected using dismountable mode, for supporting the guide assembly (3), the frame (2) is adopted with the testing stand (1)
It is fixedly connected with dismountable mode；
One end of the guide assembly (3) is connected to the testing stand (1), and the other end of guide assembly (3) is impact head (4)
Original position, the height of one end of the guide assembly (3) is less than the height of its other end, under gravity, impact head
(4) moved from described original position along the guide rail (34).
2. a kind of mechanical shock test's equipment according to claim 1, it is characterised in that the guide assembly (3) includes
Seeker (33) and guide rail (34)；The guide rail (34) is in the shape of a spiral；The seeker (33) includes magnet coil, seeker
(33) profile is in horn-like, and be open the entrance that big side is the impact head (4), and the small side that is open is the impact head
(4) outlet；Multiple seekers (33) are arranged in order in its axial direction, it is overall also in the shape of a spiral, with the guide rail
(34) helical form is identical；The guide rail (34) is fixedly connected with each seeker (33) using detachable；Guide rail (34)
One end is connected to the testing stand (1), and the other end of guide rail (34) is the original position of impact head (4)；The impact head (4) by
Material being made comprising permanent-magnet material etc. is constituted；In the presence of gravity and electromagnetic force, impact head (4) is from described original position
Moved along the guide rail (34).
3. a kind of mechanical shock test's equipment according to any one of claim 1-2, it is characterised in that the product clip
Having (11) has rubber sheet gasket, prevents product clamper from product testing part is crushed.
4. a kind of mechanical shock test's equipment according to any one of claim 1-2, it is characterised in that the product clip
Having (11) has nylon spacer, prevents product clamper from product testing part is crushed.
5. a kind of mechanical shock test's equipment according to any one of claim 1-4, it is characterised in that the impact head
(4) largest contours size is less than the minimum diameter size of the seeker (33) inner chamber.
6. a kind of mechanical shock test's equipment according to claim 1, it is characterised in that the testing equipment also includes electricity
Source, controller, signal projector, information-storing device, display, speed detector；Power supply is controller, signal projector, letter
Breath memory, display, speed detector etc. need the part of electric energy to power；The speed detector is arranged on the testing stand
(1) on, for detecting that the impact head (4) reaches speed of the testing stand when impacting product testing part；The speed inspection
Survey device to transmit the velocity information detected to the signal projector, the signal projector transmits velocity information to described
Controller, velocity information is converted into corresponding mechanical shock energy information after controller is handled, then by described machinery
Impact energy information transfer is stored into information-storing device to display, and by described mechanical shock energy information.
7. a kind of mechanical shock test's equipment according to claim 2, it is characterised in that the power supply is 220V household electrics
One kind in source, 380V electrical source of power or small power generation electromechanical source.
8. a kind of mechanical shock test's equipment according to claim 2, it is characterised in that the speed detector is arranged on
Near the position that testing stand (1) is connected with the guide rail (34).
9. a kind of mechanical shock test's equipment according to claim 2, it is characterised in that the signal projector (7) with
The controller (6) is connected by the transmission means of wireless connection or wired connection.
10. a kind of mechanical shock test's equipment according to claim 5, it is characterised in that the wireless connection is using blue
Tooth transmits connected mode.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811281299.7A CN109141801A (en) | 2017-05-25 | 2017-05-25 | Device for mechanical shock test |
| CN201710376767.8A CN106989890B (en) | 2017-05-25 | 2017-05-25 | A kind of mechanical shock test's equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710376767.8A CN106989890B (en) | 2017-05-25 | 2017-05-25 | A kind of mechanical shock test's equipment |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811281299.7A Division CN109141801A (en) | 2017-05-25 | 2017-05-25 | Device for mechanical shock test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106989890A true CN106989890A (en) | 2017-07-28 |
| CN106989890B CN106989890B (en) | 2019-01-04 |
Family
ID=59420347
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710376767.8A Expired - Fee Related CN106989890B (en) | 2017-05-25 | 2017-05-25 | A kind of mechanical shock test's equipment |
| CN201811281299.7A Pending CN109141801A (en) | 2017-05-25 | 2017-05-25 | Device for mechanical shock test |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811281299.7A Pending CN109141801A (en) | 2017-05-25 | 2017-05-25 | Device for mechanical shock test |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106989890B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507888A (en) * | 2018-04-25 | 2018-09-07 | 中国矿业大学(北京) | A kind of non-contact self-priming dynamic impact device |
| CN115060448A (en) * | 2022-06-22 | 2022-09-16 | 江苏德纳精工轴承有限公司 | Bearing impact resistance test device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823493A (en) * | 2019-12-04 | 2020-02-21 | 中国建材检验认证集团(陕西)有限公司 | Hidden water tank shock resistance test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU679850A1 (en) * | 1977-04-22 | 1979-08-15 | Новосибирский электротехнический институт | Pile driver |
| CN2771847Y (en) * | 2005-03-18 | 2006-04-12 | 杨文涛 | Drop-off grinding ball test machine |
| CN202793944U (en) * | 2012-07-27 | 2013-03-13 | 华中科技大学 | Drop hammer type impact test device |
| CN103134655A (en) * | 2013-02-06 | 2013-06-05 | 浣石 | Rotary hammer type impact test device |
| CN103293069A (en) * | 2013-05-10 | 2013-09-11 | 广东工业大学 | Multi-way high-energy high-speed electromagnetic force impact intelligent control testing device and method |
| CN103712764A (en) * | 2013-11-29 | 2014-04-09 | 上海卫星装备研究所 | Electromagnetic hammer |
| CN204101259U (en) * | 2014-09-05 | 2015-01-14 | 上海同耀通信技术有限公司 | A kind of heavy impact experimental provision |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3611783A (en) * | 1968-06-20 | 1971-10-12 | Hill Acme Co | Electromagnetically energized impact forming device |
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2017
- 2017-05-25 CN CN201710376767.8A patent/CN106989890B/en not_active Expired - Fee Related
- 2017-05-25 CN CN201811281299.7A patent/CN109141801A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU679850A1 (en) * | 1977-04-22 | 1979-08-15 | Новосибирский электротехнический институт | Pile driver |
| CN2771847Y (en) * | 2005-03-18 | 2006-04-12 | 杨文涛 | Drop-off grinding ball test machine |
| CN202793944U (en) * | 2012-07-27 | 2013-03-13 | 华中科技大学 | Drop hammer type impact test device |
| CN103134655A (en) * | 2013-02-06 | 2013-06-05 | 浣石 | Rotary hammer type impact test device |
| CN103293069A (en) * | 2013-05-10 | 2013-09-11 | 广东工业大学 | Multi-way high-energy high-speed electromagnetic force impact intelligent control testing device and method |
| CN103712764A (en) * | 2013-11-29 | 2014-04-09 | 上海卫星装备研究所 | Electromagnetic hammer |
| CN204101259U (en) * | 2014-09-05 | 2015-01-14 | 上海同耀通信技术有限公司 | A kind of heavy impact experimental provision |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507888A (en) * | 2018-04-25 | 2018-09-07 | 中国矿业大学(北京) | A kind of non-contact self-priming dynamic impact device |
| CN115060448A (en) * | 2022-06-22 | 2022-09-16 | 江苏德纳精工轴承有限公司 | Bearing impact resistance test device |
| CN115060448B (en) * | 2022-06-22 | 2024-03-22 | 江苏德纳精工轴承有限公司 | Test device for impact resistance of bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109141801A (en) | 2019-01-04 |
| CN106989890B (en) | 2019-01-04 |
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