CN108548733A - Vertical falling ball impact test machine - Google Patents
Vertical falling ball impact test machine Download PDFInfo
- Publication number
- CN108548733A CN108548733A CN201810347323.6A CN201810347323A CN108548733A CN 108548733 A CN108548733 A CN 108548733A CN 201810347323 A CN201810347323 A CN 201810347323A CN 108548733 A CN108548733 A CN 108548733A
- Authority
- CN
- China
- Prior art keywords
- ball
- falling sphere
- receiving
- falling
- steel
- 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.)
- Granted
Links
- 238000009863 impact test Methods 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 138
- 239000010959 steel Substances 0.000 claims abstract description 138
- 239000004568 cement Substances 0.000 claims abstract description 22
- 230000001681 protective effect Effects 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
Abstract
The present invention relates to the vertical falling ball impact test machines in testing equipment field,Including falling sphere mechanism,It receives mechanism,Automatic Apparatus for feeding balls as disintegrating members structure and product support cement platform,Tested product is placed in the product support cement platform of stable structure,The stability of complete machine can be improved in product support cement platform,Falling sphere mechanism, which can realize, automatically controls falling sphere,Steel ball is set to do the movement of falling object along the inside center of falling sphere steel pipe,Product is impacted by the movement of falling object of steel pipe,Test action is realized with this,Mechanism of receiving can the upper telescopic baffle component of automatic sensing control and lower telescopic baffle component,And steel ball is caught at the first time after steel ball rebound,Secondary pulse is carried out to product after avoiding steel ball from springing back,Steel ball is automatically transmitted to the top of falling sphere mechanism by automatic Apparatus for feeding balls as disintegrating members structure,Repeat next impact test action,Entirety can realize vertical falling ball impact test automatically,Test multiple product can be adapted to by lift adjustment setting,Integrated operation is simple,And measuring accuracy is high.
Description
Technical field
The present invention relates to testing equipment fields, and in particular to impact device field.
Background technology
Falling ball impact test machine is suitable for the impact strength of the products such as plastic cement, ceramics, acrylic, glass, eyeglass, hardware
Test.When work, test product being placed on experiment table top, presses and falls key, steel ball free falls, and is impacted to test product,
The steel ball of predetermined weight impacts product, then check product from free-electron model on regulation falling height on product
Appearance and various aspects of performance according to the repeatable experiment of the needs of client and replace ball test or replacement product testing etc., this
When should record each test result.
There is also following defects for existing falling ball impact test machine：1）Product orientation is not accurate enough, and test error is big；2）Machine
Platform is simple in structure, and stability is not high；3）It is inconvenient, it needs to carry out putting ball manually and tidies up steel ball, the degree of automation is not high.
Invention content
Present invention aim to address disadvantages described above, provide vertical falling ball impact test machine, can test multiple product, survey
It is high to try precision.
The purpose of the present invention is what is be accomplished by the following way：
Vertical falling ball impact test machine, including falling sphere mechanism, mechanism of receiving, automatic Apparatus for feeding balls as disintegrating members structure and product support cement platform, fall
Ball machine structure includes falling sphere board, falling sphere column and falling sphere steel pipe, and falling sphere uprights vertical is mounted on the rear end of falling sphere board, falls upwards
Ball column is internally provided with accommodating chamber, master control distribution box is equipped in accommodating chamber, and be equipped with and master in the side of falling sphere column
The man machine operation interface that control distribution box is electrically connected, falling sphere steel pipe are mounted on falling sphere column by the connection of steel pipe lifting component
Front, by steel pipe lifting component drive falling sphere steel pipe along falling sphere column carry out lifting moving adjusting, and falling sphere steel pipe perpendicular to
The top of horizontal plane, falling sphere steel pipe is steel pipe entrance, and the bottom of falling sphere steel pipe exports for steel pipe, successively along the top of steel pipe entrance
It is equipped with support ball component, folder ball component and the laser sight irradiated vertically downward upwards, the middle part of falling sphere steel pipe is equipped with for feeling
The steel ball sensing device of steel ball drop, steel ball sensing device is answered to be electrically connected with master control distribution box；Mechanism of receiving includes connecing
Ball machine platform, receive column and ball-suction device, uprights vertical of receiving are mounted on the middle part for board of receiving upwards, and board of receiving is installed on
The front end top surface of falling sphere board, the front end of receive board and falling sphere board offer the side that cement platform is supported for installing product
Shape is open, and board of receiving supports the bottom of cement platform to be equipped with the support leg contacted with level ground with falling sphere board and product,
Ball-suction device is mounted on the front for column of receiving by lifting assembly connection of receiving, and by receiving, lifting assembly drives ball-suction device edge
Column of receiving carries out lifting moving adjusting, and ball-suction device includes receive bucket, upper telescopic baffle component and lower telescopic baffle component, is connect
The top of ball bucket is above to receive opening, and the lower section of bucket of receiving is received opening under being, bucket of receiving positioned at the underface that steel pipe exports, and
The receive inside of bucket is connected with the inside of falling sphere steel pipe in same straight line, upper telescopic baffle component and lower telescopic baffle component with
Master control distribution box is electrically connected, and upper telescopic baffle component is set to the top for bucket of receiving, and lower telescopic baffle component is set to
It receives the lower section of bucket, opening of receiving can be stopped when upper telescopic baffle component acts, when telescopic baffle component acts instantly
Can stop down opening of receiving, product support cement platform is received the underface of opening under being located at, laser sight vertically downward according to
Falling sphere steel pipe is each passed through when penetrating and bucket of receiving, last drop point is on the product that product supports cement platform；Automatic Apparatus for feeding balls as disintegrating members structure is perpendicular
The straight front end for being set to falling sphere board, automatic Apparatus for feeding balls as disintegrating members structure includes upper ball column and dribbling device, and dribbling device passes through upper ball liter
Part of coming down to a lower group connection is mounted on upper ball column, drives dribbling device to carry out lifting moving along upper ball column by upper ball lifting assembly,
Upper ball column is located at by falling sphere steel pipe, dribbling device by steel ball holding tank, block ball component and steel ball runner is constituted, steel ball holding tank
Opening upwards, for placing steel ball, steel ball runner is connected with steel ball holding tank, and extend to folder ball component upper front, make
Steel ball can from steel ball holding tank along steel ball runner roll to folder ball component in be clamped, block ball component and be set to steel ball runner
Rear end can stop when blocking ball component action in steel ball rolling to folder ball component.
In above description, as a preferred option, the front top of receive board and the falling sphere board is equipped with protective cover,
Single open-door is equipped with before protective cover, single open-door is located at the inferoanterior for bucket of receiving.
In above description, as a preferred option, it is also connected in front of the upper ball column and transparent protection plate is installed, thoroughly
Bright protection board is vertically-mounted, and the lower end of transparent protection plate is equipped with steel ball and places opening, and the edge that steel ball places opening is equipped with safety
It is the rear that steel ball places opening to protect grating, the lower limit that dribbling device declines, and directly can place opening by steel ball from steel ball
It is positioned on the steel ball holding tank of dribbling device.
In above description, as a preferred option, the bottom of the support leg is equipped with height-adjustable footed glass.
In above description, as a preferred option, the folder ball component is made of positioning seat, folder ball cylinder and V-clevis,
V-clevis is mounted on the telescopic rod of folder ball cylinder, and V-clevis is oppositely arranged with positioning seat and is in same level, works as folder
When ball cylinder movement, to drive V-clevis to clamp steel ball.
In above description, as a preferred option, the support ball component is made of two pallets and two support ball cylinders, and two
A pallet and two support ball cylinders are oppositely arranged and are in same level, and pallet is arcuate structure, and pallet is mounted on support ball gas
On the telescopic rod of cylinder, when asking ball cylinder to act simultaneously for two, drives two pallets to close up simultaneously and carry out support steel ball.
In above description, as a preferred option, the surface of the falling sphere steel pipe is evenly distributed with several air holes.
The invention has the advantages that：It is provided with falling sphere mechanism, mechanism of receiving, automatic Apparatus for feeding balls as disintegrating members structure and product branch
Cement platform is supportted, tested product is placed in the product support cement platform of stable structure, board of receiving, falling sphere board and product
The stability of complete machine can be improved in the combination of support cement platform, and falling sphere mechanism, which can realize, automatically controls falling sphere, makes steel ball along falling sphere steel
The inside center of pipe does the movement of falling object, impacts product by the movement of falling object of steel pipe, and test action is realized with this,
Mechanism of receiving can the upper telescopic baffle component of automatic sensing control and lower telescopic baffle component, and connect at the first time after steel ball rebound
Firmly steel ball carries out secondary pulse, precisely safety after avoiding steel ball from springing back to product, and by automatic Apparatus for feeding balls as disintegrating members structure that steel ball is automatic
It is sent to the top of falling sphere mechanism, next impact test action is repeated, can integrally realize vertical falling ball impact test automatically, it can
Test multiple product is adapted to by lift adjustment setting, integrated operation is simple, and carries out aiming positioning using laser sight,
Measuring accuracy is high.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the embodiment of the present invention；
Fig. 2 is the dimensional structure diagram of posterior view point of the embodiment of the present invention；
Fig. 3 is the dimensional structure diagram of decline ball machine structure of the embodiment of the present invention；
Fig. 4 is the dimensional structure diagram of mechanism of receiving in the embodiment of the present invention；
Fig. 5 is the dimensional structure diagram of automatic Apparatus for feeding balls as disintegrating members structure in the embodiment of the present invention；
In figure, 01 is falling sphere mechanism, and 02 is mechanism of receiving, and 03 is automatic Apparatus for feeding balls as disintegrating members structure, and 04 supports cement platform for product, and 05 is foot
Cup, 101 be falling sphere board, and 102 be falling sphere column, and 103 be falling sphere steel pipe, and 104 be master control distribution box, and 105 be steel pipe lifting group
Part, 106 be support ball component, and 107 be folder ball component, and 108 be laser sight, and 109 be steel ball sensing device, and 201 be machine of receiving
Platform, 202 is receive column, and 203 be lifting assembly of receiving, and 204 be bucket of receiving, and 205 be upper telescopic baffle component, 206 be under stretch
Contracting baffle plate assembly, 301 be upper ball column, and 302 be dribbling device, and 303 be protective cover, and 304 be single open-door, and 305 be transparency protected
Plate, 306 be safeguard protection grating, and 307 place opening for steel ball.
Specific implementation mode
Present invention is further described in detail with specific implementation mode below in conjunction with the accompanying drawings.
The present embodiment ,-Fig. 5, the vertical falling ball impact test machine of specific implementation include falling sphere mechanism 01, connect referring to Fig.1
Ball machine structure 02, automatic Apparatus for feeding balls as disintegrating members structure 03 and product support cement platform 04.
As shown in figure 3, falling sphere mechanism 01 includes falling sphere board 101, falling sphere column 102 and falling sphere steel pipe 103, falling sphere column
102 are mounted on the rear end of falling sphere board 101 vertically upward, and falling sphere column 102 is internally provided with accommodating chamber, is set in accommodating chamber
There is master control distribution box 104, and is equipped with the man-machine behaviour being electrically connected with master control distribution box 104 in the side of falling sphere column 102
Make interface, falling sphere steel pipe 103 is mounted on the front of falling sphere column 102 by the connection of steel pipe lifting component 105, by steel pipe lifting group
Part 105 drives falling sphere steel pipe 103 to carry out lifting moving adjusting along falling sphere column 102, and falling sphere steel pipe 103 is perpendicular to horizontal plane,
The top of falling sphere steel pipe 103 is steel pipe entrance, and the bottom of falling sphere steel pipe 103 exports for steel pipe, and the surface of falling sphere steel pipe 103 is uniform
Several air holes are distributed with, are equipped with support ball component 106, folder ball component 107 and vertical upwards in turn along the top of steel pipe entrance
The laser sight 108 being aimed downwardly, the middle part of falling sphere steel pipe 103 are equipped with the steel ball sensing device for incuding steel ball drop
109, steel ball sensing device 109 is electrically connected with master control distribution box 104.
Folder ball component 107 is made of positioning seat, folder ball cylinder and V-clevis, and V-clevis is mounted on the flexible of folder ball cylinder
On bar, V-clevis is oppositely arranged with positioning seat and is in same level, when pressing from both sides ball cylinder movement, to drive V-clevis
Clamp steel ball.Support ball component 106 is made of two pallets and two support ball cylinders, and two pallets and two support ball cylinders are set relatively
Same level is set and is in, pallet is arcuate structure, and pallet is mounted on the telescopic rod of support ball cylinder, and ball cylinder is held in the palm when two
When acting simultaneously, drives two pallets to close up simultaneously and carry out support steel ball.
As shown in figure 4, mechanism 02 of receiving includes receive board 201, receive column 202 and ball-suction device, column 202 of receiving
It is mounted on the middle part for board 201 of receiving vertically upward, board 201 of receiving is installed on the front end top surface of falling sphere board 101, machine of receiving
The front end of platform 201 and falling sphere board 101 offers the square aperture that cement platform 04 is supported for installing product, board of receiving
201 support the bottom of cement platform 04 to be equipped with the support leg contacted with level ground with falling sphere board 101 and product, support leg
Bottom is equipped with height-adjustable footed glass 05, and ball-suction device is mounted on column 202 of receiving by the connection of lifting assembly 203 of receiving
Front, by receive lifting assembly 203 drive ball-suction device along receive column 202 carry out lifting moving adjusting, ball-suction device packet
Bucket 204 of receiving, upper telescopic baffle component 205 and lower telescopic baffle component 206 are included, the top for bucket 204 of receiving is opening of above receiving,
Receive bucket 204 lower section be under receive opening, bucket 204 of receiving is located at the underface of steel pipe outlet, and the inside for bucket 204 of receiving and
The inside of falling sphere steel pipe 103 is connected in same straight line, and upper telescopic baffle component 205 and lower telescopic baffle component 206 are and master control
Distribution box 104 is electrically connected, and upper telescopic baffle component 205 is set to the top for bucket 204 of receiving, lower telescopic baffle component
206 are set to the lower section for bucket 204 of receiving, and can stop opening of receiving when upper telescopic baffle component 205 acts, stretch instantly
Baffle plate assembly 206 can stop down opening of receiving when acting, and product support cement platform 04 is received the underface of opening under being located at, sharp
Light sighting device 108 is each passed through falling sphere steel pipe 103 and bucket 204 of receiving when irradiating vertically downward, and last drop point supports water in product
On the product of mud platform 04.
As shown in figure 5, automatic Apparatus for feeding balls as disintegrating members structure 03 is vertically arranged at the front end of falling sphere board 101, automatic Apparatus for feeding balls as disintegrating members structure 03 wraps
Ball column 301 and dribbling device 302 are included, dribbling device 302 is mounted on upper ball column 301 by the connection of upper ball lifting assembly
On, drive dribbling device 302 to carry out lifting moving along upper ball column 301 by upper ball lifting assembly, upper ball column 301 is located at falling sphere
By steel pipe 103, dribbling device 302 by steel ball holding tank, block ball component and steel ball runner is constituted, the opening of steel ball holding tank to
On, for placing steel ball, steel ball runner is connected with steel ball holding tank, and extends to the upper front of folder ball component 107, makes steel ball can
It rolls to being clamped in folder ball component 107, is blocked after ball component is set to steel ball runner from steel ball holding tank along steel ball runner
End can stop when blocking ball component action in steel ball rolling to folder ball component 107.It receives the front end of board 201 and falling sphere board 101
Top is equipped with protective cover 303, is equipped with single open-door 304 before protective cover 303, single open-door 304 be located at bucket 204 of receiving it is lower before
Side.The front of upper ball column 301, which is also connected with, is equipped with transparent protection plate 305, and transparent protection plate 305 is vertically-mounted, transparency protected
The lower end of plate 305 is equipped with steel ball and places opening 307, and the edge that steel ball places opening 307 is equipped with safeguard protection grating 306, dribble
The lower limit that device 302 declines is the rear that steel ball places opening 307, directly can place opening 307 from steel ball and place steel ball
In on the steel ball holding tank of dribbling device 302.
The above content is combining, specific preferred embodiment is made for the present invention to be further described, and it cannot be said that originally
The specific implementation of invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, not
Under the premise of being detached from present inventive concept, a number of simple deductions or replacements can also be made, is regarded as protection scope of the present invention.
Claims (7)
1. vertical falling ball impact test machine, including falling sphere mechanism, mechanism of receiving, automatic Apparatus for feeding balls as disintegrating members structure and product support cement platform,
It is characterized in that：Falling sphere mechanism includes falling sphere board, falling sphere column and falling sphere steel pipe, and falling sphere uprights vertical is mounted on falling sphere upwards
The rear end of board, falling sphere column are internally provided with accommodating chamber, are equipped with master control distribution box in accommodating chamber, and in falling sphere column
Side is equipped with the man machine operation interface being electrically connected with master control distribution box, and falling sphere steel pipe is connected by steel pipe lifting component pacifies
Mounted in the front of falling sphere column, falling sphere steel pipe is driven to carry out lifting moving adjusting along falling sphere column by steel pipe lifting component, and fall
Ball steel pipe is perpendicular to horizontal plane, and the top of falling sphere steel pipe is steel pipe entrance, and the bottom of falling sphere steel pipe exports for steel pipe, enters along steel pipe
The top of mouth is equipped with upwards in turn holds in the palm ball component, folder ball component and the laser sight irradiated vertically downward, in falling sphere steel pipe
Portion is equipped with the steel ball sensing device for incuding steel ball drop, and steel ball sensing device is electrically connected with master control distribution box；It connects
Ball machine structure includes receive board, receive column and ball-suction device, and uprights vertical of receiving is mounted on the middle part for board of receiving upwards, connects
Ball machine platform is installed on the front end top surface of falling sphere board, and the front end of receive board and falling sphere board is offered for installing product branch
The square aperture for supportting cement platform, board of receiving support the bottom of cement platform to be equipped with and are connect with level ground with falling sphere board and product
Tactile support leg, ball-suction device is mounted on the front for column of receiving by lifting assembly connection of receiving, by lifting assembly band of receiving
Dynamic ball-suction device carries out lifting moving adjusting along column of receiving, ball-suction device include receive bucket, upper telescopic baffle component and under stretch
Contracting baffle plate assembly, the top of bucket of receiving are opening of above receiving, and the lower section of bucket of receiving is received opening under being, is received and is struggled against to go out positioned at steel pipe
Mouthful underface, and the inside for bucket of receiving is connected with the inside of falling sphere steel pipe in same straight line, upper telescopic baffle component and under stretch
Contracting baffle plate assembly is electrically connected with master control distribution box, and upper telescopic baffle component is set to the top for bucket of receiving, lower flexible
Baffle plate assembly is set to the lower section for bucket of receiving, and can stop opening of receiving when upper telescopic baffle component acts, stretch instantly
Baffle plate assembly can stop down opening of receiving when acting, and product is received the underface of opening under supporting cement platform to be located at, and laser is taken aim at
Quasi- device is each passed through falling sphere steel pipe and bucket of receiving when irradiating vertically downward, last drop point is on the product that product supports cement platform；
Automatic Apparatus for feeding balls as disintegrating members structure is vertically arranged at the front end of falling sphere board, and automatic Apparatus for feeding balls as disintegrating members structure includes upper ball column and dribbling device, dribble
Device is mounted on by the connection of upper ball lifting assembly on upper ball column, drives dribbling device along upper ball column by upper ball lifting assembly
Carry out lifting moving, upper ball column is located at by falling sphere steel pipe, dribbling device by steel ball holding tank, block ball component and steel ball runner structure
At the opening upwards of steel ball holding tank, for placing steel ball, steel ball runner is connected with steel ball holding tank, and extends to folder ball group
The upper front of part, make steel ball can from steel ball holding tank along steel ball runner roll to folder ball component in be clamped, block ball component and set
It is placed in the rear end of steel ball runner, can be stopped when blocking ball component action in steel ball rolling to folder ball component.
2. vertical falling ball impact test machine according to claim 1, it is characterised in that：Receive board and the falling sphere board
Front top is equipped with protective cover, and single open-door is equipped with before protective cover, and single open-door is located at the inferoanterior for bucket of receiving.
3. vertical falling ball impact test machine according to claim 1, it is characterised in that：It is also connected in front of the upper ball column
Transparent protection plate is installed, transparent protection plate is vertically-mounted, and the lower end of transparent protection plate is equipped with steel ball and places opening, and steel ball is placed
The edge of opening be equipped with safeguard protection grating, dribbling device decline lower limit be steel ball place opening rear, can directly from
Steel ball places opening and steel ball is positioned on the steel ball holding tank of dribbling device.
4. vertical falling ball impact test machine according to claim 1, it is characterised in that：The bottom of the support leg is equipped with can
Adjust the footed glass of height.
5. vertical falling ball impact test machine according to claim 1, it is characterised in that：The folder ball component is by positioning seat, folder
Ball cylinder and V-clevis are constituted, and V-clevis is mounted on the telescopic rod of folder ball cylinder, V-clevis be oppositely arranged with positioning seat and
In same level, when pressing from both sides ball cylinder movement, to drive V-clevis to clamp steel ball.
6. vertical falling ball impact test machine according to claim 1, it is characterised in that：The support ball component by two pallets and
Two support ball cylinders are constituted, and two pallets and two support ball cylinders are oppositely arranged and are in same level, and pallet is arc knot
Structure, pallet are mounted on the telescopic rod of support ball cylinder, when asking ball cylinder to act simultaneously for two, two pallets are driven to close up simultaneously
Carry out support steel ball.
7. vertical falling ball impact test machine according to claim 1, it is characterised in that：The surface of the falling sphere steel pipe is uniformly divided
It is furnished with several air holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810347323.6A CN108548733B (en) | 2018-04-18 | 2018-04-18 | Vertical ball drop impact testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810347323.6A CN108548733B (en) | 2018-04-18 | 2018-04-18 | Vertical ball drop impact testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108548733A true CN108548733A (en) | 2018-09-18 |
| CN108548733B CN108548733B (en) | 2023-12-26 |
Family
ID=63515214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810347323.6A Active CN108548733B (en) | 2018-04-18 | 2018-04-18 | Vertical ball drop impact testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108548733B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540704A (en) * | 2018-12-29 | 2019-03-29 | 东莞市荣享电子科技有限公司 | A kind of display screen gravity detection device and its application method |
| 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 |
| CN110169839A (en) * | 2019-05-29 | 2019-08-27 | 上海塔望智能科技有限公司 | A kind of animal spinal cord injury test macro |
| CN110231233A (en) * | 2019-05-31 | 2019-09-13 | 彩虹集团（邵阳）特种玻璃有限公司 | One kind being recycled automatic falling ball impact test machine and its application method |
| CN110411694A (en) * | 2019-08-24 | 2019-11-05 | 苏州苏勃检测技术服务有限公司 | A kind of Drop tester preventing secondary pulse |
| CN114608780A (en) * | 2022-02-11 | 2022-06-10 | 联宝(合肥)电子科技有限公司 | Falling ball testing device |
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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 |
| CN109540704A (en) * | 2018-12-29 | 2019-03-29 | 东莞市荣享电子科技有限公司 | A kind of display screen gravity detection device and its application method |
| CN110169839A (en) * | 2019-05-29 | 2019-08-27 | 上海塔望智能科技有限公司 | A kind of animal spinal cord injury test macro |
| CN110231233A (en) * | 2019-05-31 | 2019-09-13 | 彩虹集团（邵阳）特种玻璃有限公司 | One kind being recycled automatic falling ball impact test machine and its application method |
| CN110411694A (en) * | 2019-08-24 | 2019-11-05 | 苏州苏勃检测技术服务有限公司 | A kind of Drop tester preventing secondary pulse |
| CN114608780A (en) * | 2022-02-11 | 2022-06-10 | 联宝(合肥)电子科技有限公司 | Falling ball testing device |
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| CN108548733B (en) | 2023-12-26 |
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