CN109282955A - Ball beating testing machine - Google Patents
Ball beating testing machine Download PDFInfo
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- CN109282955A CN109282955A CN201811308127.4A CN201811308127A CN109282955A CN 109282955 A CN109282955 A CN 109282955A CN 201811308127 A CN201811308127 A CN 201811308127A CN 109282955 A CN109282955 A CN 109282955A
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- testing machine
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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
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0075—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by means of external apparatus, e.g. test benches or portable test systems
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- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of ball beating testing machines, are related to ball detection technique field.Technical points include: chassis；Guide part is vertically arranged on chassis, and inside is formed with the directed cavity slid vertically for ball；Overhead gage, level are set to the upper end of directed cavity and are fixedly connected with guide part；Driving plate is horizontally placed on the downside in directed cavity；Driving mechanism is connected to the lower end of driving plate, and for driving driving plate to move back and forth up and down, the present invention has the advantages that the ball quality of automatic detection.
Description
Technical field
The present invention relates to ball detection technique fields, more specifically, it relates to a kind of ball beating testing machine.
Background technique
Ball is a kind of sports goods, just like balls such as basketball, vollyball, footballs, by patting ball, so that ball rebound is detection
The effective means of ball quality.And existing beating test mainly passes through manual testing, tester's test large labor intensity, and survey
Test result varies with each individual, and can not form unified effective standard.
Summary of the invention
Problem in view of the prior art, the purpose of the present invention is to provide a kind of ball beating testing machines, have automatic
Change the advantages of detecting ball quality.
To achieve the above object, the present invention provides the following technical scheme that a kind of ball beating testing machine, comprising:
Chassis,
Guide part is vertically arranged on chassis, and inside is formed with the directed cavity slid vertically for ball；
Overhead gage, level are set to the upper end of directed cavity and are fixedly connected with guide part；
Driving plate is horizontally placed on the downside in directed cavity；
Driving mechanism is connected to the lower end of driving plate, for driving driving plate to move back and forth up and down.
By using above-mentioned technical proposal, when detection, sphere is put into directed cavity, driving mechanism, driving mechanism are started
Drive driving plate is reciprocal to move up and down.Therefore sphere erects under the upward thrust of driving plate along directed cavity upwards first
Straight sliding, until contact overhead gage.Overhead gage give sphere reaction force and combine sphere itself gravity, by sphere rebound to
In driving plate；Driving plate moves up promotion sphere again, thus it is successively reciprocal, realize the beating test of sphere.During this, leading
The effect that is vertically directed to chamber, sphere will not generate offset.Simultaneously in the active force for acting on sphere of driving plate, can pass through
Driving mechanism is adjusted；Sphere rebound has gravity by itself, to ensure that sphere in stable past of ball beating testing machine
It is multiple, to pat sphere by automation, the quality of sphere is detected.
The present invention is further arranged to: the driving mechanism includes for providing the vertical power source of power repeatedly and being used for
Absorb the dampening assembly that impact force in driving plate is converted into elastic potential energy.
By using above-mentioned technical proposal, since sphere rebound falls back in driving plate, impact force can be generated to driving plate,
If sphere attacks driving plate directly, impact can be generated to driving mechanism, to influence the service life of driving mechanism；And pass through dampening assembly
Setting, after converting elastic potential energy for the impact force of sphere, impact force can be slowed down first；Secondly it is mentioned in driving plate for sphere
When arch thrust, elastic potential energy translates into thrust, is promoted to spherical thrust.
The present invention is further arranged to: the power source is cylinder, and the cylinder body of the cylinder is fixedly connected on chassis, institute
The piston rod for stating cylinder is pierced by from upper end and is connected in the middle part of driving plate bottom surface；The quantity at least two of the dampening assembly,
And the dampening assembly is evenly arranged along the outer circumferential of cylinder block.
By using above-mentioned technical proposal, the piston shaft of cylinder is connected in the middle part of driving plate bottom surface, is provided surely for driving plate
The fixed power slid up and down；And dampening assembly is evenly arranged the uniform force that ensure that on drive disk, guarantees to provide for gas and pushes away
Power is stablized.
The present invention is further arranged to: the dampening assembly includes being connected to damping tube on the outside of cylinder block vertically, setting
It is placed in the assister bar of damping spring in damping tube, lower end connection damping spring upper end connection driving plate.
By using above-mentioned technical proposal, damping spring is placed in damping tube, can be guaranteed that damping spring is realized and be stablized
Sliding up and down, by assister bar transmit damping spring elasticity, realize the damping effect of dampening assembly.
The present invention is further arranged to: the inlet end of the cylinder is connected with air accumulator.
It when cylinder pats sphere needs that cylinder is asked to be rapidly performed by inflation/deflation by using above-mentioned technical proposal.Setting storage
Gas tank can store gas in air accumulator, when having the effect of fast implementing inflation/deflation compared to directly ventilating.
The present invention is further arranged to: the guide part includes fixed part and door portion, and the door portion is articulated on fixed part,
And the door portion and fixed part form the rounded directed cavity in longitudinal section.
By using above-mentioned technical proposal, circular directed cavity and sphere are matched, so that sphere, which is stablized, carries out vertical side
Upward sliding；And pass through the design of fixed part and door portion, so that sphere picks and places conveniently in directed cavity.
The present invention is further arranged to: the fixed part is fixed between the chassis and overhead gage, and the door portion is hinged
In on the fixed part；The fixed part includes that several be connected between overhead gage and chassis determines guide rod, and the door portion includes hinge
Be connected on overhead gage on connect block, connect in correspondence block is connect under block is articulated on chassis and be connected to vertically connect block and under connect
Dynamic guide rod between block.
It is first using dynamic guide rod and by the way of determining guide rod arrangement using when door body is shut by using above-mentioned technical proposal
Material can be first saved, next is also convenient for experimenter directly from outside by observation sphere detection between the gap between guide rod
Situation.
The present invention is further arranged to: it is described to determine to be rotatably connected to adjusting block on the side of guide rod and dynamic guide rod inwardly,
Adjusting rod is vertically fixed on the adjusting block.
By using above-mentioned technical proposal, by rotating adjusting rod, so that adjusting rod is relative to determining guide rod and dynamic guide rod phase
Pair position change, when adjusting rod turns in directed cavity, the internal diameter of directed cavity reduces；So as to according to the big of sphere
It is small, the size of the adjusting directed cavity of adaptability.
The present invention is further arranged to: further including being connected on guide part and being located to close on one upper side of driving plate
Detection sensor, the detection sensor is out-of-date when detection ball warp, issues the detection signal for driving driving mechanism to act.
By using above-mentioned technical proposal, after sphere reaches detection sensor position, detection sensor issues detection letter
Number, so that driving mechanism drives driving plate to move up, to guarantee under different ball speed, driving plate can be that sphere provides in due course
Thrust.
The present invention is further arranged to: the ball testing machine of patting further includes the sensor for countering and electricity for being directed toward directed cavity
It is connected to the display screen of sensor for countering.
By using above-mentioned technical proposal, the number that sphere is patted is observed by display screen, can more accurately be divided
Analyse the product quality of sphere.
Compared with prior art, the beneficial effects of the present invention are:
(1) by being arranged driving plate under, upper, sphere resilient energy ensure that ball by itself gravity for overhead gage setting
Body is in stable reciprocal of ball beating testing machine, to be detected by automation beating sphere to the quality of sphere；
(2) by setting dampening assembly, after converting elastic potential energy for the impact force of sphere, impact force can be slowed down first；Its
Secondary when driving plate provides thrust for sphere, elastic potential energy translates into thrust, is promoted to spherical thrust；
(3) by rotating setting adjusting rod in directed cavity, so that position change of the adjusting rod relative to directed cavity, so as to
According to the size of sphere, the size of the adjusting directed cavity of adaptability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that embodiment 1 has sphere；
Fig. 2 is structural schematic diagram of the embodiment 1 without sphere；
Fig. 3 is the schematic cross-sectional view of embodiment 1；
Fig. 4 is the partial enlarged view of A in Fig. 3；
Fig. 5 is the structural schematic diagram of embodiment 2；
Fig. 6 is the schematic cross-sectional view that embodiment 3 highlights power source.
Appended drawing reference: 1, chassis；2, guide part；3, overhead gage；4, driving plate；5, driving mechanism；6, power source；7, damping
Component；8, bottom plate；9, stabilizer blade；10, fixed part；11, door portion；12, determine guide rod；13, guide rod is moved；14, block is connect on；15, block is connect under；
16, adjusting block；17, adjusting rod；18, fixed plate body；19, plate body is tested；20, cylinder；21, air accumulator；22, damping tube；23, subtract
Shake spring；24, connecting spring；25, shim；26, assister bar；29, detection sensor；30, sensor for countering；31, display screen；
32, controller；33, dead axle；34, cam；35, servo motor；36, driving chain；37, shell；38, dynamic iron core；39, determine iron
Core；40, movable push bar；41, reset spring；42, electromagnetic coil.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment 1, a kind of ball beating testing machine, as shown in Figure 1, including chassis 1, guide part 2, overhead gage 3, driving plate
4 and driving mechanism 5.Guide part 2 is vertically arranged on chassis 1, and inside is formed with the directed cavity slid vertically for ball；Overhead gage 3
Level is set to the top of directed cavity and is fixedly connected with guide part 2；Driving mechanism 5 is set to the lower end of directed cavity, and with chassis 1
It is fixedly connected；Driving plate 4 is horizontally placed in directed cavity, and is located at the upside of driving mechanism 5.Driving mechanism 5 connects driving plate
4, drive driving plate 4 to move back and forth up and down in directed cavity.
When detecting, sphere is put into directed cavity, starts driving mechanism 5, driving mechanism 5 drives driving plate 4 reciprocal
It moves up and down.Sphere slides under the upward thrust of driving plate 4 along directed cavity vertically upwards first, until keeping off in contact
Plate 3.Overhead gage 3 gives sphere reaction force and combines the gravity of sphere itself, and sphere is rebounded to driving plate 4；Driving plate 4
Promotion sphere is moved up again, thus it is successively reciprocal, realize the beating test of sphere.
Specifically, as shown in Figure 1, chassis 1 includes one piece of bottom plate 8 and four stabilizer blades 9.Bottom plate 8 is horizontally disposed side
Shape plate, four edges that four stabilizer blades 9 are respectively arranged at bottom plate 8 are high by 8 frame of bottom plate.
As shown in Fig. 2, guide part 2 is set to the middle part of 8 upper surface of bottom plate, surrounded by vertical guide rod along ring-type.
The longitudinal section of directed cavity is in circle compatible with sphere.And the directed cavity in guide part 2 picks and places sphere for convenience.Guiding
The above-mentioned body of rod is divided into the fixed part 10 for substantially accounting for 2/3 circular arc and substantially accounts for the door portion 11 of 1/3 circular arc by part 2.Fixed part 10 is fixed
Between chassis 1 and overhead gage 3, door portion 11 is articulated on fixed part 10；By opening or closing a portion 11, easily it is being oriented to
Intracavitary pick-and-place sphere.
Specifically, guide rod is determined in formation as shown in Fig. 2, the guide rod in fixed part 10 is fixed between overhead gage 3 and chassis 1
12, determine guide rod 12 and along the circumferential direction arranges at equal intervals.Door portion 11 include be articulated on overhead gage 3 on connect block 14 and it is corresponding on connect
Block 14 connects block 15 under being articulated on bottom plate 8.On connect block 14 to connect the shape of block 15 under identical arc-shaped in 1/3 circumference.
Guide rod in door portion 11 be connected to vertically connect block 14 and under connect between block 15, form dynamic guide rod 13.Dynamic guide rod 13 is arranged at equal intervals
Cloth it is upper connect block 14 and under connect between block 15；In door body closing, determine in the circular ring shape that guide rod 12 and dynamic guide rod 13 are encircled into, and
Spacing is equal between guide rod in guide part 2.
As shown in Fig. 2, the upper and lower ends of guide rod are socketed with adjusting block 16, there are two holes for setting on adjusting block 16, wherein
One hole is socketed on guide rod, realizes the rotation connection between adjusting block 16 and guide rod.And two adjusting blocks 16 on same guide rod
Between another hole in be plugged with the adjusting rod 17 for being parallel to guide rod, to be fixedly connected between adjusting rod 17 and adjusting block 16.
There is interval between adjusting rod 17 and guide rod, and the outer diameter of adjusting rod 17 is slightly less than guide rod.By rotating adjusting rod 17, so that adjusting
The position change opposite relative to guide rod of pole 17, when adjusting rod 17 turns in directed cavity, the internal diameter of directed cavity reduces, when
When adjusting rod 17 is turned to outside directed cavity, the internal diameter of directed cavity increases；Realize the size according to sphere, the adjusting guiding of adaptability
The size of chamber.
As shown in Fig. 2, overhead gage 3 includes fixed plate body 18 and test plate body 19.Fixed plate body 18 and test plate body 19 are equal
It is in the form of annular discs.Fixed plate body 18 is fixed by bolts in the upper end for determining guide rod 12.The outer diameter for testing plate body 19 is less than fixed plate body
18, and test plate body 19 and be bolted in the middle part of the lower end surface of fixed plate body 18.Testing plate body 19 can be Wood floor material
Matter, it is similar to the rebound state of realistic situation when so that ball impact testing plate body 19.
As shown in figure 3, driving mechanism 5 includes for providing the vertical power source 6 of power repeatedly and for absorbing driving plate 4
Upper impact force is converted into the dampening assembly 7 of elastic potential energy.By the setting of dampening assembly 7, bullet is converted by the impact force of sphere
After property potential energy, impact force can be slowed down first；Secondly when driving plate 4 provides thrust for sphere, elastic potential energy, which translates into, to be pushed away
Power is promoted to spherical thrust.
As shown in figure 3, power source 6 is cylinder 20 in the present embodiment, the cylinder body underrun bolt of cylinder 20 is fixedly connected
In on chassis 1, the piston rod of cylinder 20 is pierced by from upper end and is connected in the middle part of 4 bottom surface of driving plate.Solenoid valve is connected on cylinder 20
(not shown), solenoid valve are the solenoid valve of 3-position 4-way, control the power on/off of solenoid valve, can be realized 20 upper end of cylinder and fill
What the stretching state and 20 upper and lower side of cylinder of retracted state, the inflation upper end deflation of 20 lower end of cylinder that gas lower end is deflated were turned off
Hold mode.The inlet end of cylinder 20 is connected with air accumulator 21(and sees Fig. 2).Air accumulator 21 connects external air source, due to air accumulator
Gas can be stored in 21, when compared to directly ventilate, have the effect of fast implementing inflation/deflation.And in order to be carried out to cylinder 20
Protection, uplink limit switch (not shown) is additionally provided on 20 cylinder body of cylinder and uplink limit switch (does not show in figure
Out), uplink limit switch is arranged at the top of 20 cylinder body of cylinder, the triggering when piston rod is moved at the top of cylinder body；Uplink limit is opened
It closes and is arranged in 20 cylinder base of cylinder, the triggering when piston rod is moved to cylinder base.
As shown in figure 4, the quantity of dampening assembly 7 is two groups, and two groups of dampening assemblies 7 are symmetrically disposed on 20 cylinder body of cylinder
Two sides.Dampening assembly 7 includes being connected to the damping tube 22 on the outside of 20 cylinder body of cylinder vertically, being set to subtracting on the upside of in damping tube 22
Shake spring 23, the connecting spring 24 for being set to 22 inner underside of damping tube, be horizontally placed on damping spring 23 and connecting spring 24 it
Between shim 25 and lower end insertion damping tube 22 in connection 23 upper end of damping spring connection 4 bottom surface side wall of driving plate power-assisted
Bar 26.When driving plate 4 receives ball impact, to 22 contract of damping tube, wherein damping spring 23 can reduce power-assisted to assister bar 26
Impact of the bar 26 to 20 cylinder body of cylinder, and connecting spring 24 can reduce impact of 20 cylinder body of cylinder to chassis 1.Shim 25 is protected
Stablize the position demonstrate,proved between damping spring 23 and connecting spring 24.
Further, Fig. 2 is returned to, one of side determines to be fixed with detection sensor 29 and sensor for countering on guide rod 12
30, detection sensor 29 and sensor for countering 30 all can be photoelectric sensors.The height of detection sensor 29 is located at driving plate 4
5 to 10 centimetres of position of back upper place is moved fully upward, and detection sensor 29 is directed toward directed cavity.The height of sensor for countering 30
Positioned at the position of 32 to 4 centimetres of lower section of overhead gage, and sensor for countering 30 is directed toward directed cavity.
Specifically, showing as shown in Fig. 2, the outside for determining guide rod 12 in side is further fixed on display screen 31 and controller 32
Show device for showing the triggering times of detection sensor 29 and sensor for countering 30.The electrical connection of controller 32 uplink limit switch,
Uplink limit switch, detection sensor 29, sensor for countering 30, display screen 31 and solenoid valve.Controller 32 receives uplink limit
Bit switch, uplink limit switch, detection sensor 29 and sensor for countering 30 output signal, and to display screen 31 and electromagnetism
Valve output signal.
The course of work of the invention: when sphere is put into directed cavity, opening controller 32.Controller 32 is sent out to solenoid valve first
Electric signal out, so that solenoid valve is in stretching state, driving plate 4 pushes sphere to move up.Then uplink limit switch is triggered, control
Device 32 processed issues electric signal to solenoid valve, so that solenoid valve is in retracted state, driving plate 4 is moved down, until uplink limit switch
It is triggered, controller 32 issues electric signal to solenoid valve, so that solenoid valve is in hold mode.At the same time, sphere is detecting
Under the rebound of plate body, sphere is moved down, and when sphere sensor 29 after testing, be will test sensor 29 and is blocked, and detection passes
Sensor 29 is triggered, and controller 32 issues electric signal to solenoid valve so that solenoid valve be in stretching state, driving plate 4 move up and
The sphere of whereabouts contacts, and gives sphere upward thrust, moves up sphere again.Above-mentioned movement is repeated, successively repeatedly.
In addition sphere is every by successively sensor for countering 30 and detection sensor 29, detection sensor during repeatedly
29 and sensor for countering 30 can all be triggered once, and detection sensor 29 and sensor for countering 30 are often triggered once, display
Device shows that the triggering of detection sensor 29 and sensor for countering 30 just will increase once.To which testing staff can be aobvious by observing
The number that number or sphere in display screen 31 have been patted.
Embodiment 2, as shown in figure 5, its difference from Example 1 is power source 6, power source 6 includes dead axle 33, convex
Wheel 34, servo motor 35 and driving chain 36.Specifically, in the present embodiment, dead axle 33 be horizontally placed on two damping tubes 22 it
Between upside, and be rotation connection between the damping tube 22 of two sides, cam 34 is fixedly connected on the middle part of dead axle 33, and cam
34 upper end is connected to 4 lower end surface of driving plate.Servo motor 35 is fixed on chassis 1, and driving chain 36 connects servo motor 35
Output shaft and dead axle 33, realize drive of the servo motor 35 to dead axle 33.
Embodiment 3, as shown in fig. 6, its difference from Example 1 is that power source 6, power source 6 include shell 37, move
Iron core 38, fixed core 39, movable push bar 40, reset spring 41 and electromagnetic coil 42.Shell 37 is cylinder-shaped in being vertically arranged, electricity
Magnetic coil 42 is located on the radial outside in shell 37, and movable chamber is formed in the middle part of electromagnetic coil 42, and fixed core 39 is set to work
The upper surface of dynamic chamber, and be bolted to connection in 37 upper surface of shell.Dynamic iron core 38 be set to the lower section of fixed core 39 and
Sliding is connected in movable chamber, and movable push bar 40 is fixedly connected on the upper end of dynamic iron core 38, and the middle part of fixed core 39 is provided with
Through-hole, the through-hole that the upper end of movable push bar 40 passes through fixed core 39 are fixedly connected on the lower end surface of driving plate 4, and reset spring 41 is set
It is placed in movable chamber, and the upper end of reset spring 41 abuts the lower end surface of fixed core 39, the lower end of reset spring 41 connects dynamic iron
Core 38.
Therefore when electromagnetic coil 42 is powered, electromagnetic coil 42 obtains magnetism, so that dynamic iron core 38 is breakked away to fixed core 39 1
It moves, drives movable push bar 40 that driving plate 4 is pushed to move up.When 42 power loss of electromagnetic coil, electromagnetic coil 42 loses magnetism, and is resetting bullet
Under the action of spring 41, dynamic iron core 38 slides far from fixed core 39, and push rod is driven to retract driving plate 4.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of ball beating testing machine, it is characterised in that: include:
Chassis (1)；
Guide part (2) is vertically arranged on chassis (1), and inside is formed with the directed cavity slid vertically for ball；
Overhead gage (3), level are set to the upper end of directed cavity and are fixedly connected with guide part (2)；
Driving plate (4), is horizontally placed on the downside in directed cavity；
Driving mechanism (5), is connected to the lower end of driving plate (4), for driving driving plate (4) to move back and forth up and down.
2. ball beating testing machine according to claim 1, it is characterised in that: the driving mechanism (5) includes for mentioning
For the power source (6) of power and the dampening assembly for being converted into elastic potential energy for absorbing impact force on driving plate (4) repeatedly vertically
(7).
3. ball beating testing machine according to claim 2, it is characterised in that: the power source (6) is cylinder (20), institute
The cylinder body for stating cylinder (20) is fixedly connected on chassis (1), and the piston rod of the cylinder (20) is pierced by from upper end and is connected to drive
In the middle part of movable plate (4) bottom surface；The quantity at least two of the dampening assembly (7), and the dampening assembly (7) is along cylinder (20) cylinder
The outer circumferential of body is evenly arranged.
4. ball beating testing machine according to claim 3, it is characterised in that: the dampening assembly (7) includes connecting vertically
Be connected to the damping tube (22) on the outside of cylinder (20) cylinder body, the damping spring (23) being set in damping tube (22), lower end connection subtract
Shake the assister bar (26) of spring (23) upper end connection driving plate (4).
5. ball beating testing machine according to claim 3, it is characterised in that: the inlet end of the cylinder (20) is connected with
Air accumulator (21).
6. ball beating testing machine according to claim 1, it is characterised in that: the guide part (2) includes fixed part
(10) it is articulated on fixed part (10) with door portion (11), the door portion (11), and the door portion (11) and fixed part (10) formation
The rounded directed cavity in longitudinal section.
7. ball beating testing machine according to claim 6, it is characterised in that: the fixed part (10) is fixed on the bottom
Between frame (1) and overhead gage (3), the door portion (11) is articulated on the fixed part (10)；The fixed part (10) is if include
Involvement, which is connected between overhead gage (3) and chassis (1), determines guide rod (12), and the door portion (11) includes being articulated on overhead gage (3)
On connect block (14), connect to connect block (15) under block (14) is articulated on chassis (1) and be connected to vertically in correspondence and connect block (14)
The dynamic guide rod (13) between block (15) is connect under and.
8. ball beating testing machine according to claim 7, it is characterised in that: described to determine guide rod (12) and dynamic guide rod (13)
It is rotatably connected on side inwardly adjusting block (16), is vertically fixed adjusting rod (17) on the adjusting block (16).
9. ball beating testing machine according to claim 1, it is characterised in that: further include be connected on guide part (2) and
Positioned at the detection sensor (29) for closing on (4) one upper side of driving plate, the detection sensor (29) is when detection ball warp mistake
When, issue the detection signal for driving driving mechanism (5) to act.
10. ball beating testing machine according to claim 1, it is characterised in that: the ball beating testing machine further includes
It is directed toward the sensor for countering (30) of directed cavity and is electrically connected to the display screen (31) of sensor for countering (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811308127.4A CN109282955A (en) | 2018-11-05 | 2018-11-05 | Ball beating testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811308127.4A CN109282955A (en) | 2018-11-05 | 2018-11-05 | Ball beating testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109282955A true CN109282955A (en) | 2019-01-29 |
Family
ID=65175481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811308127.4A Pending CN109282955A (en) | 2018-11-05 | 2018-11-05 | Ball beating testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109282955A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082888A (en) * | 2020-08-13 | 2020-12-15 | 安徽省羽乐体育用品有限公司 | Badminton ball head flapping strength detection experiment device |
-
2018
- 2018-11-05 CN CN201811308127.4A patent/CN109282955A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082888A (en) * | 2020-08-13 | 2020-12-15 | 安徽省羽乐体育用品有限公司 | Badminton ball head flapping strength detection experiment device |
| CN112082888B (en) * | 2020-08-13 | 2024-05-10 | 安徽省羽乐体育用品有限公司 | Badminton ball head beating strength detection experimental device |
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