CN105435432B - A kind of sport balls cleaning machine - Google Patents
A kind of sport balls cleaning machine Download PDFInfo
- Publication number
- CN105435432B CN105435432B CN201510874294.5A CN201510874294A CN105435432B CN 105435432 B CN105435432 B CN 105435432B CN 201510874294 A CN201510874294 A CN 201510874294A CN 105435432 B CN105435432 B CN 105435432B
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Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B47/00—Devices for handling or treating balls, e.g. for holding or carrying balls
- A63B47/04—Devices for handling or treating balls, e.g. for holding or carrying balls for cleaning balls
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B47/00—Devices for handling or treating balls, e.g. for holding or carrying balls
- A63B47/04—Devices for handling or treating balls, e.g. for holding or carrying balls for cleaning balls
- A63B2047/046—Motorised
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Manipulator (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention provides a kind of sport balls cleaning machine, including bottom plate, it is characterized in that：The side of the bottom plate is provided with opening, the both sides of the bottom plate are provided with side board, symmetrical unilateral gate is installed on the side board, the bottom plate connects cleaning chamber, top cleaning device is provided with the upside of the cleaning chamber, the both sides of the cleaning chamber are provided with symmetrical side cleaning device, and outlet, the outlet connection collection cage are provided with the outside of the cleaning chamber.The top cleaning motor of the present invention drives two top bristle brush wheels to realize the scrub to top dome part by belt transmission, while under the action of hairbrush, in the state rotated during scrub, ensure that the disc of ball can sufficiently be scrubbed ball.The present invention can realize the goal and cleaning of automation, and complete equipment mechanism is simple, and the degree of automation is high, and cleaning performance is good, efficient.
Description
Technical field
The present invention relates to sports equipment field, specifically, is related to a kind of sport balls cleaning machine.
Background technology
Ball games teaching is essential course in college teaching.In conventional physical education, people's emphasis pair mostly
The training of ball technical ability, and have ignored one to people's interests it is personally related the problem of, that is,：The health of basketball in itself is asked
Topic.Since during use, generally ball will roll on the ground, will necessarily be stained with dust even muddy water.In this way,
After used a period of time, it is full of stains or spots all to become spot mostly for the surface of ball, at this time just needs special cleaning worker to use
Rag scrubbing one by one by ball, it is time-consuming and laborious, and also cleaning performance is undesirable.Therefore, in the market occurs specially
Basketball cleaning device, but these basketball cleaning device generally existing problems with：1st, basketball cleaning is not thoroughly clean enough；2、
Work efficiency is low.
The content of the invention：
The technical problem to be solved in the present invention is to provide a kind of sport balls cleaning machine, ball cleaning is thorough, cleaning efficiency
It is high.
The present invention, which adopts the following technical scheme that, realizes goal of the invention：
A kind of sport balls cleaning machine, including bottom plate, it is characterized in that：The side of the bottom plate is provided with opening, the bottom
The both sides of plate are provided with side board, and symmetrical unilateral gate is provided with the side board, and the bottom plate connects cleaning chamber,
Top cleaning device is provided with the upside of the cleaning chamber, the both sides of the cleaning chamber are provided with symmetrical side cleaning dress
Put, outlet, the outlet connection collection cage are provided with the outside of the cleaning chamber.
Being limited as to the further of the technical program, the unilateral gate is arranged on the side board by door-hinge,
The side of each unilateral gate is both provided with block.
Limited as to the further of the technical program, the top cleaning device includes top bristle brush wheel shield, described
Cleaning motor in top is provided with the bristle brush wheel shield of top, the top cleaning motor connection top cleaning electric machine main shaft is described
Belt pulley one, the connection of the belt pulley one top bristle brush wheel one are provided with top cleaning electric machine main shaft, the belt pulley one leads to
Cross belt connection belt pulley two, the connection of the belt pulley two top bristle brush wheel two.
Limited as to the further of the technical program, the side cleaning device includes side transmission shield, the side
Being provided with driving motors in two sides on face transmission shield, the main shafts of two sides driving motors connects cam respectively, and two
Side hairbrush, the directive wheel of the both ends difference connected symmetrical dendrimer of the side hairbrush, described in two are provided between a cam
Directive wheel corresponds to and two cam contacts respectively.
Limited as to the further of the technical program, the bottom plate includes inclined plate one, inclined plate two and inclined plate three, described oblique
Plate three is located at the downside of the cleaning chamber.
Compared with prior art, the advantages and positive effects of the present invention are：The top cleaning motor of the present invention passes through belt
Transmission drives two top bristle brush wheels to realize the scrub to top dome part, while under the action of hairbrush, mistake of the ball in scrub
In the state rotated in journey, ensure that the disc of ball can sufficiently be scrubbed.Side hairbrush is in close contact with sphere, side
Face driving motor drives the cam of front side slowly to rotate, and does one by the transmission side hairbrush of directive wheel and slowly advances
With the action of retrogressing, ball side can be cleaned, during its advance, ball is clamped forward under the action of frictional force
Advance, because inclined plate three is obliquely installed, ball moves after will not following side hairbrush, proceeds to extreme position trailing flank hairbrush and exists
Moved after under the action of opposite side cam, ball is left in extreme position and waits from outlet taking-up.Cam uses plane cam, processing side
Method calculates simple, precision height, more accurately realizes that being pushed forward for side hairbrush is moved with after, the present invention can realize the goal of automation
And cleaning, complete equipment mechanism is simple, and the degree of automation is high, and cleaning performance is good, efficient.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the structure diagram of the top cleaning device of the present invention.
Fig. 3 is the structure diagram of the side cleaning device of the present invention.
Fig. 4 is the side view of the present invention.
Fig. 5 is the principle schematic of the cam cutting of the present invention.
In figure, 1, bottom plate, 2, opening, 3, side board, 4, unilateral gate, 5, cleaning chamber, 6, door-hinge, 7, block, 8, top
Portion's bristle brush wheel shield, 9, top cleaning motor, 10, top cleaning electric machine main shaft, 11, belt pulley one, 12, top bristle brush wheel one,
13rd, belt, 14, belt pulley two, 15, top bristle brush wheel two, 16, side transmission shield, 17, side driving motor, 18, cam,
19th, side hairbrush, 20, directive wheel, 21, inclined plate one, 22, inclined plate two, 23, inclined plate three, 24, outlet, 25, collection cage.
Embodiment:
With reference to embodiment, the present invention is further illustrated.
Referring to Fig. 1-Fig. 5, the present invention includes bottom plate 1, and the side of the bottom plate 1 is provided with opening 2, and the two of the bottom plate 1
Side is provided with side board 3, and symmetrical unilateral gate 4 is provided with the side board 3, and the bottom plate 1 connects cleaning chamber 5,
The upside of the cleaning chamber 5 is provided with top cleaning device, and the both sides of the cleaning chamber 5 are provided with symmetrical side cleaning
Device, the outside of the cleaning chamber 5 are provided with outlet 24, the connection of the outlet 24 collection cage 25, and collection cage 25 is used to collect
Cleaned is ball.
The unilateral gate 4 is arranged on the side board 3 by door-hinge 6, and the side of each unilateral gate 4 is respectively provided with
There is block 7.
The top cleaning device includes top bristle brush wheel shield 8, and it is clear that top is provided with the top bristle brush wheel shield 8
Motor 9 is washed, the top cleaning connection of the motor 9 top cleaning electric machine main shaft 10, the top is cleaned on electric machine main shaft 10 and set
There are belt pulley 1, the connection of the belt pulley 1 top bristle brush wheel 1, the belt pulley 1 connects skin by belt 13
Belt wheel 2 14, the connection of the belt pulley 2 14 top bristle brush wheel 2 15.
The side cleaning device includes side transmission shield 16, and two sides are provided with the side transmission shield 16
Motor 17 is driven, the main shaft of two side driving motors 17 connects cam 18, set between two cams 18 respectively
There are side hairbrush 19, the directive wheel 20 of the both ends difference connected symmetrical dendrimer of the side hairbrush 19, two directive wheels 20 are distinguished
Correspondence is contacted with two cams 18.
The bottom plate 1 includes inclined plate 1, inclined plate 2 22 and inclined plate 3 23, and the inclined plate 3 23 is located at the cleaning chamber
5 downside.
During scrubbing, top cleans motor 9 and drives top bristle brush wheel 1 and top bristle brush wheel by belt 13
2 15 realize the scrub to top dome part, while under the action of hairbrush, ball during scrub in the state rotated,
Ensure that the disc of ball can sufficiently be scrubbed.
Assumed initially that three balls will be cleaned, ball 3,1 three balls of ball 2 and ball position respectively positioned at inclined plate 1,
On inclined plate 2 22 and inclined plate 3 23, during scrubbing, side hairbrush 19 is in close contact with 1 face of ball, side driving motor 17
Drive the cam 18 of front side slowly to rotate, do one by the transmission side hairbrush 19 of directive wheel 20 and slowly advance with after
The action moved back, during its advance, clamping ball 1 is advanced forward under the action of frictional force, is proceeded on rear side of extreme position
Face hairbrush 19 is rear under the action of opposite side cam to be moved, because inclined plate 3 23 is obliquely installed, ball 1 will not follow side hairbrush
Moved after 19, ball 1 is left in extreme position and waits from the taking-up of outlet 24, and ball 2 comes into inclined plate three under gravity at this time
23, ball 3 from entrance by unilateral gate 4 enter inclined plate 2 22, and unilateral gate 4 can not reverse opening, therefore, second ball
2 proceed by cleaning.This process is iteratively repeated, and can realize the feeding and cleaning of automation, complete equipment mechanism is simple, automatically
Change degree is high, and cleaning performance is good, efficient.
The cam 18 uses plane cam.
Plane cam uses following making step：
(1) the coordinate array of cam profile curve and the number of coordinates of roller orbit of shaft center are obtained according to roller mensuration
Group；
(2) according to the coordinate value M (X1, Y1) of a point on cam profile curve and the corresponding roller axle center of the point
Coordinate value S (X2, Y2), calculates coordinate of the circular cut cutter pivot relative to a respective point of the cam rotating shaft heart
Value, specific practice are：
Point M roller AnchorPoint S corresponding with the point, the line segment, that is, radius of roller R of formation on cam profile curve are connected,
Using point M as starting point, the point obtained along the distance of radius of roller R extension rotary cutter radiuses r is the central point N of rotary cutter
(X3, Y3), wherein, M (X1, Y1), S (X2, Y2) and N (X3, Y3) are in the same coordinate system XOY, and coordinate system XOY is with cam wheel
The axle center of wide curve is origin O, using horizontal direction as X-axis, using vertical direction as Y-axis；
(3) repeat step (2), obtain the relative motion of the cutting tool pivot corresponding to whole cam profile curve
Curve；
(4) make cutting tool produce movement according to above-mentioned relative motion curve to add cam in cam cutting equipment
Work.
The step (2) includes the following steps：
(2.1) lateral coordinates of the calculating cutting tool rotary middle point N are：
X3=X1-r/R* ∣ X2-X1 ∣ work as X1>During X2
Or
X3=X1+r/R* ∣ X2-X1 ∣ work as X1<During X2；
(2.2) ordinate of the calculating cutting tool rotary middle point N is：
Y3=Y1-r/R* ∣ Y2-Y1 ∣ work as Y1>During Y2
Or
Y3=Y1+r/R* ∣ Y2-Y1 ∣ work as Y1<During Y2；
(2.3) the coordinate value N (X3, Y3) of the cutting tool pivot is obtained.
The cam processed to the step (4) carries out accuracy evaluation, comprises the following steps that：
(4.1) difference for calculating angular coordinate on the relative motion curve is the distance between adjacent 2 points of φ and adjacent
The slope of 2 lines, has n to consecutive points on whole relative motion curve, then obtains n line distance LiWith n slope θi,
I is integer, for distinguishing different adjacent coordinates points, slope θiThe difference for referring to angular coordinate on relative motion curve is the adjacent of φ
Line L between 2 pointsiRelative to the angle of inclination of X-axis.Specifically calculating process is：The difference of known relative motion curve angular coordinate is
Adjacent 2 points of the coordinate N of φi(x, y) and Ni+1(x, y), the distance for calculating this adjacent 2 points and origin O (0,0) is niAnd ni+1,
This adjacent 2 points with origin O composition triangles, according to the length of side calculation formula of triangle, it is known that the length on triangle both sides and
The included angle on the triangle both sides, it is easy to calculate the length on another side of triangle, which is relative motion curve
The difference of upper angular coordinate is line L between adjacent 2 points of φiLength：
Li=(ni 2+ni+1 2-2*ni*ni+1*cosφ)1/2；I is integer；
θi=| ((Ni+1(y)-Ni(y))/(Ni+1(x)-Ni(x))|；Wherein, Ni+1(y) point N is representedi+1Y-axis coordinate,Ni
(y) point N is representediY-axis coordinate, Ni+1(x) point N is representedi+1X axis coordinate, Ni(x) point N is representediX axis coordinate；
(4.2) difference for calculating cutting tool completion angular coordinate is the actual displacements distance that adjacent 2 points of φ are processed and should
The slope θ of actual displacement distancei', there is n to consecutive points on whole relative motion curve, then obtain n actual displacement circuit Li’
With n slope θi', i is integer, for distinguishing different adjacent coordinates points, slope θi' refer to actual displacement circuit Li' relative to X
The angle of inclination of axis.Specifically calculating process is：Cutting tool is along relative motion curve from point Ni(x, y) is moved to point Ni+1(x,
Y) during, Ni(x, y) and point Ni+1The difference of (x, y) angular coordinate is φ, and X axis encoder have recorded the rotation of X axis driving motor
Walk around number, Y-axis encoder have recorded the rotation revolution of Y-axis driving motor, and the rotation revolution indicator of motor is driven according to X axis
Calculate the displacement h of X axis driving motori, drive the rotation revolution of motor to calculate the displacement k of Y-axis driving motor according to Y-axisi,
Actual displacement circuit Li'=(hi 2 +ki 2)1/2, tilt angle thetai' slope be ki/hi；
(4.3) the distance between the adjacent 2 points L that will be calculatediWith corresponding adjacent 2 points of the actual displacement line calculated
Road Li' be compared, draw the displacement cutting error of adjacent 2 points of each pair：
ΔLi=Li-Li’；I is integer, for distinguishing different adjacent coordinates points；
(4.4) by the slope θ between adjacent 2 points calculatediWith corresponding adjacent 2 points of the actual slope θ measuredi’
It is compared, draws the slope cutting error of adjacent 2 points of each pair：
Δθi=θi-θi’；I is integer, for distinguishing different adjacent coordinates points；
(4.5) total displacement cutting error and slope cutting error are calculated：
ZL=| Δ L1|+|ΔL2|+...+|ΔLn|；N is the total number of consecutive points；
Z θ=| Δ θ1|+|Δθ2|+...+|Δθn|；N is the total number of consecutive points；
(4.6) mean error of displacement cutting and the mean error of slope cutting are calculated：
PL=(| Δ L1|+|ΔL2|+...+|ΔLn|)/n；N is the total number of consecutive points；
P θ=(| Δ θ1|+|Δθ2|+...+|Δθn|)/n；N is the total number of consecutive points.
The difference of angular coordinate in the step (4.1) is that φ is a constant.
The cam cutting equipment uses numerical control machining center, and numerical control machining center uses existing product, cutting tool
Using milling cutter, details are not described herein, and X axis encoder is provided with the X axis driving motor of the numerical control machining center, described
Y-axis encoder is provided with the Y-axis driving motor of numerical control machining center.
The cam processing method of the present invention calculates the adjacent difference for simply, greatly reducing cam cutting, and adjacent difference is reduced to
It 0.1-0.8 microns, can be ignored substantially, substantially increase the machining accuracy of cam.And to the precision after cam cutting into
Row calculates, and can fully understand the precision of cam cutting in time, and conveniently according to the cam cutting error being calculated to numerical control
The processing method of machining center is adjusted, and is quickly found out larger adjacent 2 points of mismachining tolerance and is adjusted, is conducive to cam
The raising of processing efficiency and machining accuracy.
Claims (6)
1. a kind of sport balls cleaning machine, including bottom plate, it is characterized in that：The side of the bottom plate is provided with opening, the bottom plate
Both sides be provided with side board, symmetrical unilateral gate is installed, the bottom plate connects cleaning chamber, institute on the side board
State and top cleaning device is provided with the upside of cleaning chamber, the both sides of the cleaning chamber are provided with symmetrical side cleaning dress
Put, outlet, the outlet connection collection cage are provided with the outside of the cleaning chamber, the unilateral gate is arranged on institute by door-hinge
State on side board, the side of each unilateral gate is both provided with block, and the top cleaning device includes top bristle brush wheel
Shield, top cleaning motor, the top cleaning motor connection top cleaning motor are provided with the top bristle brush wheel shield
Main shaft, the top, which is cleaned on electric machine main shaft, is provided with belt pulley one, the connection of the belt pulley one top bristle brush wheel one, the skin
Belt wheel one connects belt pulley two, the connection of the belt pulley two top bristle brush wheel two by belt, and the side cleaning device includes
Side is driven shield, two side driving motors is provided with the side transmission shield, two sides drive motor
Main shaft connects cam respectively, is provided with side hairbrush between two cams, and the both ends of the side hairbrush connect pair respectively
The directive wheel of title, two directive wheels correspond to and two cam contacts respectively；During scrubbing, side hairbrush with
Sphere is in close contact, and side driving motor drives the cam of front side slowly to rotate, and passes through the transmission side hairbrush of directive wheel
An action slowly to move forward and backward is done, during its advance, clamping ball is advanced forward under the action of frictional force,
Moved after extreme position trailing flank hairbrush is proceeded under the action of opposite side cam, because inclined plate three is obliquely installed, ball is not
Moved after side hairbrush can be followed, ball is left in extreme position and waits from outlet taking-up.
2. sport balls cleaning machine according to claim 1, it is characterized in that：The bottom plate includes inclined plate one, two and of inclined plate
Inclined plate three, the inclined plate three are located at the downside of the cleaning chamber.
3. sport balls cleaning machine according to claim 2, it is characterized in that：The cam uses plane cam.
4. sport balls cleaning machine according to claim 3, it is characterized in that：The manufacturing process of the plane cam is as follows：
(1) the coordinate array of characterization cam profile curve and the number of coordinates of roller orbit of shaft center are obtained according to roller mensuration
Group；
(2) according to the coordinate value M (X1, Y1) of a point on cam profile curve and the coordinate in the corresponding roller axle center of the point
Value S (X2, Y2), calculates coordinate value of the circular cut cutter pivot relative to a respective point of the cam rotating shaft heart, tool
Body way is：
Connect point M the roller AnchorPoint S corresponding with the point, line segment, that is, radius of roller R of formation, with point on cam profile curve
M is starting point, the point obtained along the distance of radius of roller R extensions rotary cutter radius r be rotary cutter central point N (X3,
Y3)；
(3) repeat step (2), obtain the relative motion song corresponding to the cutting tool pivot of whole cam profile curve
Line；
(4) make cutting tool produce movement according to above-mentioned relative motion curve to be processed cam in cam cutting equipment.
5. sport balls cleaning machine according to claim 4, it is characterized in that：The step (2) includes the following steps：
(2.1) lateral coordinates of the calculating cutting tool rotary middle point N are：
X3=X1-r/R* ∣ X2-X1 ∣ work as X1>During X2
Or
X3=X1+r/R* ∣ X2-X1 ∣ work as X1<During X2；
(2.2) ordinate of the calculating cutting tool rotary middle point N is：
Y3=Y1-r/R* ∣ Y2-Y1 ∣ work as Y1>During Y2
Or
Y3=Y1+r/R* ∣ Y2-Y1 ∣ work as Y1<During Y2；
(2.3) the coordinate value N (X3, Y3) of the cutting tool pivot is obtained.
6. sport balls cleaning machine according to claim 5, it is characterized in that：To the cam that the step (4) processes into
Row accuracy evaluation, comprises the following steps that：
(4.1) difference for calculating angular coordinate on the relative motion curve is the distance between adjacent 2 points of φ and 2 points adjacent
The slope of line, has n to consecutive points on whole relative motion curve, then obtains n line distance LiWith n slope θi, i is
Integer, for distinguishing different adjacent coordinates points, slope θiThe difference for referring to angular coordinate on relative motion curve is adjacent the two of φ
Line L between pointiRelative to the inclination slope of X-axis；
(4.2) the actual displacements distance and the reality for adjacent 2 points of processing that the difference for calculating cutting tool completion angular coordinate is φ
The slope of shift length, has n to consecutive points on whole relative motion curve, then obtains n actual displacement circuit Li' and n
Slope θi', i is integer, for distinguishing different adjacent coordinates points, slope θi' refer to actual displacement circuit Li' inclining relative to X-axis
Slope；
(4.3) the distance between the adjacent 2 points L that will be calculatediWith corresponding adjacent 2 points of the actual displacement circuit L calculatedi’
It is compared, draws the displacement cutting error of adjacent 2 points of each pair：
ΔLi=Li-Li’；I is integer, for distinguishing different adjacent coordinates points；
(4.4) by the slope θ between adjacent 2 points calculatediWith corresponding adjacent 2 points of the actual slope θ measuredi' carry out
Compare, draw the cutting slope error of adjacent 2 points of each pair：
Δθi=θi-θi’；I is integer, for distinguishing different adjacent coordinates points；
(4.5) total displacement cutting error and slope cutting error are calculated：
ZL=| Δ L1|+|ΔL2|+...+|ΔLn|；N is the total number of consecutive points；
Z θ=| Δ θ1|+|Δθ2|+...+|Δθn|；N is the total number of consecutive points；
(4.6) mean error of displacement cutting and the mean error of slope cutting are calculated：
PL=(| Δ L1|+|ΔL2|+...+|ΔLn|)/n；N is the total number of consecutive points；
P θ=(| Δ θ1|+|Δθ2|+...+|Δθn|)/n；N is the total number of consecutive points.
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|---|---|---|---|
| CN201510874294.5A CN105435432B (en) | 2015-12-02 | 2015-12-02 | A kind of sport balls cleaning machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510874294.5A CN105435432B (en) | 2015-12-02 | 2015-12-02 | A kind of sport balls cleaning machine |
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| CN105435432A CN105435432A (en) | 2016-03-30 |
| CN105435432B true CN105435432B (en) | 2018-05-04 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180031A (en) * | 2016-08-03 | 2016-12-07 | 刘运华 | A kind of physical culture tennis Quick cleaning device |
| CN106075858B (en) * | 2016-08-03 | 2018-04-10 | 贵永玲 | A kind of efficient vollyball supplemental training device of physical culture |
| CN107899206B (en) * | 2018-01-03 | 2019-11-08 | 宿州速果信息科技有限公司 | A kind of teaching and training basketball automatic cleaning apparatus |
| CN108125252B (en) * | 2018-01-10 | 2023-09-29 | 海南大学 | Intelligent mango peeling machine with spiral mechanical arm |
| CN113786589B (en) * | 2021-07-05 | 2022-09-13 | 厦门理工学院 | Basketball self-cleaning degassing unit for sports |
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| US5331702A (en) * | 1992-12-24 | 1994-07-26 | Willsey Charles H | Golf ball washing apparatus and method |
| CN203989736U (en) * | 2014-08-21 | 2014-12-10 | 王爱华 | A kind of sub-sieve wiping arrangement that is applicable to basketball, football and handball |
| CN204092981U (en) * | 2014-10-14 | 2015-01-14 | 大连民族学院 | The ball collection cleaning Vehicle of a kind of physical education |
| CN204540718U (en) * | 2015-04-23 | 2015-08-12 | 陈炜杰 | A kind of roller brush type cleaning equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1270870C (en) * | 2001-08-31 | 2006-08-23 | 西门子工厂自动化工程有限公司 | Cam machining process |
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2015
- 2015-12-02 CN CN201510874294.5A patent/CN105435432B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| US5331702A (en) * | 1992-12-24 | 1994-07-26 | Willsey Charles H | Golf ball washing apparatus and method |
| CN203989736U (en) * | 2014-08-21 | 2014-12-10 | 王爱华 | A kind of sub-sieve wiping arrangement that is applicable to basketball, football and handball |
| CN204092981U (en) * | 2014-10-14 | 2015-01-14 | 大连民族学院 | The ball collection cleaning Vehicle of a kind of physical education |
| CN204540718U (en) * | 2015-04-23 | 2015-08-12 | 陈炜杰 | A kind of roller brush type cleaning equipment |
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