CN111249699B

CN111249699B - Simple table tennis bounce height detection device capable of continuously detecting and detection method

Info

Publication number: CN111249699B
Application number: CN202010140292.4A
Authority: CN
Inventors: 吕先丹
Original assignee: Zheng Huanli
Current assignee: Tianchen Rand Shandong Technology Service Co ltd
Priority date: 2018-07-25
Filing date: 2018-07-25
Publication date: 2021-01-29
Anticipated expiration: 2038-07-25
Also published as: CN109107125A; CN111249699A; CN109107125B

Abstract

The invention discloses a simple table tennis bounce height detection device capable of continuously detecting and a detection method, and relates to the technical field of table tennis. This but plain type table tennis spring height detection device of continuous detection, the novel nipple rectifier comprises a cylindrical shel, the top cover of barrel is equipped with into the hopper, and one side of going into the hopper top articulates there is the right side of apron, the left side overlap joint of apron bottom is in the left side of going into the hopper top, and the middle part fixedly connected with handle at apron top, the antiskid cover has been cup jointed on the handle, the guide mouth has been seted up at the middle part of going into the hopper bottom. This but plain type table tennis spring height detection device of continuous detection slides in leading the slide cartridge through rotating electrical machines drive slide bar, drives fixed ball and shifts out from the guide cylinder in, makes the table tennis fall out and bounce-back to the collecting box in from the guide cylinder, can carry out the table tennis of continuity and detect, has saved manpower and time, has solved current table tennis spring performance detection device's drawback.

Description

Simple table tennis bounce height detection device capable of continuously detecting and detection method

The invention relates to a divisional application of a simple table tennis bounce height detection device capable of continuously detecting, wherein the application date is 2018, 07, 25 and the application number is CN 201810824306.7.

Technical Field

The invention relates to the technical field of table tennis, in particular to a simple table tennis bounce height detection device and method capable of continuously detecting.

Background

The quality direct influence of table tennis has gone on normally in the match, and in order to guarantee the normal use of table tennis in the match, the test of table tennis spring ability is indispensable, and the table tennis that regular producer produced can not be too big at the high deviation of bounce when fixed height free fall, and current table tennis spring height detection device power consumption is great, and the structure is comparatively loaded down with trivial details, and can't carry out the test of continuity, has consumed more manpower and time.

For example, the Chinese patent publication number is: CN 207494053U's a table tennis spring performance detection device, including zero initial velocity release, the spring device, information acquisition device, receive the ball funnel device, the carousel device, categorised collection device, the precision of table tennis spring performance test has been improved, but zero initial velocity release in the device needs the artificial table tennis of adding, can't carry out the table tennis spring performance test of continuity automatically, the confidence collection device structure is complicated simultaneously and has consumeed extra energy, more manpower and time have been consumeed to the totality.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a simple table tennis bounce height detection device and a simple table tennis bounce height detection method capable of continuously detecting, and solves the problems that the conventional table tennis bounce performance detection device is large in energy consumption and consumes much labor and time.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a but plain type table tennis spring height detection device of continuous detection, includes the barrel, the top cover of barrel is equipped with into the hopper, and one side of going into the hopper top articulates there is the right side of apron, the left side overlap joint of apron bottom is in the left side of going into the hopper top, and the middle part fixedly connected with handle at apron top, the antiskid cover has been cup jointed on the handle, the guide mouth has been seted up at the middle part of going into the hopper bottom, and the inner chamber intercommunication of guide mouth and barrel, the bottom fixedly connected with guide tube of guide mouth, and the inner chamber and the guide mouth intercommunication of guide tube.

The left side and the right side of the rear side of the inner wall of the cylinder body are fixedly provided with rotating motors, output shafts of the two rotating motors are respectively sleeved with driving gears, the upper side and the lower side of one opposite side of the two driving gears are respectively meshed with the two driven gears, the axes of the two driven gears are respectively inserted with a pin shaft, the front end and the rear end of each pin shaft are respectively movably connected with the front side and the rear side of the inner wall of the cylinder body, the two pin shafts are respectively sleeved with eccentric wheels, the left sides of the two eccentric wheels are respectively connected with the right sides of the two pulleys in a sliding manner, the axes of the two pulleys are respectively inserted with rotating shafts, the two rotating shafts are respectively movably connected with the right ends of the two sliding rods, the side surface of the material guide cylinder is inserted with two sliding guide cylinders, the two sliding rods are respectively inserted in the two sliding guide cylinders, one end of the two sliding rods, which is opposite to the, the slide bar is close to one of fixed ball and serves and all has cup jointed the stationary blade, and the side surface of stationary blade and the inner wall sliding connection who leads the slide cartridge, the right side fixedly connected with reset spring of stationary blade, and the one end joint that reset spring carried on the back mutually the stationary blade is on the inner chamber right side of leading the slide cartridge.

The utility model discloses a wind-proof material guide device, including guide cylinder, collecting box, wind-proof plate, barrel, wind-proof plate, the below of guide cylinder is provided with the collecting box, and the bottom sliding connection of collecting box is at the interior bottom of barrel, two ejection of compact deckles of the positive fixedly connected with of collecting box, and the left end and the right-hand member of two ejection of compact deckles run through the left and right sides of barrel respectively, the position of two ejection of compact deckles one end is all articulated to have wind-proof plate about the barrel, the place ahead of collecting box is provided with the hang plate, and the bottom fixed connection of hang plate is at the interior bottom of barrel.

Preferably, the inner cavity of the feeding hopper is wide at the top and narrow at the bottom, and the top of the feeding hopper is tightly attached to the bottom of the cover plate.

Preferably, the guide cylinder is wide at the top and narrow at the bottom, and the bottom end of the guide cylinder is located above the inclined plate.

Preferably, the right side of the circle center of the eccentric wheel is sleeved on the pin shaft, and the eccentric wheel and the driving gear are not located on the same longitudinal plane.

Preferably, the elastic force of the return spring is greater than the self weight of the sliding rod, and a gap is left between the side surface of the return spring and the inner wall of the sliding guide cylinder.

Preferably, the longitudinal section of the discharging frame plate is U-shaped, and the height of the front wall of the discharging frame plate is lower than that of the rear wall.

(III) advantageous effects

The invention provides a simple table tennis bounce height detection device capable of continuously detecting. The method has the following beneficial effects:

(1) this but plain type table tennis spring height detection device of continuity test, through the rotating electrical machines drive driving gear, thereby drive driven gear and round pin axle and rotate, and drive eccentric wheel and make skew centre of a circle and rotate, thereby slide in leading the slide bar with the pulley contact, thereby it shifts out to drive fixed ball from the guide cylinder, make the table tennis fall out and through the hang plate bounce-back to the collecting box in the guide cylinder, present table tennis detection device has greatly been simplified, the table tennis of continuity detects simultaneously, manpower and time have been saved, the drawback of present table tennis spring performance detection device has been solved.

(2) This but plain type table tennis spring height detection device of continuous detection, through setting up two driven gear, and the meshing connection relation of two driven gear and driving gear, thereby make and be located the guide cylinder and compare with the motion of two slide bars of one side and have certain interval, thereby make and be located the fixed ball motion of guide cylinder inner chamber upper and lower both sides and have certain interval, thereby can make the table tennis in the guide cylinder can receive the obstruction of the fixed ball of downside when falling because the fixed ball of upside shifts out, the condition appearance that has avoided the too big direct drop of table tennis acceleration of gravity to influence the detection effect, the fixed ball of upside plays closed effect when simultaneously downside fixed ball shifts out with the table tennis discharge, the incessant condition that continuously drops of table tennis has been avoided appearing.

(3) This plain type table tennis spring height detection device that can detect in succession through openly setting up ejection of compact frame plate at the collecting box to can make the relatively poor table tennis that can't reach the normal height of spring fall into ejection of compact frame plate in, and discharge in the barrel via preventing wind the board, prevent wind the board through setting up and can avoid the outside air of barrel to blow in the barrel and influence the normal whereabouts of table tennis and the condition appearance of kick-backing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a rear view of the structure of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is a schematic longitudinal sectional view of the discharge frame plate of the present invention.

In the figure: the device comprises a barrel 1, a feeding hopper 2, a cover plate 3, a handle 4, an anti-skidding sleeve 5, a material guiding opening 6, a material guiding barrel 7, a rotating motor 8, a driving gear 9, a driven gear 10, a pin shaft 11, an eccentric wheel 12, a pulley 13, a rotating shaft 14, a sliding rod 15, a sliding guiding barrel 16, a fixed ball 17, a fixed sheet 18, a return spring 19, a collecting box 20, a discharging frame plate 21, a windproof plate 22, an inclined plate 23 and a movable door 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a but high detection device of plain type table tennis spring that detects in succession, including barrel 1, barrel 1's top cover is equipped with into hopper 2, and one side of going into hopper 2 top articulates there is the right side of apron 3, the left side overlap joint of apron 3 bottom is in the left side at going into hopper 2 top, and the middle part fixedly connected with handle 4 at apron 3 top, the inner chamber of going into hopper 2 is under the wide narrow form, and go into hopper 2's top and the inseparable laminating of apron 3 bottom, antiskid cover 5 has been cup jointed on the handle 4, material guide 6 has been seted up at the middle part of going into hopper 2 bottom, and material guide 6 communicates with barrel 1's inner chamber, the bottom fixedly connected with guide tube 7 of material guide 6, and the inner chamber and the material guide 6 intercommunication of guide tube 7.

The left side and the right side of the rear side of the inner wall of the barrel body 1 are fixedly provided with rotating motors 8, output shafts of the two rotating motors 8 are respectively sleeved with driving gears 9, the upper side and the lower side of one opposite side of the two driving gears 9 are respectively meshed with the two driven gears 10, the axes of the two driven gears 10 are respectively inserted with pin shafts 11, the front ends and the rear ends of the two pin shafts 11 are respectively movably connected with the front side and the rear side of the inner wall of the barrel body 1, the two pin shafts 11 are respectively sleeved with eccentric wheels 12, the right sides of the circle centers of the eccentric wheels 12 are sleeved on the pin shafts 11, the eccentric wheels 12 and the driving gears 9 are not positioned on the same longitudinal plane, the left sides of the two eccentric wheels 12 are respectively connected with the right sides of the two pulleys 13 in a sliding manner, the axes of the two pulleys 13 are respectively inserted with rotating shafts 14, the two rotating shafts 14 are, two sliding rods 15 are respectively inserted in the two sliding guide cylinders 16, one ends of the two sliding rods 15, which are opposite to the pulleys 13, are fixedly connected with fixed balls 17, the two fixed balls 17 extend into the material guide cylinder 7, and the two driven gears 10 and the meshing connection relationship of the two driven gears 10 and the driving gear 9 are arranged, so that a certain interval exists between the movements of the two sliding rods 15 which are positioned at the same side of the material guide cylinder 7, and the fixed balls 17 positioned at the upper side and the lower side of the inner cavity of the material guide cylinder 7 move at a certain interval, so that the table tennis balls in the material guide cylinder 7 can be blocked by the fixed balls 17 at the lower side when falling due to the fact that the fixed balls 17 at the upper side are moved out, the condition that the detection effect is influenced by the direct falling of the overlarge gravity acceleration of the table tennis balls is avoided, and the fixed balls 17 at the upper side play a closing effect when the fixed balls 17 at, the condition that the table tennis does not continuously drop is avoided, the slide bar 15 is close to one of fixed ball 17 and serves and all has cup jointed the stationary blade 18, and the side surface of stationary blade 18 with lead the inner wall sliding connection of slide section of thick bamboo 16, the right side fixedly connected with reset spring 19 of stationary blade 18, and reset spring 19 carries on the back one end joint of stationary blade 18 on the right side of the inner chamber of leading slide section of thick bamboo 16, reset spring 19's elasticity is greater than the dead weight of slide bar 15, and leave the clearance between reset spring 19's the side surface and the inner wall of leading slide section of thick bamboo 16.

The collecting box 20 is arranged below the material guiding cylinder 7, the bottom of the collecting box 20 is connected to the inner bottom of the cylinder 1 in a sliding manner, the front of the collecting box 20 is fixedly connected with two discharging frame plates 21, the left ends and the right ends of the two discharging frame plates 21 respectively penetrate through the left side and the right side of the cylinder 1, the longitudinal section of each discharging frame plate 21 is U-shaped, the height of the front wall of each discharging frame plate 21 is lower than that of the rear wall, the positions of the left side and the right side of the cylinder 1, which are opposite to one end of each discharging frame plate 21, are respectively hinged with a windproof plate 22, the discharging frame plates 21 are arranged on the front of the collecting box 20, so that table tennis balls with poor quality and incapable of reaching the normal bouncing height can fall into the discharging frame plates 21 and can be discharged from the cylinder 1 through the windproof plates 22, the situations that the normal falling and rebounding of the table tennis balls are influenced by blowing air outside the, the bottom of the inclined plate 23 is fixedly connected with the inner bottom of the cylinder body 1, the guide cylinder 7 is wide at the top and narrow at the bottom, the bottom end of the material guiding cylinder 7 is positioned above the inclined plate 23, the back of the cylinder body 1 is hinged with a movable door 24 relative to the position of the collecting box 20, and the movable door 24 penetrates the rear side of the inner wall of the cylinder 1, the driving gear 9 is driven by the rotating motor 8, thereby driving the driven gear 10 and the pin shaft 11 to rotate, and driving the eccentric wheel 12 to rotate eccentrically, thereby contacting with the pulley 13 and pushing the sliding rod 15 to slide in the sliding guide cylinder 16, thereby driving the fixed balls 17 to move out of the material guide cylinder 7, so that the table tennis falls out of the material guide cylinder 7 and rebounds to the collecting box 20 through the inclined plate 23, greatly simplifying the prior table tennis detection device, meanwhile, the table tennis bounce performance detection device can be used for continuously detecting the table tennis, so that the labor and the time are saved, and the defects of the existing table tennis bounce performance detection device are overcome.

When the simple table tennis bounce height detection device capable of continuously detecting works, table tennis is poured into the material guide hopper 2, so that the table tennis accumulated at the bottom in the material guide hopper 2 falls into the material guide cylinder 7 through the material guide opening 6, the table tennis is limited by the two fixed balls 17 on the upper side of the inner cavity of the material guide cylinder 7, the driving gear 9 is driven to rotate through the operation of the rotating motor 8, so that the two driven gears 10 are driven to rotate in different directions, the two eccentric wheels 12 are driven to rotate in different directions through the two pin shafts 11, so that the two pulleys 13 are intermittently pushed, the pulleys 13 drive the two sliding rods 15 to intermittently move through the rotating shaft 14, so that the two sliding rods 15 drive the two fixed balls 17 to repeatedly move in the sliding guide cylinder 16 and intermittently extend into the material guide cylinder 7 to limit the table tennis, when the fixed ball 17 on the upper side is moved out of the material guide cylinder 7, the fixed balls 17 on the lower side do not move, so that the table tennis balls in the material guide cylinder 7 fall between the fixed balls 17 on the upper side and the lower side, when the fixed balls 17 on the lower side move out of the material guide cylinder 7, the table tennis balls are released from the material guide cylinder 7, the fixed balls 17 on the upper side do not move, the eccentric wheel 12 pushes the fixing piece 18 to drive the sliding rod 15 and the fixed balls 17 to reset through the reset spring 19 after rotating for half a circle, the table tennis balls falling out of the material guide cylinder 7 fall onto the inclined plate 23 and rebound into the collecting box 20, the table tennis balls with insufficient bouncing height due to poor quality fall into the discharging frame plate 21 on the front side of the collecting box 20 and are discharged from the cylinder 1 through the wind-proof plate 22, and the collecting box 20 is pulled out of the cylinder 1 through opening the movable door 24 to perform subsequent.

In conclusion, the simple table tennis bounce height detection device capable of continuously detecting is obtained, through the arrangement of the two driven gears 10 and the meshing connection relationship between the two driven gears 10 and the driving gear 9, so that a certain interval exists between the motions of the two sliding rods 15 which are positioned on the same side of the guide cylinder 7, and a certain interval exists between the motions of the fixed balls 17 which are positioned on the upper side and the lower side of the inner cavity of the guide cylinder 7, so that the table tennis in the guide cylinder 7 can be blocked by the fixed balls 17 on the lower side when falling due to the fact that the fixed balls 17 on the upper side are moved out, the situation that the detection effect is affected by the fact that the table tennis is directly fallen due to overlarge gravity acceleration is avoided, meanwhile, the fixed balls 17 on the upper side when the table tennis is discharged out are moved out, the closing effect is achieved, and the situation that the table tennis.

Simultaneously, openly set up ejection of compact framed bent 21 through at collecting box 20 to can make the relatively poor table tennis that can't reach the normal height of spring fall into ejection of compact framed bent 21, and discharge in following barrel 1 via prevent wind board 22, prevent wind board 22 through the setting and can avoid influencing the condition appearance that table tennis normally falls and kick-backs in barrel 1 is insufflated to the outside air of barrel 1.

Meanwhile, the driving gear 9 is driven by the rotating motor 8, so that the driven gear 10 and the pin shaft 11 are driven to rotate, the eccentric wheel 12 is driven to rotate in a mode of deviating from the center of a circle, the eccentric wheel is contacted with the pulley 13 and pushes the sliding rod 15 to slide in the sliding guide barrel 16, the fixed ball 17 is driven to move out of the material guide barrel 7, the table tennis falls out of the material guide barrel 7 and rebounds to the collecting box 20 through the inclined plate 23, the conventional table tennis detection device is greatly simplified, meanwhile, continuous table tennis detection can be performed, manpower and time are saved, and the defects of the conventional table tennis bounce performance detection device are overcome.

The electrical components presented in the document are electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device for controlling a computer and the like.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a but plain type table tennis spring height detection device of continuous detection, includes barrel (1), the top cover of barrel (1) is equipped with into hopper (2), and one side of going into hopper (2) top articulates there is the right side of apron (3), the left side overlap joint of apron (3) bottom is in the left side of going into hopper (2) top, and the middle part fixedly connected with handle (4) at apron (3) top, antiskid cover (5) have been cup jointed on handle (4), guide mouth (6) have been seted up at the middle part of going into hopper (2) bottom, and the inner chamber intercommunication of guide mouth (6) and barrel (1), its characterized in that: the bottom of the material guide port (6) is fixedly connected with a material guide cylinder (7), and the inner cavity of the material guide cylinder (7) is communicated with the material guide port (6);

the left side and the right side of the rear side of the inner wall of the barrel body (1) are fixedly provided with rotating motors (8), output shafts of the two rotating motors (8) are respectively sleeved with driving gears (9), the upper side and the lower side of one side, opposite to the two driving gears (9), are respectively meshed with two driven gears (10), pin shafts (11) are respectively inserted in the shaft centers of the two driven gears (10), the front ends and the rear ends of the two pin shafts (11) are respectively movably connected to the front side and the rear side of the inner wall of the barrel body (1), eccentric wheels (12) are respectively sleeved on the two pin shafts (11), the left sides of the two eccentric wheels (12) are respectively in sliding connection with the right sides of the two pulleys (13), rotating shafts (14) are respectively inserted in the shaft centers of the two pulleys (13), the two rotating shafts (14) are respectively in movable connection with the right ends of the two sliding rods (15), and two guide sliding drums (16) are inserted in the, two sliding rods (15) are respectively inserted in the two sliding guide cylinders (16), one ends of the two sliding rods (15) opposite to the pulleys (13) are fixedly connected with fixing balls (17), the two fixing balls (17) extend into the material guide cylinders (7), one ends of the sliding rods (15) close to the fixing balls (17) are respectively sleeved with a fixing piece (18), the side surface of each fixing piece (18) is in sliding connection with the inner wall of each sliding guide cylinder (16), the right side of each fixing piece (18) is fixedly connected with a return spring (19), and one end of each return spring (19) opposite to each fixing piece (18) is clamped on the right side of the inner cavity of each sliding guide cylinder (16);

a collecting box (20) is arranged below the material guide cylinder (7), the bottom of the collecting box (20) is slidably connected to the inner bottom of the cylinder body (1), two discharging frame plates (21) are fixedly connected to the front side of the collecting box (20), the left end and the right end of each discharging frame plate (21) respectively penetrate through the left side and the right side of the cylinder body (1), wind-proof plates (22) are hinged to the positions of the left side and the right side of the cylinder body (1) opposite to one ends of the two discharging frame plates (21), an inclined plate (23) is arranged in front of the collecting box (20), the bottom of the inclined plate (23) is fixedly connected to the inner bottom of the cylinder body (1), a movable door (24) is hinged to the position of the back side of the cylinder body (1) opposite to the collecting box (20), and the movable door (24) penetrates through the;

the inner cavity of the feeding hopper (2) is wide at the top and narrow at the bottom, and the top of the feeding hopper (2) is tightly attached to the bottom of the cover plate (3);

the guide cylinder (7) is wide at the top and narrow at the bottom, and the bottom end of the guide cylinder (7) is positioned above the inclined plate (23);

the right side of the circle center of the eccentric wheel (12) is sleeved on the pin shaft (11), and the eccentric wheel (12) and the driving gear (9) are not located on the same longitudinal plane.

2. The apparatus for detecting bounce height of ping-pong ball in simplified form capable of continuous detection as claimed in claim 1, wherein: the elastic force of the return spring (19) is larger than the self weight of the sliding rod (15), and a gap is reserved between the side surface of the return spring (19) and the inner wall of the guide sliding cylinder (16).

3. The apparatus for detecting bounce height of ping-pong ball in simplified form capable of continuous detection as claimed in claim 1, wherein: the longitudinal section of the discharging frame plate (21) is U-shaped, and the height of the front wall of the discharging frame plate (21) is lower than that of the rear wall.

4. The method for detecting the simple ping-pong bounce height detection device capable of continuously detecting according to any one of claims 1-3, wherein: through the arrangement of the two driven gears (10) and the meshing connection relationship between the two driven gears (10) and the driving gear (9), a certain interval exists between the motions of the two sliding rods (15) positioned on the same side of the material guide cylinder (7), and a certain interval exists between the motions of the fixed balls (17) positioned on the upper side and the lower side of the inner cavity of the material guide cylinder (7), so that the table tennis balls in the material guide cylinder (7) can be blocked by the fixed balls (17) on the lower side when falling due to the fact that the fixed balls (17) on the upper side are moved out, the situation that the detection effect is affected by the fact that the table tennis balls directly fall due to overlarge gravity acceleration is avoided, meanwhile, the fixed balls (17) on the upper side play a closing effect when the table tennis balls are discharged due to the fact that the fixed balls (17) on the lower side are moved out;

meanwhile, the discharging frame plate (21) is arranged on the front face of the collecting box (20), so that table tennis balls with poor quality and incapable of reaching the normal bouncing height can fall into the discharging frame plate (21) and are discharged from the barrel body (1) through the wind-proof plate (22), and the wind-proof plate (22) can be arranged to prevent air outside the barrel body (1) from blowing into the barrel body (1) to influence the normal falling and rebounding of the table tennis balls;

meanwhile, the driving gear (9) is driven by the rotating motor (8), so that the driven gear (10) and the pin shaft (11) are driven to rotate, the eccentric wheel (12) is driven to rotate in a mode of deviating from the circle center, the sliding rod (15) is driven to slide in the sliding guide cylinder (16) by being in contact with the pulley (13), and the fixed ball (17) is driven to move out of the guiding guide cylinder (7), so that the table tennis falls out of the guiding guide cylinder (7) and rebounds to the collecting box (20) through the inclined plate (23).