CN112657167A - Two-axis variable frequency serve trainer with movable chassis - Google Patents
Two-axis variable frequency serve trainer with movable chassis Download PDFInfo
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- CN112657167A CN112657167A CN202011579469.7A CN202011579469A CN112657167A CN 112657167 A CN112657167 A CN 112657167A CN 202011579469 A CN202011579469 A CN 202011579469A CN 112657167 A CN112657167 A CN 112657167A
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Abstract
The invention relates to the technical field of physical training equipment, in particular to a two-axis variable-frequency serve trainer with a movable chassis, which comprises a chassis and a holder arranged on the chassis; the chassis comprises a chassis frame mechanism, a chassis ammunition feeding mechanism arranged on the chassis frame mechanism and a movement mechanism arranged on the chassis frame mechanism and used for driving the chassis to move; the cradle head comprises a cradle head frame mechanism, a cradle head ammunition supply link arranged on the cradle head frame mechanism and a ball serving mechanism connected with the cradle head ammunition supply link; the sphere from the chassis ammunition feeding mechanism can enter the tripod head ammunition feeding link. The invention can realize multi-angle and variable-frequency service on the premise that the chassis is movable, can realize automatic movement, rotation, variable-frequency service and artificial control of moving service through the regulation and control of the single chip microcomputer, imitates a complex service environment, has low ball clamping rate, can be hung at a guardrail at the edge of a table or a training field, and has extremely high practicability.
Description
Technical Field
The invention relates to the technical field of physical training equipment, in particular to a two-axis variable-frequency serve trainer with a movable chassis.
Background
Tennis, table tennis and other hitting ball games are popular in the world nowadays and are popular with outdoor sporters. With the rapid development of tennis and table tennis, many colleges and universities also develop related courses and professions, and are deeply welcomed by wide students. Most students generally need at least one partner for training, but due to the unequal relationship between the number of students and the number of coaches, the number of the partner for training is often short. Based on this background, many colleges or training institutions will use a tee training machine to train students. However. Most of the existing commonly used ball serving machines are fixed type ball serving machines, the moving, rotating and frequency conversion ball serving effects can be rarely realized simultaneously, in actual match, the ball serving mode, angle and frequency of an opponent are changed, so that the auxiliary effect which can be realized by the ball serving training machine is reduced, and the training effect is influenced. Therefore, a device which can move, achieve multi-angle and variable-frequency ball serving and can be controlled by a preset program and manually remotely controlled needs to be designed to simulate a complex ball serving scene, so that the device is closer to real person ball serving training, a gap which is insufficient for real person accompanying training is made up, and the effect of ball serving training is greatly improved.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention aims to: the utility model provides a mobilizable two axle frequency conversion service training wares in chassis, this service training ware can realize multi-angle, frequency conversion service under the mobilizable prerequisite in chassis, and can hang in the department such as table limit or training field limit guardrail.
In order to achieve the purpose, the invention adopts the following technical scheme:
a two-axis variable frequency service trainer with a movable chassis comprises a chassis and a holder arranged on the chassis; the chassis comprises a chassis frame mechanism, a chassis ammunition feeding mechanism arranged on the chassis frame mechanism and a movement mechanism arranged on the chassis frame mechanism and used for driving the chassis to move; the cradle head comprises a cradle head frame mechanism, a cradle head ammunition supply link arranged on the cradle head frame mechanism and a ball serving mechanism connected with the cradle head ammunition supply link; the sphere from the chassis ammunition feeding mechanism can enter the tripod head ammunition feeding link.
Further, chassis frame mechanism includes first aluminium frame and second aluminium frame, and first aluminium frame and second aluminium frame pass through elasticity hinge hinged joint, and the angle of first aluminium frame and second aluminium frame all is provided with fixed fishplate bar, and the top of first aluminium frame is provided with the chassis bottom plate.
Further, chassis ammunition feed mechanism is including storing up the ball storehouse, stores up the ball storehouse and installs on the chassis bottom plate, and the bottom of storing up the ball storehouse is connected with the driver plate, is provided with the thumb wheel in the driver plate, is connected with the driver plate motor on the driver plate, and the exit of driver plate is connected with the chassis and supplies the bullet pipe, and the chassis supplies to be connected with right angle joint on the bullet pipe, and right angle joint connects on the chassis bottom plate, and right angle joint communicates with each other with the.
Furthermore, the movement mechanism comprises a movement friction wheel and a driven wheel, the movement friction wheel and the driven wheel are all rotatably connected to the bottom of the chassis bottom plate, the movement friction wheel is connected with a driving motor, the side wall of the inside of the first aluminum frame is rotatably connected with a first compression bearing, and the bottom of the inside of the second aluminum frame is rotatably connected with a second compression bearing.
Further, cloud platform frame mechanism includes cloud platform bottom plate and cloud platform expelling plate, the both sides of cloud platform bottom plate are connected with motor support curb plate and pipeline support curb plate respectively, the inboard rotation of motor support curb plate is connected with vertical shaft support, the inboard rotation of pipeline support curb plate is connected with the pipeline supporting shoe, the one end of cloud platform expelling plate is connected on vertical shaft support, the other end of cloud platform expelling plate is connected on the pipeline supporting shoe, the outside that the motor supported the curb plate is connected with pitch axle motor, the output shaft and the vertical shaft support of pitch axle motor are connected, the bottom of cloud platform bottom plate is connected with yaw axle hollow shaft motor, the bottom of yaw axle hollow shaft motor is connected with three fenders mounting, three fenders mounting is connected on the chassis bottom plate, three fenders mounting communicates with each other with the.
Further, the cloud platform ammunition feed link includes that the level supplies the bullet pipe, vertical confession bullet pipe and movable confession bullet pipe, the one end that the level supplied the bullet pipe is connected on the cloud platform bottom plate, the one end that the level supplied the bullet pipe communicates with each other with yaw axle hollow shaft motor, the other end that the level supplied the bullet pipe is connected on pipeline support curb plate, the one end of vertical confession bullet pipe is connected on pipeline support curb plate, the level supplies bullet pipe and vertical confession bullet pipe to communicate with each other, the one end rotation of movable confession bullet pipe is connected on the other end of vertical confession bullet pipe, the other end of movable confession bullet pipe is connected on serving the mechanism.
Further, the service mechanism includes the thimble fixing base, the thimble fixing base passes through the fix with screw on cloud platform expelling plate, the other end that the movable bullet pipe that supplies is connected on the thimble fixing base, be equipped with out the ball through-hole on the thimble fixing base, there is the service barrel in the thimble fixing base, the service barrel passes through the pipeline mounting to be fixed on cloud platform expelling plate, it communicates with each other with the service barrel to go out the ball through-hole, the left and right sides symmetry of service barrel is equipped with the opening, the opening part of service barrel both sides all is equipped with service friction pulley, be connected with service friction pulley motor on the service friction pulley, service friction pulley motor passes through the fix with screw on cloud platform expelling plate, service friction pulley is located the place ahead of thimble fixing base.
Furthermore, telescopic metal probes are symmetrically arranged on the upper side and the lower side of the thimble fixing seat, grooves are symmetrically arranged on the upper side and the lower side of the service gun barrel, and the metal probes can stretch in the grooves.
Further, the bottom inside the drive plate is also provided with a bearing and a brush.
Furthermore, the holder bottom plate is connected with the motor support side plate in a mortise and tenon mode, and the joint of the holder bottom plate and the motor support side plate is reinforced through an angle code; the cradle head bottom plate is connected with the pipeline supporting side plate in a mortise and tenon mode, and the joint of the cradle head bottom plate and the pipeline supporting side plate is reinforced through an angle code.
In summary, the present invention has the following advantages:
the invention can realize multi-angle and variable-frequency service on the premise that the chassis is movable, can realize automatic movement, rotation, variable-frequency service and artificial control of moving service through the regulation and control of the single chip microcomputer, imitates a complex service environment, has low ball clamping rate, can be hung at a guardrail at the edge of a table or a training field, and has extremely high practicability.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the chassis of the present invention.
Fig. 3 is a side view of the chassis of the present invention.
FIG. 4 is a schematic bottom structure view of the first aluminum frame of the present invention.
Fig. 5 is a schematic structural view of the head according to the invention.
Fig. 6 is a schematic front view of the head according to the invention.
Fig. 7 is a schematic view of the internal structure of the head according to the invention.
Wherein: 1 is a chassis, 2 is a tripod head, 3 is a first aluminum frame, 4 is a second aluminum frame, 5 is an elastic hinge, 6 is a fixed joint plate, 7 is a chassis bottom plate, 8 is a ball storage bin, 9 is a drive plate, 10 is a drive plate motor, 11 is a chassis spring supply pipe, 12 is a right-angle joint, 13 is a motion friction wheel, 14 is a driven wheel, 15 is a driving motor, 16 is a first hold-down bearing, 17 is a second hold-down bearing, 18 is a tripod head bottom plate, 19 is a tripod head launching plate, 20 is a motor support side plate, 21 is a pipeline support side plate, 22 is a vertical shaft support, 23 is a pipeline support block, 24 is a pitch shaft motor, 25 is a yaw shaft hollow shaft motor, 26 is a three-division plate fixing part, 27 is a horizontal spring supply pipe, 28 is a vertical spring supply pipe, 29 is a movable spring supply pipe, 30 is a thimble fixing seat, 31 is a ball-serving barrel, 32 is a pipeline, 33 is a ball-serving friction wheel, 34 is a ball-serving friction wheel, 35 is a metal probe and 36 is an angle code.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in fig. 1, a two-axis variable frequency serve trainer with a movable chassis comprises a chassis and a holder arranged on the chassis; the chassis comprises a chassis frame mechanism, a chassis ammunition feeding mechanism arranged on the chassis frame mechanism and a movement mechanism arranged on the chassis frame mechanism and used for driving the chassis to move; the cradle head comprises a cradle head frame mechanism, a cradle head ammunition supply link arranged on the cradle head frame mechanism and a ball serving mechanism connected with the cradle head ammunition supply link; the sphere from the chassis ammunition feeding mechanism can enter the tripod head ammunition feeding link.
As shown in fig. 2, the chassis frame mechanism includes a first aluminum frame and a second aluminum frame, the first aluminum frame and the second aluminum frame are connected by an elastic hinge, the corner joints of the first aluminum frame and the second aluminum frame are both provided with a fixed connection plate, and the top of the first aluminum frame is provided with a chassis base plate. The strength of the first aluminum frame and the second aluminum frame can be increased by installing the fixed connecting plate; first aluminium frame and second aluminium frame pass through elasticity hinge joint, can realize opening and shutting, make things convenient for carry and take off, and first aluminium frame and second aluminium frame can be carried in the department such as table limit or training field limit guardrail, can block between first aluminium frame and second aluminium frame promptly table limit or training field limit guardrail etc. and be 180, and the atress scope is very big, has guaranteed the shape that keeps that first aluminium frame and second aluminium frame can stabilize after folding.
As shown in fig. 3, the chassis ammunition feeding mechanism comprises a ball storage bin, the ball storage bin is installed on a chassis bottom plate, the bottom of the ball storage bin is connected with a drive plate, a drive wheel is arranged in the drive plate, a drive plate motor is connected to the drive plate, a chassis ammunition feeding pipe is connected to the outlet of the drive plate, a right-angle joint is connected to the chassis ammunition feeding pipe, the right-angle joint is connected to the chassis bottom plate, and the right-angle joint is communicated with a. The driving plate is connected with a driving plate motor, an output shaft of the driving plate motor is connected with the driving wheel, the driving plate motor can drive the driving wheel to rotate, when the ball body is placed in the ball storage bin, part of balls sequentially enter the driving plate, the ball body is pushed out from an outlet of the driving plate along with the rotation of the driving wheel, the conversion from static state to dynamic state is realized, the normal operation of the whole ball serving chain is promoted, the rotating speed of the driving plate motor is adjustable, the number of balls sent in unit time can be correspondingly changed, and the ball serving frequency can be changed in a large range; meanwhile, the bottom inside the drive plate is also provided with a bearing and a brush, so that the ball clamping rate is greatly reduced and is extremely low; in the embodiment, the ball storage bin can be made of portable plastic or PC (polycarbonate) with strong hardness, and the ball storage amount is large; the base plate bullet supply pipe is horizontal, and can be made of POM (polyformaldehyde).
As shown in fig. 2, 3 and 4, the movement mechanism comprises a movement friction wheel and a driven wheel, the movement friction wheel and the driven wheel are both rotatably connected to the bottom of the chassis bottom plate, the movement friction wheel is connected with a driving motor, the inner side wall of the first aluminum frame is rotatably connected with a first compression bearing, and the inner bottom of the second aluminum frame is rotatably connected with a second compression bearing. In the embodiment, the number of the motion friction wheels is two, the number of the driven wheels is two, the number of the first compression bearings is two, the number of the second compression bearings is four, the two motion friction wheels are symmetrically arranged on two sides of the chassis ammunition supply pipe, the two driven wheels are also symmetrically arranged on two sides of the chassis ammunition supply pipe, and each motion friction wheel is connected with a driving motor for driving the motion friction wheel to rotate; hang first aluminium frame and second aluminium frame in departments such as table limit or training field limit guardrail, block such as table limit or training field limit guardrail promptly between first aluminium frame and second aluminium frame, two first pressure bearings of first aluminium frame lateral wall make the chassis can guarantee to paste tight table limit, driving motor drive motion friction pulley rotates for the chassis can move on the table limit, two can play the effect of supplementary removal from the driving wheel, make the removal on chassis more in the same direction as smooth.
As shown in fig. 5, 6 and 7, the cradle head frame mechanism comprises a cradle head bottom plate and a cradle head transmitting plate, two sides of the cradle head bottom plate are respectively connected with a motor supporting side plate and a pipeline supporting side plate, the inner side of the motor supporting side plate is rotatably connected with a vertical shaft support, the inner side of the pipeline supporting side plate is rotatably connected with a pipeline supporting block, one end of the cradle head transmitting plate is connected to the vertical shaft support, the other end of the cradle head transmitting plate is connected to the pipeline supporting block, the outer side of the motor supporting side plate is connected with a pitch shaft motor, an output shaft of the pitch shaft motor is connected with the vertical shaft support, the bottom of the cradle head bottom plate is connected with a yaw shaft motor, the bottom of the yaw shaft motor is connected with a three-dividing plate fixing member, the three-dividing. In the embodiment, the holder bottom plate and the motor support side plate are connected in a mortise and tenon mode, and the joint of the holder bottom plate and the motor support side plate is reinforced through an angle code, so that the connection is more stable; the cradle head bottom plate is connected with the pipeline supporting side plate in a mortise and tenon mode, and the joint of the cradle head bottom plate and the pipeline supporting side plate is reinforced through an angle code, so that the connection is more stable. The outer side of the motor supporting side plate is connected with a pitch shaft motor, an output shaft of the pitch shaft motor is connected with the vertical shaft support, the pitch shaft motor can drive the vertical shaft support to rotate, pitch means rotating around an X axis and is also called pitch angle, the pitch shaft motor can drive the vertical shaft support to perform pitching motion, and then the holder launching plate is driven to perform pitching motion, so that the holder launching plate has the freedom degree of the pitch shaft; the bottom of the cradle head bottom plate is connected with a yaw axis hollow shaft motor, the yaw axis hollow shaft motor can drive the cradle head bottom plate to rotate, yaw means that the cradle head bottom plate rotates around a Y axis and is also called a yaw angle, and the yaw axis hollow shaft motor can drive the cradle head bottom plate to perform yaw motion so as to drive the cradle head emission plate to perform yaw motion, so that the cradle head emission plate has a yaw axis degree of freedom; the cradle head bottom plate, the cradle head emission plate, the motor support side plate and the pipeline support side plate are all made of glass fiber materials, so that the firmness is high; the pipeline supporting block is made of ABS plastic.
As shown in fig. 5, 6 and 7, the cloud platform ammunition supply link includes the level and supplies the bullet pipe, vertical confession bullet pipe and movable confession bullet pipe, the one end that the level supplied the bullet pipe is connected on the cloud platform bottom plate, the one end that the level supplied the bullet pipe communicates with each other with the yaw axle hollow shaft motor, the other end that the level supplied the bullet pipe is connected on pipeline support curb plate, the one end of vertical confession bullet pipe is connected on pipeline support curb plate, the level supplies bullet pipe and vertical confession bullet pipe to communicate with each other, the one end rotation of movable confession bullet pipe is connected on the other end of vertical confession bullet pipe, the other end of movable confession bullet pipe is connected on serving the mechanism. In the embodiment, one end of the horizontal ammunition supply pipe is communicated with a yaw axis hollow shaft motor, the horizontal ammunition supply pipe is used for guiding and transporting the ball after the ball is delivered out of the hollow shaft of the motor, the vertical ammunition supply pipe is communicated with the horizontal ammunition supply pipe, the vertical ammunition supply pipe is used for guiding and transporting the ball after the ball is delivered out of the horizontal ammunition supply pipe, and the movable ammunition supply pipe is used for conveying the ball to the ball serving mechanism; the horizontal bullet supply pipe is made of ABS plastic, and the vertical bullet supply pipe and the movable bullet supply pipe are made of glass fiber materials.
As shown in fig. 6 and 7, the service mechanism includes a thimble fixing seat, the thimble fixing seat is fixed on the cloud deck launching plate through a screw, the other end of the movable cartridge feeding tube is connected on the thimble fixing seat, a service through hole is arranged on the thimble fixing seat, a service barrel is connected in the thimble fixing seat, the service barrel is fixed on the cloud deck launching plate through a pipeline fixing part, the service through hole is communicated with the service barrel, openings are symmetrically arranged on the left side and the right side of the service barrel, service friction wheels are arranged at the openings on the two sides of the service barrel, a service friction wheel motor is connected on the service friction wheel, the service friction wheel motor is fixed on the cloud deck launching plate through a screw, and the service friction wheel is located in front of the thimble fixing seat. In this embodiment, the retractable metal probes are symmetrically arranged on the upper and lower sides of the thimble fixing seat, the grooves are symmetrically arranged on the upper and lower sides of the service gun barrel, and the metal probes can be retracted in the grooves. The metal probes on the upper side and the lower side of the thimble fixing seat are matched with each other to block a ball entering a ball serving barrel together, and the metal probes can play a limiting role on the ball to prevent the ball from being pushed out uncontrollably. The ball-serving friction wheel motor drives the ball-serving friction wheel to rotate, the ball-serving friction wheels on the left side and the right side of the ball-serving gun barrel rotate at a high speed under the driving of the ball-serving friction wheel motor, the rotation directions of the two ball-serving friction wheels are opposite, and a ball body is launched at a high speed under the action of friction extrusion of the two ball-serving friction wheels. The service speed can be changed within a certain range by adjusting the rotating speed of the service friction wheel motor.
The working process of the invention is as follows:
the ball is loaded into the ball storage bin, a program or manual remote control can be set in advance, the dial wheel of the drive plate is controlled to rotate, the ball is pulled out from the outlet of the drive plate and sequentially passes through the chassis ammunition supply pipe, the right-angle joint, the yaw axis hollow shaft motor, the horizontal ammunition supply pipe, the vertical ammunition supply pipe and the movable ammunition supply pipe, enters the ejector pin fixing seat and enters the ball serving barrel, the program or manual remote control ball serving friction wheel motor can be set in advance, the ball is shot out, the ball serving effect is achieved, and training is assisted.
When the ball is delivered, the flowing pipeline of the ball is filled with the ball, when the dial wheel rotates to dial the ball out from the outlet of the dial plate, the ball at the foremost end in the thimble fixing seat can be pushed forward, because the upper side and the lower side of the thimble fixing seat are symmetrically provided with the telescopic metal probes, the metal probes on the upper side and the lower side of the thimble fixing seat are matched with each other to block the ball body from advancing, and because the metal probes are telescopic, therefore, under the action of the driving force of the rotation of the thumb wheel, the ball body which is preset at the foremost end in the thimble fixing seat can compress the metal probe, and smoothly pass through the gap between the metal probes on the upper side and the lower side, enter the service friction wheel, the released balls contact the service friction wheels on the two sides of the service gun barrel, the service friction wheels rotate at high speed under the drive of the service friction wheel motor, and the rotation directions of the two service friction wheels are opposite, and the released ball body is launched at a high speed under the action of friction extrusion of the service friction wheels.
After the ball at the foremost end in the thimble fixing seat is released out, the latter ball is blocked by the metal probes on the upper side and the lower side of the thimble fixing seat until the shifting wheel rotates again to pull out the other ball in the ball storage bin, and the ball is pushed forward and enters the ball serving friction wheel to realize launching. The thimble fixing seat and the metal probe enable the ball body to be controllable and single shot.
Because the existence of thimble fixing base and metal probe to and the driver plate motor can be for setting up the procedure, can realize single shot or running a shot when serving, and can control the rotational speed of serving friction pulley motor and the ball frequency of dialling of driver plate motor, thereby realize the frequency conversion, the drive motor of accessible control motion friction pulley realizes that the chassis removes simultaneously, realize the multi-angle change of cloud platform serving through control yaw axle hollow shaft motor and pitch axle motor, finally realize the two-axis frequency conversion serving of chassis under portable prerequisite.
Generally speaking, the invention can realize multi-angle and variable-frequency serve on the premise that the chassis is movable, can realize automatic movement, rotation, variable-frequency serve and manual control of moving serve through the regulation and control of the single chip microcomputer, imitates a complex serve environment, has low ball blocking rate, can be hung at a guardrail at the side of a table or a training field and the like, and has extremely high practicability.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a mobilizable biaxial frequency conversion service training ware in chassis which characterized in that: comprises a chassis and a holder arranged on the chassis; the chassis comprises a chassis frame mechanism, a chassis ammunition feeding mechanism arranged on the chassis frame mechanism and a movement mechanism arranged on the chassis frame mechanism and used for driving the chassis to move; the cradle head comprises a cradle head frame mechanism, a cradle head ammunition supply link arranged on the cradle head frame mechanism and a ball serving mechanism connected with the cradle head ammunition supply link; the sphere from the chassis ammunition feeding mechanism can enter the tripod head ammunition feeding link.
2. The two-axis variable frequency serve trainer with movable chassis according to claim 1, which is characterized in that: the chassis frame mechanism comprises a first aluminum frame and a second aluminum frame, the first aluminum frame and the second aluminum frame are connected through elastic hinge hinges, the corner joints of the first aluminum frame and the second aluminum frame are provided with fixing connection plates, and a chassis bottom plate is arranged at the top of the first aluminum frame.
3. The two-axis variable frequency serve trainer with movable chassis according to claim 2, which is characterized in that: the chassis ammunition feeding mechanism comprises a ball storage bin, the ball storage bin is installed on a chassis bottom plate, the bottom of the ball storage bin is connected with a drive plate, a drive wheel is arranged in the drive plate, a drive plate motor is connected onto the drive plate, a chassis ammunition feeding pipe is connected to the outlet of the drive plate, a right-angle joint is connected onto the chassis ammunition feeding pipe, the right-angle joint is connected onto the chassis bottom plate, and the right-angle joint is communicated with a holder.
4. The two-axis variable frequency serve trainer with movable chassis according to claim 2, which is characterized in that: the movement mechanism comprises a movement friction wheel and a driven wheel, the movement friction wheel and the driven wheel are connected to the bottom of the chassis bottom plate in a rotating mode, the movement friction wheel is connected with a driving motor, the side wall of the inside of the first aluminum frame is connected with a first compression bearing in a rotating mode, and the bottom of the inside of the second aluminum frame is connected with a second compression bearing in a rotating mode.
5. The two-axis variable frequency serve trainer with movable chassis according to claim 3, which is characterized in that: the tripod head frame structure includes cloud platform bottom plate and cloud platform transmitting plate, the both sides of cloud platform bottom plate are connected with motor support curb plate and pipeline support curb plate respectively, the inboard rotation of motor support curb plate is connected with vertical axle support, the inboard rotation of pipeline support curb plate is connected with the pipeline supporting shoe, the one end of cloud platform transmitting plate is connected on vertical axle support, the other end of cloud platform transmitting plate is connected on the pipeline supporting shoe, the outside of motor support curb plate is connected with pitch axle motor, the output shaft and the vertical axle support of pitch axle motor are connected, the bottom of cloud platform bottom plate is connected with yaw axle hollow shaft motor, the bottom of yaw axle hollow shaft motor is connected with three fenders mounting, three fenders mounting is connected on chassis bottom plate, three fenders mounting communicate with each other with the.
6. The two-axis variable frequency serve trainer with movable chassis according to claim 5, which is characterized in that: the cloud platform supplies the bullet link to include that the level supplies the bullet pipe, vertical confession bullet pipe and movable confession bullet pipe, the level supplies the one end of bullet pipe to be connected on the cloud platform bottom plate, the level supplies the one end of bullet pipe to communicate with each other with the yaw axle hollow shaft motor, the level supplies the other end of bullet pipe to connect on pipeline support curb plate, the one end of vertical confession bullet pipe is connected on pipeline support curb plate, the level supplies bullet pipe and vertical confession bullet pipe to communicate with each other, movable confession bullet pipe's one end is rotated and is connected on the other end of vertical confession bullet pipe, movable confession bullet pipe's the other end is connected on serving the mechanism.
7. The two-axis variable frequency serve trainer with movable chassis according to claim 6, which is characterized in that: the service mechanism includes the thimble fixing base, the thimble fixing base passes through the fix with screw on cloud platform expelling plate, the other end of movable confession marble pipe is connected on the thimble fixing base, be equipped with out the ball through-hole on the thimble fixing base, it has the service gun pipe to connect in the thimble fixing base, the service gun pipe passes through the pipeline mounting and fixes on cloud platform expelling plate, it communicates with each other with the service gun pipe to go out the ball through-hole, the left and right sides symmetry of service gun pipe is equipped with the opening, the opening part of service gun pipe both sides all is equipped with service friction pulley, be connected with service friction pulley motor on the service friction pulley, service friction pulley motor passes through the fix with screw on cloud platform expelling plate, service friction pulley is located.
8. The two-axis variable frequency serve trainer with movable chassis according to claim 7, which is characterized in that: telescopic metal probes are symmetrically arranged on the upper side and the lower side of the thimble fixing seat, grooves are symmetrically arranged on the upper side and the lower side of the service gun barrel, and the metal probes can be telescopic in the grooves.
9. The two-axis variable frequency serve trainer with movable chassis according to claim 3, which is characterized in that: the bottom of the driving plate is also provided with a bearing and a brush.
10. The two-axis variable frequency serve trainer with movable chassis according to claim 5, which is characterized in that: the cradle head bottom plate is connected with the motor support side plate in a mortise and tenon mode, and the joint of the cradle head bottom plate and the motor support side plate is reinforced through an angle code; the cradle head bottom plate is connected with the pipeline supporting side plate in a mortise and tenon mode, and the joint of the cradle head bottom plate and the pipeline supporting side plate is reinforced through an angle code.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011579469.7A CN112657167A (en) | 2020-12-28 | 2020-12-28 | Two-axis variable frequency serve trainer with movable chassis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011579469.7A CN112657167A (en) | 2020-12-28 | 2020-12-28 | Two-axis variable frequency serve trainer with movable chassis |
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| CN112657167A true CN112657167A (en) | 2021-04-16 |
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| CN202011579469.7A Pending CN112657167A (en) | 2020-12-28 | 2020-12-28 | Two-axis variable frequency serve trainer with movable chassis |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113440827A (en) * | 2021-08-03 | 2021-09-28 | 太原工业学院 | Multi-degree-of-freedom table tennis transmitter |
| CN113686202A (en) * | 2021-08-30 | 2021-11-23 | 华南理工大学 | Cloud platform crosses bullet mechanism based on spring hinge drive sliding opening |
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| CN113686202A (en) * | 2021-08-30 | 2021-11-23 | 华南理工大学 | Cloud platform crosses bullet mechanism based on spring hinge drive sliding opening |
| CN113686202B (en) * | 2021-08-30 | 2023-09-19 | 华南理工大学 | Tripod head spring passing mechanism based on spring hinge driving sliding port |
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