CN111617452A

CN111617452A - A middle storage device for tennis training

Info

Publication number: CN111617452A
Application number: CN202010546524.6A
Authority: CN
Inventors: 郭鹏
Original assignee: Shenyang Sport University
Current assignee: Shenyang Sport University
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2020-09-04
Anticipated expiration: 2040-06-16
Also published as: CN111617452B

Abstract

The invention discloses an intermediate storage device for tennis training, and belongs to the field of sports equipment. The device includes: the device comprises a drying box, a conveying box, a first screen plate and a second screen plate; one side wall of the drying box is designed to be an opening, the first screen plate and the second screen plate are both fixedly arranged at the opening of the drying box, a gap is formed between the first screen plate and the second screen plate, and the drying box is fixedly connected with the conveying box; the invention has the beneficial effects that: the tennis ball is collected by the external tennis ball picking robot and placed into the device, the tennis balls are dried in time by the drying device, the training effect reduction caused by the fact that the tennis balls are wetted when a tennis trainer performs tennis training is avoided, meanwhile, the whole device can be operated by only one motor through multi-structure transmission, and resources are saved.

Description

A middle storage device for tennis training

Technical Field

The invention relates to the field of sports equipment, in particular to an intermediate storage device for tennis training.

Background

Along with the change of life, more and more people begin to exercise the body, the tennis is particularly the first choice of most people, the tennis is very popular in the tennis, but the current tennis and training are often influenced by weather, even if the tennis is played after rain stops, because some court discharging ability is poor, the court still has ponding, the tennis can seriously influence the training effect if being soaked in the tennis training, and the time is too wasted if the tennis is dried in the court, and meanwhile, the device for drying the tennis is lacked in the prior art.

In summary, in the prior art, when tennis balls are wet, tennis balls cannot be dried quickly, and the effect of tennis training of a trainer is affected.

Disclosure of Invention

The invention provides an intermediate storage device for tennis training, which can solve the problem that tennis cannot be dried in time in the prior art.

An intermediate storage device for tennis training comprises a drying box, a conveying box, a first net plate and a second net plate;

one side wall of the drying box is designed to be an opening, the first screen plate and the second screen plate are both fixedly arranged at the opening of the drying box, a gap is formed between the first screen plate and the second screen plate, and the drying box is fixedly connected with the conveying box;

the drying box comprises a drying box body, an end cover, a handle, a drying device and an air breather, wherein the end cover can be opened and closed and is arranged at the upper end of the drying box body, the handle is fixedly arranged on the end cover, the drying box is positioned on the outer wall of one side wall of the conveying box and is fixedly provided with a motor, the drying device is rotatably arranged in the drying box, the motor is in driving connection with the drying device, the drying device is in driving connection with the air breather, the drying device comprises a rotating rod, a plurality of stirring rods and a plurality of heating wires, one end of the rotating rod penetrates through the box body at one side of the motor of the drying box, the other end of the rotating rod penetrates through the first screen plate to the gap between the first screen plate and the second screen plate, the rotating rod is positioned at one end of the motor and is in driving connection with a first driven wheel, and a first transmission shaft is, a first driving wheel and a second driving wheel are fixedly arranged at two ends of the first transmission shaft respectively, the first driving wheel is meshed with the first driven wheel, a first gear is fixedly connected to one end, located on the first screen plate, of the rotating rod, the stirring rods are circumferentially and uniformly arranged on the rotating rod, the heating wires are fixedly arranged on each stirring rod, and the heating wires correspond to the stirring rods in number one to one;

the ventilating device is rotatably arranged on the second screen plate and comprises fan blades, a first connecting rod and a second gear, the fan blades are fixedly connected with the first connecting rod, the first connecting rod is rotatably arranged on the second screen plate, and the second gear is meshed with the first gear.

Preferably, the lower end of the drying box is slidably provided with a bottom plate, one end of the bottom plate abuts against the inner wall of the drying box body provided with the motor of the drying box, the other end of the bottom plate penetrates through the first screen plate and the second screen plate to the outside of the drying box, a starting switch and a stopping switch are arranged on a part of the bottom plate located at a gap between the first screen plate and the second screen plate, the starting switch is arranged on the bottom plate, the stopping switch is fixedly arranged on a side wall, close to the first screen plate, of the second screen plate, the bottom end of the drying box is located at one end of the motor, a first channel is arranged at one end of the bottom plate, when one end of the bottom plate abuts against the inner wall of the drying box, the first channel is shielded, one end of the bottom plate located at the first channel is a lower end, and one end of the bottom plate.

Preferably, a cavity is formed in the first driven wheel, a ratchet wheel and a pawl are arranged in the cavity, the ratchet wheel and the first driven wheel are coaxially arranged, the pawl is hinged to the inner wall of the first driven wheel, the pawl is matched with the ratchet wheel, and the ratchet wheel is fixedly connected with the rotating rod.

Preferably, a spiral blade and an arc-shaped plate are arranged between the second driving wheel and the motor, the spiral blade is fixedly arranged on the first transmission shaft, the arc-shaped plate is fixedly arranged on the inner wall of the bottom end of the conveying box, the first channel penetrates through the arc-shaped plate to the bottom end of the spiral blade, a second channel is formed in the upper end of the spiral blade, and the second channel is communicated to the jacking device.

Preferably, the jacking device comprises a first support, a second support, a sleeve, a jacking plate and a rotary table, the first support and the second support are fixedly arranged on the inner wall of the bottom end of the conveying box, a third transmission shaft is rotatably arranged on the first support, one end of the third transmission shaft is fixedly connected with a first bevel gear, the other end of the third transmission shaft is fixedly connected with the rotary table, a connecting column is eccentrically arranged on the rotary table and is fixedly connected with the rotary table, the sleeve is sleeved on the connecting column, a second connecting rod is fixedly connected on the sleeve, one end of the second connecting rod is fixedly connected with the sleeve, the other end of the second connecting rod is hinged on the lower end of the jacking plate, a sliding groove is formed in the second support, a sliding block is slidably arranged in the sliding groove and is fixedly connected with one side wall of the jacking plate, and a second transmission shaft is rotatably arranged on the inner wall of the bottom end of, one end of the second transmission shaft is fixedly connected with a second driven wheel, the other end of the second transmission shaft is fixedly connected with a second bevel gear, the second driven wheel is meshed with the second driving wheel, and the second bevel gear is meshed with the first bevel gear.

Preferably, the outer wall of the upper end of the conveying box is fixedly provided with an alarm device, the alarm device comprises an alarm, an alarm switch and a trigger device, the alarm is fixedly arranged on the outer wall of the box body of the conveying box, the alarm switch is arranged on the lower end face of the alarm, the trigger device is arranged below the alarm switch, the trigger device comprises a baffle and two steel needles, the two steel needles are respectively arranged at the lower end of the baffle, and the steel needles are all communicated with the conveying box to the inside of the conveying box.

Preferably, two guide rails are arranged inside the conveying box, the two guide rails are arranged oppositely, each guide rail comprises a first guide rail and a second guide rail, the first guide rail is hinged with the second guide rail, a stop block is fixedly arranged at the lower end of the second guide rail and used for limiting the first guide rail to rotate, a spring is arranged on the stop block, one end of the spring is fixedly connected to the first guide rail, and the other end of the spring is fixedly connected to the stop block.

The invention has the beneficial effects that: the tennis ball is collected by the external tennis ball picking robot and placed into the device, the tennis balls are dried in time by the drying device, the training effect reduction caused by the fact that the tennis balls are wetted when a tennis trainer performs tennis training is avoided, meanwhile, the whole device can be operated by only one motor through multi-structure transmission, and resources are saved.

Drawings

FIG. 1 is a schematic structural diagram of an intermediate storage device for tennis training according to the present invention,

figure 2 is a schematic structural view of a first driven wheel in the intermediate storage device for tennis training provided by the invention,

figure 3 is a partial enlarged view of the intermediate storage device for tennis training provided by the present invention at a in figure 1,

figure 4 is a partial enlarged view of the intermediate storage device for tennis training provided by the present invention at B in figure 1,

figure 5 is a partial enlarged view at C in figure 1 of an intermediate storage device for tennis training according to the present invention,

figure 6 is a partial enlarged view of the intermediate storage device for tennis training provided by the present invention at D in figure 1,

figure 7 is a cross-sectional view at E-E of figure 5 of an intermediate storage device for tennis training according to the present invention,

figure 8 is a cross-sectional view at F-F of figure 5 of an intermediate storage device for tennis training according to the present invention,

figure 9 is a cross-sectional view at G-G in figure 5 of an intermediate storage device for tennis training according to the present invention.

Description of reference numerals:

1-drying box, 11-drying box, 12-first screen plate, 121-bottom plate, 122-stop switch, 123-start switch, 124-first channel, 13-second screen plate, 14-end cover, 141-handle, 15-rotating rod, 151-stirring rod, 152-heating wire, 16-fan blade, 161-first connecting rod, 17-second gear, 18-first gear, 19-motor, 101-first driving wheel, 102-first driven wheel, 103-ratchet wheel, 104-pawl, 105-first transmission shaft, 2-conveying box, 21-second driving wheel, 211-second channel, 22-helical blade, 221-arc plate, 23-alarm, 24-alarm switch, 25-baffle, 251-steel needle, 26-first guide rail, 261-spring, 262-stop block, 27-second guide rail, 3-jacking device, 31-second driven wheel, 311-second transmission shaft, 312-second bevel gear, 32-first bevel gear, 321-third transmission shaft, 322-rotating disc, 33-jacking plate, 331-, 332-connecting column, 333-second connecting rod, 34-first bracket, 341-second bracket and 35-sliding block.

Detailed Description

An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.

Example 1:

as shown in fig. 1 to 2, an intermediate storage device for tennis training according to an embodiment of the present invention includes a drying box 1, a conveying box 2, a first net plate 12, and a second net plate 13;

one side wall of the drying box 1 is designed to be an opening, the first screen plate 12 and the second screen plate 13 are both fixedly arranged at the opening of the drying box 1, a gap is formed between the first screen plate 12 and the second screen plate 13, and the drying box 1 is fixedly connected with the conveying box 2;

the drying box 1 comprises a drying box body 11, an end cover 14, a handle 141, a drying device and an air breather, wherein the end cover 14 is arranged at the upper end of the drying box body 11 in an openable and closable manner, the handle 141 is fixedly arranged on the end cover 14, the drying box 1 is fixedly provided with a motor 19 on the outer wall of one side wall of the conveying box 2, the drying device is rotatably arranged in the drying box 1, the motor 19 is in driving connection with the drying device, the drying device is in driving connection with the air breather, the drying device comprises a rotating rod 15, a plurality of stirring rods 151 and a plurality of heating wires 152, one end of the rotating rod 15 penetrates through the box body of the drying box 1 at one side of the motor 19, the other end penetrates through a gap between the first screen plate 12 and the second screen plate 13, one end of the rotating rod 15 at the motor 19 is in driving connection with a first driven wheel 102, the motor 19 is in driving connection with a first driving shaft 105, and two ends of the first driving, the first driving wheel 101 is meshed with the first driven wheel 102, one end of the rotating rod 15, which is positioned on the first screen plate 12, is fixedly connected with the first gear 18, the stirring rods 151 are circumferentially and uniformly arranged on the rotating rod 15, the heating wires 152 are fixedly arranged on each stirring rod 151, and the number of the heating wires 152 corresponds to that of the stirring rods 151 one to one;

the ventilating device is rotatably arranged on the second net plate 13 and comprises a fan blade 16, a first connecting rod 161 and a second gear 17, the fan blade 16 is fixedly connected with the first connecting rod 161, the first connecting rod 161 is rotatably arranged on the second net plate 13, and the second gear 17 is meshed with the first gear 18.

The working principle is as follows: opening the end cover 14, putting the collected tennis balls into the drying box 1, after the tennis balls are put, starting the motor 19, rotating the motor 19 to drive the first transmission shaft 105 to rotate, rotating the first transmission shaft 105 to drive the first driving wheel 101 to rotate, rotating the first driving wheel 101 to drive the first driven wheel 102 to rotate, rotating the first driven wheel 102 to drive the rotating rod to rotate, and rotating the rotating rod to drive the ventilation device to rotate; when motor 19 rotated promptly, puddler 151 rotated, stirred the tennis in the stoving case 1 and made tennis can thermally equivalent, ventilation unit rotated, want the interior air escape with drying, wherein can not only dry the moisture on the tennis but also hit the dust that glues on the tennis and beat dust through puddler 151 and scatter at the in-process of stirring, make dust can discharge from first otter board 12 and second otter board 13 along with the air in stoving case 1, can effectually dry the tennis like this, made things convenient for tennis training person to train, indirectly improved the training effect.

Example 2:

since the embodiment 1 only has the drying device, how to take out the dried tennis balls after drying and not to generate the tennis balls, on the basis of the embodiment 1, as shown in fig. 1 to 5, the present invention further includes: the lower end of the drying box 1 is slidably provided with a bottom plate 121, one end of the bottom plate 121 abuts against the inner wall of a drying box body 11 of the drying box 1 provided with a motor 19, the other end of the bottom plate penetrates through a first screen plate 12 and a second screen plate 13 to the outside of the drying box 1, a part of the bottom plate 121 located at a gap between the first screen plate 12 and the second screen plate 13 is provided with a starting switch 123 and a stopping switch 122, the starting switch 123 is arranged on the bottom plate 121, the stopping switch 122 is fixedly arranged on one side wall of the second screen plate 13 close to the first screen plate 12, the bottom end of the drying box 1 located at one end of the motor 19 is provided with a first channel 124, one end of the bottom plate 121 abuts against the inner wall of the drying box 1, the first channel 124 is shielded, one end of the bottom plate 121 located at the first channel 124 is a.

A cavity is formed in the first driven wheel 102, a ratchet wheel 103 and a pawl 104 are arranged in the cavity, the ratchet wheel 103 and the first driven wheel 102 are coaxially arranged, the pawl 104 is hinged to the inner wall of the first driven wheel 102, the pawl 104 is matched with the ratchet wheel 103, and the ratchet wheel 103 is fixedly connected with the rotating rod 15.

A spiral blade 22 and an arc-shaped plate 221 are arranged between the second driving wheel 21 and the motor 19, the spiral blade 22 is fixedly arranged on the first transmission shaft 105, the arc-shaped plate 221 is fixedly arranged on the inner wall of the bottom end of the conveying box 2, the first channel 124 penetrates through the arc-shaped plate 221 to the bottom end of the spiral blade 22, the second channel 211 is formed in the upper end of the spiral blade 22, and the second channel 211 is communicated to the jacking device 3.

The working principle is as follows: the arc-shaped plate 221 installed at the bottom end of the conveying box 2 can completely wrap the whole spiral blade 22, so that the spiral blade 22 and the arc-shaped plate 221 can form a closed space, at this time, after the tennis ball is dried, the bottom plate 121 is drawn outwards, the starting switch 123 collides with the stopping switch 122 along with the drawing of the bottom plate 121, at this time, the motor 19 rotates reversely, and the first channel 124 is not blocked any more, because the first driven wheel 102 is a ratchet mechanism, the rotating rod 15 cannot rotate when the motor 19 rotates reversely, the motor 19 drives the first transmission shaft to rotate, and along with the rotation of the first transmission shaft, the spiral blade 22 fixedly arranged thereon also rotates, and conveys the tennis ball falling down from the first channel 124 to the upper side, and enters the jacking device 3 from the second channel 211, and the jacking device 3 is used for conveying the tennis ball into a device for storing the tennis ball.

Example 3:

because only tennis balls are conveyed in the embodiment 2, but whether tennis balls are intact is not checked, on the basis of the embodiment 2, as shown in fig. 1 to 9, the jacking device 3 comprises a first bracket 34, a second bracket 341, a sleeve 331, a jacking plate 33 and a turntable 322, the first bracket 34 and the second bracket 341 are both fixedly arranged on the inner wall of the bottom end of the conveying box 2, a third transmission shaft 321 is rotatably arranged on the first bracket 34, one end of the third transmission shaft 321 is fixedly connected with a first bevel gear 32, the other end of the third transmission shaft is fixedly connected with the turntable 322, a connecting column 332 is eccentrically arranged on the turntable 322, the connecting column 332 is fixedly connected to the turntable 322, the sleeve 331 is sleeved on the connecting column 332, a second connecting rod 333 is fixedly connected to the sleeve 331 on the sleeve 331, the other end of the second connecting rod 333 is hinged to the lower end of the jacking plate 33, a chute is arranged on the second bracket 341, the sliding block 35 is slidably arranged in the sliding groove, the sliding block 35 is fixedly connected with one side wall of the jacking plate 33, the second transmission shaft 311 is rotatably arranged on the inner wall of the bottom end of the conveying box 2, one end of the second transmission shaft 311 is fixedly connected with a second driven wheel 31, the other end of the second transmission shaft is fixedly connected with a second bevel gear 312, the second driven wheel 31 is meshed with the second driving wheel 21, and the second bevel gear 312 is meshed with the first bevel gear 32.

Fixed alarm device that is provided with on the outer wall of transport case 2 upper end, alarm device includes siren 23, alarm switch 24 and trigger device, siren 23 is fixed to be set up on the box outer wall of transport case 2, alarm switch 24 sets up the lower terminal surface at siren 23, trigger device sets up the below at alarm switch 24, trigger device includes baffle 25 and two steel needles 251, two steel needles 251 set up the lower extreme at baffle 25 respectively, steel needle 251 all link up transport case 2 to transport case 2 inside.

Two guide rails are arranged inside the conveying box 2, the two guide rails are arranged oppositely, the guide rails comprise a first guide rail 26 and a second guide rail 27, the first guide rail 26 is hinged with the second guide rail 27, a stop block 262 is fixedly arranged at the lower end of the second guide rail 27, the stop block 262 is used for limiting the rotation of the first guide rail 26, a spring 261 is arranged on the stop block 262, one end of the spring 261 is fixedly connected to the first guide rail 26, and the other end of the spring 261 is fixedly connected to the stop block 262.

The working principle is as follows: the second driving wheel 21 is engaged with the second driving wheel 31, the second driving wheel 31 drives the second bevel gear 312 to rotate, the second bevel gear 312 is engaged with the first bevel gear 32, the first bevel gear 32 drives the rotating disc 322 to rotate, the rotating disc 322 drives the lifting plate 33 to do up-and-down reciprocating motion when rotating, by adjusting the tooth number ratio between the gears, the jacking device 3 can reach better matching, namely when a tennis ball enters the jacking device 3 from the second channel 211, the lifting plate 33 lifts the tennis ball to be higher, if the tennis ball is intact and is not damaged and expanded due to drying and old wear, the lifting plate 33 pushes the tennis ball to lift the first guide rail 26, and is clamped by the first guide rail 26 when falling to take down from the lifting plate 33, because the first guide rail 26 adopts an inclined design, namely when the tennis ball falls on the first guide rail 26, the tennis ball can freely fall, an opening is arranged at the connecting position of the conveying box and the guide rail, so that the tennis balls can be conveniently conveyed to a tennis ball storage device or a tennis ball serving machine. When the tennis ball is heated to expand or even damaged due to old wear, the spiral blade can convey the tennis ball to the lifting plate 33, when the lifting plate 33 lifts the tennis ball, the tennis ball is damaged and enlarged, when the tennis ball is lifted to the steel needle 251, the tennis ball is collided and pierced by the steel needle 251 and pushes the steel needle 251 to move upwards, the steel needle 251 can push the baffle 25 to lift, the baffle 25 rises and collides with the alarm switch 24, the alarm switch 24 sends a signal to the alarm 23, and the alarm 23 gives an alarm to remind a worker to take out the damaged tennis ball in time so as to avoid more loss, so that the tennis ball can be conveniently conveyed and the damaged tennis ball can be detected, and training accidents, such as ball explosion and the like, caused by damage of the tennis ball by a trainer are prevented.

The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims

1. An intermediate storage device for tennis training is characterized by comprising a drying box (1), a conveying box (2), a first net plate (12) and a second net plate (13);

one side wall of the drying box (1) is designed to be an opening, the first screen plate (12) and the second screen plate (13) are fixedly arranged at the opening of the drying box (1), a gap is formed between the first screen plate (12) and the second screen plate (13), and the drying box (1) is fixedly connected with the conveying box (2);

stoving case (1) is including stoving box (11), end cover (14), handle (141), drying device and breather, setting that end cover (14) can open and shut is in the upper end of stoving box (11), handle (141) are fixed to be set up on end cover (14), stoving case (1) is located fixed motor (19) that is provided with on the outer wall of a lateral wall of transport case (2), the rotatable setting of drying device is in stoving case (1), motor (19) with the drying device drive is connected, drying device with the breather transmission is connected, drying device includes dwang (15), a plurality of puddler (151) and a plurality of heating wire (152), dwang (15) one end is run through stoving case (1) is located box, the other end of one side of motor (19) run through first otter (12) extremely first otter board (12) with second otter board (13) The heating device comprises a rotating rod (15), a first driven wheel (102) is in transmission connection with one end of a motor (19) of the rotating rod (15), a first transmission shaft (105) is arranged on the motor (19) in a transmission mode, a first driving wheel (101) and a second driving wheel (21) are fixedly arranged at two ends of the first transmission shaft (105) respectively, the first driving wheel (101) is meshed with the first driven wheel (102), a first gear (18) is fixedly connected with one end of the rotating rod (15) which is arranged at one end of a first screen plate (12), stirring rods (151) are circumferentially and uniformly arranged on the rotating rod (15), heating wires (152) are fixedly arranged on each stirring rod (151), and the heating wires (152) correspond to the stirring rods (151) in number one to one;

the ventilating device is rotatably arranged on the second screen plate (13) and comprises fan blades (16), a first connecting rod (161) and a second gear (17), the fan blades (16) are fixedly connected with the first connecting rod (161), the first connecting rod (161) is rotatably arranged on the second screen plate (13), and the second gear (17) is meshed with the first gear (18).

2. An intermediate storage device for tennis training as claimed in claim 1, wherein a bottom plate (121) is slidably disposed at a lower end of the drying box (1), one end of the bottom plate (121) abuts against an inner wall of a drying box body (11) of the drying box (1) where the motor (19) is disposed, and the other end of the bottom plate penetrates through the first net plate (12) and the second net plate (13) to the outside of the drying box (1), a start switch (123) and a stop switch (122) are disposed at a portion of the bottom plate (121) located at a gap between the first net plate (12) and the second net plate (13), the start switch (123) is disposed on the bottom plate (121), the stop switch (122) is fixedly disposed on a side wall of the second net plate (13) close to the first net plate (12), and a first channel (124) is opened at one end of the bottom end of the drying box (1) located at the motor (19), when one end of the bottom plate (121) is abutted against the inner wall of the drying box (1), the first channel (124) is shielded, one end of the bottom plate (121) located on the first channel (124) is a lower end, and one end of the bottom plate located on the first screen plate (12) is a higher end.

3. An intermediate storage device for tennis training according to claim 1, wherein a cavity is formed in the first driven wheel (102), a ratchet wheel (103) and a pawl (104) are arranged in the cavity, the ratchet wheel (103) is coaxially arranged with the first driven wheel (102), the pawl (104) is hinged on the inner wall of the first driven wheel (102), the pawl (104) is matched with the ratchet wheel (103), and the ratchet wheel (103) is fixedly connected with the rotating rod (15).

4. An intermediate storage device for tennis training as claimed in claim 1, wherein a helical blade (22) and an arc-shaped plate (221) are disposed between the second driving wheel (21) and the motor (19), the helical blade (22) is fixedly disposed on the first transmission shaft (105), the arc-shaped plate (221) is fixedly disposed on the inner wall of the bottom end of the conveying box (2), the first channel (124) penetrates the arc-shaped plate (221) to the bottom end of the helical blade (22), the upper end of the helical blade (22) is provided with a second channel (211), and the second channel (211) is communicated to the jacking device (3).

5. The intermediate storage device for tennis training as claimed in claim 1, wherein the jacking device (3) comprises a first bracket (34), a second bracket (341), a sleeve (331), a jacking plate (33) and a rotating disc (322), the first bracket (34) and the second bracket (341) are both fixedly arranged on the inner wall of the bottom end of the conveying box (2), a third transmission shaft (321) is rotatably arranged on the first bracket (34), one end of the third transmission shaft (321) is fixedly connected with a first bevel gear (32), the other end of the third transmission shaft is fixedly connected with the rotating disc (322), a connecting column (332) is eccentrically arranged on the rotating disc (322), the connecting column (332) is fixedly connected on the rotating disc (322), the sleeve (331) is sleeved on the connecting column (332), and a second connecting rod (333) is fixedly connected on the sleeve (331), one end of the second connecting rod (333) is fixedly connected with the sleeve (331), the other end of the second connecting rod is hinged to the lower end of the jacking plate (33), a sliding groove is formed in the second support (341), a sliding block (35) is slidably arranged in the sliding groove, the sliding block (35) is fixedly connected with one side wall of the jacking plate (33), a second transmission shaft (311) is rotatably arranged on the inner wall of the bottom end of the conveying box (2), one end of the second transmission shaft (311) is fixedly connected with a second driven wheel (31) and the other end of the second transmission shaft is fixedly connected with a second bevel gear (312), the second driven wheel (31) is meshed with the second driving wheel (21), and the second bevel gear (312) is meshed with the first bevel gear (32).

6. An intermediate storage device for tennis training according to claim 1, wherein an alarm device is fixedly arranged on the outer wall of the upper end of the conveying box (2), the alarm device comprises an alarm (23), an alarm switch (24) and a trigger device, the alarm (23) is fixedly arranged on the outer wall of the box body of the conveying box (2), the alarm switch (24) is arranged on the lower end surface of the alarm (23), the trigger device is arranged below the alarm switch (24), the trigger device comprises a baffle plate (25) and two steel needles (251), two steel needles (251) are respectively arranged on the lower end of the baffle plate (25), and the steel needles (251) penetrate through the conveying box (2) to the interior of the conveying box (2).

7. An intermediate storage device for tennis training according to claim 1, wherein the conveying box (2) is internally provided with two guide rails, the two guide rails are oppositely arranged, the guide rails comprise a first guide rail (26) and a second guide rail (27), the first guide rail (26) and the second guide rail (27) are hinged together, a stop (262) is fixedly arranged at the lower end of the second guide rail (27), the stop (262) is used for limiting the rotation of the first guide rail (26), a spring (261) is arranged on the stop (262), one end of the spring (261) is fixedly connected to the first guide rail (26), and the other end of the spring is fixedly connected to the stop (262).