CN210096858U

CN210096858U - Fixed point shooting exercise field for sports

Info

Publication number: CN210096858U
Application number: CN201920406952.1U
Authority: CN
Inventors: 张建斌
Original assignee: Jiangxi Manufacturing Polytechnic College
Current assignee: Jiangxi Manufacturing Polytechnic College
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2020-02-21
Anticipated expiration: 2029-03-28

Abstract

The utility model relates to a shooting practice court especially relates to a fixed point shooting practice court for sports. The technical problem is as follows: the utility model provides a fixed point shooting practice court for sports that can guarantee basketball shooting efficiency, improve the training effect of shooting, can satisfy the training requirement of basketball shooting. The technical scheme of the utility model is that: a fixed-point shooting practice court for sports comprises a pillar, a support frame, a sector plate, a sector net frame, a connecting frame, a ball outlet pipe, a first hollow pipe, a second hollow pipe, a first rack, a U-shaped frame and the like; the lower part of the supporting column is provided with a supporting frame, the top of the supporting frame is provided with a sector plate, the supporting column penetrates through the sector plate, and the top of the sector plate is provided with a sector net frame. The utility model discloses a hoist mechanism can avoid the sportsman to frequently bow and get the ball, improves sportsman's shooting efficiency, can use the ball pipe to rotate as the axle center through promoting the surge drum moreover to the position of adjustment surge drum, sportsman stand and carry out the shooting training by the surge drum, can guarantee that the sportsman can both accomplish the shooting at each angle, has improved the effect of shooting training.

Description

Fixed point shooting exercise field for sports

Technical Field

The utility model relates to a shooting practice court especially relates to a fixed point shooting practice court for sports.

Background

The shooting postures and methods in basketball sports are various, shooting is an indispensable scoring means in attacking, when people master a certain shooting method to achieve scoring more easily, fixed-point shooting is one of basic shooting postures, a player needs to pick up a shot basketball during fixed-point shooting training at present, efficient training cannot be guaranteed, and part of players use special shooting training equipment, the students frequently shoot at one position, the basketball can be collected into a collecting groove through a specific channel, the player must shoot at the position, the shooting angle and distance cannot be adjusted at will, and the shooting training effect is poor, and the shooting training requirements cannot be met.

Disclosure of Invention

In order to overcome the basketball that needs will throw and pick up, can not guarantee efficient training, the sportsman can't adjust the angle and the distance of shooting at will, has the shooting training effect poor, can't satisfy the shortcoming of shooting training requirement, and the technical problem is: the utility model provides a fixed point shooting practice court for sports that can guarantee basketball shooting efficiency, improve the training effect of shooting, can satisfy the training requirement of basketball shooting.

The technical scheme of the utility model is that: a fixed point shooting practice court for sports comprises a support, a support frame, a sector plate, a sector net frame, a connecting frame, a ball outlet pipe, a first hollow pipe, a second hollow pipe, a first rack, a U-shaped frame, a fixed pulley, a support rod, a first sliding sleeve, a first sliding rod, a first pull wire, a collecting barrel, a universal wheel and a limiting mechanism, wherein the support frame is arranged at the lower part of the support, the sector plate is arranged at the top of the support, the support penetrates through the sector plate, the sector net frame is arranged at the top of the sector plate, the connecting frame is arranged on the right side of the upper part of the support, the ball frame is arranged on the right side of the connecting frame, the ball outlet pipe is connected to the right side of the bottom of the sector plate, the first hollow pipe is matched with the first hollow pipe on the outer side, the first hollow pipe is high and low on the left side, the second hollow pipe is matched with the outer side of the, be equipped with stop gear in the U type frame, stop gear and first rack cooperation, U type frame bottom right side is equipped with the fixed pulley, the outer bottom left and right sides of second hollow tube all is equipped with branch, the branch bottom is equipped with first sliding sleeve, first sliding sleeve inward sliding type is equipped with first slide bar, first slide bar left side is equipped with first acting as go-between, the first other end of acting as go-between passes U type frame bottom and is connected with stop gear, second hollow tube right-hand member is connected with the surge drum, surge drum and second hollow tube intercommunication, the universal wheel is installed to the surge drum bottom.

Furthermore, stop gear is including kelly, horizontal pole and spring, and open second hollow tube left side bottom has the guide hole, the guide hole slidable ground be equipped with first rack complex kelly, the kelly bottom is equipped with the horizontal pole, be connected with the spring between horizontal pole top and the second hollow tube left side outer bottom, the kelly is located the spring, first acting as go-between is connected in the middle of the horizontal pole bottom.

Further, the collecting device comprises a lifting mechanism, the collecting cylinder is provided with the lifting mechanism, the lifting mechanism comprises a first sliding block, a second pull wire, a placing plate, a mounting frame, a wire winding disc, a first belt pulley, a mounting seat, a gear, a second belt pulley, a flat belt, a second sliding rod, a second sliding sleeve, a second rack and a pedal, the right side wall of the collecting cylinder is provided with a first sliding groove, the first sliding groove is internally provided with the first sliding block in a sliding manner, the left side of the first sliding block is provided with the placing plate, the upper part of the outer wall of the right side of the collecting cylinder is provided with the mounting frame, the left side of the bottom of the mounting frame is provided with a first through hole, the wire winding disc is rotatably arranged in the mounting frame, the second pull wire is wound on the wire winding disc, the other end of the second pull wire penetrates through hole to be connected with the first sliding block, the first belt pulley is arranged at the circle center position of the front side of, the center of a circle on the front side of the gear is provided with a second belt pulley, a flat belt is arranged between the first belt pulley and the second belt pulley, the ratio of the circumference of the gear to the circumference between the wire reels is 1: 4.5, the lower part of the outer wall of the right side of the collecting cylinder is provided with a second sliding rod, the second sliding rod is provided with a second sliding sleeve in a sliding mode, the left side of the second sliding sleeve is provided with a second rack, the second rack is meshed with the gear, and the lower part of the right side of the second sliding sleeve is provided with a pedal.

Further, the collecting cylinder is characterized by further comprising a second sliding block, a baffle, a connecting rod and an elastic rope, wherein a second sliding groove is formed in the lower portion of the left side of the collecting cylinder, a second sliding block is arranged in the second sliding groove in a sliding mode, a second through hole is formed in the lower portion of the right side of the second hollow pipe, the baffle is arranged on the right side of the second sliding block and penetrates through the second through hole, the connecting rod is arranged on the left side of the second sliding block, and the elastic rope is connected between the connecting.

The beneficial effects are that: the utility model discloses a hoist mechanism can avoid the sportsman to frequently bow and get the ball, improve sportsman's shooting efficiency, and can use the ball pipe to rotate as the axle center through promoting the surge drum, thereby the position of adjustment surge drum, the sportsman stands at the other shooting training of surge drum, can guarantee that the sportsman can both accomplish the shooting at each angle, the effect of shooting training is improved, and through the distance of stirring second hollow tube and first hollow tube, can adjust the distance between surge drum and the ball frame, thereby guarantee that the sportsman can both remove the surge drum to other sportsman's body under the condition of different distances, so the sportsman does not need frequently to run to the surge drum other and gets the ball, further improve the efficiency of shooting training.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic view of the structure of the present invention.

Fig. 3 is an enlarged view of a portion a of the present invention.

Fig. 4 is an enlarged view of the portion B of the present invention.

Part names and serial numbers in the figure: 1 ground, 2 pillars, 3 supporting frames, 4 sector plates, 5 sector net frames, 6 connecting frames, 7 ball frames, 8 ball outlet pipes, 9 first hollow pipes, 10 second hollow pipes, 11 grooves, 12 first racks, 13 guide holes, 14 clamping rods, 15 cross rods, 16 springs, 17U-shaped frames, 18 fixed pulleys, 19 supporting rods, 20 first sliding sleeves, 21 first sliding rods, 22 first pull wires, 23 collecting cylinders, 24 universal wheels, 251 first sliding grooves, 25 first sliding blocks, 26 second pull wires, 27 placing plates 271, basketballs, 28 mounting frames, 29 winding disks, 30 first belt pulleys, 31 first through holes, 32 mounting seats, 33 gears, 34 second belt pulleys, 341 flat belts, 35 second sliding rods, 36 second sliding sleeves, 37 second racks, 38 pedals, 39 second sliding grooves, 40 second sliding blocks, 41 baffle plates, 42 second through holes, 43 connecting rods and 44 elastic ropes.

Detailed Description

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Example 1

A fixed-point shooting practice court for sports is shown in figures 1-4 and comprises a support column 2, a support frame 3, a sector plate 4, a sector net frame 5, a connecting frame 6, a ball frame 7, a ball outlet pipe 8, a first hollow pipe 9, a second hollow pipe 10, a first rack 12, a U-shaped frame 17, a fixed pulley 18, a support rod 19, a first sliding sleeve 20, a first sliding rod 21, a first pull wire 22, a collecting cylinder 23, a universal wheel 24 and a limiting mechanism, wherein the support frame 3 is arranged at the lower part of the support column 2, the support column 2 is connected with the support frame 3 in a welding connection mode, the sector plate 4 is arranged at the top of the support frame 3, the support column 2 penetrates through the sector plate 4, the sector net frame 5 is arranged at the top of the sector plate 4, the connecting frame 6 is arranged at the right side of the upper part of the support column 2, the ball frame 7 is arranged at the right side of the connecting frame 6, the ball outlet pipe 8 is connected at the right side of the, the outer side of the first hollow pipe 9 is matched with a second hollow pipe 10, the bottom of the outer wall of the first hollow pipe 9 is provided with a groove 11, the top in the groove 11 is provided with a first rack 12, the outer bottom of the left side of the second hollow pipe 10 is provided with a U-shaped frame 17, the second hollow pipe 10 is connected with the U-shaped frame 17 in a welding connection mode, the U-shaped frame 17 is internally provided with a limiting mechanism, the limiting mechanism is matched with the first rack 12, the right side of the bottom of the U-shaped frame 17 is provided with a fixed pulley 18, the left side and the right side of the outer bottom of the second hollow pipe 10 are respectively provided with a support rod 19, the bottom of the support rod 19 is provided with a first sliding sleeve 20, the support rod 19 is connected with the first sliding sleeve 20 in a welding connection mode, the first sliding sleeve 20 is internally provided with a first sliding rod 21 in a sliding mode, the left side of the first sliding rod 21 is provided with a first pull wire 22, the, the bottom of the collecting cylinder 23 is provided with a universal wheel 24.

Example 2

A fixed point shooting practice court for sports is shown in figures 1-4 and comprises a support column 2, a support frame 3, a sector plate 4, a sector net frame 5, a connecting frame 6, a ball frame 7, a ball outlet pipe 8, a first hollow pipe 9, a second hollow pipe 10, a first rack 12, a U-shaped frame 17, a fixed pulley 18, a support rod 19, a first sliding sleeve 20, a first sliding rod 21, a first pull wire 22, a collecting cylinder 23, a universal wheel 24 and a limiting mechanism, wherein the support frame 3 is arranged at the lower part of the support column 2, the sector plate 4 is arranged at the top of the support frame 3, the support column 2 penetrates through the sector plate 4, the sector net frame 5 is arranged at the top of the sector plate 4, the connecting frame 6 is arranged at the right side of the upper part of the support column 2, the ball frame 7 is arranged at the right side of the bottom of the sector plate 4, the ball outlet pipe 8 is matched with the first hollow pipe 9, the first hollow pipe 9 is high and low in, the bottom of the outer wall of the first hollow pipe 9 is provided with a groove 11, the top of the groove 11 is provided with a first rack 12, the outer bottom of the left side of the second hollow pipe 10 is provided with a U-shaped frame 17, a limiting mechanism is arranged in the U-shaped frame 17, the limiting mechanism is matched with the first rack 12, the right side of the bottom of the U-shaped frame 17 is provided with a fixed pulley 18, the left side and the right side of the outer bottom of the second hollow pipe 10 are provided with supporting rods 19, the bottom of each supporting rod 19 is provided with a first sliding sleeve 20, the first sliding sleeve 20 is internally provided with a first sliding rod 21 in a sliding mode, the left side of the first sliding rod 21 is provided with a first pull wire 22, the other end of the first pull wire 22 penetrates through the bottom of the U-shaped frame 17 to be connected with the limiting mechanism.

The limiting mechanism comprises a clamping rod 14, a cross rod 15 and a spring 16, a guide hole 13 is formed in the bottom of the left side of the second hollow tube 10, the clamping rod 14 matched with the first rack 12 is arranged in the guide hole 13 in a sliding mode, the cross rod 15 is arranged at the bottom of the clamping rod 14, the clamping rod 14 is connected with the cross rod 15 in a welding connection mode, the spring 16 is connected between the top of the cross rod 15 and the outer bottom of the left side of the second hollow tube 10, the clamping rod 14 is located in the spring 16, and the first stay wire 22 is connected to the middle of the bottom of the.

Example 3

The limiting mechanism comprises a clamping rod 14, a cross rod 15 and a spring 16, a guide hole 13 is formed in the bottom of the left side of the second hollow tube 10, the clamping rod 14 matched with the first rack 12 is arranged in the guide hole 13 in a sliding mode, the cross rod 15 is arranged at the bottom of the clamping rod 14, the spring 16 is connected between the top of the cross rod 15 and the outer bottom of the left side of the second hollow tube 10, the clamping rod 14 is located in the spring 16, and the first pull wire 22 is connected to the middle of the bottom of the cross rod 15.

The collecting device also comprises a lifting mechanism, the collecting cylinder 23 is provided with the lifting mechanism, the lifting mechanism comprises a first sliding block 25, a second stay wire 26, a placing plate 27, a mounting frame 28, a wire spool 29, a first belt pulley 30, a mounting seat 32, a gear 33, a second belt pulley 34, a flat belt 341, a second sliding rod 35, a second sliding sleeve 36, a second rack 37 and a pedal 38, the right side wall of the collecting cylinder 23 is provided with a first sliding groove 251, the first sliding block 25 is arranged in the first sliding groove 251 in a sliding manner, the placing plate 27 is arranged on the left side of the first sliding block 25, the first sliding block 25 is connected with the placing plate 27 in a welding connection manner, the mounting frame 28 is arranged on the upper part of the outer wall of the right side of the collecting cylinder 23, the left side of the bottom of the mounting frame 28 is provided with a first through hole 31, the wire spool 29 is rotatably arranged in the mounting frame 28, the second stay wire 26 is wound on the wire spool 29, the other end, the center of a circle on the front side of the wire reel 29 is provided with a first belt pulley 30, the lower part of the outer wall of the right side of the collecting cylinder 23 is provided with a mounting seat 32, the collecting cylinder 23 is connected with the mounting seat 32 through a welding connection mode, the center of a circle on the front side of the mounting seat 32 is rotatably provided with a gear 33, the center of a circle on the front side of the gear 33 is provided with a second belt pulley 34, a flat belt 341 is arranged between the first belt pulley 30 and the second belt pulley 34, the ratio of the circumference of the gear 33 to the circumference between the wire reels 29 is 1: 4.5, the lower part of the outer wall of the right side of the collecting cylinder 23 is provided with a second sliding rod 35, the second sliding rod 35 is slidably provided with a second sliding sleeve 36, the left side of the second sliding sleeve 36 is provided with a second rack 37, the second sliding sleeve 36 is connected with the second rack 37 through a welding connection mode.

Example 4

The collecting device also comprises a lifting mechanism, the collecting cylinder 23 is provided with the lifting mechanism, the lifting mechanism comprises a first sliding block 25, a second stay wire 26, a placing plate 27, a mounting frame 28, a wire reel 29, a first belt pulley 30, a mounting seat 32, a gear 33, a second belt pulley 34, a flat belt 341, a second sliding rod 35, a second sliding sleeve 36, a second rack 37 and a pedal 38, the right side wall of the collecting cylinder 23 is provided with a first sliding groove 251, the first sliding groove 251 is internally provided with the first sliding block 25 in a sliding manner, the left side of the first sliding block 25 is provided with the placing plate 27, the upper part of the right side outer wall of the collecting cylinder 23 is provided with the mounting frame 28, the left side of the bottom of the mounting frame 28 is provided with a first through hole 31, the wire reel 29 is rotatably arranged on the mounting frame 28, the second stay wire 26 is wound on the wire reel 29, the other end of the second stay wire 26 passes through the first through hole 31 to be connected with the first sliding block 25, the center of the front, a gear 33 is rotatably arranged at the center of the front side of the mounting seat 32, a second belt pulley 34 is arranged at the center of the front side of the gear 33, a flat belt 341 is arranged between the first belt pulley 30 and the second belt pulley 34, the ratio of the circumference of the gear 33 to the circumference of the wire spool 29 is 1: 4.5, a second sliding rod 35 is arranged at the lower part of the outer wall of the right side of the collecting cylinder 23, a second sliding sleeve 36 is arranged on the second sliding rod 35 in a sliding manner, a second rack 37 is arranged at the left side of the second sliding sleeve 36, the second rack 37 is meshed with the gear 33, and a pedal 38 is arranged at the lower part of the right side of the second sliding sleeve.

Still including second slider 40, baffle 41, connecting rod 43 and elastic cord 44, collecting cylinder 23 left side lower part is opened there is second spout 39, second spout 39 internal sliding type is equipped with second slider 40, second hollow tube 10 right side lower part is opened has second through-hole 42, second slider 40 right side is equipped with baffle 41, second slider 40 is connected with baffle 41 through welded connection's mode, baffle 41 passes second through-hole 42, second slider 40 left side is equipped with connecting rod 43, second slider 40 is connected with connecting rod 43 through welded connection's mode, connecting rod 43 with place and be connected with elastic cord 44 between the board 27 left side.

When a player needs to use the equipment to carry out fixed-point shooting training of a basketball 271, the player pulls the first slide bar 21 rightwards, the first slide bar 21 moves rightwards to open the limiting mechanism through the first pull line 22, then the second hollow tube 10 can be pulled leftwards and rightwards to adjust the fixed-point shooting position, the first slide bar 21 is loosened after the adjustment is finished, the limiting mechanism fixes the second hollow tube 10 on the outer side of the first hollow tube 9, the player can carry out shooting training at the moment, the basketball 271 falls into the fan-shaped net frame 5 through the ball frame 7, then the ball falls into the first hollow tube 9 through the ball outlet tube 8, then the first hollow tube 9 and the second hollow tube 10 roll into the collecting cylinder 23, then the player takes out the basketball 271 from the collecting cylinder 23, so that the player can carry out shooting training repeatedly, when the fixed-point shooting position needs to be moved, the collecting cylinder 23 can be pushed, the universal wheel 24 at the bottom of the collecting cylinder 23 rolls on the ground, first hollow tube 9 uses ball outlet pipe 8 to rotate as the axle center to adjust the position of surge drum 23, the sportsman stands and carries out the shooting training near surge drum 23, so makes things convenient for the sportsman to carry out the shooting training under each angle, improves the training effect.

When a player pulls the first sliding rod 21, the cross rod 15 is driven to move downwards through the first pull wire 22, the cross rod 15 moves downwards with the clamping rod 14, the spring 16 is stretched, the clamping rod 14 moves downwards without being in contact with the first rack 12, and the player can move the position of the second hollow tube 10 leftwards and rightwards. After the first sliding rod 21 is released, the first sliding rod 21 is driven to reset to the left through the first pull wire 22 under the action of the spring 16, and the clamping rod 14 is driven to move upwards to be clamped into the first rack 12, so that the first hollow pipe 9 and the second hollow pipe 10 can be fixed.

When the player shoots at a fixed point, the basketball 271 falls on the placing plate 27 in the collecting cylinder 23 through the second hollow tube 10, then the player steps on the pedal 38 with his foot downward, the pedal 38 moves downward to drive the second sliding sleeve 36 to slide downward on the second sliding rod 35, the second sliding sleeve 36 drives the gear 33 to rotate clockwise through the second rack 37, the second pulley 34 rotates clockwise therewith, the second pulley 34 rotates clockwise to drive the first pulley 30 to rotate clockwise through the flat belt 341, the spool 29 rotates clockwise to wind up the second string 26, the second string 26 drives the first slider 25 to move upward, the placing plate 27 and the basketball 271 falling on the placing plate 27 move upward, the player takes the foot off the pedal 38 after taking the basketball 271, the first slider 25 moves downward due to the self gravity of the placing plate 27, the first slider 25 moves downward to drive the second string 26 to rotate counterclockwise to pay out the second string 26 through the second string 26, the second runner 36 and the pedal 38 are returned upwardly, and the player can lift the basketball 271 resting on the resting board 27 to the top of the collection canister 23 with a short stroke of depressing the pedal 38 because the ratio of the circumference of the gear 33 to the circumference of the wire spool 29 is 1 to 4.5. Therefore, the player does not need to bend down to take the ball, and the shooting efficiency of the player is improved.

When the placing plate 27 moves upwards, the elastic rope 44 drives the second sliding block 40 to move upwards, the second sliding block 40 moves upwards to drive the baffle plate 41 to move upwards, when the baffle plate 41 moves upwards to contact with the top in the second hollow tube 10, the baffle plate 41 cannot move upwards continuously, the placing plate 27 moves upwards continuously, and the elastic rope 44 is stretched, so that the basketball 271 can be prevented from falling to the bottom in the collecting cylinder 23 when the placing plate 27 moves upwards. When the pedal 38 is released, the return speed of the placing plate 27 and the pedal 38 can be increased by the elastic cord 44.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A fixed-point shooting practice court for sports comprises a support (2), a support frame (3), a sector plate (4), a sector net frame (5), a connecting frame (6), a ball frame (7), a ball outlet pipe (8), a first hollow pipe (9) and a second hollow pipe (10), wherein the support frame (3) is arranged on the lower portion of the support frame (2), the sector plate (4) is arranged on the top of the support frame (3), the support (2) penetrates through the sector plate (4), the sector net frame (5) is arranged on the top of the sector plate (4), the connecting frame (6) is arranged on the right side of the upper portion of the support frame (2), the ball frame (7) is arranged on the right side of the connecting frame (6), the ball outlet pipe (8) is connected on the right side of the bottom of the sector plate (4), the first hollow pipe (9) is matched on the outer side of the ball outlet pipe (8), the first hollow pipe (9) is high and, it is characterized by also comprising a first rack (12), a U-shaped frame (17), a fixed pulley (18), a support rod (19), a first sliding sleeve (20), a first sliding rod (21), a first pull wire (22), a collecting cylinder (23), a universal wheel (24) and a limiting mechanism, wherein the bottom of the outer wall of the first hollow tube (9) is provided with a groove (11), the top in the groove (11) is provided with the first rack (12), the bottom outside the left side of the second hollow tube (10) is provided with the U-shaped frame (17), the limiting mechanism is arranged in the U-shaped frame (17), the limiting mechanism is matched with the first rack (12), the right side of the bottom of the U-shaped frame (17) is provided with the fixed pulley (18), the left side and the right side of the bottom outside the second hollow tube (10) are provided with the support rod (19), the bottom of the support rod (19) is provided with the first sliding sleeve (20), the first sliding rod (21) is arranged in the first sliding sleeve (20), the other end of the first pull wire (22) penetrates through the bottom of the U-shaped frame (17) to be connected with the limiting mechanism, the right end of the second hollow pipe (10) is connected with a collecting cylinder (23), the collecting cylinder (23) is communicated with the second hollow pipe (10), and the bottom of the collecting cylinder (23) is provided with a universal wheel (24).

2. The fixed-point basketball shooting practice court for sports according to claim 1, wherein the limiting mechanism comprises a clamping rod (14), a cross rod (15) and a spring (16), a guide hole (13) is formed in the bottom of the left side of the second hollow pipe (10), the clamping rod (14) matched with the first rack (12) is arranged in the guide hole (13) in a sliding mode, the cross rod (15) is arranged at the bottom of the clamping rod (14), the spring (16) is connected between the top of the cross rod (15) and the outer bottom of the left side of the second hollow pipe (10), the clamping rod (14) is located in the spring (16), and the first pull wire (22) is connected to the middle of the bottom of the cross rod (15).

3. The fixed point basketball shooting practice court for sports according to claim 2, characterized in that the basketball shooting practice court further comprises a lifting mechanism, the collecting cylinder (23) is provided with the lifting mechanism, the lifting mechanism comprises a first sliding block (25), a second pull wire (26), a placing plate (27), a mounting frame (28), a wire reel (29), a first belt pulley (30), a mounting seat (32), a gear (33), a second belt pulley (34), a flat belt (341), a second sliding rod (35), a second sliding sleeve (36), a second rack (37) and a pedal (38), the right side wall of the collecting cylinder (23) is provided with a first sliding chute (251), the first sliding chute (251) is internally provided with the first sliding block (25) in a sliding manner, the left side of the first sliding block (25) is provided with the placing plate (27), the upper portion of the right outer wall of the collecting cylinder (23) is provided with the mounting frame (28), the left side of the bottom of the mounting frame (28) is provided with a first through, a wire spool (29) is arranged in the mounting frame (28) in a rotating mode, a second pull wire (26) is wound on the wire spool (29), the other end of the second pull wire (26) penetrates through a first through hole (31) to be connected with a first sliding block (25), a first belt pulley (30) is arranged at the circle center position of the front side of the wire spool (29), a mounting seat (32) is arranged at the lower portion of the outer wall of the right side of the collecting cylinder (23), a gear (33) is rotatably arranged at the circle center position of the front side of the mounting seat (32), a second belt pulley (34) is arranged at the circle center position of the front side of the gear (33), a flat belt (341) is arranged between the first belt pulley (30) and the second belt pulley (34), the ratio of the circumference length of the gear (33) to the circumference length between the wire spool (29) is 1: 4.5, a second sliding rod (35) is arranged at the lower portion of the outer wall of the right side of the collecting cylinder (23), a second sliding sleeve (35) is slidably arranged, the second rack (37) is meshed with the gear (33), and the lower part of the right side of the second sliding sleeve (36) is provided with a pedal (38).

4. The fixed-point basketball shooting practice court for sports according to claim 3, further comprising a second sliding block (40), a baffle (41), a connecting rod (43) and an elastic rope (44), wherein a second sliding groove (39) is formed in the lower portion of the left side of the collecting cylinder (23), the second sliding groove (39) is internally provided with the second sliding block (40) in a sliding manner, a second through hole (42) is formed in the lower portion of the right side of the second hollow pipe (10), the baffle (41) is arranged on the right side of the second sliding block (40), the baffle (41) penetrates through the second through hole (42), the connecting rod (43) is arranged on the left side of the second sliding block (40), and the elastic rope (44) is connected between the connecting rod (43) and the left side of the placing plate (.