CN108744462B

CN108744462B - Football training device

Info

Publication number: CN108744462B
Application number: CN201810741109.9A
Authority: CN
Inventors: 孙大利; 武朋; 其他发明人请求不公开姓名
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2017-01-11
Filing date: 2017-01-11
Publication date: 2020-06-09
Anticipated expiration: 2037-01-11
Also published as: CN108854007B; CN108744462A; CN108854007A; CN106492434A; CN106492434B

Abstract

The invention relates to a training device, in particular to a football training device. The technical problem to be solved by the invention is to provide a football training device which is novel, can adjust the shooting training difficulty of a player, can enhance the training effect, can improve the training quality and can accelerate the professional level of the player. In order to solve the technical problem, the invention provides a football training device, which comprises a rear side plate, a first slide rail, a first slide block, a second slide rail, a second slide block, a first support rod and the like; the upper portion and the lower portion of the left side of the front side face of the rear side plate are both horizontally connected with a first sliding rail in a welding connection mode, a first sliding block in sliding fit with the first sliding rail is arranged on the first sliding rail, and the front side face of the first sliding block is horizontally connected with a second sliding rail in a bolt connection mode. The invention achieves novelty, can adjust the shooting training difficulty of the player, can enhance the training effect and can improve the training quality.

Description

Football training device

Technical Field

The invention relates to a training device, in particular to a football training device.

Background

Football, which has the reputation of "world first sport", is the single sport with the most influential effect in the world sports world. The standard football match consists of two teams each having 10 players and 1 goalkeeper, 11 players in total, confrontating and attacking on a rectangular grassland court. The goal of the game is to shoot the football into the goal of the other side as much as possible, one score can be obtained when one ball is shot, and after the game is finished, the team with the largest score wins. If the scores are the same within the specified time of the match, the match is required to be watched, and the scores can be drawn, played again with time or played in a mutual shooting spot ball (twelve steps) mode. In the football game, except that a goalkeeper can contact the football by hands in a forbidden area of the house, each player on the football field can only control the football by other parts of the body except the hands.

In the modern times, science and technology are gradually being integrated into the sport of soccer. The modern football tends to be stronger and faster in pace. This also requires that the physical condition of the soccer players be better, that the response be faster, and that the technique be better. The development requirements of the modern football are difficult to meet by only relying on the traditional training method and the training equipment. This just requires science and technology to exert bigger effect in sportsman's daily training, do not have the novelty in traditional sportsman's training of shooting, the difficulty is unanimous basically, do not change, so can influence the training effect, can influence the quality of training, thereby can slow down sportsman's professional level's promotion rate, consequently need urgently to research and develop one kind and have the novelty, can adjust sportsman's shooting training degree of difficulty, can strengthen the training effect, can promote the quality of training, can accelerate sportsman's professional level's promotion rate's football training device.

Disclosure of Invention

(1) Technical problem to be solved

The invention aims to overcome the defects that the traditional goal shooting training of a player is not novel, the difficulty is basically consistent, no change exists, the training effect is influenced, the training quality is influenced, and the professional-level lifting speed of the player is reduced.

(2) Technical scheme

In order to solve the technical problems, the invention provides a football training device which comprises a rear side plate, a first slide rail, a first slide block, a second slide rail, a second slide block, a first support rod, a second support rod, a third support rod and a blocking net, wherein the upper part and the lower part of the left side of the front side surface of the rear side plate are horizontally connected with the first slide rail in a welding connection mode, the first slide rail is provided with the first slide block matched with the first slide rail in a sliding mode, the front side surface of the first slide block is horizontally connected with the second slide rail in a bolt connection mode, the upper part and the lower part of the right side of the front side surface of the rear side plate are also horizontally connected with the second slide rail in a bolt connection mode, the second slide rail is provided with the second slide block matched with the second slide rail in a sliding mode, the bottom end of the second slide block at the upper part of the left side is vertically connected with a first support rod in, the bottom of right side upper portion second slider and the top of right side lower part second slider all are connected with third branch through bolted connection's mode is vertical, are connected with the block between the first branch in left side and second branch and two third branches on the right side.

Preferably, the device further comprises a first motor, a bearing seat, a rotating shaft and a winding drum, wherein the bearing seat is installed at the top end of the first supporting rod in a bolt connection mode, the first motor is installed at the bottom end of the second supporting rod in a bolt connection mode, the rotating shaft is connected with an output shaft of the first motor through a coupling, the rotating shaft is connected with a bearing of the bearing seat in an interference connection mode, the winding drum is arranged on the periphery of the rotating shaft, one end of the blocking net is connected with the two third supporting rods, and the other end of the blocking net can be wound on the winding drum.

Preferably, still including electronic reel, the stay cord, spring and switch, electronic reel is all installed through bolted connection's mode in the left surface middle part of right side second slide rail, it has the stay cord to wind on the electronic reel, the one end of stay cord is around on electronic reel, the other end of stay cord is connected with the right flank middle part of first slider, the leading flank of two first sliders all has the spring through welded connection's mode horizontally connect, welded connection's mode horizontally connect is also passed through to the upper and lower both sides on trailing flank leading flank right side, the spring is located the second slider directly behind, the right-hand switch that is provided with of spring, the switch passes through the mode of screw and is connected with first slider and trailing flank, there is line connection between switch and the electronic reel, also there is line connection between switch and the first motor.

Preferably, still including the sliding sleeve, the slide bar, wheel and T shape screw rod, the left and right sides of posterior lateral plate bottom all is connected with the sliding sleeve through bolted connection's mode is vertical, is equipped with the slide bar in the sliding sleeve, and the bottom rotary type of slide bar is connected with the wheel, and threaded hole is all opened to the left surface lower part of left side sliding sleeve and the right side lower part of right side sliding sleeve, and threaded hole is equipped with rather than complex T shape screw rod.

Preferably, the rear side plate between the two sliding sleeves is provided with the air cylinder at the bottom in a bolt connection mode, and the telescopic rod of the air cylinder is vertically connected with the conical inserted rod in a bolt connection mode.

Preferably, the material of the barrier net is nylon.

Preferably, the pull cord is a steel cord.

Preferably, the first motor is a servo motor.

The working principle is as follows: the invention is placed on the ground. When a player shoots a football into the blocking net in the shooting training, the blocking net moves backwards on the second slide rail through the second slide block, when the blocking net stops moving backwards, the second slide block is manually moved forwards on the second slide rail to reset, and the second slide block moves forwards to reset the blocking net and then moves forwards to reset. Then, the second sliding rail on the left side is manually moved rightwards on the first sliding rail through the first sliding block, so that the length of the blocking net is reduced, and the difficulty of shooting can be increased. The above operations are repeated, and the difficulty of shooting can be increased continuously. Therefore, the length of the blocking net can be adjusted, the shooting difficulty can be adjusted, and the novel fire-fighting blocking net has novelty. Therefore, the invention has novelty, can adjust the shooting training difficulty of the player, enhance the training effect, improve the training quality and accelerate the professional level improvement speed of the player.

Because still including first motor, the bearing frame, pivot and reel, the bearing frame is installed through bolted connection's mode in the top of first branch, and first motor is installed through bolted connection's mode in the bottom of second branch, and the output shaft of first motor has the pivot through the coupling joint, and the pivot is connected with the bearing of bearing frame through the mode of interference connection, and the periphery of pivot is equipped with the reel, and the one end of blocking net is connected with two third branches, and the other end of blocking net can also be rolled up on the reel. When the second slide rail moves rightwards on the first slide rail through the first slide block to reduce the length of the barrier net, the first motor is started to enable the rotating shaft to rotate clockwise, the rotating shaft rotates clockwise, the winding drum rotates clockwise, and the winding drum rotates clockwise to wind up the barrier net to straighten the barrier net.

Because still including electronic reel, the stay cord, spring and switch, electronic reel is all installed through bolted connection's mode in the left surface middle part of right side second slide rail, around there being the stay cord on the electronic reel, the one end of stay cord is around on electronic reel, the other end of stay cord is connected with the right flank middle part of first slider, the leading flank of two first sliders all has the spring through welded connection's mode horizontally connect, welded connection's mode horizontally connect is also passed through to the upper and lower both sides on posterior lateral plate leading flank right side, the spring is located the second slider directly behind, the right-hand switch that is provided with of spring, the switch passes through the mode of screw and is connected with first slider and posterior lateral plate, be connected with the line between switch and the electronic reel, also be connected with the line between switch and the first motor. When the second sliding block moves the extrusion switch backwards on the second sliding rail, the electric reel can be started to rotate clockwise to withdraw the pull rope, so that the second sliding rail on the left side moves rightwards on the first sliding rail through the first sliding block, and the length of the blocking net is reduced. The switch can also start first motor and make the pivot clockwise turning roll up the barrier net and make the barrier net be straight when starting electronic reel, and the spring compression when the second slider backward movement extrusion switch, the spring stretches when the second slider stops backward movement, and the spring stretches and makes the second slider move forward and reset, and the second slider moves forward and resets and unclamps the switch, and electronic reel and first motor are closed thereupon, so can labour saving and time saving.

Because still including the sliding sleeve, the slide bar, wheel and T shape screw rod, the left and right sides of posterior lateral plate bottom all is equipped with the sliding sleeve through the vertical sliding sleeve that is connected with of bolted connection's mode, is equipped with the slide bar in the sliding sleeve, and being connected with of the bottom rotary type of slide bar has the wheel, and threaded hole is all opened to the left surface lower part of left side sliding sleeve and the right side lower part of right side sliding sleeve, and threaded hole is equipped with rather than complex T shape screw rod. The wheels can be conveniently and quickly moved, so that the invention has wide application range. The T-shaped screw rod is unscrewed to enable the slide rod to move up and down, the height of the slide rod and the height of the rear side plate can be adjusted, so that the height of the blocking net can be adjusted, the difficulty of shooting can be further increased, and after the height adjustment of the slide rod and the height of the rear side plate is completed, the T-shaped screw rod is screwed down to fix the slide rod in the sliding sleeve.

Because still including cylinder and toper inserted bar, the cylinder is installed through bolted connection's mode in the posterior lateral plate bottom between two sliding sleeves, is connected with toper inserted bar through bolted connection's mode is vertical on the telescopic link of cylinder. The telescopic rod of the starting cylinder extends to push the conical insertion rod to move downwards to insert the conical insertion rod into the ground, so that the ball shooter can be prevented from moving when shooting a ball. When the invention needs to be moved, the telescopic rod of the starting cylinder is shortened and reset, the telescopic rod of the cylinder is shortened and reset to pull out the conical insertion rod from the ground, and then the invention is moved.

Because the manufacturing material of the barrier net is nylon material, the nylon has good toughness, small friction coefficient and wear resistance.

Because the pull rope is a steel wire rope, the steel wire rope has high strength, light dead weight, stable work, difficult sudden whole breakage and safe and reliable use.

Because first motor is servo motor, servo motor can its rotational speed of more accurate control, makes the operation more steady.

(3) Advantageous effects

The football training device has novelty, can adjust the shooting training difficulty of the player, can enhance the training effect, can improve the training quality, and can accelerate the professional-level promotion speed of the player.

Drawings

Fig. 1 is a first front view structure diagram of the present invention.

Fig. 2 is a left side view structural diagram of the present invention.

Fig. 3 is a first bottom view of the present invention.

Fig. 4 is a second front view structure diagram of the present invention.

Fig. 5 is a schematic bottom view of the present invention.

Fig. 6 is a third schematic view of the present invention.

Fig. 7 is a schematic diagram of a fourth front view structure according to the present invention.

The labels in the figures are: 1-rear side plate, 2-first slide rail, 3-first slide block, 4-second slide rail, 5-second slide block, 6-first supporting rod, 7-second supporting rod, 8-third supporting rod, 9-blocking net, 10-first motor, 11-bearing seat, 12-rotating shaft, 13-winding drum, 14-electric winding wheel, 15-pulling rope, 16-spring, 17-switch, 18-sliding sleeve, 19-sliding rod, 20-wheel, 21-threaded hole, 22-T-shaped screw rod, 23-air cylinder and 24-conical inserted rod.

Detailed Description

The invention is further described below with reference to the figures and examples.

Example 1

A football training device is shown in figures 1-3, and comprises a rear side plate 1, a first slide rail 2, a first slide block 3, a second slide rail 4, a second slide block 5, a first support rod 6, a second support rod 7, a third support rod 8 and a blocking net 9, wherein the upper part and the lower part of the left side of the front side surface of the rear side plate 1 are horizontally connected with the first slide rail 2 in a welding connection mode, the first slide rail 2 is provided with the first slide block 3 in sliding fit with the first slide rail, the front side surface of the first slide block 3 is horizontally connected with the second slide rail 4 in a bolt connection mode, the upper part and the lower part of the right side of the front side surface of the rear side plate 1 are also horizontally connected with the second slide rail 4 in a bolt connection mode, the second slide block 5 in sliding fit with the second slide rail 4 is provided with the bottom end of the upper part of the left side part 5 in a bolt connection mode, the top end of the second slide block 5 of the lower part of the left side part, the bottom of right side upper portion second slider 5 and the top of right side lower part second slider 5 all are connected with third branch 8 through bolted connection's mode is vertical, is connected with block 9 between the first branch in left side 6 and second branch 7 and the two third branch 8 four on right side.

Example 2

A football training device is shown in figure 4, and comprises a rear side plate 1, a first slide rail 2, a first slide block 3, a second slide rail 4, a second slide block 5, a first support rod 6, a second support rod 7, a third support rod 8 and a blocking net 9, wherein the upper part and the lower part of the left side of the front side surface of the rear side plate 1 are horizontally connected with the first slide rail 2 in a welding connection mode, the first slide rail 2 is provided with the first slide block 3 in sliding fit with the first slide rail, the front side surface of the first slide block 3 is horizontally connected with the second slide rail 4 in a bolt connection mode, the upper part and the lower part of the right side of the front side surface of the rear side plate 1 are also horizontally connected with the second slide rail 4 in a bolt connection mode, the second slide block 5 in sliding fit with the second slide rail 4 is arranged on the second slide rail 4, the bottom end of the second slide block 5 on the upper part of the left side is vertically connected with the first support rod 6 in a bolt connection mode, the bottom of right side upper portion second slider 5 and the top of right side lower part second slider 5 all are connected with third branch 8 through bolted connection's mode is vertical, is connected with block 9 between the first branch in left side 6 and second branch 7 and the two third branch 8 four on right side.

Still including first motor 10, bearing frame 11, pivot 12 and reel 13, bearing frame 11 is installed through bolted connection's mode in the top of first branch 6, first motor 10 is installed through bolted connection's mode in the bottom of second branch 7, the output shaft of first motor 10 has pivot 12 through the coupling joint, pivot 12 is connected with the bearing of bearing frame 11 through the mode of interference connection, the periphery of pivot 12 is equipped with reel 13, the one end of barrier net 9 is connected with two third branches 8, the other end of barrier net 9 can also be rolled up on reel 13.

Example 3

A football training device is shown in figures 5-7 and comprises a rear side plate 1, a first slide rail 2, a first slide block 3, a second slide rail 4, a second slide block 5, a first support rod 6, a second support rod 7, a third support rod 8 and a blocking net 9, wherein the upper part and the lower part of the left side of the front side surface of the rear side plate 1 are horizontally connected with the first slide rail 2 in a welding connection mode, the first slide rail 2 is provided with the first slide block 3 in sliding fit with the first slide rail, the front side surface of the first slide block 3 is horizontally connected with the second slide rail 4 in a bolt connection mode, the upper part and the lower part of the right side of the front side surface of the rear side plate 1 are also horizontally connected with the second slide rail 4 in a bolt connection mode, the second slide block 5 in sliding fit with the second slide rail 4 is provided with the bottom end of the upper part of the left side part 5 in a bolt connection mode, the top end of the second slide block 5 of the lower part of the left side is vertically, the bottom of right side upper portion second slider 5 and the top of right side lower part second slider 5 all are connected with third branch 8 through bolted connection's mode is vertical, is connected with block 9 between the first branch in left side 6 and second branch 7 and the two third branch 8 four on right side.

Also comprises an electric reel 14 and a pull rope 15, spring 16 and switch 17, electronic reel 14 is all installed through bolted connection's mode in the left surface middle part of right side second slide rail 4, it has stay cord 15 to wind on the electronic reel 14, the one end of stay cord 15 is wound on electronic reel 14, the other end of stay cord 15 is connected with the right flank middle part of first slider 3, two first slider 3's leading flank all has spring 16 through welded connection's mode horizontally connect, the upper and lower both sides on trailing flank 1 leading flank right side also have spring 16 through welded connection's mode horizontally connect, spring 16 is located second slider 5 directly behind, the right-hand switch 17 that is provided with of spring 16, switch 17 is connected with first slider 3 and trailing flank 1 through the mode of screw, there is line connection between switch 17 and the electronic reel 14, there is also line connection between switch 17 and the first motor 10.

The rear side plate comprises a rear side plate 1 and is characterized by further comprising a sliding sleeve 18, a sliding rod 19, wheels 20 and T-shaped screws 22, the sliding sleeve 18 is vertically connected to the left side and the right side of the bottom of the rear side plate 1 in a bolt connection mode, the sliding rod 19 is arranged in the sliding sleeve 18, the wheels 20 are rotatably connected to the bottom of the sliding rod 19, threaded holes 21 are formed in the lower portion of the left side face of the left side sliding sleeve 18 and the lower portion of the right side face of the right side sliding sleeve 18, and the T.

The rear side plate is characterized by further comprising an air cylinder 23 and a conical inserted rod 24, the air cylinder 23 is installed at the bottom of the rear side plate 1 between the two sliding sleeves 18 in a bolt connection mode, and the conical inserted rod 24 is vertically connected to a telescopic rod of the air cylinder 23 in a bolt connection mode.

The barrier net 9 is made of nylon.

The pull rope 15 is a steel wire rope.

The first motor 10 is a servo motor.

The working principle is as follows: the invention is placed on the ground. When a player shoots a football into the barrier net 9 in the shooting training, the barrier net 9 moves backwards on the second slide rail 4 through the second slide block 5, when the barrier net 9 stops moving backwards, the second slide block 5 is manually moved forwards on the second slide rail 4 to reset, and the second slide block 5 moves forwards to reset the barrier net 9 and then moves forwards to reset. Then, the second slide rail 4 on the left side is manually moved to the right on the first slide rail 2 through the first slide block 3, so that the length of the barrier net 9 is reduced, and the difficulty of shooting can be increased. The above operations are repeated, and the difficulty of shooting can be increased continuously. Therefore, the length of the barrier net 9 can be adjusted, the shooting difficulty can be adjusted, and the novel fire-fighting barrier net is novel. Therefore, the invention has novelty, can adjust the shooting training difficulty of the player, enhance the training effect, improve the training quality and accelerate the professional level improvement speed of the player.

Because still including first motor 10, bearing frame 11, pivot 12 and reel 13, bearing frame 11 is installed through bolted connection's mode to the top of first branch 6, first motor 10 is installed through bolted connection's mode to the bottom of second branch 7, the output shaft of first motor 10 has pivot 12 through the coupling joint, pivot 12 is connected with the bearing of bearing frame 11 through the mode of interference connection, the periphery of pivot 12 is equipped with reel 13, the one end of blocking net 9 is connected with two third branches 8, the other end of blocking net 9 can also be rolled up on reel 13. When the second slide rail 4 moves rightwards on the first slide rail 2 through the first slide block 3 to reduce the length of the barrier net 9, the first motor 10 is started to enable the rotating shaft 12 to rotate clockwise, the rotating shaft 12 rotates clockwise, the winding drum 13 rotates clockwise, and the winding drum 13 rotates clockwise along with the rotating shaft to wind up the barrier net 9 so that the barrier net 9 is straightened.

Because the electric reel 14 and the pull rope 15 are also included, spring 16 and switch 17, electronic reel 14 is all installed through bolted connection's mode in the left surface middle part of right side second slide rail 4, it has stay cord 15 to wind on the electronic reel 14, the one end of stay cord 15 is wound on electronic reel 14, the other end of stay cord 15 is connected with the right flank middle part of first slider 3, two first slider 3's leading flank all has spring 16 through welded connection's mode horizontally connect, the upper and lower both sides on trailing flank 1 leading flank right side also have spring 16 through welded connection's mode horizontally connect, spring 16 is located second slider 5 directly behind, the right-hand switch 17 that is provided with of spring 16, switch 17 is connected with first slider 3 and trailing flank 1 through the mode of screw, there is line connection between switch 17 and the electronic reel 14, there is also line connection between switch 17 and the first motor 10. When the second slide block 5 moves the extrusion switch 17 backwards on the second slide rail 4, the electric reel 14 can be started to rotate clockwise to retract the pull rope 15, so that the left second slide rail 4 moves rightwards on the first slide rail 2 through the first slide block 3, and the length of the barrier net 9 is reduced. The switch 17 can start the electric reel 14 and simultaneously start the first motor 10 to enable the rotating shaft 12 to rotate clockwise to roll up the barrier net 9 to enable the barrier net 9 to be straightened, the spring 16 is compressed when the second slider 5 moves backwards to squeeze the switch 17, the spring 16 is stretched when the second slider 5 stops moving backwards, the spring 16 is stretched to enable the second slider 5 to move forwards to reset, the second slider 5 moves forwards to reset to release the switch 17, and the electric reel 14 and the first motor 10 are closed along with the switch, so that time and labor can be saved.

Because still including sliding sleeve 18, slide bar 19, wheel 20 and T shape screw rod 22, the left and right sides of posterior lateral plate 1 bottom all is through the vertical sliding sleeve 18 that is connected with of bolted connection's mode, is equipped with slide bar 19 in the sliding sleeve 18, and the bottom rotary type of slide bar 19 is connected with wheel 20, and the lower part of the left side face of left side sliding sleeve 18 and the right flank of right side sliding sleeve 18 all opens threaded hole 21, is equipped with T shape screw rod 22 rather than the complex in the threaded hole 21. The wheels 20 allow for easy and quick movement of the present invention, thus allowing for a wide range of applications of the present invention. The T-shaped screw 22 is unscrewed to enable the sliding rod 19 to move up and down, the heights of the sliding rod 19 and the rear side plate 1 can be adjusted, the height of the barrier net 9 can be adjusted, the difficulty of shooting can be further increased, and after the height adjustment of the sliding rod 19 and the rear side plate 1 is completed, the T-shaped screw 22 is screwed down to fix the sliding rod 19 in the sliding sleeve 18.

Because the rear side plate further comprises an air cylinder 23 and a conical inserted bar 24, the air cylinder 23 is installed at the bottom of the rear side plate 1 between the two sliding sleeves 18 in a bolt connection mode, and the conical inserted bar 24 is vertically connected to the telescopic rod of the air cylinder 23 in a bolt connection mode. The telescopic rod of the starting cylinder 23 extends, and the telescopic rod of the starting cylinder 23 extends to push the conical insertion rod 24 to move downwards to insert the conical insertion rod 24 into the ground, so that the movement of the invention when a player shoots a ball can be prevented. When the invention is moved, the telescopic rod of the starting cylinder 23 is shortened and reset, the telescopic rod of the cylinder 23 is shortened and reset, the conical insertion rod 24 is pulled out from the ground, and then the invention is moved.

Because the material of the barrier net 9 is nylon, the nylon has good toughness, small friction coefficient and wear resistance.

Because the pull rope 15 is a steel wire rope, the steel wire rope has high strength, light dead weight, stable work, difficult sudden whole root breaking and safe and reliable use.

Because first motor 10 is servo motor, servo motor can its rotational speed of more accurate control, makes the operation more steady.

The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A football training device is characterized by comprising a rear side plate (1), a first slide rail (2), a first sliding block (3), a second slide rail (4), a second sliding block (5), a first supporting rod (6), a second supporting rod (7), a third supporting rod (8) and a blocking net (9), wherein the upper part and the lower part of the left side of the front side of the rear side plate (1) are horizontally connected with the first slide rail (2) in a welding connection mode, the first slide rail (2) is provided with the first sliding block (3) in sliding fit with the first slide rail, the front side of the first sliding block (3) is horizontally connected with the second slide rail (4) in a bolt connection mode, the upper part and the lower part of the right side of the front side of the rear side plate (1) are also horizontally connected with the second slide rail (4) in a bolt connection mode, the second sliding block (5) in sliding fit with the second slide rail (4) is arranged on the second slide rail (4), the bottom end of the second sliding block (5) on the upper, the top end of the left lower second sliding block (5) is vertically connected with a second supporting rod (7) in a bolt connection mode, the bottom end of the right upper second sliding block (5) and the top end of the right lower second sliding block (5) are vertically connected with a third supporting rod (8) in a bolt connection mode, and a blocking net (9) is connected between the left first supporting rod (6), the left second supporting rod (7) and the right two third supporting rods (8); the device is characterized by further comprising a first motor (10), bearing seats (11), rotating shafts (12) and winding drums (13), wherein the bearing seats (11) are installed at the top ends of the first supporting rods (6) in a bolt connection mode, the first motor (10) is installed at the bottom ends of the second supporting rods (7) in a bolt connection mode, the rotating shafts (12) are connected to output shafts of the first motor (10) through couplings, the rotating shafts (12) are connected with bearings of the bearing seats (11) in an interference connection mode, the winding drums (13) are arranged on the peripheries of the rotating shafts (12), one ends of the blocking nets (9) are connected with the two third supporting rods (8), and the other ends of the blocking nets (9) can be wound on the winding drums (13); the novel sliding rail is characterized by further comprising an electric reel (14), a pull rope (15), springs (16) and a switch (17), wherein the electric reel (14) is installed in the middle of the left side face of the right second sliding rail (4) in a bolt connection mode, the pull rope (15) is wound on the electric reel (14), one end of the pull rope (15) is wound on the electric reel (14), the other end of the pull rope (15) is connected with the middle of the right side face of the first sliding block (3), the front side faces of the two first sliding blocks (3) are horizontally connected with the springs (16) in a welding connection mode, the upper side and the lower side of the right side of the front side face of the rear side plate (1) are also horizontally connected with the springs (16) in a welding connection mode, the springs (16) are located right behind the second sliding block (5), the switch (17) is arranged on the right side of the springs (16), and the switch (17) is connected with the first, the switch (17) is connected with the electric reel (14) through a line, and the switch (17) is also connected with the first motor (10) through a line;

the rear side plate is characterized by further comprising a sliding sleeve (18), a sliding rod (19), wheels (20) and T-shaped screws (22), the sliding sleeve (18) is vertically connected to the left side and the right side of the bottom of the rear side plate (1) in a bolt connection mode, the sliding rod (19) is arranged in the sliding sleeve (18), the wheels (20) are rotatably connected to the bottom of the sliding rod (19), threaded holes (21) are formed in the lower portion of the left side face of the left side sliding sleeve (18) and the lower portion of the right side face of the right side sliding sleeve (18), and the T-shaped screws (22) matched with the threaded;

the barrier net (9) is made of nylon material; the pull rope (15) is a steel wire rope.