CN210078694U

CN210078694U - High-safety teaching aid capable of quickly adjusting high jump

Info

Publication number: CN210078694U
Application number: CN201920820395.8U
Authority: CN
Inventors: 肖毅
Original assignee: Kaizhou District Vocational Education Center Of Chongqing Secondary Health Vocational School Of Kaizhou District Of Chongqing
Current assignee: Kaizhou District Vocational Education Center Of Chongqing Secondary Health Vocational School Of Kaizhou District Of Chongqing
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-02-18
Anticipated expiration: 2029-06-03

Abstract

The utility model relates to a sports training equipment technical field just discloses a but high quick adjustment high jump of security usefulness teaching aid, which comprises a bracket, the top fixedly connected with compression spring of support. This high teaching aid of quick adjustment high jump usefulness of security, cooperation through movable block and guide arm is used, the movable block can be in the inside stable slip at the mobile jib along the guide arm, make its in-process at the removal can not take place the skew, thereby make the stable inside at the mobile jib of auxiliary rod with movable block fixed connection reciprocate, cooperation through motor and stay cord is used, the output shaft of motor is convoluteed the stay cord, make the stay cord slide in the outside of assembly pulley, thereby upwards promote the auxiliary rod, use through positioner, fastening screw and nut reduce the inner space of elasticity clamp ring, make its and auxiliary rod zonulae occludens, prevent the auxiliary rod whereabouts, quick adjustment's purpose has been realized, work efficiency is improved, use is facilitated.

Description

High-safety teaching aid capable of quickly adjusting high jump

Technical Field

The utility model relates to a sports training equipment technical field specifically is a high teaching aid of quick adjustment high jump usefulness of security.

Background

The high jump is one of the track and field events, it is composed of rhythmic running-up, single-foot take-off, crossing cross bar and falling to the ground, and the high jump is the event of the high conquering of the sports, it is the symbol of the human being not inflicted and climbing the peak.

The most single structure of device for current high jump, complex operation has the shortcoming of inconvenient regulation at the in-process that uses, needs the artifical continuous height of adjusting the horizontal pole in the training, can not automatic lifting, the time of having wasted, increased regulating personnel's the operation degree of difficulty, reduced work efficiency, inconvenient user's use, so provide the teaching aid that a security is high can the snap-action adjustment high jump be used and solve the above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a but high quick adjustment teaching aid of high jump usefulness possesses advantages such as quick adjustment, solved the most single structure of current device for the jump, complex operation, there is the shortcoming of inconvenient regulation at the in-process that uses, need the height of artifical continuous adjustment horizontal pole in the training, can not automatic lifting, the time of having wasted, the operation degree of difficulty of regulating personnel has been increased, the work efficiency is reduced, inconvenient user's the problem of use.

(II) technical scheme

In order to realize the purpose of the quick adjustment, the utility model provides a following technical scheme: a high-safety teaching aid capable of quickly adjusting high jump comprises a support, wherein a compression spring is fixedly connected to the top of the support, a damping plate is fixedly connected to the top of the compression spring, a protective pad is fixedly connected to the top of the damping plate, a first clamping block is fixedly connected to the left side of the support, a second clamping block is clamped inside the first clamping block, a mounting seat is fixedly connected to the left side of the second clamping block, two main rods are fixedly connected to the top of the mounting seat, two guide rods are fixedly connected to the inside of the main rods, a movable block is movably connected to the outer side of each guide rod and located inside of each main rod, an auxiliary rod is fixedly connected to the top of each movable block and located inside of each main rod, a scale groove is formed in the front of each auxiliary rod, and a positioning device is movably connected to the outer side of each auxiliary rod and located on the top of each, the utility model discloses a building crane, including auxiliary rod, mount pad, auxiliary rod, left fixedly connected with stay cord, the top fixedly connected with of auxiliary rod places the piece, the top swing joint who places the piece has the horizontal pole, the left side fixedly connected with connecting block of auxiliary rod, the left side fixedly connected with stay cord of connecting block, the top of mount pad just is located the left side fixedly connected with motor of mobile jib, the output shaft fixedly connected with stay cord of motor, the outside of stay cord is located the left side swing joint of mobile jib has the.

Preferably, the positioning device comprises an elastic clamping ring, the bottom of the elastic clamping ring is in threaded connection with a fastening screw, and the right side of the fastening screw is in threaded connection with a nut.

Preferably, the number of the compression springs is not less than two and the compression springs are the same in size, and the compression springs are uniformly distributed on the top of the support.

Preferably, the size of the inner space of the first fixture block is matched with the size of the second fixture block, and the diameter of the movable block is smaller than the inner diameter of the main rod.

Preferably, the pulley block wraps two pulley yoke of piece, two the equal swing joint in pulley yoke's inside has the pulley, the right side and the mobile jib fixed connection of pulley yoke.

Preferably, one end of the auxiliary rod, which is far away from the movable block, penetrates through the main rod and the placing block and extends to the inside of the placing block.

(III) advantageous effects

Compared with the prior art, the utility model provides a but high quick adjustment teaching aid of high jump usefulness possesses following beneficial effect:

1. this high teaching aid of quick adjustment high jump usefulness of security, cooperation through movable block and guide arm is used, the movable block can be in the inside stable slip at the mobile jib along the guide arm, make its in-process at the removal can not take place the skew, thereby make the stable inside at the mobile jib of auxiliary rod with movable block fixed connection reciprocate, cooperation through motor and stay cord is used, the output shaft of motor is convoluteed the stay cord, make the stay cord slide in the outside of assembly pulley, thereby upwards promote the auxiliary rod, use through positioner, fastening screw and nut reduce the inner space of elasticity clamp ring, make its and auxiliary rod zonulae occludens, prevent the auxiliary rod whereabouts, quick adjustment's purpose has been realized, work efficiency is improved, use is facilitated.

2. This high teaching aid that quick adjustment jump was used of security, cooperation through compression spring and shock attenuation board is used, after the jump sportsman fell to the protection pad, the strength that produces pressed down the shock attenuation board, compression spring is compressed, then compression spring's elastic potential energy release, upwards push up the shock attenuation board, thereby vibrations when making the sportsman fall to the protection pad reduce, and make the protection pad possess elasticity, it has played huge cushioning effect to falling to the ground of sportsman, guarantee sportsman's safety, the high purpose of security has been realized.

Drawings

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

FIG. 2 is a schematic structural view of the positioning device of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: the device comprises a support 1, a compression spring 2, a damping plate 3, a protective pad 4, a first clamping block 5, a second clamping block 6, a mounting seat 7, a main rod 8, a guide rod 9, a movable block 10, an auxiliary rod 11, a scale groove 12, a positioning device 13, an elastic clamping ring 1301, a fastening screw 1302, a nut 1303, a placing block 14, a cross rod 15, a connecting block 16, a pull rope 17, a motor 18 and a pulley block 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a high-safety teaching aid capable of quickly adjusting high jump comprises a support 1, wherein compression springs 2 are fixedly connected to the top of the support 1, the number of the compression springs 2 is not less than two and the compression springs are the same in size, the compression springs 2 are uniformly distributed on the top of the support 1, the compression springs 2 and a damping plate 3 are used in a matched manner, when a high jump athlete falls on a protective pad 4, the damping plate 3 is pressed downwards by the generated force, the compression springs 2 are compressed, then the elastic potential energy of the compression springs 2 is released, the damping plate 3 is pushed upwards, so that the shock of the athlete when the athlete falls on the protective pad 4 is reduced, the protective pad 4 has elasticity, a huge buffering effect is achieved on the falling of the athlete, the safety of the athlete is guaranteed, the purpose of high safety is achieved, the damping plate 3 is fixedly connected to the top of the compression springs 2, the top of the damping plate 3 is fixedly connected with a protective pad 4, the left side of the bracket 1 is fixedly connected with a first fixture block 5, the size of the inner space of the first fixture block 5 is matched with the size of a second fixture block 6, the inner part of the first fixture block 5 is clamped with the second fixture block 6, the left side of the second fixture block 6 is fixedly connected with a mounting seat 7, the top of the mounting seat 7 is fixedly connected with two main rods 8, the inner part of the main rods 8 is fixedly connected with two guide rods 9, the outer side of each guide rod 9 and the inner part of each main rod 8 are movably connected with a movable block 10, the diameter of each movable block 10 is smaller than the inner diameter of each main rod 8, the top of each movable block 10 and the inner part of each main rod 8 are fixedly connected with an auxiliary rod 11, one end, far away from each movable block 10, of each auxiliary rod 11 penetrates through the main rods 8 and the placing blocks 14 and extends to the inner parts of the placing blocks 14, the front of each, the positioning device 13 comprises an elastic clamping ring 1301, a fastening screw 1302 is connected to the bottom of the elastic clamping ring 1301 in a threaded manner, a nut 1303 is connected to the right side of the fastening screw 1302 in a threaded manner, a placing block 14 is fixedly connected to the top of an auxiliary rod 11, a cross rod 15 is movably connected to the top of the placing block 14, a connecting block 16 is fixedly connected to the left side of the auxiliary rod 11, a pull rope 17 is fixedly connected to the left side of the connecting block 16, a motor 18 is fixedly connected to the top of the mounting base 7 and located on the left side of the main rod 8, the motor 18 can be PRF60 in type, and is an auxiliary motor indirect speed change device, so that the speed and position precision can be controlled very accurately, a voltage signal can be converted into a torque and a rotating speed to drive a control object, the rotating speed of a rotor is controlled by an input signal and can be quickly reacted, the pull rope, pulley block 19 wraps two pulley frames, pulleys are movably connected inside the two pulley frames, the right side of the pulley frame is fixedly connected with the main rod 8, the movable block 10 and the guide rod 9 are matched for use, the movable block 10 can stably slide inside the main rod 8 along the guide rod 9, so that the movable block can not deviate in the moving process, the auxiliary rod 11 fixedly connected with the movable block 10 stably moves up and down inside the main rod 8, the motor 18 and the pull rope 17 are matched for use, the pull rope 17 is wound by an output shaft of the motor 18, the pull rope 17 slides outside the pulley block 19, so that the auxiliary rod 11 is lifted upwards, through the positioning device 13, the fastening screw 1302 and the nut 1303 reduce the inner space of the elastic clamping ring 1301, so that the elastic clamping ring is tightly connected with the auxiliary rod 11, the auxiliary rod 11 is prevented from falling, the purpose of quick adjustment is realized, and the working efficiency is improved, the use is convenient.

When the auxiliary rod lifting device is used, the output shaft of the motor 18 winds the pulling rope 17, the pulling rope 17 slides on the outer side of the pulley block 19, the auxiliary rod 11 is lifted upwards, then the fastening screw 1302 and the nut 1303 reduce the inner space of the elastic clamping ring 1301, the elastic clamping ring is tightly connected with the auxiliary rod 11, the position of the auxiliary rod 11 is fixed, and the motor 18 is used for lifting, so that the auxiliary rod lifting device is convenient, rapid, time-saving and labor-saving.

In conclusion, the high-safety teaching aid capable of quickly adjusting high jump is characterized in that the movable block 10 can stably slide in the main rod 8 along the guide rod 9 through the matching of the movable block 10 and the guide rod 9, so that the movable block 10 cannot deviate in the moving process, the auxiliary rod 11 fixedly connected with the movable block 10 stably moves up and down in the main rod 8, the motor 18 is matched with the pull rope 17 for use, the pull rope 17 is wound by the output shaft of the motor 18, the pull rope 17 slides on the outer side of the pulley block 19, the auxiliary rod 11 is lifted upwards, and through the use of the positioning device 13, the fastening screw 1302 and the nut 1303 reduce the inner space of the elastic clamping ring 1301, so that the fastening screw is tightly connected with the auxiliary rod 11, the auxiliary rod 11 is prevented from falling, the purpose of quick adjustment is realized, the working efficiency is improved, and the use is facilitated.

And, through the cooperation of the compression spring 2 and the damping plate 3, when the high jump athlete falls on the protection pad 4, the generated force presses the damping plate 3 downwards, the compression spring 2 is compressed, then the elastic potential energy of the compression spring 2 is released to push the damping plate 3 upwards, so that the vibration of the athlete falling onto the protective pad 4 is reduced, and the protective pad 4 has elasticity, plays a great role in buffering the falling of athletes, ensures the safety of athletes, achieves the aim of high safety, solves the problems that most of the prior high jump devices have single structure and complex operation, the shortcoming of inconvenient regulation exists at the in-process that uses, needs the continuous height of adjusting horizontal pole 15 of manual work in the training, can not automatic lifting, has wasted the time, has increased regulating personnel's the operation degree of difficulty, has reduced work efficiency, inconvenient user's problem of use.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but high quick adjustment high jump teaching aid of usefulness of security, includes support (1), its characterized in that: the shock absorption support is characterized in that a compression spring (2) is fixedly connected to the top of the support (1), a shock absorption plate (3) is fixedly connected to the top of the compression spring (2), a protection pad (4) is fixedly connected to the top of the shock absorption plate (3), a first fixture block (5) is fixedly connected to the left side of the support (1), a second fixture block (6) is clamped inside the first fixture block (5), a mounting seat (7) is fixedly connected to the left side of the second fixture block (6), two main rods (8) are fixedly connected to the top of the mounting seat (7), two guide rods (9) are fixedly connected to the inside of the main rods (8), movable blocks (10) are movably connected to the outer sides of the guide rods (9) and located inside of the main rods (8), and auxiliary rods (11) are fixedly connected to the top of the movable blocks (10) and the inside of the main rods (8), scale groove (12) have been seted up in the front of auxiliary rod (11), the top swing joint that the outside of auxiliary rod (11) just is located mobile jib (8) has positioner (13), piece (14) are placed to the top fixedly connected with of auxiliary rod (11), the top swing joint who places piece (14) has horizontal pole (15), the left side fixedly connected with connecting block (16) of auxiliary rod (11), the left side fixedly connected with stay cord (17) of connecting block (16), the top of mount pad (7) just is located left side fixedly connected with motor (18) of mobile jib (8), the output shaft fixedly connected with stay cord (17) of motor (18), the left side swing joint that the outside of stay cord (17) is located mobile jib (8) has assembly pulley (19).

2. The teaching aid of claim 1, which is high in safety and can be used for high jump fast, and is characterized in that: the positioning device (13) comprises an elastic clamping ring (1301), a fastening screw (1302) is connected to the bottom of the elastic clamping ring (1301) in a threaded mode, and a nut (1303) is connected to the right side of the fastening screw (1302) in a threaded mode.

3. The teaching aid of claim 1, which is high in safety and can be used for high jump fast, and is characterized in that: the number of the compression springs (2) is not less than two and the compression springs are the same in size, and the compression springs (2) are uniformly distributed on the top of the support (1).

4. The teaching aid of claim 1, which is high in safety and can be used for high jump fast, and is characterized in that: the size of the inner space of the first fixture block (5) is matched with that of the second fixture block (6), and the diameter of the movable block (10) is smaller than the inner diameter of the main rod (8).

5. The teaching aid of claim 1, which is high in safety and can be used for high jump fast, and is characterized in that: the pulley block (19) wraps two pulley yoke of piece, two the equal swing joint in inside of pulley yoke has the pulley, the right side and mobile jib (8) fixed connection of pulley yoke.

6. The teaching aid of claim 1, which is high in safety and can be used for high jump fast, and is characterized in that: one end of the auxiliary rod (11) far away from the movable block (10) penetrates through the main rod (8) and the placing block (14) and extends to the inside of the placing block (14).