CN209771288U

CN209771288U - Rotary altitude touch machine for basketball teaching

Info

Publication number: CN209771288U
Application number: CN201920066954.0U
Authority: CN
Inventors: 黄海圣; 吴雪珍; 汪长芳
Original assignee: Hubei College of Chinese Medicine
Current assignee: Hubei College of Chinese Medicine
Priority date: 2019-01-15
Filing date: 2019-01-15
Publication date: 2019-12-13
Anticipated expiration: 2029-01-15

Abstract

The utility model discloses a basketball teaching in sports teaching equipment field is with rotatory ware of sargent jumping, this kind of device has connected gradually vertical placing's bent axle, vertical placing's connecting rod and the base that the level is in ground by gravitational potential energy eminence to gravitational potential energy low, the bent axle includes connecting rod journal and main shaft neck, connecting rod journal and main shaft neck all overlap there is the swivel becket of circumference, and the swivel becket radial both sides all weld the horizontally pole of sargent jumping. When this technical scheme used, training personnel can divide into two sets ofly, and the training of sargent jumping is carried out in radial both sides, and when training personnel take off the jump touching connecting rod, the connecting rod drove the swivel becket and rotates, and record personnel can carry out data record according to the pivoted connecting rod this moment. Compared with a height touch machine with a touch bar sensor as a core, the device can be used for grouping training, and the training efficiency is improved.

Description

Rotary altitude touch machine for basketball teaching

Technical Field

The utility model belongs to sports teaching equipment field specifically is basketball teaching is with rotatory ware of sargent jumping.

Background

In basketball training, jump training is one of the key training courses. In the prior art, a height measuring device is usually used for bouncing training, a plurality of electronic height measuring devices are used during training, most of the electronic height measuring devices are height measuring devices using a touch bar sensor as a core, the sensor adopts a touch piezoelectric sensing principle, when the sensor is touched, the self resistance or capacitance of the sensor is changed, so that the change of output voltage is caused, and the voltage finally obtains a result through subsequent processing.

However, the altitude touch machine has the following disadvantages: the corresponding speed is slow due to the change of the self attribute when the touch is sensed, and in addition, the touch force which can be responded by the sensor cannot be achieved necessarily when the human jumps up to the highest point, so that the test value is possibly lower than the actual jump value, and the test accuracy is not high enough. Secondly, because of the adoption of electrical elements, the electric connection is needed, when an external power supply is adopted, the moving range and the field range of the altitude touch machine are limited, and when an internal power supply is adopted, the replacement of the internal power supply of the altitude touch machine increases the cost and affects the training time. The altitude touch machine can only test single data at one time, and can only be purchased in batches when the rhythm of basketball training is kept up with, so that the training cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims at providing a basketball teaching of training is with rotatory ware of sargent jumping is divided into groups to single teaching aid.

In order to achieve the above purpose, the technical solution of the present invention is as follows: basketball teaching is with rotatory ware of sarging, by the potential energy eminence to the potential energy low base that has connected gradually vertical bent axle of placing, vertical connecting rod of placing and level in ground, the bent axle includes rod journal and main shaft journal, rod journal and main shaft journal all overlap the swivel becket of circumference, and the radial both sides of swivel becket all weld the horizontally pole of sarging.

The technical principle is as follows: when this technical scheme used, training personnel can divide into two sets ofly, and the training of sargent jumping is carried out in radial both sides, and when training personnel take off the jump touching sargent jumping, the sargent jumping rod drives the swivel becket and rotates, and the record personnel can carry out data record according to the pivoted connecting rod this moment.

After the scheme is adopted, the following beneficial effects are realized: 1. compared with a height touch machine with a touch bar sensor as a core, the device can be used for grouping training, and the training efficiency is improved.

2. Compared with an electric control altitude touch machine, the device does not need to adopt an internal or external power supply, and the application range is enlarged.

3. Compared with other mechanical altitude touch machines, the device represents the altitude touch by utilizing the circumferential rotation of the rotating altitude touch rod, and reduces data errors generated by visual observation.

4. Compared with a height measuring device with a recess and a repair function, the device is low in cost and high in cost performance.

Furthermore, balls are rotatably connected between the rotating ring and the connecting rod journal and between the rotating ring and the main journal, half bodies of the balls are immersed in the rotating ring, the balls and the rotating ring are in clearance fit, notches are formed in the surfaces of the balls, protruding blocks are contacted with the notches, radial clearances generated by the matching of the protruding blocks and the balls are 5-8mm, one part of the protruding blocks are welded with the connecting rod journal, and the other part of the protruding blocks are welded with the main journal.

For the prior art who adds rotary device, this technical scheme is when rotating, and the breach production adaptation connection of lug and ball, and the swivel becket after the connection is in relative quiescent condition with the ball, has avoided producing rotatoryly because inertia swivel becket incessantly has improved the stability and the practicality of device.

For the prior art that adds the reduction inertia of recess and lug, because the clearance that the lug sinks into the recess is 2-5mm among this technical scheme, the clearance is very little, only prevents and avoids inertia, so when training personnel carried out the second time and touch high, lug and breach receive the turning force and break away from the adaptation connection naturally, have avoided locking between swivel ring and the ball, have promoted pivoted efficiency.

Furthermore, the ball contacts the extension spring that has the axial setting, and the extension spring is located the rotating ring inside. Analyzing the contact process of the ball and the bump, when the bump slides across the surface of the ball and is about to enter the groove, the ball is stressed to press the tension spring downwards to prepare for the bump to enter the groove. When the lug and the sliding groove are in adaptive connection, because the groove has depth, the extruded distance of the lug to the tension spring is shortened, the tension spring generates restoring force at the moment, the restoring force drives the ball to jack up, and the ball after jacking up and the lug complete locking. The extension spring provides the connection space for the ball when pushing down, has avoided producing the rigidity friction between ball and the lug, has improved life, and when pushing up, the extension spring has strengthened the locking effect for lug and ball realization axial zonulae occludens.

Further, the base axial is equipped with the hinge that control axial opened and shut, and the hinge articulates there is the journal stirrup, and the journal stirrup surface link up there is the screw. The stability of base is strengthened through the journal stirrup.

Furthermore, the cross section of the support lug is Z-shaped, and horizontal support rods are welded on two sides of a contact point of the support lug and the ground. The moment received by the support lug is dispersed, and the service life is prolonged.

furthermore, the base is equipped with the gyro wheel all around, and gyro wheel swing joint has the brake, and in the brake embedding gyro wheel. The rollers are locked, so that the sliding of the rollers during training is avoided, and the service performance is improved.

Further, the crankshaft surface is marked with scale values. The recording personnel can conveniently and accurately record, and the accuracy is improved.

Drawings

FIG. 1 is a front view of the embodiment of the present invention;

Fig. 2 is a view showing how the balls and the connecting rod in fig. 1 are engaged with each other.

Detailed Description

The following is further detailed by way of specific embodiments:

Reference numerals in the drawings of the specification include: the device comprises a crankshaft 1, scales 101, a connecting rod journal 102, a main journal 103, a connecting rod 2, a base 3, a roller 301, a brake 302, a support lug 303, a horizontal support rod 304, a rotating ring 4, a height touching rod 5, a ball 6, a tension spring 7, a notch 8, a bump 9 and a reinforcing rib 10.

The embodiment is basically as shown in the attached figure 1: basketball teaching is with rotatory ware of sargent jumping, by last to connecting gradually the vertical bent axle 1 of placing, the vertical connecting rod 2 of placing and the base 3 of level in ground, base 3 has gyro wheel 301 all around the screw connection, gyro wheel 301 swing joint has brake 302, and in brake 302 embedding gyro wheel 301. Both the front and the rear of the base 3 are connected with hinges which are horizontally placed through screws, the hinges are hinged with support lugs 303 with Z-shaped cross sections, screw holes are communicated on the surfaces of the support lugs 303, and horizontal support rods 304 are welded on the left side and the right side of contact points of the support lugs 303 and the ground. The joint of the connecting rod 2 and the base 3 is welded with a reinforcing rib 10.

as shown in fig. 2, the surface of the crankshaft 1 is marked with scales 101, the crankshaft 1 includes a connecting rod journal 102 and a main journal 103, the connecting rod journal 102 and the main journal 103 are both sleeved with a circumferential rotating ring 4, both radial sides of the rotating ring 4 are welded with horizontal height touching rods 5, a ball 6 is rotatably connected between the rotating ring 4 and the connecting rod journal 102 and the main journal 103, a half of the ball 6 is immersed in the rotating ring 4, the ball 6 and the rotating ring 4 are in clearance fit, a part of the ball 6 immersed in the rotating ring 4 is contacted with an axially arranged tension spring 7, the tension spring 7 is positioned inside the rotating ring 4, a notch 8 is formed on the surface of the ball 6, a lug 9 is contacted with the notch 8, a radial clearance generated by the cooperation of the lug 9 and the ball 6 is 5mm, one part of the lugs 9 is welded with the connecting rod journal, and the other part of the lugs 9 is welded.

The specific implementation process is as follows: firstly, a coach arrives at a training field by pushing the device, then the coach pedals a brake 302 to lock a roller 301, and then the coach turns over a support lug 303 through a hinge, contacts a horizontal support rod 304 connected with the support lug 303 and the ground, and then puts a bolt into a screw hole of the support lug 303 to be connected and fastened.

After the training begins, training personnel can divide into two sets ofly, and the training of feeling high is carried out in radial both sides, and when training personnel take off the jump touching and feel high pole 5, the pole 5 of feeling high drives swivel ring 4 and ball 6 in proper order and rotates, when lug 9 slided 6 surfaces of ball and is about to get into the recess, 6 atresss of ball are with extension spring 7 pushing down, get into the recess for lug 9 and prepare. When lug 9 and spout adaptation are connected, because the recess has the degree of depth, so lug 9 shortens to the extruded distance of extension spring 7, and extension spring 7 produced the restoring force this moment, and the restoring force drives ball 6 and pushes up, and ball 6 after pushing up accomplishes the locking with lug 9, and swivel becket 4 after the connection is in relative quiescent condition with ball 6, has avoided producing the rotation because inertia swivel becket 4 does not stop, has improved the stability and the practicality of device.

When training personnel touched the height touching rod 5 with the same height for the second time, the lug 9 and the notch 8 are naturally separated from the adaptive connection by the rotating force, so that the locking between the rotating ring 4 and the ball 6 is avoided, and the rotating efficiency is improved. And then the recording personnel can record the height measuring data of the training personnel according to the scale 101 corresponding to the displaced height measuring rod 5.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Basketball teaching is with rotatory ware of sargent jumping, its characterized in that: the crank shaft comprises a connecting rod journal and a main journal, the connecting rod journal and the main journal are sleeved with circumferential rotating rings, and horizontal height-touching rods are welded on the radial two sides of each rotating ring.

2. The rotary altitude touch machine for basketball teaching according to claim 1, wherein: the ball bearings are rotatably connected between the rotating ring and the connecting rod journal as well as between the rotating ring and the main journal, half bodies of the ball bearings are immersed in the rotating ring, the ball bearings are in clearance fit with the rotating ring, notches are formed in the surfaces of the ball bearings, protruding blocks are contacted with the notches, the radial clearance generated by the matching of the protruding blocks and the ball bearings is 5-8mm, one part of the protruding blocks are welded with the connecting rod shaft diameter, and the other part of the protruding blocks are welded with the main journal.

3. The rotary altitude touch machine for basketball teaching according to claim 2, wherein: the ball contacts the tension spring which is arranged axially and is positioned in the rotating ring.

4. The rotary altitude touch machine for basketball teaching according to claim 1, wherein: the base axial is equipped with the hinge that control axial opened and shut, and the hinge articulates there is the journal stirrup, and the journal stirrup surface link up has the screw.

5. The rotary altitude touch machine for basketball teaching according to claim 4, wherein: the cross section of the support lug is Z-shaped, and horizontal support rods are welded on two sides of a contact point of the support lug and the ground.

6. The rotary altitude touch machine for basketball teaching according to claim 5, wherein: the base is equipped with the gyro wheel all around, and gyro wheel swing joint has the brake, and in the brake embedding gyro wheel.

7. The rotary altitude touch machine for basketball teaching according to claim 1, wherein: the crankshaft surface is marked with scale values.