CN207425205U - A kind of sports instructional device - Google Patents
A kind of sports instructional device Download PDFInfo
- Publication number
- CN207425205U CN207425205U CN201721133693.7U CN201721133693U CN207425205U CN 207425205 U CN207425205 U CN 207425205U CN 201721133693 U CN201721133693 U CN 201721133693U CN 207425205 U CN207425205 U CN 207425205U
- Authority
- CN
- China
- Prior art keywords
- pedestal
- pulling force
- angular transducer
- instructional device
- axle sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of sports instructional devices, pedestal including being provided with moving structure, lifting support frame is provided with above pedestal, lifting support frame top is provided with the launching cradle of U-shaped, axle sleeve is provided on the side wall of launching cradle, shaft is provided in the axis hole of axle sleeve, one end that shaft is on the inside of launching cradle is connected with to project the elasticity ejection band of sphere, elasticity ejection, which takes, is provided with pulling force sensor, the other end of shaft is provided with angular transducer, power supply and the singlechip controller being connected with power supply are provided on pedestal, the angular transducer, pulling force sensor is connected with singlechip controller.The utility model cannot be only used for the teaching demonstration of ball game, and elastic force and crevice projection angle when pulling force sensor and angular transducer can accurately calculate projection, convenient for the analysis and research further imparted knowledge to students；And delivery altitude can be controlled by lifting support frame, further expand the demonstration scope of teaching demonstration, have very big application prospect.
Description
Technical field
The utility model is related to a kind of projection apparatus for demonstrating, particularly relate to a kind of physical culture projection movement instructional device.
Background technology
With the promotion and popularization of sports, attention of the people to health, sports in addition are increasingly subject to vigorously
It meets, physical training item types are numerous, not only have certain danger for the sports that intensity is big, movement is fierce, and
And with craftsmenship, necessary progress analog demenstration, which is tested, before this kind of sports item is carried out is learnt, Ran Houzai
It is targetedly trained according to the data of simulated experiment, such as the movements such as shot, football, basketball carry out this with regard to necessary
The analog demenstration experiment of sample tests recordable crevice projection angle, projection strength etc., convenient for games master to student by analog demenstration
The guidance of carry out science, but in the prior art without the device of ball game analog demenstration experiment.
Utility model content
The utility model is to solve the problems, such as that in the prior art ball sport can not be carried out analog demenstration teaching, and
A kind of sports instructional device is disclosed.
To achieve the above object, technical solution is used by the utility model：A kind of sports instructional device, including
Pedestal, pedestal lower section are provided with moving structure, are provided with lifting support frame above pedestal, lifting support frame top is provided with U-shaped
Launching cradle, be provided with axle sleeve on the side wall of launching cradle, shaft be provided in the axis hole of axle sleeve, shaft is on the inside of launching cradle
One end is connected with to project the elasticity ejection band of sphere, and elasticity ejection, which takes, is provided with pulling force sensor, the other end of shaft
Angular transducer is provided with, power supply and the singlechip controller being connected with power supply, the angle sensor are provided on the pedestal
Device, pulling force sensor are connected with singlechip controller.
Further, the periphery of the axle sleeve is fixed frame, and the direction that is angularly provided in the radial direction of fixed frame turns
Axis axle center and with axle sleeve mutually from block column, block column is connected with moving fault relay, and the periphery of block column is provided with support shaft
The plastics spring of set, angular transducer, axle sleeve, block column, moving fault relay and singlechip controller form angular transducer
Control loop.
Further, the moving structure is the roller group being arranged below pedestal, and the roller group is including two groups and every
Three idler wheels of group, two groups of roller groups are separately positioned on front side and the rear side of pedestal, rotating direction and the elasticity ejection band of idler wheel
Direction of ejection is perpendicular.
Further, the moving structure includes the wheel carrier being arranged on pedestal, and idler wheel and work are set between the wheel carrier
Bolt is moved, is provided with and the matched mounting hole of movable latch on the idler wheel.
Further, there are two the pulling force sensor is set, two pulling force sensors are separately positioned on elasticity ejection band
Both sides, and two pulling force sensors are symmetrical.
Further, it is provided with to show the display screen of pulling force data and angle-data on the lifting support, it is described
Display screen is connected with pulling force sensor, angular transducer and singlechip controller.
Further, the lifting support frame includes fixed seat and hydraulic lifting arm, and fixed seat is mounted on the center of pedestal
Position, hydraulic lifting arm are vertically arranged in fixed seat, and launching cradle is arranged on the top of hydraulic lifting arm.
Further, it is identified with altitude scale line on the hydraulic lifting arm.
A kind of sports instructional device of the utility model is rational in infrastructure, and it is new convenient for this practicality to be provided with the pedestal of idler wheel
Type easily shift position expands the scope of application of the utility model indirectly；The rotating direction of idler wheel is arranged to and launched
Direction is perpendicular, it is ensured that the stability of the utility model when in use avoids the utility model in ejection that position occurs
Mobile, the movable latch of the idler wheel of setting may further ensure that stability of the utility model in ejection；Pulling force is set to pass
Sensor and angular transducer can record the size and flip angle of ejection force, convenient for on-the-spot teaching, also allow for simultaneously exactly
Storage stays shelves to analyze and research；It sets moving fault relay that can ensure the accuracy of measurement of angular transducer, avoids drawing
Rocking during turn axis causes excessive outer corner measurement error；In the utility model lifting support frame is set to be convenient for from different height
On carry out ejection experiment, on lifting support frame set altitude scale line, available for record from different height launched when
Ejection situation；The utility model is simple in structure, highly practical, can demonstrate, record and study movement when ball game is served a ball
Rule carries out corresponding athletic training so as to scientifically instruction of papil, and the utility model has very big popularization and application valency
Value.
Description of the drawings
It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of the utility model embodiment
It is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of side structure schematic view of sports instructional device；
Fig. 2 is a kind of positive structure diagram of sports instructional device；
Fig. 3 is the side structure schematic diagram of launching cradle in Fig. 1.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the reality of the utility model part of the embodiment rather than whole
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute under the premise of not making the creative labor
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1 to Figure 3, embodiment 1, a kind of sports instructional device, the pedestal 1 including rectangle, under pedestal 1
Side is provided with moving structure 2, and moving structure 2 is the roller group for being arranged on 1 lower section of pedestal, and the roller group includes two groups and every group
If there are three idler wheel 201, two groups of idler wheels are separately positioned on front side and the rear side of pedestal 1, and the moving structure 2 includes being fixed on bottom
Wheel carrier 202 on seat 1 sets idler wheel 201 and movable latch 203 between the wheel carrier 202, be provided on the idler wheel 201 with
203 matched mounting hole 204 of movable latch.
1 top of pedestal is provided with lifting support frame 3, and lifting support frame 3 includes fixed seat 301 and hydraulic lifting arm
302, fixed seat 301 is mounted on the center of 1 top of pedestal, and hydraulic lifting arm 302 is vertically arranged in fixed seat 301, liquid
It presses and is identified with altitude scale line 310 on the axial direction of elevating lever 302,302 top of hydraulic lifting arm is provided with the launching cradle of U-shaped
303, axle sleeve 304 is provided on the side wall of launching cradle 303, shaft 305 is provided in the axis hole of axle sleeve 304, shaft 305 is in bullet
The one end for penetrating 303 inside of frame is connected with to project the elasticity ejection band 306 of sphere, and the both sides of elasticity ejection band 306 are provided with
It is respectively arranged with two symmetrical pulling force sensors 307, the direction of ejection of the rotating direction and elasticity ejection band 306 of idler wheel 201
It is perpendicular.
The other end of the shaft 305 is provided with angular transducer 308, and power supply and and power supply are provided on the pedestal 1
The singlechip controller 102 of connection, the angular transducer 308, pulling force sensor 307 are connected with singlechip controller 102.
It is provided with to show the display screen 320 of pulling force data and flip angle data, the display screen on the hydraulic lifting arm 302
320 are connected with pulling force sensor 307, angular transducer 308 and singlechip controller 102.
Embodiment 2, the periphery of the axle sleeve 304 is fixed frame 330, and being provided in the radial direction for fixed frame 330 is several
A axle center for being directed toward shaft 305 and with 304 phase of axle sleeve from block column 315, block column 315 and moving fault relay 325 it is outer
Contact head is connected, and the periphery of block column 315 is provided with the plastics spring 335 of support sleeve 304, the angular transducer 308,
The control that axle sleeve 304, block column 315, moving fault relay 325 and singlechip controller 102 form angular transducer 308 is returned
Road.After elasticity ejection band is pulled to turn an angle first, then tension elasticity ejection band, which can access moving fault relay, controls
Circuit processed, and then angular transducer is controlled to stop outer corner measurement, then it can avoid when pulling elasticity ejection band outer corner measurement being caused to miss
Difference is excessive.
The other structures of the present embodiment are same as Example 1.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modifications, equivalent replacements and improvements are made should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of sports instructional device, it is characterised in that：Including pedestal（1）, pedestal（1）Lower section is provided with moving structure
（2）, pedestal（1）Top is provided with lifting support frame（3）, lifting support frame（3）Top is provided with the launching cradle of U-shaped（303）, bullet
Penetrate frame（303）Side wall on be provided with axle sleeve（304）, axle sleeve（304）Axis hole in be provided with shaft（305）, shaft（305）Place
In launching cradle（303）One end of inside is connected with to project the elasticity ejection band of sphere（306）, elasticity ejection band（306）On
It is provided with pulling force sensor（307）, shaft（305）The other end be provided with angular transducer（308）, the pedestal（1）On set
It is equipped with power supply and the singlechip controller being connected with power supply（102）, the angular transducer（308）, pulling force sensor（307）
With singlechip controller（102）It is connected.
2. a kind of sports instructional device according to claim 1, it is characterised in that：The axle sleeve（304）Periphery
For fixed frame（330）, fixed frame（330）Be angularly provided with direction shaft in the radial direction（305）Axle center and and axle sleeve
（304）Mutually from block column（315）, block column（315）It is connected with moving fault relay（325）, block column（315）Periphery set
It is equipped with support sleeve（304）Plastics spring（335）, angular transducer（308）, axle sleeve（304）, block column（315）, moving fault
Relay（325）And singlechip controller（102）Form angular transducer（308）Control loop.
3. a kind of sports instructional device according to claim 1, it is characterised in that：The moving structure（2）To set
It puts in pedestal（1）The roller group of lower section, the roller group are set including two groups and every group there are three idler wheel（201）, two groups of roller groups
It is separately positioned on pedestal（1）Front side and rear side, idler wheel（201）Rotating direction with elasticity ejection band（306）Direction of ejection
It is perpendicular.
4. a kind of sports instructional device according to claim 3, it is characterised in that：The moving structure（2）Including
It is arranged on pedestal（1）On wheel carrier（202）, the wheel carrier（202）Between idler wheel is set（201）And movable latch（203）, it is described
Idler wheel（201）On be provided with and movable latch（203）Matched mounting hole（204）.
5. a kind of sports instructional device according to claim 1, it is characterised in that：The pulling force sensor（307）
There are two settings, two pulling force sensors（307）It is separately positioned on elasticity ejection band（306）Both sides, and two pull sensing
Device（307）It is symmetrical.
6. according to a kind of sports instructional device of claim 1-5 any one of them, it is characterised in that：The lifting support
（3）On be provided with to show the display screen of pulling force data and angle-data（320）, the display screen（320）With pull sensing
Device（307）, angular transducer（308）And singlechip controller（102）It is connected.
7. a kind of sports instructional device according to claim 6, it is characterised in that：The lifting support frame（3）Bag
Include fixed seat（301）And hydraulic lifting arm（302）, fixed seat（301）Mounted on pedestal（1）Center, hydraulic lifting arm
（302）It is vertically arranged in fixed seat（301）On, launching cradle（303）It is arranged on hydraulic lifting arm（302）Top.
8. a kind of sports instructional device according to claim 7, it is characterised in that：The hydraulic lifting arm（302）
On be identified with altitude scale line（310）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721133693.7U CN207425205U (en) | 2017-09-06 | 2017-09-06 | A kind of sports instructional device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721133693.7U CN207425205U (en) | 2017-09-06 | 2017-09-06 | A kind of sports instructional device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207425205U true CN207425205U (en) | 2018-05-29 |
Family
ID=62315849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721133693.7U Expired - Fee Related CN207425205U (en) | 2017-09-06 | 2017-09-06 | A kind of sports instructional device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207425205U (en) |
-
2017
- 2017-09-06 CN CN201721133693.7U patent/CN207425205U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 Termination date: 20190906 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |