CN102706797B - Mechanical system of device for measuring rebound rate of football on football playground - Google Patents
Mechanical system of device for measuring rebound rate of football on football playground Download PDFInfo
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- CN102706797B CN102706797B CN201210186252.9A CN201210186252A CN102706797B CN 102706797 B CN102706797 B CN 102706797B CN 201210186252 A CN201210186252 A CN 201210186252A CN 102706797 B CN102706797 B CN 102706797B
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Abstract
The invention relates to a mechanical system of a device for measuring the rebound rate of a football on the football playground. The mechanical system mainly comprises four parts including a base, a lifting mechanism, a clamping mechanism and a measuring support seat, wherein the lifting mechanism is arranged on the base, consists of an upper lifting assembly and a lower lifting assembly which are identical in structure and is used for pushing the football and the clamping mechanism to the specified height; the clamping mechanism is arranged at the top of the lifting mechanism and is used for clamping and releasing the football; the measuring support seat is arranged on the base; and sensors for measuring are respectively arranged on two sides of the upper part of the measuring support seat. According to the mechanical system disclosed by the invention, the requirements on measurement of the rebound rates of the footballs in various football playgrounds can be met; and the mechanical system has the characteristics of reliable performance, concise structure, convenience in operation and the like.
Description
Technical field
The present invention relates to pitch football bounce-back rate measuring technique, concrete, relate to a kind of mechanical system of pitch football bounce-back rate measurement mechanism.
Background technology
Football bounce-back rate, be that football Vertical Free falls to the height rebounding behind surface, place and the number percent that starts height of drop, be to detect a whether qualified important indicator of pitch, State Standard of the People's Republic of China < < natural material sports field request for utilization and method of inspection > > (GB/T 19995.1-2005) have made clear and definite regulation to the computing method of pitch football bounce-back rate.But up to now, the domestic measurement to pitch football bounce-back rate still adopts traditional manual type, to pitch football bounce-back rate measurement mechanism, particularly its mechanical system research, seldom, can not meet the demand that pitch develops rapidly.
Summary of the invention
The object of the present invention is to provide a kind of mechanical system of pitch football bounce-back rate measurement mechanism, this mechanical system can effectively meet the needs that natural lawn and artificial lawn pitch football bounce-back rate are measured, and has dependable performance, the feature such as simple for structure, easy to operate.
The technical solution used in the present invention is: a kind of mechanical system of pitch football bounce-back rate measurement mechanism, comprising: base; Lifting mechanism, is arranged on described base, and the upper and lower lift assemblies identical by structure forms, for football and clamping device are pushed to specified altitude; Clamping device, is arranged on the top of described lifting mechanism, for clamping and the release of football; Measure bearing, be arranged on described base, measuring sensor is equipped with in its both sides, top.
Further, described base comprises: base plate, and its outside surrounding is provided with four screw mounting holes, and middle part is provided with a level meter mounting groove; Four foot screws, are arranged on respectively in four screw mounting holes of described base plate, and position is adjustable; Level meter, is arranged in the level meter mounting groove of described base plate.By eye-level instrument and adjust foot screw, can make the base can assurance level in any position of pitch.
Further, described lifting mechanism is comprised of the identical upper and lower lift assemblies of structure, and described lower lift assemblies is arranged on the base plate middle part of described base, and described upper lift assemblies is arranged on the top of described lower lift assemblies, two lift assemblies liftings simultaneously, also can control separately;
Further, the upper and lower lift assemblies that described structure is identical includes: lower fixed seat, be short cylindrical shape, and axis hole is supported in uniform four of outside, and is provided with lightening grooves and a plurality of lightening hole; Upper fixed seat, is and the isodiametric short cylindrical shape of described lower fixed seat, uniform four the support axis holes corresponding with described lower fixed seat in outside, four guiding axis holes and corresponding four groups of linear bearing mounting holes; Back shaft, four, two ends are separately fixed in the support axis hole of described lower fixed seat and fixed seat, and it stretches out 10mm in described lower fixed seat one side; Mobile base, be and the isodiametric short cylindrical shape of described upper and lower holder, uniform four the guiding axis holes corresponding with fixed seat in outside and four support axis holes corresponding with described lower fixed seat, can be with respect to described upper and lower holder traveling priority after assembling; Linear bearing, four, middle part is provided with cylinder hole shape slideway, and is fixed by screws in respectively fixed seat bottom bearing mounting hole place; The axis of guide, four, one end is separately fixed in the guiding axis hole of described Mobile base, and the other end stretches into respectively in the cylinder hole shape slideway of described linear bearing, forms moving sets with described linear bearing; Shell, is thin walled cylindrical, and outside is provided with reinforcement to increase the rigidity of shell, and upper and lower end is separately fixed on described upper and lower holder by screw; Upper and lower electric pushrod bearing, is bolted on respectively the middle part of described lower fixed seat and described Mobile base; Electric pushrod, upper and lower end is hinged with described upper and lower electric pushrod bearing respectively by pin.In electric pushrod motion process, the described axis of guide and described linear bearing play the guiding role, and described electric pushrod only bears axial force, have both guaranteed the reliability of electric pushrod motion, have extended again its serviceable life.
Further, described clamping device comprises: forward and backward web joint, and structure is identical, and its both sides are equipped with axis hole, middle part is provided with described upper lift assemblies Mobile base and supports the corresponding projecting shaft of axis hole, and by this projecting shaft, is arranged on the Mobile base of described upper lift assemblies; Left and right back shaft, through the axis hole of described forward and backward web joint both sides, forms moving sets with described forward and backward web joint respectively; Clamper front supporting plate, two ends are provided with clamper axis hole, and inner side is provided with support axis hole, and by shaft stool, is fixed on one end of described back shaft; Clamper rear carrier plate, two ends are provided with the clamper axis hole corresponding with described clamper front supporting plate; Left and right clamper axle, the clamper axis hole of described clamper front supporting plate and described clamper rear carrier plate is passed respectively at two ends, and is fixed on described clamper front supporting plate and described clamper rear carrier plate by shaft stool; Forward and backward clamper, structure is identical, shaft hole sleeve by both sides is contained on described left and right clamper axle respectively, with its formation moving sets, and between described clamper front supporting plate and described clamper rear carrier plate, the shape of clamper and size design according to standard football, guarantee the accurate clamping of football and unclamp; Forward and backward electromagnet, is fixed by screws in respectively the middle part of described clamper front supporting plate and described clamper rear carrier plate, for controlling clamper, unclamps; Back-moving spring, four, be sleeved on left and right clamper axle, lay respectively between described clamper front supporting plate, clamper rear carrier plate and described forward and backward clamper, for the reset of clamper after electromagnet dead electricity; Balancing weight, by the shaft hole sleeve of both sides, be contained in the front end of described left and right back shaft, be respectively in the both sides of described lifting mechanism with described clamper, its position is adjustable with respect to described back shaft, for guaranteeing that the center of gravity of whole clamping device drops on lifting mechanism, the moment of flexure of bearing to reduce lifting mechanism, improves running stability.
Further, described measurement bearing comprises: mount pad, by orthogonal two flat boards, formed, and between two flat boards, be separately provided with reinforcement to improve rigidity, and be bolted on the base plate of described base; Measure support, be bolted on described mount pad top, its external part is provided with installation of sensors hole.The installation site of measuring support and sensor is all adjustable, to meet the measurement needs in multiple situation.
The present invention has the following advantages:
1, adopted modularization, portable mentality of designing, base, upper and lower lift assemblies, clamping device, measurement bearing are all designed to individual components, and before using, only need carry out simple operations just can be assembled into complete machine;
2, floor installation level meter, adopt four foot screws to support, be convenient to adjust;
3, lifting mechanism is formed by the identical upper and lower lift assemblies serial connection of structure, and two assemblies both can single movement, and concurrently-acting, can provide multiple lifting speed again;
4, clamping device position is adjustable with respect to the distance of lifting mechanism;
5, the installation site of measurement support and sensor is all adjustable.
Accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present invention;
Fig. 2 is understructure schematic diagram of the present invention;
Fig. 3 is lower lift assemblies structural representation of the present invention;
Fig. 4 is clamping device structural representation of the present invention;
Fig. 5 is measurement seat structure schematic diagram of the present invention.
Description of reference numerals:
1-base; 2-lifting mechanism; 3-clamping device; 4-measures bearing; 11-base plate; 12-foot screw; 13-level meter; 21-lower fixed seat; 22-upper fixed seat; 23-back shaft; 24-Mobile base; 25-linear bearing; The 26-axis of guide; 27-electric pushrod bearing; 28-electric pushrod; 29-shell; 31-web joint; 32-back shaft; 33-clamper front supporting plate; 34-clamper rear carrier plate; 35-clamper axle; 36 clampers; 37-electromagnet; 38-back-moving spring; 39-balancing weight; 41-mount pad; 42-measures support; 43-sensor.
Embodiment
Below by accompanying drawing and example, the present invention is described in further detail.
As Figure 1-5, the present invention includes: base 1; Lifting mechanism 2, is arranged on base 1, and the upper and lower lift assemblies identical by structure forms; Clamping device 3, is arranged on the top of lifting mechanism 2; Measure bearing 4, be arranged on base 1, its top one side is equipped with measuring sensor 43.
Wherein, base 1 comprises: base plate 11, and its outside surrounding is provided with four screw mounting holes, and middle part is provided with a level meter mounting groove; Four foot screws 12, are arranged on respectively in four screw mounting holes of base plate 11, and position is adjustable; Level meter 13, is arranged in the level meter mounting groove of base plate 11.
Wherein, lifting mechanism 2 is comprised of the identical upper and lower lift assemblies of structure, and lower lift assemblies is arranged on base plate 11 middle parts of described base 1, and upper lift assemblies is arranged on the top of described lower lift assemblies.
Wherein, upper and lower lift assemblies includes: lower fixed seat 21, be short cylindrical shape, and axis hole is supported in uniform four of outside, and is provided with lightening grooves and a plurality of lightening hole; Upper fixed seat 22, is and the isodiametric short cylindrical shape of lower fixed seat 21, uniform four the support axis holes corresponding with lower fixed seat 21 in outside, four guiding axis holes and corresponding four groups of linear bearing mounting holes; 23, four of back shafts, two ends are separately fixed in the support axis hole of lower fixed seat 21 and upper fixed seat 22, and it stretches out 10mm in lower fixed seat one side; Mobile base 24, be and upper and lower holder 21,22 isodiametric short cylindrical shape, uniform four the guiding axis holes corresponding with upper fixed seat 22 in outside and four support axis holes corresponding with lower fixed seat 21, can be with respect to upper and lower holder 21,22 traveling priorities after assembling; 25, four of linear bearings, middle part is provided with cylinder hole shape slideway, and is fixed by screws in respectively upper fixed seat 22 bottom bearing mounting hole places; 26, four of the axis of guides, one end is separately fixed in the guiding axis hole of Mobile base 24, and the other end stretches into respectively in the cylinder hole shape slideway of linear bearing 25, forms moving sets with linear bearing 25; Upper and lower electric pushrod bearing 27, is bolted on respectively the middle part of lower fixed seat 21 and Mobile base 24; Electric pushrod 28, upper and lower end is hinged with upper and lower electric pushrod bearing 27 respectively by pin; Shell 29, is thin walled cylindrical, and outside is provided with reinforcement, and upper and lower end is separately fixed on upper and lower holder 21,22 by screw.
Wherein, clamping device 3 comprises: forward and backward web joint 31, and structure is identical, and its both sides are equipped with axis hole, middle part is provided with upper lift assemblies Mobile base 24 and supports the corresponding projecting shaft of axis hole, and by this projecting shaft, is arranged on the Mobile base 24 of described upper lift assemblies; Left and right back shaft 32, through the axis hole of forward and backward web joint 31 both sides, forms moving sets with forward and backward web joint 31 respectively; Clamper front supporting plate 33, two ends are provided with clamper axis hole, and inner side is provided with support axis hole, and by shaft stool, is fixed on one end of back shaft 32; Clamper rear carrier plate 34, two ends are provided with the clamper axis hole corresponding with clamper front supporting plate 33; Left and right clamper axle 35, the clamper axis hole of clamper front supporting plate 33 and clamper rear carrier plate 34 is passed respectively at two ends, and is fixed on clamper front supporting plate 33 and clamper rear carrier plate 34 by shaft stool; Forward and backward clamper 36, structure is identical, and the shaft hole sleeve by both sides is contained on left and right clamper axle 35 respectively, with its formation moving sets, and between clamper front supporting plate 33 and clamper rear carrier plate 34; Forward and backward electromagnet 37, is fixed by screws in respectively the middle part of clamper front supporting plate 33 and clamper rear carrier plate 34; Back-moving spring 38, totally four, be sleeved on left and right clamper axle 35, lay respectively between clamper front supporting plate 33, clamper rear carrier plate 34 and forward and backward clamper 36; Balancing weight 39, is contained in the front end of left and right back shaft 32 by the shaft hole sleeve of both sides, the ，Qi position, both sides that is respectively in lifting mechanism 2 with clamper 36 is adjustable with respect to back shaft 32.
Wherein, measure bearing 4 and comprise: mount pad 41, by orthogonal two flat boards, formed, between two flat boards, be separately provided with reinforcement, be bolted on the base plate 11 of described base 1; Measure support 42, be bolted on described mount pad 41 tops, its external part is provided with a plurality of installation of sensors hole.
Concrete steps when the present invention uses are:
1, base 1, lower lift assemblies, upper lift assemblies, clamping device 3, measurement bearing 4 are assembled into complete machine;
2, adjust base 1 level;
3, football is placed on clamper 36 and clamps;
4, the electric pushrod 28 of controlling lifting mechanism 2 stretches out, and football and clamping device 3 are pushed to 3 meters of of specified altitude;
5, give electromagnet 37 energisings, clamper 36 opens, and football Vertical Free falls;
6, the sensor measurement being arranged on the measurement support 42 of measuring bearing 4 goes out the maximum height of football bounce-back, according to Measurement Algorithm, calculates football bounce-back rate;
7, electromagnet 37 power-off, clamper 36 resets under the effect of back-moving spring 38;
8, the electric pushrod 28 of controlling lifting mechanism 2 is retracted, and clamping device 3 restPoses, and waits for next time and measures.
Claims (4)
1. a mechanical system for pitch football bounce-back rate measurement mechanism, is characterized in that, comprising:
Base;
Lifting mechanism, is arranged on described base, and the upper and lower lift assemblies identical by structure forms;
Clamping device, is arranged on the top of described lifting mechanism;
Measure bearing, be arranged on described base, measuring sensor is equipped with in its both sides, top;
The upper and lower lift assemblies that described structure is identical includes:
Lower fixed seat, is short cylindrical shape, and axis hole is supported in uniform four of outside, and is provided with lightening grooves and a plurality of lightening hole; Upper fixed seat, is and the isodiametric short cylindrical shape of described lower fixed seat, uniform four the support axis holes corresponding with described lower fixed seat in outside, four guiding axis holes and corresponding four groups of linear bearing mounting holes;
Back shaft, four, two ends are separately fixed in the support axis hole of described lower fixed seat and fixed seat, and it stretches out 10mm in described lower fixed seat one side;
Mobile base, be and the isodiametric short cylindrical shape of described upper and lower holder, uniform four the guiding axis holes corresponding with fixed seat in outside and four support axis holes corresponding with described lower fixed seat, can be with respect to described upper and lower holder traveling priority after assembling;
Linear bearing, four, middle part is provided with cylinder hole shape slideway, and is fixed by screws in respectively fixed seat bottom bearing mounting hole place;
The axis of guide, four, one end is separately fixed in the guiding axis hole of described Mobile base, and the other end stretches into respectively in the cylinder hole shape slideway of described linear bearing, forms moving sets with described linear bearing;
Upper and lower electric pushrod bearing, is bolted on respectively the middle part of described lower fixed seat and described Mobile base; Electric pushrod, upper and lower end is hinged with described upper and lower electric pushrod bearing respectively by pin;
Shell, is thin walled cylindrical, and outside is provided with reinforcement, and upper and lower end is separately fixed on described upper and lower holder by screw.
2. mechanical system according to claim 1, is characterized in that, described base comprises:
Base plate, its outside surrounding is provided with four screw mounting holes, and middle part is provided with a level meter mounting groove;
Four foot screws, are arranged on respectively in four screw mounting holes of described base plate, and setting height(from bottom) is adjustable;
Level meter, is arranged in the level meter mounting groove of described base plate.
3. mechanical system according to claim 1, is characterized in that, described clamping device comprises:
Forward and backward web joint, structure is identical, and its both sides are equipped with axis hole, and middle part is provided with described upper lift assemblies Mobile base and supports the corresponding projecting shaft of axis hole, and by this projecting shaft, is arranged on the Mobile base of described upper lift assemblies;
Left and right back shaft, through the axis hole of described forward and backward web joint both sides, forms moving sets with described forward and backward web joint respectively;
Clamper front supporting plate, two ends are provided with clamper axis hole, and inner side is provided with support axis hole, and by shaft stool, is fixed on one end of described back shaft;
Clamper rear carrier plate, two ends are provided with the clamper axis hole corresponding with described clamper front supporting plate;
Left and right clamper axle, the clamper axis hole of described clamper front supporting plate and described clamper rear carrier plate is passed respectively at two ends, and is fixed on described clamper front supporting plate and described clamper rear carrier plate by shaft stool;
Forward and backward clamper, structure is identical, and the shaft hole sleeve by both sides is contained on described left and right clamper axle respectively, with its formation moving sets, and between described clamper front supporting plate and described clamper rear carrier plate;
Forward and backward electromagnet, is fixed by screws in respectively the middle part of described clamper front supporting plate and described clamper rear carrier plate;
Back-moving spring, four, be sleeved on described left and right clamper axle, lay respectively between described clamper front supporting plate, clamper rear carrier plate and described forward and backward clamper;
Balancing weight, is contained in the front end of described left and right back shaft by the shaft hole sleeve of both sides, the ，Qi position, both sides that is respectively in described lifting mechanism with described clamper is adjustable with respect to described back shaft.
4. mechanical system according to claim 1, is characterized in that, described measurement bearing comprises:
Mount pad, consists of orthogonal two flat boards, is separately provided with reinforcement between two flat boards, is bolted on the base plate of described base;
Measure support, be bolted on described mount pad top, its external part is provided with installation of sensors hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210186252.9A CN102706797B (en) | 2012-06-08 | 2012-06-08 | Mechanical system of device for measuring rebound rate of football on football playground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210186252.9A CN102706797B (en) | 2012-06-08 | 2012-06-08 | Mechanical system of device for measuring rebound rate of football on football playground |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102706797A CN102706797A (en) | 2012-10-03 |
| CN102706797B true CN102706797B (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210186252.9A Expired - Fee Related CN102706797B (en) | 2012-06-08 | 2012-06-08 | Mechanical system of device for measuring rebound rate of football on football playground |
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| CN (1) | CN102706797B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487321B (en) * | 2013-10-09 | 2015-08-12 | 聊城大学 | A kind of ball clamping device measuring Football Field Turf ball rebound rate |
| CN103499939A (en) * | 2013-10-09 | 2014-01-08 | 聊城大学 | Football field football rebound rate detecting instrument control system |
| CN104865143B (en) * | 2014-02-25 | 2017-06-30 | 聊城大学 | A kind of portable pitch football rebound rate detection means |
| CN105527187A (en) * | 2015-12-31 | 2016-04-27 | 聊城大学 | A portable football rebound rate detector for a football court |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86204839U (en) * | 1986-07-11 | 1987-09-16 | 机械工业部长春试验机研究所 | Rebound-measuring instrument for falling ball |
| CN2921821Y (en) * | 2006-03-14 | 2007-07-11 | 华东理工大学 | Ground ball rebound tester |
| CN200952988Y (en) * | 2006-06-14 | 2007-09-26 | 全国畜牧总站 | Lawn resilience meter |
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2012
- 2012-06-08 CN CN201210186252.9A patent/CN102706797B/en not_active Expired - Fee Related
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| CN102706797A (en) | 2012-10-03 |
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Application publication date: 20121003 Assignee: Liaocheng Xintai Machine Tool Co., Ltd. Assignor: Liaocheng University Contract record no.: 2015370000039 Denomination of invention: Mechanical system of device for measuring rebound rate of football on football playground Granted publication date: 20140219 License type: Exclusive License Record date: 20150319 |
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Granted publication date: 20140219 Termination date: 20200608 |
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