CN102706797A - 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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- CN102706797A CN102706797A CN2012101862529A CN201210186252A CN102706797A CN 102706797 A CN102706797 A CN 102706797A CN 2012101862529 A CN2012101862529 A CN 2012101862529A CN 201210186252 A CN201210186252 A CN 201210186252A CN 102706797 A CN102706797 A CN 102706797A
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- clamper
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- fixed seat
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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 vertical freely fall height that behind the ground surface of field, rebounds and the number percent that begins height of drop of football; Be to detect a whether qualified important indicator of pitch, State Standard of the People's Republic of China's " request for utilization of natural material sports field and method of inspection " (GB/T 19995.1-2005) has made clear and definite regulation to the computing method of pitch football bounce-back rate.But up to now, the conventional artificial mode is still adopted in domestic measurement to pitch football bounce-back rate, seldom can not satisfy the demand that the pitch develops rapidly to pitch football bounce-back rate measurement mechanism, particularly its mechanical system research.
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 satisfy the needs that natural lawn and artificial lawn pitch football bounce-back rate are measured, and has dependable performance, characteristics such as simple for structure, easy to operate.
The technical scheme that the present invention adopts is: a kind of mechanical system of pitch football bounce-back rate measurement mechanism comprises: base; Lifting mechanism is installed on the said base, is made up of the upper and lower lift assemblies that structure is identical, is used for football and clamping device are pushed to specified altitude; Clamping device is installed in the top of said lifting mechanism, is used for the clamping and the release of football; Measure bearing, be installed on the said base, measuring sensor is equipped with in its both sides, top.
Further, said base comprises: base plate, be provided with four screw mounting holes around its outside, and the middle part is provided with a level meter mounting groove; Four foot screws are installed in four screw mounting holes of said base plate adjustable positions respectively; Level meter is installed in the level meter mounting groove of said base plate.Through the eye-level appearance and adjust foot screw, can make the base can both the assurance level in any position of pitch.
Further; Said lifting mechanism is made up of the identical upper and lower lift assemblies of structure, and said lift assemblies down is installed in the base plate middle part of said base, and the said lift assemblies that goes up is installed in the said top of lift assemblies down; Two lift assemblies liftings simultaneously also can be controlled separately;
Further, the upper and lower lift assemblies that said structure is identical includes: lower fixed seat, be short cylindrical shape, and the outside is uniformly distributed with four and supports axis hole, and is provided with loss of weight groove and a plurality of lightening hole; Upper fixed seat is and the isodiametric short cylindrical shape of said lower fixed seat, and the outside is uniformly distributed with four and the corresponding support axis hole of said lower fixed seat, 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 said lower fixed seat and said upper fixed seat, and it stretches out 10mm in said lower fixed seat one side; Move seat; Be and the isodiametric short cylindrical shape of said upper and lower holder; The outside is uniformly distributed with four and the corresponding guiding axis hole of said upper fixed seat and four and the corresponding support axis hole of said lower fixed seat, can move with respect to said upper and lower holder straight line after the assembling; Linear bearing, four, the middle part is provided with cylinder hole shape slideway, and passes through screw retention respectively at said upper fixed seat bottom bearing mounting hole place; The axis of guide, four, an end is separately fixed in the guiding axis hole of said mobile seat, and the other end stretches into respectively in the cylinder hole shape slideway of said linear bearing, forms moving sets with said linear bearing; Shell is thin walled cylindrical, and the outside is provided with reinforcement to increase the rigidity of shell, and upper and lower end is separately fixed on the said upper and lower holder through screw; Upper and lower electric pushrod bearing is respectively through being bolted to the middle part of said lower fixed seat and said mobile seat; Electric pushrod, upper and lower end is hinged with said upper and lower electric pushrod bearing respectively through pin.In the electric pushrod motion process, the said axis of guide and said linear bearing play the guiding role, and said electric pushrod only bears axial force, have both guaranteed the reliability of electric pushrod motion, have prolonged its serviceable life again.
Further; Said clamping device comprises: forward and backward web joint, and structure is identical, and its both sides are equipped with axis hole; The middle part is provided with the said lift assemblies that goes up and moves the corresponding projecting shaft of seat supports axis hole, and is installed on the mobile seat of said upward lift assemblies through this projecting shaft; Left and right back shaft passes the axis hole of said forward and backward web joint both sides respectively, forms moving sets with said forward and backward web joint; Clamper front supporting plate, two ends are provided with the clamper axis hole, and the inboard is provided with the support axis hole, and are fixed on an end of said back shaft through shaft stool; Clamper rear carrier plate, two ends are provided with and the corresponding clamper axis hole of said clamper front supporting plate; Left and right clamper axle, two ends pass the clamper axis hole of said clamper front supporting plate and said clamper rear carrier plate respectively, and are fixed on said clamper front supporting plate and the said clamper rear carrier plate through shaft stool; Forward and backward clamper; Structure is identical; Shaft hole sleeve through both sides is contained on the said left and right clamper axle respectively, with its formation moving sets, and is between said clamper front supporting plate and the said clamper rear carrier plate; The shape of clamper and size design according to the standard football, the accurate clamping that guarantees football with unclamp; Forward and backward electromagnet passes through screw retention respectively at the middle part of said clamper front supporting plate and said clamper rear carrier plate, is used to control clamper and unclamps; Back-moving spring, four, be sleeved on the left and right clamper axle, lay respectively between said clamper front supporting plate, clamper rear carrier plate and the said forward and backward clamper, be used for resetting of clamper after the electromagnet dead electricity; Balancing weight; Be contained in the front end of said left and right back shaft through the shaft hole sleeve of both sides; Be respectively in the both sides of said lifting mechanism with said clamper, its position is adjustable with respect to said back shaft, is used to guarantee that the center of gravity of whole clamping device drops on lifting mechanism; To reduce the moment of flexure that lifting mechanism bears, improve running stability.
Further, said measurement bearing comprises: mount pad, constitute by orthogonal two flat boards, and be provided with reinforcement between two flat boards in addition with raising rigidity, and through on the base plate that is bolted to said base; Measurement bracket, through being bolted to said mount pad top, its external part is provided with the sensor mounting hole.The installation site of measurement bracket and sensor is all adjustable, to satisfy the measurement needs under the 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 all are designed to individual components, and only need carry out simple operations just can be assembled into complete machine before using;
2, base has been installed level meter, adopts four foot screws to support, and is convenient to adjustment;
3, lifting mechanism is formed by the identical upper and lower lift assemblies serial connection of structure, but both single movement of two assemblies, and concurrently-acting can provide multiple lifting speed again;
4, the clamping device position is adjustable with respect to the distance of lifting mechanism;
5, the installation site of measurement bracket and sensor is all adjustable.
Description of drawings
Fig. 1 is a general structure synoptic diagram of the present invention;
Fig. 2 is a understructure synoptic diagram of the present invention;
Fig. 3 is a lift assemblies structural representation down of the present invention;
Fig. 4 is a clamping device structural representation of the present invention;
Fig. 5 is a measurement seat structure synoptic diagram of the present invention.
Description of reference numerals:
The 1-base; The 2-lifting mechanism; The 3-clamping device; 4-measures bearing; The 11-base plate; The 12-foot screw; The 13-level meter; The 21-lower fixed seat; The 22-upper fixed seat; The 23-back shaft; 24-moves seat; The 25-linear bearing; The 26-axis of guide; 27-electric pushrod bearing; The 28-electric pushrod; The 29-shell; The 31-web joint; The 32-back shaft; 33-clamper front supporting plate; 34-clamper rear carrier plate; 35-clamper axle; 36 clampers; The 37-electromagnet; The 38-back-moving spring; The 39-balancing weight; The 41-mount pad; The 42-measurement bracket; The 43-sensor.
Embodiment
Through accompanying drawing and instance, the present invention is done further detailed description below.
Shown in Fig. 1-5, the present invention includes: base 1; Lifting mechanism 2 is installed on the base 1, is made up of the upper and lower lift assemblies that structure is identical; Clamping device 3 is installed in the top of lifting mechanism 2; Measure bearing 4, be installed on the base 1, its top one side is equipped with measuring sensor 43.
Wherein, base 1 comprises: base plate 11, be provided with four screw mounting holes around its outside, and the middle part is provided with a level meter mounting groove; Four foot screws 12 are installed in four screw mounting holes of base plate 11 adjustable positions respectively; Level meter 13 is installed in the level meter mounting groove of base plate 11.
Wherein, lifting mechanism 2 is made up of the identical upper and lower lift assemblies of structure, and following lift assemblies is installed in base plate 11 middle parts of said base 1, and last lift assemblies is installed in the said top of lift assemblies down.
Wherein, upper and lower lift assemblies includes: lower fixed seat 21, be short cylindrical shape, and the outside is uniformly distributed with four and supports axis hole, and is provided with loss of weight groove and a plurality of lightening hole; Upper fixed seat 22 is and lower fixed seat 21 isodiametric short cylindrical shape, and the outside is uniformly distributed with four and lower fixed seat 21 corresponding support axis holes, 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; Move seat 24; Be and upper and lower holder 21,22 isodiametric short cylindrical shape; The outside is uniformly distributed with four and upper fixed seat 22 corresponding guiding axis holes and four and lower fixed seat 21 corresponding support axis holes, can move with respect to upper and lower holder 21,22 straight lines after the assembling; 25, four of linear bearings, middle part are provided with cylinder hole shape slideway, and pass through screw retention respectively at upper fixed seat 22 bottom bearing mounting hole places; 26, four of the axis of guides, an end are separately fixed in the guiding axis hole that moves seat 24, and the other end stretches into respectively in the cylinder hole shape slideway of linear bearing 25, form moving sets with linear bearing 25; Upper and lower electric pushrod bearing 27 is respectively through being bolted to lower fixed seat 21 and the middle part of moving seat 24; Electric pushrod 28, upper and lower end is hinged with upper and lower electric pushrod bearing 27 respectively through pin; Shell 29 is thin walled cylindrical, and the outside is provided with reinforcement, and upper and lower end is separately fixed on the upper and lower holder 21,22 through 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; The middle part is provided with last lift assemblies and moves the corresponding projecting shaft of seat 24 support axis holes, and is installed on the mobile seat 24 of said upward lift assemblies through this projecting shaft; Left and right back shaft 32 passes the axis hole of forward and backward web joint 31 both sides respectively, forms moving sets with forward and backward web joint 31; Clamper front supporting plate 33, two ends are provided with the clamper axis hole, and the inboard is provided with the support axis hole, and are fixed on an end of back shaft 32 through shaft stool; Clamper rear carrier plate 34, two ends are provided with and clamper front supporting plate 33 corresponding clamper axis holes; Left and right clamper axle 35, two ends pass the clamper axis hole of clamper front supporting plate 33 and clamper rear carrier plate 34 respectively, and are fixed on clamper front supporting plate 33 and the clamper rear carrier plate 34 through shaft stool; Forward and backward clamper 36, structure is identical, and the shaft hole sleeve through both sides is contained on the left and right clamper axle 35 respectively, with its formation moving sets, and is between clamper front supporting plate 33 and the clamper rear carrier plate 34; Forward and backward electromagnet 37 is respectively through the middle part of screw retention at clamper front supporting plate 33 and clamper rear carrier plate 34; Back-moving spring 38, totally four, be sleeved on the left and right clamper axle 35, lay respectively between clamper front supporting plate 33, clamper rear carrier plate 34 and the forward and backward clamper 36; Balancing weight 39 is contained in the front end of left and right back shaft 32 through the shaft hole sleeve of both sides, is respectively in the both sides of lifting mechanism 2 with clamper 36, and its position is adjustable with respect to back shaft 32.
Wherein, measure bearing 4 and comprise: mount pad 41, constitute by orthogonal two flat boards, be provided with reinforcement between two flat boards in addition, on the base plate 11 that is bolted to said base 1; Measurement bracket 42, through being bolted to said mount pad 41 tops, its external part is provided with a plurality of sensor mounting holes.
Concrete steps when the present invention uses are:
1, base 1, time lift assemblies, last lift assemblies, clamping device 3, measurement bearing 4 are assembled into complete machine;
2, adjustment base 1 level;
3, football is placed on clamping on the clamper 36;
4, the electric pushrod 28 of control lifting mechanism 2 stretches out, and football and clamping device 3 are pushed to 3 meters of specified altitude;
5, give electromagnet 37 energisings, clamper 36 opens, and football is vertical freely to be fallen;
6, the sensor measurement that is arranged on the measurement bracket 42 of measuring bearing 4 goes out the maximum height of football bounce-back, calculates football bounce-back rate according to Measurement Algorithm;
7, electromagnet 37 outages, clamper 36 resets under the effect of back-moving spring 38;
8, electric pushrod 28 withdrawals of control lifting mechanism 2, clamping device 3 restPoses, and waits for next time and measures.
Claims (6)
1. the mechanical system of a pitch football bounce-back rate measurement mechanism is characterized in that, comprising:
Base;
Lifting mechanism is installed on the said base, is made up of the upper and lower lift assemblies that structure is identical;
Clamping device is installed in the top of said lifting mechanism;
Measure bearing, be installed on the said base, measuring sensor is equipped with in its both sides, top.
2. the mechanical system of a kind of pitch football bounce-back rate measurement mechanism according to claim 1 is characterized in that said base comprises:
Base plate is provided with four screw mounting holes around its outside, and the middle part is provided with a level meter mounting groove;
Four foot screws are installed in respectively in four screw mounting holes of said base plate, and setting height(from bottom) is adjustable;
Level meter is installed in the level meter mounting groove of said base plate.
3. the mechanical system of a kind of pitch football bounce-back rate measurement mechanism according to claim 1; It is characterized in that; Said lifting mechanism is made up of the identical upper and lower lift assemblies of structure; Following lift assemblies is installed in the base plate middle part of said base, and last lift assemblies is installed in the said top of lift assemblies down.
4. the mechanical system of a kind of pitch football bounce-back rate measurement mechanism according to claim 3 is characterized in that the upper and lower lift assemblies that said structure is identical includes:
Lower fixed seat is short cylindrical shape, and the outside is uniformly distributed with four and supports axis hole, and is provided with loss of weight groove and a plurality of lightening hole;
Upper fixed seat is and the isodiametric short cylindrical shape of said lower fixed seat, and the outside is uniformly distributed with four and the corresponding support axis hole of said lower fixed seat, 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 said lower fixed seat and said upper fixed seat, and it stretches out 10mm in said lower fixed seat one side;
Move seat; Be and the isodiametric short cylindrical shape of said upper and lower holder; The outside is uniformly distributed with four and the corresponding guiding axis hole of said upper fixed seat and four and the corresponding support axis hole of said lower fixed seat, can move with respect to said upper and lower holder straight line after the assembling;
Linear bearing, four, the middle part is provided with cylinder hole shape slideway, and passes through screw retention respectively at said upper fixed seat bottom bearing mounting hole place;
The axis of guide, four, an end is separately fixed in the guiding axis hole of said mobile seat, and the other end stretches into respectively in the cylinder hole shape slideway of said linear bearing, forms moving sets with said linear bearing;
Upper and lower electric pushrod bearing is respectively through being bolted to the middle part of said lower fixed seat and said mobile seat;
Electric pushrod, upper and lower end is hinged with said upper and lower electric pushrod bearing respectively through pin;
Shell is thin walled cylindrical, and the outside is provided with reinforcement, and upper and lower end is separately fixed on the said upper and lower holder through screw.
5. the mechanical system of a kind of pitch football bounce-back rate measurement mechanism according to claim 1 is characterized in that said clamping device comprises:
Forward and backward web joint, structure is identical, and its both sides are equipped with axis hole, and the middle part is provided with the said lift assemblies that goes up and moves the corresponding projecting shaft of seat supports axis hole, and is installed on the mobile seat of said upward lift assemblies through this projecting shaft;
Left and right back shaft passes the axis hole of said forward and backward web joint both sides respectively, forms moving sets with said forward and backward web joint;
Clamper front supporting plate, two ends are provided with the clamper axis hole, and the inboard is provided with the support axis hole, and are fixed on an end of said back shaft through shaft stool;
Clamper rear carrier plate, two ends are provided with and the corresponding clamper axis hole of said clamper front supporting plate;
Left and right clamper axle, two ends pass the clamper axis hole of said clamper front supporting plate and said clamper rear carrier plate respectively, and are fixed on said clamper front supporting plate and the said clamper rear carrier plate through shaft stool;
Forward and backward clamper, structure is identical, and the shaft hole sleeve through both sides is contained on the said left and right clamper axle respectively, with its formation moving sets, and is between said clamper front supporting plate and the said clamper rear carrier plate;
Forward and backward electromagnet is respectively through the middle part of screw retention at said clamper front supporting plate and said clamper rear carrier plate;
Back-moving spring, four, be sleeved on the said left and right clamper axle, lay respectively between said clamper front supporting plate, clamper rear carrier plate and the said forward and backward clamper;
Balancing weight is contained in the front end of said left and right back shaft through the shaft hole sleeve of both sides, is respectively in the both sides of said lifting mechanism with said clamper, and its position is adjustable with respect to said back shaft.
6. the mechanical system of a kind of pitch football bounce-back rate measurement mechanism according to claim 1 is characterized in that said measurement bearing comprises:
Mount pad is made up of orthogonal two flat boards, is provided with reinforcement between two flat boards in addition, on the base plate that is bolted to said base;
Measurement bracket, through being bolted to said mount pad top, its external part is provided with the sensor mounting 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 true CN102706797A (en) | 2012-10-03 |
| CN102706797B CN102706797B (en) | 2014-02-19 |
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ID=46899739
Family Applications (1)
| 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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| Country | Link |
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| CN (1) | CN102706797B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487321A (en) * | 2013-10-09 | 2014-01-01 | 聊城大学 | Ball holding device for measuring football field lawn ball rebound rate |
| CN103499939A (en) * | 2013-10-09 | 2014-01-08 | 聊城大学 | Football field football rebound rate detecting instrument control system |
| CN104865143A (en) * | 2014-02-25 | 2015-08-26 | 聊城大学 | Movable device for detecting rebounding rate of football on football field |
| CN105527187A (en) * | 2015-12-31 | 2016-04-27 | 聊城大学 | A portable football rebound rate detector for a football court |
Citations (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 |
-
2012
- 2012-06-08 CN CN201210186252.9A patent/CN102706797B/en not_active Expired - Fee Related
Patent Citations (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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487321A (en) * | 2013-10-09 | 2014-01-01 | 聊城大学 | Ball holding device for measuring football field lawn ball rebound rate |
| CN103499939A (en) * | 2013-10-09 | 2014-01-08 | 聊城大学 | Football field football rebound rate detecting instrument control system |
| 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 |
| CN104865143A (en) * | 2014-02-25 | 2015-08-26 | 聊城大学 | Movable device for detecting rebounding rate of football on football field |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN102706797B (en) | 2014-02-19 |
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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 |