CN105833549B - A kind of fanout free region automatically closing hurdles rack - Google Patents
A kind of fanout free region automatically closing hurdles rack Download PDFInfo
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- CN105833549B CN105833549B CN201610396260.4A CN201610396260A CN105833549B CN 105833549 B CN105833549 B CN 105833549B CN 201610396260 A CN201610396260 A CN 201610396260A CN 105833549 B CN105833549 B CN 105833549B
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- column
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63K—RACING; RIDING SPORTS; EQUIPMENT OR ACCESSORIES THEREFOR
- A63K3/00—Equipment or accessories for racing or riding sports
- A63K3/04—Hurdles or the like
- A63K3/043—Athletics hurdles
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of fanout free region automatically closing hurdles rack, including two foundation seats, two root posts, a crossbeam and breast board, breast board is divided into left section and right section in the lateral direction, left section and right section are the scalable breast board of left and right directions, and left section of right-hand member and right section of left end are respectively provided with the magnet for making them form adhesives connection；Left section is connected by left handed twist spring with the column top positioned at left side, right section is connected by right torsionspring with the column top positioned at right side, the left and right sides of every base upper surface are each formed with plate protruding upward, base left and right sides are respectively formed on the groove for accommodating plate, when the base of a fanout free region automatically closing hurdles rack is stacked on the base of another fanout free region automatically closing hurdles rack, in the plate insertion top base respective slot of lower section base.
Description
Technical field
The invention belongs to sports equipment field, and in particular to hurdles rack, more specifically, be related to a kind of fanout free region automatic
Closed type hurdles rack.
Background technology
Hurdle race campaign originates from Britain.During 17th to 18 century, some ground pastoral industries of Britain are quite flourishing, and herdsman pass through
Corral need to be often crossed over, the livestock escaped is pursued.In red-letter day, some are liked that lively young herdsman also usually holds and jump over sheepfold
Game, they move fence on level land to, if several height and the similar obstacle of sheepfold, see that who can run up front, this is just
It is the blank of match of hurdling
On nineteen ninety Beijing Asian Games, China player Liu Huajin, with the achievement of 12 seconds 73, breaks in 100m hurdles women match
The Asian record of 12 seconds 89 that herself keeps.Chinese player Liu Xiang has produced the equalizer the note being sunk into sleep 13 years in Athens Olympic Games 2004
Record, is 12 seconds 91.At International Track and Field Association's Super Grand Prix competitions Lausanne station, he had broken this record again later, created 12 seconds 88 good
Achievement.This is the pride of Chinese！Cuban Roberts created new world record on June 12nd, 2008：" 12 seconds 87.”
The morning on the 8th of September in 2012, Merritt runs out of my mind in the match of International Track and Field Association's diamond league matches Brussels station Men's 110 Meters Hurdle, he
Broken the world record with the surprising achievement of 12 seconds 80.
Hurdle race is in certain distance, across defined height and the column frame of quantity, technical stronger sprint events.
International tournament man is 110 meter high hurdle, and column is high 106 centimetres, column number 10；Woman is M 100 low hurdles, and column is high 84 centimetres, column number
10.Hurdles rack is the equipment of hurdle campaign, not only dangerous across this kind of barrier, and is also easy to occur injury accident.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of fanout free region automatically closing hurdles rack, hurdle campaign is reduced
The injury accident quantity of middle generation.
In order to solve the above-mentioned technical problem, the technical scheme is that：
A kind of fanout free region automatically closing hurdles rack, including two foundation seat, two root posts, a crossbeam and breast board,
Crossbeam is the scalable crossbeam of left and right directions, and crossbeam two ends connect the leading section of two foundation seat respectively, and two foundation seat be arranged in parallel, two
Root post is be arranged in parallel, and column lower end is connected with the leading section of corresponding base, and breast board is divided into left section and right section in the lateral direction,
Left section and right section are the scalable breast board of left and right directions, and left section of right-hand member and right section of left end, which are respectively provided with, makes them form adhesives
The magnet of connection；Left section is connected by left handed twist spring with the column top positioned at left side, and left handed twist spring upper end is fixedly connected
In on left section, left handed twist lower spring end is fixedly connected on the column in left side, and left handed twist spring housing is positioned at the vertical of left side
On post, right section is connected by right torsionspring with the column top positioned at right side, and right torsionspring upper end is fixedly connected on right section
On, right torsionspring lower end is fixedly connected on the column on right side, and right torsionspring is enclosed within the column on right side, is turned round
Turn that axle of spring is parallel with column, the left and right sides of every base upper surface are each formed with plate protruding upward, and base is left
Right two sides are respectively formed on the groove for accommodating plate, when the base of a fanout free region automatically closing hurdles rack is stacked in separately
When on the base of one fanout free region automatically closing hurdles rack, positioned at the plate insertion top base respective slot of lower section base
In.
Above-mentioned fanout free region automatically closing hurdles rack, fore-and-aft direction is offered per root post lower end through the scarce of column
Mouthful, gap opened offers the slotted hole that left and right directions runs through column, the length of slotted hole per root post lower end in column lower end face
Degree direction is above-below direction, and the upper surface of the leading section of base has the connecting pole raised up, and connecting pole is located in breach, even
Connect post and be provided with the bearing pin that left and right directions extends, the two ends of bearing pin in the slotted hole of column, are located at connection respectively on base
The position of the post left and right sides offers the jack inserted for column lower end, and when column lower end inserts jack, column is consolidated with base
Fixed connection, when column lower end extracts jack, column can be swung around bearing pin so as to stacked with base.
Above-mentioned fanout free region automatically closing hurdles rack, the column positioned at breach side has semi-circular cross-section, accordingly,
Jack has semi-circular cross-section, the wide 1cm of breach left and right directions, the high 5cm of above-below direction；The wide 0.5cm of slotted hole fore-and-aft direction, length
5cm；Connect pillar height 2cm.
Above-mentioned fanout free region automatically closing hurdles rack, is in fork-shaped per root post lower end, with two yokes, the seat per foundation
It is fixed with two engaging lugs on the upper surface of leading section, two engaging lugs or so interval setting, the upper table of seat leading section per foundation
A diskware is fixed with face, diskware is located between two engaging lugs, diskware is higher than engaging lug, and the outline of diskware is integrally in circle
Guiding blind hole is offered in shape, the top down concave shape camber depression or V-arrangement depression of diskware, column, blind hole is oriented to
Under shed is opened on the end face between two yoke upper ends, is oriented in blind hole and is set guide pillar, is oriented to the extension of blind hole above-below direction, is led
To move up and down guiding of the blind hole for guide pillar, stage clip is set, guide pillar is opened under guiding blind hole between guide pillar and guiding hole bottom
Mouth stretches out, and guide pillar lower end has round end or guide pillar lower end installing roller, and guide pillar lower end or roller top pressure are in diskware outer rim.
Above-mentioned fanout free region automatically closing hurdles rack, column upper end is formed with the gap that circumferencial direction is set at equal intervals,
Gap runs through the wall of column, and the upper shed of gap is located at column upper surface, and the quantity that gap is opened up per root post upper end is 4-7
It is individual, elastic claw is formed between two neighboring gap, the upper end of elastic claw has footpath convex tapered end, the whole per root post upper end
Elastic claw is outside the column shunk in the presence of radially outward force after radially outward force is eliminated below whole elastic claws recoveries, elastic claw
Footpath convex ring is provided with disc, downward opening connection blind hole is offered on the breast board directly over column, is connected blind
Hole inwall have circumferencial direction extend latch recess, latch recess be used for accommodate footpath convex tapered end with realize column upper end with
The spacing and column of the above-below direction of breast board can be relatively rotated with breast board to be connected, and gap is sequentially divided into equidimension from top to bottom
Section, divergent segment and converging transition, the height of divergent segment above-below direction is 4-5 times of the height of converging transition above-below direction；On converging transition
The height in lower direction is 2 times of the height of equidimension section above-below direction.
Above-mentioned fanout free region automatically closing hurdles rack, the left and right sides of every base upper surface are each formed with front and back
To spaced three blocks of plates, accordingly, per foundation, seat left and right sides have been respectively formed on fore-and-aft direction spaced three
Individual groove.
Above-mentioned fanout free region automatically closing hurdles rack, breast board is made of following technique：
Step 1）Take the raw material of following mass parts：
100 parts of nitrile rubber -40,35 parts of sulphur, 18 parts of blowing agent AC, 3 parts of zinc oxide, 3 parts of stearic acid, altax
2 parts, 2 parts of diphenylguanidine, 1 part of antioxidant A, 10 parts of foaming agent OBSH, 1.5 parts of antioxidant D, 10 parts of carbon black, 5 parts of kaolin,
30 parts of 25 parts of blowing agent H, 25 parts of urea and high-phenylethylene；
Step 2）The mixing of foaming rubber is carried out according to charging order in two-roll mill, foaming rubber, charging is obtained
Order is：First plus nitrile rubber -40, then plus altax and diphenylguanidine, then plus antioxidant A and antioxidant D, then plus
Foaming agent OBSH and blowing agent AC, then increase styrene, then add kaolin, then add carbon black, then add urea, then add
Zinc oxide and stearic acid, then add sulphur, finally add blowing agent H；
Step 3）Foaming rubber is shredded, is loaded into mould, mold temperature control is 158 ± 1 DEG C, then it is rapid by mould
45t hot presses are put into, pressurize 7MPa, release after pressurize 5min, then insulation vulcanization 19-20min, obtains the system of breast board former material
It is standby.
Above-mentioned fanout free region automatically closing hurdles rack, pan frontward end is provided with can be contiguously after base rear end is lifted
It is easy to the roller carried in face.
Above-mentioned fanout free region automatically closing hurdles rack, the diameter of roller is identical with the height of base above-below direction.
Breast board is divided into left section and right section in the lateral direction, and left section of right-hand member and right section of left end, which are respectively provided with, forms them
The magnet of adhesive connection, left section is connected by left handed twist spring with the column upper end positioned at left side, and right section passes through right torsionspring
It is connected with the column upper end positioned at right side, torsionspring axis is parallel with column, it is left when the pin for the person of hurdling encounters breast board accidentally
Section and right section of separation are opened, and allow pin smoothly to pass through from centre, by rear, in the presence of torsionspring, and left section and right section simultaneously
Adhesive is connected in the presence of magnet, reaches fanout free region（It is i.e. safe）The wound occurred in automatically closing, reduction hurdle campaign
Evil accident quantity.The left and right sides of every base upper surface are each formed with plate protruding upward, base left and right sides
It is each formed with accommodating the groove of plate, when the base of a fanout free region automatically closing hurdles rack is stacked in another fanout free region
Property automatically closing hurdles rack base on when, positioned at lower section base plate insertion respective slot in.The configuration achieves
The base of neighbouring two fanout free regions automatically closing hurdles rack is stacked, and two bases are limited by plate and groove formation up and down
Position, plays fixation during storage.
Brief description of the drawings
The invention will now be described in further detail with reference to the accompanying drawings：
Fig. 1 is structural representation of the invention.
Fig. 2 is the attachment structure schematic diagram of base and column, disassembled form.
Fig. 3 is the attachment structure schematic diagram of base and column, assembled state.
Fig. 4 is column lower end right view.
Fig. 5 is the attachment structure schematic diagram of base and column.
Fig. 6 is the right view of base.
Fig. 7 is the connection diagram of column and breast board.
Fig. 8 is the attachment structure schematic diagram of another base and column.
In figure：1 left section, 2 columns, 3 bases, 4 crossbeams, 5 left handed twist springs, 6 magnet, 7 plates, 8 grooves, 9 breach, 10 length
Circular hole, 11 bearing pins, 12 jacks, 13 connecting poles, 14 rollers, 15 footpath convex tapered ends, 16 gap, 17 elastic claws, 18 connection blind holes,
19 stage clips, 20 rollers, 21 yokes, 22 engaging lugs, 23 diskwares, 24 guide pillars.
Embodiment
As shown in Figures 1 to 8, a kind of fanout free region automatically closing hurdles rack, including two foundation seat 3, two root posts 2,
A piece crossbeam 4 and breast board, crossbeam are the scalable crossbeam of left and right directions, and crossbeam two ends connect the leading section of two foundation seat respectively,
Two foundation seat is be arranged in parallel, and two root posts be arranged in parallel, and column lower end is connected with the leading section of corresponding base.In the lateral direction
Breast board is divided into left section 1 and right section, left section and right section be left and right directions scalable breast board, left section of right-hand member and right section of left end
It is respectively provided with the magnet 6 for making them form adhesive connection.Left section is connected by left handed twist spring 5 with the column top positioned at left side,
Left handed twist spring upper end is fixedly connected on left section, and left handed twist lower spring end is fixedly connected on the column in left side, left to turn round
Turn spring housing on the column positioned at left side.Right section is connected by right torsionspring with the column top positioned at right side, right to reverse
Spring upper end is fixedly connected on right section, and right torsionspring lower end is fixedly connected on the column on right side, right torsionspring
It is enclosed within the column on right side, torsionspring（Left handed twist spring and right torsionspring）Axis is parallel with column.Torsionspring
Function for reset.The left and right sides of every base upper surface are each formed with plate 7 protruding upward, base left and right sides
The groove 8 for accommodating plate is respectively formed on, when the base of a fanout free region automatically closing hurdles rack is stacked in another nothing
When on the base of nocuity automatically closing hurdles rack, in the plate insertion top base respective slot of lower section base.This
The base that kind structure realizes neighbouring two fanout free regions automatically closing hurdles rack is stacked, and two bases pass through plate up and down
Form spacing with groove, fixation is played during storage.Fanout free region be further referred to as it is safer, reduction hurdle campaign in
The injury accident quantity of generation." left side " and " right side " in text represents orientation.
A kind of attachment structure of base and column is：
The breach 9 that fore-and-aft direction runs through column is offered per root post lower end, gap opened is in column lower end face, and every is stood
Post lower end offers the slotted hole 10 that left and right directions runs through column, and the length direction of slotted hole is above-below direction, the front end of base
The upper surface in portion has the connecting pole 13 raised up, and connecting pole is located in breach, and connecting pole extends provided with left and right directions
Bearing pin 11, the two ends of bearing pin are respectively in the slotted hole of column, and the position on base positioned at the connecting pole left and right sides is opened up
There is the jack 12 inserted for column lower end, column is fixedly connected with base when column lower end inserts jack, when column lower end is pulled out
Column can be swung around bearing pin so as to stacked with base when going out jack.During storage, column is stacked with base, reduces occupancy empty
Between.
Specifically, the column positioned at breach side has semi-circular cross-section, accordingly, and jack has semi-circular cross-section, lacks
The wide 1cm of mouth left and right directions, the high 5cm of above-below direction；The wide 0.5cm of slotted hole fore-and-aft direction, long 5cm；Connect pillar height 2cm.
The attachment structure of another base and column is：
It is in fork-shaped per root post lower end, with two yokes 21, two is fixed with the upper surface of seat leading section per foundation
Engaging lug 22, two engaging lugs or so interval setting, i.e., left engaging lug and right engaging lug, per foundation on the upper surface of seat leading section
A diskware 23 is fixed with, diskware is located between two engaging lugs, diskware is higher than engaging lug, and the outline of diskware is integrally in circle
Shape, the top down concave shape camber depression or V-arrangement depression of diskware.Guiding blind hole is offered in column, blind hole is oriented to
Under shed is opened on the end face between two yoke upper ends, and the external part of guide pillar is located between two yokes.It is oriented in blind hole and sets
Guide pillar 24, is oriented to the extension of blind hole above-below direction, is oriented to move up and down guidings of the blind hole for guide pillar, guide pillar and guiding hole bottom it
Between set stage clip 19, guide pillar from be oriented to blind hole under shed stretch out, guide pillar lower end have round end or guide pillar lower end installing roller 20,
Guide pillar lower end or roller top pressure are in diskware outer rim.Roller reduces friction.Column, can be the bottom of with from erectility swing backward
Seat is stacked.Swung forward from straightened condition, column can vertically-arranged use.The top down depression of diskware is a positioning of column
The intersection of point, diskware and base forms another anchor point.
The attachment structure of breast board and column is：
At least column upper end is hollow, and column upper end is formed with the gap 16 that circumferencial direction is set at equal intervals, and gap is through vertical
The wall of post, the upper shed of gap is located at column upper surface, and it is 4-7 that the quantity of gap is opened up per root post upper end, two neighboring
Elastic claw 17 is formed between gap, the upper end of elastic claw has footpath convex tapered end 15, whole elastic claws per root post upper end
Recover shrinking whole elastic claws after radially outward force is eliminated in the presence of radially outward force, on the column periphery below elastic claw
Footpath convex ring is provided with, to support the breast board of top.Downward opening connection is offered on the breast board directly over column
Blind hole 18, connection blind hole inwall have circumferencial direction extend latch recess, latch recess be used for accommodate footpath convex tapered end with
Realize that the spacing and column of the above-below direction of column upper end and breast board can be relatively rotated with breast board to be connected, gap is suitable from top to bottom
Secondary to be divided into equidimension section, divergent segment and converging transition, overall is in water-drop-shaped, and the height of divergent segment above-below direction is converging transition upper and lower
To 4-5 times of height；The height of converging transition above-below direction is 2 times of the height of equidimension section above-below direction.Equidimension section be
Gap two side spacing is equal.The structure realizes that column upper end being capable of phase with breast board with the spacing and column of the above-below direction of breast board
To rotating connection.
The left and right sides of every base upper surface are each formed with the spaced three blocks of plates of fore-and-aft direction, accordingly,
Per foundation, seat left and right sides have been respectively formed on spaced three grooves of fore-and-aft direction.
Breast board is made of following technique：
Step 1）Take the raw material of following mass parts：
100 parts of nitrile rubber -40,35 parts of sulphur, 18 parts of blowing agent AC, 3 parts of zinc oxide, 3 parts of stearic acid, altax
2 parts, 2 parts of diphenylguanidine, 1 part of antioxidant A, 10 parts of foaming agent OBSH, 1.5 parts of antioxidant D, 10 parts of carbon black, 5 parts of kaolin,
30 parts of 25 parts of blowing agent H, 25 parts of urea and high-phenylethylene；
Step 2）The mixing of foaming rubber is carried out according to charging order in two-roll mill, foaming rubber, charging is obtained
Order is：First plus nitrile rubber -40, then plus altax and diphenylguanidine, then plus antioxidant A and antioxidant D, then plus
Foaming agent OBSH and blowing agent AC, then increase styrene, then add kaolin, then add carbon black, then add urea, then add
Zinc oxide and stearic acid, then add sulphur, finally add blowing agent H；
Step 3）Foaming rubber is shredded, is loaded into mould, mold temperature control is 158 ± 1 DEG C, then it is rapid by mould
45t hot presses are put into, pressurize 7MPa, release after pressurize 5min, then insulation vulcanization 19-20min, obtains the system of breast board former material
It is standby.
Step 4）Breast board former material is machined.
The density of breast board former material is 0.25g/cm3, shore D hardness is 42, the characteristics of with lightweight, and hardness is suitable.
Pan frontward end is provided with roller 14, and ground can be contacted when base rear end lifts rear roller, is easy to carry.Roller
Diameter is identical with the height of base above-below direction.When base horizontal, base can be placed stably.The diameter and base of roller
The height of above-below direction is identical.
Claims (8)
1. a kind of fanout free region automatically closing hurdles rack, it is characterised in that：Including two foundation seats, two root posts, a crossbeam
And breast board, crossbeam is the scalable crossbeam of left and right directions, and crossbeam two ends connect the leading section of two foundation seat respectively, and two foundation seat is flat
Row is set, and two root posts be arranged in parallel, and column lower end is connected with the leading section of corresponding base, and breast board is divided into a left side in the lateral direction
Section and right section, left section and right section are the scalable breast board of left and right directions, and left section of right-hand member and right section of left end, which are respectively provided with, makes it
Formed adhesive connection magnet；Left section is connected by left handed twist spring with the column top positioned at left side, on left handed twist spring
End is fixedly connected on left section, and left handed twist lower spring end is fixedly connected on the column in left side, and left handed twist spring housing is in place
In on the column in left side, right section is connected by right torsionspring with the column top positioned at right side, and right torsionspring upper end is fixed
It is connected on right section, right torsionspring lower end is fixedly connected on the column on right side, and right torsionspring is enclosed within positioned at right side
Column on, torsionspring axis is parallel with column, and the left and right sides of every base upper surface are each formed with protruding upward
Plate, base left and right sides are respectively formed on the groove for accommodating plate, when fanout free region automatically closing hurdles rack
When base is stacked on the base of another fanout free region automatically closing hurdles rack, the plate positioned at lower section base inserts top
In base respective slot;
The breach that fore-and-aft direction runs through column is offered per root post lower end, gap opened is in column lower end face, under every root post
End offers the slotted hole that left and right directions runs through column, and the length direction of slotted hole is above-below direction, the leading section of base it is upper
Surface has the connecting pole raised up, and connecting pole is located in breach, and connecting pole is provided with the bearing pin that left and right directions extends, bearing pin
Two ends respectively in the slotted hole of column, the position on base positioned at the connecting pole left and right sides offers and supplies column lower end
The jack of insertion, when column lower end inserts jack, column is fixedly connected with base, the column energy when column lower end extracts jack
It is enough to be swung around bearing pin so as to stacked with base.
2. fanout free region automatically closing hurdles rack according to claim 1, it is characterised in that：Positioned at the vertical of breach side
Post has semi-circular cross-section, accordingly, and jack has semi-circular cross-section, the wide 1cm of breach left and right directions, the high 5cm of above-below direction；It is long
The wide 0.5cm of circular hole fore-and-aft direction, long 5cm；Connect pillar height 2cm.
3. fanout free region automatically closing hurdles rack according to claim 1, it is characterised in that：Per root post lower end in fork
Shape, with two yokes, is fixed with two engaging lugs per foundation on the upper surface of seat leading section, two engaging lugs are between left and right every setting
Put, be fixed with a diskware on the upper surface of seat leading section per foundation, diskware is located between two engaging lugs, and diskware is higher than connection
Ear, the outline of diskware is integrally rounded, the top down concave shape camber depression or V-arrangement depression of diskware, is opened in column
Provided with blind hole is oriented to, the under shed for being oriented to blind hole is opened on the end face between two yoke upper ends, is oriented in blind hole and is set guide pillar,
The extension of blind hole above-below direction is oriented to, move up and down guiding of the blind hole for guide pillar is oriented to, is set between guide pillar and guiding hole bottom
Stage clip, guide pillar from be oriented to blind hole under shed stretch out, guide pillar lower end have round end or guide pillar lower end installing roller, guide pillar lower end or
Roller top pressure is in diskware outer rim.
4. the fanout free region automatically closing hurdles rack according to claim 1,2 or 3, it is characterised in that：Column upper end shape
Into the gap for having circumferencial direction to set at equal intervals, gap runs through the wall of column, and the upper shed of gap is located at column upper surface, every
It is 4-7 that column upper end, which opens up the quantity of gap, and elastic claw is formed between two neighboring gap, and the upper end of elastic claw has radially
Evagination tapered end, whole elastic claws per root post upper end are shrinking whole bullets after radially outward force is eliminated in the presence of radially outward force
Property pawl recover, be provided with footpath convex ring on the column periphery below elastic claw, opened up on the breast board directly over column
There is downward opening connection blind hole, connection blind hole inwall has the latch recess that circumferencial direction extends, and latch recess is used to accommodate
Footpath convex tapered end is connected with realizing that the spacing and column of the above-below direction of column upper end and breast board can be relatively rotated with breast board,
Gap is sequentially divided into equidimension section, divergent segment and converging transition from top to bottom, and the height of divergent segment above-below direction is above and below converging transition
4-5 times of the height in direction；The height of converging transition above-below direction is 2 times of the height of equidimension section above-below direction.
5. the fanout free region automatically closing hurdles rack according to claim 1,2 or 3, it is characterised in that：Per foundation on seat
The left and right sides on surface are each formed with the spaced three blocks of plates of fore-and-aft direction, accordingly, the seat left and right sides per foundation
It has been respectively formed on spaced three grooves of fore-and-aft direction.
6. the fanout free region automatically closing hurdles rack according to claim 1,2 or 3, it is characterised in that：Breast board is using such as
Lower technique is made：
Step 1）Take the raw material of following mass parts：
100 parts of nitrile rubber -40,35 parts of sulphur, 18 parts of blowing agent AC, 3 parts of zinc oxide, 3 parts of stearic acid, altax 2
Part, 2 parts of diphenylguanidine, 1 part of antioxidant A, 10 parts of foaming agent OBSH, 1.5 parts of antioxidant D, 10 parts of carbon black, 5 parts of kaolin,
30 parts of 25 parts of blowing agent H, 25 parts of urea and high-phenylethylene；
Step 2）The mixing of foaming rubber is carried out according to charging order in two-roll mill, foaming rubber is obtained, feed order
For：First plus nitrile rubber -40, then plus altax and diphenylguanidine, then plus antioxidant A and antioxidant D, then plus foaming
Agent OBSH and blowing agent AC, then increase styrene, then add kaolin, then add carbon black, then add urea, then oxygenation
Zinc and stearic acid, then add sulphur, finally add blowing agent H；
Step 3）Foaming rubber is shredded, is loaded into mould, mold temperature control is 158 ± 1 DEG C, then is rapidly put into mould
45t hot presses, pressurize 7MPa, release after pressurize 5min, and then insulation vulcanization 19-20min, obtains the preparation of breast board former material.
7. the fanout free region automatically closing hurdles rack according to claim 1,2 or 3, it is characterised in that：Pan frontward end is set
The roller that ground is easy to carry can be contacted after base rear end is lifted by being equipped with.
8. fanout free region automatically closing hurdles rack according to claim 7, it is characterised in that：The diameter and base of roller
The height of above-below direction is identical.
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| CN201610396260.4A CN105833549B (en) | 2016-06-07 | 2016-06-07 | A kind of fanout free region automatically closing hurdles rack |
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|---|---|---|---|
| CN201610396260.4A CN105833549B (en) | 2016-06-07 | 2016-06-07 | A kind of fanout free region automatically closing hurdles rack |
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| CN105833549A CN105833549A (en) | 2016-08-10 |
| CN105833549B true CN105833549B (en) | 2017-07-18 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106377909A (en) * | 2016-10-25 | 2017-02-08 | 钟贵洪 | Safe automatic centralizing hurdle |
| CN106975233A (en) * | 2017-05-11 | 2017-07-25 | 台州瑞祥教育科技有限公司 | A kind of adjustable height and width have hurdling for defencive function |
| CN109529383A (en) * | 2019-01-25 | 2019-03-29 | 郑州工程技术学院 | A kind of multi-functional track and field is with hurdling |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201082362Y (en) * | 2007-09-29 | 2008-07-09 | 张顺和 | Hurdles rack |
| CN201124039Y (en) * | 2007-08-06 | 2008-10-01 | 李金成 | Safe hurdles |
| CN101805466A (en) * | 2010-02-08 | 2010-08-18 | 天津纽威特橡胶制品有限公司 | Pre-fabricated rubber running track and manufacturing process thereof |
| CN202410191U (en) * | 2011-11-28 | 2012-09-05 | 德州学院 | Safe automatic reset hurdling frame |
| CN103721425A (en) * | 2012-10-14 | 2014-04-16 | 张琳 | Hurdling device for training |
| CN205084421U (en) * | 2015-11-10 | 2016-03-16 | 大庆师范学院 | Hurdle for physical education |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10144145B4 (en) * | 2001-09-07 | 2005-09-01 | Andreas Sepsy | Practice hurdle, especially Leichtatletik practice hurdle |
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2016
- 2016-06-07 CN CN201610396260.4A patent/CN105833549B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201124039Y (en) * | 2007-08-06 | 2008-10-01 | 李金成 | Safe hurdles |
| CN201082362Y (en) * | 2007-09-29 | 2008-07-09 | 张顺和 | Hurdles rack |
| CN101805466A (en) * | 2010-02-08 | 2010-08-18 | 天津纽威特橡胶制品有限公司 | Pre-fabricated rubber running track and manufacturing process thereof |
| CN202410191U (en) * | 2011-11-28 | 2012-09-05 | 德州学院 | Safe automatic reset hurdling frame |
| CN103721425A (en) * | 2012-10-14 | 2014-04-16 | 张琳 | Hurdling device for training |
| CN205084421U (en) * | 2015-11-10 | 2016-03-16 | 大庆师范学院 | Hurdle for physical education |
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| CN105833549A (en) | 2016-08-10 |
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