CN104535245B - Treadmill belt static state elongation percentage method of testing in a kind of treadmill belt device for testing tensile force - Google Patents
Treadmill belt static state elongation percentage method of testing in a kind of treadmill belt device for testing tensile force Download PDFInfo
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- CN104535245B CN104535245B CN201410777650.7A CN201410777650A CN104535245B CN 104535245 B CN104535245 B CN 104535245B CN 201410777650 A CN201410777650 A CN 201410777650A CN 104535245 B CN104535245 B CN 104535245B
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Abstract
The invention provides the treadmill belt static state elongation percentage method of testing in a kind of treadmill belt device for testing tensile force.It solves the technical problem that existing treadmill belt static state elongation percentage cannot obtain testing.This treadmill belt static state elongation percentage method of testing is comprised the following steps：A, treadmill belt is set between cylinder one and cylinder two；B, by rotate handwheel make rotating shaft start rotate, make treadmill belt be in slight tensioning state；Tensile force on treadmill belt is shown by c, force value sensor by force value digital display meter；D, opening air pump, rotation manual reversal valve tense treadmill belt；E, by air relief valve, adjust treadmill belt tensile force, till force value digital display meter shows the tensile force of regulation；The data that f, reading displacement pointer are shown on the scale, and record；G, be loaded onto the time of regulation after, record data again；The static elongation percentage of the difference of two secondary datas, as treadmill belt.The present invention has the advantages that easy to detect, detection efficiency is high.
Description
Technical field
The invention belongs to field of mechanical technique, is related to a kind of device for testing tensile force, particularly a kind of treadmill belt tension test
Treadmill belt static state elongation percentage method of testing in device.
Background technology
Treadmill is the equipment of gymnasium and family's higher gears, and it drives treadbelt to make one with not by direct current generator M
Same speed is passively run or is walked about.Run and walk due to passively being formed, from action profile, almost with commonly on ground
Upper race is walked the same, but from exerting oneself from human body, runs, walks and stretch than commonly running, walking to eliminate one and pedal on treadmill
Make.Exactly this point makes each people that race is walked on treadmill feel very free and relaxed, can make one than common running
Run 1/3 or so distance, energy expenditure is also many than commonly walking, running.
In the manufacturing enterprise of treadmill, the R＆D and production to the new product of treadmill needs to do life test to ensure to run
The quality of step machine, it is therefore desirable to design a kind of test device for testing treadmill performance.Jing is retrieved, and finds China national
Department of Intellectual Property discloses a kind of treadmill durability force tester (ZL：201120556159.3), it is characterised in that：The device bag
Include：One frame, a treadmill position-limited rack, which is fixed treadmill and is positioned in frame；Two beater wheels, which is placed on treadmill
Side；One transverse slide：Lift and decontrol the cylinder of beater wheel including two respectively, level is slidedly arranged on machine respectively for two cylinders
On frame, between two cylinders and two beater wheels, correspondence is connected with chain；One vertical promotion device, including a vertical promotion is horizontal
The lift-bolt of carriage.Treadmill durability force tester disclosed in the patent can only be carried out to the useful life longevity of treadmill belt
Test, it is impossible to which other performances are detected to treadmill belt.
The content of the invention
The purpose of the present invention is there are the problems referred to above for existing technology, it is proposed that a kind of treadmill belt tension test dress
Put, the test device with can test treadmill belt it is quiet/dynamic elongation percentage the characteristics of.
The purpose of the present invention can be realized by following technical proposal：A kind of treadmill belt device for testing tensile force, including frame,
Characterized in that, working plate is fixed with described frame, upper face one end of the working plate pass through axial restraint and
The mode for circumferentially rotating is provided with cylinder one, parallel on the upper face other end of described working plate to be fixed with guide rail one and lead
Rail two, is provided with the slide plate that can be slided along guide rail one and guide rail two, leads on the slide plate between the guide rail one and guide rail two
The mode crossed axial restraint and circumferentially rotate is provided with cylinder two, and described cylinder one and cylinder two are parallel to each other, the cylinder
One and the arranged direction of guide rail one be mutually perpendicular to, treadmill belt, described cylinder are arranged between described cylinder one and cylinder two
One can drive its actuating unit for rotating to be connected with one；
Offer the sliding eye in bar shaped on described working plate, the sliding eye opens up direction with the guide rail one
Arranged direction it is identical, described sliding eye is between guide rail one and guide rail two, and sliding shoe, institute are provided with the sliding eye
The sliding shoe top stated is fixed on described slide plate, and the sliding shoe bottom is fixed with nut, and in described nut, screw thread connects
It is connected to screw mandrel, working plate bottom axial restraint and circumferentially rotates and be provided with rotating shaft, described rotating shaft one end is fluting end, turns
The axle other end is connection end, and non-circular inserting groove is offered on the end face at the fluting end, and described inserting groove is to connection
Extreme direction extends, and the connection end of described rotating shaft can drive its rotating mechanism for rotating to be connected with one；Described working plate
Bottom is fixed with cylinder, and the piston rod of the cylinder is parallel to each other towards described screw mandrel and with screw mandrel, the piston of the cylinder
Boom end is fixed with splice sleeve, and the other end of the splice sleeve is fixed with force value sensor, the force value sensor it is another
One end axial restraint of one end and screw mandrel and circumferentially rotate, the shape of the screw mandrel other end and the shape phase of the inserting groove
Match somebody with somebody, the screw mandrel other end is plugged in described inserting groove；Slide block one, described guide rail two are provided with described guide rail one
On be provided with slide block two, described slide plate is fixed on slide block one and slide block two；Scale is further fixed on described working plate
Chi, rule are parallel to each other with guide rail one, and described slide plate end is fixed with displacement pointer, and the displacement pointer is in scale
The surface of chi, described force value sensor are connected with a force value digital display meter that can manifest force value size.
Described actuating unit includes direct current generator, driven pulley, drivewheel and carves band more, and described direct current generator is fixed on
On working plate, drivewheel is fixed on the output shaft of direct current generator, and the driven pulley is fixed on cylinder one, described to carve more
Band is arranged between drivewheel and driven pulley.
Hinge seat is provided between described force value sensor and screw mandrel, described force value sensor is fixed on hinge seat one
On end, described screw mandrel is arranged on the hinge seat other end axial restraint and by way of circumferentially rotating.
Bearing block is fixed with described frame, bearing in described bearing block, is provided with, above-mentioned rotating shaft is by bearing
Pass through at inner ring and rotating shaft is fixedly connected with the inner ring of bearing, described rotating mechanism includes handwheel and handle, in described handwheel
Portion is fixed at above-mentioned roller end, and described handle is fixed on handwheel.
The rectangular in cross-section of described inserting groove, the section of the screw mandrel end are also rectangular.
Described cylinder is connected with an air pump by trachea, is provided with hand-operated direction valve on the trachea；The trachea
Air relief valve is additionally provided with, described air relief valve is between hand-operated direction valve and cylinder.
Mounting groove one is offered on one of end face of the cylinder one, on another end face of cylinder one, peace is offered
Tankage two, is provided with bearing one in mounting groove one, the outer ring of bearing one is fixed on the cell wall of mounting groove one, the inner ring of bearing one
In wear and be fixed with installation axle one, axial trough one is offered on the axial plane of installation axle one end, installation on working plate, is fixed with
Seat one, mounting seat one include the upper transverse part one being parallel to each other, inferior transverse part one and be vertically fixed on upper transverse part one and inferior transverse part one it
Between vertical portion one, offer the locating slot one in V-shape on the upper surface of inferior transverse part one, installation axle one is in one He of upper transverse part
Between inferior transverse part one and it is placed on the screwed hole one for offering insertion in locating slot one at the upper surface of upper transverse part one, screwed hole
A screw one is threaded with one, is contacted during the lower end of the screw one is in axial trough one and with the bottom land of axial trough one；
Bearing two is provided with mounting groove two, the outer ring of bearing two is fixed on the cell wall of mounting groove two, wears in the inner ring of bearing two
And installation axle two is fixed with, axial trough two is offered on the axial plane of two end of installation axle, mounting seat two is fixed with working plate, pacify
Dress seat two include the upper transverse part two being parallel to each other, inferior transverse part two and be vertically fixed on it is vertical between upper transverse part two and inferior transverse part two
Portion two, offers the locating slot two in V-shape on the upper surface of inferior transverse part two, installation axle two is in upper transverse part two and inferior transverse part two
Between and be placed on the screwed hole two for offering insertion in locating slot two at the upper surface of upper transverse part two, screw thread in screwed hole two
A screw two is connected with, is contacted during the lower end of the screw two is in axial trough two and with the bottom land of axial trough two；
Mounting groove three is offered on one of end face of the cylinder two, on another end face of cylinder two, peace is offered
Tankage four, is provided with bearing three in mounting groove three, the outer ring of bearing three is fixed on the cell wall of mounting groove three, the inner ring of bearing three
In wear and be fixed with installation axle three, axial trough three is offered on the axial plane of the one end of installation axle three, installation on slide plate, is fixed with
Seat three, mounting seat three include the upper transverse part three being parallel to each other, inferior transverse part three and be vertically fixed on upper transverse part three and inferior transverse part three it
Between vertical portion three, offer the locating slot three in V-shape on the upper surface of inferior transverse part three, installation axle three is in three He of upper transverse part
Between inferior transverse part three and it is placed on the screwed hole three for offering insertion in locating slot three at the upper surface of upper transverse part three, screwed hole
A screw three is threaded with three, is contacted during the lower end of the screw three is in axial trough three and with the bottom land of axial trough three；
Bearing four is provided with mounting groove four, the outer ring of bearing four is fixed on the cell wall of mounting groove four, wears in the inner ring of bearing four
And installation axle four is fixed with, axial trough four is offered on the axial plane of four end of installation axle, mounting seat four, mounting seat are fixed with slide plate
Four include the upper transverse part four, inferior transverse part four and the vertical portion being vertically fixed between upper transverse part four and inferior transverse part four that are parallel to each other
Four, offer the locating slot four in V-shape on the upper surface of inferior transverse part four, installation axle four be in upper transverse part four and inferior transverse part four it
Between and be placed on the screwed hole four for offering insertion in locating slot four at the upper surface of upper transverse part four, in screwed hole four screw thread connect
A screw four is connected to, is contacted during the lower end of the screw four is in axial trough four and with the bottom land of axial trough four.
Compared with prior art, the tensile force of treadmill belt is detected by the present invention by force value sensor, and passes through position
Move the distance of pointer movement to detect the elongation percentage of flat treadmill belt, detection efficiency is high, and detection accuracy is good；By nut-screw rod
Work is so as to drive slide plate along two slip of guide rail one and guide rail, so as to drive the movement of cylinder two, whole without dismounting, with regard to energy
Treadmill belt device for testing tensile force is enable for detecting the treadmill belt of different length, range of application is improved, work efficiency is improved, is reduced
Labor intensity；Entered in axial trough one and axial trough two with installation axle one and installation axle two by screw one and screw two, so as to incite somebody to action
Installation axle one and two axially position of installation axle are lived, and locating effect is more preferable, meanwhile, it is also convenient for dismounting and keeps in repair；By three He of screw
Screw four is entered in axial trough three and axial trough four with installation axle three and installation axle four, so as to will installation axle three and installation axle four axially
Position, locating effect is more preferable, meanwhile, it is also convenient for dismounting and keeps in repair.
Description of the drawings
Fig. 1 is the front view of the present invention.
Fig. 2 is the top view of the present invention.
Fig. 3 is the right view of the present invention.
In figure, 1, frame；2nd, working plate；3rd, guide rail one；4th, rotating shaft；5th, slide plate；6th, air relief valve；7th, cylinder one；8th, roll
Cylinder two；9th, driven pulley；10th, direct current generator；11st, drivewheel；12nd, carve band more；13rd, cylinder；14th, splice sleeve；15th, force value sensing
Device；16th, sliding eye；17th, sliding shoe；18th, nut；19th, screw mandrel；20th, hinge seat；21st, handwheel；22nd, handle；23rd, bearing block；
24th, bearing；25th, rule；26th, displacement pointer；27th, hand-operated direction valve.
Specific embodiment
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As depicted in figs. 1 and 2, a kind of treadmill belt device for testing tensile force, including frame 1, is fixed with work in described frame 1
Make platen 2, upper face one end of the working plate 2 is provided with cylinder 1, institute axial restraint and by way of circumferentially rotating
It is parallel on the upper face other end of the working plate 2 stated to be fixed with guide rail 1 and guide rail two, the guide rail 1 and guide rail two it
Between be provided with the slide plate 5 that can be slided along guide rail 1 and guide rail two, pass through axial restraint on the slide plate 5 and circumferentially rotate
Mode is provided with cylinder 28, and described cylinder 1 and cylinder 28 are parallel to each other, the arrangement side of the cylinder 1 and guide rail 1
To being mutually perpendicular to, treadmill belt between described cylinder 1 and cylinder 28, is arranged with, described cylinder one 7 and can drive its turn
Dynamic actuating unit is connected.
Offer the sliding eye 16 in bar shaped on working plate 2, the sliding eye 16 opens up direction with the guide rail
One 3 arranged direction is identical, and described sliding eye 16 is between guide rail 1 and guide rail two, is provided with the sliding eye 16
Sliding shoe 17, described 17 top of sliding shoe are fixed on described slide plate, and 17 bottom of the sliding shoe is fixed with nut 18, institute
It is threaded with screw mandrel 19 in the nut 18 stated, 2 bottom axial restraint of the working plate and circumferentially rotates and be provided with rotating shaft 4,
4 one end of the rotating shaft is fluting end, and 4 other end of rotating shaft is connection end, is offered non-circular on the end face at the fluting end
Inserting groove, described inserting groove extend to connection extreme direction, and the connection end of described rotating shaft 4 can drive the rotation which rotates with one
Mechanism is connected；Described 2 bottom of working plate is fixed with cylinder 13, and the piston rod of the cylinder 13 is towards described screw mandrel 19
And be parallel to each other with screw mandrel 19, the piston rod end of the cylinder 13 is fixed with splice sleeve 14, the splice sleeve 14 it is another
One end is fixed with force value sensor 15, and the other end of the force value sensor 15 is with one end axial restraint of screw mandrel 19 and circumferentially turns
It is dynamic, the shape of 19 other end of the screw mandrel and the mating shapes of the inserting groove, 19 other end of the screw mandrel is plugged on described
Inserting groove in；Slide block one is provided with described guide rail 1, slide block two, described slide plate 5 on described guide rail two, is provided with
It is fixed on slide block one and slide block two；Rule 25, rule 25 and one 3 phase of guide rail are further fixed on described working plate 2
Mutually parallel, described 5 end of slide plate is fixed with displacement pointer 26, surface of the displacement pointer 26 in rule 25, institute
The force value sensor 15 stated is connected with a force value digital display meter that can manifest force value size.
As shown in figure 1, actuating unit includes direct current generator 10, driven pulley 9, drivewheel 11 and carves band 12 more, described is straight
Stream motor 10 is fixed on working plate 2, and drivewheel 11 is fixed on the output shaft of direct current generator 10, and the driven pulley 9 is fixed
On cylinder 1, carve band 12 more and be arranged between drivewheel 11 and driven pulley 9.The work of direct current generator 10 drives 11 turns of drivewheel
Dynamic, drivewheel 11 drives driven pulley 9 to rotate by carving band 12 again, and driven pulley 9 drives cylinder 1 to rotate again.
Hinge seat 20 is provided between force value sensor 15 and screw mandrel 19, described force value sensor is fixed on hinge seat
On 20 one end, described screw mandrel 19 is arranged on 20 other end of hinge seat axial restraint and by way of circumferentially rotating.In machine
It is fixed with bearing block 23 on frame 1, in described bearing block 23, is provided with bearing 24, the inner ring of above-mentioned rotating shaft 4 by bearing 24
Through and rotating shaft 4 be fixedly connected with the inner ring of bearing 24, described rotating mechanism includes handwheel 21 and handle 22, described handwheel 21
Middle part is fixed on above-mentioned 4 end of rotating shaft, and described handle 22 is fixed on handwheel 21.
In the present embodiment, the rectangular in cross-section of inserting groove, the section of 19 end of the screw mandrel are also rectangular.
Cylinder 13 is connected with an air pump by trachea, and hand-operated direction valve 27 is provided with the trachea；The trachea is also
Air relief valve 6 is provided with, described air relief valve 6 is between hand-operated direction valve 27 and cylinder 13.
Mounting groove one is offered on one of end face of the cylinder 1, is offered on another end face of cylinder 1
Mounting groove two, is provided with bearing one in mounting groove one, the outer ring of bearing one is fixed on the cell wall of mounting groove one, bearing one it is interior
Installation axle one is worn and is fixed with circle, offers axial trough one, peace is fixed with working plate 2 on the axial plane of installation axle one end
Dress seat one, mounting seat one include the upper transverse part one being parallel to each other, inferior transverse part one and are vertically fixed on upper transverse part one and inferior transverse part one
Between vertical portion one, offer the locating slot one in V-shape on the upper surface of inferior transverse part one, installation axle one is in upper transverse part one
And inferior transverse part one between and it is placed on the screwed hole one for offering insertion in locating slot one at the upper surface of upper transverse part one, screw thread
Kong Yizhong is threaded with a screw one, connects during the lower end of the screw one is in axial trough one and with the bottom land of axial trough one
Touch；Bearing two is provided with mounting groove two, the outer ring of bearing two is fixed on the cell wall of mounting groove two, wears in the inner ring of bearing two
And if be fixed with installation axle two, axial trough two is offered on the axial plane of two end of installation axle, on working plate 2, mounting seat is fixed with
Two, mounting seat two includes the upper transverse part two being parallel to each other, inferior transverse part two and is vertically fixed between upper transverse part two and inferior transverse part two
Vertical portion two, offer the locating slot two in V-shape on the upper surface of inferior transverse part two, installation axle two in upper transverse part two and under
Between transverse part two and it is placed on the screwed hole two for offering insertion in locating slot two at the upper surface of upper transverse part two, screwed hole two
In be threaded with a screw two, the lower end of the screw two contacts in axial trough two and with the bottom land of axial trough two；
Mounting groove three is offered on one of end face of the cylinder 28, is offered on another end face of cylinder 28
Mounting groove four, is provided with bearing three in mounting groove three, the outer ring of bearing three is fixed on the cell wall of mounting groove three, bearing three it is interior
Installation axle three is worn and is fixed with circle, offers axial trough three, peace is fixed with slide plate 5 on the axial plane of the one end of installation axle three
Dress seat three, mounting seat three include the upper transverse part three being parallel to each other, inferior transverse part three and are vertically fixed on upper transverse part three and inferior transverse part three
Between vertical portion three, offer the locating slot three in V-shape on the upper surface of inferior transverse part three, installation axle three is in upper transverse part three
And inferior transverse part three between and it is placed on the screwed hole three for offering insertion in locating slot three at the upper surface of upper transverse part three, screw thread
Kong Sanzhong is threaded with a screw three, connects during the lower end of the screw three is in axial trough three and with the bottom land of axial trough three
Touch；Bearing four is provided with mounting groove four, the outer ring of bearing four is fixed on the cell wall of mounting groove four, wears in the inner ring of bearing four
And if be fixed with installation axle four, axial trough four is offered on the axial plane of four end of installation axle, mounting seat four on slide plate 5, is fixed with, pacify
Dress seat four include the upper transverse part four being parallel to each other, inferior transverse part four and be vertically fixed on it is vertical between upper transverse part four and inferior transverse part four
Portion four, offers the locating slot four in V-shape on the upper surface of inferior transverse part four, installation axle four is in upper transverse part four and inferior transverse part four
Between and be placed on the screwed hole four for offering insertion in locating slot four at the upper surface of upper transverse part four, screw thread in screwed hole four
A screw four is connected with, is contacted during the lower end of the screw four is in axial trough four and with the bottom land of axial trough four.
The operation principle of this treadmill belt device for testing tensile force is such：
First, treadmill belt static state elongation percentage test：
Treadmill belt is set between cylinder 1 and cylinder 28, in an initial condition, treadmill belt is in releasing orientation
's；Rotating shaft 4 is made to start to rotate by rotating handwheel 21, rotating shaft 4 drives screw mandrel 19 to rotate after rotating, and screw mandrel 19 rotates rear thread
The nut 18 being connected on screw mandrel 19 is moved, and nut 18 is moved and drives slide plate 5 along guide rail 1 and guide rail by sliding shoe 17 again
Two movements, now, cylinder 28 makes treadmill belt be in slight tensioning state away from cylinder 1；Force value sensor 15 passes through power
Tensile force on treadmill belt is shown by value digital display meter；Open air pump, rotation manual reversal valve 27, the piston rod of cylinder 13 to
Overhanging, promoting screw mandrel 19 to move, screw mandrel 19 drives nut 18 to move again, nut 18 is moved and slide plate driven by sliding shoe 17 again
5 move along guide rail 1 and guide rail two, now, cylinder 28 away from cylinder 1, so as to tense treadmill belt；By air relief valve 6,
Adjustment bleed pressure size, so as to adjust treadmill belt tensile force, till force value digital display meter shows the tensile force of regulation；Read
The data that displacement pointer 26 is shown on rule 25, and record；After being loaded onto the time (such as two hours) of regulation, again
Record data；The static elongation percentage of the difference of two secondary datas, as treadmill belt.
2nd, treadmill belt dynamic elongation percentage test：
10 rotating speed of direct current generator is adjusted to into maximum, is continuously run to the time (such as each run three hours) of regulation,
Read the data that show on 26 scale of displacement pointer and record；Difference between the data and first record data of this record
Value, the as dynamic elongation percentage of treadbelt.
Specific embodiment described herein is only explanation for example spiritual to the present invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement or replaced using similar mode to described specific embodiment
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more having used 1, frame herein；2nd, working plate；3rd, guide rail one；4th, rotating shaft；5th, slide plate；6th, reduce pressure
Valve；7th, cylinder one；8th, cylinder two；9th, driven pulley；10th, direct current generator；11st, drivewheel；12nd, carve band more；13rd, cylinder；14th, couple
Sleeve pipe；15th, force value sensor；16th, sliding eye；17th, sliding shoe；18th, nut；19th, screw mandrel；20th, hinge seat；21st, handwheel；22、
Handle；23rd, bearing block；24th, bearing；25th, rule；26th, displacement pointer；27th, the term such as hand-operated direction valve, but be not precluded from making
With the probability of other terms.It is used for the purpose of more easily describing and explaining the essence of the present invention using these terms；It
To be construed to any additional restriction be all contrary with spirit of the invention.
Claims (2)
1. treadmill belt static state elongation percentage method of testing in a kind of treadmill belt device for testing tensile force, treadmill belt device for testing tensile force include
Frame, is fixed with working plate in described frame, upper face one end of the working plate passes through axial restraint and circumferential turn
Dynamic mode is provided with cylinder one, parallel on the upper face other end of described working plate to be fixed with guide rail one and guide rail two,
The slide plate that can be slided along guide rail one and guide rail two is provided between the guide rail one and guide rail two, by axially on the slide plate
Mode that is fixed and circumferentially rotating is provided with cylinder two, and described cylinder one and cylinder two are parallel to each other, and the cylinder one and leads
The arranged direction of rail one is mutually perpendicular to, and treadmill belt, described cylinder one and are arranged between described cylinder one and cylinder two
Its actuating unit for rotating can be driven to be connected；The sliding eye in bar shaped is offered on described working plate, the sliding eye
Open up that direction is identical with the arranged direction of the guide rail one, described sliding eye is between guide rail one and guide rail two, the cunning
Sliding shoe is provided with dynamic hole, described sliding shoe top is fixed on described slide plate, and the sliding shoe bottom is fixed with spiral shell
Mother, is threaded with screw mandrel in described nut, working plate bottom axial restraint and circumferentially rotate and be provided with rotating shaft, institute
It is fluting end to state rotating shaft one end, and the rotating shaft other end is connection end, offers non-circular grafting on the end face at the fluting end
Groove, described inserting groove extend to connection extreme direction, and the connection end of described rotating shaft can drive the rotating mechanism which rotates with one
It is connected；Described working plate bottom is fixed with cylinder, the piston rod of the cylinder towards described screw mandrel and with screw mandrel phase
Mutually parallel, the piston rod end of the cylinder is fixed with splice sleeve, and the other end of the splice sleeve is fixed with force value sensing
Device, the other end of the force value sensor is with one end axial restraint of screw mandrel and circumferentially rotates, the shape of the screw mandrel other end
With the mating shapes of the inserting groove, the screw mandrel other end is plugged in described inserting groove；Set on described guide rail one
Slide block one is equipped with, slide block two on described guide rail two, is provided with, described slide plate is fixed on slide block one and slide block two；Described
Rule is further fixed on working plate, rule is parallel to each other with guide rail one, described slide plate end is fixed with displacement pointer,
Surface of the displacement pointer in rule, described force value sensor and a force value digital display meter that can manifest force value size
It is connected；Described actuating unit includes direct current generator, driven pulley, drivewheel and carves band more, and described direct current generator is fixed on cunning
On plate, drivewheel is fixed on the output shaft of direct current generator, and the driven pulley is fixed on cylinder one, and described bands of carving are arranged more
Between drivewheel and driven pulley；Hinge seat, described force value sensor are provided between described force value sensor and screw mandrel
It is fixed on hinge seat one end, described screw mandrel is arranged on the hinge seat other end axial restraint and by way of circumferentially rotating
On；Bearing block is fixed with described frame, bearing in described bearing block, is provided with, the inner ring of above-mentioned rotating shaft by bearing
Through and rotating shaft be fixedly connected with the inner ring of bearing, described rotating mechanism includes handwheel and handle, fixed in the middle part of described handwheel
At above-mentioned roller end, described handle is fixed on handwheel；The rectangular in cross-section of described inserting groove, the screw mandrel end
The section in portion is also rectangular；Described cylinder is connected with an air pump by trachea, is provided with hand-operated direction valve on the trachea；
The trachea is additionally provided with air relief valve, and described air relief valve is between hand-operated direction valve and cylinder；Characterized in that, treadmill belt
Static elongation percentage method of testing is comprised the following steps：A, treadmill belt is set between cylinder one and cylinder two, in original state
Under, treadmill belt is in releasing orientation；B, by rotate handwheel make rotating shaft start rotate, after axis of rotation drive screw mandrel turn
Dynamic, screw mandrel rotates the nut movement that rear thread is connected on screw mandrel, and nut movement drives slide plate along guide rail by sliding shoe again
One and guide rail two move, now, cylinder two away from cylinder one, make treadmill belt be in slight tensioning state；C, force value sensor
The tensile force on treadmill belt is shown by force value digital display meter；D, opening air pump, rotation manual reversal valve, the piston of cylinder
Bar is protruding, promotes screw mandrel movement, and screw mandrel drives nut to move again, and nut movement is again by sliding shoe drive slide plate along leading
Rail one and guide rail two are moved, now, cylinder two away from cylinder one, so as to tense treadmill belt；E, by air relief valve, adjust source of the gas pressure
Power size, so as to adjust treadmill belt tensile force, till force value digital display meter shows the tensile force of regulation；F, reading displacement pointer
The data for showing on the scale, and record；G, be loaded onto the time of regulation after, record data again；The difference of two secondary datas,
The as static elongation percentage of treadmill belt.
2. treadmill belt static state elongation percentage method of testing in a kind of treadmill belt device for testing tensile force according to claim 1, its
It is characterised by, the time for being loaded onto regulation is two hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410777650.7A CN104535245B (en) | 2013-10-11 | 2013-10-11 | Treadmill belt static state elongation percentage method of testing in a kind of treadmill belt device for testing tensile force |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310473080.8A CN103512692B (en) | 2013-10-11 | 2013-10-11 | Tension test device of running belt |
| CN201410777650.7A CN104535245B (en) | 2013-10-11 | 2013-10-11 | Treadmill belt static state elongation percentage method of testing in a kind of treadmill belt device for testing tensile force |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310473080.8A Division CN103512692B (en) | 2013-10-11 | 2013-10-11 | Tension test device of running belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104535245A CN104535245A (en) | 2015-04-22 |
| CN104535245B true CN104535245B (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410777650.7A Active CN104535245B (en) | 2013-10-11 | 2013-10-11 | Treadmill belt static state elongation percentage method of testing in a kind of treadmill belt device for testing tensile force |
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