CN109765101A - Flexible body-building cord retraction durability test machine and its test method - Google Patents
Flexible body-building cord retraction durability test machine and its test method Download PDFInfo
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- CN109765101A CN109765101A CN201910189522.3A CN201910189522A CN109765101A CN 109765101 A CN109765101 A CN 109765101A CN 201910189522 A CN201910189522 A CN 201910189522A CN 109765101 A CN109765101 A CN 109765101A
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Abstract
The invention discloses a kind of flexible body-building cord retraction durability test machines comprising rack, revolution belt operating mechanism, tensile test ring, handle clamp, position sensor and controller；The rack includes pedestal, side retaining frame and vertical frame, and the controller is connected with the revolution belt operating mechanism, position sensor and tensile test ring respectively.The smart structural design of flexible body-building cord retraction durability test machine provided by the invention, rationally, belt operating mechanism is turned round using annular revolving structure, it is too short effectively to solve conventional machines stroke, the excessive problem of volume, overall structure is simple, it is small in size, it is easily operated, it can be convenient, accurately, flexible durability test quickly is carried out to flexible body-building rope, research and development test or Product evaluation work to flexible body-building rope are brought convenience, effectively improve experiment work efficiency, conducive to popularization and application, flexible durability test especially suitable for the longer flexible body-building rope of length.
Description
Technical field
The present invention relates to flexible body-building rope experimental technique fields, and in particular to a kind of flexible body-building cord retraction durability
Testing machine and its test method.
Background technique
With social development, people's living standard is continuously improved, and people propose itself physical shapes and health status
Requirements at the higher level, exercise industry are developed.More and more people are added to body-building ranks, and flexible body-building rope be it is most economical,
A kind of fitness equipment of most convenient, is used by more and more people.
But flexible body-building rope is made of telescopic rubber, so there is flexible service life, limit of stretch length and drawing in it
Stretch the restriction of limit force value.If people are not knowing above-mentioned parameter, it is likely to flexible body-building rope occur in use
There are tumble injury, the situations such as strain so as to cause user in the case where rope is broken.So flexible service life, limit of stretch length and drawing
Stretching limit force value is that flexible body-building rope uses safe important parameter.But the limit of stretch of body-building telescopic rope is generally more than
5 meters or more, since the stroke of general tensile testing machine is too short, it is difficult to measure the authenticity of above-mentioned parameter；For this purpose, can only will draw
The volume of force tester designs very big, and occupied space is more.
Summary of the invention
In view of the above deficiencies, present invention aims at, a kind of smart structural design, rationally is provided, it is small in size, can facilitate,
Accurately, it quickly can be carried out the flexible body-building cord retraction durability test machine of performance test to flexible body-building rope progressive.
The object of the invention also resides in, and provides a kind of flexible body-building cord retraction durability test method.
To achieve the above object, provided technical solution is the present invention: a kind of flexible body-building cord retraction durability examination
Test machine comprising rack, revolution belt operating mechanism, tensile test ring, handle clamp, position sensor and controller, it is described
Rack includes pedestal, side retaining frame and vertical frame, and the revolution belt operating mechanism is horizontally set on pedestal, and two sides retaining frame corresponds to back
Two side positions for turning belt operating mechanism are set on the base, and the end position setting of the corresponding revolution belt operating mechanism of vertical frame exists
On pedestal, the position sensor is arranged in vertical frame, and the tensile test ring is arranged in vertical frame, and two handle clamps are symmetrically set
Set revolution belt operating mechanism on, and by revolution belt operating mechanism driving, the controller respectively with the revolution skin
Band operating mechanism, position sensor are connected with tensile test ring.
As an improvement of the present invention, the revolution belt operating mechanism include driving shaft, driven shaft, driving wheel roller,
Driven wheel roller, rotating belt and servo motor, driving shaft and driven shaft are set on the base by bearing block respectively, the driving wheel
Roller is fixed on driving shaft, and the driven wheel roller is fixed on driven shaft, and the rotating belt is wound on driving wheel roller and driven wheel
On roller, the servo motor drives the spindle rotation by transmission component.
As an improvement of the present invention, the transmission component includes the first angular wheel and the second angular wheel, this
Two angular wheels are fixed on driving shaft, and first angular wheel is arranged in the drive shaft of servo motor, and with described
One angular wheel is meshed.
As an improvement of the present invention, the handle clamp includes adjustment seat, vertical arm and lock screw, the adjustment seat
It is fixed by screws on rotating belt, which is equipped with strip adjustment hole, and the lower end of the vertical arm is equipped with threaded hole, institute
It states lock screw and is threaded into hole locking across strip adjustment hole, the upper end of the vertical arm is equipped with handle card hole.
As an improvement of the present invention, the vertical frame includes vertical bar, mandril, floating lever, adjusting screw rod, nut seat and hand
Wheel, the setting of two vertical bar perpendicular separations, the both ends of mandril are fixed on the upper end of two vertical bars, and the inner wall of vertical bar is equipped with to walk along its long side
To the lifting groove of extension, the adjusting screw rod is arranged in lifting groove by bearing block, and the nut seat activity is located at lifting groove
It is interior, and be adapted with the adjusting screw rod, the both ends of floating lever are fixed on nut seat, and adjusting screw rod is arranged in the handwheel
Upper end.
As an improvement of the present invention, the middle part on the floating lever is symmetrically arranged with two strip adjustment holes, the strip
Shape adjustment hole is equipped with limited post.
As an improvement of the present invention, the position sensor includes barrel shell and infrared inductor, the bottom of the barrel shell
Face is equipped with positioning column, and the infrared inductor is located in barrel shell, and infrared inductor is equipped on the side wall of the barrel shell
Corresponding opening is sequentially arranged at intervals the location hole with the positioning column Xiang Shiyu on the top plate of the side retaining frame.
A kind of flexible body-building cord retraction durability test method comprising following steps:
(1) handle on flexible body-building rope one end is fixed on handle clamp, it will be on the other end of flexible body-building rope
Handle passes through tensile test ring, and is fixed on another handle；
(2) revolution belt operating mechanism drives handle clamp to travel forward and stretch the flexible body-building rope；
(3) when being stretched to required length, position sensor incudes feedback signal to controller, controller control revolution belt fortune
Row mechanism stops working, and reads value of thrust that tensile test ring is tested and show, obtains pulling force data；Or
When being stretched to required length, position sensor incudes feedback signal to controller, turns round belt operating mechanism and drives handle
Hand fixture often backhauls dynamic, the scheduled number of reciprocating, realizes the testing fatigue to flexible body-building rope；And or
The body-building rope that stretches described in belt operating mechanism continued extension is turned round, flexible body-building rope is made to be wound on revolution belt operation machine
The revolution belt surface of structure, until flexible body-building cord break, controller control revolution belt operating mechanism stops working, and records
The stroke distances of rotating belt obtain the limit of stretch length of flexible body-building rope.
The invention has the benefit that the structure of flexible body-building cord retraction durability test machine provided by the invention designs
Ingenious, reasonable, revolution belt operating mechanism is using annular revolving structure, and effectively solution conventional machines stroke is too short, volume is excessive
The problem of, overall structure is simple, and it is small in size, it is easily operated, convenient, accurately, quickly flexible body-building rope can stretch resistance to
Long property test, research and development test or Product evaluation work to flexible body-building rope are brought convenience, and effectively improve experiment work efficiency,
Flexible durability test conducive to popularization and application, especially suitable for the longer flexible body-building rope of length.
Detailed description of the invention
Fig. 1 is structure principle chart of the invention.
Fig. 2 is the structure principle chart that belt operating mechanism is turned round in the present invention.
Specific embodiment
Embodiment: referring to Fig. 1 and Fig. 2, a kind of flexible body-building cord retraction durability test machine provided by the invention, packet
Including rack 1, revolution belt operating mechanism 2, tensile test ring 3, handle clamp 4, position sensor 5 and controller 6, the rack
1 includes pedestal 11, side retaining frame 12 and vertical frame 13, and the revolution belt operating mechanism 2 is horizontally disposed on the pedestal 11, two sides retaining frame
On the pedestal 11, vertical frame 13 corresponds to revolution belt operating mechanism 2 for the two side positions setting of 12 corresponding revolution belt operating mechanisms 2
One end position is arranged on the pedestal 11, and the position sensor 5 is arranged in vertical frame 13, and the setting of tensile test ring 3 is perpendicular
On frame 13, two handle clamps 4 be symmetricly set on revolution belt operating mechanism 2 on, and by revolution belt operating mechanism 2 driving,
The controller 6 is connected with the revolution belt operating mechanism 2, position sensor 5 and tensile test ring 3 respectively.
Referring to fig. 2, the revolution belt operating mechanism 2 includes driving shaft 21, driven shaft 22, driving wheel roller 23, driven wheel
Roller 24, rotating belt 25 and servo motor 26, driving shaft 21 and driven shaft 22 are arranged on the pedestal 11 by bearing block respectively, described
Driving wheel roller 23 is fixed on driving shaft 21, and the driven wheel roller 24 is fixed on driven shaft 22, the rotating belt 25 wound on
On driving wheel roller 23 and driven wheel roller 24, the servo motor 26 drives the driving shaft 21 to rotate by transmission component.
In the present embodiment, the transmission component includes the first angular wheel and the second angular wheel, second angular wheel
Be fixed on driving shaft 21, first angular wheel is arranged in the drive shaft of servo motor 26, and with first taper
Gear is meshed.In other embodiments, it can also be substituted using pulley drive component or chain drive component.
Specifically, the handle clamp 4 includes adjustment seat 41, vertical arm 42 and lock screw 43, the adjustment seat 41 passes through
Screw is fixed on rotating belt 25, which is equipped with strip adjustment hole, and the lower end of the vertical arm 42 is equipped with threaded hole,
The lock screw 43 passes through strip adjustment hole and is threaded into hole locking, and the upper end of the vertical arm 42 is equipped with handle card hole.It should
The handle of handle card hole and flexible body-building rope is interference fit.After unscrewing lock screw 43, before adjustable handle clamp 4
Position afterwards after being transferred to required position, then tightens lock screw 43, realizes fixed purpose.
The vertical frame 13 includes vertical bar 131, mandril 132, floating lever 133, adjusting screw rod 134, nut seat and handwheel 135,
The setting of two vertical bars, 131 perpendicular separation, the both ends of mandril 132 are fixed on the upper end of two vertical bars 131, and the inner wall of vertical bar 131 is equipped with
The lifting groove extended is moved towards along its long side, the adjusting screw rod 134 is arranged in lifting groove by bearing block, and the nut seat is living
It is dynamic to be located in lifting groove, and be adapted with the adjusting screw rod 134, the both ends of floating lever 133 are fixed on nut seat, the hand
The upper end of adjusting screw rod 134 is arranged in wheel 135.By turn handwheel 135 drive adjusting screw rod 134 rotate, by nut seat with
Adjusting screw rod 134 matches, and the height of adjustment floating lever 133 may be implemented, and to meet different test operation requirements, is applicable in model
It encloses wide.Middle part on the floating lever 133 is symmetrically arranged with two strip adjustment holes, which is equipped with limit
Column, to prevent the displacement of tensile test ring 3, the accuracy of lifting test numerical value.
The position sensor 5 includes barrel shell and infrared inductor, and the bottom surface of the barrel shell is equipped with positioning column, described infrared
Sensing device is located in barrel shell, and the corresponding opening of infrared inductor is equipped on the side wall of the barrel shell, the side shield
The location hole with the positioning column Xiang Shiyu is sequentially arranged at intervals on the top plate of frame 12.Need to adjust the position of position sensor 5
When setting, positioning column need to be only inserted on the location hole of opposite position, it is simple, convenient.
When test, the body-building cord retraction durability test method that stretches is as follows:
(1) handle on flexible body-building rope one end is fixed on handle clamp 4, it will be on the other end of flexible body-building rope
Handle passes through tensile test ring 3, and is fixed on another handle；
(2) revolution belt operating mechanism 2 drives handle clamp 4 to travel forward and stretch the flexible body-building rope；
(3) when being stretched to required length, position sensor 5 incudes feedback signal to controller 6, the control revolution skin of controller 6
Band operating mechanism 2 stops working, and reads value of thrust that tensile test ring 3 is tested and show, obtains pulling force data；Or
When being stretched to required length, position sensor 5 incudes feedback signal to controller 6, turns round belt operating mechanism 2 and drives
Handle clamp 4 often backhauls dynamic, the scheduled number of reciprocating, realizes the testing fatigue to flexible body-building rope；And or
The body-building rope that stretches described in 2 continued extension of belt operating mechanism is turned round, flexible body-building rope is made to be wound on revolution belt operation
25 surface of rotating belt of mechanism 2, until flexible body-building cord break, the control revolution belt operating mechanism 2 of controller 6 stops work
Make, and record the stroke distances of rotating belt 25, obtains the limit of stretch length of flexible body-building rope.
Referring to table 1, for using the flexible body-building rope endurance test number of flexible body-building cord retraction durability test method
According to.
Table 1:
Referring to table 2, to use the flexible body-building rope ultimate tensile strength of flexible body-building cord retraction durability test method, applying
Power intensity data.
Table 2:
Revolution belt operating mechanism 2 in the present invention effectively solves that conventional machines stroke is too short, volume using annular revolving structure
Excessive problem, overall structure is simple, small in size, easily operated, convenient, accurately, quickly can stretch to flexible body-building rope
Contracting durability test, research and development test or Product evaluation work to flexible body-building rope are brought convenience, and effectively improve experiment work
Efficiency.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to of the invention
Some modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although being used in this specification
Some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.Such as the present invention
Described in above-described embodiment, using other testing machines and test method obtained from same or similar structure, in this hair
In bright protection scope.
Claims (8)
1. a kind of flexible body-building cord retraction durability test machine comprising rack, which is characterized in that it further includes revolution belt
Operating mechanism, tensile test ring, handle clamp, position sensor and controller, the rack include pedestal, side retaining frame and erect
Frame, the revolution belt operating mechanism are horizontally set on pedestal, the two sides position of the corresponding revolution belt operating mechanism of two sides retaining frame
It sets and is set on the base, an end position of the corresponding revolution belt operating mechanism of vertical frame is set on the base, the position sensor
It is arranged in vertical frame, the tensile test ring is arranged in vertical frame, and two handle clamps are symmetricly set on revolution belt operating mechanism
On, and by revolution belt operating mechanism driving, the controller respectively with the revolution belt operating mechanism, position sensor
It is connected with tensile test ring.
2. flexible body-building cord retraction durability test machine according to claim 1, which is characterized in that the revolution belt
Operating mechanism includes driving shaft, driven shaft, driving wheel roller, driven wheel roller, rotating belt and servo motor, and driving shaft and driven shaft divide
It is not set on the base by bearing block, the driving wheel roller is fixed on driving shaft, and the driven wheel roller is fixed on driven shaft
On, for the rotating belt on driving wheel roller and driven wheel roller, the servo motor drives the active by transmission component
Axis rotation.
3. flexible body-building cord retraction durability test machine according to claim 2, which is characterized in that the transmission component
Including the first angular wheel and the second angular wheel, which is fixed on driving shaft, first angular wheel
It is arranged in the drive shaft of servo motor, and is meshed with first angular wheel.
4. flexible body-building cord retraction durability test machine according to claim 2, which is characterized in that the handle clamp
Including adjustment seat, vertical arm and lock screw, the adjustment seat is fixed by screws on rotating belt, which is equipped with strip
Shape adjustment hole, the lower end of the vertical arm are equipped with threaded hole, and the lock screw passes through strip adjustment hole and is threaded into hole locking,
The upper end of the vertical arm is equipped with handle card hole.
5. flexible body-building cord retraction durability test machine according to claim 1, which is characterized in that the vertical frame includes
Vertical bar, mandril, floating lever, adjusting screw rod, nut seat and handwheel, the setting of two vertical bar perpendicular separations, the both ends of mandril are fixed on two
The upper end of vertical bar, the inner wall of vertical bar, which is equipped with, moves towards the lifting groove extended along its long side, and the adjusting screw rod is set by bearing block
It sets in lifting groove, the nut seat activity is located in lifting groove, and is adapted with the adjusting screw rod, and the both ends of floating lever are solid
It is scheduled on nut seat, the upper end of adjusting screw rod is arranged in the handwheel.
6. flexible body-building cord retraction durability test machine according to claim 5, which is characterized in that on the floating lever
Middle part be symmetrically arranged with two strip adjustment holes, the strip adjustment hole be equipped with limited post.
7. flexible body-building cord retraction durability test machine according to claim 1, which is characterized in that the location sensitive
Device includes barrel shell and infrared inductor, and the bottom surface of the barrel shell is equipped with positioning column, and the infrared inductor is located in barrel shell, and
It is equipped with the corresponding opening of infrared inductor on the side wall of the barrel shell, is sequentially arranged at intervals on the top plate of the side retaining frame
There is the location hole with the positioning column Xiang Shiyu.
8. a kind of flexible body-building cord retraction durability test method, which is characterized in that it includes the following steps:
(1) handle on flexible body-building rope one end is fixed on handle clamp, it will be on the other end of flexible body-building rope
Handle passes through tensile test ring, and is fixed on another handle；
(2) revolution belt operating mechanism drives handle clamp to travel forward and stretch the flexible body-building rope；
(3) when being stretched to required length, position sensor incudes feedback signal to controller, controller control revolution belt fortune
Row mechanism stops working, and reads value of thrust that tensile test ring is tested and show, obtains pulling force data；Or
When being stretched to required length, position sensor incudes feedback signal to controller, turns round belt operating mechanism and drives handle
Hand fixture often backhauls dynamic, the scheduled number of reciprocating, realizes the testing fatigue to flexible body-building rope；And or
The body-building rope that stretches described in belt operating mechanism continued extension is turned round, flexible body-building rope is made to be wound on revolution belt operation machine
The revolution belt surface of structure, until flexible body-building cord break, controller control revolution belt operating mechanism stops working, and records
The stroke distances of rotating belt obtain the limit of stretch length of flexible body-building rope.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910189522.3A CN109765101A (en) | 2019-03-13 | 2019-03-13 | Flexible body-building cord retraction durability test machine and its test method |
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| CN201910189522.3A CN109765101A (en) | 2019-03-13 | 2019-03-13 | Flexible body-building cord retraction durability test machine and its test method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112360A (en) * | 2021-11-24 | 2022-03-01 | 惠州市德赛西威汽车电子股份有限公司 | Rolling and pull rod durability testing device and using method |
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