CN206848144U - A kind of treadmill foot platform frictional testing machine - Google Patents

A kind of treadmill foot platform frictional testing machine Download PDF

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Publication number
CN206848144U
CN206848144U CN201720643731.7U CN201720643731U CN206848144U CN 206848144 U CN206848144 U CN 206848144U CN 201720643731 U CN201720643731 U CN 201720643731U CN 206848144 U CN206848144 U CN 206848144U
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China
Prior art keywords
balancing weight
foot platform
lifting
block
cylinder
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CN201720643731.7U
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Chinese (zh)
Inventor
胡刚翔
阮裕铭
黄炜
金锦长
施军晓
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Jinhua Entry Exit Inspection And Quarantine Bureau Integrated Technical Service Center
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Jinhua Entry Exit Inspection And Quarantine Bureau Integrated Technical Service Center
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Abstract

The utility model discloses a kind of treadmill foot platform frictional testing machine, it pulls balancing weight and foot platform to be tested by the driving of motor, when stabilization is under a voltage, motor provides stable power with stable power and draws foot platform, to test whether foot platform can be permanently deformed under rated pressure;When the power for increasing voltage to motor can pull foot platform, pulling force is tested by strength sensor, with reference to the quality of balancing weight and foot platform to be tested calculate and can obtain the coefficient of friction of foot platform, realize test by way of automation on the whole;The degree of accuracy can be higher.And the conveying of foot platform completes input and output by cylinder, need not also go to move weight, tester is more laborsaving and safe.

Description

A kind of treadmill foot platform frictional testing machine
Technical field
A kind of tester is the utility model is related to, more particularly, to one kind test treadmill treadmill belt both sides foot platform Coefficient of friction testing machine.
Background technology
With the development and the improvement of people's living standards in epoch, while also because the exacerbation of environmental pollution, more people During this motion of selection running, gymnasium or oneself purchase treadmill is more gone to perform physical exercise, the properties of treadmill Can ensure user safety carry out take exercise by running.
The foot platform of treadmill is the position trampled for people positioned at treadmill belt both sides, when runner staggers or special When situation will be rapidly separated treadmill belt, pin is stepped on foot platform and to buttress handle be most fast safest mode, so to pin Smash that the test of the coefficient of friction of platform is most important, by qualified product and the treadmill manufactured, people can be safe for test Trample foot platform and it is non-slip.
The method of testing of existing foot platform coefficient of friction, foot platform a is kept flat when as shown in Figure 1, weight in upper face pressure Gauge block b, pulled by rope c, gravity is relied on by weight d, stably testing foot platform for a period of time in certain power whether can Deformation;And with weight d increase, to critical point the stiction of maximum can be overcome to pull foot platform a and weight block b, The coefficient of friction of foot platform can be obtained to determine if to meet standard by calculating.This mode automaticity is low, And not accurate enough, weight and weight block carry laborious trouble.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided it is a kind of simple in construction, automaticity is improved, Simplify manual working, save labour, improve the treadmill foot platform frictional testing machine of test accuracy.
The utility model uses following technical scheme:A kind of treadmill foot platform frictional testing machine, including frame, driving Component, balancing weight, lifting component and conveying assembly, drive component are arranged in frame, drive component include mounting bracket, slide bar, Screw rod, motor, balladeur train, pull rope, mounting bracket be two and set up separately and be fixedly installed in frame both sides, slide bar on mounting bracket, spiral shell Bar is rotatably arranged on mounting bracket, and motor is installed on a mounting bracket and connecting screw one end is driven, and balladeur train can Sliding is set on slide bar and screw rod, and screw rod rotation drives balladeur train sliding, and pull rope is two, two pull rope one end difference The left and right sides of balladeur train is fixed on, the other end is individually fixed in balancing weight afterwards through the pulley on the mounting bracket of respective side The bearing of the left and right sides, side mounting bracket and pull rope is provided with strength sensor;Lifting component is located at balancing weight initial bit The lower section put, lifting component include lifting cylinder and lifting block, and frame includes base, is provided with what is passed through for lifting block on base Opening;Conveying assembly includes propulsion cylinder, releases cylinder and delivery track, and propulsion cylinder and release cylinder are located at balancing weight respectively The front and rear sides of initial position, the bottom of balancing weight have a breach;Foot platform to be tested is placed into conveyor track during use Road, foot platform is pushed to balancing weight initial position by propulsion cylinder, is now lifted the counterweight that the lifting block lifting of cylinder Fallen within block on foot platform, positioning is matched with the side of foot platform by breach, electric motor starting is by screw rod rotation driving balladeur train Tense pull rope and apply stable power to foot platform;When continuing to increase voltage to motor, voltage increases to motor and can continue to When driving screw rod rotation, balladeur train is synchronized with the movement and pulls balancing weight and foot platform to slide, and strength sensor synchronously measures pulling When power;Rotated backward by motor and making alive driving balancing weight and foot platform return to initial position, matched somebody with somebody by lifting block lifting Pouring weight, foot platform is pushed out to delivery track by release cylinder.
As an improvement balancing weight sets retaining wall in the both sides of its activity direction, breach is formed by both sides retaining wall, counterweight When block is placed on foot platform to be tested, the depth of retaining wall is less than the thickness of foot platform.
As an improvement lifting component has four in the lower section of balancing weight initial position of four groups and corresponding four groups of openings Corner is set, and lifting block includes base and is arranged on the lateral mass that on base and two sides surrounds, and base and lateral mass form a positioning gear The rectangular channel of wall corner, the direction of four rectangular channels correspond to the corner of retaining wall;Four lifting cylinder synchronous workings are released or withdrawn, Four rectangular channels are positioned at the corner of retaining wall by balancing weight lifting or put down.
As an improvement balancing weight activity direction is provided at both ends with limit induction component, limit induction component includes The block of pivoting and the sensor being arranged on the outside of block, the riser coordinated with sensor is provided with block;Work as counterweight Block rotation is promoted when block and foot platform are slid at block, sensor response makes motor when riser is rotated to sensor It is stopped.
As an improvement being provided with a rotating wheel on block, rotating wheel contradicts balancing weight in end;Torsion is provided with axle Spring, torsion spring is compressed when balancing weight contradicts rotating wheel, torsion spring drives block to reset when balancing weight reversely leaves, and axle is arranged on one On seat, riser is stopped the rotation position of limit stop by bearing when torsion spring resets.
As an improvement releasing cylinder includes a push pedal, the retrieving position of push pedal corresponds to the initial position of balancing weight, when Stopped when foot platform pushes to the initial position of balancing weight in place by propulsion cylinder by push pedal and positioned.
As an improvement being provided with limiting plate along balancing weight activity direction on base, limiting plate is arranged on balancing weight Both sides, close to release cylinder spacing Board position it is corresponding with the retrieving position of push pedal concordant.
The beneficial effects of the utility model:Balancing weight and foot platform to be tested are pulled by the driving of motor, when steady When being scheduled under a voltage, motor provides stable power with stable power and draws foot platform, to test foot platform specified Whether can be permanently deformed under pressure;When the power for increasing voltage to motor can pull foot platform, surveyed by strength sensor Pulling force is tried, the coefficient of friction of foot platform can be obtained by with reference to the quality of balancing weight and foot platform to be tested calculate, whole Test is realized on body by way of automation;The degree of accuracy can be higher.And the conveying of foot platform is completed to input by cylinder Output, need not also go to move weight, tester is more laborsaving and safe.
Brief description of the drawings
Fig. 1 is the structural representation of test device in the prior art.
Fig. 2 is the dimensional structure diagram of the utility model treadmill foot platform frictional testing machine.
Fig. 3 is the part-structure top view of the utility model treadmill foot platform frictional testing machine.
Fig. 4 is that the balancing weight of the utility model treadmill foot platform frictional testing machine and the stereochemical structure of lifting component are shown It is intended to.
Fig. 5 is the stereochemical structure signal of the limit induction component of the utility model treadmill foot platform frictional testing machine Figure.
Embodiment
Specific embodiment of the utility model is elaborated below in conjunction with accompanying drawing.
As shown in Figure 2-5, it is the specific embodiment of the utility model treadmill foot platform frictional testing machine.The embodiment Including frame 1, drive component 2, balancing weight 3, lifting component 4 and conveying assembly 5, drive component 2 is arranged in frame 1, driving Component 2 includes mounting bracket 21, slide bar 22, screw rod 23, motor 24, balladeur train 25, pull rope 26, and mounting bracket 21 is two and set up separately The both sides of frame 1, slide bar 22 are fixedly installed on mounting bracket 21, and screw rod 23 is rotatably arranged on mounting bracket 21, and motor 24 is pacified It is driven loaded on a mounting bracket 21 and one end of connecting screw 23, the slip of balladeur train 25 is set in slide bar 22 and screw rod 23 On, the rotation of screw rod 23 drives balladeur train 25 to slide, and pull rope 26 is two, and two one end of pull rope 26 are individually fixed in balladeur train 25 The left and right sides, the other end are individually fixed in the left and right two of balancing weight 3 through the pulley 27 on the mounting bracket 21 of respective side afterwards Side, the bearing of side mounting bracket 21 and pull rope 26 are provided with strength sensor 28;It is initial that lifting component 4 is located at balancing weight 3 The lower section of position, lifting component 4 include lifting cylinder 41 and lifting block 42, and frame 1 includes base 11, confession is provided with base 11 The opening 12 that lifting block 42 passes through;Conveying assembly 5 includes propulsion cylinder 51, releases cylinder 52 and delivery track 53, propulsion cylinder 51 are located at the front and rear sides of the initial position of balancing weight 3 with cylinder 52 is released respectively, and the bottom of balancing weight 3 has a breach 31.
When in use, the lifting block 42 that original state balancing weight 3 is lifted cylinder 41 lifts the utility model, vacates lower section Position enters for foot platform, the state that pull rope 26 is not tensioned, therefore balancing weight 3 is movable unaffected.Tester Foot platform to be tested is placed into delivery track 53, pushed by propulsion cylinder 51 under foot platform to the place of balancing weight 3 Side i.e. the initial position of balancing weight 3 (position where lifting component 4), fall within foot platform under balancing weight 3, by breach 31 Positioning is matched with the side of foot platform, motor 24 starts tenses pull rope 26 to foot-operated flat by the rotation driving balladeur train 25 of screw rod 23 Platform applies stable power, and motor 24 provides stable power with stable power and draws foot platform, to test foot platform specified Whether can be permanently deformed under pressure;When continuing to increase voltage to motor 24, voltage increases to motor 24 and can continue to drive screw rod During 23 rotation, balladeur train 25 is synchronized with the movement and pulls balancing weight 3 and foot platform to slide, when strength sensor 28 synchronously measures pulling Power, obtained data combination balancing weight 3 and the quality of foot platform to be tested carry out calculate can obtain rubbing for foot platform Coefficient is wiped, so as to be accurately obtained the whether standard compliant result of foot platform;The process resetted is tested, by motor 24 Rotate backward and making alive driving balancing weight 3 and foot platform return to initial position, by the lifting balancing weight 3 of lifting block 42, by pushing away Go out cylinder 52 and foot platform is pushed out to delivery track 53.Slide bar 22, screw rod 23, the fit system of balladeur train 25 make balladeur train 25 can The stable sliding on the slideway that slide bar 22, screw rod 23 form, makes power stably can bestow on balancing weight 3, also ensures that strength passes The data that sensor 28 gathers are accurate;The setting of two pull ropes 26 make balancing weight 3 can to both direction activity, can pull with And reset, pull rope 26 is around on the pulley 27 of mounting bracket 21, makes pull rope 26 arrange in order, the shape that pull rope 26 is not tensioned State, it is easy to the adjustment of balancing weight 3;Opening 12 is located at four corners of balancing weight 3, does not influence foot platform on the pedestal 11 Power, both receiving foot platforms, order that the breach 31 of balancing weight 3 is good are good spacing, even if the foot platform in experimentation It is stuck in breach 31, releasing cylinder 52 can also be pushed out to delivery track 53.The utility model passes through automation on the whole Mode realize test;The degree of accuracy can be higher.And the conveying of foot platform completes input and output by cylinder, need not also go to remove Dynamic weight, tester are more laborsaving and safe.
As an improvement embodiment, balancing weight 3 its activity direction both sides set retaining wall 32, breach 31 Formed by both sides retaining wall 32, when balancing weight 3 is placed on foot platform to be tested, the depth of retaining wall 32 is less than foot platform Thickness.By front and rear retaining wall 32 spacing foot platform, on the one hand it can ensure that foot platform can be smoothly when producing slip Synchronous slide is driven by balancing weight 3, one side another side is easy to foot platform to be pushed out cylinder 52 to release to delivery track 53, Even if foot platform is blocked by breach 31, in 3 lifting of balancing weight, foot platform is stuck at breach 31, can also be relied on and be released gas The covering range of the push pedal 521 of cylinder 52, which shifts foot platform onto, makes its disengaging drop, and is smoothly pushed out to delivery track 53;Retaining wall 32 Depth be less than the thickness of foot platform, even if making foot platform have deformation, be not easy to side balancing weight 3 occur to be dragged to base 11 On, cause base 11 to be scraped off, so as to ensure that part is not easy to wear, increase the service life.
As an improvement embodiment, lifting component 4 has four groups and corresponding four groups of openings 12 at the beginning of balancing weight 3 Beginning, four corners of lower section of position set, and lifting block 42 includes base 421 and is arranged on base 421 and side that two sides surrounds Block 422, base 421 and lateral mass 422 form the rectangular channel 423 of positioning retaining wall 32 corner, and the direction of four rectangular channels 423 is corresponding The corner of retaining wall 32;Four synchronous workings of lifting cylinder 41 are released or withdrawn, and four rectangular channels 423 are positioned at the corner of retaining wall 32 By the lifting of balancing weight 3 or put down.The lifting balancing weight 3 that the lifting component 4 of synchronous working can be stablized, the specific knot of lifting block 42 Structure can be well it is spacing, the corner of retaining wall 32 is contained in rectangular channel 423, as shown in figure 4, balancing weight 3 is by good branch Support, and surrounding lateral mass 422 is formed and stopped, and balancing weight 3 will not produce sliding, and structure movement is stable, the position placed downwards It is accurate to ensure.
As an improvement embodiment, the activity direction of balancing weight 3 is provided at both ends with limit induction component 6, Limit induction component 6 includes the block 61 rotated around axle 65 and the sensor 62 for being arranged on the outside of block 61, is set on block 61 There is the riser 63 coordinated with sensor 62;Promote block 61 to rotate when balancing weight 3 and foot platform are slid at block 61, erect Plate 63, which is rotated to the reaction of sensor 62 during 62 front of sensor, makes motor 24 be stopped.By balancing weight 3 in place afterwards to block 61 promotion, after cleverly realizing in place, block 61 is pushed completely out, and riser 63, which reaches sensor 62, obtains sensor 62 Signal in place, it is signaled to motor 24 and makes it be stopped, it is real with cleverly structure so as to improve the function of bulk testing machine Now it is automatically stopped operation;Balancing weight 3 stops in time after one side guarantee test data acquisition, on the one hand can ensure balancing weight 3 accurately return to initial position.
As an improvement embodiment, be provided with a rotating wheel 64 on block 61, rotating wheel 64 is supported in end Touch balancing weight 3;Torsion spring is provided with axle 65, torsion spring is compressed when balancing weight 3 contradicts rotating wheel 64, when balancing weight 3 reversely leaves Torsion spring drives block 61 to reset, and axle 65 is arranged on a bearing 66, and riser 63 stops limit stop by bearing 66 when torsion spring resets 61 rotation position.The setting of rotating wheel 64 play it is good be in contact with balancing weight 3, during block 61 is promoted, rotation Contact position can change when turning, and realized using rotating wheel 64 and roll cooperation, avoid interstructural impaired, the guarantee balancing weight 3 that collides with Quality it is accurate.The setting of torsion spring makes block 61 reset, and mutually stops defined position with bearing 66 by riser 63 when resetting, and ties Structure is ingenious.
As an improvement embodiment, release cylinder 52 include a push pedal 521, the retrieving position of push pedal 521 The initial position of corresponding balancing weight 3, when foot platform pushes to the initial position of balancing weight 3 in place by propulsion cylinder 51 by pushing away Plate 521 stops positioning.It is accurate when foot platform is pushed to 3 initial position of balancing weight that the position of push pedal 521 ensure that, raising is matched somebody with somebody The relative position accuracy placed on it of pouring weight 3, ensure that the data of all tests are unified accurate, error is smaller caused by instrument.
As an improvement embodiment, the activity direction of balancing weight 3 is provided with limiting plate 13 on base 11, Limiting plate 13 is arranged on the both sides of balancing weight 3, close to the position of limiting plate 13 for releasing cylinder 52 and the retrieving position pair of push pedal 521 Should be concordant.The activity skew that the further specification balancing weight 3 of limiting plate 13 and foot platform are likely to occur after being pulled is set, really Guarantor's balancing weight 3 and foot platform position when resetting are accurate, and foot platform can accurately be released by releasing cylinder 52.
It the above is only preferred embodiment of the present utility model, the scope of protection of the utility model is not limited merely to above-mentioned Embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should be pointed out that pair For those skilled in the art, some improvements and modifications under the premise of the utility model principle is not departed from, These improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims (7)

  1. A kind of 1. treadmill foot platform frictional testing machine, it is characterised in that:Including frame (1), drive component (2), balancing weight (3), lifting component (4) and conveying assembly (5), the drive component (2) are arranged in frame (1), and drive component (2) includes peace (21), slide bar (22), screw rod (23), motor (24), balladeur train (25), pull rope (26) are shelved, the mounting bracket (21) is two And set up separately and be fixedly installed in frame (1) both sides, the slide bar (22) on mounting bracket (21), the screw rod (23) is rotatable to be set Put on mounting bracket (21), the motor (24) is installed on a mounting bracket (21) and connecting screw (23) one end is driven Dynamic, balladeur train (25) slip is set on slide bar (22) and screw rod (23), and screw rod (23) rotation drives balladeur train (25) sliding, the pull rope (26) is two, and two pull rope (26) one end are individually fixed in the left and right sides of balladeur train (25), The other end is individually fixed in the left and right sides of balancing weight (3) through the pulley (27) on the mounting bracket (21) of respective side afterwards, The bearing of side mounting bracket (21) and pull rope (26) is provided with strength sensor (28);The lifting component (4) is located at and matched somebody with somebody The lower section of pouring weight (3) initial position, lifting component (4) include lifting cylinder (41) and lifting block (42), and the frame (1) includes Base (11), the opening (12) passed through for lifting block (42) is provided with the base (11);The conveying assembly (5) includes pushing away Inlet casing (51), cylinder (52) and delivery track (53) are released, the propulsion cylinder (51) and release cylinder (52) are located at respectively The front and rear sides of balancing weight (3) initial position, the bottom of the balancing weight (3) have a breach (31);It is to be tested during use Foot platform is placed into delivery track (53), pushes foot platform to balancing weight (3) initial position by propulsion cylinder (51), now Be lifted under the balancing weight (3) that lifting block (42) lifting of cylinder (41) and fall within foot platform, by breach (31) with it is foot-operated The side matching positioning of platform, motor (24) starts tenses pull rope (26) to foot-operated by screw rod (23) rotation driving balladeur train (25) Platform applies stable power;When continuing to increase voltage to motor (24), voltage increases to motor (24) and can continue to drive screw rod (23) when rotating, balladeur train (25) is synchronized with the movement and pulls balancing weight (3) and foot platform to slide, strength sensor (28) same to pacing Go out power when pulling;Rotated backward by motor (24) and making alive driving balancing weight (3) and foot platform return to initial position, by Lifting block (42) lifting balancing weight (3), foot platform is pushed out to delivery track (53) by release cylinder (52).
  2. A kind of 2. treadmill foot platform frictional testing machine according to claim 1, it is characterised in that:The balancing weight (3) retaining wall (32) is set in the both sides of its activity direction, the breach (31) is formed by both sides retaining wall (32), the balancing weight (3) when being placed on foot platform to be tested, the depth of retaining wall (32) is less than the thickness of foot platform.
  3. A kind of 3. treadmill foot platform frictional testing machine according to claim 2, it is characterised in that:The lifting component (4) there are four groups and corresponding four groups of openings (12) are set in four corners of the lower section of balancing weight (3) initial position, the lifting block (42) include base (421) and be arranged on the lateral mass (422) that on base (421) and two sides surrounds, the base (421) and lateral mass (422) rectangular channel (423) of positioning retaining wall (32) corner is formed, the direction of four rectangular channels (423) corresponds to retaining wall (32) Corner;Four lifting cylinder (41) synchronous workings are released or withdrawn, and the corner that four rectangular channels (423) are positioned at retaining wall (32) will Balancing weight (3) lifting is put down.
  4. A kind of 4. treadmill foot platform frictional testing machine according to claim 1 or 2 or 3, it is characterised in that:It is described to match somebody with somebody Pouring weight (3) activity direction is provided at both ends with limit induction component (6), and the limit induction component (6) includes turning around axle (65) Dynamic block (61) and the sensor (62) being arranged on the outside of block (61), it is provided with the block (61) and sensor (62) The riser (63) of cooperation;Block (61) rotation, riser are promoted when balancing weight (3) and foot platform slide into block (61) place (63) sensor (62) reaction makes motor (24) be stopped when in front of rotation to sensor (62).
  5. A kind of 5. treadmill foot platform frictional testing machine according to claim 4, it is characterised in that:The block (61) On be provided with a rotating wheel (64), the rotating wheel (64) contradicts balancing weight (3) in end;Torsion is provided with the axle (65) Spring, torsion spring is compressed when balancing weight (3) contradicts rotating wheel (64), torsion spring drives block (61) multiple when balancing weight (3) reversely leaves Position, the axle (65) are arranged on a bearing (66), and riser (63) stops limit stop by bearing (66) when the torsion spring resets (61) rotation position.
  6. A kind of 6. treadmill foot platform frictional testing machine according to claim 1 or 2 or 3, it is characterised in that:It is described to push away Going out cylinder (52) includes a push pedal (521), and the retrieving position of the push pedal (521) corresponds to the initial position of balancing weight (3), works as pin Smash and positioning is stopped by push pedal (521) when platform pushes to the initial position of balancing weight (3) in place by propulsion cylinder (51).
  7. A kind of 7. treadmill foot platform frictional testing machine according to claim 6, it is characterised in that:The base (11) On balancing weight (3) activity direction is provided with limiting plate (13), the limiting plate (13) is arranged on the both sides of balancing weight (3), It is corresponding concordant close to limiting plate (13) position and the retrieving position of push pedal (521) for releasing cylinder (52).
CN201720643731.7U 2017-06-05 2017-06-05 A kind of treadmill foot platform frictional testing machine Active CN206848144U (en)

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CN201720643731.7U CN206848144U (en) 2017-06-05 2017-06-05 A kind of treadmill foot platform frictional testing machine

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Application Number Priority Date Filing Date Title
CN201720643731.7U CN206848144U (en) 2017-06-05 2017-06-05 A kind of treadmill foot platform frictional testing machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107063995A (en) * 2017-06-05 2017-08-18 金华出入境检验检疫局综合技术服务中心 A kind of treadmill foot platform frictional testing machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107063995A (en) * 2017-06-05 2017-08-18 金华出入境检验检疫局综合技术服务中心 A kind of treadmill foot platform frictional testing machine

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