CN110186607A - Tension detecting apparatus and its vibration trigger - Google Patents
Tension detecting apparatus and its vibration trigger Download PDFInfo
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- CN110186607A CN110186607A CN201910517577.2A CN201910517577A CN110186607A CN 110186607 A CN110186607 A CN 110186607A CN 201910517577 A CN201910517577 A CN 201910517577A CN 110186607 A CN110186607 A CN 110186607A
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- push rod
- eccentric wheel
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- vibration trigger
- return unit
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 63
- 230000007246 mechanism Effects 0.000 claims description 22
- 230000001133 acceleration Effects 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 abstract description 54
- 239000010959 steel Substances 0.000 abstract description 54
- 230000035939 shock Effects 0.000 description 32
- 238000010586 diagram Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 7
- 230000010355 oscillation Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/042—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands by measuring vibrational characteristics of the flexible member
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- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of tension detecting apparatus and its vibration triggers, and vibration trigger includes the first rotary drive, eccentric wheel, push rod, guide holder and return unit, and the output end of the first rotary drive connect with eccentric wheel and eccentric wheel is driven to rotate；The curved profile that there is eccentric wheel radius to be gradually increased, and the cliff of displacement is formed between least radius and maximum radius；Push rod sliding property is arranged on guide holder, and one end of push rod is connected to the periphery of eccentric wheel；Return unit is set on push rod, and one end of return unit is connected to push rod, and the other end is connected to guide holder.By abutting the periphery of eccentric wheel with push rod, so as to convert the rotary motion of eccentric wheel to the linear motion of push rod, and shaken using push rod triggering steel band, to reduce error brought by artificial triggering steel band.And the return unit by being set on push rod resets push rod, the periphery that push rod can be made to be connected to eccentric wheel always realizes reciprocating motion.
Description
Technical field
The present invention relates to field of fuel cell technology, and in particular to a kind of tension detecting apparatus and its vibration trigger.
Background technique
During fuel cell manufacture, need that fuel cell is bundled into pile using steel band.After the completion of tying up, need
The tension for detecting steel band, prevents from tying up insecure.The tension for detecting steel band is calculated by the vibration frequency of steel band, thus
Needing to trigger steel band shakes steel band.Currently, generally triggered by the way of artificially triggering, it is still, artificial to trigger
When can to the vibration of steel band generate interference, bring biggish detection error.
Summary of the invention
The present invention provides a kind of tension detecting apparatus and its vibration trigger, and to solve steel band vibration frequency, there are errors
Technical problem.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of vibration trigger is provided, it is described
Shaking trigger includes the first rotary drive, eccentric wheel, push rod, guide holder and return unit, first rotary drive
Output end connect with the eccentric wheel and the eccentric wheel driven to rotate；The curve that there is the eccentric wheel radius to be gradually increased
Profile, and the cliff of displacement is formed between least radius and maximum radius；The push rod sliding property is arranged on the guide holder, and
One end of the push rod is connected to the periphery of the eccentric wheel；The return unit is set on the push rod and is located at the bias
Between wheel and the guide holder, one end of the return unit is connected to the push rod, and the other end is connected to the guide holder.
Optionally, the acceleration that the return unit resets the push rod is greater than the acceleration of the part rebound to be measured.
Optionally, the vibration trigger further includes rotating seat, and clamp port, the eccentric wheel are formed on the rotating seat
In the clamp port, and the opposite end difference rotational support of the rotary shaft of the eccentric wheel is in the rotating seat.
Optionally, it is provided with sensor on the rotating seat, sensing chip is provided in the rotary shaft of the eccentric wheel, it is described
Sensor and the sensing chip cooperate.
Optionally, the vibration trigger further includes mounting plate, first rotary drive and rotating seat difference
The opposite sides of the mounting plate is set, avoid holes, the output of first rotary drive are offered on the mounting plate
End wears the rotation axis connection for stretching out the avoid holes and the eccentric wheel.
Optionally, it is provided on the mounting plate and adjusts screw base and adjust screw, offered on the adjusting screw base
Along the screw hole of the push rod axial direction, the adjusting screw, which is worn, stretches out the screw hole, and is connected to the rotating seat, is used for
The rotating seat is driven to drive the eccentric wheel to close to the movement of the direction of the push rod.
Optionally, the vibration trigger further includes fixing seat, and the fixing seat is connect with the mounting plate, and described first
Rotary drive is arranged on the fixing seat.
Optionally, the vibration trigger further includes guide sleeve, and pilot hole, the guide sleeve accommodating are offered on the guide holder
In in the pilot hole, the push rod is threaded through in the guide sleeve.
Optionally, the push rod includes the first push rod main body and the second push rod main body of coaxial arrangement, first push rod
The diameter of main body is greater than the diameter of the second push rod main body in the first push rod main body and the second push rod main body
Junction forms stage portion, and the return unit is set in the second push rod main body, and one end of the return unit is connected to
The stage portion, the other end are connected to the guide holder.
In order to solve the above technical problems, another technical solution used in the present invention is: a kind of tension detecting apparatus is provided,
The tension detecting apparatus includes: driving mechanism, detection components and shakes trigger, the driving mechanism as previously described
It is connect with the vibration trigger and the detection components, and drives the vibration trigger and the detection components close to be measured
Part, the vibration trigger is for triggering the part to be measured, so that the part vibration to be measured, the detection components are for detecting institute
State the vibration frequency of part to be measured.
The beneficial effects of the present invention are: being in contrast to the prior art, the embodiment of the present invention has radius by setting
The eccentric wheel for the curved profile being gradually increased, and the periphery of eccentric wheel is abutted with push rod, so as to by the rotation of eccentric wheel
Conversion of motion is the linear motion of push rod, and is shaken using push rod triggering steel band, is brought to reduce artificial triggering steel band
Error.And the return unit by being set on push rod resets push rod, push rod can be made to be connected to eccentric wheel always
Periphery realize move back and forth.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the schematic view of the front view of the tension detecting apparatus in one embodiment of the invention；
Fig. 2 is the side structure schematic view of the tension detecting apparatus in Fig. 1；
Fig. 3 is the schematic view of the front view of the vibration trigger in Fig. 1；
Fig. 4 is the overlooking structure diagram of the vibration trigger in Fig. 3；
Fig. 5 is the eccentric wheel in Fig. 3 and the structural schematic diagram under push rod mated condition；
Fig. 6 is the schematic view of the front view of the vibration trigger in another embodiment of the present invention；
Fig. 7 is the schematic perspective view under runner block and drive rod mated condition in Fig. 6；
Fig. 8 is the schematic view of the front view of the vibration trigger in further embodiment of this invention；
Fig. 9 is that the shock portion in the vibration trigger in Fig. 6 moves to status diagram when abutting with push rod；
Figure 10 is that the shock portion in the vibration trigger in Fig. 6 moves to and status diagram when push rod disengaging；
Figure 11 is status diagram when abutting when the shock portion backhaul in the vibration trigger in Fig. 6 with push rod；
Figure 12 is the schematic view of the front view of the pile bailing band tension detection device in another embodiment of the present invention；
Figure 13 is the side structure schematic view of the pile bailing band tension detection device in Figure 12.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is the schematic view of the front view of the tension detecting apparatus in one embodiment of the invention, figure
2 be the side structure schematic view of the tension detecting apparatus in Fig. 1.The present invention provides a kind of tension detecting apparatus 100, for examining
Survey the tension of part to be measured.Tension detecting apparatus 100 includes driving mechanism 10, vibration trigger 20 and detection components 30.Wherein,
Driving mechanism 10 connect with vibration trigger 20 and detection components 30, and drive vibration trigger 20 and detection components 30 it is close to
Part is surveyed, vibration trigger 20 is for triggering part to be measured, so that part free oscillation to be measured, detection components 30 are for detecting part to be measured
Vibration frequency.
The embodiment of the present invention shakes trigger 20 and detection components 30 close to part to be measured by the driving of driving mechanism 10, and
Part free oscillation to be measured is triggered using vibration trigger 20, the vibration frequency of part to be measured, Jin Ergen are detected using detection components 30
According to the relationship of vibration frequency and tension, the tension on part to be measured is calculated, so that the tension value digitization of part to be measured, mentions
Rise detection accuracy；And driving mechanism 10 can carry out of next part to be measured automatically after the detection for completing a part to be measured
Power detection, and then detection efficiency can be promoted.
In one embodiment, part to be measured can be for for the conveyer belt in conveyer system, can by tension detecting apparatus 100
With the tension for detecting the conveyer belt being set on driving wheel and driven wheel.In the present embodiment, part to be measured is for tying up
The steel band of the pile of fuel cell, tension detecting apparatus 100 are used to detect the tension of steel band, tie up not to prevent pile
The phenomenon that being securely scattered.
Further, the relationship of the vibration frequency of steel band and tension are as follows: T=4ml2f2.Wherein, m is steel band unit length
Quality (kg/m)；L is the length (m) of steel band, which is the length that steel band can carry out flexible deformation；F is the shake of steel band
Dynamic frequency (HZ)；T is the tension (N) of steel band.
Optionally, in the present embodiment, as depicted in figs. 1 and 2, driving mechanism 10 includes the first driving assembly 11, first
Transfer plate 13, the second driving assembly 15, the second transfer plate 17 and third driving assembly 19.The driving end of first driving assembly 11
It is connect with the first transfer plate 13, for driving the first transfer plate 13 to move along first direction.The setting of second driving assembly 15 is the
On one transfer plate 13, the driving end of the second driving assembly 15 is connect with the second transfer plate 17, for driving 17 edge of the second transfer plate
Second direction is mobile.Third driving assembly 19 is arranged on the second transfer plate 17, the driving end of third driving assembly 19 and vibration
Trigger 20 and detection components 30 connect, for driving vibration trigger 20 and detection components 30 to move along third direction.Wherein,
First direction, second direction and third direction are mutually perpendicular to.
Specifically, as depicted in figs. 1 and 2, the driving end of the first driving assembly 11 is for driving 15 edge of the second driving assembly
X-direction shown in figure is mobile, and the driving end of the second driving assembly 15 is for driving third driving assembly 19 along Y shown in figure
Direction is mobile, and the driving end of third driving assembly 19 is for driving vibration trigger 20 and detection components 30 along Z shown in figure
Direction is mobile.In turn, the movement of vibration trigger 20 and detection components 30 on three-dimensional space may be implemented.So that the present embodiment
In vibration trigger 20 and detection components 30 have six direction on freedom degree so that vibration 20 He of trigger
The position precision of detection components 30 is higher, on the one hand can accurately trigger steel band and be shaken, on the other hand can also be in order to right
The vibration frequency of steel band is detected.
Certainly, in another embodiment, six-joint robot can also be set, by vibration trigger 20 and detection components 30
The output end of six-joint robot is set, vibration trigger 20 and detection components are realized by the movement and rotation of six-joint robot
30 position adjustment, and then realize the detection to steel band tension.
In the above-described embodiments, driving mechanism 10 can drive vibration trigger 20 and detection components 30 being mutually perpendicular to
Three directions on moved.It is to be appreciated that in other embodiments, it can also flexible setting driving mechanism as needed
10 driving direction.For example, driving mechanism 10 can drive vibration trigger 20 and detection components 30 to move up in one direction
It is dynamic；Alternatively, driving mechanism 10 can drive vibration trigger 20 and detection components 30 to move in orthogonal both direction,
The present invention is not specifically limited.
Further, as depicted in figs. 1 and 2, the first driving assembly 11 includes the first actuator 112, the first screw rod 114
And the first feed screw nut's (not shown), the output end of the first actuator 112 are connect with the first screw rod 114, the first screw rod
Nut is set on the first screw rod 114 and is cooperatively connected with the first screw rod 114, and the first feed screw nut and the first transfer plate 13 connect
It connects.Second driving assembly 15 includes the second actuator 152, the second screw rod 154 and second feed screw nut's (not shown), the
Two actuators 152 are arranged on the first transfer plate 13.The output end of second actuator 152 is connect with the second screw rod 154, and second
Feed screw nut is set on the second screw rod 154 and is cooperatively connected with the second screw rod 154, and the second feed screw nut and the second transfer plate
17 connections.Third driving assembly 19 includes third actuator 192, third screw rod 194, third feed screw nut 196 and link block
198, third actuator 192 is arranged on the second transfer plate 17, and the output end and third screw rod 194 of third actuator 192 connect
It connects, third feed screw nut 196 is set on third screw rod 194 and is cooperatively connected with third screw rod 194, and third feed screw nut
196 connect with link block 198, shake trigger 20 and detection components 30 are arranged on link block 198.
Wherein, in the present embodiment, the output shaft of the first actuator 112 is arranged in X direction, and by first shaft coupling with
The connection of first screw rod 114, the first screw rod 114 is threadedly engaged with the first feed screw nut to be connect.When the first actuator 112 drives first
When screw rod 114 rotates, the first screw rod 114 drives the first feed screw nut that the first transfer plate 13 being attached thereto is driven to move in X direction
It is dynamic.
The output shaft of second actuator 152 is arranged along Y-direction, and is connect by second shaft coupling with the second screw rod 154, the
Two screw rods 154 are threadedly engaged with the second feed screw nut to be connect.When the second actuator 152 drives the rotation of the second screw rod 154, second
Screw rod 154 drives the second feed screw nut that the second transfer plate 17 being attached thereto is driven to move along Y-direction.
The output shaft of third actuator 192 is arranged along Z-direction, and is connect by third shaft coupling with third screw rod 194, the
Three screw rods 194 are threadedly engaged with third feed screw nut 196 to be connect.When third actuator 192 drives third screw rod 194 to rotate,
Third screw rod 194 drives third feed screw nut 196 that the link block 198 being attached thereto is driven to move along Z-direction, and then drives setting
Vibration trigger 20 and detection components 30 on link block 198 are moved along Z-direction.
Optionally, the first actuator 112, the second actuator 152 and third actuator 192 can be motor, can also be with
For other rotational motion mechanisms.
Further, tension detecting apparatus 100 further includes bottom plate 40.First driving assembly 11 further includes the first guidance set
116, the first guidance set 116 includes the first guide part 116a being arranged on bottom plate 40 and is arranged on the first transfer plate 13
Second guide part 116b, the first transfer plate 13 are cooperated by the second guide part 116b and the first guide part 116a and are slided
It is supported in bottom plate 40.
Second driving assembly 15 further includes the second guidance set 156, and the second guidance set 156 includes being arranged in the first transfer
Third guide part 156a on plate 13 and the 4th guide part 156b being arranged on the second transfer plate 17, the second transfer plate 17 pass through
4th guide part 156b and third guide part 156a cooperates and is slidably supported on the first transfer plate 13.
Third driving assembly 19 further includes third guidance set 191, and third guidance set 191 includes being arranged in the second transfer
The 5th guide part 191a and the 6th guide part 191b being arranged on link block 198 on plate 17, link block 198, which passes through the 6th, leads
It cooperates to part 191b and the 5th guide part 191a and is slidably supported on the second transfer plate 17.
By the way that mutually matched first guidance set 116 is arranged between bottom plate 40 and the first transfer plate 13, can be used for
It is oriented to for the first transfer plate 13, to promote the robust motion of the second driving assembly 15.In the first transfer plate 13 and the second transfer
Mutually matched second guidance set 156 is set between plate 17, can be used for being oriented to for the second transfer plate 17, to promote third drive
The robust motion of dynamic component 19.Mutually matched third guidance set is set between the second transfer plate 17 and link block 198
191, it can be used for being oriented to for link block 198, to promote the robust motion of link block 198.And then it promotes driving mechanism 10 and transports
Dynamic stationarity, so that the movement of vibration trigger 20 and detection components 30 is more steady, and position adjustment is more accurate,
And then promote the detection accuracy of tension.
Wherein, the first guidance set 116, the second guidance set 156 and third guidance set 191 can be mutually to match
The sliding rail and sliding block of conjunction, or mutually matched guide rod and guide sleeve, the embodiment of the present invention are not specifically limited.
Further, as depicted in figs. 1 and 2, the first guidance set 116, the second guidance set 156 and third guiding
Component 191 includes two groups, and two group of first guidance set 116 is symmetrically arranged at the opposite sides of the first screw rod 114.Two groups
Second guidance set 156 is symmetrically arranged at the opposite sides of the second screw rod 154.Two groups of third guidance sets 191 are right respectively
Claim the opposite sides that third screw rod 194 is set.It is symmetrical arranged guidance set by the opposite sides in screw rod, the can be made
198 uniform force of one transfer plate 13, the second transfer plate 17 and link block, further lifting motion stationarity.
Optionally, in the present embodiment, the first actuator fixing seat (not shown) can also be set on bottom plate 40
With the first screw rod fixing seat (not shown).First actuator 112 is arranged in the first actuator fixing seat, the first screw rod
114 rotational supports are in the first screw rod fixing seat.It, can be in order to fixing the first actuator 112, and by such set-up mode
One screw rod fixing seat can also play the role of support to the first screw rod 114, can promote the stationarity of the movement of driving mechanism 10.
It is to be appreciated that the second actuator fixing seat is arranged on the first transfer plate 13 and the second screw rod is fixed
Seat.Third actuator fixing seat and third screw rod fixing seat can also be set on the second transplanting plate.Its setting form please refers to
The set-up mode of first actuator fixing seat and the first screw rod fixing seat, details are not described herein again.
Further, as depicted in figs. 1 and 2, the second transfer plate 17 includes the first plate body 172 and the second plate body 174, the
One plate body 172 is vertical with the second plate body 174 to be connect, and the first plate body 172 is connect with the second driving assembly 15, third driving assembly
19 are arranged on the second plate body 174.
Wherein, the first plate body 172 is parallel with the plane where the first transfer plate 13, the second plate body 174 and the first plate body
Plane where 172 is vertical.
Wherein, as shown in Fig. 2, detection components 30 include shock sensor 32, sensor fixation plate 34 and adjusting slide unit
36.Sensor fixation plate 34 is arranged on link block 198, adjusts slide unit 36 and is arranged on sensor fixation plate 34, vibration-sensing
Device 32 is connect with slide unit 36 is adjusted.It, can be in order to adjusting vibration-sensing by the way that shock sensor 32 to be connect with slide unit 36 is adjusted
The position of device 32, and then accurately detect the vibration frequency of steel band.
Specifically, shock sensor 32 can use laser sensor or tone sensor, and the present invention does not do specific limit
It is fixed.
As shown in Figures 3 to 5, Fig. 3 is the schematic view of the front view of the vibration trigger in Fig. 1, and Fig. 4 is the shake in Fig. 3
The overlooking structure diagram of flip-flop, Fig. 5 are the eccentric wheel in Fig. 3 and the structural schematic diagram under push rod mated condition.Vibration
Trigger 20a includes the first rotary drive 21, eccentric wheel 23, push rod 25, guide holder 27 and return unit 29.First rotation
The output end of actuator 21 connect with eccentric wheel 23 and eccentric wheel 23 is driven to rotate.There is eccentric wheel 23 radius to be gradually increased
Curved profile, and the cliff of displacement 232 is formed between least radius and maximum radius.25 sliding property of push rod is arranged in guide holder 27
On, and one end of push rod 25 is connected to the periphery 234 of eccentric wheel 23.Return unit 29 is set on push rod 25 and is located at eccentric wheel
Between 23 and guide holder 27, one end of return unit 29 is connected to push rod 25, and the other end is connected to guide holder 27.
The embodiment of the present invention is by being arranged the eccentric wheel 23 of curved profile that there is radius to be gradually increased, and by eccentric wheel 23
Periphery 234 abutted with push rod 25, so as to convert the rotary motion of eccentric wheel 23 to the linear motion of push rod 25, and benefit
Steel band vibration is triggered with push rod 25, thereby reduces error brought by artificial triggering steel band.And by being set on push rod 25
Return unit 29 push rod 25 is resetted, can make push rod 25 be connected to always eccentric wheel 23 periphery 234 realize it is past
Multiple movement.
Wherein, in the present embodiment, the first rotary drive 21 can be using rotational motion mechanisms such as motors, and the present invention is real
Example is applied to be not specifically limited.
As shown in figure 5, the working principle of the vibration trigger 20a in the present embodiment are as follows: when initial, push rod 25 is connected to partially
At the smallest position of the radius of heart wheel 23, as the driving rotation of eccentric wheel 23 of the first rotary drive 21 is (along shown in figure suitable
Clockwise rotation), 23 driving push rod 25 of eccentric wheel is mobile towards steel band and compresses return unit 29, to positioned at guide holder 27
The steel band on right side applies pressure.When at the position that push rod 25 moves to the cliff of displacement 232, eccentric wheel 23 makees the abutting of push rod 25
It firmly disappears, the resilient force of return unit 29 is in push rod 25, so that 25 fast retractile of push rod, is detached from steel band, disengaging adds
Speed is greater than the rebound acceleration of steel band, so that steel band can be with free oscillation.Push rod 25 is resetted by the way that return unit 29 is arranged
Acceleration is greater than the acceleration of steel band rebound, can make steel band free oscillation, and then reduces vibration trigger 20a and shake to steel band
Error caused by dynamic interference, to promote the detection accuracy of tension detecting apparatus 100.
Further, as shown in Figure 3 and Figure 4, vibration trigger 20a further includes rotating seat 22, is formed on rotating seat 22
Clamp port 221, eccentric wheel 23 are located in clamp port 221, and the rotary shaft of eccentric wheel 23 opposite end difference rotational support in
Rotating seat 22.The opposite end of the rotary shaft of eccentric wheel 23 is fixed by the way that rotating seat 22 is arranged, push rod 25 can be made
Movement it is more steady.
Further, it is provided with sensor 223 on rotating seat 22, sensing chip 236 is provided in the rotary shaft of eccentric wheel 23,
Sensor 223 and sensing chip 236 cooperate.Wherein, sensor 223 can for photoelectric sensor or proximity sensor etc.,
The present invention is not specifically limited.
Specifically, in the present embodiment, sensor 223 uses photoelectric sensor, as shown in figure 4, in the rotation of eccentric wheel 23
Turning the tip of the axis and is provided with sensing chip 236, photoelectric sensor is fixed on rotating seat 22, when rotary shaft one circle of rotation,
Sensing chip 236 passes through from photoelectric sensor, to block the optical path in photoelectric sensor between transmitting terminal and receiving end, in turn
Trigger photoelectric sensor.Photoelectric sensor is electrically connected with detection components 30, and trigger signal caused by photoelectric sensor is transferred to
Detection components 30 detect the vibration frequency of steel band to control detection components 30 after vibration trigger 20a completes triggering.
Further, as shown in Figure 3 and Figure 4, vibration trigger 20a further includes mounting plate 24, the first rotary drive 21
It is separately positioned on the opposite sides of mounting plate 24 with rotating seat 22, avoid holes 242, the first rotation driving are offered on mounting plate 24
The output end of part 21 wears the rotation axis connection for stretching out avoid holes 242 and eccentric wheel 23.Mounting plate 24 can be used for fixed rotation
Seat 22, to promote the robust motion of vibration trigger 20a.
Optionally, as shown in Figure 3 and Figure 4, it is provided on mounting plate 24 and adjusts screw base 244 and adjusting screw 246.It adjusts
The screw hole axial along push rod 25 is offered on section screw base 244, is adjusted screw 246 and is worn stretching screw hole, and is connected to rotation
Swivel base 22, for driving rotating seat 22 with movable eccentric wheel 23 to close to the movement of the direction of push rod 25.The present embodiment is adjusted by setting
It saves screw base 244 and adjusts screw 246, it can be in order to finely tune the relative position between eccentric wheel 23 and push rod 25, to be promoted
Shake the aligning accuracy of trigger 20a and steel band.
As shown in Figure 3 and Figure 4, vibration trigger 20a further includes fixing seat 26, and fixing seat 26 is connect with mounting plate 24, the
One rotary drive 21 is arranged in fixing seat 26.By the way that fixing seat 26 is arranged, vibration trigger 20a can be integrated in one
Body connect convenient for that will shake trigger 20a with link block 198.
Optionally, as shown in Figure 3 and Figure 4, vibration trigger 20a further includes guide sleeve 28, and guiding is offered on guide holder 27
Hole 272, guide sleeve 28 are placed in pilot hole 272, and push rod 25 is threaded through in guide sleeve 28.By the way that guide sleeve 28 is arranged, it can be promoted and be pushed away
The kinematic accuracy of bar 25.
Wherein, in the present embodiment, as shown in figure 5, push rod 25 includes the first push rod main body 252 and second of coaxial arrangement
Push rod main body 254, the diameter of the first push rod main body 252 are greater than the diameter of the second push rod main body 254 in the first push rod main body 252
Stage portion 256 is formed with the junction of the second push rod main body 254.Return unit 29 is set in the second push rod main body 254, and is resetted
One end of part 29 is connected to stage portion 256, and the other end is connected to guide holder 27.
In another embodiment, one end of the separate guide holder 27 of return unit 29 can also be fixed at push rod 25
On.For example, one end of return unit 29 can be fixed on push rod 25 by the modes such as welding, being bonded.
It is the schematic view of the front view of the vibration trigger in another embodiment of the present invention please continue to refer to Fig. 6, Fig. 6.Shake
Flip-flop 20b includes guide holder 51, push rod 53, return unit 55, runner block 57 and drive rod 59.Wherein, push rod 53 slides
Property run through guide holder 51；Return unit 55 is connected between guide holder 51 and push rod 53；Runner block 57 is equipped with sliding surface 572；Driving
Bar 59 is moved by thrust and along sliding surface 572, and drive rod 59 has shock portion 592, and shock portion 592 is moved synchronously with drive rod 59
Push rod 53 is abutted and then pushed with push rod 53 and compresses return unit 55, and setting is moved to along sliding surface 572 in drive rod 59
It is detached from when position with push rod 53.
By the way that mutually matched runner block 57 and drive rod 59 is arranged, and sliding surface 572 is set on runner block 57, is being driven
In lever 59 be arranged shock portion 592, when drive rod 59 is moved by thrust along sliding surface 572, shock portion 592 first with push rod
53 contact and abut the active force that push rod 53 overcomes return unit 55, press part to be measured to close to the movement of the direction of part to be measured with lasting
Deformation is brought it about, then shock portion 592 and push rod 53 are detached from, and push rod 53 resets under the action of return unit 55, and part to be measured produces
Raw vibration, and then the vibration triggering of part to be measured is completed, and reduce and artificially trigger error brought by part to be measured.
Wherein, when drive rod 59 moves to setting position, push rod 53 is larger to the withstanding effect power of part to be measured, with drive to
It surveys part and strenuous vibration occurs, and then vibration frequency is detected convenient for detection components 30.
Further, the acceleration that return unit 55 resets push rod 53 is greater than the acceleration of part to be measured rebound.Pass through setting
The acceleration that return unit 55 resets push rod 53 is greater than the acceleration of part to be measured rebound, and part vibration Shi Buyu to be measured can be made to push away
Bar 53 interferes, and then reduces error caused by the interference that shakes to part to be measured of vibration trigger 20b so that part to be measured into
Row free oscillation.
In the present embodiment, as shown in Figure 6 and Figure 7, Fig. 7 is vertical under the runner block and drive rod mated condition in Fig. 6
Body structural schematic diagram.Runner block 57 includes first sliding groove block 574 and second sliding slot block 576, and it is sliding that second sliding slot block 576 is set to first
On geosynclinal block 574 and it is located at first sliding groove block 574 close to the side of push rod 53, the side of second sliding slot block 576 constitutes sliding surface
572。
Specifically, second sliding slot block 576 is positioned close to the side of push rod 53, and second sliding slot block 576 is far from push rod 53
Side is sliding surface 572.It is sliding on first direction D1 as shown in figure on moving direction of the drive rod 59 to part to be measured
Dynamic the distance between face 572 and push rod 53 are gradually increased.When drive rod 59 is moved along first direction D1, shock portion 592 is first
It is abutted with push rod 53；Then, when being moved along sliding surface 572 to the direction far from push rod 53 with drive rod 59,592 meeting of shock portion
Opposite push rod 53 slides, and then is detached from push rod 53.
In the present embodiment, as shown in fig. 6, sliding surface 572 is set as curved surface.In another embodiment, sliding surface 572 is gone back
It can be the inclined-plane with first direction D1 with certain angle.
As shown in Figure 6 and Figure 7, drive rod 59 further includes slide bar 594, and slide bar 594 extends to the direction of runner block 57, and
It is slidably matched with sliding surface 572.By the way that the slide bar 594 cooperated with sliding surface 572 is arranged, drive rod 59 and runner block can reduce
57 contact area, and then reduce the friction between drive rod 59 and runner block 57.
Further, as shown in fig. 6, vibration trigger 20b further include actuator 52, balance staff 54 and torsional spring (in figure not
It shows).Balance staff 54 is hinged by actuator 52 and drive rod 59, and torsional spring is threaded through on balance staff 54 and turns round actuator 52 and drive rod 59
Turn connection, so that slide bar 594 has the pretightning force close to sliding surface 572.By the way that torsional spring is arranged, it can be pulled and be driven by torsional spring
Lever 59, with the pretightning force close to sliding surface 572, so that drive rod 59 is when external force disappears always along sliding surface
572 slidings.
Certainly, in another embodiment, as shown in figure 8, Fig. 8 is the master of the vibration trigger in further embodiment of this invention
Depending on structural schematic diagram.Vibration trigger 20b further includes actuator 52, mounting rack 56 and elastic component 58, actuator 52 and drive rod
59 is hinged, and elastic component 58 is arranged between drive rod 59 and mounting rack 56, so that slide bar 594 has close to the pre- of sliding surface 572
Clamp force.
Specifically, in the present embodiment, elastic component 58 can be set in drive rod 59 close to the side of push rod 53, with right
Drive rod 59 applies the pulling force towards push rod 53.In another embodiment, elastic component 58 can be set in drive rod 59 far from pushing away
The side of bar 53, to apply the thrust towards push rod 53 to drive rod 59.
Wherein, as shown in fig. 6, in the present embodiment, actuator 52 includes cylinder 521 and swing seat 523, cylinder 521
Output shaft is connect with swing seat 523, for driving swing seat 523 mobile.Swing seat 523 and drive rod 59 are hinged.In other realities
It applies in example, other linear reciprocating mechanisms can be used, the embodiment of the present invention is not specifically limited.
Further, as shown in fig. 6, shock portion 592 has first surface 596 and second surface 598, first surface 596
It is axially vertical with push rod 53.By the way that the first surface 596 vertical with push rod 53 is arranged, it can prevent shock portion 592 from abutting and push away
It during bar 53 presses part to be measured, is skidded off from push rod 53 in advance, so as to avoid vibration trigger 20b to part to be measured
Withstanding effect power is smaller and makes the vibration frequency of part to be measured weaker.
Further, second surface 598 is arcwall face or inclined-plane.Drive rod 59 is dragged to far to be measured in actuator 52
When the direction of part is mobile, slide bar 594 is moved along sliding surface 572.Since the distance between slide bar 594 and push rod 53 are gradually reduced,
During backhaul, the second surface 598 in shock portion 592 can be contacted with push rod 53.Since guide holder 51 is to the limit of push rod 53
Position effect, push rod 53 can abut shock portion 592, so that shock portion 592, drive rod 59 and slide bar 594 are to far from push rod 53
Direction is mobile, and then slide bar 594 and sliding surface 572 are detached from, and under the action of torsional spring or elastic component 58, has towards sliding surface
572 pretightning force.When shock portion 592 and push rod 53 are detached from, effect of the slide bar 594 in the pretightning force of torsional spring or elastic component 58
Lower continuation is moved along sliding surface 572.
The present embodiment by setting shock portion 592 second surface 598 be arcwall face or inclined-plane, can be in order to push rod 53
Opposite sliding between shock portion 592, avoids push rod 53 from hindering the reciprocating motion in shock portion 592.
Further, as shown in fig. 6, vibration trigger 20b further includes guide sleeve 512, pilot hole is offered on guide holder 51
514, guide sleeve 512 is placed in pilot hole 514, and push rod 53 is threaded through in guide sleeve 512.By the way that guide sleeve 512 is arranged, it can be promoted and be pushed away
The kinematic accuracy of bar 53.
Wherein, in the present embodiment, as shown in fig. 6, push rod 53 includes pushing part 532 and rod body part 534.Pushing part 532
Size be greater than the size of rod body part 534, rod body part 534 is threaded through in guide holder 51, and return unit 55 is set in rod body part 534
On, and one end of return unit 55 is connected to pushing part 532, the other end is connected to guide holder 51.By be arranged pushing part 532, one
Aspect can increase the contact area of push rod 53 Yu shock portion 592, so that the movement of push rod 53 is more steady；On the other hand,
Return unit 55 can be clamped between pushing part 532 and guide holder 51, and not have to the fixed knot of in addition setting return unit 55
Structure.
Optionally, locating part (not shown) can also be set far from the side of guide holder 51 in pushing part 532, when multiple
When the 55 elastic reset push rod 53 of part of position, push rod 53 can be connected to locating part, to prevent from taking off in 534 self- steering seat 51 of rod body part
Out.
Below with reference to Fig. 6, Fig. 9 to Figure 11, the working principle of the vibration trigger 20b in the present invention is illustrated:
In triggering stroke: actuator 52 drives drive rod 59 mobile from initial position to the direction of close part to be measured, i.e.,
When moving to the left, before shock portion 592 is contacted with push rod 53, slide bar 594 is moved along sliding surface 572.It is moved to shown in Fig. 9
State when, shock portion 592 first surface 596 beginning contacted with pushing part 532, and under the action of drive rod 59 along slide
Face 572 is persistently moved to the left, and to push push rod 53, persistently pressure holding is located at the part to be measured on the left of guide holder 51.When moving to Figure 10
Shown in state when, shock portion 592 and pushing part 532 are detached from, at this point, return unit 55 resets push rod 53, so that push rod
53 acceleration moved to the right be greater than part to be measured rebound acceleration, to avoid to part to be measured generate interference, and then complete to
Survey the triggering of part, stop motion under the action of locating part of pushing part 532.
In recovery stroke: actuator 52 drives drive rod 59 mobile to the direction far from part to be measured, i.e., moves to the right
When, before shock portion 592 is contacted with push rod 53, slide bar 594 is moved along sliding surface 572.When being moved to state shown in Figure 11,
When the second surface 598 in shock portion 592 and pushing part 532 contact, since guide holder 51 acts on the holding of push rod 53, so that
Shock portion 592 and slide bar 594 are detached under the action of push rod 53 with sliding surface 572, and on the other hand, drive rod 59 in torsional spring or
Under the action of person's elastic component 58, there is the pretightning force towards sliding surface 572, to keep balancing.The second table in shock portion 592
After face 598 and push rod 53 are detached from, slide bar 594 continues to be moved to initial position along sliding surface 572 under the action of pretightning force.
Wherein, in the embodiment above, return unit and elastic component can use spring.Certainly, in other embodiments,
Also it can according to need the other types of elastic element of setting, the present invention is not specifically limited.
Another aspect of the present invention also provides a kind of pile bailing band tension detection device 300, such as Figure 12 and Figure 13 institute
Show, Figure 12 is the schematic view of the front view of the pile bailing band tension detection device in another embodiment of the present invention, Tu13Shi
The side structure schematic view of pile bailing band tension detection device in Figure 12.Pile bailing band tension detection device 300
Including the second rotary drive 310, turntable 320, support plate 330 and tension detecting apparatus 100, the second rotary drive 310
Output end connect with turntable 320 and turntable 320 driven to rotate, support plate 330 is set on turntable 320, and pile 200 is placed in
In support plate 330, tension detecting apparatus 100 is used to detect the tension of steel band 210.
Wherein, in the present embodiment, the tension detecting apparatus in the structure and above-described embodiment of tension detecting apparatus 100
100 structure is identical, please refers to the description in above-described embodiment, details are not described herein again.
Specifically, in the present embodiment, the second rotary drive 310 is using rotary cylinder.Certainly, in other implementations
In example, motor can also be used, the present invention is not specifically limited.Pile 200 is by 330 positioning support of support plate in turntable 320
On, stablized with holding position.Rotary cylinder is connect by rotary cylinder fixing seat 340 with bottom plate 40, and the rotation of rotary cylinder
Axis wears stretching bottom plate 40 and connect with the turntable 320 for being located at 40 other side of bottom plate.The present embodiment is being opened by setting rotary cylinder
After force checking device 100 completes the tension detection of all steel bands 210 of 200 side of pile, driving turntable 320 rotates 180 degree, with
So that the rotation of other side steel band 210 for being located at pile 200 is extremely opposite with vibration trigger 20 and shock sensor 32, in order to right
The steel band 210 of 200 opposite sides of pile is detected, and then promotes the detection efficiency of steel band 210.
As shown in figure 13, in the present embodiment, pile 200 is tied up by four steel bands 210.Below in conjunction with attached drawing 1
It is illustrated to working principle of the Figure 13 to the pile bailing band tension detection device 300 in the present invention:
Firstly, the pile 200 for tying up completion is placed in the support plate 330 of turntable 320, make the wherein side of pile 200
Steel band 210 is towards the detection components 30 and vibration trigger 20 on tension detecting apparatus 100.
Then, the driving of driving mechanism 10 shakes trigger 20 and detection components 30 to the side close to one of steel band 210
To movement, and rest at preset position.The preset position for example can be the midline of steel band 210.At this point, vibration touching
It sends out the first rotary drive 21 rotation in device 20 and then abuts push rod 25 with movable eccentric wheel 23, so that push rod 25 is mobile with right
Steel band 210 gradually applies pressure, when at the position that push rod 25 moves to the cliff of displacement 232, the 29 quickly contracting of driving push rod 25 of return unit
It returns, at the same time, sensor 223 detects that push rod 25 completes triggering, and control shock sensor 32 detects the vibration frequency of steel band 210
Rate, and according to formula T=4ml2f2The tension on the steel band 210 can be calculated.Then, driving mechanism 10 continues driving vibration
Trigger and detection components 30 are mobile to the direction of next steel band 210, and are completed on next steel band 210 according to the method described above
Tension detection.And so on, the tension detection on pile 200 wherein all steel bands 210 of side is completed one by one.
Finally, the second rotary drive 310 driving turntable 320 rotates 180 degree, so that the steel band of 200 other side of pile
210 direction vibration triggers 20 and detection components 30.According to the detection method of the steel band 210 of wherein side, trigger 20 is shaken
Cooperate again with detection components 30 to detect the tension on all steel bands 210 of 200 other side of pile one by one.
In conclusion it should be readily apparent to one skilled in the art that the embodiment of the present invention passes through the driving vibration touching of driving mechanism 10
Device 20 and detection components 30 are sent out close to part to be measured, and triggers part free oscillation to be measured using vibration trigger 20, utilizes detection group
Part 30 detects the vibration frequency of part to be measured, and then according to the relationship of vibration frequency and tension, the tension on part to be measured is calculated,
So that the tension value digitization of part to be measured, promotes detection accuracy；And driving mechanism 10 is in the inspection for completing a part to be measured
The tension detection of next part to be measured can be carried out after survey automatically, and then detection efficiency can be promoted.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of vibration trigger, which is characterized in that the vibration trigger include the first rotary drive, eccentric wheel, push rod,
The output end of guide holder and return unit, first rotary drive connect with the eccentric wheel and the eccentric wheel is driven to revolve
Turn；The curved profile that there is the eccentric wheel radius to be gradually increased, and the cliff of displacement is formed between least radius and maximum radius；
The push rod sliding property is arranged on the guide holder, and one end of the push rod is connected to the periphery of the eccentric wheel；It is described
Return unit is set on the push rod and between the eccentric wheel and the guide holder, and one end of the return unit is connected to
The push rod, the other end are connected to the guide holder.
2. vibration trigger according to claim 1, which is characterized in that the acceleration that the return unit resets the push rod
Degree is greater than the acceleration of the part rebound to be measured.
3. vibration trigger according to claim 1, which is characterized in that the vibration trigger further includes rotating seat, institute
It states and is formed with clamp port on rotating seat, the eccentric wheel is located in the clamp port, and the rotary shaft of the eccentric wheel is opposite
Rotational support is distinguished in the rotating seat in both ends.
4. vibration trigger according to claim 3, which is characterized in that sensor is provided on the rotating seat, it is described
Sensing chip is provided in the rotary shaft of eccentric wheel, the sensor and the sensing chip cooperate.
5. vibration trigger according to claim 3, which is characterized in that the vibration trigger further includes mounting plate, institute
It states the first rotary drive and the rotating seat is separately positioned on the opposite sides of the mounting plate, offered on the mounting plate
Avoid holes, the output end of first rotary drive wear the rotation axis connection for stretching out the avoid holes and the eccentric wheel.
6. vibration trigger according to claim 5, which is characterized in that be provided on the mounting plate adjust screw base and
Screw is adjusted, the screw hole along the push rod axial direction is offered on the adjusting screw base, the adjusting screw, which is worn, stretches out institute
Screw hole is stated, and is connected to the rotating seat, for driving the rotating seat to drive the eccentric wheel to close to the push rod
Direction is mobile.
7. vibration trigger according to claim 5, which is characterized in that the vibration trigger further includes fixing seat, institute
It states fixing seat to connect with the mounting plate, the first rotary drive setting is on the fixing seat.
8. vibration trigger according to claim 1, which is characterized in that the vibration trigger further includes guide sleeve, described
Pilot hole is offered on guide holder, the guide sleeve is placed in the pilot hole, and the push rod is threaded through in the guide sleeve.
9. vibration trigger according to claim 1, which is characterized in that the push rod includes the first push rod of coaxial arrangement
Main body and the second push rod main body, the diameter of the first push rod main body are greater than the diameter of the second push rod main body described the
The junction of one push rod main body and the second push rod main body forms stage portion, and the return unit is set in the second push rod master
On body, and one end of the return unit is connected to the stage portion, and the other end is connected to the guide holder.
10. a kind of tension detecting apparatus, which is characterized in that the tension detecting apparatus include: driving mechanism, detection components and
Such as the described in any item vibration triggers of claim 1-9, the driving mechanism and the vibration trigger and the detection group
Part connection, and drive the vibration trigger and the detection components close to part to be measured, the vibration trigger is for triggering institute
Part to be measured is stated, so that the part vibration to be measured, the detection components are used to detect the vibration frequency of the part to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910517577.2A CN110186607B (en) | 2019-06-14 | Tension detection device and vibration trigger thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910517577.2A CN110186607B (en) | 2019-06-14 | Tension detection device and vibration trigger thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110186607A true CN110186607A (en) | 2019-08-30 |
| CN110186607B CN110186607B (en) | 2024-07-05 |
Family
ID=
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186608A (en) * | 2019-06-14 | 2019-08-30 | 无锡先导智能装备股份有限公司 | Pile bailing band tension detection device and its tension detecting apparatus |
| CN110667528A (en) * | 2019-10-10 | 2020-01-10 | 无锡先导智能装备股份有限公司 | Support device and autonomous guided vehicle |
| CN110186608B (en) * | 2019-06-14 | 2024-07-05 | 江苏氢导智能装备有限公司 | Pile packing steel band tension detection equipment and tension detection device thereof |
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