CN107063682A - A kind of guide plate sprocket wheel detection means - Google Patents
A kind of guide plate sprocket wheel detection means Download PDFInfo
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- CN107063682A CN107063682A CN201710280260.2A CN201710280260A CN107063682A CN 107063682 A CN107063682 A CN 107063682A CN 201710280260 A CN201710280260 A CN 201710280260A CN 107063682 A CN107063682 A CN 107063682A
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- sprocket wheel
- guide plate
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- motor
- detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
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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
- G01L5/24—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
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- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a kind of guide plate sprocket wheel detection means, including passage cylinder, motor, fixed block and sprocket wheel, the sprocket wheel is meshed with the chain on guide plate, the fixed block is made up of two pieces of metal plates combine l-shaped, the rotating shaft of the motor is connected with reductor, the output shaft of the reductor passes through one piece of metallic plate of fixed block, main shaft is socketed with thereon, the pedestal is provided with moment of torsion detection components, the moment of torsion detection components mutually link with connecting shaft, during detection, passage cylinder pushes fixed block to guide plate, sprocket wheel is meshed with the chain on guide plate.The guide plate sprocket wheel detection means of the present invention, pass through the setting of motor and sprocket wheel, just can by effectively using sprocket engagement in the way of drive guide plate chain have rotated, the output torque of motor just can effectively be detected by settings of moment of torsion detection components simultaneously, so come realize that the guide plate sprocket wheel of detection now whether tension or pine excessively.
Description
Technical field
The present invention relates to a kind of detection means, more particularly to a kind of guide plate sprocket wheel detection means.
Background technology
Guide plate is during production, it is necessary to by a sprocket wheel sandwiched between the two guide plates, riveted in two guide plates
Installation chain just can tentatively complete the production to guide plate after, then on guide plate.
But the elastic situation of riveting to guide plate is indefinite in the prior art, it is more likely that occur what guide plate pressed from both sides sprocket wheel
Tension or it is excessively loose the problem of, can thus influence the influence rotated during chain saw use to sprocket wheel, i.e., when guide plate it
Between press from both sides tension when, frictional force becomes big between sprocket wheel and guide plate so that the problem of sprocket wheel is difficult to rotate, and when being pressed from both sides between guide plate
It is excessively loose when, frictional force is too small between sprocket wheel and guide plate, so just occurs that sprocket wheel revolves during the use of chain saw
The speed turned is faster than the rotation of the gear in chain saw body, then the problem of chain-loose just would tend to occur, so just needing
The installation situation of guide plate is detected, and be to use human hand when detection to the installation situation of existing guide plate
The going of work pulls the chain on guide plate to realize detection, by people feel judge whether excessively pine or mistake that guide plate is installed
Tightly, and by the way of people is manual, the feel that testing staff is accomplished by first is very accurate, while by the way of feel,
Have no idea to quantize, the precision so detected is not high enough, it is easy to detection mistake occur, cause follow-up guide plate quality occur
Problem.
The content of the invention
In view of the deficienciess of the prior art, can accurately and effectively detect to lead it is an object of the invention to provide one kind
The guide plate sprocket wheel detection means of the elastic state of installation between plate.
To achieve the above object, the invention provides following technical scheme：A kind of guide plate sprocket wheel detection means, including passage
Cylinder, motor, fixed block and sprocket wheel, the sprocket wheel are meshed with the chain on guide plate, and the fixed block is by two blocks of metals
Plate combination l-shaped is constituted, and the rotating shaft of the motor is connected with reductor, and the output shaft of the reductor passes through fixed block
One piece of metallic plate, is socketed with main shaft thereon, another piece metallic plate and passage gas of the fixed block relative to the output shaft of reductor
The catch bar of cylinder is fixedly connected, and the sprocket wheel is enclosed on the output shaft of reductor, and the main shaft includes cylindrical pedestal, institute
State and perforation is coaxially offered on pedestal, the output shaft of the reductor is rotatable to be located in perforation, one end of the pedestal
Provided with fixed plate, the fixed plate is fixedly connected with the metallic plate of fixed block, and the upper end of the output shaft of the reductor is provided with
Sprocket wheel fixation kit, the sprocket wheel fixation kit includes connecting shaft, cochain grinding wheel press cap and lower sprocket gland, the cochain grinding wheel press cap
Include twisting block and pressing plate in the form of annular discs with lower sprocket gland, the connecting shaft is coaxially fixed on the upper of the output shaft of reductor
On end face, two pressing plates are socketed in connecting shaft, and one end of two pressing plates is oppositely arranged, and sprocket wheel is clipped in into two pieces
Between pressing plate, two stubborn blocks are separately fixed at the opposite one end of pressing plate, and the stubborn block is in strip structure, when two pressing plates
The stubborn block and the upper surface of the output shaft of reductor being below when being socketed in connecting shaft are mutually contradicted, the reductor
Several screwed holes are offered on the upper surface of output shaft, the upper surface that the screwed hole is arranged on the output shaft of reductor is close
On the position for twisting block side, the screwed hole internal thread is connected with screw, and the screw is mutually contradicted with stubborn block, on the pedestal
Provided with moment of torsion detection components, the moment of torsion detection components mutually link with connecting shaft, during detection, and passage cylinder pushes fixed block to
Guide plate, sprocket wheel is meshed with the chain on guide plate.
As a further improvement on the present invention, the moment of torsion detection components include torque output calculator, power detector
And speed detector, the fuselage of the power detector and motor is coupled also to be coupled with torque output calculator, is used for
The power output of detection motor is input in torque output calculator, and the speed detector includes the collar and fixation
Ring, the collar is socketed in connecting shaft, the rotatable outside for being set in the collar of the retainer ring, and the retainer ring is coaxially solid
It is scheduled on the upper surface of pedestal, and is coupled with motor, is offered on the internal ring wall of the retainer ring in chute, the chute
Slip is connected with sliding block, and the cell wall of described chute one end is provided with variable resistance shell, the variable resistance shell is in hollow structure, its
The coil extended along its length is laid with inwall, one end of the sliding block, which is fixedly connected with connecting rod, the connecting rod, to be covered
Provided with spring, the two ends of the spring are inconsistent with sliding block and variable resistance shell respectively, and one end of the connecting rod is fixed with sliding block to be connected
Connect, the other end is extend into variable resistance shell, and be fixedly connected with conducting strip, the conducting strip is mutually contradicted and conductive with coil,
The external annulus of the retainer ring are electrically connected with conducting strip and coil respectively provided with two binding posts, two binding posts, institute
State two binding posts one to be connected with external power source, another is coupled with torque output calculator.
As a further improvement on the present invention, the power detector includes：
Current detection circuit, is coupled to the fuselage of motor, is further coupled to torque output calculator, for detecting driving
Electric current in motor, and transmit to torque output calculator；
Voltage detecting circuit, is coupled to the fuselage of motor, is further coupled to torque output calculator, for detecting driving
Voltage in motor, and transmit to torque output calculator.
As a further improvement on the present invention, the current detection circuit includes：
Triode Q, the triode Q colelctor electrode are coupled with resistance R1 and are followed by power supply, and grounded emitter, base stage is coupled with electricity
Resistance R2 is followed by power supply, and the base stage, which is coupled with after resistance R3, is coupled to torque output calculator, and wherein emitter stage has been also coupled to resistance
Torque output calculator is coupled to after R4；
The voltage detecting circuit includes detection resistance R5 and detection resistance R6, and one end of the detection resistance R5 is coupled to
The fuselage of motor, is further coupled to triode Q colelctor electrode, and the end is also coupled with torque output calculator, the inspection
Measuring resistance R5 other end ground connection, one end and the detection resistance R5 of the detection resistance R6 are coupled, and the other end is coupled to power supply.
As a further improvement on the present invention, the torque output calculator includes：
CPU is controlled, thereon with multiple I/O interfaces, the control CPU passes through I/O interfaces and current detection circuit and electricity
Pressure detection circuit coupling, motor current values and receiving voltage for receiving current detection circuit output detect circuit output
Electric moter voltage numerical value, control CPU is also coupled by the binding post of I/O interfaces and the collar, for receiving binding post output
Speed values, and calculate torque value according to current values, voltage value and speed values and export；
Display module, is coupled to control CPU I/O interfaces, for receiving the torque value of control CPU outputs and showing
Come.
As a further improvement on the present invention, by calculation formula calculated torque numerical value inside the control CPU, calculate public
Formula is as follows：
Wherein, N is moment of torsion, and U is that voltage detecting circuit detection obtains magnitude of voltage, and I is that current detection circuit detects what is obtained
Current value, ρ is conversion coefficient, and R is the output resistance of binding post.
Beneficial effects of the present invention, by elapsing cylinder, motor, fixed block and the setting of sprocket wheel, it is possible to realize
During detection, guide plate is first arranged on to the side of sprocket wheel, then its catch bar is promoted by elapsing cylinder, just can be had
What is imitated pushes sprocket wheel to guide plate so that sprocket wheel is meshed with the chain on guide plate, just can so realize that motor drives chain
Wheel is rotated, and then the effect for driving the chain on guide plate to rotate, and by the setting of moment of torsion detection components, just can effectively be existed
During sprocket wheel is rotated, the output torque of detection passage cylinder just can be so judged according to moment of torsion on guide plate now
Whether sprocket wheel was in the state of pine or tension, compared in the prior art by the way of the feel of people, can be effective
Elastic numerical value now is drawn, realize an effect accurately detected, it is to avoid occur the precision detected in the prior art not
Enough height, it is easy to detection mistake occur, cause follow-up guide plate quality problems occur.
Brief description of the drawings
Fig. 1 is the overall structure figure of the guide plate sprocket wheel detection means of the present invention；
Fig. 2 is the overall structure figure of retainer ring in Fig. 1；
Fig. 3 is the module frame chart of moment of torsion detection components；
Fig. 4 is the circuit diagram of power detector.
Embodiment
The present invention is described in further detail below in conjunction with the embodiment given by accompanying drawing.
Referring to figs. 1 to shown in 4, a kind of guide plate sprocket wheel detection means of the present embodiment, including passage cylinder 1, motor
2nd, fixed block 3 and sprocket wheel 31, the sprocket wheel 31 are meshed with the chain on guide plate, and the fixed block 3 is by two pieces of metal plates combines
L-shaped is constituted, and the rotating shaft of the motor 2 is connected with reductor 21, and the output shaft of the reductor 21 passes through fixed block 3
One piece of metallic plate, is socketed with main shaft 22 thereon, the fixed block 3 relative to the output shaft of reductor 21 another piece of metallic plate with pushing away
The catch bar for moving cylinder 1 is fixedly connected, and the sprocket wheel 31 is enclosed on the output shaft of reductor 21, and the main shaft 22 includes being in cylinder
Perforation 6 coaxially is offered on the pedestal 4 of shape, the pedestal 4, the output shaft of the reductor 21 is rotatable to be located in perforation 6
Interior, one end of the pedestal 4 is provided with fixed plate, and the fixed plate is fixedly connected with the metallic plate of fixed block 3, the reductor 21
Output shaft upper end be provided with sprocket wheel fixation kit 5, the sprocket wheel fixation kit 5 include connecting shaft 53, cochain grinding wheel press cap 51
With lower sprocket gland 52, the cochain grinding wheel press cap 51 and lower sprocket gland 52 include twisting block 512 and pressing plate in the form of annular discs
511, the connecting shaft 53 is coaxially fixed on the upper surface of the output shaft of reductor 21, and two pressing plates 511 are socketed in
In connecting shaft 53, one end of two pressing plates 511 is oppositely arranged, and sprocket wheel 31 is clipped between two block pressur plates 511, described in two
Twist block 512 and be separately fixed at the opposite one end of pressing plate 511, the stubborn block 512 is in strip structure, when two pressing plates 511 are socketed
When in connecting shaft 53, the upper surface of the stubborn block 512 being below and the output shaft of reductor 21 is mutually contradicted, the reductor
Several screwed holes are offered on the upper surface of 21 output shaft, the screwed hole is arranged on the upper end of the output shaft of reductor 21
Face is on the position of the stubborn side of block 512, and the screwed hole internal thread is connected with screw, and the screw is mutually supported with stubborn block 512
Touch, the pedestal 4 is provided with moment of torsion detection components 7, the moment of torsion detection components 7 mutually link with connecting shaft 53, during detection, pushed away
Move cylinder 1 and push fixed block 3 to guide plate, sprocket wheel 31 is meshed with the chain on guide plate, when being detected, pushed away first
Moving cylinder 1 will act, and push it bar and extend towards guide plate, during its extension, will be with fixed block 3 towards leading
Plate is moved, during fixed block 3 is moved, main shaft 22 will with moving together, so as to realize the band of sprocket wheel 31 to guide plate,
Realize that sprocket wheel 31 is engaged with chain on guide plate, afterwards by the rotation of motor 2, will with reductor 21 output shaft
Rotation, and then rotated with connecting shaft 53, cochain grinding wheel press cap 51 and lower sprocket gland 52, so band movable sprocket 31 rotates, so
The effect that a drive sprocket 31 at the uniform velocity rotates effectively is realized, the wherein motor 2 in the present embodiment uses direct current
Machine, cost is lower, and the mode of driving is more simple, and when fixed chain wheels 31, first by a block pressur plate 511 with one
Individual 512 sets of stubborn block is connected in connecting shaft 53, wherein twisting block 512 downwards, is mutually contradicted, is then put again with the output shaft of reductor 21
Upper sprocket wheel 31, covers another block pressur plate 511 again afterwards, another stubborn block 512 dorsad sprocket wheel 31, afterwards by external key by stubborn block
512 tighten, and so just can effectively complete the fixation of sprocket wheel 31, because above-mentioned connection is by the way of screw thread, thus in chain
During wheel 31 stops after having rotated, what the effect continuation rotation or sprocket wheel card 31 that sprocket wheel 31 will be because of inertia were blocked
When, sprocket wheel 31 will so occur and be rotated with pressing plate 511 or the individually rotation of connecting shaft 53, and whole connection is fluffed
The problem of, thus the setting in the present embodiment by screwed hole and screw, during stopping the rotation just having screw withstands
Twist block 512, it is to avoid twist block 512 and rotate, so realize the effect for keeping connection fastening.
As a kind of improved embodiment, the moment of torsion detection components 7 include torque output calculator 73, power
Detector 71 and speed detector 72, the fuselage coupling of the power detector 71 and motor 2 also with torque output meter
Device 73 is calculated to couple, for detecting that the power output of motor 2 is input in torque output calculator 73, the velocity measuring dress
Putting 72 includes the collar 721 and retainer ring 722, and the collar 721 is socketed in connecting shaft 53, and the retainer ring 722 is rotatable
The outside of the collar 721 is set in, the retainer ring 722 is coaxially fixed on the upper surface of pedestal 4, and is coupled with motor 2,
Slip in chute 7221, the chute 7221 is offered on the internal ring wall of the retainer ring 722 is connected with sliding block 7222, institute
The cell wall for stating the one end of chute 7221 is provided with variable resistance shell 7223, and the variable resistance shell 7223 is in be applied on hollow structure, its inwall
Provided with the coil extended along its length, one end of the sliding block 7222 is fixedly connected with connecting rod 7225, the connecting rod 7225
On be arranged with spring 7226, the two ends of the spring 7226 are inconsistent with sliding block 7222 and variable resistance shell 7223 respectively, the company
One end of bar 7225 is fixedly connected with sliding block 7222, and the other end is extend into variable resistance shell 7223, and is fixedly connected with conducting strip,
The conducting strip is mutually contradicted and conductive with coil, and the external annulus of the retainer ring 722 are provided with two binding posts, and two connect
Line terminals are electrically connected with conducting strip and coil respectively, and described two binding posts one are connected with external power source, another and torsion
Square output calculator 73 is coupled, during detection, and power detector 71 and speed detector 72 will can drive simultaneously first
The power output of dynamic motor 2 and the speed of sprocket wheel now are input in torque output calculator 73, then torque output calculating
Device 73 just can effectively obtain the produced moment of torsion of now sprocket wheel, in speed by calculating power output and speed
In the case that degree is certain, the value of moment of torsion being judged, seeing whether be larger or smaller than a threshold range, moment of torsion is more than this scope then
Represent that the power that now sprocket wheel is loaded is bigger, then mean that the sprocket wheel on guide plate now is in the state of a tension,
Judge whether moment of torsion is less than this threshold range again, mean that the power that now sprocket wheel is loaded is just smaller less than this scope, that
Mean that sprocket wheel on guide plate now is in a loose state excessively, realized this makes it possible to good to the chain on guide plate
Wheel is elastic to be have detected, and so just can effectively avoid using accuracy of detection caused by manual detection mode in the prior art
Not high the problem of, while during connecting shaft 53 rotates, the collar 721 being socketed therewith will be with rotating together, sliding block
7222 will together rotate with the collar 721 because of the effect of frictional force, and have the work of spring 7226 and variable resistance housing 7224
With contact block 7222 just can not be with rotating, thus by conducting strip and variable resistance shell after a part of elastic force is overcome together
The cooperation of coil in body 7224, just can outwards export the resistance of a resistance, when the rotating speed of connecting shaft 53 is uprised, bullet
It is more that spring 7226 will be compressed, then the resistance value of speed detector 72 will diminish, and is primarily due to access electricity
The wire circle on road tails off, then be exactly that conductor length shortens, and just can clearly be known according to the resistance principle of wire
Resistance diminishes, and the resistance so exported compared to the rotating speed of original connecting shaft 53 just has difference, then is with a conversion
Number is multiplied, and just can effectively realize the effect for detecting the now rotating speed of connecting shaft 53, and can also be in real time by this turn
Speed feeds back to motor 2 and torque output calculator 73, just can so realize the rotating speed of one side stabilized driving motor 2,
On the other hand the value of 73 1 speed of torque output calculator is supplied to, torque output calculator so just can be effectively provided
73 for connecting shaft 53 output torque calculate basis.
As a kind of improved embodiment, the power detector 71 includes：
Current detection circuit 711, is coupled to the fuselage of motor 2, torque output calculator 73 is further coupled to, for examining
The electric current surveyed in motor 2, and transmit to torque output calculator 73；
Voltage detecting circuit 712, is coupled to the fuselage of motor 2, torque output calculator 73 is further coupled to, for examining
The voltage surveyed in motor 2, and transmit to torque output calculator 73, according to the calculation formula P=UI of power, thus it is logical
The setting of overcurrent sensing circuit 711 and voltage detecting circuit 712, just can effectively realize a detection motor in real time
2 real-time output current and output voltage, so just can effectively realize the detection now realtime power of motor 2
Effect.
As a kind of improved embodiment, the current detection circuit 711 includes：
Triode Q, the triode Q colelctor electrode are coupled with resistance R1 and are followed by power supply, and grounded emitter, base stage is coupled with electricity
Resistance R2 is followed by power supply, and the base stage, which is coupled with after resistance R3, is coupled to torque output calculator 73, and wherein emitter stage has been also coupled to electricity
Torque output calculator 73 is coupled to after resistance R4；
The voltage detecting circuit 712 includes detection resistance R5 and detection resistance R6, one end coupling of the detection resistance R5
The fuselage of motor 2 is connected to, triode Q colelctor electrode is further coupled to, and the end is also coupled with torque output calculator 73,
The other end ground connection of the detection resistance R5, one end and the detection resistance R5 of the detection resistance R6 are coupled, and the other end is coupled to
Power supply, during motor 2 works, the electric current flowed through in motor 2 will flow into triode Q colelctor electrode
It is interior, while the electric current of external power source will be input in triode Q base stage, according to triode Q base stage, colelctor electrode and hair
Current relationship between emitter-base bandgap grading, when base current is constant, when collector current becomes, the electric current of emitter stage will be with
One to change, and be in certain proportion with the curent change of colelctor electrode, just can so realize the setting by triode Q,
Effectively detect the real-time current of motor 2, and be input in torque output calculator 73, and by resistance R5 and
Resistance R6 setting, just can carry out the effect of a partial pressure to the voltage of motor 2, then that its proportional diminution is defeated
Enter into torque output calculator 73, so just can effectively complete the detection to voltage, and easy realization simple in construction.
As a kind of improved embodiment, the torque output calculator 73 includes：
CPU731 is controlled, thereon with multiple I/O interfaces, the control CPU731 passes through I/O interfaces and current detecting electricity
Road 711 and voltage detecting circuit 712 are coupled, for receiving the motor current values of the output of current detection circuit 711 and receiving electricity
The electric moter voltage numerical value that pressure detection circuit 712 is exported, control CPU731 also passes through I/O interfaces and the binding post of the collar 721
Coupling, for receiving the speed values of binding post output, and calculates torsion according to current values, voltage value and speed values
Square numerical value is simultaneously exported；
Display module 732, is coupled to control CPU731 I/O interfaces, the moment of torsion number for receiving control CPU731 outputs
Be worth and show, using control CPU731 setting, just can effectively receiving voltage detection circuit 712 output voltage with
The speed of output current and speed detector 72 output of current detection circuit 711, then just can be with further according to above-mentioned value
The effective output torque for calculating sprocket wheel now, and the guide plate that sprocket wheel now is driven may determine that according to moment of torsion
Whether in tension or excessively loose state, and the moment of torsion calculated and internal torque threshold scope are carried out pair
Than then comparing result being shown using display module 732, the control CPU731 of wherein the present embodiment uses model
STC89C52 single-chip microcomputer, it uses simple and convenient, and price is cheap, and display module 732 uses LCD1602 liquid crystals
Show device, Chinese can be shown, show " tension " or " excessively loose " printed words so that whole detection components 7 are more simple and clear.
As a kind of improved embodiment, calculation formula calculated torque number is passed through inside the control CPU731
Value, calculation formula is as follows：
Wherein, N is moment of torsion, and U is that voltage detecting circuit detection obtains magnitude of voltage, and I is that current detection circuit detects what is obtained
Current value, ρ is resistance and rotating speed conversion coefficient, and R is the output resistance of binding post, according to the calculation formula N=of moment of torsion
9550*P/V, wherein P are the power output of motor, and V is the rotating speed of motor now, therefore the power of motor can use electric current
Detect that the voltage that the electric current and voltage detecting circuit 712 of circuit 711 are detected is calculated according to power company, rotating speed then may be used
To be embodied by the resistance of binding post, wherein conversion coefficient here can be pre-entered voluntarily, as threshold range
Then using sprocket wheel 31 with being defined as when suitable guide plate is engaged and then according to the output torque model of torque output calculator 73
Enclose as a torque threshold scope, just can so realize determining for torque threshold scope, while this formula is using straight
The mode using voltage, resistance and Current calculation is connect, is the mode directly calculated, avoids the need in the He of current detection circuit 711
Voltage detecting circuit 712 detects to be calculated in advance after voltage and current, just can so reduce torque output calculator
73 amount of calculation, the effective computation burden for mitigating torque output calculator 73, realizes that torque output calculator 73 can be used
More cheap and smaller power control CPU.
In summary, guide plate sprocket wheel detection means of the invention, by elapsing cylinder 1, motor 2, fixed block 3 and chain
The setting of wheel 31, just can effectively be realized during detection, using the traction for elapsing cylinder 1, by sprocket wheel 31 with
Chain on guide plate is meshed, and the effect then rotated using the drive of motor 2 just can be effectively with 31 turns of sprocket wheel
It is dynamic, the output torque of sprocket wheel is then detected by moment of torsion detection components 7 again, just can effectively realize detection now with sprocket wheel 31
Whether the sprocket wheel in guide plate being meshed is in tension or excessively loose state.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of guide plate sprocket wheel detection means, it is characterised in that：Including passage cylinder (1), motor (2), fixed block (3) and
Sprocket wheel (31), the sprocket wheel (31) is meshed with the chain on guide plate, and the fixed block (3) is by two pieces of metal plates combine l-shaped
Constitute, the rotating shaft of the motor (2) is connected with reductor (21), and the output shaft of the reductor (21) passes through fixed block
(3) one piece of metallic plate, is socketed with main shaft (22) thereon, and the fixed block (3) is another relative to the output shaft of reductor (21)
Block metallic plate is fixedly connected with the catch bar of passage cylinder (1), and the sprocket wheel (31) is enclosed on the output shaft of reductor (21), institute
Stating main shaft (22) includes coaxially offering perforation (6), the reductor (21) on cylindrical pedestal (4), the pedestal (4)
Output shaft it is rotatable be located in perforation (6), one end of the pedestal (4) is provided with fixed plate, the fixed plate and fixation
The metallic plate of block (3) is fixedly connected, and the upper end of the output shaft of the reductor (21) is provided with sprocket wheel fixation kit (5), described
Sprocket wheel fixation kit (5) includes connecting shaft (53), cochain grinding wheel press cap (51) and lower sprocket gland (52), the cochain grinding wheel press cap
(51) and lower sprocket gland (52) includes twisting block (512) and pressing plate (511) in the form of annular discs, the connecting shaft (53) is coaxially consolidated
On the upper surface for being scheduled on the output shaft of reductor (21), two pressing plates (511) are socketed in connecting shaft (53), two institutes
The one end for stating pressing plate (511) is oppositely arranged, and sprocket wheel (31) is clipped between two block pressur plates (511), two stubborn blocks (512) point
The opposite one end of pressing plate (511) is not fixed on, and the stubborn block (512) is in strip structure, when two pressing plate (511) companies of being socketed in
When in spindle (53), the upper surface of the stubborn block (512) and the output shaft of reductor (21) that are below mutually is contradicted, described to slow down
Several screwed holes are offered on the upper surface of the output shaft of machine (21), the screwed hole is arranged on the output shaft of reductor (21)
Upper surface on the position of stubborn block (512) side, the screwed hole internal thread is connected with screw, the screw and stubborn block
(512) mutually contradict, the pedestal (4) is provided with moment of torsion detection components (7), the moment of torsion detection components (7) and connecting shaft
(53) mutually linkage, during detection, passage cylinder (1) pushes fixed block (3) to guide plate, by sprocket wheel (31) and the chain phase on guide plate
Engagement.
2. guide plate sprocket wheel detection means according to claim 1, it is characterised in that：The moment of torsion detection components (7) include
Torque output calculator (73), power detector (71) and speed detector (72), the power detector (71) and driving
The fuselage coupling of motor (2) is also coupled with torque output calculator (73), for detecting that the power output of motor (2) is inputted
In to torque output calculator (73), the speed detector (72) includes the collar (721) and retainer ring (722), the set
Ring (721) is socketed in connecting shaft (53), the rotatable outside for being set in the collar (721) of retainer ring (722), described solid
Determine ring (722) to be coaxially fixed on the upper surface of pedestal (4), chute is offered on the internal ring wall of the retainer ring (722)
(7221), being connected with sliding block (7222), the cell wall of described chute (7221) one end for the interior slip of the chute (7221) sets
There is variable resistance shell (7223), the variable resistance shell (7223) is in be laid with to extend along its length on hollow structure, its inwall
Coil, one end of the sliding block (7222), which is fixedly connected with connecting rod (7225), the connecting rod (7225), is arranged with spring
(7226), the two ends of the spring (7226) are inconsistent with sliding block (7222) and variable resistance shell (7223) respectively, the connecting rod
(7225) one end is fixedly connected with sliding block (7222), and the other end is extend into variable resistance shell (7223), and is fixedly connected with and is led
Electric piece, the conducting strip is mutually contradicted and conductive with coil, and the external annulus of the retainer ring (722) are provided with two terminals
Son, two binding posts are electrically connected with conducting strip and coil respectively, and described two binding posts one are connected with external power source, separately
One is coupled with torque output calculator (73), and also the fuselage with motor (2) is coupled.
3. guide plate sprocket wheel detection means according to claim 2, it is characterised in that：The power detector (71) includes：
Current detection circuit (711), is coupled to the fuselage of motor (2), is further coupled to torque output calculator (73), is used for
The electric current in motor (2) is detected, and is transmitted to torque output calculator (73)；Voltage detecting circuit (712), is coupled to
The fuselage of motor (2), is further coupled to torque output calculator (73), for detecting the voltage in motor (2), and passes
Transport in torque output calculator (73).
4. guide plate sprocket wheel detection means according to claim 3, it is characterised in that：Current detection circuit (711) bag
Include：
Triode Q, the triode Q colelctor electrode are coupled with resistance R1 and are followed by power supply, grounded emitter, and base stage is coupled with resistance R2
Power supply is followed by, the base stage, which is coupled with after resistance R3, is coupled to torque output calculator (73), and wherein emitter stage has been also coupled to resistance
Torque output calculator (73) is coupled to after R4；
The voltage detecting circuit (712) includes detection resistance R5 and detection resistance R6, the detection resistance R5 one end coupling
Fuselage in motor (2), is further coupled to triode Q colelctor electrode, and the end also with torque output calculator (73) coupling
Connect, the other end ground connection of the detection resistance R5, one end and the detection resistance R5 of the detection resistance R6 are coupled, other end coupling
In power supply.
5. the guide plate sprocket wheel detection means according to claim 3 or 4, it is characterised in that：The torque output calculator
(73) include：
CPU (731) is controlled, thereon with multiple I/O interfaces, the control CPU (731) passes through I/O interfaces and current detecting electricity
Road (711) and voltage detecting circuit (712) coupling, for receive current detection circuit (711) output motor current values and
The electric moter voltage numerical value of receiving voltage detection circuit (712) output, control CPU (731) also passes through I/O interfaces and the collar
(721) binding post coupling, for receive binding post output speed values, and according to current values, voltage value and
Speed values calculate torque value and exported；
Display module (732), is coupled to control CPU (731) I/O interfaces, the moment of torsion for receiving control CPU (731) outputs
Numerical value is simultaneously shown.
6. guide plate sprocket wheel detection means according to claim 5, it is characterised in that：Pass through inside the control CPU (731)
Calculation formula calculated torque numerical value, calculation formula is as follows：
<mrow>
<mi>N</mi>
<mo>=</mo>
<mfrac>
<mrow>
<mn>9550</mn>
<mo>*</mo>
<mi>U</mi>
<mi>I</mi>
</mrow>
<mrow>
<mi>&rho;</mi>
<mi>R</mi>
</mrow>
</mfrac>
<mo>;</mo>
</mrow>
Wherein, N is moment of torsion, and U is that voltage detecting circuit detection obtains magnitude of voltage, and I is that current detection circuit detects the electric current obtained
Value, ρ is resistance and rotating speed conversion coefficient, and R is the output resistance of binding post.
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| CN201710280260.2A CN107063682B (en) | 2017-04-25 | 2017-04-25 | Guide plate sprocket detection device |
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| CN201710280260.2A CN107063682B (en) | 2017-04-25 | 2017-04-25 | Guide plate sprocket detection device |
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| CN107063682B CN107063682B (en) | 2023-05-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900398A (en) * | 2019-03-22 | 2019-06-18 | 长春大学 | Squash type torque-measuring apparatus based on sheet type piezoresistor |
| CN109916784A (en) * | 2019-04-04 | 2019-06-21 | 东北大学 | A kind of measuring device and method rotating aspherical particle torque |
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| CN104155102A (en) * | 2014-07-15 | 2014-11-19 | 重庆大学 | Transmission and friction experiment table for multifunctional mechanical part |
| CN105424247A (en) * | 2015-12-31 | 2016-03-23 | 金华职业技术学院 | Power detection device and method of harvester |
| CN206787823U (en) * | 2017-04-25 | 2017-12-22 | 浙江硕和机器人科技有限公司 | A kind of guide plate sprocket wheel detection means |
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2017
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB305774A (en) * | 1927-12-23 | 1929-02-14 | Charles Francis Cowdrey | Improvements in or relating to brake testing machines |
| CN101769805A (en) * | 2010-03-02 | 2010-07-07 | 五邑大学 | Test bed for testing friction torque property of double ball screws |
| CN104155102A (en) * | 2014-07-15 | 2014-11-19 | 重庆大学 | Transmission and friction experiment table for multifunctional mechanical part |
| CN105424247A (en) * | 2015-12-31 | 2016-03-23 | 金华职业技术学院 | Power detection device and method of harvester |
| CN206787823U (en) * | 2017-04-25 | 2017-12-22 | 浙江硕和机器人科技有限公司 | A kind of guide plate sprocket wheel detection means |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900398A (en) * | 2019-03-22 | 2019-06-18 | 长春大学 | Squash type torque-measuring apparatus based on sheet type piezoresistor |
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| CN109916784A (en) * | 2019-04-04 | 2019-06-21 | 东北大学 | A kind of measuring device and method rotating aspherical particle torque |
| CN109916784B (en) * | 2019-04-04 | 2020-04-14 | 东北大学 | Device and method for measuring torque of rotating non-spherical particles |
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|---|---|
| CN107063682B (en) | 2023-05-30 |
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