CN108106508A - A kind of lever meter - Google Patents
A kind of lever meter Download PDFInfo
- Publication number
- CN108106508A CN108106508A CN201711463825.7A CN201711463825A CN108106508A CN 108106508 A CN108106508 A CN 108106508A CN 201711463825 A CN201711463825 A CN 201711463825A CN 108106508 A CN108106508 A CN 108106508A
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- lever
- housing
- grid
- measurement
- pivot axle
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- 238000005259 measurement Methods 0.000 claims abstract description 81
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000006073 displacement reaction Methods 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 claims abstract description 23
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 11
- 238000012937 correction Methods 0.000 claims abstract description 4
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 13
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 239000002360 explosive Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000003321 amplification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 208000032369 Primary transmission Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012733 comparative method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/22—Feeler-pin gauges, e.g. dial gauges
Abstract
The present invention relates to a kind of lever meter, including housing, measurement lever, displacement sensor and microcontroller；The end of the measurement lever extends to after the enclosure interior and moves to measure with institute displacement sensors synchronous hunting；The microcontroller is in the housing and passes through institute's displacement sensors and swings the signal correction generated and calculate measurement result, and the liquid crystal display for showing measurement result is additionally provided on the outside of the housing；Institute's displacement sensors are made of the moving grid of fixed grid and sector structure；The fixed grid is fixed on the top that the measurement lever end is corresponded in the housing, and the moving grid is fixed on the end of the measurement lever and is swung with opposite fixed grid after measurement lever linkage.The lever meter has avoided the entire precise motion transmission mechanism between lever arm and moving grid, on the one hand production cost is greatly saved, in addition lever arm is reduced with moving grid there is no any intermediary movements transmission mechanism because the error that Multi-stage transmission is formed, greatly improves measurement accuracy.
Description
Technical field
The present invention relates to measurement clothing arts, and in particular to a kind of lever meter.
Background technology
Lever meter is otherwise known as lever indicator or Pictest, traditional lever meter be using lever-gear drive, will
Change in size is pointer angular displacement, and indicates the measurement instrument of length dimension numerical value, for measuring workpiece geometries error
With mutual alignment correctness, and available comparative method for measuring length.
With the development of measurement technology, occurs the number for making measurement result digital display by displacement sensor currently on the market
Aobvious lever meter.Existing domestic and international digital display lever meter is all will on the mechanical component i.e. gear drive of former mechanical lever table
The pointer of dial gauge changes capacitive grating encoder into and transforms, and therefore, also maintains gear drive.The machine of mechanical lever table
Tool component is a precision component, particularly the complex manufacturing technology of precision gear transmission mechanism, not only to production equipment requirement
Height, and service life is also low.
The Chinese invention patent of Application No. CN99124574.1 discloses a kind of capacitive grid type digital display lever meter, although
The mechanical structure and circuit structure of existing digital display lever meter are simplified to a certain extent, but the capacitive grid type digital display lever meter is in circle
Moving grid is installed on turntable, and circle turntable is set by the way that shaft (pivot of circle turntable) is rotatable, and lever arm promotes circle
Turntable rotates around the axis.Therefore, movement transmission machine certainly will be formed between above-mentioned capacitive grid type digital display lever meter lever arm and circle turntable
Structure, otherwise justifying turntable can not rotate, and if lever arm end is sector gear, circle turntable periphery is equipped with what is matched with sector gear
The gear teeth, lever swing promote circle turntable to rotate by the sector gear of its end.No matter what is used between lever arm and circle turntable
Kind of movement transferring can increase at least level-one movement and transfer, as long as and increase level-one movement and transfer, will improve cost and
Introduce error, and increased transmission mechanism will also influence precision, most at work after Reusability as gear can form abrasion
Cause the reduced service life of lever meter eventually.
The content of the invention
In conclusion for overcome the deficiencies in the prior art, the technical problems to be solved by the invention are to provide a kind of lever
Table.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of lever meter, including housing, measurement lever, position
Displacement sensor and microcontroller；Institute's displacement sensors are in the inside of the housing；The measurement lever is rotatably mounted on
On the housing, and its front end stretches out the housing and is externally provided with measurement contact, end extend to after the enclosure interior with institute
Displacement sensors synchronous hunting moves to measure；The microcontroller is in the housing and passes through institute's displacement sensors
It swings the signal correction generated and calculates measurement result, be additionally provided with show measurement result on the outside of the housing
Liquid crystal display；Institute's displacement sensors are any one in capacitor grid transducer, magnetic induction sensor or CCD displacement sensors,
It is made of the moving grid of fixed grid and sector structure；The fixed grid, which is fixed on, corresponds to the upper of the measurement lever end in the housing
Side, the moving grid are fixed on the end of the measurement lever and are swung with opposite fixed grid after measurement lever linkage.
The beneficial effects of the invention are as follows：The entire precise motion that the lever meter has been avoided between lever arm and moving grid transfers machine
On the one hand production cost is greatly saved in structure, in addition lever arm and moving grid be there is no any intermediary movements transmission mechanism, reduce because
For the error that Multi-stage transmission is formed, measurement accuracy is greatly improved.
Based on the above technical solutions, the present invention can also be improved as follows：
Further, corresponded on the housing and limitation survey is equipped at the position of the measurement lever or measurement lever pivot
The anti-deflection mechanism of beat occurs in rotation process for amount lever.
Further, the measurement lever includes the primary lever and second lever that are set axially back and forth along the housing；Institute
The middle part for stating primary lever is rotatably mounted on the end of the housing by the pivot component, and institute is stretched out in front end
It states and contact is measured described in shell Ligation in vitro, end corresponds to the forepart of the second lever；The forepart of the second lever, which is equipped with, to be made
It is corresponded in the forepart of the two level bar in the Pivot axle rotated in the housing two before and after the Pivot axle
Side is respectively equipped with stirred from different directions by the primary lever end after keep same direction rotate finger, the two level
The moving grid is fixed on the end of lever；The housing is equipped with described in limitation during the second lever is in rotation
Pivot axle occurs beat and beat occurs in rotation process to ensure the fixed grid and institute so as to fulfill limitation second lever
State the anti-deflection mechanism of clearance constant between moving grid.
Advantageous effect using above-mentioned further scheme is：Fixed grid and moving grid must keep gap during relative swing
It is constant just to can guarantee measurement accuracy, by the way that anti-deflection mechanism is set to ensure that the gap of fixed grid and moving grid during relative swing is permanent
Determine to ensure measurement accuracy.
Further, the anti-deflection mechanism includes two stop screws；It is corresponded in the housing in the Pivot axle
Side is equipped with for the fixed plate at the top of rotatably mounted Pivot axle, and the bottom of the Pivot axle is rotatably mounted on
On the housing at corresponding position；A wherein stop screw is mounted in the housing and under the corresponding moving grid
The bottom of moving grid is simultaneously withstood upwards by side, and another stop screw is in the fixed plate and downwardly against the level-one thick stick
The upper surface of bar.
Further, the anti-deflection mechanism is sent out including two limitation Pivot axles with vertical direction in the horizontal direction
The deep groove ball bearing of raw beat；Two deep groove ball bearings are in the housing and above and below the corresponding Pivot axles
Position, the upper and lower part of the Pivot axle are set on two deep groove ball bearings.
Further, the anti-deflection mechanism is sent out including two limitation Pivot axles with vertical direction in the horizontal direction
The thrust ball bearing of raw beat；Two thrust ball bearings are in the housing and above and below the corresponding Pivot axles
Position, the upper and lower part of the Pivot axle are set on two thrust ball bearings.
Further, the anti-deflection mechanism is sent out including two limitation Pivot axles with vertical direction in the horizontal direction
The limit shaft of raw beat；It corresponds in the housing and is equipped with above the Pivot axle for rotatably mounted Pivot axle top
The fixed plate in portion, the bottom of the Pivot axle are rotatably installed at corresponding position on the housing；Described in two
Limit shaft is arranged in parallel in the upper-lower position in the housing and in the middle part of the corresponding second lever.
Further, the anti-deflection mechanism is the guide groove with the second lever ends match；It is right in the housing
It answers and is equipped with above the Pivot axle for the fixed plate at the top of rotatably mounted Pivot axle, the Pivot axle
It rotatably installs at corresponding position on the housing bottom；The guide groove is in the housing and corresponds to the two level
At the position of lever end, the end of the second lever reaches the guide groove after reaching the outside of the moving grid bottom
It is interior.
Advantageous effect using above-mentioned further scheme is：The anti-deflection mechanism of diversified forms ensures that fixed grid and moving grid exist
Clearance constant during relative swing meets the needs of different productions or measurement work.
Further, the conducting wire for identifying the direction that the primary lever stirs the second lever is further included；Close to institute
The bottom for stating the finger of moving grid is erected at by insulation sleeve on the second lever；One end of the conducting wire connects the fixed grid,
The finger of the close moving grid of its other end connection, and the fixed grid, the conducting wire, the finger close to the moving grid and institute
A signal being switched on or off can be formed in the case where primary lever is to the stirring of second lever different directions by stating primary lever
Circuit, the microcontroller identify that the primary lever stirs the second lever according to the conducting and disconnection of the signal circuit
Direction, and correct in the housing axial direction manufacture of Pivot axle both sides part or rigging error.
Advantageous effect using above-mentioned further scheme is：Pivot is overcome by the swaying direction for identifying primary lever
The manufacture of axis both sides part or rigging error, further improve measurement accuracy.
Further, the measurement lever measures lever for level-one, and the moving grid is fixed on the end of the level-one measurement lever
On end；The anti-deflection mechanism includes two stop screws；It corresponds to be equipped with above the Pivot axle in the housing and be used for
Fixed plate at the top of rotatably mounted Pivot axle, the bottom of the Pivot axle are rotatably installed on the housing
At corresponding position；A wherein stop screw is mounted in the housing and corresponds to the lower section of the moving grid and push up upwards
The firmly bottom of moving grid, another stop screw are in the fixed plate and downwardly against the upper table of the primary lever
Face.
Advantageous effect using above-mentioned further scheme is：It is primary lever to simplify measurement lever, and ensures that lever is being surveyed
Beat does not occur in amount work, ensures measurement accuracy while simplifying lever meter structure.
Further, the conducting wire for identifying the direction that the primary lever is swung is further included；Described one is corresponded in the housing
The lower section at grade lever rear portion is rotatably equipped with support plate by shaft, correspond in the housing above the shaft equipped with being used for
Corresponding position on the housing is rotatably installed in fixed plate at the top of rotatably mounted shaft, the bottom of the shaft
Place；It the axial both sides of its center of rotation is corresponded in the support plate is equipped with straight up and dialled from different directions by the primary lever
Dynamic finger is erected at by insulation sleeve in the support plate close to the bottom of the finger of the moving grid；
One end of the conducting wire connects the fixed grid, and the other end connects the finger close to the moving grid, and described fixed
Grid, the conducting wire, the finger close to the moving grid and the primary lever dial support plate different directions in primary lever
A signal circuit being switched on or off can be formed under dynamic, the microcontroller is known according to the conducting and disconnection of the signal circuit
Do not go out the direction that the primary lever is swung, and correct and primary lever pivot both sides part is in the housing axial direction
Manufacture or rigging error.
Advantageous effect using above-mentioned further scheme is：Revolving part two is overcome by the swaying direction for identifying primary lever
The manufacture of side part or rigging error, further improve measurement accuracy.
Description of the drawings
Fig. 1 is the explosive view of embodiment one；
Fig. 2 is the top view that embodiment one removes the components such as case top lid and fixed grid；
Fig. 3 is the A-A sectional views of Fig. 2；
Fig. 4 is the graphics that Fig. 2 removes fixed plate；
Fig. 5 is the explosive view (removal housing upper and lower covers and liquid crystal display etc.) of embodiment two；
Fig. 6 is the top view that embodiment two removes case top lid；
Fig. 7 is the A-A sectional views of Fig. 6；
Fig. 8 is the explosive view (removal housing upper and lower covers and liquid crystal display etc.) of embodiment three；
Fig. 9 is the top view that embodiment three removes case top lid；
Figure 10 is the A-A sectional views of Fig. 9；
Figure 11 is the explosive view (removal housing upper and lower covers and liquid crystal display etc.) of example IV；
Figure 12 is the top view that example IV removes case top lid；
Figure 13 is the A-A sectional views of Figure 12；
Figure 14 is the explosive view (removal housing upper and lower covers and liquid crystal display etc.) of embodiment five；
Figure 15 is the top view on the removal housing of embodiment five；
Figure 16 is the A-A sectional views of Figure 15；
Figure 17 is the explosive view (removal housing upper and lower covers and liquid crystal display etc.) of embodiment six；
Figure 18 is the top view that embodiment six removes case top lid；
Figure 19 is the A-A sectional views of Figure 18.
Figure 20 is the explosive view (removal housing upper and lower covers and liquid crystal display etc.) of embodiment seven；
Figure 21 is the top view that embodiment seven removes case top lid；
Figure 22 is the A-A sectional views of Figure 21；
Figure 23 is the B enlarged drawings of Figure 22.
In attached drawing, parts list represented by the reference numerals is as follows：
1st, housing, 2, primary lever, 3, measurement contact, 4, liquid crystal display, 5, fixed grid, 6, moving grid, 7, second lever, 8,
Pivot axle, 9, finger, 10, screw, 11, deep groove ball bearing, 12, thrust ball bearing, 13, limit shaft, 14, guide groove, 15,
Conducting wire, 16, insulation sleeve, 17, sphere, 18, revolving part, 19, cover, 20, support plate, 21, fixed plate.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
Embodiment one
As shown in Figs 1-4, a kind of lever meter, including housing 1, measurement lever, displacement sensor and microcontroller.The displacement
Sensor is in the inside of the housing 1, and the measurement lever is rotatably mounted on the housing 1, and its front end is stretched
Go out the housing 1 and be externally provided with measurement contact 3, end extend to behind 1 inside of housing with institute's displacement sensors synchronous hunting
It moves to measure.The microcontroller, which is in the housing 1 and passes through institute's displacement sensors, swings the signal correction generated
And measurement result is calculated, the liquid crystal display 4 for showing measurement result is additionally provided in the outside of the housing 1.It is described
Displacement sensor is any one in capacitor grid transducer, magnetic induction sensor or CCD displacement sensors, by fixed grid 5 and sector
The moving grid 6 of structure forms.The fixed grid 5 is fixed on the top that the measurement lever end is corresponded in the housing 1, the moving grid
6 are fixed on the end of the measurement lever and are swung with opposite fixed grid 5 after measurement lever linkage.Since moving grid 6 is with respect to fixed grid 5
The simultaneously non-translational motion for rotary motion, so moving grid 6 is designed as sector structure, so as to which its grid is also designed to sector.
It is corresponded on the housing 1 and limitation measurement lever is equipped at the position of the measurement lever or measurement lever pivot
The anti-deflection mechanism of beat occurs in rotation process.
The measurement lever includes the primary lever 2 set axially back and forth along the housing 1 and second lever 7；Described one
The middle part of grade lever 2 is rotatably mounted on the end of the housing 1, and front end, which is stretched out outside the housing 1, connects the measurement
Contact 3, end correspond to the forepart of the second lever 7；The forepart of the second lever 7, which is equipped with, makes it in the housing 1 turns
Dynamic Pivot axle 8, and correspond in the forepart of the two level bar 78 front and rear sides of Pivot axle be respectively equipped with by
2 end of primary lever keeps the finger 9 that same direction rotates, the end of the second lever 7 after stirring from different directions
The moving grid 6 is fixed on end；The housing 1 is equipped with limits the rotation in the second lever 7 during rotation
Central shaft 8 occurs beat and beat occurs in rotation process to ensure the fixed grid 5 and described so as to fulfill limitation second lever 7
The anti-deflection mechanism of clearance constant between moving grid 6.It is specific as follows：
The anti-deflection mechanism includes two stop screws 10；8 top of Pivot axle is corresponded in the housing 1 to set
The fixed plate 21 at rotatably mounted 8 top of Pivot axle is useful for, the bottom of the Pivot axle 8 is rotatably mounted on
On the housing 1 at corresponding position；A wherein stop screw 10 is mounted in the housing 1 and the corresponding moving grid
6 lower section and the bottom for withstanding moving grid 6 upwards, another stop screw 10 be in the fixed plate 21 and downwardly against
The upper surface of the primary lever 2.In measurement process, one is formed since moving grid 6 is fixed on second lever 7,6 quilt of moving grid
Two stop screws are withstood about 10 is stuck in centre, and when moving grid 6 is with respect to 5 rotation measuring of fixed grid, moving grid 6 is in two /V spiral shells
It is rotated between nail 10.Under the action of stop screw 10, beat can not possibly occur for moving grid 6, so as to keep and determine in rotation process
The clearance constant of grid 5, it is ensured that (moving grid turns round measurement accuracy after swinging under the action of reset components such as torsional spring, is existing skill
Art is not introduced herein).In addition, moving grid 6 is directly anchored on second lever 7 in the lever meter, lever arm is avoided with moving
Entire precise motion transmission mechanism between grid, is on the one hand greatly saved production cost, in addition lever arm is not present with moving grid
Any intermediary movements transmission mechanism is reduced because the error that Multi-stage transmission is formed, further improves measurement accuracy.
The part that requirement is relatively rotated in measurement lever pivot both sides in existing lever meter, will reach very high
The accuracy of manufacture, for example need to overcome manufacture or dress by constantly debugging in micron-sized tolerance grade or assembling process
It can just meet the requirements with error.If part will reach such as IT1 grades of micron-sized tolerance grade, IT2 grades of tolerances can then cause
The manufacture cost of part increases considerably.Therefore, to overcome above-mentioned technical problem, mechanical lever table is generally mostly by special at present
Industry technical staff's adjustment comes out, this requirement to related personnel is very high to be can be only achieved, it is necessary to carry out training for a long time to it.
The present invention overcomes above-mentioned technical problem by following proposal：
The lever meter further includes the conducting wire 15 for identifying the direction that the primary lever 2 stirs the second lever 7.It leans on
The bottom of the finger 9 of the nearly moving grid 6 is erected at by insulation sleeve 16 on the second lever 7, and one end of the conducting wire 15 connects
Meet the fixed grid 5, the finger 9 of the close moving grid 5 of other end connection, and the fixed grid 5, the conducting wire 15, close institute
The finger 9 and the primary lever 2 for stating moving grid 5 can be formed in the case where primary lever 2 is to the stirring of 7 different directions of second lever
One signal circuit being switched on or off；The microcontroller identifies the level-one according to the conducting and disconnection of the signal circuit
The direction that lever 2 stirs the second lever 7, and correct the 2 both sides part of Pivot axle in 1 axial direction of housing
Manufacture or rigging error.Fig. 4 is refer to, (primary lever 2 is stirred away from dynamic when the end of primary lever 2 is rotated towards a directions
The finger 9 of grid 6), the end of primary lever 2 can be away from the finger 9 close to moving grid 5, since the bottom of the finger 9 is equipped with insulation sleeve
16, when the end of primary lever 2 depart from close to moving grid 5 finger 9 when, by fixed grid 5, conducting wire 15, close to moving grid 5 finger 9 with
And the signal circuit that primary lever 2 is formed will be gone off from script conducting state；Conversely, when the end of primary lever 2 is towards a
(primary lever 2 stirs the finger 9 close to moving grid 6), the primary lever 2 in entire rotation process when direction opposite direction rotates
End can be close to the finger 9 close to moving grid 5 always, and signal circuit will be always maintained at conducting state.Microcontroller is according to above-mentioned
The variation of signal circuit state can identify the rotation direction of primary lever 2, and then microcontroller is again to being in second lever 7
Pivot (Pivot axle 8) both sides part manufacture or rigging error be modified respectively, avoid the essence ultimately resulted in
Spend error.In conclusion by the conducting wire 15 of installation, the swaying direction of microcontroller identification primary lever 2 overcomes Pivot axle
The manufacture of both sides part or rigging error while measurement accuracy is ensured, reduce the making to part and assembly precision requirement,
Also remove the work that professional technician debugs repeatedly from, greatly reduce manufacturing cost.
Further, since sensor moving grid 5 is directly anchored on measurement lever arm, fixed position determines lever meter
Amplification ratio in measurement process, due in batch production process it is difficult to ensure that the fixed position of each moving grid 5 is identical, institute
Will generate amplification ratio error, Product Precision is impacted.The present invention puts each lever meter using the microcontroller of itself band
Big ratio does coefficient amendment, it is ensured that measurement lever amplification than accuracy so that moving grid 5 is measuring lever arm in process of production
On the no stringent status requirement of installation, reduce assembly difficulty so as to substantially reduce manufacture cost.
Embodiment two
Anti- deflection mechanism is made in the embodiment and is changed, other structures are consistent with embodiment one.As illustrated in figs. 5-7, it is described
Anti- deflection mechanism includes the deep groove ball bearing that beat occurs in the horizontal direction with vertical direction for two limitation Pivot axles 8
11；Two deep groove ball bearings 11 are in the housing 1 and position of the corresponding Pivot axle about 8, the rotation
The upper and lower part for turning central shaft 8 is set on two deep groove ball bearings 11.Deep groove ball bearing 11 due to itself
Design feature, inner ring are that horizontal direction position is fixed on the radial, and i.e. vertical direction can slide up and down (bottom stopper in the axial direction
Point).Therefore, Pivot axle 8 can be limited in level side by being sleeved on by first deep groove ball bearing 11 in Pivot axle 8
To generation beat；When filling second deep groove ball bearing 11, no matter second deep groove ball bearing 11 is in first deep groove ball bearing
11 top or lower section, the only inner ring of the inner ring and first deep groove ball bearing 11 of guaranteed second deep groove ball bearing 11
Position is staggered, and the inner ring of such as first deep groove ball bearing 11 is in the inner ring of top dead centre, then second deep groove ball bearing 11
In lower dead center, the inner rings of two deep groove ball bearings under interaction cannot lower slider in the vertical direction, so as to fulfill
It limits Pivot axle 8 and beat occurs with vertical direction in the horizontal direction.Pivot axle 8 does not occur that beat, 6 turns of moving grid occurs
The clearance constant with fixed grid 5 can be kept during dynamic, finally ensures measurement accuracy.
Embodiment three
Anti- deflection mechanism is made in the embodiment and is changed, other structures are consistent with embodiment one.As seen in figs. 8-10, it is described
Anti- deflection mechanism includes the thrust ball bearing that beat occurs in the horizontal direction with vertical direction for two limitation Pivot axles 8
12；Two thrust ball bearings 12 are in the housing 1 and position of the corresponding Pivot axle about 8, the rotation
The upper and lower part for turning central shaft 8 is set on two deep groove ball bearings 11.Thrust ball bearing 12 due to itself
Design feature, inner ring in the axial direction be vertical direction position fix, on the radial i.e. horizontal direction can horizontally slip (left and right stop
Point).Therefore, Pivot axle 8 can be limited in vertical side by being sleeved on by first thrust ball bearing 12 in Pivot axle 8
To generation beat；When filling second thrust ball bearing 12, no matter second thrust ball bearing 12 is in first thrust ball bearing
12 top or lower section, the only inner ring of the inner ring and first thrust ball bearing 12 of guaranteed second thrust ball bearing 12
Position is staggered, and the inner ring of such as first thrust ball bearing 12 is in the inner ring of left stop, then second thrust ball bearing 12
In right stop, the inner ring of two deep groove ball bearings cannot horizontally slip in the horizontal direction under interaction, so as to fulfill
It limits Pivot axle 8 and beat occurs with vertical direction in the horizontal direction.Pivot axle 8 does not occur that beat, 6 turns of moving grid occurs
The clearance constant with fixed grid 5 can be kept during dynamic, finally ensures measurement accuracy.
Example IV
Anti- deflection mechanism is made in the embodiment and is changed, other structures are consistent with embodiment one.As figs 11-13, institute
Stating anti-deflection mechanism includes the limit shaft that beat occurs in the horizontal direction with vertical direction for two limitation Pivot axles 8
13；8 top of Pivot axle is corresponded in the housing 1 to be equipped with for the fixation at rotatably mounted 8 top of Pivot axle
Plate 21, the bottom of the Pivot axle 8 are rotatably mounted on the housing 1 at corresponding position；Two /Vs
Axis 13 is arranged in parallel in the housing 1 and the upper-lower position at corresponding 7 middle part of the second lever.Second lever 7 is in up and down
Between two limit shafts 13, and the distance between limit shaft 13 matches with second lever 7, and second lever 7 can only be at two
It is rotated between limit shaft 13, beat does not occur so as to limit second lever 7.Since second lever 7 and moving grid 6 are same rotation
Center (Pivot axle 8), the two does not have relative motion in measurement process, on the premise of beat does not occur for second lever 7,
The clearance constant with fixed grid 5 can be kept in 6 rotation process of moving grid, finally can likewise ensure that measurement accuracy.
Embodiment five
Anti- deflection mechanism is made in the embodiment and is changed, other structures are consistent with embodiment one.As illustrated in figures 14-16, institute
Anti- deflection mechanism is stated as the guide groove 14 with 7 ends match of second lever；The pivot is corresponded in the housing 1
8 top of axis is equipped with for the fixed plate 21 at rotatably mounted 8 top of Pivot axle, and the bottom of the Pivot axle 8 can turn
Dynamic is mounted on the housing 1 at corresponding position；The guide groove 14 is in the housing 1 and corresponds to the second lever
At the position of 7 ends, the end of the second lever 7 reaches the guide groove 14 after reaching the outside of 6 bottom of moving grid
It is interior.The cavity of guide groove 14 matches with moving grid 6, and the end of moving grid 6 is oriented in the cavity of guide groove 14 and in guide groove 14
Lower swing can keep the clearance constant with fixed grid 5 in rotation process, finally can likewise ensure that measurement accuracy.
Embodiment six
As in figs. 17-19, the measurement lever measures lever 2 for level-one, and the moving grid 6 is fixed on the level-one measurement
On the end of lever 2；The anti-deflection mechanism includes two stop screws 10；The Pivot axle 8 is corresponded in the housing 1
Top is equipped with the fixed plate 21 for being used for rotatably mounted 8 top of Pivot axle, and the bottom of the Pivot axle 8 is rotatable
On the housing 1 at corresponding position；A wherein stop screw 10 is mounted in the housing 1 and corresponding institute
State the lower section of moving grid 6 and withstand the bottom of moving grid 6 upwards, another stop screw 10 be in the fixed plate 21 and to
Under withstand the upper surface of the primary lever 2.The embodiment anti-deflection principle is identical with embodiment one, not only can guarantee moving grid
Measurement accuracy is improved in 6 rotation processes with the clearance constant of fixed grid 5, and moving grid 6 is fixed on level-one measurement thick stick in the embodiment
On the end of bar 2, second lever is saved so that entire mechanical structure is simpler.After saving second lever, measurement contact 3 with
Direction that both moving grids 6 are swung is on the contrary, the zero point of lever meter is in an intermediate position, and not zero point in embodiment one to five
In a side position.Therefore, when reaching the same range in the same circumstances, the volume of the lever meter of the embodiment is done big by one
Point due to only there was only primary transmission, greatly improves measurement accuracy.In addition, the embodiment uses primary lever
The lever meter of structure can be according to actual needs using any anti-deflection mechanism of above-described embodiment two to five, to ensure 6 turns of moving grid
With the clearance constant of fixed grid 5 and improving measurement accuracy during dynamic.
With above-mentioned, the present invention reduces the making of part and assembly precision requirement by setting conducting wire 15, specifically such as
Under：
The lower section that 2 rear portion of primary lever is corresponded in the housing 1 is rotatably equipped with support plate 20 by shaft 22,
22 top of shaft is corresponded in the housing 1 to be equipped with for the fixed plate 21 at rotatably mounted 22 top of shaft, the shaft
22 bottom is rotatably mounted on the housing 1 at corresponding position；Its center of rotation is corresponded in the support plate 20
Axial both sides are equipped with the finger 9 stirred from different directions by the primary lever 2 straight up, close to the finger 9 of the moving grid 6
Bottom be erected at by insulation sleeve 16 in the support plate 20.One end of the conducting wire 15 connects the fixed grid 5, the other end
Connection close to the moving grid 6 finger 9, and the fixed grid 5, the conducting wire 15, close to the finger 9 of the moving grid and described
Primary lever 2 can form a signal being switched on or off in the case where primary lever 2 is to the stirring of 20 different directions of support plate
Circuit；The microcontroller identifies the direction of the swing of primary lever 2 according to the conducting and disconnection of the signal circuit, and corrects
The manufacture in 2 pivot both sides part of primary lever or rigging error in 1 axial direction of housing.
Figure 18 is refer to, when end, that is, moving grid 6 of primary lever 2 is rotated towards b directions, corresponds to dialling away from moving grid 6
The position (middle part) of pin 9 is equally rotated towards b directions, and the middle part of primary lever 2 can be away from the finger 9 close to moving grid 5, due to this group
The bottom of pin 9 be equipped with insulation sleeve 16, when the middle part of primary lever 2 depart from close to moving grid 5 finger 9 when, by fixed grid 5, conducting wire 15,
The signal circuit formed close to the finger 9 and primary lever 2 of moving grid 5 will be gone off from script conducting state；Conversely, work as
The end of primary lever 2 towards b directions opposite direction rotate when, the middle part of primary lever 2 can be tight always in entire rotation process
The finger 9 close to moving grid 5 is against, signal circuit will be always maintained at conducting state, and (support plate rotates synchronously, and multiple after rotation
Position).Microcontroller can identify the rotation direction of primary lever 2 according to the variation of above-mentioned signal circuit state, then monolithic
Machine is again modified the manufacture or rigging error of the pivot both sides part that is in primary lever 2 respectively, can equally keep away
Exempt from the trueness error ultimately resulted in.
Embodiment seven
Anti- deflection mechanism is made in the embodiment and is changed, other structures are consistent with embodiment six.As depicted in figs. 20-23, institute
Stating anti-deflection mechanism includes sphere 17 and revolving part 18, and the revolving part 18 be in the centre of 1 end of housing, top with
Bottom is respectively equipped with the conical socket to match with the sphere 17；There are two the spheres 17, and two spheres 17 are distinguished
In the conical socket；The middle part of the primary lever 2 is connected with the revolving part 18, and 1 end of housing corresponds to institute
Stating equal screw thread installation at the position of sphere 17, there are one be pressed into sphere 17 in corresponding conical socket to limit the revolving part
18 occur the cover 19 of beat, and the cover 19 corresponds to and is also equipped with what is matched with sphere 17 at the position of the sphere 17
Conical socket.Two covers 19 adjust position of the sphere 17 in conical socket up and down for rotation so that the top and bottom of sphere 17
Portion both sides are tangent with the inner wall of conical socket, ensure sphere 17 can only in conical socket around its axial rotation without beat,
It can be rotated again with minimum frictional force simultaneously, and then ensure to keep the clearance constant with fixed grid 5 in 6 rotation process of moving grid.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of lever meter, including housing (1), measurement lever, displacement sensor and microcontroller；Institute's displacement sensors are in institute
State the inside of housing (1)；The measurement lever is rotatably mounted on the housing (1), and the shell is stretched out in its front end
Body (1) is externally provided with measurement contact (3), and end extends to behind the housing (1) inside and moved with institute displacement sensors synchronous hunting
To measure；The microcontroller, which is in the housing (1) and passes through institute's displacement sensors, swings the signal correction generated
And measurement result is calculated, the liquid crystal display (4) for showing measurement result is additionally provided on the outside of the housing (1)；
It is characterized in that, institute's displacement sensors are any one in capacitor grid transducer, magnetic induction sensor or CCD displacement sensors,
It is made of the moving grid (6) of fixed grid (5) and sector structure；The fixed grid (5), which is fixed in the housing (1), corresponds to the measurement
The top of lever end, the moving grid (6) are relatively fixed after being fixed on the end of the measurement lever and linking with measurement lever
Grid (5) are swung.
2. lever meter according to claim 1, which is characterized in that the measurement lever or survey are corresponded on the housing (1)
It measures and the anti-deflection mechanism that beat occurs in rotation process for limitation measurement lever is equipped at the position of lever pivot.
3. lever meter according to claim 2, which is characterized in that the measurement lever includes axial along the housing (1)
The primary lever (2) of front and rear setting and second lever (7)；The middle part of the primary lever (2) is rotatably mounted on the shell
The end of body (1), front end stretch out the housing (1) and connect the measurement contact (3) outside, and end corresponds to the second lever
(7) forepart；The forepart of the second lever (7), which is equipped with, makes it in the Pivot axle (8) rotated in the housing (1), and
And the Pivot axle (8) front and rear sides are corresponded in the forepart of the second lever (7) and are respectively equipped with by the primary lever
(2) finger (9) of same direction rotation is kept after end is stirred from different directions, is consolidated on the end of the second lever (7)
Surely there is the moving grid (6)；The housing (1) is equipped in the rotation is limited during the second lever (7) rotates
Mandrel (8) occur beat so as to fulfill limitation second lever (7) in rotation process occur beat with ensure the fixed grid (5) and
The anti-deflection mechanism of clearance constant between the moving grid (6).
4. lever meter according to claim 3, which is characterized in that the anti-deflection mechanism includes two stop screws
(10)；It corresponds to be equipped with above the Pivot axle (8) in the housing (1) and be pushed up for rotatably mounted Pivot axle (8)
The fixed plate (21) in portion, the bottom of the Pivot axle (8) are rotatably mounted on corresponding position on the housing (1)
Place；A wherein stop screw (10) is mounted in the housing (1) and corresponds to the lower section of the moving grid (6) and push up upwards
The firmly bottom of moving grid (6), another stop screw (10) are in the fixed plate (21) and downwardly against the level-one
The upper surface of lever (2).
5. lever meter according to claim 3, which is characterized in that the anti-deflection mechanism includes two limitation rotations
The deep groove ball bearing (11) of beat occurs in the horizontal direction with vertical direction for central shaft (8)；Two deep groove ball bearings (11)
In the housing (1) and the position of the corresponding Pivot axle (8) up and down, the top of the Pivot axle (8) and
Lower part is set on two deep groove ball bearings (11).
6. lever meter according to claim 3, which is characterized in that the anti-deflection mechanism includes two limitation rotations
The thrust ball bearing (12) of beat occurs in the horizontal direction with vertical direction for central shaft (8)；Two thrust ball bearings (12)
In the housing (1) and the position of the corresponding Pivot axle (8) up and down, the top of the Pivot axle (8) and
Lower part is set on two thrust ball bearings (12).
7. lever meter according to claim 3, which is characterized in that the anti-deflection mechanism includes two limitation rotations
The limit shaft (13) of beat occurs in the horizontal direction with vertical direction for central shaft (8)；It is corresponded in the housing (1) in the rotation
It is equipped with above mandrel (8) for the fixed plate (21) at the top of rotatably mounted Pivot axle (8), the Pivot axle (8)
Bottom be rotatably mounted on the housing (1) at corresponding position；Two limit shafts (13) are arranged in parallel in institute
State the upper-lower position in housing (1) and in the middle part of the corresponding second lever (7).
8. lever meter according to claim 3, which is characterized in that the anti-deflection mechanism be and the second lever (7)
The guide groove (14) of ends match；It is corresponded in the housing (1) and is equipped with rotatably to pacify above the Pivot axle (8)
The fixed plate (21) at the top of Pivot axle (8) is filled, the bottom of the Pivot axle (8) is rotatably mounted on the housing
(1) at corresponding position；The guide groove (14) is in the housing (1) position for corresponding to the second lever (7) end
Put place, the end of the second lever (7) is reached after reaching the outside of the moving grid (6) bottom in the guide groove (14).
9. according to claim 3 to 8 any one of them lever meter, which is characterized in that further include and identify the primary lever
(2) conducting wire (15) in the direction stirred to the second lever (7)；Pass through close to the bottom of the finger (9) of the moving grid (6) exhausted
Edge set (16) is erected on the second lever (7)；One end of the conducting wire (15) connects the fixed grid (5), and the other end connects
Connect the finger (9) of the nearly moving grid (5), and the fixed grid (5), the conducting wire (15), the finger close to the moving grid (5)
(9) and the primary lever (2) can form one in the case where primary lever (2) is to the stirring of second lever (7) different directions
The signal circuit being switched on or off；The microcontroller identifies the primary lever according to the conducting and disconnection of the signal circuit
(2) direction stirred to the second lever (7), and correct Pivot axle (2) both sides in the housing (1) axial direction
The manufacture of part or rigging error.
10. lever meter according to claim 2, which is characterized in that the measurement lever measures lever (2), institute for level-one
Moving grid (6) is stated to be fixed on the end of the level-one measurement lever (2)；The anti-deflection mechanism includes two stop screws
(10)；It corresponds to be equipped with above the Pivot axle (8) in the housing (1) and be pushed up for rotatably mounted Pivot axle (8)
The fixed plate (21) in portion, the bottom of the Pivot axle (8) are rotatably mounted on corresponding position on the housing (1)
Place；A wherein stop screw (10) is mounted in the housing (1) and corresponds to the lower section of the moving grid (6) and push up upwards
The firmly bottom of moving grid (6), another stop screw (10) are in the fixed plate (21) and downwardly against the level-one
The upper surface of lever (2).
11. lever meter according to claim 10, which is characterized in that further include and identify that the primary lever (2) is swung
Direction conducting wire (15)；The lower section that the primary lever (2) rear portion is corresponded in the housing (1) is rotatable by shaft (22)
Be equipped with support plate (20), correspond in the housing (1) to be equipped with above the shaft (22) and is used for rotatably mounted shaft (22)
The fixed plate (21) at top, the bottom of the shaft (22) are rotatably mounted on the housing (1) at corresponding position；Institute
It states and the axial both sides of its center of rotation are corresponded in support plate (20) is equipped with straight up by the primary lever (2) from different directions
The finger (9) stirred is erected at the support plate close to the bottom of the finger (9) of the moving grid (6) by insulation sleeve (16)
(20) on；
One end of the conducting wire (15) connects the fixed grid (5), and the other end connects the finger (9) close to the moving grid (6), and
And the fixed grid (5), the conducting wire (15), the finger (9) close to the moving grid and the primary lever (2) are in primary lever
(2) to a signal circuit being switched on or off can be formed under the stirring of support plate (20) different directions；The microcontroller
The direction of the primary lever (2) swing is identified according to the conducting of the signal circuit and disconnection, and is corrected in the housing (1)
Manufacture in primary lever (2) pivot both sides part or rigging error in axial direction.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711463825.7A CN108106508B (en) | 2017-12-28 | 2017-12-28 | Lever meter |
| US16/610,501 US11175121B2 (en) | 2017-12-28 | 2018-07-17 | Lever indicator |
| PCT/CN2018/095986 WO2019128199A1 (en) | 2017-12-28 | 2018-07-17 | Lever gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711463825.7A CN108106508B (en) | 2017-12-28 | 2017-12-28 | Lever meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108106508A true CN108106508A (en) | 2018-06-01 |
| CN108106508B CN108106508B (en) | 2023-11-10 |
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ID=62214322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711463825.7A Active CN108106508B (en) | 2017-12-28 | 2017-12-28 | Lever meter |
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| Country | Link |
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| CN (1) | CN108106508B (en) |
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| CN108592842A (en) * | 2018-08-06 | 2018-09-28 | 台州市诺伊曼科技有限公司 | a kind of micro-displacement sensor |
| WO2019128199A1 (en) * | 2017-12-28 | 2019-07-04 | 桂林市晶准测控技术有限公司 | Lever gauge |
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|---|---|
| CN108106508B (en) | 2023-11-10 |
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