CN110030906A - A kind of flat hole deflection angle measuring tool of crank - Google Patents
A kind of flat hole deflection angle measuring tool of crank Download PDFInfo
- Publication number
- CN110030906A CN110030906A CN201910269148.8A CN201910269148A CN110030906A CN 110030906 A CN110030906 A CN 110030906A CN 201910269148 A CN201910269148 A CN 201910269148A CN 110030906 A CN110030906 A CN 110030906A
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- Prior art keywords
- crank
- blade
- scale
- flat hole
- deflection angle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention discloses a kind of flat hole deflection angle measuring tools of crank, including blade, cotter pilotage axis, scale, main scale, slide sign block, positioning device and each part such as multiple circular hole hollow pins and flat hole hollow pin, wherein blade, cotter pilotage axis, scale, main scale and slide sign block form a right angled triangle.Apparatus of the present invention are by adjusting main scale and scale, and regulating positioning device is in the position of blade, so that the circular hole hollow pin in positioning device passes through the circular hole on crank, then the angle between scale and blade is the deflection angle for being equal to flat hole to be measured, reading shown on main scale is read, the deflection angle angle value in flat hole to be measured can be calculated according to specific trigonometric function relational expression；Meanwhile the distance for measuring cotter pilotage axis and positioning pin column be on the crank part flat hole and the center of circular hole away from.
Description
Technical field
The present invention relates to a kind of flat hole deflection angle positioning of crank and measurement tooling.
Background technique
Crank is mainly used for adjusting axial flow blower static blade angle in engineering and which is provided with one referring to Fig. 5, Fig. 6 and Fig. 7
A flat hole and a positioning round orifice；The sliding block pin shaft for passing through positioning round orifice on crank is additionally provided on crank part.Flat hole
Angle between the median plane of two side planes and flat hole and the center line of circular hole is flat hole angle of deflection；Various cranks have corresponding
The flat hole of size and positioning round orifice, and the deflection angle in flat hole is of different sizes.
When being measured in the prior art to flat hole deflection angle, three apparatus of coordinate detecting can only be used, but are fixed
The limitation of platform position and professional detection technique personnel operation, this method are not suitable for the job requirement that scene quick and precisely measures at any time.
Summary of the invention
For above-mentioned problems of the prior art or defect, the object of the present invention is to provide a kind of detection efficiencies
Height, the flat hole deflection angle measuring tool of the accurate crank of testing result.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of flat hole deflection angle measuring tool of crank, the measuring tool is for measuring crank or crank part to be measured
Flat hole deflection angle, including blade (1), scale (3) and main scale (4),
The blade (1), scale (3) and main scale (4) is movable assembles into a right angled triangle, and main scale
(4) vertical with blade (1)；
Be provided with crank installation part (2) on the scale (3), and the crank installation part (2) setting scale (3) with
At the point of contact of blade (1)；
Crank or crank part to be measured are mounted on crank installation part (2), and the length of the side plane in flat hole and scale (3)
It is consistent to spend direction, makes the side plane of crank or crank part to be measured and the length side of blade (1) by adjusting main scale (4) length
To consistent, then scale (3) and the deflection angle of blade (1) are the deflection angle in the flat hole on crank or crank part to be measured.
Further, initial angle is equipped between the blade (1) and scale (3), the main scale (4) is equipped with initial long
Degree, and sin (θ+α)=(X1+ C)/L=XθThe initial angle of/L, α between blade and scale, L are connection knot in both ends on scale
The distance length of dot center, C are initial length set on main scale, and θ is the deflection angle of scale and blade, X1To be deposited on main scale
Adjustment length, XθFor the corresponding length dimension of deflection angle theta shown on main scale.
Further, it is movably installed with positioning device (5) on the blade (1), positioning device (5) is arranged in scale (3)
Between main scale (4)；Positioning device (5) is used to determine the positioning round orifice or crank part top shoe pin shaft on crank to be measured
Position.
Specifically, the positioning device (5) includes sliding part (5-1), pin locating piece (5-2) and positioning pin column (5-3)；
The sliding part (5-1) is flexibly connected with the blade (1), and pin locating piece (5-2) is arranged in the top of sliding part (5-1)；
Adjust position of the sliding part (5-1) on blade (1) so that one end of the crank to be measured protrude into sliding part (5-1) and
Between pin locating piece (5-2), positioning pin column (5-3) sequentially passes through pin locating piece (5-2), song to be measured perpendicular to blade (1)
Circular hole and sliding part (5-1) on handle.
Specifically, the positioning device (5) includes sliding part (5-1) and locating piece (5-8), sliding part (5-1) with it is described
Blade (1) is flexibly connected, locating piece (5-8) setting in the top of sliding part (5-1), sliding part (5-1) and locating piece (5-8) it
Between distance can adjust；A U-shaped breach is provided on locating piece (5-8), the two side walls of U-shaped breach form two positioning
Pawl (5-8-1), the line of center and sliding part (5-1) between two locating detent (5-8-1) ends is perpendicular to the ruler
Body (1)；The position of sliding part (5-1) on blade (1) is adjusted, sliding block pin shaft (6) is made to be located at two locating detent (5-8-1) ends
Between center.
Specifically, the crank installation part (2) includes cotter pilotage axis (2-1), and cotter pilotage axis (2-1) is movably arranged at the ruler
On body (1)；The crank to be measured or crank part are sleeved on cotter pilotage axis (2-1) by flat hole.
Further, the measuring tool further includes multiple flat hole hollow pins (7), flat hole hollow pin (7) and the cotter pilotage axis (2-
1) it is used cooperatively.
Further, the crank installation part further includes pedestal (2-2), and the pedestal (2-2) is mounted on blade (1),
The cotter pilotage axis (2-1) is movably arranged on the pedestal (2-2)；The pedestal (2-2) can limit the edge cotter pilotage axis (2-1)
The displacement of its axis direction.
Further, it is movably set with slide sign block (8) on the blade (1), the main scale (4) and slide sign block (8) activity
Connection.
Compared with prior art, the present invention has following technical effect that
1, crank to be measured perhaps crank part crank to be measured or song are fixedly mounted on the crank installation part of apparatus of the present invention
The flat hole of shank part is sleeved on crank installation part, then the side plane in flat hole and the length direction of scale are consistent；Adjust main scale
Length keeps the side plane of crank or crank part to be measured consistent with the length direction of blade, then the angle of scale and blade is equal to
The deflection angle in the flat hole on crank or crank part to be measured.Reading shown on main scale is read, according to specific triangle letter
The deflection angle angle value in flat hole to be measured can be calculated in number relational expression.
2, positioning device is set, guarantees that the side plane of crank or crank part to be measured is consistent with the length direction of blade,
To guarantee the accuracy of flat hole deflection angle measurement.
3, U-shaped breach is set in positioning device, so that the device of the invention can be used for measuring the flat of the crank of crank part
The deflection angle in hole.
4, apparatus of the present invention further include the punching of round scriber sample so that the device of the invention can be applied to circular hole on crank plus
Work guarantees the accuracy of circular hole Working position.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the top view of cotter pilotage axis；
Fig. 3 is the cross-sectional view of cotter pilotage axis；
Fig. 4 is the structural schematic diagram of positioning device removal locating piece；
Fig. 5 is crank side view to be measured；
Fig. 6 is crank top view to be measured；
Fig. 7 is crank part structural schematic diagram；
Fig. 8 is flat hole hollow pin structural schematic diagram；
Fig. 9 is circular hole hollow pin structural schematic diagram；
Figure 10 is that round scriber sample rushes structural schematic diagram；
Figure label represents: 1-blade, 2-crank installation parts, 2-1-cotter pilotage axis, 2-1-3-column, 2-1-4-
Flat orifice, 2-1-7-annular groove, 2-1-8-fastening screw, 2-2-pedestal, 3-scales, 3-1-foot bar, 3-2-arc end
Portion, 4-main scales, 5-positioning devices, 5-1-sliding part, 5-1-1-sliding sleeve, 5-2-pin locating piece, 5-2-1-support plate,
The first pin hole of 5-3-positioning pin column, 5-4-vertical bar, 5-5-, the second pin hole of 5-6-, 5-7-locating piece, 5-8-positioning
Part, 5-8-1-locating detent, 5-8-2-positioning plate, 6-sliding block pin shafts, 7-flat hole hollow pins, 8-slide sign blocks, 9-circular hole hollow pins,
10-mounting rods, 11-round scriber sample punchings.
Explanation and illustration in further detail is made to the solution of the present invention with specific embodiment with reference to the accompanying drawing.
Specific embodiment
In compliance with the above technical solution, referring to Fig. 1, the flat hole deflection angle measuring tool of crank of the invention, the measuring tool
For measuring the deflection angle in the flat hole on crank or crank part to be measured, including blade 1, scale 3 and main scale 4, the ruler
Body 1, scale 3 and main scale 4 is movable assembles into a right angled triangle；Blade 1, scale 3 and the movable company of main scale 4
It connects and is assembled into a right angled triangle, and main scale 4 is vertical with blade 1；Crank installation part 2, and institute are provided on the scale 3
Crank installation part 2 is stated to be arranged at the point of contact of scale 3 and blade 1.
Crank or crank part to be measured are fixedly mounted on the crank installation part 2 of apparatus of the present invention, it is to be measured referring to Fig. 5-7
It is provided with flat hole and circular hole on crank, flat hole and sliding block pin shaft 6 are provided on crank part, is provided with sliding block on sliding block pin shaft 6；
Crank or crank part to be measured are sleeved on crank installation part 2 by flat hole thereon, then the side plane Yu scale 3 in flat hole
Length direction is consistent；The length for adjusting main scale 4 makes the side plane of crank or crank part to be measured and the length direction one of blade 1
It causes, then the angle of scale 3 and blade 1 is equal to the deflection angle in crank to be measured or the flat hole on crank part.Read institute on main scale 4
The deflection angle angle value α in flat hole to be measured can be calculated according to specific trigonometric function relational expression for the reading of display.
The measuring principle of apparatus of the present invention is: applying functional relation sin (α+θ)=(Xα+ C)/L, as sin θ=C/L
When, angle [alpha] and length XαWith one-to-one relationship, C and L is fixed length value at this time, and θ does not install crank to be measured or crank portion as
The initial angle determined when part, C are the initial reading on main scale, and L is the length of scale 3, XαTo install crank or crank to be measured
Reading after component on main scale 4；For the design feature of crank workpiece, the mathematical model of the specific function relational expression is established, just
It is able to achieve angle value and is converted to linear dimension and measure.
In order to fix the position of crank or crank part to be measured, it is movably installed with positioning device 5 on the blade 1, is determined
Position device 5 is arranged between scale 3 and main scale 4；The position that positioning device 5 is used to fix crank or crank part to be measured makes
The side plane of crank or crank part to be measured is consistent with the length direction of blade 1.
For fixing the structure of the positioning device 5 of the position of crank to be measured used by following introductions, positioning device 5 includes
Sliding part 5-1, pin locating piece 5-2 and positioning pin column 5-3, sliding part 5-1 are flexibly connected with the blade 1, pin locating piece
The top of sliding part 5-1 is arranged in 5-2；Position of the sliding part 5-1 on blade 1 is adjusted, so that one end of the crank to be measured
Protrude between sliding part 5-1 and pin locating piece 5-2, positioning pin column 5-3 perpendicular to blade 1 sequentially pass through pin locating piece 5-2,
Circular hole and sliding part 5-1 on crank to be measured.
The specific structure of positioning device 5 is as follows: referring to Fig. 5, the sliding part 5-1 includes sliding sleeve 5-1-1, sliding sleeve 5-1-1
It can be slided along blade 1, the pin locating piece 5-2 includes support plate 5-2-1, is installed above sliding sleeve 5-1-1 by vertical bar 5-4
Support plate 5-2-1, support plate 5-2-1 are arranged in parallel with sliding sleeve 5-1-1；By adjusting position of the sliding sleeve 5-1-1 on blade 1,
So that crank to be measured is arranged round-meshed one end and protrudes between support plate 5-2-1 and sliding sleeve 5-1-1；It is arranged on support plate 5-2-1
There is the first pin hole 5-5, the second pin hole 5-6 is provided on sliding sleeve 5-1-1, the lower end positioning pin column 5-3 successively passes vertically through
One pin hole 5-5, circular hole and the second pin hole 5-6 guarantee that the side of crank to be measured is flat to achieve the purpose that fixed crank to be measured
Face is consistent with the length direction of blade, i.e., contacting for flat hole and circular hole is reversely consistent with the length of blade 1.
Because there are plurality of specifications for the circular hole on crank, referring to Fig. 9, therefore the device of the invention further includes multiple and different specifications
Circular hole hollow pin 9, circular hole hollow pin 9 is used cooperatively with positioning pin column 5-3, and 9 sets of circular hole hollow pin on positioning pin column 5-3, are worked as positioning
After the lower end pin 5-3 successively passes vertically through the first pin hole 5-5, the circular hole on crank and the second pin hole 5-6, in order to further
Ground accurately determines the position of circular hole, makes to cover the circular hole from top to bottom passed through in the circular hole hollow pin 9 on positioning pin column 5-3 on crank,
It can guarantee that circular hole and the first pin hole 5-5, the second pin hole 5-6 three center are located along the same line, and guarantee crank at this time
Flat hole and circular hole line and blade 1 it is consistent, to guarantee the accurate of the measurement result of flat hole deflection angle.
Deflection angle of the device of the invention in addition to that can measure the flat hole on crank parts, can also measure crank part
On flat hole deflection angle, when being equipped with sliding block by the sliding block pin shaft 6 that is vertically arranged above the circular hole of crank, crank is just
Become a component, in order in the case where not dismantling sliding block, measure the deflection angle in flat hole, then positioning device 5 is further
Ground is set as following form, referring to fig. 4 with 7；The positioning device 5 is used for the position of fixed crank component, the positioning device 5
Including sliding part 5-1 and locating piece 5-8, sliding part 5-1 is flexibly connected with the blade 1, and locating piece 5-8 is arranged in sliding part 5-
1 top, the distance between sliding part 5-1 and locating piece 5-8 can be adjusted；A U-shaped breach, U are provided on locating piece 5-8
The two side walls of v notch v form two locating detent 5-8-1, center and sliding part between two ends locating detent 5-8-1
The line of 5-1 is perpendicular to the blade 1；Position of the sliding part 5-1 on blade 1 is adjusted, sliding block pin shaft 6 is made to be located at two positioning
Center between the end pawl 5-8-1.
The specific structure of positioning device 5 is as follows, and the sliding part 5-1 includes sliding sleeve 5-1-1, and locating piece 5-8 includes positioning
Plate 5-8-1, is provided with vertical bar 5-4 between positioning plate 5-8-1 and sliding sleeve 5-1-1, positioning plate 5-8-1 can be slided along vertical bar 5-4；
A U-shaped breach is provided on positioning plate 5-8-1, the two side walls of U-shaped breach are two locating detent 5-8-1, U-shaped
It has been removably installed locating piece 5-7 in notch, the first pin hole 5-5 is provided on locating piece 5-7.Locating piece 5-7 passes through spiral shell
Nail is mounted on the side side wall of U-shaped breach, is provided with mounting hole on support plate 5-2-1, is sleeved on vertical bar 5-4, and pass through
Screw fastening.
When needing to measure the deflection angle in the flat hole on crank part, screw is unscrewed, locating piece 5-7 is dismantled, will position
Plate 5-8-1 is moved to the suitable position on vertical bar 5-4；Position of the sliding sleeve 5-1-1 on blade 1 is adjusted, so that 2 locating detent 5-
8-1 protrudes into the lower section of the sliding block of the crank part, and is located at the two sides of the sliding block pin shaft 6；Assuming that two locating detents
The distance between 5-8-1 is d1, and the length of locating detent 5-8-1 is d2, and the radius of sliding block pin shaft 6 is d3, then sliding block pin shaft 6 with
First gauge block is set between the bottom wall of U-shaped breach, with a thickness of d2-2d3, between sliding block pin shaft 6 and a locating detent 5-8-1
Second gauge block is set, with a thickness of d1/2-d3；Above-mentioned design guarantees that the line of sliding block pin shaft 6 and flat hole and blade 1 are consistent, from
And accurately measure the deflection angle in the flat hole on crank part.Meanwhile measuring the distance of cotter pilotage axis 2-1 and sliding block pin shaft 6
Obtain on the crank part flat hole and the center of circular hole away from.
Following specific structures for introducing crank installation part 2: referring to fig. 2 to 3, the crank installation part 2 includes cotter pilotage axis 2-
1, cotter pilotage axis 2-1 are flexibly connected with the blade 1；The crank to be measured or crank part are sleeved on cotter pilotage axis 2- by flat hole
On 1.The specific structure of cotter pilotage axis 2-1 is as follows: cotter pilotage axis 2-1 includes column 2-1-3, fixed flat hole above column 2-1-3
Part 2-1-4, flat orifice 2-1-4 are the shape column identical with the shape in the flat hole of crank of cross section, the side wall of flat orifice 2-1-4
Including the first curved wall a, the second curved wall b, the first flat sidewall c and the second flat sidewall d, and the first flat sidewall c
It is arranged in parallel with the second flat sidewall d；Column 2-1-3 is mounted on the blade 1, and column 2-1-3 can be relative to ruler
Body 1 rotates.
The device of the invention when in use, using the second flat sidewall d of cotter pilotage axis 2-1 as benchmark face, because the present invention it is to be measured
The size in the flat hole of amount is in the actual processing process it is possible that error, is mounted on cotter pilotage axis 2-1 to guarantee to work as crank
Afterwards, the side plane in flat hole can be in close contact with the datum level d, it is ensured that the side plane in flat hole can be with cotter pilotage axis or flat hole hollow pin
Side plane fit closely, guarantee measurement flat hole deflection angle it is more accurate, on cotter pilotage axis 2-1 be arranged expansion core structure, tool
Body structure is as follows:
When in use, referring to Fig. 8, crank to be measured is covered on flat orifice 2-1-4 by flat hole for the device of the invention；Because of song
There are multiple specifications in flat hole on handle, in order to enable the device of the invention is suitable for measuring the flat hole deflection angle of different size, this
The device of invention further includes the flat hole hollow pin 7 of multiple and different specifications, and flat hole hollow pin 7 can cooperate with cotter pilotage axis 2-1 and make
With, when flat hole cross-sectional area to be measured be greater than cotter pilotage axis 2-1 cross-sectional area when, first will be matched flat with flat hole specification to be measured
7 sets of hole hollow pin are mounted on flat hole hollow pin 7 on cotter pilotage axis 2-1, then by crank to be measured.
For the ease of carrying multiple flat hole hollow pins 7 of different size, a mounting rod 10 is installed on blade 1, it can will be more
A 7 sets of flat hole hollow pin on mounting rod 10, consequently facilitating taking.
In order to limit cotter pilotage axis 2-1 along the displacement of its axis direction, the crank installation part further includes pedestal 2-2, pedestal
2-2 and the blade 1 are connected, and the cotter pilotage axis 2-1 is flexibly connected with pedestal 2-2.
Cotter pilotage axis 2-1 is detached from the pedestal 2-2 in order to prevent, is provided with a ring on the side wall of the column 2-1-3
Shape slot 2-1-7, a fastening screw 2-1-8 is provided on the side wall of the pedestal 2-2, and fastening screw 2-1-8 passes through pedestal 2-2
Side wall protrudes into annular groove 2-1-7, to limit the displacement of column 2-1-3, avoids column 2-1-3 relative on pedestal 2-2
Lower movement brings error to the measurement of flat hole deflection angle；And because fastening screw 2-1-8 is only to protrude into annular groove 2-1-7,
Not in contact with column 2-1-3, therefore column 2-1-3 can't be interfered to rotate relative to pedestal 2-2.
The connection structure of main scale 4 and blade 1 introduced below: slide sign block 8, the main scale 4 are movably set on the blade 1
It is flexibly connected with slide sign block 8.Graduation mark is provided on main scale 4, slide sign block 8 is provided with graduation mark in the notch cooperated with main scale 4,
As complementary scale.Reading on main scale 4 and slide sign block 8 can simply be read.
The scale 3 includes foot bar 3-1, scale 3 and blade 1 when in order to guarantee not install crank or crank part to be measured
In parallel, easy to carry, curved end 3-2 is arranged in one end of foot bar 3-1, and curved end 3-2 is sleeved on cotter pilotage axis 2-1；Foot bar
The length direction of 3-1 is parallel with the second flat sidewall d of the flat orifice 2-1-4.
In addition, the device of the invention applies also for the processing of circular hole on crank referring to Figure 10, crank to be processed is pacified
On cotter pilotage axis 2-1, according to the deflection angle in pre-determined flat hole, position of the main scale 4 on blade 1 is adjusted；According to institute
The pitch-row requirement in the flat hole and circular hole that need, is moved to suitable position on blade 1 for positioning device 5, by determining in positioning device 5
Round 11 replacement of scriber sample punching of position pin 5-3, makes round scriber sample rush 11 ends and passes through the first pin hole 5-5, and contact song
Handle, to leave mark point on crank, mark point is the central point of circular hole to be processed.
It is the specific embodiment that inventor provides below, to be further explained explanation to technical solution of the present invention.
Embodiment 1: for measuring deflection angle of the flat hole of crank relative to flat hole and the center line of circular hole
Referring to Fig. 1, Fig. 5 and Fig. 6, apparatus of the present invention in this embodiment, be according to hole flat on tested crank and circular hole
Size selects corresponding flat hole hollow pin 7 and circular hole hollow pin 9 respectively, and joins with cotter pilotage axis 2-1 and positioning pin column 5-3 cooperation suit
It connects.First the flat hole of tested crank is inserted on flat hole hollow pin 7, then slide-positioning device 5 makes the circular hole hollow pin on positioning pin column 5-3
9 can pass through the circular hole on crank to be measured, and positioning device 5 is fastened on blade 1；At this time, it may be necessary to slowly adjustment main scale 4 with
Slide sign block 8 arrives appropriate location, when circular hole hollow pin 9 can pass through the circular hole on crank to be measured, slide sign block 8 is made to be close to and fix
In blade 1, then after locking main scale 4, so that it may read the position data shown on main scale 4 of slide sign block 8；Using specific function
The actual deflection angle in flat hole can be calculated in relational expression；Meanwhile the distance for measuring cotter pilotage axis 2-1 and positioning pin column 5-3 is
Be on the tested crank flat hole and the center of circular hole away from.
Embodiment 2: apparatus of the present invention can also be used to mark the position of circular hole to be processed on determining crank
The crank of circular hole to be processed is mounted on cotter pilotage axis 2-1 or flat hole hollow pin 7, is first wanted according to flat hole deflection angle
It asks, adjusts the location of reading of main scale 4；Further according to the requirement of the pitch-row in circular hole and flat hole, positioning device 5 is fixed to blade 1 really
Positioning is set, at this moment with round 11 replacement positioning pin column 5-3 of scriber sample punching, so that it may marked in circular hole to be processed on crank
Heart position.
Embodiment 3: apparatus of the present invention can also be used in the deflection angle for measuring flat hole on crank part
With reference to Fig. 7, after the circular hole over-assemble sliding block pin shaft 6 of crank, crank just becomes a component；Do not dismantling cunning
When measuring the deflection angle in flat hole in the case where block pin shaft 6, it is necessary first to which the locating piece 5-7 for removing positioning device 5 will occur one
A U-shaped breach will first adjust according to the sliding block pin shaft 6 on tested crank in this way and fasten positioning plate 5-8-1 on vertical bar 5-4
Appropriate location is placed in sliding block pin shaft 6 in the U-shaped breach；Then it further according to the outer diameter of sliding block pin shaft 6, selects appropriate
The medial surface that gauge block is close to U-shaped breach just can determine that sliding block pin shaft 6 and the position of original-pack straight pin positioning pin column 5-3 are overlapped one
It causes.At this moment the angle that scale 3 and blade 1 are formed is the deflection angle in flat hole to be determined.Certainly, flat hole and sliding block on crank part
The center of pin shaft 6 is away from also can Accurate Determining.
Claims (9)
1. a kind of flat hole deflection angle measuring tool of crank, the measuring tool is for measuring on crank or crank part to be measured
The deflection angle in flat hole, including blade (1), scale (3) and main scale (4), which is characterized in that
The blade (1), scale (3) and main scale (4) is movable assembles into a right angled triangle, and main scale (4) with
Blade (1) is vertical；
It is provided with crank installation part (2) on the scale (3), and the crank installation part (2) is arranged in scale (3) and blade
(1) at point of contact；
Crank or crank part to be measured are mounted on crank installation part (2), and the length side of the side plane in flat hole and scale (3)
To consistent；Make the side plane of crank or crank part to be measured and the length direction one of blade (1) by adjusting main scale (4) length
It causes, then scale (3) and the deflection angle of blade (1) adjustment are the deflection angle in flat hole on crank or crank part to be measured.
2. the flat hole deflection angle measuring tool of crank as described in claim 1, which is characterized in that the blade (1) and scale
(3) initial angle is equipped between, the main scale (4) is equipped with initial length, and sin θ=sin (θ 1+ α)=(X1+C α)/L
The initial angle of=C1/L, α between blade and scale, L is the distance length at both ends link node center on scale, based on C α
Set initial length on ruler, θ 1 are the deflection angle of scale and blade, and X1 is the adjustment length on main scale.
3. the flat hole deflection angle measuring tool of crank as described in claim 1, which is characterized in that movable on the blade (1)
It is equipped with positioning device (5), positioning device (5) is arranged between scale (3) and main scale (4)；Positioning device (5) for determine to
The position of positioning round orifice on crank perhaps crank part top shoe pin shaft is surveyed so that the side of crank to be measured or crank part is flat
Face is consistent with the length direction of blade (1).
4. the flat hole deflection angle measuring tool of crank as claimed in claim 3, which is characterized in that positioning device (5) packet
Include sliding part (5-1), pin locating piece (5-2) and positioning pin column (5-3)；The sliding part (5-1) and the blade (1) activity
Connection, pin locating piece (5-2) are arranged in the top of sliding part (5-1)；The sliding part (5-1) is adjusted on blade (1)
Position, so that one end of the crank to be measured is protruded between sliding part (5-1) and pin locating piece (5-2), positioning pin column (5-3)
Pin locating piece (5-2), circular hole and sliding part (5-1) on crank to be measured are sequentially passed through perpendicular to blade (1).
5. the flat hole deflection angle measuring tool of crank as claimed in claim 3, which is characterized in that positioning device (5) packet
Sliding part (5-1) and locating piece (5-8) are included, sliding part (5-1) is flexibly connected with the blade (1), and locating piece (5-8) setting exists
The top of sliding part (5-1), the distance between sliding part (5-1) and locating piece (5-8) can be adjusted；It is set on locating piece (5-8)
It is equipped with a U-shaped breach, the two side walls of U-shaped breach form two locating detents (5-8-1), two locating detent (5-8-1) ends
Between center and sliding part (5-1) line perpendicular to the blade (1)；Sliding part (5-1) is adjusted on blade (1)
Position, so that sliding block pin shaft (6) is located at center between two locating detent (5-8-1) ends.
6. the flat hole deflection angle measuring tool of crank as described in claim 1, which is characterized in that the crank installation part (2)
Including cotter pilotage axis (2-1), cotter pilotage axis (2-1) is movably arranged on the blade (1)；The crank to be measured or crank part
By flat hole hollow pin (7) transition on cotter pilotage axis (2-1).
7. the flat hole deflection angle measuring tool of crank as claimed in claim 6, which is characterized in that the measuring tool further includes
Multiple flat hole hollow pins (7), flat hole hollow pin (7) are used cooperatively with the cotter pilotage axis (2-1).
8. the flat hole deflection angle measuring tool of crank as claimed in claim 6, which is characterized in that the crank installation part also wraps
It includes pedestal (2-2), the pedestal (2-2) is mounted on blade (1), and the cotter pilotage axis (2-1) is movably arranged at the pedestal
On (2-2)；The pedestal (2-2) can limit cotter pilotage axis (2-1) along the displacement of its axis direction.
9. the flat hole deflection angle measuring tool of crank as described in claim 1, which is characterized in that movable on the blade (1)
It is provided with slide sign block (8), the main scale (4) is flexibly connected with slide sign block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910269148.8A CN110030906B (en) | 2019-04-04 | 2019-04-04 | Crank flat hole deflection angle measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910269148.8A CN110030906B (en) | 2019-04-04 | 2019-04-04 | Crank flat hole deflection angle measuring tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110030906A true CN110030906A (en) | 2019-07-19 |
| CN110030906B CN110030906B (en) | 2021-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910269148.8A Active CN110030906B (en) | 2019-04-04 | 2019-04-04 | Crank flat hole deflection angle measuring tool |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4473950A (en) * | 1983-02-18 | 1984-10-02 | The Indikon Company | Crankshaft alignment tool |
| EP1098621A1 (en) * | 1998-07-23 | 2001-05-16 | John H. Saringer | Mechanism for generating wave motion |
| CN202903109U (en) * | 2012-11-02 | 2013-04-24 | 西安陕鼓动力股份有限公司 | Space angle measuring tool |
| CN203116681U (en) * | 2013-03-01 | 2013-08-07 | 重庆歇马机械曲轴有限公司 | Detecting tool of crank pin inclined oil hole deflection angle |
| US20130206192A1 (en) * | 2012-02-10 | 2013-08-15 | Joen_Shen Ma | Short force arm deflection device |
| CN203687848U (en) * | 2013-10-29 | 2014-07-02 | 西安陕鼓动力股份有限公司 | Deflection angle measuring tool of flat hole |
-
2019
- 2019-04-04 CN CN201910269148.8A patent/CN110030906B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4473950A (en) * | 1983-02-18 | 1984-10-02 | The Indikon Company | Crankshaft alignment tool |
| EP1098621A1 (en) * | 1998-07-23 | 2001-05-16 | John H. Saringer | Mechanism for generating wave motion |
| US20130206192A1 (en) * | 2012-02-10 | 2013-08-15 | Joen_Shen Ma | Short force arm deflection device |
| CN202903109U (en) * | 2012-11-02 | 2013-04-24 | 西安陕鼓动力股份有限公司 | Space angle measuring tool |
| CN203116681U (en) * | 2013-03-01 | 2013-08-07 | 重庆歇马机械曲轴有限公司 | Detecting tool of crank pin inclined oil hole deflection angle |
| CN203687848U (en) * | 2013-10-29 | 2014-07-02 | 西安陕鼓动力股份有限公司 | Deflection angle measuring tool of flat hole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110030906B (en) | 2021-10-19 |
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