CN108151623A - A kind of measurement tooling and measuring method - Google Patents
A kind of measurement tooling and measuring method Download PDFInfo
- Publication number
- CN108151623A CN108151623A CN201710985770.XA CN201710985770A CN108151623A CN 108151623 A CN108151623 A CN 108151623A CN 201710985770 A CN201710985770 A CN 201710985770A CN 108151623 A CN108151623 A CN 108151623A
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- Prior art keywords
- tooth
- measurement
- measured
- rack
- points
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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
Abstract
The invention discloses a kind of measurement tooling and measuring methods.The measurement tooling includes：First tooth pitch plate and the second tooth pitch plate, first tooth pitch plate includes the first measurement portion and the first connecting portion of strip, the base of first measurement portion is configured as the first face with the first tooth of rack to be measured, and the angle of first measurement portion and the first connecting portion is equal to the theoretical pressure angle of twice of rack to be measured, the second tooth pitch plate includes the second measurement portion and the second connecting portion of strip, second measurement portion is arranged in parallel with first measurement portion, the base of second measurement portion is configured as positioned opposite with first flank of tooth of the second tooth of the rack to be measured, the angle of second measurement portion and the second connecting portion is equal to the theoretical pressure angle, the first connecting portion is flexibly connected with the second connecting portion along the length direction of the first connecting portion.The pressure angular displacement of rack to be measured can be obtained using the measurement tooling.
Description
Technical field
The present invention relates to rack fields of measurement, more particularly to a kind of measurement tooling and measuring method.
Background technology
Offshore and gas development shows more and more great strategic importance, to meet the needs of offshore and gas development, squeezes into
International sea work EQUIPMENT MARKET GUIDE, domestic many enterprises are researched and developed one after another, try hard to develop the gear teeth with independent intellectual property right
Item lifts and fastening system.One of core technology of jacking system is the design and making of large module gear rack.
The major criterion of pressure angle always measurement rack, no more than 10 ° of the deviation of usual pressure angle, however in reality
In production, the prior art cannot be measured for pressure angle, and the deviation for being all operating personnel by virtue of experience estimated pressure angle is
It is no to meet the requirements.
Invention content
In order to solve the problems, such as that pressure angle is immeasurable in the prior art, an embodiment of the present invention provides a kind of measurement toolings
And measuring method.The technical solution is as follows：
On the one hand, the present invention provides a kind of measurement tooling, the measurement tooling includes：First tooth pitch plate and the second tooth pitch
Plate, the first tooth pitch plate include the first connecting portion of the first measurement portion and strip, the base of first measurement portion by with
It is set to the first face with the first tooth of rack to be measured, and first measurement portion and the angle of the first connecting portion etc.
In the theoretical pressure angle of twice of rack to be measured, the second tooth pitch plate includes the second connection of the second measurement portion and strip
Portion, second measurement portion and first measurement portion are arranged in parallel, the base of second measurement portion be configured as with it is described
First flank of tooth of the second tooth of rack to be measured is positioned opposite, and the angle of second measurement portion and the second connecting portion is equal to institute
Theoretical pressure angle is stated, the first connecting portion connects with the second connecting portion along the length direction activity of the first connecting portion
It connects.
Specifically, the measurement tooling further includes the screw bolt and nut of mutual cooperation, is offered in the first connecting portion
First connecting hole, the second connecting hole is offered in the second connecting portion, and the bolt is slideably positioned in described first and connects respectively
It connects in hole and second connecting hole, and the first connecting portion and the second connecting portion is fixed on one by the nut
It rises.
Further, first connecting hole is two, and two first connecting holes are arranged side by side, second connection
Hole is two, and two second connecting holes correspond to two the first connecting hole arrangements, and the bolt is two, described in two
Bolt is arranged in corresponding first connecting hole and second connecting hole.
Further, first connecting hole and second connecting hole are oval type hole.
Specifically, it is provided with handle in the first connecting portion.
Specifically, the measurement tooling further includes the base for measuring second measurement portion and the rack to be measured
The clearance ruler of the distance of first flank of tooth of the second tooth.
Specifically, first measurement portion is strip, and the structure of first measurement portion and second measurement portion
It is identical.
On the other hand, an embodiment of the present invention provides a kind of measuring method using above-mentioned measurement tooling, the methods
Including：The pressure angular displacement of rack to be measured is measured, including：
In the first ratcheting face of flank of tooth upper edge of second tooth A points, B points and C points are drawn respectively, and A points are close to tooth root cloth
It puts, C points are arranged close to tooth top, midpoint of the B points for A points and C points；
By the first face of the base of first measurement portion and the first tooth of the rack to be measured, by described second
The base of measurement portion and first flank of tooth of the second tooth of the rack to be measured are positioned opposite；
The base of second measurement portion is measured to the clearance distance X1 of A points, second measurement portion by clearance ruler
Base to B points clearance distance X2 and second measurement portion base to C points clearance distance X3；
If | X1-X2 |≤Y, | X1-X3 |≤Y, | X2-X3 |≤Y, then the pressure angular displacement of the rack to be measured conform to
It asks, wherein, Y=(distance of the distance-C points of the tooth height-A points of rack to be measured to tooth root to tooth top)/cos α/sin ((180 °-most
Large pressure angle misalignment angle)/2), and α is theoretical pressure angle.
Specifically, the method further includes：The circular pitch deviation of the rack to be measured is measured, including：If X1/cos α≤theory
Maximum circular pitch deviation, X2/cos α≤theoretical maximum circular pitch deviation, X3/cos α≤theoretical maximum circular pitch deviation, the then tooth to be measured
The circular pitch deviation of item meets the requirements.
Specifically, modulus of the distance of tooth root of the A points apart from the rack to be measured for 0.15 times of the rack to be measured, C
The modulus for the rack to be measured that the distance of tooth top of the point apart from the rack to be measured is 0.15 times.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：Measurement work provided in an embodiment of the present invention
Dress, can rapidly and accurately measure the numerical value of X1, X2 and X3 of rack, pass through the formula Y=(tooth height-A points of rack to be measured to tooth
Distance-C the points of root are to the distance of tooth top)/cos α/sin ((180 °-maximum pressure angle misalignment angle)/2), and α is theoretical pressure
Whether the pressure angular displacement that angle directly calculates rack to be measured meets the requirements, and high by the measurement efficiency of the tooling, simplifies
Measurement process.
Measuring method provided in an embodiment of the present invention can rapidly and accurately measure pressure angular displacement by measuring tooling,
The problem of may influencing rack and pinion engagement is directly found out, and measurement efficiency is high, simplifies measurement process,
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structure diagram for the first tooth pitch plate that the embodiment of the present invention one provides；
Fig. 2 is the structure diagram for the second tooth pitch plate that the embodiment of the present invention one provides；
Fig. 3 is the structure diagram for the measurement tooling that the embodiment of the present invention one provides；
Fig. 4 is the use state diagram for the clearance ruler that the embodiment of the present invention one provides
Fig. 5 is the flow chart of measuring method provided by Embodiment 2 of the present invention；
Fig. 6 is the usage state diagram provided by Embodiment 2 of the present invention for measuring tooling.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment one
An embodiment of the present invention provides a kind of measurement tooling, which is suitable for measuring the large modulus on spud leg rack
The large modulus tooth for closing up Kou Chu (at docking) of tooth, particularly spud leg rack, large modulus tooth refer to that modulus is the tooth on 70, lead to
Often, spud leg rack includes double rack and the rack string pipe being welded on double rack, as shown in Figure 1 to Figure 3, the measurement tooling
Including：First tooth pitch plate 1 (see Fig. 1) and the second tooth pitch plate 2 (see Fig. 2), the first tooth pitch plate 1 include the first measurement portion 1a and strip
The base 101a of the first connecting portion 1b, the first measurement portion 1a of shape are configured as first flank of tooth with the first tooth a1 of rack to be measured
A11 is contacted, and the theoretical pressure angle of to be measured rack of the angle theta 1 of the first measurement portion 1a and first connecting portion 1b equal to twice, the
Two tooth pitch plates 2 include the second connecting portion 2b of the second measurement portion 2a and strip, and the second measurement portion 2a is put down with the first measurement portion 1a
Row arrangement, the base 201a of the second measurement portion 2a are configured as cloth opposite with the first flank of tooth a22 of the second tooth a2 of rack to be measured
It puts, the angle theta 2 of the second measurement portion 2a and second connecting portion 2b is equal to theoretical pressure angle, first connecting portion 1b and second connecting portion
2b is flexibly connected.
Specifically, which can also include the bolt 3 to cooperate and nut (not shown), first connecting portion
The first connecting hole 101b is offered on 1b, the second connecting hole 201b is offered on second connecting portion 2b, the screw rod of bolt 3 is slided respectively
It is dynamic to be set in the first connecting hole 101b and the second connecting hole 201b, and pass through nut by first connecting portion 1b and second connecting portion
2b is fixed together.Bolt 3 and nut can with the connection of simple realization first connecting portion 1b and second connecting portion 2b, meanwhile, spiral shell
Bolt 3 and nut are of low cost, can reduce the manufacture cost for measuring tooling.
Further, the first connecting hole 101b can be two, and two the first connecting hole 101b are arranged side by side, the second connection
Hole 201b is two, and two the second connecting hole 201b correspond to two the first connecting hole 101b arrangements, and bolt 3 is two, two spiral shells
Bolt 3 is arranged in corresponding first connecting hole 101b and the second connecting hole.1 He of the first tooth pitch plate can be increased by being arranged so
The stability of second tooth pitch plate 2 connection.
Further, the first connecting hole 101b and the second connecting hole 201b is oval type hole.And the first connecting hole 101b
It is consistent with the length direction of rack to be measured with the length direction of the second connecting hole 201b.Bolt 3 can connect in the first of oval type
It connects in hole 101b and the second connecting hole 201b and moves, so as to change the first measurement portion 1a and the second measurement portion in the measurement tooling
The distance of 2a, and then the measurement tooling can be suitable for the tooth of more specifications.
Specifically, handle 4 can be provided on first connecting portion 1b.Handle 4 can hold measuring device convenient for user
It measures.
Specifically, Fig. 4 is the structure diagram of clearance ruler provided in an embodiment of the present invention.As shown in figure 4, the measurement tooling
Can also include for measure the second measurement portion 2a base 201a and rack to be measured the second tooth a2 the first flank of tooth a22 away from
From clearance ruler 5.The first tooth of the base 201a of the second measurement portion 2a and the second tooth a2 of rack to be measured are measured by clearance ruler 5
The clearance distance of face a22 can not only realize accurate measurement, and the cost of clearance ruler 5 is relatively low, can reduce and measure tooling
Manufacture cost.In the present embodiment, the first tooth a1 and the second tooth a2 can be two adjacent teeth, or spaced apart
Two teeth, in the present embodiment, the first tooth a1 and the second tooth a2 are two adjacent teeth.
Specifically, the first measurement portion 1a can be strip, and the structure phase of the first measurement portion 1a and the second measurement portion 2a
Together.The measurement tooling can successfully be extend into the tooth socket of rack to be measured by string configuration convenient for user.
Measurement tooling provided in an embodiment of the present invention can rapidly and accurately measure the numerical value of X1, X2 and X3 of rack, lead to
Cross ((180 °-maximum of formula Y=(distance of the distance-C points of the tooth height-A points of rack to be measured to tooth root to tooth top)/cos α/sin
Pressure angle misalignment angle)/2), and α is whether theoretical pressure angle directly calculates the pressure angular displacement of rack to be measured and meet the requirements,
And it is high by the measurement efficiency of the tooling, simplify measurement process.
Embodiment two
An embodiment of the present invention provides a kind of measurement tooling measuring method provided using embodiment one, with reference to Fig. 5 and Fig. 6
Shown, this method includes measuring the pressure angular displacement of rack to be measured, including：
Step 1：In the first ratcheting face of flank of tooth a22 upper edges of the second tooth a2 A points, B points and C points are drawn respectively, and A points are close
Tooth root arranges that C points are arranged close to tooth top, midpoint of the B points for A points and C points；
Step 2：The base 101a of first measurement portion 1a is contacted with the first flank of tooth a11 of the first tooth a1 of rack to be measured,
The base 201a of the second measurement portion 2a is made to correspond at the first flank of tooth a22 of the second tooth a2 for being arranged in rack to be measured；
Step 3：Measured respectively by clearance ruler 5 base 201a to the A points of second measurement portion 2a clearance distance X1, second
The clearance distance X3 of base 201a to the C points of the clearance distance X2 and the second measurement portion 2a of base 201a to the B points of measurement portion 2a.
Step 4：If | X1-X2 |≤Y, | X1-X3 |≤Y, | X2-X3 |≤Y, then the pressure angular displacement of rack to be measured conform to
It asks, wherein, Y=(distance of the distance-C points of the tooth height-A points of rack to be measured to tooth root to tooth top)/cos α/sin ((180 °-most
Large pressure angle misalignment angle)/2), and α is theoretical pressure angle.In general, maximum pressure angle misalignment angle is 10 °.
In the present embodiment, tooth height can be 2m, and the distance of A points to tooth top is 0.3m, and the distance of C point to tooth root is
0.3m。
Specifically, this method can also include：The circular pitch deviation of rack to be measured is measured, including：
If X1/cos α≤theoretical maximum circular pitch deviation, X2/cos α≤theoretical maximum circular pitch deviation, X3/cos α≤theory is most
Big circular pitch deviation, then the circular pitch deviation of rack to be measured meet the requirements.By taking the large modulus tooth of 72 moduluses to 103 moduluses as an example, pass through
Empirically determined theoretical maximum circular pitch deviation Δ PmaxControl is needed in 2mm, if X1/cos α, X2/cos α and X3/cos α are respectively less than
2mm, then rack to be measured is qualified.To producing upper underproof tooth pitch, the flank of tooth (tooth for the rack to be measured that can be polished with field worker master worker
Away from less than normal) or rack to be measured the built-up welding flank of tooth (tooth pitch is bigger than normal) come balanced each rack to be measured between cog tooth pitch.It polishes simultaneously
In the process, master worker can be detected using measurement tooling provided in an embodiment of the present invention in real time, to polish more
Good rack.
Further, modulus of the distance of tooth root of the A points apart from rack to be measured for 0.15 times of rack to be measured, C point distances
The distance of the tooth top of rack to be measured is the modulus of 0.15 times of rack to be measured.The circle at tooth top need to be avoided when actually choosing A points
Arc need to avoid the circular arc at tooth root when actually choosing C points.
Measuring method provided in an embodiment of the present invention can rapidly and accurately measure pressure angular displacement by measuring tooling,
The problem of may influencing rack and pinion engagement is directly found out, and measurement efficiency is high, simplifies measurement process, meanwhile, utilize survey
The second measurement portion of tooling is measured as measuring basis, first flank of tooth of the second measurement portion and the second tooth can be measured by the benchmark
Gap, and then obtain the tooth pitch of rack to be measured, can prevent master worker from drawing rack in welding using the measurement tooling
It stretches or torsional deformation, particularly closes up the rack at mouth.
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 modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of measurement tooling, which is characterized in that the measurement tooling includes：First tooth pitch plate and the second tooth pitch plate, described
One tooth pitch plate includes the first connecting portion of the first measurement portion and strip, the base of first measurement portion be configured as with it is to be measured
First face of the first tooth of rack, and the angle of first measurement portion and the first connecting portion is treated equal to twice
The theoretical pressure angle of rack is surveyed,
The second tooth pitch plate includes the second measurement portion and the second connecting portion of strip, second measurement portion and described first
Measurement portion is arranged in parallel, and the base of second measurement portion is configured as the first flank of tooth phase with the second tooth of the rack to be measured
To arrangement, the angle of second measurement portion and the second connecting portion is equal to the theoretical pressure angle, the first connecting portion
It is flexibly connected with the second connecting portion along the length direction of the first connecting portion.
2. measurement tooling according to claim 1, which is characterized in that the bolt for measuring tooling and further including mutual cooperation
And nut, the first connecting hole is offered in the first connecting portion, and the second connecting hole is offered in the second connecting portion, it is described
Bolt is slideably positioned in respectively in first connecting hole and second connecting hole, and is passed through the nut and connected described first
Socket part and the second connecting portion are fixed together.
3. measurement tooling according to claim 2, which is characterized in that first connecting hole is two, two described the
One connecting hole is arranged side by side, and second connecting hole is two, and two second connecting holes correspond to two first connections
Hole arranges that the bolt is two, and two bolts are arranged in corresponding first connecting hole and described second and connect
It connects in hole.
4. measurement tooling according to claim 2, which is characterized in that first connecting hole and second connecting hole are equal
For oval type hole.
5. measurement tooling according to claim 1, which is characterized in that be provided with handle in the first connecting portion.
6. measurement tooling according to claim 1, which is characterized in that the measurement tooling further includes to measure described the
The base of two measurement portions and the clearance ruler of the distance of first flank of tooth of the second tooth of the rack to be measured.
7. measurement tooling according to claim 1, which is characterized in that first measurement portion is strip, and described the
One measurement portion is identical with the structure of second measurement portion.
It is 8. a kind of using the measuring method that tooling is measured such as claim 1-7 any one of them, which is characterized in that the method
Pressure angular displacement including measuring rack to be measured, including：
Draw A points, B points and C points respectively in the first ratcheting face of flank of tooth upper edge of second tooth, and A points are arranged close to tooth root, C
Point arranges that B points are the midpoint of A points and C points close to tooth top；
By the base of first measurement portion and the first face of the first tooth of the rack to be measured, described second is measured
The base in portion and first flank of tooth of the second tooth of the rack to be measured are positioned opposite；
The base of second measurement portion is measured to the clearance distance X1 of A points, the base of second measurement portion by clearance ruler
To B points clearance distance X2 and second measurement portion base to C points clearance distance X3；
If | X1-X2 |≤Y, | X1-X3 |≤Y, | X2-X3 |≤Y, then the pressure angular displacement of the rack to be measured meet the requirements,
In, Y=(distance of the distance-C points of the tooth height-A points of rack to be measured to tooth root to tooth top)/cos α/sin ((180 °-maximum pressures
Power angular displacement angle)/2), and α is theoretical pressure angle.
9. according to the method described in claim 8, it is characterized in that, the method further includes：Measure the tooth of the rack to be measured
Away from deviation, including：
If X1/cos α≤theoretical maximum circular pitch deviation, X2/cos α≤theoretical maximum circular pitch deviation, X3/cos α≤theoretical maximum tooth
Away from deviation, then the circular pitch deviation of the rack to be measured meets the requirements.
10. according to the method described in claim 8, it is characterized in that, the distance of tooth root of the A points apart from the rack to be measured is
The modulus of 0.15 times of the rack to be measured, the distance of tooth top of the C points apart from the rack to be measured are 0.15 times described to be measured
The modulus of rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710985770.XA CN108151623B (en) | 2017-10-20 | 2017-10-20 | Measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710985770.XA CN108151623B (en) | 2017-10-20 | 2017-10-20 | Measuring method |
Publications (2)
| Publication Number | Publication Date |
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| CN108151623A true CN108151623A (en) | 2018-06-12 |
| CN108151623B CN108151623B (en) | 2020-03-27 |
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ID=62467872
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710985770.XA Active CN108151623B (en) | 2017-10-20 | 2017-10-20 | Measuring method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459593A (en) * | 2018-11-27 | 2019-03-12 | 许继集团有限公司 | Switching charging tray and relay protection single-board testing device |
| CN111780648A (en) * | 2020-07-14 | 2020-10-16 | 中国船舶科学研究中心 | Semi-submerged propeller propulsion unit angle measurement tool and measurement method |
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| US5513442A (en) * | 1994-11-22 | 1996-05-07 | Illinois Tool Works Inc. | Apparatus for inspecting a gear |
| CN2323352Y (en) * | 1998-01-06 | 1999-06-09 | 中国计量科学研究院 | Gear pitch error measuring device |
| CN104990485A (en) * | 2015-08-07 | 2015-10-21 | 张家港润通海洋工程科技有限公司 | Method for measuring teeth distance of tooth bar and paired tooth deviation |
| CN106197214A (en) * | 2016-07-15 | 2016-12-07 | 武汉船用机械有限责任公司 | A kind of spud leg tooth bar transverse tooth thickness measures frock and measuring method |
| CN206399344U (en) * | 2017-01-16 | 2017-08-11 | 浙江师范大学 | A kind of involute helicoid worm pressure angle special measuring tool |
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2017
- 2017-10-20 CN CN201710985770.XA patent/CN108151623B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5513442A (en) * | 1994-11-22 | 1996-05-07 | Illinois Tool Works Inc. | Apparatus for inspecting a gear |
| CN2323352Y (en) * | 1998-01-06 | 1999-06-09 | 中国计量科学研究院 | Gear pitch error measuring device |
| CN104990485A (en) * | 2015-08-07 | 2015-10-21 | 张家港润通海洋工程科技有限公司 | Method for measuring teeth distance of tooth bar and paired tooth deviation |
| CN106197214A (en) * | 2016-07-15 | 2016-12-07 | 武汉船用机械有限责任公司 | A kind of spud leg tooth bar transverse tooth thickness measures frock and measuring method |
| CN206399344U (en) * | 2017-01-16 | 2017-08-11 | 浙江师范大学 | A kind of involute helicoid worm pressure angle special measuring tool |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459593A (en) * | 2018-11-27 | 2019-03-12 | 许继集团有限公司 | Switching charging tray and relay protection single-board testing device |
| CN109459593B (en) * | 2018-11-27 | 2021-04-02 | 许继集团有限公司 | Transfer tray and relay protection single board testing device |
| CN111780648A (en) * | 2020-07-14 | 2020-10-16 | 中国船舶科学研究中心 | Semi-submerged propeller propulsion unit angle measurement tool and measurement method |
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| Publication number | Publication date |
|---|---|
| CN108151623B (en) | 2020-03-27 |
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