CN106959063A - Survey tool, truing tool and the measuring apparatus in marine diesel machine body cylinder hole - Google Patents
Survey tool, truing tool and the measuring apparatus in marine diesel machine body cylinder hole Download PDFInfo
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- CN106959063A CN106959063A CN201710085541.2A CN201710085541A CN106959063A CN 106959063 A CN106959063 A CN 106959063A CN 201710085541 A CN201710085541 A CN 201710085541A CN 106959063 A CN106959063 A CN 106959063A
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- supporting plate
- support tube
- machine body
- marine diesel
- survey tool
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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
- G01B5/003—Measuring of motor parts
-
- 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
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- 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
- G01B5/245—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing perpendicularity
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
For many technological deficiencies of the prior art, the application expects to provide a kind of survey tool, truing tool and the measuring apparatus in marine diesel machine body cylinder hole, wherein：A kind of survey tool in marine diesel machine body cylinder hole, including：Support tube, the measurement apparatus installed in support tube upper end, two supporting plates installed in the base of support tube lower end and on support tube, the one end of base away from support tube is provided with bottom contact, and bottom contact lower end is connected with the external screw thread stud matched with base；Two supporting plates include the upper backup pad and the lower supporting plate in the middle part of support tube close to measurement apparatus, and two adjustable metering contacts are respectively equipped with upper backup pad and lower supporting plate and trip bolt for fixation measuring contact is equipped with the two.Compared to prior art, the application can be prevented effectively from the limitation of measuring method in the prior art, easily measure cylinder-bore supporting surface to the second segment distance at main bearing hole center and can verify that cylinder bore axis perpendicularity.
Description
Technical field
The disclosure relates generally to marine diesel body detection technique field, and in particular to marine diesel machine body cylinder hole
Detection technique field, more particularly to marine diesel machine body cylinder hole survey tool, truing tool and measuring apparatus.
Background technology
The distance of cylinder-bore supporting surface to main bearing hole center line is the critical size of diesel-engine body, utilizes the crucial chi
It is very little to examine the perpendicularity of cylinder bore axis, therefore play the role of to diesel engine important.If the perpendicularity of cylinder bore axis
Beyond the margin of tolerance, it is possible to cause diesel engine lubricating oil scurry into combustion chamber, piston or cylinder pull, connecting rod tile kilning and pitman shaft
The failures such as line bending, ultimately result in diesel engine power decline, and accessory is damaged, and diesel engine can not normal work.
When detecting diesel-engine body cylinder-bore supporting surface to main bearing hole centre distance, because main bearing hole center is one
Individual virtual point, it is difficult to determine the position of its point, general measurement thinking is：Above-mentioned distance is divided into two sections, based on first paragraph
Bearing pore radius, second segment is distance of the cylinder-bore supporting surface to main bearing hole internal diameter.The main bearing hole internal diameter of first paragraph can be with
Obtained by dial bore gage measurement, but the distance of second segment cylinder-bore supporting surface to main bearing hole internal diameter is difficult to obtain.
Under normal circumstances, in processing diesel engine body, the higher lathe of machining accuracy is typically passed through, it is ensured that cabinet size
And the part form and position tolerance in machine body cylinder hole, but this method can not directly obtain the good of cylinder bore axis perpendicularity
It is bad.In addition to this it is possible to be measured by three coordinate measuring machine to cylinder-bore, because body is V-type diesel, to cylinder
When hole is measured, the error that average probe measurement is obtained is larger, it is necessary to be installed additional to probe when being measured to main bearing hole
Long probe and joint, cause error further to increase, and during three coordinate measuring machine, big to the selection difficulty of measurement point, need
Complicated programming is wanted, obtained data report will re-start processing, and the consuming time is long, the required precision to three coordinate measuring machine
It is higher, while consuming fund is more.
The content of the invention
In view of drawbacks described above of the prior art or deficiency, expect to provide one kind compared to existing technologies, Neng Gouyou
Effect avoids the limitation of measuring method in the prior art, can either easily measure cylinder-bore supporting surface to the of main bearing hole center
Two segment distances, can intuitively examine survey tool, the school in the marine diesel machine body cylinder hole of cylinder bore axis perpendicularity again
Quasi- instrument and measuring apparatus.
In a first aspect, being provided with a kind of survey tool in marine diesel machine body cylinder hole.
A kind of survey tool in marine diesel machine body cylinder hole, including：Support tube, the measurement installed in support tube upper end
Device, two supporting plates installed in the base of support tube lower end and on support tube, the base away from support tube one
End is provided with bottom contact, and the bottom contact lower end is connected with the external screw thread stud matched with the base；Supported described in two
Plate includes the upper backup pad and the lower supporting plate in the middle part of support tube close to measurement apparatus, the upper backup pad and lower supporting plate
On be respectively equipped with two adjustable metering contacts and trip bolt for fixation measuring contact be equipped with the two.
The technical scheme provided according to the embodiment of the present application：It is respectively symmetrically logical provided with two measurements in supporting plate described in two
Hole, the metering contact is placed in measurement through hole and fixed by trip bolt.
The technical scheme provided according to the embodiment of the present application：The measurement apparatus is dial gauge.
The technical scheme provided according to the embodiment of the present application：The support tube has two.
The technical scheme provided according to the embodiment of the present application：Two passed through for support tube are respectively equipped with described in two in supporting plate
Groove is provided between two through hole on through hole and each supporting plate, the cell wall of the groove is provided with screwed hole.
The technical scheme provided according to the embodiment of the present application：The bottom contact is dome-type.
The technical scheme provided according to the embodiment of the present application：The support tube two ends are machined with heavy platform respectively.
There is provided have a kind of marine diesel machine body cylinder hole measurement instrument truing tool for second aspect.
A kind of marine diesel machine body cylinder hole measurement instrument truing tool, including：Base plate and it is fixed in the base plate
On two detection supporting plates, detect that supporting plate includes upper detection supporting plate and lower detection supporting plate, the upper detection branch described in two
Side of the fagging away from lower detection supporting plate is struck the post provided with top and the one end of the base plate away from upper detection supporting plate is provided with
Bottom touch panel.
The technical scheme provided according to the embodiment of the present application：Reinforcement is provided between two detection supporting plates.
The third aspect there is provided there is a kind of measuring apparatus in marine diesel machine body cylinder hole, including：As described in relation to the first aspect
Survey tool and the truing tool as described in second aspect.
In summary, the application be provided with a kind of survey tool in marine diesel machine body cylinder hole, truing tool and
Measuring apparatus.Theoretical size according to diesel-engine body cylinder-bore goes to make truing tool；Cylinder-bore supporting surface is arrived in reality
Before the second segment distance at main bearing hole center is measured, first with spanner by the external screw thread stud of survey tool upper bottom portion contact
Connect with the corresponding threaded holes of base, bottom contact is tightened with base together with, survey tool is then placed in truing tool
It is upper to be calibrated, i.e., by adjusting the metering contact on survey tool in two supporting plates so that the metering contact in two supporting plates
It is in contact with the reference plane in corresponding detection supporting plate, while measuring respectively in two supporting plates away from corresponding detection support
The end face of plate when above-mentioned two apart from identical and when reaching specified altitude assignment, that is, is thought every to the vertical range of truing tool base plate
The diameter that two contact points are formed in individual supporting plate is identical with the internal diameter in corresponding detection supporting plate, that is, with it is corresponding
The internal diameter of cylinder-bore top or cylinder-bore bottom is identical；Thereafter, the position of the metering contact through overregulating is consolidated with trip bolt
Fixed, somewhat adjusting the position of survey tool makes the bottom contact of survey tool be closely against on the bottom touch panel of truing tool, will
Measurement apparatus returns to zero, you can go to measure actual marine diesel body upper cylinder hole support using the survey tool after calibration
Second segment distance of the face to main bearing hole center.
Measure actual marine diesel body upper cylinder hole supporting surface to main bearing hole center second segment apart from when, head
It is first that the upper backup pad and lower supporting plate on survey tool is matched with cylinder-bore respectively, bottom contact and main bearing hole internal diameter phase
After contact, the position of survey tool is finely tuned along the circumferential surface of cylinder-bore, meanwhile, the numerical value in measurement apparatus is read, its
Minimum value is second segment distance of the marine diesel body upper cylinder hole supporting surface to main bearing hole center.
Design based on above-mentioned technical proposal, the application compared to existing technologies, can be prevented effectively from prior art
The limitation of middle measuring method, easily measures cylinder-bore supporting surface to the second segment distance at main bearing hole center very much.In addition, this
Application can also calculate the perpendicularity for judging cylinder-bore using the second segment distance, convenient and easy, suitable for promoting.
Based on the design of above-mentioned optimal technical scheme, on the one hand the application, optimizes the quantity layout of support tube；One side
Face, optimizes the structure and its connected mode with support tube of two supporting plates；Finally, also optimize the structure of bottom contact with
And its connected mode with base so that the technical scheme of the application is able to further perfect.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, the application's is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is the structural representation of survey tool in the application；
Fig. 2 is the structural representation of bottom contact in Fig. 1；
Fig. 3 is the structural representation of Fig. 1 lower supporting plates；
Fig. 4 is the structural representation of the application alignment instrument；
Fig. 5 is the structural representation of measuring apparatus in the application；
Fig. 6 is the real use state schematic diagram of survey tool in the application；
Fig. 7 is the process schematic of detection perpendicularity in the application.
In figure：
1st, support tube；2nd, base；3rd, bottom contact；4th, upper backup pad；5th, lower supporting plate；6th, metering contact；7th, spiral shell is fastened
Nail；8th, dial gauge；9th, groove；10th, screwed hole；11st, external screw thread stud；12nd, base plate；13rd, supporting plate is detected；14th, top is struck the post；
15th, bottom touch panel；16th, reinforcement.
Embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that, in order to
It is easy to illustrate only the part related to invention in description, accompanying drawing.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Embodiment one：
Refer to the survey that a kind of marine diesel machine body cylinder hole is particularly provideed in Fig. 1, Fig. 2 and Fig. 3, the present embodiment
Amount instrument, is specifically included：Support tube 1, the measurement apparatus installed in the upper end of support tube 1, the base 2 installed in the lower end of support tube 1
With two supporting plates on support tube 1.
Support tube, critical support skeleton of the invention, thereon for installing measurement apparatus, the group such as base and two supporting plates
Part.In any preferred embodiment, the support tube 1 has two, this be designed to effectively prevent two supporting plates, base with
It relatively rotates, to ensure that the distance measured by this survey tool is cylinder-bore support surface to main bearing hole inside diameter surface
Beeline, using dual beam configuration, the straight line determined using two centers of circle of two support tubes prevents from rotating.
The part actually measured in measurement apparatus, the application, in any preferred embodiment, the measurement apparatus
For dial gauge 8.
Base, its one end away from support tube 1 be provided with bottom contact 3, the bottom contact 3 be used for in main bearing hole
Footpath surface is in contact, and the lower end of bottom contact 3 is connected with the external screw thread stud 11 matched with the base 2；In its lower end
In the case of being connected with external screw thread stud, user can thread directly into this part in the screwed hole on base, though thread it
Between have gap, during measurer use, if keep bottom contact withstand on all the time on the inside diameter surface of main bearing hole, between thread
Gap also will not produce error to measurement result.
In any preferred embodiment, the bottom contact 3 is dome-type.In use, can touch bottom
Point is easier to be in contact with main bearing hole.
Two supporting plates, including：Close to the upper backup pad 4 and the lower supporting plate 5 positioned at the middle part of support tube 1 of measurement apparatus, it is
Convenient use truing tool is corrected to survey tool, and two are respectively equipped with the upper backup pad 4 and lower supporting plate 5 and be can adjust
Metering contact 6 and trip bolt 7 for fixation measuring contact 6 is equipped with the two.Based on this design, actually used
In, by loosening trip bolt 7, you can displacement of the metering contact relative to two supporting plates is adjusted, when in regulation to two supporting plates
Metering contact when being in contact with the reference plane in corresponding detection supporting plate, you can locking trip bolt 7.Any preferred
Embodiment in, described in two in supporting plate respectively symmetrically provided with two measurement through holes, the metering contact 6 be placed in measurement through hole in
And fixed by trip bolt 7.
Before reality is measured to the second segment distance of cylinder-bore supporting surface to main bearing hole center, first, spanner is used
The corresponding threaded holes of the external screw thread stud of survey tool upper bottom portion contact and base are connect, bottom contact and base are tightened
Together.
Then, survey tool is placed on truing tool and calibrated, for the diesel-engine body of different type of machines, needed
Configure the truing tool and survey tool of corresponding size.By adjusting the metering contact on survey tool in two supporting plates,
So that the metering contact in two supporting plates is in contact with the reference plane in corresponding detection supporting plate, while measuring two respectively
Vertical range away from the corresponding end face for detecting supporting plate to truing tool base plate on fagging.
In fact, the metering contact in two supporting plates in order to ensure survey tool formed the centers of circle of two circular arcs respectively with
The center of circle of two circular arcs is overlapped in two detection supporting plates on truing tool, and the axis and truing tool that the two coincidence centers of circle are formed
Base plate it is parallel, it is necessary to respectively measurement two overlap the centers of circle arrive base plate distance, when two coincidence the center of circle to base plates distances it is identical
When, it just can guarantee that parallel, i.e. calibration process completion.But because the center of circle is virtual point, it is impossible to measure, therefore should be from others
Point or face are replaced.And face selected in the application is to detect supporting plate away from corresponding in two supporting plates on survey tool
Plane, refers to F the or F1 planes shown in Fig. 3, wherein：Away from corresponding detection supporting plate on F planes correspondence upper backup pad
Plane；Plane away from corresponding detection supporting plate on F1 planes correspondence lower supporting plate.
Obtained in actual design in two supporting plates away from the corresponding plane for detecting supporting plate to truing tool base plate
Vertical range, be " specified altitude assignment ".
, it is necessary to different survey tools for different types, so the numerical value of the specified altitude assignment is different,
In the calibration process of survey tool, calibrating successful standard is：Above-mentioned two apart from identical and be equal to the survey tool and preset
Specified altitude assignment.When above-mentioned two apart from identical and when reaching specified altitude assignment, that is, think two contact point institute shape in each supporting plate
Into diameter it is identical with the internal diameter in corresponding detection supporting plate, that is, with corresponding cylinder-bore top or cylinder-bore bottom
Internal diameter it is identical.
Thereafter, the position of the metering contact through overregulating is fixed with trip bolt, somewhat adjusts the position of survey tool
The bottom contact of survey tool is closely against on the bottom touch panel of truing tool, now, the dial gauge in measurement apparatus is adjusted
Zero, you can remove to measure actual marine diesel body upper cylinder hole supporting surface to base bearing using the survey tool after calibration
The second segment distance at hole center.
Referring to Fig. 6, when the second segment distance to cylinder-bore supporting surface to main bearing hole center is measured, first will
Upper backup pad and lower supporting plate on survey tool is matched with cylinder-bore respectively, and bottom contact is in contact with main bearing hole internal diameter
Afterwards, the position of survey tool is finely tuned along the circumferential surface of cylinder-bore, meanwhile, the numerical value in measurement apparatus is read, it is minimum
Value is second segment distance of the marine diesel body upper cylinder hole supporting surface to main bearing hole center.
On the premise of support tube has two, to realize effective mating of two supporting plates respectively with two support tubes, the application
Be respectively equipped with described in design two in supporting plate for support tube 1 through two through hole and each supporting plate on two through hole be provided with
Groove 9, the cell wall of the groove 9 is provided with screwed hole 10.Based on this design, two support tubes are sequentially passed through into two supporting plates first
On through hole, then, tightened respectively in the screwed hole in two supporting plates with screw, afterwards, utilize the generation at groove two ends
Elastic pressure, respectively fastens two supporting plates and support tube.
In any preferred embodiment, the two ends of support tube 1 are machined with heavy platform respectively.In actual use, measure
Instrument is matched often through gauge stand and support tube upper end, in order to ensure that relative position does not occur for the distance between gauge stand and base
Move, influence measurement result, it is therefore desirable to consider the fastening against two positions emphatically.Added respectively with lathe at connecting tube two ends for this
Work goes out heavy platform, and the heavy platform of connecting tube is inserted respectively into the connection hole of base and gauge stand, while the tapping in connecting tube, the bottom of at
The other end of seat and gauge stand is fastened with bolt respectively, when being fastened with bolt, and surface is simultaneously with being connected at the nut of bolt
End surfaces and base, the face of gauge stand are in contact, and easily occur positioning, and in order to avoid there is such situation, therefore, connecting tube adds
The height that work obtains heavy platform should be slightly less than gauge stand and the height of base holes, when being fastened with bolt, and making can jail on gauge stand and base
Firmly it is scheduled in connecting tube, does not occur relative displacement.
In any preferred embodiment, use for convenience, mitigate the labor intensity of worker, it is necessary to consider to measure work
Have overall weight, therefore the material of connecting tube, two supporting plates and base is preferably aluminium alloy, and connecting tube should be preferred to use
Hollow pipe, compared with steel, weight saving is close to 1/3.
Embodiment two：
Referring to Fig. 4, having particularly provideed a kind of marine diesel machine body cylinder hole measurement instrument school in the present embodiment
Quasi- instrument, including：Base plate 12 and two detection supporting plates 13 being fixed on the base plate 12, detect that supporting plate includes upper described in two
Detect supporting plate and lower detection supporting plate, side of the upper detection supporting plate away from lower detection supporting plate strikes the post 14 provided with top
And the one end of the base plate 12 away from upper detection supporting plate is provided with bottom touch panel 15.
In any preferred embodiment, reinforcement 16 is provided between two detection supporting plates 13.
Wherein, base plate, is the basic components of this truing tool, thereon for installing other assemblies；
Two detection supporting plates, including：Upper detection supporting plate and lower detection supporting plate, the two can be simulated in cylinder-bore completely
The size of lower two, i.e., the arc radius of two detection supporting plates is identical with the radius of cylinder-bore top and the bottom.
In a calibration process, it is contemplated that cylinder-bore upper radius is different with the size of lower radius, thus upper backup pad, lower branch
The extension elongation of metering contact on fagging is different.
Top in upper detection supporting plate strikes the post 14, for simulating cylinder-bore supporting surface.
Bottom touch panel on base plate, for the inside diameter surface of analog main shaft bearing bore, to lift the accuracy of calibration process.
In theory, supporting plates are detected by truing tool two and the chi of two above and below cylinder-bore can be simulated completely
Very little, i.e., the arc radius of two detection supporting plates is identical with the radius of cylinder-bore top and the bottom；Meanwhile, truing tool upper top is struck the post
Second segment distance with the distance between bottom touch panel with marine diesel body upper cylinder hole supporting surface to main bearing hole center
It is identical, therefore truing tool can be calibrated effectively for the simulation of cylinder-bore to survey tool.
Before reality is measured to the second segment distance of cylinder-bore supporting surface to main bearing hole center, first, spanner is used
The corresponding threaded holes of the external screw thread stud of survey tool upper bottom portion contact and base are connect, bottom contact and base are tightened
Together.
Then, survey tool is placed on truing tool and calibrated, for the diesel-engine body of different type of machines, needed
Configure the truing tool and survey tool of corresponding size.By adjusting the metering contact on survey tool in two supporting plates,
So that the metering contact in two supporting plates is in contact with the reference plane in corresponding detection supporting plate, while measuring two respectively
The vertical range of end face to truing tool base plate away from corresponding detection supporting plate on fagging reaches specified altitude assignment.
In fact, the metering contact in two supporting plates in order to ensure survey tool formed the centers of circle of two circular arcs respectively with
The center of circle of two circular arcs is overlapped in two detection supporting plates on truing tool, and the axis and truing tool that the two coincidence centers of circle are formed
Base plate it is parallel, it is necessary to respectively measurement two overlap the centers of circle arrive base plate distance, when two coincidence the center of circle to base plates distances it is identical
When, it just can guarantee that parallel, i.e. calibration process completion.But because the center of circle is virtual point, it is impossible to measure, therefore should be from others
Point or face are replaced.And face selected in the application is to detect supporting plate away from corresponding in two supporting plates on survey tool
Plane, refers to F the or F1 planes shown in Fig. 3, wherein：Away from corresponding detection supporting plate on F planes correspondence upper backup pad
Plane；Plane away from corresponding detection supporting plate on F1 planes correspondence lower supporting plate.
Obtained in actual design in two supporting plates away from the corresponding plane for detecting supporting plate to truing tool base plate
Vertical range, be " specified altitude assignment ".
, it is necessary to different survey tools for different types, so the numerical value of the specified altitude assignment is different,
In the calibration process of survey tool, calibrating successful standard is：Above-mentioned two apart from identical and be equal to the survey tool and preset
Specified altitude assignment.When above-mentioned two apart from identical and when reaching specified altitude assignment, that is, think two contact point institute shape in each supporting plate
Into diameter it is identical with the internal diameter in corresponding detection supporting plate, that is, with corresponding cylinder-bore top or cylinder-bore bottom
Internal diameter it is identical.
Embodiment three：
The present embodiment particularly provides a kind of measuring apparatus in marine diesel machine body cylinder hole, including：Such as embodiment
Survey tool described in one and the truing tool as described in embodiment two.
Referring to Fig. 5, before reality is measured to the second segment distance of cylinder-bore supporting surface to main bearing hole center, it is first
First, the corresponding threaded holes of the external screw thread stud of survey tool upper bottom portion contact and base are connect with spanner, by bottom contact and
Base is tightened together.
Then, survey tool is placed on truing tool and calibrated, for the diesel-engine body of different type of machines, needed
Configure the truing tool and survey tool of corresponding size.By adjusting the metering contact on survey tool in two supporting plates,
So that the metering contact in two supporting plates is in contact with the reference plane in corresponding detection supporting plate, while measuring two respectively
The vertical range of end face to truing tool base plate away from corresponding detection supporting plate on fagging reaches specified altitude assignment.
In fact, the metering contact in two supporting plates in order to ensure survey tool formed the centers of circle of two circular arcs respectively with
The center of circle of two circular arcs is overlapped in two detection supporting plates on truing tool, and the axis and truing tool that the two coincidence centers of circle are formed
Base plate it is parallel, it is necessary to respectively measurement two overlap the centers of circle arrive base plate distance, when two coincidence the center of circle to base plates distances it is identical
When, it just can guarantee that parallel, i.e. calibration process completion.But because the center of circle is virtual point, it is impossible to measure, therefore should be from others
Point or face are replaced.And face selected in the application is to detect supporting plate away from corresponding in two supporting plates on survey tool
Plane, refers to F the or F1 planes shown in Fig. 3, wherein：Away from corresponding detection supporting plate on F planes correspondence upper backup pad
Plane；Plane away from corresponding detection supporting plate on F1 planes correspondence lower supporting plate.
Obtained in actual design in two supporting plates away from the corresponding plane for detecting supporting plate to truing tool base plate
Vertical range, be " specified altitude assignment ".
, it is necessary to different survey tools for different types, so the numerical value of the specified altitude assignment is different,
In the calibration process of survey tool, calibrating successful standard is：Above-mentioned two apart from identical and be equal to the survey tool and preset
Specified altitude assignment.When above-mentioned two apart from identical and when reaching specified altitude assignment, that is, think two contact point institute shape in each supporting plate
Into diameter it is identical with the internal diameter in corresponding detection supporting plate, that is, with corresponding cylinder-bore top or cylinder-bore bottom
Internal diameter it is identical.
Thereafter, the position of the metering contact through overregulating is fixed with trip bolt, somewhat adjusts the position of survey tool
The bottom contact of survey tool is closely against on the bottom touch panel of truing tool, now, the dial gauge in measurement apparatus is adjusted
Zero, you can remove to measure actual marine diesel body upper cylinder hole supporting surface to base bearing using the survey tool after calibration
The second segment distance at hole center.
Referring to Fig. 6, when the second segment distance to cylinder-bore supporting surface to main bearing hole center is measured, first will
Upper backup pad and lower supporting plate on survey tool is matched with cylinder-bore respectively, and bottom contact is in contact with main bearing hole internal diameter
Afterwards, the position of survey tool is finely tuned along the circumferential surface of cylinder-bore, meanwhile, the numerical value in measurement apparatus is read, it is minimum
Value is second segment distance of the marine diesel body upper cylinder hole supporting surface to main bearing hole center.Measuring cylinder-bore support
Face to main bearing hole center second segment distance after, you can use it to detection cylinder-bore perpendicularity, refer to Fig. 7.
In Fig. 7 horizontal linear CD for main bearing hole internal diameter on measurement base directrix, above-mentioned survey tool bottom contact with
This line is overlapped；ABCD is cylinder-bore ideal position, and vertical straight line a is the axis of cylinder-bore.
Because the cylinder-bore has perpendicularity deviation, then the actual axis of the cylinder-bore can be angularly offset, after skew
Cylinder-bore then turn into A ' B ' C ' D ', so measurement obtain A ' C ', B ' D ' length it is different.
In the figure 7, although A ' C ' and B ' D ' length are differed, difference is in 0.03mm, but the dimensional tolerance of the distance
For ± 0.05mm, so can not judge that the cylinder-bore has the influence of perpendicularity.Therefore must take into consideration skew after cylinder-bore then into
Size for A ' B ' C ' D ' two ends is poor, could judge the perpendicularity of the cylinder-bore.Clearly cylinder-bore two is obtained in figure
The range difference at end is B ' E ', is right angled triangle in Δ A ' B ' E ', from the concept of perpendicularity,
And known A ' B ' length is 340mm, regulation can be exceeded in the hope of B ' E ' ≈ 0.06mm, i.e. the cylinder-bore error of perpendicularity
Value.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology of the particular combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, is carried out by above-mentioned technical characteristic or its equivalent feature
Other technical schemes formed by any combination.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical characteristic of energy carries out technical scheme formed by replacement mutually.
Claims (10)
1. a kind of survey tool in marine diesel machine body cylinder hole, it is characterised in that：Including：Support tube (1), installed in support
Manage the measurement apparatus of (1) upper end, the base (2) installed in support tube (1) lower end and two supports on support tube (1)
Plate, the base (2) away from support tube (1) one end be provided with bottom contact (3), bottom contact (3) lower end be connected with
The matched external screw thread stud (11) of the base (2)；Supporting plate described in two include close to measurement apparatus upper backup pad (4) and
Two are respectively equipped with lower supporting plate (5) in the middle part of support tube (1), the upper backup pad (4) and lower supporting plate (5) to can adjust
Metering contact (6) and trip bolt (7) for fixation measuring contact (6) is equipped with the two.
2. a kind of survey tool in marine diesel machine body cylinder hole according to claim 1, it is characterised in that：Described in two
Respectively symmetrically provided with two measurement through holes in supporting plate, the metering contact (6) is placed in measurement through hole and by trip bolt
(7) it is fixed.
3. a kind of survey tool in marine diesel machine body cylinder hole according to claim 1, it is characterised in that：It is described to survey
Amount device is dial gauge (8).
4. a kind of survey tool in marine diesel machine body cylinder hole according to claim 1, it is characterised in that：The branch
Stay tube (1) has two.
5. a kind of survey tool in marine diesel machine body cylinder hole according to claim 4, it is characterised in that：Described in two
Be respectively equipped with supporting plate for support tube (1) through two through hole and each supporting plate on two through hole be provided with groove (9),
The cell wall of the groove (9) is provided with screwed hole (10).
6. a kind of survey tool in marine diesel machine body cylinder hole according to any one of claim 1 to 5, its feature exists
In：The bottom contact (3) is dome-type.
7. a kind of survey tool in marine diesel machine body cylinder hole according to any one of claim 1 to 5, its feature exists
In：Support tube (1) two ends are machined with heavy platform respectively.
8. a kind of marine diesel machine body cylinder hole measurement instrument truing tool, it is characterised in that：Including：Base plate (12) and solid
Two detection supporting plates (13) on the base plate (12) are connected on, detect that supporting plate includes upper detection supporting plate and lower detection described in two
Supporting plate, side of the upper detection supporting plate away from lower detection supporting plate is struck the post (14) provided with top and the base plate (12) is remote
One end from upper detection supporting plate is provided with bottom touch panel (15).
9. a kind of marine diesel machine body cylinder hole measurement instrument truing tool according to claim 8, its feature exists
In：Reinforcement (16) is provided between two detection supporting plates (13).
10. a kind of measuring apparatus in marine diesel machine body cylinder hole, it is characterised in that：Including：As described in claim 1-7
Survey tool and the truing tool as described in claim 8-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085541.2A CN106959063A (en) | 2017-02-17 | 2017-02-17 | Survey tool, truing tool and the measuring apparatus in marine diesel machine body cylinder hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085541.2A CN106959063A (en) | 2017-02-17 | 2017-02-17 | Survey tool, truing tool and the measuring apparatus in marine diesel machine body cylinder hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106959063A true CN106959063A (en) | 2017-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710085541.2A Pending CN106959063A (en) | 2017-02-17 | 2017-02-17 | Survey tool, truing tool and the measuring apparatus in marine diesel machine body cylinder hole |
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| Country | Link |
|---|---|
| CN (1) | CN106959063A (en) |
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Application publication date: 20170718 |