CN108007408A - A kind of fuel injector height measuring device of adjust automatically - Google Patents
A kind of fuel injector height measuring device of adjust automatically Download PDFInfo
- Publication number
- CN108007408A CN108007408A CN201711454710.1A CN201711454710A CN108007408A CN 108007408 A CN108007408 A CN 108007408A CN 201711454710 A CN201711454710 A CN 201711454710A CN 108007408 A CN108007408 A CN 108007408A
- Authority
- CN
- China
- Prior art keywords
- fuel injector
- installing plate
- measuring device
- adjust automatically
- height measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 47
- 238000006073 displacement reaction Methods 0.000 claims abstract description 32
- 238000005259 measurement Methods 0.000 claims abstract description 24
- 230000001737 promoting effect Effects 0.000 claims abstract 2
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses a kind of fuel injector height measuring device of adjust automatically, including the measuring block installed the installing plate of displacement sensor and be connected with displacement sensor, the installing plate of the measuring block periphery is equipped with the support column of at least three support cylinder caps, elastic parts is equipped between the installing plate and measuring block, the drive component for promoting the installing plate upper and lower displacement is equipped with below the installing plate, the drive component is equipped with the balanced controls of the measurement datum with tested fuel injector co-planar that automatically adjust the measuring block.The measuring device of the present invention can ensure measurement datum and fuel injector co-planar according to stressing conditions adjust automatically angle, can reliability so as to improve accuracy of measurement; and; in measurement, displacement sensor is not direct to be contacted the present apparatus with fuel injector, can effectively protect sensor.
Description
Technical field
The present invention relates to engine detection equipment field, more specifically, it relates to which a kind of fuel injector of adjust automatically is high
Spend measuring device.
Background technology
During engine assembly, it usually needs the protrusion height of engine fuel injector is measured, it is existing
Engine fuel injector projecting height measuring device is substantially fixed, and since the cylinder cap positioning for being measured fuel injector is consistent
Property it is poor so that the measuring basis plane of displacement sensor and fuel injector plane not in the same plane, so as to cause measurement to be tied
The problem of fruit accuracy is low.
The content of the invention
The technical problem to be solved in the present invention is the above-mentioned deficiency for the prior art, there is provided one kind being capable of adjust automatically survey
The fuel injector height measuring device of datum plane and measured fuel injector co-planar is measured, carrying can high measurement accuracy and reliable
Property.
It is the technical scheme is that such：A kind of fuel injector height measuring device of adjust automatically, including installation position
The installing plate of displacement sensor and the measuring block being connected with displacement sensor, the installing plate of the measuring block periphery are equipped with least three
Root supports the support column of cylinder cap, and elastic parts is equipped between the installing plate and measuring block, is equipped with below the installing plate
The drive component of the installing plate upper and lower displacement is promoted, the drive component is equipped with the measurement base for automatically adjusting the measuring block
Quasi- face and the balanced controls of tested fuel injector co-planar.
As a further improvement, the elastic parts includes the stent being connected with the installing plate and positioned at the survey
Compression spring between gauge block and stent, the measuring block is by being arranged in the fixation spiral shell compressed between spring and stent
Bolt is contacted with the displacement sensor to be connected.
Further, the compression spring peripheral is also arranged with stop collar, which includes limiting the compression bullet
The first limiting section and limit the second limiting section that the fixing bolt deviates that spring deviates.
Further, the drive component includes cylinder and the lifter plate with the cylinders, the lifter plate with
The installing plate is coaxially arranged.
Further, lifter plate periphery is equipped with multiple guidance sets, and the plurality of guidance set surrounds the liter
The axial line of drop plate is evenly arranged.
Further, the guidance set includes the guide sleeve being connected with the lifter plate and is plugged in the guide sleeve
And pass through the guide rod of the lifter plate.
Further, the balanced controls are made of at least three balanced components, and the plurality of balanced component surrounds institute
The axial line for stating installing plate is evenly arranged.
Further, the balanced component includes connecting rod that the installing plate is connected with drive component and is sheathed on
Balancing spring in the connecting rod, the connecting rod are slidably connected with the installing plate, the connecting rod with it is described
Drive component is fixedly linked.
Further, the balancing spring both ends hold out against the installing plate and drive component respectively, and in equilibrium bomb
The lower part of spring is also arranged the balance set that the restricted balancing spring deviates.
Further, the support column is evenly arranged around the axial line of the installing plate.
Beneficial effect
Compared with prior art, the present invention have the advantage that for：
1st, the present invention can be adjusted automatically by setting balanced controls between drive component and installing plate according to stressing conditions
The level angle of whole measuring block remains at approximately the same plane to reach measurement datum with tested fuel injector plane, so as to carry
The accuracy of high measurement；
2nd, the present invention is contacted by measuring block with fuel injector, and contacts phase with displacement sensor holding by fixing bolt
Even, make displacement sensor is not direct to be contacted with fuel injector, avoid fuel injector burr or oil etc. from forming damage or pollution to it, have
Effect protection sensor, improves the reliability of measurement；
3rd, the present invention by setting position limiting structure respectively in compression spring, balancing spring etc., it can be ensured that measuring block straight line
Upper and lower displacement, further ensures that measurement datum and tested fuel injector co-planar, so as to improve accuracy of measurement；
4th, the present invention, can by the way that support column, balanced component, guidance set are arranged to coaxial and equally distributed form
Ensure the concentricity of measuring block upper-lower position, make to be more uniformly stressed, further ensure that measurement datum is put down with tested fuel injector
Face is coplanar.
Brief description of the drawings
Fig. 1 is the main view cross-sectional view of the present invention；
Fig. 2 is the overlooking the structure diagram of the present invention；
Fig. 3 is the cross-section structure enlarged diagram of stop collar in the present invention.
Wherein：1- displacement sensors, 2- installing plates, 3- measuring blocks, 4- support columns, 5- stents, 6- compressions spring, 7- are fixed
Bolt, 8- stop collars, 9- cylinders, 10- lifter plates, 11- guide sleeves, 12- guide rods, 13- connecting rods, 14- balancing springs, 15-
Balance set, 16- caging bolts, the first limiting sections of 8a-, the second limiting sections of 8b-.
Embodiment
The present invention is described further for specific embodiment in below in conjunction with the accompanying drawings.
Refering to Fig. 1-3, a kind of fuel injector height measuring device of adjust automatically of the invention, including installation displacement sensor
1 installing plate 2 and the measuring block 3 being connected with displacement sensor 1, measuring block 3 are T shape, larger one end it is upwardly disposed and with
Fuel injector contacts, and smaller one end is arranged downward to be connected with displacement sensor 1, is equipped with extremely on the installing plate 2 of the periphery of measuring block 3
The support column 4 of few three supports cylinder cap, every 4 contour arrangement of support column, and all support columns 4 surround the axle center of installing plate 2
Line is evenly arranged, uniform force, and elastic parts is equipped between installing plate 2 and measuring block 3, is equipped with and is promoted below installing plate 2
The drive component of 2 upper and lower displacement of installing plate, is equipped with the measurement datum of automatic adjustment measuring block 3 with being tested on drive component
The balanced controls of fuel injector co-planar.The fuel injector height measuring device of the present invention can be surveyed according to stressing conditions adjust automatically
The level angle of gauge block 3 remains at approximately the same plane to reach measurement datum with tested fuel injector plane, so as to improve
The accuracy of measurement.
Specifically, elastic parts includes the stent 5 being connected with installing plate 2 and the compression between measuring block 3 and stent 5
Spring 6, wherein, 5 portal frames of stent, measuring block 3 is located at the top of stent 5, and displacement sensor 1 is located at the lower section of stent 5, surveys
Gauge block 3 is connected by being arranged in the fixing bolt 7 between compression spring 6 and stent 5 and being contacted with displacement sensor 1, measuring block 3
Displacement passes to displacement sensor 1 by fixing bolt 7, achievees the purpose that measurement.Also it is arranged in 6 periphery of compression spring limited
Position set 8, compresses and coordinates between spring 6 and stop collar 8 for small―gap suture, it is ensured that compression spring 6 can be slided in its inner cavity, this is spacing
Covering 8 t shapes, the shoulder on the stop collar 8 of the T shape is contacted with stent 5 to be connected, on stent 5, meanwhile, this is spacing
Set 8 is also set on fixing bolt 7, i.e., the stop collar 8 includes the first limiting section 8a for limiting the compression deviation of spring 6 and limitation admittedly
Determine bolt 7 deviation the second limiting section 8b, it can be ensured that 3 straight line upper and lower displacement of measuring block, further ensure that measurement datum with
Tested fuel injector co-planar, so as to improve accuracy of measurement.The present invention is contacted by measuring block 3 with fuel injector, and by solid
Determine bolt 7 and displacement sensor 1 and keep contact connected, make displacement sensor 1 is not direct to be contacted with fuel injector, avoid fuel injector hair
Thorn or oil etc. form it damage or pollution, effectively protect sensor, improve the reliability of measurement.
Drive component includes cylinder 9 and the lifter plate 10 being connected with the cylinder 9, wherein, lifter plate 10 and installing plate 2 are coaxial
Arrangement, the push rod of cylinder 9 are connected with the center of lifter plate 10, and balanced controls are located in lifter plate 10, are set in 10 periphery of lifter plate
There are multiple guidance sets, and the plurality of guidance set is evenly arranged around the axial line of lifter plate 10, improves the position of lifter plate 10
Stability is moved, specifically, the guidance set includes the guide sleeve 11 being connected with lifter plate 10 and is plugged in the guide sleeve 11 simultaneously
Through the guide rod 12 of lifter plate 10, guide sleeve 11 is slidably connected with guide rod 12, simple in structure, is easy to make.
Balanced controls are made of at least three balanced components, and the plurality of balanced component is equal around the axial line of installing plate 2
Even arrangement, makes uniform force, it is ensured that installing plate 2 does not tilt, which includes the company that installing plate 2 is connected with drive component
Extension bar 13 and the balancing spring 14 being sheathed in the connecting rod 13, connecting rod 13 is slidably connected with installing plate 2, on installing plate 2
The connecting rod 13 of side is equipped with caging bolt 16, and connecting rod 13 is fixedly linked with drive component, i.e. connecting rod 13 and lifter plate 10
It is fixedly connected, its upper and lower displacement is driven by lifter plate 10,14 both ends of balancing spring hold out against installing plate 2 respectively and drive component (rises
Plate drops), balancing spring 14 is compressed by the pressure of lifter plate 10, so that 2 displacement of installing plate is promoted, in the elastic force of balancing spring 14
Under cushioning effect, installing plate 2 is vertically moved all the time, reach 2 levelness of adjust automatically installing plate, it is ensured that measuring block 3
With fuel injector co-planar, the flat of the restricted balancing spring 14 deviation is also arranged in the lower part of balancing spring 14 all the time for measuring surface
Weighing apparatus set 15, further ensures that installing plate 2 vertically moves.
At work, which is placed on below roller-way the fuel injector height measuring device of the present invention, when cylinder cap is run
To measurement station, cylinder 9 promotes lifter plate 10 to move upwards, so as to drive installing plate 2 to shift up, at this time, in balanced controls
Under the action of, measuring block 3 remains vertical ascent, and its top surface is contacted with fuel injector, and survey is used as using the contact surface of the two
Datum level is measured, using the reading of displacement sensor 1 at this time as fuel injector bulge quantity as zero-bit, then cylinder 9 continues to press on lifting
Plate 10 rises, until support column 4 is contacted with cylinder cover bottom surface, at this time, under the collective effect of balanced controls and elastic parts, measurement
The top surface of block 3 keeps coplanar with fuel injector all the time, and the reading of displacement sensor 1 is the protrusion height of fuel injector at this time, cylinder 9
Reset, complete measurement.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art,
Without departing from the structure of the invention, several modifications and improvements can also be made, these are implemented all without the present invention is influenced
Effect and practical applicability.
Claims (10)
1. the fuel injector height measuring device of a kind of adjust automatically, it is characterised in that include the installation of installation displacement sensor (1)
Plate (2) and the measuring block (3) being connected with displacement sensor (1), the installing plate (2) of measuring block (3) periphery are equipped with least
The support column (4) of three support cylinder caps, is equipped with elastic parts, the installation between the installing plate (2) and measuring block (3)
The drive component for promoting installing plate (2) upper and lower displacement is equipped with below plate (2), the drive component is equipped with automatic adjustment institute
State the measurement datum of measuring block (3) and the balanced controls of tested fuel injector co-planar.
A kind of 2. fuel injector height measuring device of adjust automatically according to claim 1, it is characterised in that the bullet
Property component include the stent (5) that is connected with the installing plate (2) and the compression between the measuring block (3) and stent (5)
Spring (6), the measuring block (3) by be arranged in it is described compression spring (6) and stent (5) between fixing bolt (7) and
Displacement sensor (1) contact is connected.
A kind of 3. fuel injector height measuring device of adjust automatically according to claim 2, it is characterised in that the pressure
Contracting spring (6) periphery is also arranged with stop collar (8), which includes limiting the first limit that the compression spring (6) is deviateed
The second limiting section (8b) that position portion (8a) and the limitation fixing bolt (7) are deviateed.
4. the fuel injector height measuring device of a kind of adjust automatically according to claim 1, it is characterised in that described
Drive component include cylinder (9) and the lifter plate (10) that is connected with the cylinder (9), the lifter plate (10) and the peace
Loading board (2) is coaxially arranged.
A kind of 5. fuel injector height measuring device of adjust automatically according to claim 4, it is characterised in that the liter
Drop plate (10) periphery is equipped with multiple guidance sets, and the plurality of guidance set surrounds the uniform cloth of axial line of the lifter plate (10)
Put.
6. the fuel injector height measuring device of a kind of adjust automatically according to claim 5, it is characterised in that described leads
Include the guide sleeve (11) that is connected with the lifter plate (10) to component and to be plugged in the guide sleeve (11) interior and pass through the liter
The guide rod (12) of plate (10) drops.
7. a kind of fuel injector height measuring device of adjust automatically according to any one in claim 1-6, its feature
It is, the balanced controls are made of at least three balanced components, and the plurality of balanced component is around the installing plate (2)
Axial line is evenly arranged.
8. the fuel injector height measuring device of a kind of adjust automatically according to claim 7, it is characterised in that described is flat
Weighing apparatus component includes connecting rod (13) that the installing plate (2) is connected with drive component and is sheathed on putting down in the connecting rod (13)
Weigh spring (14), and the connecting rod (13) is slidably connected with the installing plate (2), the connecting rod (13) and described
Drive component is fixedly linked.
9. the fuel injector height measuring device of a kind of adjust automatically according to claim 8, it is characterised in that described is flat
Weighing apparatus spring (14) both ends hold out against the installing plate (2) and drive component respectively, and are also arranged in the lower part of balancing spring (14)
The balance set (15) that the restricted balancing spring (14) deviates.
10. the fuel injector height measuring device of a kind of adjust automatically according to claim 1, it is characterised in that described
Support column (4) is evenly arranged around the axial line of the installing plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711454710.1A CN108007408B (en) | 2017-12-28 | 2017-12-28 | Automatic injector height measuring device of adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711454710.1A CN108007408B (en) | 2017-12-28 | 2017-12-28 | Automatic injector height measuring device of adjustment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108007408A true CN108007408A (en) | 2018-05-08 |
| CN108007408B CN108007408B (en) | 2023-10-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711454710.1A Active CN108007408B (en) | 2017-12-28 | 2017-12-28 | Automatic injector height measuring device of adjustment |
Country Status (1)
| Country | Link |
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| CN (1) | CN108007408B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443292A (en) * | 2018-12-05 | 2019-03-08 | 无锡六方精工科技有限公司 | A kind of angel measuring instrument and its working method of fuel injector electromagnet |
| CN109990751A (en) * | 2019-04-30 | 2019-07-09 | 广西玉柴机器股份有限公司 | A kind of piston protrusion height measuring device and its application method |
| CN111174742A (en) * | 2020-01-18 | 2020-05-19 | 温州瑞明工业股份有限公司 | Cylinder cover combustion chamber height automatic measuring device |
| CN114111664A (en) * | 2021-12-30 | 2022-03-01 | 重庆长安汽车股份有限公司 | Frameless door glass position accuracy check point detection device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443292A (en) * | 2018-12-05 | 2019-03-08 | 无锡六方精工科技有限公司 | A kind of angel measuring instrument and its working method of fuel injector electromagnet |
| CN109443292B (en) * | 2018-12-05 | 2023-12-05 | 无锡六方精工科技有限公司 | Angle measuring instrument for electromagnet of oil sprayer and working method thereof |
| CN109990751A (en) * | 2019-04-30 | 2019-07-09 | 广西玉柴机器股份有限公司 | A kind of piston protrusion height measuring device and its application method |
| CN109990751B (en) * | 2019-04-30 | 2023-10-24 | 广西玉柴机器股份有限公司 | Piston protrusion height measuring device and use method thereof |
| CN111174742A (en) * | 2020-01-18 | 2020-05-19 | 温州瑞明工业股份有限公司 | Cylinder cover combustion chamber height automatic measuring device |
| CN114111664A (en) * | 2021-12-30 | 2022-03-01 | 重庆长安汽车股份有限公司 | Frameless door glass position accuracy check point detection device |
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| Publication number | Publication date |
|---|---|
| CN108007408B (en) | 2023-10-27 |
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