CN108007408B - Automatic injector height measuring device of adjustment - Google Patents
Automatic injector height measuring device of adjustment Download PDFInfo
- Publication number
- CN108007408B CN108007408B CN201711454710.1A CN201711454710A CN108007408B CN 108007408 B CN108007408 B CN 108007408B CN 201711454710 A CN201711454710 A CN 201711454710A CN 108007408 B CN108007408 B CN 108007408B
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- China
- Prior art keywords
- mounting plate
- measuring
- balance
- limiting
- displacement sensor
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Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims description 17
- 230000006835 compression Effects 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 14
- 239000000446 fuel Substances 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 22
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 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
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 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 an automatic-adjustment oil sprayer height measuring device which comprises a mounting plate provided with a displacement sensor and a measuring block connected with the displacement sensor, wherein at least three support columns for supporting a cylinder cover are arranged on the mounting plate at the periphery of the measuring block, an elastic component is arranged between the mounting plate and the measuring block, a driving component for pushing the mounting plate to move up and down is arranged below the mounting plate, and a balancing mechanism for automatically adjusting the measuring reference surface of the measuring block to be coplanar with the plane of an oil sprayer to be measured is arranged on the driving component. The measuring device can automatically adjust the angle according to the stress condition, and ensures that the measuring reference surface is coplanar with the plane of the oil sprayer, thereby improving the measuring accuracy and reliability.
Description
Technical Field
The invention relates to the field of engine detection equipment, in particular to an automatically-adjusted oil sprayer height measuring device.
Background
In the process of engine assembly, the protruding height of an engine oil injector is usually required to be measured, the existing protruding height measuring device of the engine oil injector is basically fixed, and the measuring reference plane of a displacement sensor and the plane of the oil injector are not in the same plane due to poor positioning consistency of a cylinder cover of the measured oil injector, so that the problem of low accuracy of measuring results is caused.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art, and provides the oil sprayer height measuring device capable of automatically adjusting the coplanarity of a measuring reference plane and a measured oil sprayer plane, so that the measuring accuracy and the measuring reliability can be improved.
The technical scheme of the invention is as follows: the utility model provides an automatic injector height measuring device of adjustment, includes the mounting panel of installation displacement sensor and the measurement piece that links to each other with displacement sensor, be equipped with three piece at least support columns that support the cylinder cap on the peripheral mounting panel of measurement piece, mounting panel and measurement piece between be equipped with elastic component, the mounting panel below be equipped with the drive assembly who promotes this mounting panel and reciprocate, drive assembly on be equipped with the automatically regulated measurement datum plane of measurement piece and the coplanar balance mechanism of measured fuel injector plane.
As a further improvement, the elastic component comprises a bracket connected with the mounting plate and a compression spring arranged between the measuring block and the bracket, and the measuring block is connected with the displacement sensor in a contact manner through a fixing bolt penetrating between the compression spring and the bracket.
Further, a limiting sleeve is sleeved on the periphery of the compression spring, and the limiting sleeve comprises a first limiting part for limiting the deviation of the compression spring and a second limiting part for limiting the deviation of the fixing bolt.
Further, the driving assembly comprises an air cylinder and a lifting plate connected with the air cylinder, and the lifting plate and the mounting plate are coaxially arranged.
Further, a plurality of guide components are arranged on the periphery of the lifting plate, and the guide components are uniformly arranged around the axis of the lifting plate.
Further, the guide assembly comprises a guide sleeve connected with the lifting plate and a guide rod inserted into the guide sleeve and penetrating through the lifting plate.
Further, the balancing mechanism is composed of at least three balancing components, and the balancing components are uniformly arranged around the axis of the mounting plate.
Further, the balance assembly comprises a connecting rod connecting the mounting plate and the driving assembly and a balance spring sleeved on the connecting rod, the connecting rod is in sliding connection with the mounting plate, and the connecting rod is fixedly connected with the driving assembly.
Further, the two ends of the balance spring are respectively propped against the mounting plate and the driving assembly, and the lower part of the balance spring is also sleeved with a balance sleeve for limiting the deviation of the balance spring.
Further, the support columns are uniformly arranged around the axial lead of the mounting plate.
Advantageous effects
Compared with the prior art, the invention has the advantages that:
1. according to the invention, the balance mechanism is arranged between the driving assembly and the mounting plate, so that the horizontal angle of the measuring block can be automatically adjusted according to the stress condition, and the measuring reference plane and the plane of the measured fuel injector are always kept on the same plane, thereby improving the measuring accuracy;
2. according to the invention, the measuring block is in contact with the oil sprayer, and is in contact connection with the displacement sensor through the fixing bolt, so that the displacement sensor is not in direct contact with the oil sprayer, damage or pollution to the oil sprayer caused by burrs or oil quality and the like of the oil sprayer is avoided, the sensor is effectively protected, and the measurement reliability is improved;
3. according to the invention, the limiting structures are respectively arranged on the compression spring, the balance spring and the like, so that the vertical displacement of the straight line of the measuring block can be ensured, and the coplanarity between the measuring reference surface and the plane of the measured fuel injector is further ensured, thereby improving the measuring accuracy;
4. according to the invention, the support column, the balance component and the guide component are arranged in a coaxial and uniformly distributed mode, so that the coaxiality of the upper and lower positions of the measuring block can be ensured, the stress is more uniform, and the coplanarity of the measuring reference surface and the plane of the measured fuel injector is further ensured.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
fig. 3 is an enlarged schematic view of a cross-sectional structure of a stop collar according to the present invention.
Wherein: 1-displacement sensor, 2-mounting panel, 3-measuring block, 4-support column, 5-support, 6-compression spring, 7-fixing bolt, 8-stop collar, 9-cylinder, 10-lifter plate, 11-uide bushing, 12-guide bar, 13-connecting rod, 14-balanced spring, 15-balanced cover, 16-stop bolt, 8 a-first spacing portion, 8 b-second spacing portion.
Detailed Description
The invention will be further described with reference to specific embodiments in the drawings.
Referring to fig. 1-3, the height measuring device of the oil sprayer capable of being automatically adjusted comprises a mounting plate 2 for mounting a displacement sensor 1 and a measuring block 3 connected with the displacement sensor 1, wherein the measuring block 3 is in a T shape, the larger end of the measuring block is upwards arranged and is in contact with the oil sprayer, the smaller end of the measuring block is downwards arranged and can be connected with the displacement sensor 1, at least three support columns 4 for supporting a cylinder cover are arranged on the mounting plate 2 at the periphery of the measuring block 3, each support column 4 is arranged at equal height, all the support columns 4 are uniformly arranged around the axial lead of the mounting plate 2 and are uniformly stressed, an elastic component is arranged between the mounting plate 2 and the measuring block 3, a driving component for pushing the mounting plate 2 to vertically displace is arranged below the mounting plate 2, and a balancing mechanism for automatically adjusting the coplanarity of a measuring reference plane of the measuring block 3 and the plane of the measured oil sprayer is arranged on the driving component. The height measuring device of the oil sprayer can automatically adjust the horizontal angle of the measuring block 3 according to the stress condition so as to ensure that the measuring reference plane and the plane of the measured oil sprayer are always kept on the same plane, thereby improving the measuring accuracy.
Specifically, the elastic component includes the support 5 that links to each other with mounting panel 2 and is located the compression spring 6 between measuring piece 3 and the support 5, and wherein, support 5 bit portal frames, measuring piece 3 are located the top of support 5, and displacement sensor 1 is located the below of support 5, and measuring piece 3 contacts with displacement sensor 1 through the fixing bolt 7 that wears to locate between compression spring 6 and the support 5 and links to each other, and the displacement of measuring piece 3 passes through fixing bolt 7 and transmits for displacement sensor 1, reaches the measuring purpose. The periphery of the compression spring 6 is also sleeved with a limiting sleeve 8, the compression spring 6 and the limiting sleeve 8 are in small clearance fit, the compression spring 6 can slide in the inner cavity of the compression spring 6, the limiting sleeve 8 is in a T shape, a shoulder on the T-shaped limiting sleeve 8 is connected with the support 5 in a contact manner and is arranged on the support 5, meanwhile, the limiting sleeve 8 is sleeved on the fixing bolt 7, namely, the limiting sleeve 8 comprises a first limiting part 8a for limiting the deviation of the compression spring 6 and a second limiting part 8b for limiting the deviation of the fixing bolt 7, the vertical displacement of the measuring block 3 can be ensured, the coplanarity of a measuring reference surface and a plane of a measured fuel injector is further ensured, and therefore the measuring accuracy is improved. According to the invention, the measuring block 3 is in contact with the fuel injector, and is in contact connection with the displacement sensor 1 through the fixing bolt 7, so that the displacement sensor 1 is not in direct contact with the fuel injector, damage or pollution to the fuel injector caused by burrs or oil quality and the like is avoided, the sensor is effectively protected, and the measurement reliability is improved.
The driving assembly comprises an air cylinder 9 and a lifting plate 10 connected with the air cylinder 9, wherein the lifting plate 10 is coaxially arranged with the mounting plate 2, a push rod of the air cylinder 9 is connected with the center of the lifting plate 10, the balance mechanism is positioned in the lifting plate 10, a plurality of guide assemblies are arranged on the periphery of the lifting plate 10 and uniformly distributed around the axial lead of the lifting plate 10, the displacement stability of the lifting plate 10 is improved, and specifically, the guide assemblies comprise a guide sleeve 11 connected with the lifting plate 10 and a guide rod 12 inserted into the guide sleeve 11 and penetrating through the lifting plate 10, and the guide sleeve 11 is in sliding connection with the guide rod 12.
The balance mechanism comprises at least three balance components, the balance components are uniformly distributed around the axial lead of the mounting plate 2, so that the stress is uniform, the mounting plate 2 is ensured not to incline, the balance components comprise a connecting rod 13 connecting the mounting plate 2 and the driving component and a balance spring 14 sleeved on the connecting rod 13, the connecting rod 13 is in sliding connection with the mounting plate 2, a limit bolt 16 is arranged on the connecting rod 13 above the mounting plate 2, the connecting rod 13 is fixedly connected with the driving component, namely the connecting rod 13 is fixedly connected with the lifting plate 10, the lifting plate 10 drives the connecting rod to vertically displace, two ends of the balance spring 14 respectively prop against the mounting plate 2 and the driving component (the lifting plate), the balance spring 14 is compressed by the pressure of the lifting plate 10, so that the mounting plate 2 is pushed to displace, under the elastic buffering action of the balance spring 14, the mounting plate 2 is always vertically moved up and down, the levelness of the mounting plate 2 is automatically adjusted, the measuring surface of the measuring gauge block 3 is ensured to be coplanar with the plane of the fuel injector, and a balance sleeve 15 limiting the deviation of the balance spring 14 is further sleeved on the lower part of the balance spring 14, and the mounting plate 2 is further ensured to vertically move up and down.
When the oil sprayer height measuring device works, the measuring device is placed below a roller way, when a cylinder cover moves to a measuring station, the air cylinder 9 pushes the lifting plate 10 to move upwards, so that the mounting plate 2 is driven to displace upwards, at the moment, under the action of the balancing mechanism, the measuring block 3 always keeps rising vertically, the top surface of the measuring block is contacted with the oil sprayer, the contact surface of the measuring block and the oil sprayer is used as a measuring reference surface, the reading of the displacement sensor 1 at the moment is used as the protruding amount of the oil sprayer as a zero position, then the air cylinder 9 continues to push the lifting plate 10 to rise until the supporting column 4 is contacted with the bottom surface of the cylinder cover, at the moment, under the combined action of the balancing mechanism and the elastic component, the top surface of the measuring block 3 always keeps coplanar with the oil sprayer, at the moment, the reading of the displacement sensor 1 is the protruding height of the oil sprayer, and the air cylinder 9 resets, so that measurement is completed.
While only the preferred embodiments of the present invention have been described above, it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these do not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (6)
1. The utility model provides an automatic injector height measurement device of adjustment, its characterized in that includes mounting panel (2) and the measurement piece (3) that links to each other with displacement sensor (1) of installation displacement sensor (1), be equipped with at least three support column (4) that support the cylinder cap on measurement piece (3) outlying mounting panel (2), mounting panel (2) and measurement piece (3) between be equipped with elastic component, mounting panel (2) below be equipped with the drive assembly that promotes this mounting panel (2) and reciprocate, drive assembly on be equipped with the automatic adjustment measurement datum plane and the coplanar balancing mechanism of measured sprayer plane of measurement piece (3); the balance mechanism comprises at least three balance components, the balance components are uniformly arranged around the axial lead of the mounting plate (2), the balance components comprise a connecting rod (13) connected with the mounting plate (2) and a driving component and a balance spring (14) sleeved on the connecting rod (13), the connecting rod (13) is in sliding connection with the mounting plate (2), the connecting rod (13) is fixedly connected with the driving component, two ends of the balance spring (14) are respectively propped against the mounting plate (2) and the driving component, a balance sleeve (15) for limiting the deviation of the balance spring (14) is sleeved at the lower part of the balance spring (14), and the support column (4) is uniformly arranged around the axial lead of the mounting plate (2).
2. An automatically adjusted fuel injector height measuring device according to claim 1, wherein the elastic assembly comprises a bracket (5) connected with the mounting plate (2) and a compression spring (6) arranged between the measuring block (3) and the bracket (5), and the measuring block (3) is connected with the displacement sensor (1) in a contact manner through a fixing bolt (7) penetrating between the compression spring (6) and the bracket (5).
3. The automatic height-adjusting device for the fuel injector according to claim 2, wherein a limiting sleeve (8) is further sleeved on the periphery of the compression spring (6), and the limiting sleeve (8) comprises a first limiting part (8 a) for limiting the deviation of the compression spring (6) and a second limiting part (8 b) for limiting the deviation of the fixing bolt (7).
4. An automatically adjusted injector height measuring device according to claim 1, wherein the drive assembly comprises a cylinder (9) and a lifter plate (10) connected to the cylinder (9), the lifter plate (10) being coaxially arranged with the mounting plate (2).
5. The device for measuring the height of the fuel injector with automatic adjustment according to claim 4, wherein a plurality of guide assemblies are arranged on the periphery of the lifting plate (10), and the plurality of guide assemblies are uniformly arranged around the axis of the lifting plate (10).
6. The device for measuring the height of the automatically adjusted fuel injector according to claim 5, wherein the guide assembly comprises a guide sleeve (11) connected with the lifting plate (10) and a guide rod (12) inserted into the guide sleeve (11) and penetrating through the lifting plate (10).
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 CN108007408A (en) | 2018-05-08 |
| CN108007408B true CN108007408B (en) | 2023-10-27 |
Family
ID=62062077
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 |
|---|---|
| CN (1) | CN108007408B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
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| CN108007408A (en) | 2018-05-08 |
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