CN212903905U - Device for adjusting position of calibration plate in cylinder sleeve - Google Patents
Device for adjusting position of calibration plate in cylinder sleeve Download PDFInfo
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- CN212903905U CN212903905U CN202021771577.XU CN202021771577U CN212903905U CN 212903905 U CN212903905 U CN 212903905U CN 202021771577 U CN202021771577 U CN 202021771577U CN 212903905 U CN212903905 U CN 212903905U
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Abstract
The utility model provides a device of mark board position in adjusting cylinder liner, including position calibration slider, central setting element, adjusting block, guide rail, horizontal pole, location slider and calibration board, central setting element wears to locate in the position calibration slider, and can relative position mark the slider and reciprocate, and the position is markd the slider and is all slided and set up on the guide rail with adjusting block, and the horizontal pole is connected on the guide rail, and the setting of location slider slides and sets up on the horizontal pole, and the calibration board is connected on central setting element, and can remove along with central setting element. The device can be applied to different cylinder diameters, controls the calibration plate to be on the designated vertical section in the cylinder, and has strong universality.
Description
Technical Field
The utility model relates to an engine in-cylinder velocity field test field especially relates to a device of marking plate position in adjusting the cylinder liner.
Background
The 2D-PIV (two-dimensional image velocity) test in the engine cylinder is important content of engine development, can be used for checking in-cylinder three-dimensional calculation, improving the accuracy of in-cylinder three-dimensional calculation of the engine, can verify the design scheme of a combustion system, and has an important effect on the development of the combustion system of the engine.
During in-cylinder 2D-PIV testing, the flow fields of a plurality of sections in the vertical direction in the cylinder need to be tested, each section needs to be calibrated by the CCD camera, and a calibration plate is required to be placed at a specified section position during calibration. The method for solving the problem that the calibration plate is placed on the designated section in the prior art is to adjust the calibration plate by manufacturing special tools for different cylinder diameters, and the method is poor in universality, prolongs the period of a PIV test, and is high in cost, so that a device capable of solving the problem of adjusting the position of the calibration plate is needed to be developed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adjust device of calibration plate position in the cylinder liner can realize the regulation of calibration plate different vertical cross-section positions in the jar, and the commonality is strong.
The utility model provides a device of mark board position in adjusting cylinder liner, mark slider, central setting element, adjusting block, guide rail, horizontal pole, location slider and mark board including the position, central setting element wears to locate in the slider is markd to the position, and can be relative the slider is markd to the position reciprocates, the position mark slider with adjusting block all slides and sets up on the guide rail, the horizontal pole is connected on the guide rail, the setting of location slider slides and sets up on the horizontal pole, mark the board and connect on the central setting element, and can follow the central setting element removes together.
Furthermore, a through hole is formed in the position calibration sliding block, the central positioning piece penetrates through the through hole, a first threaded hole communicated with the through hole is formed in the side face of the position calibration sliding block, and a first locking bolt used for locking the central positioning piece is arranged in the first threaded hole.
Furthermore, the position calibration sliding block is provided with a first limiting block and a first positioning hole, a guide groove is formed in the guide rail, the position calibration sliding block is clamped on the guide rail through the first limiting block and the guide groove in a matched mode and can slide in the guide groove, and a first positioning bolt used for locking the position calibration sliding block is arranged in the first positioning hole.
Furthermore, the adjusting slide block is provided with a second limiting block and a second positioning hole, a guide groove is formed in the guide rail, the adjusting slide block is clamped on the guide rail through the matching of the second limiting block and the guide groove and can slide in the guide groove, the adjusting slide block and the position calibration slide block are arranged along the length direction of the guide rail, and a second positioning bolt used for locking the adjusting slide block is arranged in the second positioning hole.
Furthermore, the guide rail is provided with a first scale used for indicating the distance from the outer end face of the adjusting slide block to the center line of the guide rail, the outer end face of the adjusting slide block penetrates through the cylinder sleeve, and a pointer is arranged at the position of the position calibration slide block corresponding to the first scale.
Further, the center positioning piece comprises a center rod and a calibration plate connecting rod, one end of the center rod penetrates through the position calibration sliding block and is connected with the calibration plate connecting rod, the calibration plate is connected with the calibration plate connecting rod, and the characteristic surface of the calibration plate coincides with the center line of the center rod.
Furthermore, one end, far away from the position calibration slide block, of the center rod is provided with a limiting hole, and a limiting bolt is installed in the limiting hole.
Furthermore, the cross rod is provided with a second scale used for indicating the distance from the outer end face of the positioning sliding block to the center line of the guide rail, and the cross rod and the guide rail are arranged at an included angle on the same horizontal plane.
Furthermore, the side face of the second scale of the cross rod is provided with an anti-rotation groove, and a second locking bolt used for locking the positioning sliding block is arranged in the anti-rotation groove.
Furthermore, one end face, far away from the guide rail, of the positioning sliding block penetrates through the cylinder sleeve, and the distance from the penetrating face to the center line of the guide rail is equal to the radius of the inner wall of the cylinder sleeve.
The utility model provides a device of calibration plate position in regulation cylinder liner, calibration plate pass through central setting element and connect on the slider is markd to the position, through position and the position of location slider on the horizontal pole of adjustment adjusting block on the guide rail, can realize that the calibration plate in the cylinder liner of different bore is in on the central cross-section of cylinder liner to mark the position of slider on the guide rail through the adjustment position, can realize that the camera is markd to the designated cross-section position of calibration plate in the cylinder.
Drawings
FIG. 1 is a schematic structural diagram of a device for adjusting the position of a calibration plate in a cylinder liner according to the present embodiment;
FIG. 2 is a schematic structural diagram of the position-calibrating slider in this embodiment;
FIG. 3 is a schematic structural view of a center rod in this embodiment;
FIG. 4 is a schematic structural diagram of a calibration plate connecting rod in the present embodiment;
FIG. 5 is a schematic structural diagram of an adjusting slider in the present embodiment;
FIG. 6 is a schematic view of the structure of FIG. 5 in another orientation;
FIG. 7 is a schematic structural diagram of a guide rail according to the present embodiment;
FIG. 8 is a schematic structural view of a cross bar in this embodiment;
FIG. 9 is a schematic structural diagram of a positioning slider in this embodiment;
FIG. 10 is a schematic structural diagram of a calibration plate in this embodiment;
FIG. 11 is a front view of the apparatus of the present embodiment with the camera calibration positioned at the center section;
FIG. 12 is a top view of the apparatus of this embodiment with the camera calibration positioned in the center section;
FIG. 13 is a front view of the apparatus of the present embodiment with camera calibration at a designated cross-section;
fig. 14 is a top view of the apparatus of the present embodiment with camera calibration located at a designated cross-section.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1, the embodiment of the utility model provides an in the cylinder liner in the device setting of regulation cylinder liner internal standard board position in cylinder liner 8, it includes that position calibration slider 1, central setting element 2, adjusting block 3, guide rail 4, horizontal pole 5, location slider 6 and calibration board 7.
Combine as shown in fig. 2, in the position calibration slider 1 was worn to locate by central positioning element 2, and can relative position calibration slider 1 reciprocate, position calibration slider 1 slides and sets up on guide rail 4, and calibration plate 7 connects on central positioning element 2, and can move together along with central positioning element 2, has realized calibration plate 7 altitude direction and horizontal direction's position control in cylinder liner 8, the regulation of different vertical cross section positions promptly.
Specifically, a through hole 11 is formed in the center of the position calibration slider 1, the through hole 11 penetrates through the upper surface and the lower surface of the position calibration slider 1 and is used for installing a center positioning piece 2, the center positioning piece 2 penetrates through the through hole 11, and the position calibration slider 1 moves on the guide rail 4. The side surface of the position calibration slide block 1 is provided with a first threaded hole 12 communicated with the through hole 11, and the first threaded hole 12 is used for installing a first locking bolt 13 so as to fix the position of the central positioning piece 2.
The bottom of the position calibration sliding block 1 is provided with a first limiting block 14, a first sliding groove 15 is formed between the first limiting block 14 and the top of the position calibration sliding block 1, the first sliding grooves 15 are distributed on two opposite side surfaces of the position calibration sliding block 1, and the position calibration sliding block 1 is clamped on the guide rail 4 through the first limiting block 14 and can slide linearly on the guide rail 4. The top surface of the position calibration slide 1 also has a first positioning hole 16, and the first positioning hole 16 is used for installing a first positioning bolt 17 to lock the position calibration slide 1 on the guide rail 4.
The center positioning piece 2 comprises a center rod 21 and a calibration plate connecting rod 22, as shown in fig. 3, the lower end of the center rod 21 is provided with a first thread 211 for connecting the calibration plate connecting rod 22, the upper end of the center rod 21 is provided with a limiting hole 212 at the end far away from the calibration plate connecting rod 22, and a limiting bolt 213 is installed in the limiting hole 212 to control the downward-adjusted maximum amount of the center rod 21 and prevent the center rod 21 from falling into the cylinder.
The upper end of calibration board connecting rod 22 is equipped with connecting hole 221, and the lower extreme is equipped with fixed orifices 222, and position calibration slider 1 is worn to locate by well core rod 21's lower extreme to fix on calibration board connecting rod 22 through connecting hole 221, calibration board 7 passes through the bolt and fixes on calibration board connecting rod 22 with the fixed orifices 222 cooperation, and calibration board 7 vertical setting, calibration board 7's characteristic face and well core rod 21's central line coincidence. The characteristic surface of the calibration plate 7 is the surface opposite to the CCD camera, and the calibration plate 7 can clearly present images in the two-dimensional PIV measuring system by adjusting the distance and the placing angle between the CCD camera and the calibration plate 7.
Specifically, as shown in fig. 4, the calibration plate connecting rod 22 includes a first connecting rod portion 22a and a second connecting rod portion 22b, the first connecting rod portion 22a is disposed below the guide rail 4 in parallel, the connecting hole 221 is located on the first connecting rod portion 22a, the second connecting rod portion 22b is disposed perpendicular to the first connecting rod portion 22a along a vertical direction, the fixing hole 222 is located on the second connecting rod portion 22b, that is, one end of the second connecting rod portion 22b is connected to one end of the first connecting rod portion 22a, the other end of the second connecting rod portion 22b extends toward the cylinder inner bottom, and the first connecting rod portion 22a and the second connecting rod portion 22b are integrally formed. In this embodiment, the number of the fixing holes 222 is two, and the fixing holes are distributed on the second connecting rod portion 22b along the vertical direction, as shown in fig. 10, a through hole 71 is formed at a position of the calibration plate 7 corresponding to the fixing hole 222, a boss 223 is arranged around the fixing hole 222, the calibration plate 7 passes through the through hole 71 and the fixing hole 222 through a bolt to be connected to the calibration plate connecting rod 22, and the back surface of the calibration plate 7 abuts against the boss 223.
The adjusting slide blocks 3 are also arranged on the guide rail 4 in a sliding manner, in this embodiment, the number of the adjusting slide blocks 3 is two, the position calibration slide block 1 is arranged between the two adjusting slide blocks 3, and both the position calibration slide block 1 and the adjusting slide block 3 can slide along the length direction of the guide rail 4. Specifically, as shown in fig. 5 and fig. 6, the bottom of the adjusting slider 3 has a second stopper 31, a second sliding groove 32 is formed between the second stopper 31 and the top of the adjusting slider 3, the second sliding grooves 32 are distributed on two opposite sides of the adjusting slider 3, and the adjusting slider 3 is clamped on the guide rail 4 by the second stopper 31 and can slide linearly on the guide rail 4. The top surface of the adjustment slider 3 also has a second positioning hole 33, and the second positioning hole 33 is used for mounting a second positioning bolt 34 to lock the adjustment slider 3 on the guide rail 4. The outer end surface of the adjusting slider 3 is a first arc surface 35, the first arc surface 35 is tangent to the upper end side surface of the adjusting slider 3, the first arc surface 35 can be fitted with the inner wall of the cylinder sleeve 8, that is, the first arc surface 35 is penetrated through the inner wall of the cylinder sleeve 8, and the distance from the penetrated surface to the central line of the guide rail 4 is equal to the radius of the inner wall of the cylinder sleeve 8.
Referring to fig. 7, the guide rail 4 is lapped on the top surface of the cylinder sleeve 8, the guide rail 4 is provided with a first scale 41 for indicating the distance from the outer end surface of the adjusting slider 3 to the center line of the guide rail 4, and the first scale 41 takes the center line of the guide rail 4 as a zero point. The position calibration slide block 1 is provided with a pointer 18 corresponding to the first scale 41, and the cross section position of the calibration plate 7 can be read through the pointer 18. Specifically, the side of the guide rail 4 is also provided with a mounting hole 42 for mounting the cross bar 5.
The guide rail 4 is provided with a guide groove 43, the guide groove 43 is arranged along the length direction of the guide rail 4, the guide rail 4 is further provided with a slider mounting hole 44, the inner diameter width of the slider mounting hole 44 is larger than the width of the guide groove 43, the slider mounting hole 44 is positioned at one end of the guide groove 43 and is communicated with each other, and the position calibration slider 1 and the two adjusting sliders 3 are respectively assembled on the guide rail 4 through the slider mounting hole 44. The position calibration sliding block 1 is clamped on the guide rail 4 through the matching of the first limiting block 14 and the guide groove 43, the groove wall of the first sliding groove 15 is contacted with the groove wall of the guide groove 43, the position calibration sliding block 1 can slide in the guide groove 43, similarly, the adjusting sliding block 3 is clamped on the guide rail 4 through the matching of the second limiting block 31 and the guide groove 43, the groove wall of the second sliding groove 32 is contacted with the groove wall of the guide groove 43, and the adjusting sliding block 3 can slide in the guide groove 43.
Referring to fig. 8, the end of the cross bar 5 connected to the guide rail 4 is provided with a second external thread 51, and the second external thread 51 is in threaded fit with the mounting hole 42 of the guide rail 4 to fix the cross bar 5 on the guide rail 4. In the present embodiment, the number of the cross bars 5 is two, and the two cross bars are respectively installed on two opposite sides of the guide rail 4 and are on the same axis. Further, the cross bar 5 and the guide rail 4 are arranged at an included angle with each other on the same horizontal plane, for example, the cross bar 5 and the guide rail 4 are arranged in a cross shape on the top surface of the cylinder sleeve 8. The mounting hole 42 of the guide rail 4 is a threaded hole, but not limited thereto. In other embodiments, the mounting holes 42 may be conventional holes, and the cross bar 5 may be fixed to the rail 4 by welding, bonding, or the like.
Each cross rod 5 is provided with a second scale 52 for indicating the distance from the outer end face of the positioning slide block 6 to the center line of the guide rail 4, and the second scale 52 indicates the distance from the end face of the positioning slide block 6 far away from the guide rail 4 to the center line of the guide rail 4, namely the radius of the inner wall of the glass cylinder sleeve 8. The cross bar 5 is provided with an anti-rotation groove 53 on the side of the second scale 52, and a second locking bolt 54 for locking the positioning slide block 6 is arranged in the anti-rotation groove 53. Preferably, the device can cover the adjustment of the section position of the calibration plate 7 with the cylinder diameter of 60 mm-100 mm, is convenient to operate and high in universality, and theoretically, the device can be applied to all cylinder diameters as long as the cross rod 5 and the guide rail 4 are long enough.
Referring to fig. 9, the positioning sliding block 6 is sleeved on the cross rod 5 and can slide on the cross rod 5, and an axial through hole 61 is formed in the middle of the positioning sliding block 6 for the cross rod 5 to pass through. Specifically, the outer end surface of the positioning slider 6 is a second arc surface 62, the second arc surface 62 intersects with the inner wall of the cylinder liner 8, and the distance from the intersecting surface to the center line of the guide rail 4 is equal to the radius of the inner wall of the cylinder liner 8. The side surface of the positioning sliding block 6 is provided with a second threaded hole 63 communicated with the axial through hole 61 for the second locking bolt 54 to penetrate through so as to fix the positioning sliding block 6 at a specific position on the cross rod 5.
When the device of the embodiment is assembled, the two cross rods 5 are respectively installed in the installation holes 42 on the two sides of the guide rail 4 through threaded fit, the second scales 52 of the cross rods 5 are upward during installation, the scales are convenient to read, and the axes of the two cross rods 5 are overlapped after installation; the position calibration slide block 1 and the two adjusting slide blocks 3 are respectively assembled on the guide rail 4 through the slide block mounting holes 44 of the guide rail 4, the position calibration slide block 1 is positioned between the two adjusting slide blocks 3, the three slide blocks can slide on the guide rail 4 along the central line of the guide rail 4, the first positioning bolt 17 and the second positioning bolt 34 are respectively assembled when the position calibration slide block 1 moves to a position to be measured, and the pointer 18 of the position calibration slide block 1 points to one side of the first scale 41; the central rod 21 is arranged in the through hole 11 of the position calibration slide block 1, the lower end of the central rod 21 is assembled with the calibration plate connecting rod 22 through threads and can slide up and down relative to the position calibration slide block 1, and after the position is adjusted, the first locking bolt 13 is screwed into the first threaded hole 12 on the side surface of the position calibration slide block 1 so as to fix the position of the central rod 21; the two positioning sliding blocks 6 are respectively assembled on the corresponding cross bars 5, so that the second arc surfaces 62 are on the outer sides, in order to prevent the positioning sliding blocks 6 from rotating on the cross bars 5, the second locking bolts 54 in the second threaded holes 63 can be screwed into the anti-rotation grooves 53 of the cross bars 5, and the positioning sliding blocks 6 are fixed on the cross bars 5; the calibration plate connecting rod 22 is connected with the calibration plate 7 through a bolt, and after the connection, the characteristic surface of the calibration plate 7 coincides with the central line of the central rod 21, so that the assembly of the device provided by the embodiment is completed.
When the device of the present embodiment is used for calibrating a camera, the device of the present embodiment is assembled first, and after the assembly, the calibration plate 7 needs to be in a vertical state, and as shown in fig. 11 and 12, the first scale 41 of the guide rail 4 and the second scale 52 of the cross bar 5 face upward; then determining the radius of the glass cylinder sleeve 8 to be tested, adjusting the two adjusting sliders 3 and the two positioning sliders 6 to corresponding radius scales according to the radius of the glass cylinder sleeve 8 to be tested, then screwing the second positioning bolts 34 of the adjusting sliders 3 and the second locking bolts 54 of the positioning sliders 6, and fixing the positions of the four sliders to prevent the four sliders from sliding and rotating; adjusting position marks slider 1 and fixes in guide rail 4's zero scale department, then will assemble the utility model discloses an in the glass cylinder liner 8 was put into to the device, this moment, adjusting block 3's first arc surface 35 and positioning block 6's second arc surface 62 just respectively with glass cylinder liner 8's internal surface contact, because two adjusting block 3 scales correspond guide rail 4's first scale 41 and two positioning block 6 scales correspond the second scale 52 of horizontal pole 5 and are the same radius, consequently, the axis of well core rod 21 and the central axis coincidence of glass cylinder liner 8 have been guaranteed, calibration plate 7 centering operation in glass cylinder liner 8 has been realized, at this moment, calibration plate 7 left side characteristic face is on 8 central cross-sections of glass cylinder liner, then through well core rod 21 regulation calibration plate 7 keeps a suitable height in the jar.
Referring to fig. 13 to 14, the position calibration slider 1 is moved left and right to a scale L designated by the guide rail 4, at this time, the scale indicated by the pointer 18 of the position calibration slider 1 on the guide rail 4 is the test section position of the 2D-PIV velocity field (relative to the central section, the central section scale is 0), at this time, the feature plane on the left side of the calibration plate 7 is also at the designated section, and the scale L is the distance from the feature plane of the calibration plate 7 to the center line of the glass cylinder sleeve 8, so that the calibration of the section can be completed.
After the camera is calibrated, the device is taken out of the glass cylinder sleeve 8, the position of the camera and the position of the glass cylinder sleeve 8 are fixed, and then a cylinder cover is arranged above the glass cylinder sleeve 8 to finish the test of a flow field with a specified section (a distance L from the central section) in the 2D-PIV cylinder.
The utility model provides a device of 7 positions of calibration plate in regulation cylinder liner 8, calibration plate 7 is connected on position calibration slider 1 through central setting element 2, through position and the position of location slider 6 on horizontal pole 5 of adjustment adjusting block 3 on guide rail 4, calibration plate 7 in the cylinder liner 8 of different bores can be realized on being in the central cross-section of cylinder liner 8, and through the position of adjustment position calibration slider 1 on guide rail 4, can realize that calibration plate 7 marks the camera in the appointed cross-sectional position in the jar, the efficiency of in-cylinder PIV experiment has been improved, the cost is reduced, the commonality is strong, can directly read the cross-sectional position through the scale simultaneously, and convenient for operation.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a device of mark board position in regulation cylinder liner, its characterized in that, including position calibration slider, central setting element, adjusting block, guide rail, horizontal pole, location slider and calibration board, central setting element wears to locate in the position calibration slider, and can be relative the position calibration slider reciprocates, the position calibration slider with adjusting block all slides and sets up on the guide rail, the horizontal pole is connected on the guide rail, the setting of location slider slides and sets up on the horizontal pole, the calibration board is connected on the central setting element, and can follow the central setting element removes together.
2. The device for adjusting the position of the calibration plate inside the cylinder sleeve according to claim 1, wherein the position calibration slider is provided with a through hole, the center positioning member is inserted into the through hole, a first threaded hole communicated with the through hole is formed in a side surface of the position calibration slider, and a first locking bolt for locking the center positioning member is arranged inside the first threaded hole.
3. The device for adjusting the position of the calibration plate inside the cylinder sleeve according to claim 1, wherein the position calibration slider has a first stopper and a first positioning hole, the guide rail is provided with a guide groove, the position calibration slider is clamped on the guide rail through the first stopper and the guide groove in a matching manner and can slide in the guide groove, and a first positioning bolt for locking the position calibration slider is arranged inside the first positioning hole.
4. The device for adjusting the position of the positioning plate inside the cylinder sleeve according to claim 1, wherein the adjusting slider is provided with a second limiting block and a second positioning hole, the guide rail is provided with a guide groove, the adjusting slider is clamped on the guide rail through the second limiting block and the guide groove in a matching manner and can slide in the guide groove, the adjusting slider and the position calibrating slider are arranged along the length direction of the guide rail, and a second positioning bolt for locking the adjusting slider is arranged inside the second positioning hole.
5. The device for adjusting the position of the calibration plate inside the cylinder sleeve according to claim 1, wherein the guide rail is provided with a first scale for indicating the distance from the outer end surface of the adjusting slider to the center line of the guide rail, the outer end surface of the adjusting slider penetrates through the cylinder sleeve, and the position calibration slider is provided with a pointer corresponding to the first scale.
6. The device for adjusting the position of the calibration plate inside the cylinder sleeve according to claim 1, wherein the central positioning member comprises a central rod and a calibration plate connecting rod, one end of the central rod is inserted into the position calibration slider and connected with the calibration plate connecting rod, the calibration plate is connected with the calibration plate connecting rod, and the characteristic surface of the calibration plate coincides with the central line of the central rod.
7. The device for adjusting the position of the calibration plate inside the cylinder sleeve according to claim 6, wherein a limiting hole is formed in one end of the central rod, which is far away from the position calibration slide block, and a limiting bolt is installed inside the limiting hole.
8. The device for adjusting the position of the positioning plate in the cylinder sleeve as claimed in claim 1, wherein the cross bar is provided with a second scale for indicating the distance from the outer end surface of the positioning slider to the center line of the guide rail, and the cross bar and the guide rail are arranged at an included angle with each other on the same horizontal plane.
9. The device for adjusting the position of the positioning plate inside the cylinder sleeve according to claim 8, wherein an anti-rotation groove is formed in a side surface of the second scale of the cross bar, and a second locking bolt for locking the positioning slider is arranged inside the anti-rotation groove.
10. The device for adjusting the position of the positioning plate in the cylinder sleeve as recited in claim 1, wherein one end surface of the positioning slider, which is far away from the guide rail, penetrates through the cylinder sleeve, and the distance from the penetrating surface to the center line of the guide rail is equal to the radius of the inner wall of the cylinder sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021771577.XU CN212903905U (en) | 2020-08-21 | 2020-08-21 | Device for adjusting position of calibration plate in cylinder sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021771577.XU CN212903905U (en) | 2020-08-21 | 2020-08-21 | Device for adjusting position of calibration plate in cylinder sleeve |
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| CN212903905U true CN212903905U (en) | 2021-04-06 |
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| CN202021771577.XU Active CN212903905U (en) | 2020-08-21 | 2020-08-21 | Device for adjusting position of calibration plate in cylinder sleeve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113358901A (en) * | 2021-06-01 | 2021-09-07 | 中国船舶工业集团公司第七0八研究所 | Be used for suspension type PIV to mark three-dimensional support adjustment mechanism |
-
2020
- 2020-08-21 CN CN202021771577.XU patent/CN212903905U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113358901A (en) * | 2021-06-01 | 2021-09-07 | 中国船舶工业集团公司第七0八研究所 | Be used for suspension type PIV to mark three-dimensional support adjustment mechanism |
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