CN115431065A - A trompil positioner for antenna house - Google Patents
A trompil positioner for antenna house Download PDFInfo
- Publication number
- CN115431065A CN115431065A CN202211153601.7A CN202211153601A CN115431065A CN 115431065 A CN115431065 A CN 115431065A CN 202211153601 A CN202211153601 A CN 202211153601A CN 115431065 A CN115431065 A CN 115431065A
- Authority
- CN
- China
- Prior art keywords
- base
- radome
- bases
- annular plate
- aperture
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
Abstract
The invention relates to the technical field of antennas, and provides a hole opening positioning device for an antenna housing, which comprises: the device comprises a base, two bases and two turntables; the two bases are arranged on the base, the two bases are arranged oppositely, and the distance between the two bases is adjustable; each turntable comprises an annular plate and a disc, the disc is arranged at the edge of the inner wall of the annular plate, a containing cavity for containing the antenna housing is formed by the disc and the inner wall of the annular plate, and a plurality of positioning holes are formed in the annular plate; the two turntables are in one-to-one correspondence with the two bases respectively, and the round discs are rotatably connected with the bases. The hole opening positioning device for the antenna housing can be used for processing holes at two ends of the antenna housing at the same time, so that the working efficiency is improved, and the processing precision of each product is ensured to be consistent, namely, the processing production efficiency and the processing precision of the product are improved, the processing time is reduced, and the waste of human resources is reduced.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to an opening positioning device for an antenna housing.
Background
At present, the exhaust pipe beautifying antenna housing mainly adopts a manual hole opening mode, the manual hole opening speed is relatively slow, the efficiency is low, and the hole opening precision is not high, so that the product reject ratio is high, and the material waste is easily caused. Meanwhile, mass production requires a large amount of human resources, which causes low economic benefits of enterprises.
And, 360 trompils of product are required to the blast pipe antenna house to it is unanimous to require two product concentricity, and the manual work can't be processed, only realizes the product processing through blast pipe antenna house processing frock. In addition, round holes with different diameters are required to be processed at two ends of the exhaust pipe antenna housing for assembling the end covers, and the assembling holes at the two ends of the antenna housing can be assembled with the end covers tightly only if the concentricity is required to be consistent. Meanwhile, the exhaust pipe antenna covers have different specifications, products are different in length, clear requirements are placed on the edge distance and the indexing, the machining process is complex, and common drilling equipment cannot meet the requirements.
Disclosure of Invention
The invention provides a hole opening positioning device for an antenna housing, which is used for solving the problems of lower accuracy and low efficiency of the existing antenna housing hole opening.
The invention provides an opening positioning device for an antenna housing, which comprises: the device comprises a base, two bases and two turntables;
the two bases are arranged on the base, the two bases are arranged oppositely, and the distance between the two bases is adjustable;
each rotary disc comprises an annular plate and a disc, the disc is arranged at the edge of the inner wall of the annular plate, a containing cavity used for containing the antenna housing is formed by the disc and the inner wall of the annular plate, and a plurality of positioning holes are formed in the annular plate;
the two turntables are in one-to-one correspondence with the two bases respectively, and the round discs are rotatably connected with the bases.
According to the opening positioning device for the antenna housing, provided by the invention, a plurality of groups of positioning hole arrays are formed on the plurality of positioning holes, and the plurality of groups of positioning hole arrays are sequentially arranged along the width direction of the annular plate.
According to the hole opening positioning device for the antenna housing, a plurality of positioning holes of each group of positioning hole array are sequentially arranged along the circumferential direction of the annular plate.
According to the opening positioning device for the radome provided by the invention, at least two groups of positioning hole arrays in a plurality of groups of positioning hole arrays are staggered.
According to the opening positioning device for the radome provided by the invention, the inner diameter of the annular plate is configured to be matched with the outer diameter of the radome.
According to the hole positioning device for the radome provided by the invention, one of the two bases is fixedly connected to the base, and the other of the two bases is movably connected to the base.
According to the hole-opening positioning device for the antenna housing, provided by the invention, the two bases are respectively a first base and a second base;
the first base comprises a first connecting part, a first supporting part and a first connecting shaft, the first supporting part is connected with the first connecting part, and the first connecting shaft is arranged on the first supporting part; the second base comprises a second connecting part, a second supporting part and a second connecting shaft, the second supporting part is connected with the second connecting part, and the second connecting shaft is arranged on the second supporting part; the two disks are respectively in one-to-one corresponding rotary connection with the first connecting shaft and the second connecting shaft;
the first connecting portion is fixedly connected with the base, and the second connecting portion is movably connected with the base.
According to the hole positioning device for the radome, the two disks are respectively connected with the first connecting shaft and the second connecting shaft through bearings.
According to the hole positioning device for the radome provided by the invention, the second connecting part is provided with a mounting groove, the base is provided with a plurality of mounting holes, the plurality of mounting holes are sequentially arranged along the width direction of the annular plate, and the mounting groove can be selectively aligned with the plurality of mounting holes.
According to the hole positioning device for the antenna housing, the base is provided with the supporting seat, one surface, away from the base, of the supporting seat is provided with the supporting surface, and the supporting surface is configured to be matched with the antenna housing.
According to the hole-opening positioning device for the antenna housing, provided by the invention, the distance between the first rotary table and the second rotary table is adjusted according to the length of the antenna housing, one end of the antenna housing is accommodated in the accommodating cavity of the first rotary table, the other end of the antenna housing is accommodated in the accommodating cavity of the second rotary table, one end of the antenna housing is abutted against the disc of the first rotary table, the other end of the antenna housing is abutted against the disc of the second rotary table, the antenna housing can be drilled through the positioning hole, and the antenna housing is continuously rotated to complete the drilling operation of the whole antenna housing. Can process the trompil to antenna house both ends simultaneously, when having improved work efficiency, also guarantee that every product machining precision is unanimous, that is to say, not only improve the processing production efficiency and the machining precision of product, reduce process time, reduced the waste of manpower resources moreover.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a side view of an aperture locating device for a radome provided by the present invention;
fig. 2 is a schematic structural diagram of an aperture positioning device for a radome provided by the present invention;
FIG. 3 is a schematic structural diagram of a second base provided in the present invention;
FIG. 4 is a schematic structural diagram of a first base provided by the present invention;
FIG. 5 is a schematic structural diagram of a second turntable provided in the present invention;
reference numerals are as follows:
1. a base; 2. a second base; 21. a second connecting shaft; 22. a second support portion; 23. a second connecting portion; 3. a first base; 31. a first connecting shaft; 32. a first support section; 33. a first connection portion; 4. a second turntable; 41. a disc; 42. an annular plate; 43. positioning holes; 44. a bearing bore; 5. a first turntable; 6. an antenna cover; 7. a supporting seat; 8. mounting holes; 9. and (4) mounting the groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The features of the terms first and second in the description and in the claims of the invention may explicitly or implicitly include one or more of these features. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/", and generally means that the former and latter related objects are in an "or" relationship.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, 2 and 5, an aperture positioning device for a radome according to an embodiment of the present invention includes: base 1, two bases and two carousels.
Wherein the base 1 serves as a table for arranging the components required for machining the radome 6.
On base 1 was all located to two bases, two bases set up relatively, and the interval is adjustable between two bases, that is to say, the interval is adjusted according to the length of antenna house 6 between two bases to the antenna house 6 of the different length of adaptation, thereby promote machining efficiency.
The turntables include a first turntable 5 and a second turntable 4, the first turntable 5 and the second turntable 4 have the same structure, and the second turntable 4 is specifically described below as an example.
The second rotary table 4 comprises an annular plate 42 and a circular disc 41, the circular disc 41 is arranged at the edge of the inner wall of the annular plate 42, the circular disc 41 and the inner wall of the annular plate 42 form a containing cavity for containing the antenna housing 6, and the annular plate 42 is provided with a plurality of positioning holes 43.
That is to say, first carousel 5 and second carousel 4 set up relatively, and the chamber of accomodating in first carousel 5 is accomodate to the one end of antenna house 6 this moment, and the chamber of accomodating in second carousel 4 is accomodate to the other end of antenna house 6, can bore the antenna house 6 through the locating hole this moment. The radome 6 is horizontal to the base 1.
Two carousels respectively with two base one-to-one, the disc rotates with the base to be connected, that is to say, antenna house 6 can realize rotating relative base 1.
In the embodiment of the invention, the distance between the first rotary disc 5 and the second rotary disc 4 is adjusted according to the length of the antenna housing 6, one end of the antenna housing 6 is accommodated in the accommodating cavity of the first rotary disc 5, the other end of the antenna housing 6 is accommodated in the accommodating cavity of the second rotary disc 4, one end of the antenna housing 6 is abutted against the disc of the first rotary disc 5, the other end of the antenna housing 6 is abutted against the disc of the second rotary disc 4, the antenna housing 6 can be drilled through the positioning hole, and the antenna housing 6 is continuously rotated to complete the drilling operation of the whole antenna housing 6. The hole opening positioning device for the antenna housing can be used for simultaneously processing holes at two ends of the antenna housing 6, so that the working efficiency is improved, and the processing precision of each product is consistent, namely, the processing production efficiency and the processing precision of the product are improved, the processing time is reduced, and the waste of human resources is reduced.
In an alternative embodiment, as shown in fig. 5, the plurality of positioning holes 43 is formed with a plurality of sets of positioning hole arrays, which are arranged in order in the width direction of the annular plate 42.
It should be noted that the shapes and sizes of the positioning holes 43 included in the multiple sets of positioning hole arrays may be different, and may be selected according to actual working conditions, which is not specifically limited herein.
For example, three sets of positioning hole arrays are arranged at equal intervals in sequence in the width direction of the annular plate 42.
In an alternative embodiment, the plurality of positioning holes 43 of each set of positioning hole array are arranged in sequence in the circumferential direction of the annular plate 42.
That is, the plurality of positioning holes 43 are arranged at equal intervals in order in the circumferential direction of the annular plate 42 to form a set of positioning hole arrays.
In an alternative embodiment, at least two positioning hole arrays of the plurality of positioning hole arrays are staggered.
For example, three sets of positioning hole arrays are arranged at equal intervals in sequence in the width direction of the annular plate 42. At this time, the first group of positioning hole arrays and the third group of positioning hole arrays are arranged in alignment, and the second group of positioning hole arrays positioned between the first group of positioning hole arrays and the third group of positioning hole arrays are arranged in a staggered manner with the first group of positioning hole arrays and the third group of positioning hole arrays.
It should be particularly noted that the arrangement of the positioning holes 43 can be selected according to the actual processing requirement of the radome 6, and is not specifically limited herein.
In an alternative embodiment, the inner diameter of the annular plate 42 is configured to fit the outer diameter of the radome 6.
It should be noted that the inner diameter of the annular plate 42 is equal to the outer diameter of the radome 6, or the outer diameter of the radome 6 is slightly larger than the inner diameter of the annular plate 42, so that the annular plate 42 is in close contact with the radome 6, and the processing precision is prevented from being affected by the deviation of the annular plate 42 and the radome 6 in the processing process.
In an alternative embodiment, one of the two bases is fixedly connected to the base 1, and the other of the two bases is movably connected to the base 1.
It should be noted that the base can be slidably connected to the base 1, for example, the sliding connection is realized by the limit fit of the guide rail and the sliding block.
In an alternative embodiment, as shown in fig. 3 and 4, the two bases are the first base 3 and the second base 2, respectively.
The first base 3 includes a first connecting portion 33, a first supporting portion 32 and a first connecting shaft 31, the first supporting portion 32 is connected to the first connecting portion 33, and the first connecting shaft 31 is disposed on the first supporting portion 32.
The second base 2 includes a second connecting portion 23, a second supporting portion 22, and a second connecting shaft 21, the second supporting portion 22 is connected to the second connecting portion 23, and the second connecting shaft 21 is disposed on the second supporting portion 22.
The discs of the first turntable 5 are rotatably connected to the first connecting shaft 31 and the discs of the second turntable 4 are rotatably connected to the second connecting shaft 21.
The first connecting portion 33 is fixedly connected with the base 1, and the second connecting portion 23 is movably connected with the base 1.
For example, the first connecting shaft 31 is inserted through the disc of the first rotating disc 5, the disc of the first rotating disc 5 can rotate relative to the first connecting shaft 31, the second connecting shaft 21 is inserted through the disc of the second rotating disc 4, and the disc of the second rotating disc 4 can rotate relative to the second connecting shaft 21.
It should be noted that the first connecting portion 33 and the base 1 may be connected by welding or by fastening.
In an alternative embodiment, as shown in fig. 5, the discs of the second turntable 4 may be rotated relative to the second connecting shaft 21 in order to achieve that the discs of the first turntable 5 may be rotated relative to the first connecting shaft 31. Both discs are connected to the first connecting shaft 31 and the second connecting shaft 21, respectively, by means of bearings.
It should be noted that a bearing hole is formed in the center of the disk of the first rotating disk 5, a rolling bearing is installed in the bearing hole, and the first connecting shaft 31 is connected to the disk of the first rotating disk 5 through the rolling bearing. A bearing hole 44 is formed in the center of the disk of the second rotating disk 4, a rolling bearing is installed in the bearing hole 44, and the second connecting shaft 21 is connected with the disk of the second rotating disk 4 through the rolling bearing.
In an alternative embodiment, in order to realize the adjustment of the distance between the first base 3 and the second base 2, the second connecting portion 23 is provided with a mounting groove 9, the mounting groove 9 may be elongated, the base 1 is provided with a plurality of mounting holes 8, the plurality of mounting holes 8 are sequentially arranged along the width direction of the annular plate 42, and the mounting groove 9 may be selectively aligned with the plurality of mounting holes 8.
It should be noted that the second base 2 can be fixed on the base 1 by the fastening member sequentially passing through the mounting groove 9 and the mounting hole 8.
For example, eight mounting holes 8 are formed in the base 1, the fasteners sequentially penetrate through the mounting grooves 9 and the first four mounting holes 8, the distance between the first base 3 and the second base 2 is a first distance, the fasteners sequentially penetrate through the mounting grooves 9 and the rear four mounting holes 8, the distance between the first base 3 and the second base 2 is a second distance, and the second distance is larger than the first distance.
In an alternative embodiment, the base 1 is provided with a support seat 7, and a support surface is provided on a surface of the support seat 7 facing away from the base 1, and the support surface is configured to be matched with the radome 6.
It should be noted that, under the condition that the antenna housing 6 is in a cylindrical shape, the supporting surface is an arc-shaped surface, and at this time, the bottom of the antenna housing 6 can be tightly attached to the supporting surface, wherein the supporting seat 7 is arranged between the first base 3 and the second base 2, and the number of the supporting seats 7 can be selected according to the distance between the first base 3 and the second base 2, which is not specifically limited herein.
In an alternative embodiment, the first base 3 further comprises first fixing pins, which are arranged on the disc of the first turntable 5 for fixing the radome 6.
And/or the second base 2 further comprises a second fixing pin, and the second fixing pin is arranged on the disc of the second turntable 4 and used for fixing the antenna housing 6.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An aperture locating device for a radome, comprising: the device comprises a base, two bases and two turntables;
the two bases are arranged on the base and are arranged oppositely, and the distance between the two bases is adjustable;
each rotary disc comprises an annular plate and a disc, the disc is arranged at the edge of the inner wall of the annular plate, a containing cavity used for containing the antenna housing is formed by the disc and the inner wall of the annular plate, and a plurality of positioning holes are formed in the annular plate;
the two turnplates are respectively in one-to-one correspondence with the two bases, and the disks are rotatably connected with the bases.
2. The aperture-positioning device for a radome of claim 1, wherein the plurality of positioning holes are formed with a plurality of sets of positioning hole arrays, the plurality of sets of positioning hole arrays being arranged in order in a width direction of the annular plate.
3. The aperture positioning device for a radome of claim 2, wherein a plurality of the positioning holes of each group of the positioning hole array are arranged in sequence in a circumferential direction of the annular plate.
4. The aperture-positioning device for a radome of claim 2, wherein at least two of the positioning hole arrays in the plurality of positioning hole arrays are staggered.
5. The aperture positioning device for a radome of claim 1, wherein an inner diameter of the annular plate is configured to fit an outer diameter of the radome.
6. The aperture-locating device for a radome of claim 1 wherein one of the two bases is fixedly attached to the base and the other of the two bases is movably attached to the base.
7. The aperture positioning device for the radome of claim 6, wherein the two bases are a first base and a second base, respectively;
the first base comprises a first connecting part, a first supporting part and a first connecting shaft, the first supporting part is connected with the first connecting part, and the first connecting shaft is arranged on the first supporting part; the second base comprises a second connecting part, a second supporting part and a second connecting shaft, the second supporting part is connected with the second connecting part, and the second connecting shaft is arranged on the second supporting part; the two disks are respectively in one-to-one corresponding rotary connection with the first connecting shaft and the second connecting shaft;
the first connecting portion is fixedly connected with the base, and the second connecting portion is movably connected with the base.
8. The aperture positioning device for a radome of claim 7, wherein both of the disks are connected to the first connection shaft and the second connection shaft, respectively, by bearings.
9. The aperture positioning device for the radome of claim 7, wherein a mounting groove is provided on the second connection portion, a plurality of mounting holes are provided on the base, the plurality of mounting holes are sequentially arranged along a width direction of the annular plate, and the mounting groove is selectively alignable with the plurality of mounting holes.
10. The aperture positioning device for the radome of claim 1, wherein the base is provided with a support seat, and a support surface is arranged on a surface of the support seat facing away from the base, and is configured to be matched with the radome.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211153601.7A CN115431065A (en) | 2022-09-21 | 2022-09-21 | A trompil positioner for antenna house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211153601.7A CN115431065A (en) | 2022-09-21 | 2022-09-21 | A trompil positioner for antenna house |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115431065A true CN115431065A (en) | 2022-12-06 |
Family
ID=84248403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211153601.7A Pending CN115431065A (en) | 2022-09-21 | 2022-09-21 | A trompil positioner for antenna house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115431065A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6937476B1 (en) * | 2004-02-06 | 2005-08-30 | Hon Hai Precision Industry Co., Ltd. | Mounting apparatus for motherboard |
| CN204263237U (en) * | 2014-11-25 | 2015-04-15 | 南京华格电汽塑业有限公司 | A kind of circular antenna cover punching positioner |
| CN212496687U (en) * | 2020-05-28 | 2021-02-09 | 安徽省黄山台钻有限公司 | Rotary multi-station drilling and reaming tool |
| US20220120417A1 (en) * | 2019-11-20 | 2022-04-21 | Opple Lighting Co., Ltd. | Fixing base, lamp fixing device and lamp |
-
2022
- 2022-09-21 CN CN202211153601.7A patent/CN115431065A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6937476B1 (en) * | 2004-02-06 | 2005-08-30 | Hon Hai Precision Industry Co., Ltd. | Mounting apparatus for motherboard |
| CN204263237U (en) * | 2014-11-25 | 2015-04-15 | 南京华格电汽塑业有限公司 | A kind of circular antenna cover punching positioner |
| US20220120417A1 (en) * | 2019-11-20 | 2022-04-21 | Opple Lighting Co., Ltd. | Fixing base, lamp fixing device and lamp |
| CN212496687U (en) * | 2020-05-28 | 2021-02-09 | 安徽省黄山台钻有限公司 | Rotary multi-station drilling and reaming tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107193203B (en) | Automatic drilling and punching machine for electronic watch watchband and using method | |
| CN211465613U (en) | Adjustable crankshaft clamp | |
| CN115431065A (en) | A trompil positioner for antenna house | |
| CN207971695U (en) | Fixed angle rotary tooling | |
| JP2827382B2 (en) | Method and apparatus for distributing balls in ball bearings | |
| JP2004020520A (en) | Endurance testing apparatus for ball screw | |
| IL31680A (en) | A method of mounting magnetic heads in relationship to rotating magnetic discs | |
| CN116973119B (en) | Clamping mechanism of test bed of variable-diameter miniature turbojet engine | |
| CN114061945A (en) | Precision spindle rotation error measurement and separation experimental device | |
| CN111774606A (en) | Deep hole drilling equipment for drilling assembly holes of aluminum profile extruded products | |
| CN209830505U (en) | Major diameter sprocket base member processing frock | |
| US20030029697A1 (en) | Rotary transfer machine | |
| CN215672863U (en) | Oblique flow fan blade capable of being assembled at rotatable angle | |
| CN218873869U (en) | Positioning device for two faces of retainer | |
| CN211939906U (en) | Milling and clamping device for machining grooved wheel | |
| CN111547497A (en) | Blank and bottle taking and feeding device of bottle blowing machine | |
| CN220398579U (en) | Tool clamp for testing attitude and multi-position of missile-borne inertial navigation system | |
| CN220807003U (en) | Multi-position linkage type clamping device | |
| CN212495552U (en) | Drilling machining device for spherical valve core | |
| CN219829677U (en) | Turntable bearing mounting hole position deviation detection die | |
| CN114438467B (en) | Coating clamp and coating machine | |
| US3824572A (en) | Alignable disk pack | |
| CN210466910U (en) | Probability model teaching aid for mathematical education | |
| CN219818078U (en) | Circular shaft clamping disc | |
| US7234227B1 (en) | Methods for centering disks in a magnetic disk assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |