CN111999838A - Adjusting component for adjusting distance between connected pieces and connecting device - Google Patents
Adjusting component for adjusting distance between connected pieces and connecting device Download PDFInfo
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- CN111999838A CN111999838A CN202010666520.1A CN202010666520A CN111999838A CN 111999838 A CN111999838 A CN 111999838A CN 202010666520 A CN202010666520 A CN 202010666520A CN 111999838 A CN111999838 A CN 111999838A
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- 230000003287 optical effect Effects 0.000 claims description 13
- 238000003825 pressing Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
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Abstract
The invention provides an adjusting component and a connecting device for adjusting the distance between two connected pieces, and solves the problems that the distance between two connected pieces is easily adjusted by screws, stress concentration is easy to occur, the connected pieces are adjusted more singly, and the movement stability is poor. The device comprises a first connected piece, a second connected piece and at least three adjusting components; each adjusting component comprises a locking and tensioning screw assembly for fixing two connected pieces and an adjusting assembly for adjusting the distance between the two connected pieces, and each adjusting assembly comprises an external pressure spring, a pressure plate, a jacking screw, an adjusting bracket arranged on the second connected piece and a moving column with a ball socket arranged on the inner end surface; one end of the pressure plate is provided with an annular outer spring bracket, and the middle part of the other end of the pressure plate is provided with an adjusting ball head; one end of the outer pressure spring is sleeved on the annular outer spring bracket, and the other end of the outer pressure spring is arranged on the first connected piece; the moving column is assembled in the second connected piece, and the ball socket is matched with the adjusting ball head; the jacking screw penetrates through the threaded hole in the adjusting bracket and abuts against the end face of the movable column.
Description
Technical Field
The invention relates to a connecting piece distance adjusting device, in particular to an adjusting assembly and a connecting device for adjusting the distance of a connected piece.
Background
In an optical precision device, the distance between two connected pieces is frequently required to be finely adjusted, the two connected pieces are a first connected piece and a second connected piece which are arranged in parallel respectively, the second connected piece is a fixing piece generally, an optical lens is installed on the first connected piece, a screw penetrates through the second connected piece, the end part of the screw abuts against the end surface of the first connected piece, the screw is rotated to enable the first connected piece to move close to or far away from the second connected piece, the fine adjustment of the distance between the first connected piece and the second connected piece is realized, and after the adjustment is completed, the first connected piece and the second connected piece are fixed through a locking tensioning screw. But the distance between the two connected pieces is adjusted through the screw, so that stress concentration is easy to occur, and the flatness of the first connected piece is influenced; the existing adjusting process can only realize the translation of the first connected piece relative to the second connected piece, the degree of freedom adjustment of the first connected piece (optical lens) is single, and the moving stability of the first connected piece is poor.
Disclosure of Invention
The invention provides an adjusting assembly for adjusting the distance between two connected pieces and the two connected pieces, and aims to solve the technical problems that stress concentration is easy to occur to affect the flatness of the connected pieces, the connected pieces are adjusted more singly and the movement stability is poor when screws are adopted to finely adjust the distance between the two connected pieces in the prior art.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
an adjusting component for adjusting the distance between connected parts is characterized in that: the ball-and-socket joint comprises a spring ball head unit arranged on a first connected piece and a movable ball-and-socket unit arranged on a second connected piece;
the spring ball head unit comprises an outer pressure spring and a pressure plate; one end of the pressure plate is provided with an annular outer spring bracket, and the middle part of the other end of the pressure plate is provided with an adjusting ball head; one end of the outer pressure spring is sleeved on the annular outer spring support and abuts against the pressure plate, and the other end of the outer pressure spring is used for abutting against or being connected to the first connected piece;
the movable ball socket unit comprises a jacking screw, an adjusting bracket and a movable column of which the inner end surface is provided with a ball socket; the moving column is used for being assembled in the through hole of the second connected piece; the adjusting bracket is used for being fixedly arranged on the second connected piece, and a threaded hole is formed in the adjusting bracket; the jacking screw penetrates through the threaded hole and abuts against the outer end face of the movable column;
and the ball socket of the moving column is matched with the adjusting ball head of the pressing plate.
Further, the device also comprises an inner pressure spring coaxially arranged in the outer pressure spring;
an inner spring column coaxial with the annular outer spring support is arranged in the middle of one end of the pressing plate;
one end of the inner pressure spring is sleeved on the inner spring column, and the other end of the inner pressure spring is used for abutting against or being connected to the first connected piece.
Meanwhile, the invention provides a connecting device, which comprises a first connected piece and a second connected piece, and is characterized in that: the device also comprises at least three adjusting components;
each adjusting part comprises a locking tensioning screw assembly for fixing the first connected piece and the second connected piece and an adjusting assembly for adjusting the distance between the first connected piece and the second connected piece, wherein the adjusting assembly is used for adjusting the distance between the connected pieces.
Furthermore, an outer spring seat is arranged on the first connected piece and is an annular groove;
the second connected piece is provided with a through hole which is a step through hole and comprises a first through hole and a second through hole with diameters sequentially reduced, and the first through hole is arranged close to the first connected piece;
the pressing plate is arranged in the first through hole, and the annular outer spring support of the pressing plate extends into the annular groove;
the outer pressure spring is arranged in the annular groove, one end of the outer pressure spring is sleeved on the annular outer spring support, and the other end of the outer pressure spring abuts against or is connected to the bottom surface of the annular groove;
the movable column is arranged in the second through hole.
Furthermore, the spring ball head unit also comprises an inner pressure spring coaxially arranged in the outer pressure spring;
the first connected piece is provided with an inner spring seat which is a cylindrical groove;
the middle part of one end of the pressure plate is provided with an inner spring column extending into the inner spring seat;
the inner pressure spring is arranged in the cylindrical groove, one end of the inner pressure spring is sleeved on the inner spring column, and the other end of the inner pressure spring is abutted against or connected to the bottom surface of the cylindrical groove.
Further, the first connected piece is a lens base, and the front end surface of the first connected piece is used for installing an optical lens;
the second connected piece comprises a supporting seat and a connecting plate, the connecting plate is arranged on the rear end face of the microscope base, the supporting seat is of a hollow frame body structure sleeved on the outer sides of the microscope base and the connecting plate, and the connecting plate is fixedly connected with the supporting seat;
the movable ball socket unit is mounted on the connecting plate.
Further, the number of the adjusting components is 4, and the 4 adjusting components are arranged in a rectangular shape;
or the number of the adjusting components is 3, and the 3 adjusting components are arranged in a triangular shape.
Furthermore, the microscope base is provided with connecting tables, the number of the connecting tables is equal to that of the adjusting parts, and the positions of the connecting tables correspond to those of the adjusting parts one by one; the inner spring seat and the outer spring seat are both arranged on the connecting platform.
Further, the side of the connecting table is provided with an open slot for reducing stress.
Further, the locking tensioning screw assembly comprises a locking tensioning screw and a spherical washer disposed on the locking tensioning screw;
the locking tensioning screw passes through the mounting through hole on the connecting plate of the second connected piece and then is in threaded connection with the microscope base;
the lens base is provided with a central through hole.
Compared with the prior art, the invention has the advantages that:
1. according to the adjusting assembly, the pressing plate can move away from the adjusting support by rotating the jacking screw, so that the pressing plate pushes the first connected piece to move away from the second connected piece to move horizontally, and the distance between the first connected piece and the second connected piece can be adjusted to be increased; and the jacking screw is rotated reversely, and the first connected piece is close to the second connected piece to translate due to the elastic restoring force of the outer pressure spring, so that the distance between the first connected piece and the second connected piece can be reduced. The adjusting ball head on the end face of the pressing plate is in contact fit with the ball socket on the end face of the moving column through a spherical surface, if the pressing plate and the moving column slightly deviate, the pressing plate can be quickly restored to a centering position through the spherical surface, and the outer pressure spring is of an annular structure, so that the moving stability of the pressing plate is guaranteed.
2. The adjusting assembly also comprises an inner pressure spring, so that a guiding effect is provided for the movement process of the outer pressure spring, and the moving stability of the pressure plate is further improved.
3. According to the connecting device, the outer spring seat is arranged on the first connected piece, so that an outer pressure spring accommodating space is provided, the moving stability of the outer pressure spring is improved, the moving stability of the pressing plate is further improved, and the position adjusting precision of the optical lens mounted on the first connected piece is ensured.
4. In order to facilitate the connection of the first connected piece and the adjusting component, a connecting table matched with the adjusting component is arranged on the first connected piece; an open slot may be provided in the connecting station for reducing the influence of the connecting stress on the surface shape of the optical lens mounted on the first connected member.
5. The number of the adjusting parts can be 4, the adjusting parts are arranged in a rectangular shape, the 4 adjusting parts form a four-point adjusting assembly, the four-point adjusting assembly is carried out by adopting a right-angle jacking principle, and the lower left corner is a fixed adjusting point and serves as an adjusting reference; the upper left corner adjustment point is up-down pitching rotation adjustment, the lower right corner adjustment point is left-right azimuth rotation adjustment, the upper right corner is used as a locking point to be locked and fixed, adjustment in two freedom directions of a first connected piece (optical lens on the lens base) can be achieved, and the adjustment mode is simple.
6. The lens base is provided with the central through hole, so that the weight of the lens base can be reduced; and can also be used as a fabrication hole when the optical lens is assembled.
Drawings
FIG. 1 is a schematic view of an adjusting assembly for adjusting the distance between connected members according to the present invention;
FIG. 2 is a cross-sectional view of the attachment of the present invention (the locking tensioning screw assembly is not shown);
FIG. 3 is a schematic view of the coupling device of the present invention showing the mating of the lens holder and the coupling plate;
FIG. 4 is a cross-sectional view of an adjustment assembly of the coupling device of the present invention;
FIG. 5 is a schematic view of the lens holder of the connecting device of the present invention;
wherein the reference numbers are as follows:
1-a first connected piece, 12-a central through hole, 13-a connecting table, 131-an open slot, 14-an outer spring seat, 15-an inner spring seat, 2-a second connected piece, 21-a supporting seat, 22-a connecting plate, 23-a through hole, 231-a first through hole, 232-a second through hole, 233-an annular limiting boss, 4-an adjusting screw, 5-an adjusting component, 51-an outer pressure spring, 52-a pressing plate, 521-an annular outer spring support, 522-an adjusting ball head, 523-an inner spring column, 53-a moving column, 54-an adjusting support, 55-a tightening screw and 56-an inner pressure spring; 6-locking tensioning screw assembly, 61-locking tensioning screw, 62-spherical washer, 7-optical lens.
Detailed Description
The invention is described in further detail below with reference to the figures and specific embodiments.
As shown in fig. 2 and 3, a connecting device includes a first connected member 1, a connecting plate 22, and at least three adjusting members, the first connected member 1 being an adjusting member, and the second connected member 2 being a fixing member. In the embodiment, the first connected piece 1 can be a lens base, the front end surface of the lens base is provided with an optical lens 7, and the lens base is provided with a central through hole 12 which can be an assembling hole or a lightening hole; the second is by connecting piece 2 including supporting seat 21 and connecting plate 22, and connecting plate 22 sets up at mirror base rear end face, and supporting seat 21 is the cavity support body structure of suit in the mirror base and the connecting plate 22 outside, and connecting plate 22 links firmly through adjusting screw 4 with supporting seat 21.
As shown in fig. 1 and 4, each adjusting member comprises an adjusting assembly 5 for adjusting the distance between the mirror base and the connecting plate 22 and a locking tension screw assembly 6 for fixing the mirror base and the connecting plate 22; the adjusting component 5 comprises an external pressure spring 51, a pressure plate 52, a moving column 53 with a ball socket on the inner end surface, an adjusting bracket 54 and a jacking screw 55 which are arranged in sequence from front to back; as shown in fig. 5, in the present embodiment, the rear end surface of the mirror base is provided with connecting stages 13 for matching with the adjusting components, the number of the connecting stages 13 is equal to the number of the adjusting components, and the positions of the connecting stages 13 correspond to the positions of the adjusting components one by one; the connecting platform 13 is provided with an outer spring seat 14, and the outer spring seat 14 is an annular groove; the through holes 23 on the connecting plate 22 are step through holes, and comprise a first through hole 231 and a second through hole 232 which are sequentially reduced in diameter from front to back; the pressing plate 52 is arranged in the first through hole 231, the front end face of the pressing plate 52 is provided with an annular outer spring support 521 extending into the annular groove, and the middle part of the rear end face of the pressing plate 52 is provided with an adjusting ball head 522; the outer pressure spring 51 is arranged in the annular groove, the front end of the outer pressure spring 51 is limited by the bottom surface of the annular groove, and the rear end of the outer pressure spring is sleeved on the annular outer spring support 521 and abuts against the pressure plate 52; the moving column 53 is arranged in the second through hole 232, a ball socket of the inner end surface is arranged on the adjusting ball head 522, and the inner wall of the outer side of the second through hole 232 is provided with an annular limiting boss 233; the adjusting bracket 54 is fixedly arranged on the rear end face of the connecting plate 22 through a screw, and a threaded hole is formed in the adjusting bracket 54; the jacking screw 55 passes through the threaded hole and abuts against the outer end face of the moving column 53; the ball socket of the moving column 53 is matched with the adjusting ball head 522 of the pressure plate 52; the external compression spring 51, the adjusting ball head 522, the moving column 53 and the jacking screw 55 are coaxially arranged. In the process of tensioning and adjusting, the external pressure spring always keeps pretightening force.
In order to improve the moving stability of the lens base, the rear end surface of the connecting table 13 is provided with an inner spring base 15, and the inner spring base 15 is a cylindrical groove coaxially arranged in the annular groove; the middle part of the front end of the pressure plate 52 is provided with an inner spring column 523 extending into the column groove; an inner compression spring 56 is arranged in the cylindrical groove, the front end of the inner compression spring 56 is limited through the bottom surface of the cylindrical groove, the rear end of the inner compression spring is sleeved on the inner spring column 523 and abuts against the pressing plate 52, and the inner spring seat 15 and the inner spring column 523 are matched to provide a guiding effect for the movement of the pressing plate 52.
The locking tensioning screw assembly 6 comprises a locking tensioning screw 61 and a spherical washer 62 arranged on the locking tensioning screw 61; the locking tension screw 61 passes through the mounting through hole on the connecting plate 22, and the end surface is in threaded connection with the lens base for fixing the lens base and the connecting plate 22.
In order to improve the adjustment precision of the optical lens 7 on the lens base and increase the adjustment linear displacement reference, in this embodiment, the connecting plate 22 has a rectangular structure, the number of the adjusting components is 4, the 4 adjusting components are arranged at four corners of the connecting plate 22 in a rectangular shape, the 4 adjusting components form a four-point adjusting assembly, the adjusting principle is performed by adopting a right-angle top pulling principle, the lower left-corner adjusting component is a fixed adjusting point and serves as an adjustment reference and an adjustment fulcrum; the upper left corner adjusting component (adjusting point) is adjusted in a vertical pitching rotation mode, the lower right corner adjusting component (adjusting point) is adjusted in a left-right direction rotation mode, and the upper right corner adjusting component is used as a locking point to be locked and fixed. In other embodiments, the number of the adjusting components can be 3, and 3 adjusting components are arranged in a triangle.
The adjustment accuracy of the adjustment assembly 5 of the present embodiment: the distance of the azimuth adjustment baseline is 154mm, the distance of the pitching adjustment baseline is 214mm, the screw pitch is 0.35mm, and the adjustment precision is 6 'in azimuth and 2.4' in pitch.
In this embodiment, the rear end surface of the lens holder is provided with 4 connecting tables 13, the lens holder is connected with the connecting plate 22 through four points (4 connecting tables 13), and the side surface of the connecting table 13 is provided with an open slot 131, that is, the lens holder is subjected to opening destressing at a connection adjusting position, so that the influence of the connection stress on the surface shape of the optical lens 7 on the lens holder can be reduced.
The fine adjustment process of the distance between the lens base and the connecting plate 22 in the embodiment is as follows:
1) firstly, connecting 4 locking tensioning screws 61 between the mirror base and the connecting plate 22 in place, simultaneously loosening 1/4 circles of screws, and depending on the elastic force of an outer pressure spring 51 and an inner pressure spring 56 at the front side of a jacking screw 55, keeping the positions of the mirror base and the connecting plate 22;
2) according to the process detection means, adjusting the jacking screws 55 at the upper left corner and the lower right corner respectively to realize the adjustment of two radial rotational degrees of freedom of the optical lens 7 on the lens base, and screwing the jacking screws 55 at the upper right corner after the adjustment is in place; in the adjusting process, the rear end face of the pressing plate 52 is used for adjusting the orientation freedom of ball sockets on the inner surfaces of the ball head 522 and the moving column 53, the external compression spring 51 is compressed in place, and the structural part is used for jacking, so that the position stability is ensured; then 4 locking tensioning screws 61 are screwed down to realize the fixation of the microscope base and the connecting plate 22.
The above description is only for the purpose of describing the preferred embodiments of the present invention and does not limit the technical solutions of the present invention, and any known modifications made by those skilled in the art based on the main technical concepts of the present invention fall within the technical scope of the present invention.
Claims (10)
1. An adjustment assembly for spacing adjustment of connected components, comprising: comprises a spring ball head unit arranged on a first connected piece (1) and a movable ball socket unit arranged on a second connected piece (2);
the spring ball head unit comprises an external pressure spring (51) and a pressure plate (52); one end of the pressure plate (52) is provided with an annular outer spring bracket (521), and the middle part of the other end is provided with an adjusting ball head (522); one end of the external pressure spring (51) is sleeved on the annular external spring bracket (521) and is abutted against the pressure plate (52), and the other end of the external pressure spring is abutted against or connected to the first connected piece (1);
the movable ball socket unit comprises a jacking screw (55), an adjusting bracket (54) and a movable column (53) with a ball socket on the inner end surface; the moving column (53) is used for being assembled in a through hole of the second connected piece (2); the adjusting bracket (54) is used for being fixedly arranged on the second connected piece (2), and a threaded hole is formed in the adjusting bracket (54); the jacking screw (55) passes through the threaded hole and abuts against the outer end face of the moving column (53);
the ball socket of the moving column (53) is matched with an adjusting ball head (522) of the pressure plate (52).
2. The adjustment assembly for adjustment of the spacing of connected components of claim 1, wherein: the device also comprises an internal pressure spring (56) coaxially arranged in the external pressure spring (51);
the middle part of one end of the pressure plate (52) is provided with an inner spring column (523) which is coaxial with the annular outer spring support (521);
one end of the internal pressure spring (56) is sleeved on the internal spring column (523), and the other end of the internal pressure spring is used for abutting against or being connected to the first connected piece (1).
3. A connecting device comprising a first connected member (1) and a second connected member (2), characterized in that: the device also comprises at least three adjusting components;
each adjusting part comprises a locking tensioning screw assembly (6) for fixing the first connected piece (1) and the second connected piece (2) and an adjusting assembly (5) for adjusting the distance between the connected pieces according to claim 1 for adjusting the distance between the first connected piece (1) and the second connected piece (2).
4. The connection device of claim 3, wherein: the first connected piece (1) is provided with an outer spring seat (14), and the outer spring seat (14) is an annular groove;
the second connected piece (2) is provided with a through hole (23), the through hole (23) is a step through hole and comprises a first through hole (231) and a second through hole (232) with diameters sequentially reduced, and the first through hole (231) is arranged close to the first connected piece (1);
the pressure plate (52) is arranged in the first through hole (231), and the annular outer spring support (521) of the pressure plate (52) extends into the annular groove;
the outer pressure spring (51) is arranged in the annular groove, one end of the outer pressure spring (51) is sleeved on the annular outer spring support (521), and the other end of the outer pressure spring abuts against or is connected to the bottom surface of the annular groove;
the moving column (53) is disposed in the second through hole (232).
5. The connection device of claim 4, wherein: the spring ball head unit also comprises an inner pressure spring (56) coaxially arranged in the outer pressure spring (51);
the first connected piece (1) is provided with an inner spring seat (15), and the inner spring seat (15) is a cylindrical groove;
the middle part of one end of the pressure plate (52) is provided with an inner spring column (523) extending into the inner spring seat (15);
the internal pressure spring (56) is arranged in the cylindrical groove, one end of the internal pressure spring (56) is sleeved on the internal spring column (523), and the other end of the internal pressure spring abuts against or is connected to the bottom surface of the cylindrical groove.
6. The connecting device according to any one of claims 3 to 5, wherein: the first connected piece (1) is a lens base, and the front end surface of the first connected piece is used for mounting an optical lens (7);
the second connected piece (2) comprises a supporting seat (21) and a connecting plate (22), the connecting plate (22) is arranged on the rear end face of the microscope base, the supporting seat (21) is of a hollow frame body structure sleeved on the outer sides of the microscope base and the connecting plate (22), and the connecting plate (22) is fixedly connected with the supporting seat (21);
the mobile ball and socket unit is mounted on a connection plate (22).
7. The connection device of claim 6, wherein: the number of the adjusting components is 4, and the 4 adjusting components are arranged in a rectangular shape;
or the number of the adjusting components is 3, and the 3 adjusting components are arranged in a triangular shape.
8. The connection device of claim 7, wherein: the microscope base is provided with connecting tables (13), the number of the connecting tables (13) is equal to that of the adjusting parts, and the positions of the connecting tables correspond to those of the adjusting parts one by one; the inner spring seat (15) and the outer spring seat (14) are both arranged on the connecting table (13).
9. The connection device of claim 8, wherein: the side of the connecting table (13) is provided with an open slot (131) for reducing stress.
10. The connection device of claim 9, wherein: the locking and tensioning screw assembly (6) comprises a locking and tensioning screw (61) and a spherical washer (62) arranged on the locking and tensioning screw (61);
the locking tensioning screw (61) passes through the mounting through hole on the connecting plate (22) of the second connected piece (2) and then is in threaded connection with the mirror base;
the lens base is provided with a central through hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666520.1A CN111999838B (en) | 2020-07-10 | 2020-07-10 | Adjusting component for adjusting distance between connected pieces and connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666520.1A CN111999838B (en) | 2020-07-10 | 2020-07-10 | Adjusting component for adjusting distance between connected pieces and connecting device |
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| Publication Number | Publication Date |
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| CN111999838A true CN111999838A (en) | 2020-11-27 |
| CN111999838B CN111999838B (en) | 2022-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010666520.1A Active CN111999838B (en) | 2020-07-10 | 2020-07-10 | Adjusting component for adjusting distance between connected pieces and connecting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894519A (en) * | 2021-09-27 | 2022-01-07 | 共享装备股份有限公司 | Dislocation adjusting device for closing cylinder |
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| CN113894519A (en) * | 2021-09-27 | 2022-01-07 | 共享装备股份有限公司 | Dislocation adjusting device for closing cylinder |
| CN113894519B (en) * | 2021-09-27 | 2024-05-28 | 共享装备股份有限公司 | Dislocation adjusting device for cylinder closing |
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