CN114310815A - Overturning and transferring device for spacecraft structural slab - Google Patents
Overturning and transferring device for spacecraft structural slab Download PDFInfo
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- CN114310815A CN114310815A CN202111502859.9A CN202111502859A CN114310815A CN 114310815 A CN114310815 A CN 114310815A CN 202111502859 A CN202111502859 A CN 202111502859A CN 114310815 A CN114310815 A CN 114310815A
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Abstract
The invention provides a spacecraft structural plate overturning and transferring device, which comprises: the base platform is used for bearing and has a width and/or height adjusting function; the fixing frame is arranged on the base platform and used for installing the processed structural plate, the fixing frame can be adjusted to a target length and can be adjusted to at least one target of a target width, a target height and a target orientation under the driving of the base platform, wherein the target length and the target width are matched with the processed structural plate.
Description
Technical Field
The invention relates to the technical field of spacecraft manufacturing, in particular to a spacecraft structural plate overturning and transferring device.
Background
For meeting the design requirement of light weight, the main structure of the spacecraft is mostly made of light-weight aluminum honeycomb plates. On the one hand, the main size distribution range of the spacecraft structural part is as follows: the surface size is 500mm 3500mm, the thickness is 30 mm 50mm, and the surface cleaning agent has the characteristics of large size, various shapes (mostly rectangular or polygonal), easy damage caused by collision and the like. On the other hand, the spacecraft structural panel is used as a main body structure of a spacecraft, various components such as load mounting holes/mounting seats, cables, heating plates, OSR and the like are widely distributed on the spacecraft structural panel, in order to meet the thermal control requirement of a spacecraft system, the surface of a structural component is generally subjected to surface painting treatment, and the whole production and manufacturing process of the spacecraft structural panel needs multiple processes. Based on the above characteristics, the manufacturing process of the structural plate usually needs to carry out long-distance transfer and turnover double-sided operation.
In traditional manufacturing process, the transport of structural slab, the manual work mode is adopted mostly to the upset mode, and this type of operation mode is consuming time and wasting force, the operation is very convenient and fast, and has great operation potential safety hazard, very easily leads to the work piece to take place to collide with or fall the phenomenon because of misoperation, leads to the product impaired, even scrap.
In view of the above technical difficulties, a new device is urgently needed to be developed to solve the problems of insufficient safety, inconvenient operation and the like of the large-size structural plate of the spacecraft in the processes of overturning and transferring.
Patent document CN204036120U discloses an adjustable aerospace thin-wall plate turnover mechanism, which includes a base, a turnover arm, a fixed arm and a power source, the opposite sides of the turnover arm and the fixed arm are contact surfaces of plates to be turned over, the bottom end of the turnover arm is hinged to the frame on the upper surface of the base, the included angle between the fixed arm and the upper surface of the base is smaller than 90 degrees, and the bottom end of the fixed arm is welded and fixed on the frame on the upper surface of the base, the gap with the width equal to the thickness of the plates to be turned over is exposed on the bottom end of the turnover arm and the upper surface of the base between the bottom ends of the fixed arm, the power source for providing turnover force is arranged on the opposite sides of the turnover arm and the fixed arm, but the design cannot adjust the height of a workpiece, and the universality is poor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a spacecraft structural plate overturning and transferring device.
The invention provides a spacecraft structural plate overturning and transferring device, which comprises:
the base platform is used for bearing and has a width and/or height adjusting function;
a fixed frame mounted on the base platform and used for mounting a processed structural plate, wherein the fixed frame can be adjusted to a target length and can be adjusted to at least one target of a target width, a target height and a target orientation under the driving of the base platform, and the target length and the target width are matched with the processed structural plate.
Preferably, the base platform realizes width adjustment by matching a sliding pair with a horizontal power mechanism, and the horizontal power mechanism is driven by a motor or hydraulically.
Preferably, the base platform can adjust its height to the target height in a continuous height adjustment manner or a discrete height adjustment manner through two electric lifting columns of the base platform to match the machining height required by the machined structural slab.
Preferably, the electric lifting upright post adopts a three-section structure and has a power-off self-locking function.
Preferably, the base platform can drive the fixed frame to rotate around an axis through a corner servo control box, so that the fixed frame is corrected to the target orientation, wherein the corner servo control box has any one or more of the following structures:
a control key;
a display;
a locking member.
Preferably, the base platform has two base structure frames arranged symmetrically and the electric lifting columns are detachably mounted on the base structure frames.
Preferably, the base platform has two modes, a movable mode in which the base platform can be pushed in a rolling manner and a non-movable mode in which the base platform cannot be pushed.
Preferably, the fixed frame comprises a longitudinal guide rod, a telescopic reinforcing beam, an indexing positioning adapter and a sliding beam assembly;
the two longitudinal guide rods are arranged in parallel, two ends of the telescopic reinforcing beam and two ends of the sliding beam assembly are respectively installed on the two longitudinal guide rods and are both arranged perpendicular to the longitudinal guide rods, and two ends of the telescopic reinforcing beam are respectively connected with the two longitudinal guide rods through the indexing positioning adaptor;
and the two longitudinal guide rods and the telescopic reinforcing beam are of telescopic structures.
Preferably, the indexing positioning adaptor comprises a rotating shaft, an indexing disc and a frame connecting piece;
the index plate is sleeved on the rotating shaft, one end of the rotating shaft is installed on the base platform, one side of the frame connecting piece is installed at the other end of the rotating shaft, the other side of the frame connecting piece is provided with a first installation structure and a second installation structure respectively, and the first installation structure and the second installation structure are used for installing the longitudinal guide rod and the telescopic reinforcing beam respectively.
Preferably, the processed structural plate is mounted on the fixing frame in the form of a snap-fit buckle by a structural plate connector.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention can realize the functions of overturning, transferring and fixing the fixed angle of the large-size structural plate of the spacecraft, and solves the problems of insufficient safety, inconvenient operation and the like of the large-size structural plate in the overturning and transferring processes.
2. The invention can flexibly adjust the width and the height of the base platform and the geometric dimension of the fixed frame, thereby meeting the fixing requirements of the processed structural plates with different dimensions, having good universality, reducing the occupied space and improving the installation convenience of the structural plates.
3. The invention can realize the accurate corner control and the fixed-angle hovering fixation of the structural slab so as to adapt to the requirements of different working scenes.
4. The invention adopts a modular design, is convenient to manufacture and convenient to maintain, has the functions of overturning, transferring and fixing the structural plate, can realize single clamping and fixing of the whole process flow and the universal function of multiple processes, reduces the repeated clamping and fixing of the structural plate in multiple processes, and greatly improves the production efficiency.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a fixing frame according to the present invention;
FIG. 3 is a schematic structural view of an indexing positioning adaptor according to the present invention;
FIG. 4 is a schematic structural view of a glide beam assembly of the present invention;
FIG. 5 is a schematic view of a base platform according to the present invention;
FIG. 6 is a schematic view of the construction of the base structure frame of the present invention;
fig. 7 is a schematic structural diagram of a rotation angle servo control mechanism according to the present invention.
The figures show that:
Hollow stiffening beam 121 pivot cover 2145
Rotating shaft supporting seat 2146 of the adapting rod 122
Indexing positioning adaptor 13 mounting plate 2148
Beam guide 142 universal wheel 24
Sliding beam 143 base structure frame 25
Connecting bolt 144 stringer 251
Reinforcing beam 254 of corner servo control box 21
Linear guide 27 of box 213
Corner servo control mechanism 214 structural plate connecting piece 3
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
Example 1:
the invention provides a spacecraft structural slab overturning and transferring device which comprises a fixed frame 1 and a base platform 2, wherein the base platform 2 is used for bearing and has a width and/or height adjusting function; the fixed frame 1 is mounted on a base platform 2 and is used for mounting a processed structural plate 4, wherein the processed structural plate 4 is preferably mounted on the fixed frame 1 in the form of a snap-fit by means of a structural plate connection 3. The fixed frame 1 can be adjusted to a target length and can be adjusted to at least one of a target width, a target height, a target orientation under the urging of the base platform 2, wherein the target length and the target width match the processed structural panel.
The base platform 2 can adjust the width by matching a sliding pair with a horizontal power mechanism, so as to obtain the target width, wherein the horizontal power mechanism can be driven by a motor or hydraulically, and in some specific application scenes, the horizontal power mechanism can also be driven by an air cylinder, so that the horizontal power mechanism can meet the requirement of processing the structural plate 4 with a specific size.
The base platform 2 can adjust its height to a target height in a continuous height adjustment manner or a discrete height adjustment manner through two electric lifting columns 22, wherein the electric lifting columns 22 preferably have a three-section structure and have a power-off self-locking function.
Further, the base platform 2 has two base structure frames 25 arranged symmetrically, and the electric lifting columns 22 are detachably mounted on the base structure frames 25.
The base platform 2 can drive the fixed frame 1 to rotate around the axis through the angular servo control box 21, so that the fixed frame 1 is corrected to the target orientation, wherein the angular servo control box 21 has any one or more of the following structures:
the control key can be operated manually, and parameter setting or specific action execution can be realized by manually operating the control key;
a display 212 displaying a target width, target length, and/or target orientation;
the locking piece adopts an automatic locking structure or a manual locking structure to meet the requirements of actual products.
The base platform 2 of the present invention has two modes, a movable mode and an immovable mode, in the movable mode, the base platform 2 can be pushed in a rolling manner, for example, the universal wheels 24 are arranged below the base structure frame 25, in the immovable mode, the base platform 2 cannot be pushed, for example, the base structure frame 25 is provided with the lead screw foot support 23, the roller cannot land by operating the lead screw foot support 23, the supporting state of the base structure frame 25 is realized, and at this time, the base platform cannot be moved.
Specifically, the fixed frame 1 includes a longitudinal guide rod 11, a retractable reinforcement beam 12, an indexing positioning adapter 13 and a sliding beam assembly 14, the two longitudinal guide rods 11 are arranged in parallel, two ends of the retractable reinforcement beam 12 and two ends of the sliding beam assembly 14 are respectively installed on the two longitudinal guide rods 11 and are both arranged perpendicular to the longitudinal guide rods 11, two ends of the retractable reinforcement beam 12 are respectively connected with the two longitudinal guide rods 11 through the indexing positioning adapter 13, and the two longitudinal guide rods 11 and the retractable reinforcement beam 12 are both retractable structures.
Further, the indexing positioning adaptor 13 includes a rotating shaft 131, an indexing disc 132 and a frame connecting member 133, the indexing disc 132 is sleeved on the rotating shaft 131, one end of the rotating shaft 131 is installed on the base platform 2, one side of the frame connecting member 133 is installed at the other end of the rotating shaft 131, the other side of the frame connecting member 133 is respectively provided with a first installation structure and a second installation structure, and the first installation structure and the second installation structure are respectively used for installing the longitudinal guide rod 11 and the retractable reinforcing beam 12.
It should be noted that the target width, the target height, the target length, and the target orientation in the present invention are defined for the processed structural plate 4, the fixing frame 1 needs to be adjusted to different target widths and target lengths for the processed structural plates 4 with different sizes to match the installation of the processed structural plate 4, the target height of the fixing frame 1 needs to be adjusted to facilitate the installation of the processed structural plate 4 or facilitate the processing operation of the processed structural plate 4 when the processed structural plate 4 is installed or the processed structural plate 4 is processed, during the processing of the processed structural plate 4, the orientation of the processed structural plate 4, i.e. the target orientation, needs to be continuously adjusted for the processing requirement, and when the target orientation is adjusted, the fixing frame 1 is locked by the locking piece to facilitate the further processing operation.
Example 2:
this embodiment is a preferred embodiment of embodiment 1.
The embodiment provides a spacecraft structural slab overturning and transferring device, which comprises a fixed frame 1, a base platform 2 and a structural slab connecting piece 3, wherein the fixed frame 1 is installed on the base platform 2, a processed structural slab 4 is connected with the structural slab connecting piece 3 through bolts through mounting holes on the side surface or the upper surface and the lower surface, and the structural slab connecting piece 3 is connected with the fixed frame 1 through a quick-pressing buckle.
As shown in fig. 2, the fixed frame 1 includes a longitudinal guide 11, a retractable reinforcement beam 12, an indexing positioning adaptor 13, and a sliding beam assembly 14. The longitudinal guide rod 11 is provided with a channel which is installed in a paired mirror image manner, the indexing positioning adaptor 12 is screwed in the middle of the longitudinal guide rod 11 in a paired mirror image manner, and the sliding beam assembly 14 penetrates into the longitudinal guide rod 11 from two ends of the longitudinal guide rod 11 respectively to form a sliding pair with the longitudinal guide rod 11; the retractable reinforcing beam 12 is in threaded connection with the reinforcing beam interface of the indexing positioning adapter 13. By adjusting the relative positions of the two sliding beam assemblies 14 and the transverse expansion amount of the telescopic reinforcing beam 12, the geometric dimension of the fixed frame 1 can be flexibly adjusted, so that the fixing requirements of the processed structural plates 4 with different dimensions are met, and the space is saved.
As shown in fig. 3, the indexing positioning adaptor 13 includes a rotating shaft 131, an indexing disc 132, and a frame connector 133, and all the parts are connected by welding; the rotating shaft 131 is a stepped shaft, and the end part is provided with a key groove; the indexing plate 132 is provided with waist-shaped holes which are arranged in an equidistant circular array, the center of the indexing plate 132 is provided with a round hole, and the rotating shaft 131 is provided with a round hole which is welded with the indexing plate 132; the frame connecting member 133 has a T-shaped structure, a first connecting groove 1331 matched with the longitudinal guide bar 11 is formed at the upper end, a second connecting groove 1332 matched with the retractable reinforcing beam 13 is formed at the lower end, the first connecting groove 1331 is a first mounting structure, the second connecting groove 1332 is a second mounting structure, and a kidney-shaped through hole is formed in the end surface of each groove.
As shown in fig. 4, the sliding beam assembly 14 includes a sliding joint 141, a beam guide 142, a sliding beam 143, a connecting bolt 144, a hand bolt 145; the beam guide rods 142 are of a hollow structure, and the beam guide rods 142 are installed at two ends of the sliding beam 143 in pairs and form a sliding pair with the sliding beam 143; the sliding joint 141 is provided with a rectangular guide hole, and the center of the side wall of the guide hole is provided with a threaded hole; the longitudinal guide rod 11 passes through the rectangular guide hole of the sliding joint 141 to form a sliding pair with the sliding joint 141; the sliding joint 141 is connected with the beam guide rod 142 through a connecting bolt 144; the hand-screwed bolt 145 and the threaded hole in the center of the side wall of the guide hole form a thread pair, so that the sliding beam assembly 14 is limited and fixed, wherein the sliding beam 142 is made of 4040W heavy aluminum profiles with grooves.
As shown in fig. 2, the retractable reinforcing beam 12 includes a hollow reinforcing beam 121, an adapter rod 122, and a linear motor 123, the adapter rod 122 penetrates through the inside of the hollow reinforcing beam 121, is screwed with the hollow reinforcing beam 121 at one end, and forms a sliding pair with the hollow reinforcing beam 121 at the other end, the bottom of the linear motor 123 is installed in the adapter rod 122, the bottom is connected with the adapter rod 122, and the movable end extends out of the adapter rod 122 to be connected with the hollow reinforcing beam 121.
As shown in fig. 5 and 6, the base platform 2 includes a corner servo control box 21, an electric lifting column 22, a lead screw support 23, a universal wheel 24, a base structure frame 25, a horizontal telescopic motor 26, and a linear guide rod 27; the base structure frame 25 is installed in a pair of mirror images, the lower end of the base structure frame 25 is provided with a screw rod foot support 23 and a universal wheel 24, a linear guide rod 27 penetrates through the opposite hollow cross beam 255, and the hollow cross beam 255 and the guide rod 27 form a sliding pair. The linear push rod motor 26 is arranged between the two stiffening beams 254 of the base structure frame 25, the two ends of the linear push rod motor 26 are connected with the two stiffening beams 254 through bolts, and the width of the base platform 2 can be flexibly adjusted by controlling the telescopic stroke of the linear push rod motor 26 so as to save space and meet the installation requirements of the machined structural plates 4 with different sizes.
The electric lifting columns 22 are installed in pairs in the base structure frame 25, and the same controller is adopted, so that the synchronism of the electric lifting columns on the two sides is ensured. By controlling the stroke of the electric lifting upright post 22, the overall height of the fixed frame 1 can be flexibly adjusted to obtain the target height, so that the processed structural plate 4 can be conveniently installed at the bottom position, and the requirement of the turning space of the large-size processed structural plate 4 can be met at the high position. The upper end surface of the electric lifting upright post 22 is provided with a corner servo control box 21.
As shown in fig. 6, the base structure frame 25 includes longitudinal beams 251, side pull rods 252, an adapter plate 253, a reinforcing beam 254, and a cross beam 255, and the components are connected by welding, and mounting holes are formed in the beams and the adapter plate 253 according to the mounting positions of the electric lifting column 22, the horizontal telescopic motor 26, the screw rod support 23, and the universal wheel 24 in the base platform 2.
In this embodiment, the electric lifting column 22 is a three-section electric lifting column, the stroke is greater than or equal to 500mm, the single motor bears more than or equal to 500kg, and the electric lifting column 22 has a power-off self-locking function.
As shown in fig. 5, 6 and 7, the corner servo control box 21 includes a control button 211, a display 212, a box 213 and a corner servo control mechanism 214; the display 212 and the control buttons 211 are arranged on the outer wall of the box body 213; the rotational angle servo control mechanism 214 is installed inside the housing 213.
The angular servo control mechanism 214 includes a base 2141, a servo motor 2142, a worm gear reducer 2143, a coupling 2144, a shaft cover 2145, a shaft support 2146, a spring indexing pin 2147, a mounting plate 2148, a synchronous pulley 2149, a synchronous belt 21410, and a mounting bolt 21411. The precise rotation angle control and the fixed-angle hovering fixation of the processed structural slab 4 can be realized by controlling the rotation angle of the servo motor 2142 so as to adapt to the requirements of different working scenes
The mounting plate 2148 is vertically welded to the upper surface of the base 2141, and mounting holes are formed according to the mounting holes of the servo motor 2142 and the worm gear reducer 2143.
The servomotor 2142, the worm gear reducer 2143 and the mounting plate 2148 are connected by bolts 21411.
The synchronous belt pulley 2149 penetrates through the servomotor shaft 2142 and the input shaft of the worm gear reducer 2143, and is connected to each shaft through a flat key.
The synchronous belt 21410 is selectively matched according to the diameter, the distance and the specification of the belt pulleys 2149, and is connected to the belt pulleys 2149 at both ends respectively.
The rotating shaft supporting seat 2146 is screwed on the upper surface of the base 2141, the rotating shaft supporting seat 2146 is provided with a U-shaped hole, and the rotating shafts of the indexing positioning adaptor 13 at the two ends of the fixed frame 1 are respectively arranged in the U-shaped hole of the supporting seat 2146 to establish a revolute pair with the rotating shaft supporting seat 2146; the U-shaped holes are symmetrically provided with spring indexing pins 2147.
The mounting position of the spring indexing pin 2147 corresponds to the hole position of the indexing disc 132, the end of the spring indexing pin 2147 releasing pin passes through the waist-shaped hole of the indexing disc 132, and the spring indexing pin 2147 serves as a locking piece and can play a role in positioning and locking the fixed frame 1.
The rotary shaft of the indexing positioning adapter 13 is connected with the output shaft of the worm gear reducer 2143 through a coupler 2144, and the rotary shaft cover plate 2145 is provided with a mounting hole and is connected with the upper end face of the rotary shaft support seat 2146 through a bolt, so that the rotary shaft 131 is prevented from jumping out.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. The utility model provides a spacecraft structural slab upset transfer device which characterized in that includes:
a base platform (2) for carrying and having a width and/or height adjustment function;
a fixed frame (1) mounted on the base platform (2) and used for mounting a processed structural plate (4), the fixed frame (1) can be adjusted to a target length and can be adjusted to at least one target of a target width, a target height and a target orientation under the driving of the base platform (2), wherein the target length and the target width match the processed structural plate.
2. The spacecraft structural plate overturning and transferring device according to claim 1, wherein the base platform (2) is adjusted in width by matching a sliding pair with a horizontal power mechanism, and the horizontal power mechanism is driven by a motor or hydraulically.
3. The spacecraft structural panel turnover transfer device of claim 1, wherein the base platform (2) can adjust its height to the target height by means of two electric lifting columns (22) to match the required processing height of the processed structural panel (4).
4. The spacecraft structural panel turnover transfer device of claim 3, wherein the electric lifting columns (22) are of a three-section structure and have a power-off self-locking function.
5. The spacecraft structural panel overturning and transferring device according to claim 1, wherein the base platform (2) can drive the fixed frame (1) to rotate around the axis through the angular servo control box (21) so as to modify the fixed frame (1) to the target orientation, wherein the angular servo control box (21) has any one or more of the following structures:
a control key;
a display (212);
a locking member.
6. Spacecraft structural panel turnover transfer device according to claim 3, characterised in that said base platform (2) has two base structural frames (25) in a symmetrical arrangement and said motorized lifting columns (22) are mounted in a removable manner on said base structural frames (25).
7. A spacecraft structural panel turnover transfer device according to claim 1, wherein the base platform (2) has both a movable mode in which the base platform (2) can be pushed in a rolling manner and an immovable mode in which the base platform (2) cannot be pushed.
8. The spacecraft structural panel turnover transfer device of claim 1, wherein the fixed frame (1) comprises a longitudinal guide bar (11), a retractable reinforcement beam (12), an indexing positioning adaptor (13) and a glide beam assembly (14);
the two longitudinal guide rods (11) are arranged in parallel, two ends of the telescopic reinforcing beam (12) and two ends of the sliding beam assembly (14) are respectively installed on the two longitudinal guide rods (11) and are both arranged perpendicular to the longitudinal guide rods (11), and two ends of the telescopic reinforcing beam (12) are respectively connected with the two longitudinal guide rods (11) through the indexing positioning adaptor (13);
wherein, the two longitudinal guide rods (11) and the telescopic reinforcing beam (12) are of telescopic structures.
9. The spacecraft structure plate turning transfer device of claim 8, wherein the indexing positioning adaptor (13) comprises a rotating shaft (131), an indexing disc (132) and a frame connector (133);
the dividing plate (132) is sleeved on the rotating shaft (131), one end of the rotating shaft (131) is installed on the base platform (2), one side of the frame connecting piece (133) is installed at the other end of the rotating shaft (131), the other side of the frame connecting piece (133) is provided with a first installation structure and a second installation structure respectively, and the first installation structure and the second installation structure are used for installing the longitudinal guide rod (11) and the telescopic reinforcing beam (12) respectively.
10. A spacecraft structural panel turnover transfer device according to claim 1, characterised in that said processed structural panel (4) is mounted on said fixed frame (1) in the form of a snap-fit through structural panel connections (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111502859.9A CN114310815B (en) | 2021-12-09 | Spacecraft structural slab overturning and transferring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111502859.9A CN114310815B (en) | 2021-12-09 | Spacecraft structural slab overturning and transferring device |
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CN114310815A true CN114310815A (en) | 2022-04-12 |
CN114310815B CN114310815B (en) | 2024-07-26 |
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CN115008431A (en) * | 2022-08-08 | 2022-09-06 | 四川精诚致远门窗工程有限公司 | Turnover operation table for metal door and window processing |
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CN210414453U (en) * | 2019-02-26 | 2020-04-28 | 中国航发商用航空发动机有限责任公司 | Span-adjustable overturning support frame |
CN211278324U (en) * | 2019-12-23 | 2020-08-18 | 浙江农业商贸职业学院 | Fixing device is used in processing of platelike sheet metal component |
CN211867642U (en) * | 2020-02-26 | 2020-11-06 | 湖南东洲电气科技有限公司 | Regulator cubicle bottom plate installation auxiliary fixtures |
Cited By (1)
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CN115008431A (en) * | 2022-08-08 | 2022-09-06 | 四川精诚致远门窗工程有限公司 | Turnover operation table for metal door and window processing |
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