CN117390730A - Superimposed sheet modeling method based on digital twinning - Google Patents
Superimposed sheet modeling method based on digital twinning Download PDFInfo
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- CN117390730A CN117390730A CN202311005074.XA CN202311005074A CN117390730A CN 117390730 A CN117390730 A CN 117390730A CN 202311005074 A CN202311005074 A CN 202311005074A CN 117390730 A CN117390730 A CN 117390730A
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- 238000013461 design Methods 0.000 claims abstract description 35
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- 238000012360 testing method Methods 0.000 claims description 33
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 8
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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Abstract
The invention discloses a digital twinning-based superimposed sheet modeling method, which belongs to the technical field of buildings and aims to solve the problems that in the prior art, the deep design of superimposed sheets is completed by designers according to experience, the design quality is low, the design efficiency is low, and building data is lacking, so that the intelligent building of components is not facilitated; in the invention, the two-dimensional CAD graph and the three-dimensional BIM model are organically combined, and the simplicity, convenience and visualization of the BIM model of the CAD graph are fully utilized, so that the method is easy to popularize and the accuracy of the design result is ensured; in the invention, CAD secondary development program is adopted to realize the extraction of the information of the assembled floor and the automatic generation of the deepened design drawing, BIM software is adopted to realize the automatic modeling of the assembled floor, and a designer can rapidly complete the deepened design of the assembled floor in batches by simply drawing the outline of the assembled floor and filling in corresponding information forms in the CAD-based flat structure construction drawing.
Description
Technical Field
The invention belongs to the technical field of buildings, and particularly relates to a superimposed sheet modeling method based on digital twinning.
Background
The deep design data of the laminated slab penetrate through links such as cost, material purchase, factory processing, field installation and the like of the laminated slab. The deep design of the laminated slab not only requires a designer to accurately draw a deep design drawing, but also knows the processing technology of the laminated slab and the operation, maintenance and hoisting schemes of a construction site, and is difficult to be qualified by adopting a traditional two-dimensional CAD design mode.
The BIM technology has strong parametric modeling function and visualization function, and after the simulation assembly of each laminated slab component model in the BIM is completed, collision detection can be carried out to check whether the laminated slab collides with other components; in BIM, the established three-dimensional information model can realize information sharing and promote good cooperative communication among professions; in BIM, the three-dimensional prefabricated part is changed, and the corresponding plane, vertical and sectional plan is automatically updated, so that engineering quantity information can be automatically counted, time is saved, and design efficiency is improved. Parameterization and three-dimensional visualization of BIM technology provide possibilities for deep design of fabricated laminates.
At present, software for realizing automatic splitting of the laminated slab on the basis of an algorithm is established by combining with BIM technology, and the software has the advantages of mass industry, PKPM, building and construction departments and the like, and all existing platforms can realize deep design of the laminated slab, but have the defects in the aspects of batch design, three-dimensional avoidance of reinforcing steel bars and data depth sharing.
In the current assembly type structural design, the deep design of the superimposed sheet is completed by a designer according to experience, the design quality is low, the design efficiency is low, and the building data is lacking, so that the intelligent building of the component is not facilitated. The existing BIM software is difficult in reinforcement modeling, poor in parameterized control performance and incapable of meeting the requirement of batch deepening design of laminated plates.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a digital twinning-based superimposed sheet modeling method to solve the problems that in the prior art, the deep design of the superimposed sheet is completed by a designer according to experience, the design quality is low, the design efficiency is low, and the building data is lacking, so that the intelligent building of a component is not facilitated. The existing BIM software has the problems that the reinforcement modeling is difficult, the parameterized control performance is poor, and the requirement of batch deepening design of laminated plates cannot be met.
The technical scheme adopted by the invention is as follows:
the digital twinning-based superimposed sheet modeling method is characterized by comprising the following steps of:
step 1, creating a superimposed sheet deepened design parameterized digital model and a drawing template suitable for CAD and BIM platforms;
step 2, in a floor slab flat method construction drawing based on a CAD platform, splitting a floor slab into laminated slabs, drawing a contour line of the laminated slabs, creating and filling in an information form of the laminated slabs in the contour line, and generating a laminated slab plane layout drawing;
step 3, extracting the outline information of the laminated plate and the information in the laminated plate information table in batch in the laminated plate plane layout chart through CAD secondary development by a programming program;
step 4, calculating the number of truss ribs of the superimposed sheet and the corresponding spacing according to the information extracted in the step 3 by a program, calculating the information such as the number of stressed steel bars in one direction of the superimposed sheet and the corresponding spacing, calculating the information such as the number of stressed steel bars in the other direction of the superimposed sheet and the corresponding spacing, and generating superimposed sheet parameters in batches;
step 5, correlating the superimposed sheet truss rib information obtained in the step 3 and the step 4 with superimposed sheet truss rib parameters in the superimposed sheet deepening design drawing template in the step 1 by a program, generating a superimposed sheet truss rib BIM model in batches, and drawing the superimposed sheet truss ribs based on CAD in batches;
step 6, programming to correlate the stress bar information of the superimposed sheet obtained in the step 3 and the step 4 with the reinforcement parameters and the hanging point parameters in the two directions of the superimposed sheet deepening design drawing template in the step 1, and generating BIM models of the reinforcement and the hanging point in the two directions of the superimposed sheet in batches;
step 7, assembling truss ribs, steel bars and hanging points of the laminated slab to generate a laminated slab model;
step 8, designing a superimposed sheet object according to the generated superimposed sheet model, and performing strength test on the superimposed sheet object to obtain a strength test result;
step 9, adjusting parameters in the steps 5-7 based on the strength test result;
the parameters include length, mass, quantity, material, etc.
The utility model provides a superimposed sheet intensity testing arrangement for carry out intensity test to superimposed sheet practicality, includes the platform, the last opening that runs through of platform is equipped with, the opening part is equipped with the fixing device that is used for fixed superimposed sheet and is used for driving the rotating device of fixing device rotation; and a collision device for collision of the laminated plates is arranged above the platform.
In this technical scheme, it should be noted that, be used for carrying out the intensity test experiment to the superimposed sheet that the staff designed according to the superimposed sheet model through the intensity testing arrangement that sets up, wherein, fixing device is used for fixed with the superimposed sheet, and rotary device can drive fixing device rotation to make the superimposed sheet can be fixed at any angle in 360 within ranges, make collision device can carry out collision test to any angle of superimposed sheet.
Preferably, the fixing device comprises a supporting plate and a clamp, wherein the supporting plate is respectively arranged at two sides of the opening in the width direction, and the fixing plates are respectively arranged at two ends of the top of the supporting plate; the clamp comprises a clamping plate and a driving assembly, wherein the clamping plate is arranged at the top of the supporting plate and is positioned between the two fixing plates, and the driving assembly is used for driving the clamping plate to move along the length direction of the supporting plate; the top of backup pad is equipped with the recess, drive assembly includes the screw rod, the both ends of screw rod are connected with the both ends rotation of recess, the bottom of splint is equipped with the slider of slip embedding in the recess, slider and screw rod threaded connection.
In this technical scheme, it should be noted that, when needs are fixed the superimposed sheet, at first hang the superimposed sheet through the hoist and mount machine on the backup pad, just the superimposed sheet is located between fixed plate and the splint, afterwards, rotatory screw rod, screw rod rotation make the splint along the axial displacement of screw rod rather than threaded connection, until press from both sides the superimposed sheet with the superimposed sheet.
Preferably, the rotating device comprises a first rotating shaft, one end of the first rotating shaft is connected with the fixing device, the other end of the first rotating shaft penetrates out of the platform and is rotationally connected with the platform, and a first motor for driving the first rotating shaft to rotate is arranged on the platform.
In this technical scheme, it is to be noted that, when needs carry out angle modulation to the superimposed sheet, start first motor for first motor drives first pivot and rotates certain angle, and first pivot rotates certain angle and then makes fixing device drive the superimposed sheet and rotate certain angle.
Preferably, the bottom of the platform is provided with supporting legs, and the bottoms of the supporting legs are provided with pulleys.
Preferably, the collision device comprises a collision ball, the collision ball is supported above the platform through a support frame, a take-up pulley is arranged at the top of the support frame, a connecting wire is arranged on the take-up pulley, one end of the connecting wire is connected with the take-up pulley, the other end of the connecting wire is connected with the collision ball, a connecting frame is arranged at the top of the support frame, and the take-up pulley is rotationally connected with the connecting frame through a second rotating shaft. The top of support frame is equipped with cylinder and motor, motor and support frame sliding connection, the output fixedly connected with of motor inserts the post, it is polygonal shape to insert the post, the one end of second pivot is equipped with the slot with inserting the post adaptation, establish at motor support frame top of cylinder, just the output of cylinder is connected with the one end that the second pivot was kept away from to the motor.
In the technical scheme, when a collision experiment needs to be carried out on the superimposed sheet on the fixing device, the air cylinder is started, the output end of the air cylinder contracts to drive the motor to move in the direction away from the second rotating shaft, so that the inserted column at the output end of the second motor is separated from the slot, at the moment, the take-up pulley is in an interactive state, and the collision ball falls down due to the action of gravity and impacts the superimposed sheet, so that the strength test is completed; after the test is finished, the air cylinder is started again, the output end of the air cylinder stretches to drive the motor and the inserting column on the motor to be inserted into the slot, so that the first rotating shaft is in butt joint with the output end of the motor, then the second motor is started, the second motor drives the second rotating shaft to rotate, the wire take-up wheel drives the connecting wire to be gradually wound on the wire take-up wheel, the collision ball gradually rises, and after the collision ball rises to a certain height, the motor is turned off.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. in the invention, the two-dimensional CAD graph and the three-dimensional BIM model are organically combined, and the simplicity, convenience and visualization of the BIM model of the CAD graph are fully utilized, so that the method is easy to popularize and the accuracy of the design result is ensured; in the invention, CAD secondary development program is adopted to realize the extraction of the information of the assembled floor and the automatic generation of the deepened design drawing, BIM software is adopted to realize the automatic modeling of the assembled floor, and a designer can rapidly complete the deepened design of the assembled floor in batches by simply drawing the outline of the assembled floor and filling in corresponding information forms in the CAD-based flat structure construction drawing.
2. According to the invention, the strength testing device is used for carrying out strength testing experiments on the laminated plate designed by a worker according to the laminated plate model, wherein the fixing device is used for fixing the laminated plate, and the rotating device can drive the fixing device to rotate, so that the laminated plate can be fixed at any angle in the range of 360 degrees, and the collision device can carry out collision testing on any angle of the laminated plate.
Drawings
The invention will now be described by way of example and with reference to the accompanying drawings in which:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a platform of the present invention;
fig. 3 is a schematic perspective view of the second motor and the second shaft of the present invention when they are separated.
Reference numerals
10-platform, 11-supporting leg, 12-pulley, 20-superimposed sheet, 21-fixed plate, 22-splint, 221-slider, 23-screw rod, 24-recess, 25-first pivot, 26-first motor, 30-backup pad, 40-support frame, 50-take-up pulley, 51-link, 52-second pivot, 521-slot, 53-second motor, 531-inserted column, 54-cylinder, 55-connecting wire, 56-impact ball.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, are intended to be within the scope of the present application.
Example 1
The embodiment provides a superimposed sheet modeling method based on digital twinning, which comprises the following steps:
the digital twinning-based superimposed sheet modeling method is characterized by comprising the following steps of:
step 1, creating a superimposed sheet deepened design parameterized digital model and a drawing template suitable for CAD and BIM platforms;
step 2, in a floor slab flat method construction drawing based on a CAD platform, splitting a floor slab into laminated slabs, drawing a contour line of the laminated slabs, creating and filling in an information form of the laminated slabs in the contour line, and generating a laminated slab plane layout drawing;
step 3, extracting the outline information of the laminated plate and the information in the laminated plate information table in batch in the laminated plate plane layout chart through CAD secondary development by a programming program;
step 4, calculating the number of truss ribs of the superimposed sheet and the corresponding spacing according to the information extracted in the step 3 by a program, calculating the information such as the number of stressed steel bars in one direction of the superimposed sheet and the corresponding spacing, calculating the information such as the number of stressed steel bars in the other direction of the superimposed sheet and the corresponding spacing, and generating superimposed sheet parameters in batches;
step 5, correlating the superimposed sheet truss rib information obtained in the step 3 and the step 4 with superimposed sheet truss rib parameters in the superimposed sheet deepening design drawing template in the step 1 by a program, generating a superimposed sheet truss rib BIM model in batches, and drawing the superimposed sheet truss ribs based on CAD in batches;
step 6, programming to correlate the stress bar information of the superimposed sheet obtained in the step 3 and the step 4 with the reinforcement parameters and the hanging point parameters in the two directions of the superimposed sheet deepening design drawing template in the step 1, and generating BIM models of the reinforcement and the hanging point in the two directions of the superimposed sheet in batches;
step 7, assembling truss ribs, steel bars and hanging points of the laminated slab to generate a laminated slab model;
step 8, designing a superimposed sheet object according to the generated superimposed sheet model, and performing strength test on the superimposed sheet object to obtain a strength test result;
step 9, adjusting parameters in the steps 5-7 based on the strength test result;
the parameters include length, mass, quantity, material, etc.
Example 2
As shown in fig. 1-3, the present embodiment provides a device for testing strength of a laminated slab 20, which comprises a platform 10, wherein an opening is formed on the platform 10 in a penetrating manner, and a fixing device for fixing the laminated slab 20 and a rotating device for driving the fixing device to rotate are arranged at the opening; above the platform 10 is arranged a collision device for collision of the superimposed sheet 20. It should be noted that, the strength testing device is used for performing strength testing experiments on the laminated plate 20 designed by the staff according to the laminated plate 20 model, wherein the fixing device is used for fixing the laminated plate 20, the rotating device can drive the fixing device to rotate, so that the laminated plate 20 can be fixed at any angle in the 360-degree range, and the collision device can perform collision testing on any angle of the laminated plate 20.
As shown in fig. 1-3, in this embodiment, the fixing device includes a support plate 30 and a clamp, the support plate 30 is respectively disposed on two sides of the opening in the width direction, and the fixing plates 21 are respectively disposed on two ends of the top of the support plate 30; the clamp comprises a clamping plate 22 and a driving assembly, wherein the clamping plate 22 is arranged at the top of the supporting plate 30 and is positioned between the two fixing plates 21, and the driving assembly is used for driving the clamping plate 22 to move along the length direction of the supporting plate 30; the top of backup pad 30 is equipped with recess 24, drive assembly includes screw rod 23, the both ends of screw rod 23 are connected with the both ends rotation of recess 24, the bottom of splint 22 is equipped with the slider 221 of sliding inlay and establishing in recess 24, slider 221 and screw rod 23 threaded connection. When it is necessary to fix the laminated sheet 20, the laminated sheet 20 is first hoisted to the supporting plate 30 by a hoisting machine with the laminated sheet 20 interposed between the fixing plate 21 and the clamping plate 22, and then the screw 23 is rotated, and the screw 23 is rotated so that the clamping plate 22 screwed thereto moves in the axial direction of the screw 23 until the laminated sheet 20 is clamped.
As shown in fig. 1-3, in this embodiment, the rotating device includes a first rotating shaft 25, one end of the first rotating shaft 25 is connected with the fixing device, the other end of the first rotating shaft penetrates out of the platform 10 and is rotatably connected with the platform 10, and a first motor 26 for driving the first rotating shaft 25 to rotate is disposed on the platform 10. It should be noted that, when the angle adjustment needs to be performed on the laminated plate 20, the first motor 26 is started, so that the first motor 26 drives the first rotating shaft 25 to rotate by a certain angle, and the first rotating shaft 25 rotates by a certain angle, so that the fixing device drives the laminated plate 20 to rotate by a certain angle.
As shown in fig. 1-3, in this embodiment, a supporting leg 11 is disposed at the bottom of the platform 10, and a pulley 12 is disposed at the bottom of the supporting leg 11.
As shown in fig. 1-3, in this embodiment, the collision device includes a collision ball 56, the collision ball 56 is supported above the platform 10 by a support frame 40, a take-up pulley 50 is disposed on the top of the support frame 40, a connecting wire 55 is disposed on the take-up pulley 50, one end of the connecting wire 55 is connected with the take-up pulley 50, the other end is connected with the collision ball 56, a connecting frame 51 is disposed on the top of the support frame 40, and the take-up pulley 50 is rotationally connected with the connecting frame 51 by a second rotating shaft 52. The top of support frame 40 is equipped with cylinder 54 and motor, motor and support frame 40 sliding connection, the output fixedly connected with of motor inserts post 531, insert post 531 is the polygon shape, the one end of second pivot 52 be equipped with insert post 531 adaptation slot 521, the setting of cylinder 54 is at motor support frame 40 top, just the output of cylinder 54 is connected with the one end that the motor kept away from second pivot 52. It should be noted that, when the collision experiment needs to be performed on the laminated plate 20 on the fixing device, the cylinder 54 is started, the output end of the cylinder 54 contracts, and drives the motor to move in a direction away from the second rotating shaft 52, so that the inserting column 531 at the output end of the second motor 53 is separated from the slot 521, at this time, the take-up pulley 50 is in an interaction state, and the collision ball 56 falls down due to the gravity and impacts the laminated plate 20, so as to complete the strength test; after the test is finished, the air cylinder 54 is started again, the output end of the air cylinder 54 stretches to drive the motor and the inserting column 531 on the motor to be inserted into the inserting groove 521, so that the first rotating shaft 25 is in butt joint with the output end of the motor, then the second motor 53 is started, the second motor 53 drives the second rotating shaft 52 to rotate, the take-up pulley 50 drives the connecting wire 55 to be gradually wound on the take-up pulley 50, the collision ball 56 is gradually lifted, and after the collision ball 56 is lifted to a certain height, the motor is turned off.
The foregoing examples merely represent specific embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present application, which fall within the protection scope of the present application.
Claims (8)
1. The digital twinning-based superimposed sheet modeling method is characterized by comprising the following steps of:
step 1, creating a superimposed sheet deepened design parameterized digital model and a drawing template suitable for CAD and BIM platforms;
step 2, in a floor slab flat method construction drawing based on a CAD platform, splitting a floor slab into laminated slabs, drawing a contour line of the laminated slabs, creating and filling in an information form of the laminated slabs in the contour line, and generating a laminated slab plane layout drawing;
step 3, extracting the outline information of the laminated plate and the information in the laminated plate information table in batch in the laminated plate plane layout chart through CAD secondary development by a programming program;
step 4, calculating the number of truss ribs of the superimposed sheet and the corresponding spacing according to the information extracted in the step 3 by a program, calculating the information such as the number of stressed steel bars in one direction of the superimposed sheet and the corresponding spacing, calculating the information such as the number of stressed steel bars in the other direction of the superimposed sheet and the corresponding spacing, and generating superimposed sheet parameters in batches;
step 5, correlating the superimposed sheet truss rib information obtained in the step 3 and the step 4 with superimposed sheet truss rib parameters in the superimposed sheet deepening design drawing template in the step 1 by a program, generating a superimposed sheet truss rib BIM model in batches, and drawing the superimposed sheet truss ribs based on CAD in batches;
step 6, programming to correlate the stress bar information of the superimposed sheet obtained in the step 3 and the step 4 with the reinforcement parameters and the hanging point parameters in the two directions of the superimposed sheet deepening design drawing template in the step 1, and generating BIM models of the reinforcement and the hanging point in the two directions of the superimposed sheet in batches;
step 7, assembling truss ribs, steel bars and hanging points of the laminated slab to generate a laminated slab model;
step 8, designing a superimposed sheet object according to the generated superimposed sheet model, and performing strength test on the superimposed sheet object to obtain a strength test result;
and 9, adjusting parameters in the steps 5-7 based on the strength test result.
2. The device for testing the strength of the superimposed sheet material object is used for testing the strength of the superimposed sheet material object generated in the method, and is characterized by comprising a platform (10), wherein an opening is formed in the platform (10) in a penetrating manner, and a fixing device for fixing the superimposed sheet (20) and a rotating device for driving the fixing device to rotate are arranged at the opening;
and a collision device for collision of the laminated plates (20) is arranged above the platform (10).
3. The laminated slab strength testing device according to claim 2, wherein the fixing device comprises a supporting plate (30) and a clamp, the supporting plate (30) is respectively arranged at two sides in the width direction of the opening, and the fixing plates (21) are respectively arranged at two ends of the top of the supporting plate (30);
the clamp comprises a clamping plate (22) and a driving assembly, wherein the clamping plate (22) is arranged at the top of the supporting plate (30) and is positioned between the two fixing plates (21), and the driving assembly is used for driving the clamping plate (22) to move along the length direction of the supporting plate (30).
4. A laminated plate strength testing device according to claim 3, wherein the top of the supporting plate (30) is provided with a groove (24), the driving assembly comprises a screw (23), two ends of the screw (23) are rotatably connected with two ends of the groove (24), the bottom of the clamping plate (22) is provided with a sliding block (221) which is embedded in the groove (24) in a sliding manner, and the sliding block (221) is in threaded connection with the screw (23).
5. The laminated slab strength testing device according to claim 2, wherein the rotating device comprises a first rotating shaft (25), one end of the first rotating shaft (25) is connected with the fixing device, the other end of the first rotating shaft penetrates out of the platform (10) and is rotationally connected with the platform (10), and a first motor (26) for driving the first rotating shaft (25) to rotate is arranged on the platform (10).
6. The laminated slab strength testing device according to claim 2, wherein supporting legs (11) are arranged at the bottom of the platform (10), and pulleys (12) are arranged at the bottoms of the supporting legs (11).
7. The laminated slab strength testing device according to claim 2, wherein the collision device comprises a collision ball (56), the collision ball (56) is supported above the platform (10) through a support frame (40), a take-up pulley (50) is arranged at the top of the support frame (40), a connecting wire (55) is arranged on the take-up pulley (50), one end of the connecting wire (55) is connected with the take-up pulley (50), the other end of the connecting wire is connected with the collision ball (56), a connecting frame (51) is arranged at the top of the support frame (40), and the take-up pulley (50) is rotationally connected with the connecting frame (51) through a second rotating shaft (52).
8. The laminated slab strength testing device according to claim 7, wherein the top of the supporting frame (40) is provided with an air cylinder (54) and a motor, the motor is in sliding connection with the supporting frame (40), an inserting column (531) is fixedly connected to the output end of the motor, the inserting column (531) is in a polygonal shape, one end of the second rotating shaft (52) is provided with a slot (521) matched with the inserting column (531), the air cylinder (54) is arranged at the top of the motor supporting frame (40), and the output end of the air cylinder (54) is connected with one end of the motor far away from the second rotating shaft (52).
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| CN202311005074.XA CN117390730A (en) | 2023-08-10 | 2023-08-10 | Superimposed sheet modeling method based on digital twinning |
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