CN218664982U - Parallel type flexible cable automatic leveling lifting appliance - Google Patents
Parallel type flexible cable automatic leveling lifting appliance Download PDFInfo
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- CN218664982U CN218664982U CN202221834394.7U CN202221834394U CN218664982U CN 218664982 U CN218664982 U CN 218664982U CN 202221834394 U CN202221834394 U CN 202221834394U CN 218664982 U CN218664982 U CN 218664982U
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Abstract
The utility model belongs to the technical field of automatic hoist and mount, a parallel flexible cable automatic leveling hoist is related to, include: rings mounting bracket, many ropes, a plurality of rope actuating mechanism, main platform, counter weight platform, a plurality of connecting piece, a plurality of counter weight moving mechanism, a plurality of suspender, the first end of rope with rings mounting bracket is adorned admittedly and is connected, and many ropes are radial symmetry and arrange, rope actuating mechanism sliding connection the second end of rope, the main platform is located the below of rings mounting bracket, a plurality of rope actuating mechanism install the top surface of main platform, the counter weight platform is located the below of main platform, the radial symmetry of a plurality of counter weight moving mechanism is installed the top surface of counter weight platform. The utility model discloses a lifting by crane the purpose of spacecraft focus with the spacecraft leveling in the real-time automatically regulated spacecraft stage, improved the hoist and mount efficiency of spacecraft greatly.
Description
Technical Field
The utility model belongs to the technical field of automatic hoist and mount, especially, parallel flexible cable automatic leveling hoist.
Background
In the transferring and assembling process of various large-scale equipment, the leveling lifting appliance is widely applied. In particular, in the process of spacecraft assembly, test and experiment (AIT), the adjusted component is often required to reach a desired attitude so as to meet operations such as docking and assembling, and therefore, a leveling hanger is often required. The leveling lifting appliance has great use value in the operations of loading, unloading and transferring of the spacecraft component, installation of the box body, installation of a large-sized payload and the like. With the continuous development of the aerospace industry, the aerospace products are large-sized, complicated and diversified, the AIT process of the spacecraft has qualitative leap on the requirements of quality, precision and safety of operation, and a horizontal adjustment lifting appliance with adaptability to spacecrafts with different centroids gradually becomes an important direction for the development of the lifting appliance of the spacecraft.
At the present stage, for a hoisting working condition that the mass center of a spacecraft is unknown, a traditional hoisting tool is generally formed by connecting a hoisting beam and a hoisting cable, the hoisting process mainly depends on human experience, the problems of unquantized part pose adjustment, low positioning precision, unstable operation, low adjustment efficiency and the like exist, and the requirement on hoisting and pose adjustment is difficult to realize. The existing automatic leveling lifting appliance is low in automation degree and insufficient in expandability, and the operation safety and efficiency of the spacecraft in the lifting process are required to be improved. Therefore, the research on the automatic leveling lifting appliance and the leveling mechanism thereof is very meaningful.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a parallel flexible cable automatic leveling hoist, this hoist and method can realize automatic adjustment rings mounting bracket position and the focus of spacecraft when hoist and mount spacecraft, realize steadily lifting by crane and install.
The utility model discloses the hoist adopts the appearance mechanism of transferring of rope drive counter weight, it is flexible to drive the rope through lead screw swivelling movement nut, realize hoisting platform about, by a wide margin skew, realize hoisting platform's small range compensation skew through removing rings mounting bracket and the heavy position of joining in marriage piece, whether remove the in-process and judge the hoist levelness through the angular transducer on the main platform and satisfy the requirement, can realize adjusting the purpose of spacecraft focus with the spacecraft leveling in real time in the spacecraft phase of lifting by crane through this mode, the hoisting efficiency of spacecraft is greatly improved. A switching interface is designed below the balance weight platform, so that different expansion platforms can be connected, and the universality of the lifting appliance is realized.
In the actual operation process, the cable moves on the pulley to cause deviation, the change of the length of the cable can bring the position change of the flying ring mounting frame, and the overhead traveling crane needs to be moved in the adjusting process, so that the adjusting precision can be influenced, and the leveling error of the spacecraft is large. To this problem, the utility model provides a coarse adjustment adds the mode of regulation of fine tuning, when eccentric scope is less, utilizes the removal of balancing weight to realize quick accurate leveling, through this method, can promote entire system's leveling precision, realizes that hoisting platform's automatic leveling and spacecraft steadily lift by crane and install.
The utility model provides a technical scheme that technical problem adopted is:
the utility model discloses an aspect provides a parallel flexible cable self leveling hoist, include: the lifting device comprises a lifting ring mounting frame, a plurality of ropes, a plurality of rope driving mechanisms, a main platform, a counterweight platform, a plurality of connecting pieces, a plurality of counterweight moving mechanisms and a plurality of hanging belts, wherein a lifting ring is mounted at the center of the top surface of the lifting ring mounting frame; the rope is provided with a first end and a second end, the first end of the rope is fixedly connected with the hanging ring mounting frame, and the ropes are radially and symmetrically arranged; the rope driving mechanisms are connected with the second ends of the ropes in a sliding mode, each rope driving mechanism is connected with one rope, and the rope driving mechanisms are radially and symmetrically arranged; the main platform is positioned below the lifting ring mounting frame, and the rope driving mechanisms are arranged on the top surface of the main platform; the counterweight platform is positioned below the main platform; the connecting pieces are radially and symmetrically arranged between the main platform and the counterweight platform; the counterweight moving mechanisms are radially and symmetrically arranged on the top surface of the counterweight platform; the plurality of hanging strips are radially and symmetrically arranged on the bottom surface of the counterweight platform.
Further, the rope drive mechanism includes: the device comprises a supporting plate, a lead screw, a driving frame, a moving frame and a pulley, wherein a first end of the lead screw is connected with a lead screw driver, the lead screw driver is arranged on the top surface of the supporting plate, a second end of the lead screw is supported by a lead screw supporting frame, and a lead screw nut is connected to the lead screw in a meshed manner; the movable frame is fixedly connected with the screw nut, and the second end of the rope is fixedly connected with the movable frame; the pulley is installed in one side of the movable frame, and the rope is wound around the pulley.
Further, the counterweight moving mechanism includes: the counterweight platform comprises an X-direction lead screw and a drive thereof, a Y-direction lead screw and a drive thereof, and a plurality of counterweight blocks, wherein the first end of the X-direction lead screw is connected with the X-direction lead screw drive, the two ends of the X-direction lead screw are supported by a lead screw bracket, and the X-direction lead screw drive and the lead screw bracket are fixedly arranged on the top surface of the counterweight platform; the Y-direction lead screw and the X-direction lead screw are arranged in a cross manner, the first end of the Y-direction lead screw is connected with a Y-direction lead screw drive, the second end of the Y-direction lead screw is supported by a lead screw support, and the Y-direction lead screw drive and the lead screw support are both fixedly arranged on the top surface of the counterweight platform; the balancing weight is uniformly arranged on the X-direction lead screw and the Y-direction lead screw nut.
Further, the rope drive mechanism further includes: the guide rail is arranged on the top surface of the main platform, and a sliding block of the guide rail is fixedly connected with the bottom surface of the supporting plate; the connecting shaft penetrates through the main platform, the connecting shaft is vertically arranged and is provided with an upper end and a lower end, the upper end of the connecting shaft and the bottom surface of the supporting plate are fixedly connected with the flange bearing, the flange bearing is installed on the bottom surface of the main platform, and the flange bearing is connected with the lower end of the connecting shaft.
Further, the rope drive mechanism further includes: and the linear guide rail is arranged on the top surface of the supporting plate, and a sliding block of the linear guide rail is fixedly connected with the movable frame.
Furthermore, the counterweight device also comprises an auxiliary guide rail, wherein the auxiliary guide rail is arranged on the top surface of the counterweight platform, and a sliding block of the auxiliary guide rail is connected with the counterweight block.
Further, a tilt sensor is installed at the center of the top surface of the main platform.
Furthermore, a tension sensor is arranged at the connecting end position of the sling and the counterweight platform.
The utility model has the advantages that:
1. the utility model discloses a rope drives the accent appearance mechanism that adds the counter weight, it is flexible to drive the rope through lead screw swivelling movement nut, changes rope length and just transfers, can reduce spacecraft barycenter deviation scope fast, utilizes the change of balancing weight position to realize accurate leveling, and accommodation process is continuous stable, realizes lifting by crane the purpose of spacecraft focus with the spacecraft leveling in the real-time automatically regulated spacecraft focus of spacecraft stage, has improved the hoist and mount efficiency of spacecraft greatly.
2. The utility model discloses appearance is transferred in hoist and mount to parallel flexible cable automatic leveling hoist realizes dynamic continuous accent appearance, simple structure, transfers the appearance nimble fast, has promoted whole hoist and mount system's precision and stability, has improved hoist and mount efficiency, safe and reliable, energy-concerving and environment-protective, the operation of being convenient for.
3. The utility model discloses operation process is simple, and device structure scalability is strong, can satisfy the operating personnel of different levels and experience, and the security and the efficiency of operation improve greatly.
Drawings
Fig. 1 is a three-dimensional structure diagram of a leveling spreader according to an embodiment of the present invention;
fig. 2 is a perspective view of a rope drive mechanism of a leveling spreader according to an embodiment of the present invention;
fig. 3 is a three-dimensional structure view of an arc-shaped guide rail and a connecting shaft of the leveling hanger according to the embodiment of the present invention;
fig. 4 is a perspective view of a counterweight moving mechanism of a leveling spreader according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
A parallel flexible cable self-leveling lifting appliance comprises: the lifting ring comprises a lifting ring mounting frame 1, a plurality of ropes 2, a plurality of rope driving mechanisms 3, a main platform 7, a counterweight platform 8, a plurality of connecting pieces 10, a plurality of counterweight moving mechanisms 11 and a plurality of hanging belts 9.
The main body of the lifting ring mounting frame 1 is triangular, a lifting ring 1-1 is mounted in the center of the top surface, and three rope fasteners are radially and symmetrically mounted on the bottom surface and used for fixing the ropes 2.
Preferably, the number of the ropes 2 is three, the ropes have first ends and second ends, the first ends of the ropes 2 are connected with the rope lock catch of the lifting ring mounting frame 1, and the ropes 2 are radially and symmetrically arranged; the rope driving mechanisms 3 are connected with the second ends of the ropes 2 in a sliding mode, each rope driving mechanism 3 is connected with one rope 2, and the three rope driving mechanisms 3 are arranged in a radial symmetry mode.
The main platform 7 is positioned below the lifting ring mounting frame 1 and is parallel to the lifting ring mounting frame 1, and the rope driving mechanisms 3 are arranged on the top surface of the main platform 7. The counterweight platform 8 is positioned below the main platform 7 and is parallel to the main platform 7. A plurality of counterweight moving mechanisms 11 are radially and symmetrically arranged on the top surface of the counterweight platform 8; the plurality of hanging strips 9 are radially and symmetrically arranged on the bottom surface of the counterweight platform 8.
In order to connect the main platform 7 and the counter weight platform 8, a plurality of connecting members 10 are installed at regular intervals between the main platform 7 and the counter weight platform 8. The connecting piece 10 is a connecting column, and the upper end and the lower end of the connecting column are made into flange connecting parts.
As shown in fig. 2, the rope drive mechanism 3 is used for pulling the rope 2, and includes: the device comprises a supporting plate 3-1, a screw rod 3-4, a driving and moving frame 3-7 and pulleys 3-8, wherein a first end of the screw rod 3-4 is connected with a screw rod driver, the screw rod driver is installed on the top surface of the supporting plate 3-1, a second end of the screw rod 3-4 is supported by a screw rod supporting frame 3-6, and a screw rod nut 3-5 is connected to the screw rod 3-4 in a meshed mode; the moving frame 3-7 is fixedly connected with the screw nut 3-5, and the second end of the rope 2 is fixedly connected with the moving frame 3-7; the pulleys 3-8 are arranged on one side of the moving frame 3-7, the rope 2 is wound around the pulleys 3-8, and the pulleys 3-8 are supported and fixed on the top surface of the supporting plate 3-1 through pulley supports 3-12.
The screw rod drive comprises a servo motor 3-2, a speed reducer 3-3, an output shaft of the servo motor 3-2 is connected with the speed reducer 3-3 through a coupling, the servo motor 3-2 is supported and fixed on the top surface of the supporting plate 3-1 through a motor support 3-9, the speed reducer 3-3 is supported and fixed on the top surface of the supporting plate 3-1 through a speed reducer support 3-10, and the first end of the screw rod 3-4 is connected with the speed reducer 3-3.
As shown in fig. 3, in order to realize the left-right deviation of the rope 2, the rope driving mechanism 3 further includes: the device comprises an arc-shaped guide rail 4, a connecting shaft 6 and a flange bearing 5, wherein the arc-shaped guide rail 4 is installed on the top surface of a main platform 7, and a sliding block of the arc-shaped guide rail 4 is fixedly connected with the bottom surface of a supporting plate 3-1; the connecting shaft 6 penetrates through the main platform 7, the connecting shaft 6 is vertically arranged and is provided with an upper end and a lower end, and the upper end of the connecting shaft 6 is fixedly connected with the bottom surface of the supporting plate 3-1. The flange bearing 5 is arranged on the bottom surface of the main platform 7, and the flange bearing 5 is connected with the lower end of the connecting shaft 6.
In order to define the moving direction of the moving frame 3-7, the rope driving mechanism 3 further comprises: two linear guide rails 3-11 are arranged, the two linear guide rails 3-11 are parallelly installed on the top surface of the supporting plate 3-1 at intervals, and sliding blocks of the linear guide rails 3-11 are fixedly connected with two ends of the moving frame 3-7.
As shown in fig. 4, the counterweight moving mechanism 11 includes: an X-direction lead screw 11-2 and a drive thereof, a Y-direction lead screw 11-3 and a drive thereof, and a plurality of balancing weights 11-1. The first end of the X-direction lead screw 11-2 is connected with an X-direction lead screw drive, the second end of the X-direction lead screw 11-2 is supported by a lead screw bracket 11-5, and the X-direction lead screw drive and the lead screw bracket 11-5 are both fixedly arranged on the top surface of the counterweight platform; the Y-direction lead screw 11-3 and the X-direction lead screw 11-2 are arranged in a cross manner, the first end of the Y-direction lead screw 11-3 is connected with a Y-direction lead screw drive, the second end of the Y-direction lead screw 11-3 is supported by a lead screw support 11-5, and the Y-direction lead screw drive and the lead screw support 11-5 are both fixedly arranged on the top surface of the counterweight platform;
the X-direction lead screw drive and the Y-direction lead screw drive respectively adopt an X-direction servo motor 11-7 and a Y-direction servo motor 11-4. The X-direction servo motor 11-7 and the Y-direction servo motor 11-4 are respectively connected with an X-direction lead screw 11-2 and a Y-direction lead screw 11-3 through a coupling member 11-6. Two ends of the X-direction lead screw 11-2 and the Y-direction lead screw 11-3 are respectively supported by a lead screw bracket 11-5.
The balancing weights 11-1 are uniformly arranged on the X-direction lead screw 11-2 and the Y-direction lead screw 11-3. Preferably, two balancing weights 11-1 are arranged on the X-direction lead screw 11-2, and two balancing weights 11-1 are arranged on the Y-direction lead screw 11-3.
In order to limit the moving direction of the balancing weight 11-1, the balancing weight further comprises an auxiliary guide rail 11-8, the auxiliary guide rail 11-8 is installed on the top surface of the balancing weight platform 8, and a sliding block of the auxiliary guide rail 11-8 is connected with the balancing weight 11-1. The number of the auxiliary guide rails 11-8 is two, and the two auxiliary guide rails are respectively arranged on two sides of the balancing weight 11-1.
The working method of the parallel flexible cable automatic leveling lifting appliance comprises the following steps:
(1) Moving the positions of a moving frame 3-7 and a balancing weight 11-1 in the device to an initial position;
(2) Connecting the spacecraft to a plurality of hanging strips 9 below a balance weight platform 8, hanging a hanging rope of a crown block on a hanging ring 1-1 of a hanging ring mounting frame 1, and slowly lifting;
(3) Detecting the states of an inclination angle sensor at the main platform 7 and a tension sensor at the hanging strip 9, reading the values of the sensors, judging whether the angle meets the levelness requirement, if so, continuing to lift, and if not, judging whether the angle range meets the fine adjustment range value;
(4) If the angle range does not meet the fine adjustment range value, the optimal support plate 3-1 action is solved according to the leveling algorithm, and the specific steps are as follows:
(1) judging the eccentric position of the main platform 7 according to the inclination angle measured by the inclination angle sensor;
(2) selecting an optimal adjusting scheme according to the eccentric position, so as to adjust the action of the supporting plate 3-1 according to an adjusting algorithm;
(5) The moving frame 3-7 moves by rotating the screw rod 3-4, the rope 2 stretches along the moving direction of the moving frame 3-7 through the pulleys 3-8, and the change of the length of the rope 2 causes the rope 2 to generate angle change, so that the whole supporting plate 3-1 rotates along the arc-shaped guide rail 4 in a small range by taking the connecting shaft 6 as a shaft, and meanwhile, the rope 2 can slide on the pulleys 3-8;
(6) The system monitors an inclination angle sensor at the main platform 7 and a tension sensor at the hanging strip 9 in real time, judges whether the angle meets the fine adjustment range value, if not, the moving frames 3-7 continue to move, the rope 2 continues to stretch until the hanger meets the fine adjustment range value, and if so, the fine adjustment is started;
(7) The position of the counterweight block 11-1 on the counterweight platform 8 is adjusted according to a leveling algorithm, and the method comprises the following specific steps:
(1) judging the eccentric position of the lifting appliance platform according to the measured inclination angle of the inclination angle sensor;
(2) adjusting the position of a balancing weight 11-1 according to the eccentric position and an adjusting algorithm;
(8) When the fine adjustment in the step (7) is carried out, the system monitors the data fed back by the inclination angle sensor and the tension sensor of the hanging strip 9 at the main platform 7 in real time, and if the levelness of the hanging tool does not meet the requirement, the step (7) is continuously carried out until the levelness of the hanging tool meets the requirement; and if the levelness of the lifting appliance meets the requirement, starting to lift the spacecraft.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a parallel flexible cable self leveling hoist which characterized in that includes:
a lifting ring (1-1) is arranged at the center of the top surface of the lifting ring mounting rack (1) and the lifting ring mounting rack (1);
the hoisting ring mounting frame comprises a plurality of ropes (2), wherein the ropes (2) are provided with first ends and second ends, the first ends of the ropes (2) are fixedly connected with the hoisting ring mounting frame (1), and the ropes (2) are radially and symmetrically arranged;
the rope driving mechanisms (3) are connected with the second ends of the ropes (2) in a sliding mode, each rope driving mechanism (3) is connected with one rope (2), and the rope driving mechanisms (3) are arranged in a radial symmetry mode;
the main platform (7) is positioned below the lifting ring mounting frame (1), and the rope driving mechanisms (3) are arranged on the top surface of the main platform (7);
a counterweight platform (8), said counterweight platform (8) being located below said main platform (7);
a plurality of connectors (10), said plurality of connectors (10) being radially symmetrically mounted between said main platform (7) and said counterweight platform (8);
a plurality of counterweight moving mechanisms (11), wherein the counterweight moving mechanisms (11) are radially and symmetrically arranged on the top surface of the counterweight platform (8);
the hanging strips (9) are radially and symmetrically arranged on the bottom surface of the counterweight platform (8).
2. A parallel flexible line self-leveling spreader according to claim 1, wherein the rope drive mechanism (3) comprises:
a support plate (3-1);
the screw rod (3-4) and a drive thereof, wherein the first end of the screw rod (3-4) is connected with the screw rod drive, the screw rod drive is installed on the top surface of the support plate (3-1), the second end of the screw rod (3-4) is supported by a screw rod support frame (3-6), and the screw rod (3-4) is connected with a screw rod nut (3-5) in a meshing manner;
the moving frame (3-7), the moving frame (3-7) is fixedly connected with the lead screw nut (3-5), and the second end of the rope (2) is fixedly connected with the moving frame (3-7);
pulleys (3-8), the pulleys (3-8) are arranged on one side of the moving frame (3-7), and the rope (2) is wound around the pulleys (3-8).
3. A parallel flexible line auto-leveling spreader according to claim 1 or 2, wherein the counterweight moving mechanism (11) comprises:
the X-direction lead screw (11-2) and a drive thereof, wherein the first end of the X-direction lead screw (11-2) is connected with the X-direction lead screw drive, the two ends of the X-direction lead screw (11-2) are supported by lead screw supports (11-5), and the X-direction lead screw drive and the lead screw supports (11-5) are fixedly arranged on the top surface of the counterweight platform (8);
a Y-direction lead screw (11-3) and a drive thereof, wherein the Y-direction lead screw (11-3) and the X-direction lead screw (11-2) are arranged in a cross manner, the first end of the Y-direction lead screw (11-3) is connected with the Y-direction lead screw drive, the second end of the Y-direction lead screw (11-3) is supported by a lead screw bracket (11-5), and the Y-direction lead screw drive and the lead screw bracket (11-5) are both fixedly arranged on the top surface of the counterweight platform (8);
the balancing weights (11-1) are uniformly arranged on the X-direction lead screw (11-2) and the Y-direction lead screw (11-3).
4. A parallel flexible line self-leveling spreader according to claim 2, wherein the rope drive mechanism (3) further comprises:
the arc-shaped guide rail (4) is installed on the top surface of the main platform (7), and a sliding block of the arc-shaped guide rail (4) is fixedly connected with the bottom surface of the supporting plate (3-1);
the connecting shaft (6) penetrates through the main platform (7), the connecting shaft (6) is vertically arranged and is provided with an upper end and a lower end, and the upper end of the connecting shaft (6) is fixedly connected with the bottom surface of the supporting plate (3-1);
the flange bearing (5), install flange bearing (5) the bottom surface of main platform (7), flange bearing (5) with the lower extreme of connecting axle (6) is connected.
5. A parallel flexible cable auto-leveling spreader according to claim 1, wherein an inclination sensor is mounted at the center of the top surface of the main platform (7).
6. A parallel flexible cable automatic leveling spreader according to claim 1, wherein a tension sensor is installed at the end where the sling (9) is connected to the counterweight platform (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221834394.7U CN218664982U (en) | 2022-07-18 | 2022-07-18 | Parallel type flexible cable automatic leveling lifting appliance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221834394.7U CN218664982U (en) | 2022-07-18 | 2022-07-18 | Parallel type flexible cable automatic leveling lifting appliance |
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| CN218664982U true CN218664982U (en) | 2023-03-21 |
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| CN202221834394.7U Active CN218664982U (en) | 2022-07-18 | 2022-07-18 | Parallel type flexible cable automatic leveling lifting appliance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116177384A (en) * | 2023-04-27 | 2023-05-30 | 济宁四通工程机械有限公司 | Lifting machine based on balanced function of hanging |
| CN117446638A (en) * | 2023-11-17 | 2024-01-26 | 宜兴市万华法兰锻造有限公司 | Auxiliary device and method for transporting ring-forging flange for high-capacity monocrystalline silicon furnace |
-
2022
- 2022-07-18 CN CN202221834394.7U patent/CN218664982U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116177384A (en) * | 2023-04-27 | 2023-05-30 | 济宁四通工程机械有限公司 | Lifting machine based on balanced function of hanging |
| CN117446638A (en) * | 2023-11-17 | 2024-01-26 | 宜兴市万华法兰锻造有限公司 | Auxiliary device and method for transporting ring-forging flange for high-capacity monocrystalline silicon furnace |
| CN117446638B (en) * | 2023-11-17 | 2024-05-28 | 宜兴市万华法兰锻造有限公司 | Auxiliary device and method for transporting ring-forging flange for high-capacity monocrystalline silicon furnace |
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