CN104649182A - Conveying equipment for rotary lifting of large cylindrical workpiece - Google Patents

Abstract

The invention discloses a conveying device for rotating and lifting a large cylindrical workpiece, which comprises a main body frame. A first intermediate shaft and a second intermediate shaft parallel to each other are installed on the main body frame. The first intermediate rotating shaft and the second intermediate rotating shaft synchronously rotate the reduction motor, the first intermediate rotating shaft and the second intermediate rotating shaft are respectively connected with the first sprocket mechanism and the second sprocket mechanism, and the two ends of the lifting platform are respectively connected to the second intermediate rotating shaft. On the first sprocket mechanism and the second sprocket mechanism, the lifting platform includes a support, a swing rod is hinged on the support, and a workpiece storage seat is installed on the swing rod. The present invention improves the existing method for rotating and lifting large cylindrical workpieces, realizes the automation of lifting and rotating, and improves efficiency; designs temporary storage, and combines with the large cylindrical workpiece storage system in the factory to conveniently realize the transfer of workpiece positions.

Description

A conveying device for rotating and lifting large cylindrical workpieces

technical field

The invention belongs to the field of conveying equipment, and more specifically relates to a conveying equipment for rotating and lifting large cylindrical workpieces.

Background technique

There are many large cylindrical workpieces in the factory, such as large oil pipes, seamless steel pipes, iron bars, etc. There are storage and transfer problems in the production and storage of these cylindrical workpieces. At present, the storage and transfer process of large cylindrical workpieces relies on manual work, or with electric hoist suspension to achieve lifting and lateral movement. This method has a low degree of automation and requires workers to be skilled and physically strong. Moreover, in some production lines, cylindrical workpieces are required to be conveyed at a certain angle to the vertical plane, so the storage system and lifting system designed for parallel conveying of workpieces are no longer applicable.

Contents of the invention

In view of the above defects or improvement needs of the prior art, the present invention provides a conveying device for rotating and lifting large cylindrical workpieces, which can rotate large cylindrical workpieces around a vertical axis, and can make the workpieces rotate in a vertical plane. Transport at a certain angle.

In order to achieve the above object, according to one aspect of the present invention, a conveying device for rotating and lifting large cylindrical workpieces is provided, which includes a main frame, and a first intermediate shaft and a second intermediate shaft parallel to each other are installed on the main frame. shaft, the main body frame is also equipped with a geared motor capable of driving the first intermediate shaft and the second intermediate shaft to rotate synchronously, the first intermediate shaft and the second intermediate shaft are respectively connected with a first sprocket mechanism and a second sprocket mechanism, The two ends of the lifting platform for storing workpieces are respectively connected to the first sprocket mechanism and the second sprocket mechanism, and the lifting platform includes supports fixedly connected to the chains of the first sprocket mechanism and the second sprocket mechanism, The support is hinged with a swing rod through the vertically arranged first pin shaft, and a plurality of workpiece storage seats for placing workpieces are installed on the swing rod. The workpiece storage seats are arranged along the longitudinal direction of the swing rod, and each workpiece storage seat The top ends are provided with arc grooves consistent with the outer diameter of the cylindrical workpiece, and the axes of all the arc grooves are on the same line.

Preferably, a plurality of storage seat support devices are installed on the support, and each workpiece storage seat is respectively installed on a storage seat support device, and the storage seat support device includes a first guide rail installed on the support, the second A first slider is installed on a guide rail, a sliding seat is installed on the first slider, the sliding seat is connected to a rotating seat through a second pin shaft, the second pin shaft is vertically arranged, and a second guide rail is arranged on the rotating seat. The second guide rail is perpendicular to the first guide rail, the second slide block is installed on the second guide rail, the workpiece storage seat is fixedly installed on the second slide block, and the first slide block can drive the workpiece storage when sliding along the first guide rail The seat rotates around the axis of the first pin shaft.

Preferably, a ball screw mechanism is connected to the sliding seat of one of the storage seat supporting devices, and the ball screw mechanism is driven to move by a servo motor.

Preferably, the geared motor is provided with an output shaft, the output shaft passes through the geared motor and its two ends are respectively connected to a drive shaft, each drive shaft is connected to a gear reversing box, the first shaft and the second The two rotating shafts are respectively connected to the output shaft of a gear reversing box.

Preferably, the ball screw mechanism is connected to the sliding seat of the storage seat support device farthest from the first pin shaft.

Preferably, an aisle board for walking is hinged on the top end of the support, the aisle board is located above the first guide rail, and a support platform for supporting the aisle board is provided on the aisle board.

Preferably, it also includes an aisle system, the aisle system includes a fixed staircase installed on the main frame, the fixed staircase is respectively connected with a transition board and a transition rod through the third pin shaft and the fourth pin shaft, and the transition board is located above the transition rod , the other end of the transition plate is hinged with a retractable staircase for placing on the support through the fifth pin, the telescopic staircase is hinged on the transition rod through the sixth pin, the third pin, the second The four pins, the fifth pin and the sixth pin are arranged in a square; the main frame is equipped with an aisle motor, and the output shaft of the aisle motor is equipped with a stay rope that can be wound on the output shaft. Attached to side frames of retractable stairs.

Preferably, the telescopic staircase includes a side frame and a plurality of pedals arranged on the side frame, each pedal is hinged on the side frame through the seventh pin shaft, and the transition plate is hinged to the transition frame through the eighth pin shaft , the transition frame is located between the fixed staircase and the retractable staircase, the pedals are hinged on the transition frame through the ninth pin shaft, the fifth pin shaft, any seventh pin shaft, the ninth pin shaft and the eighth pin shaft are arranged in a square .

Preferably, the top of the main body frame is provided with a gap to facilitate the lifting of the workpiece, and the top of the main body frame is arranged with a plurality of open and close support devices, and the positions of the open and close support devices are staggered from the positions of the workpiece storage seats. The closed support device includes a workpiece support seat for storing cylindrical workpieces. The workpiece support seat includes a first support seat and a second support seat. The first support seat and the second support seat can be separated and approached to each other. The first support seat passes through The first motor and the first ball screw mechanism drive it to move, and the second support base drives it to move through the second motor and the second ball screw mechanism.

Preferably, a first linear guide rail and a second linear guide rail are provided on the top of the main frame, and the first support base and the second support base are installed on the first linear guide rail and the second linear guide rail respectively.

Generally speaking, compared with the prior art, the above technical solutions conceived by the present invention can achieve the following beneficial effects:

1), the present invention improves the existing method of rotating and lifting large cylindrical workpieces, realizes the automation of lifting and rotating, improves work efficiency, and reduces labor intensity of workers;

2), the rotary lifting platform designed by the present invention can rotate large cylindrical workpieces on the horizontal plane, and can transport the workpieces when they form a certain angle with the vertical plane, which is convenient for the external conveying mechanism to take away the workpieces;

3), the present invention adopts shaft synchronous output power, uses sprocket to realize the synchronism of both ends of lifting frame, convenient and simple. The sprocket has a large bearing capacity, good synchronization, and the structure is simple and easy to correct and adjust;

4), the rotary system designed on the rotary lifting platform designed by the present invention is composed of the first pin shaft, the swing rod and other components, which can realize the rotary motion of the large cylindrical workpiece, which is easy to process, manufacture and install, and saves the production cost;

5), designed a temporary storage area, combined with the large cylindrical workpiece storage system in the factory to facilitate the transfer of the workpiece position;

6) The aisle system is designed for easy retraction, so that the aisle system does not take up space and can meet the requirements for people to pass through.

Description of drawings

Figures 1 to 3 are schematic structural views of the present invention under different viewing angles;

Fig. 4 is a schematic structural view of the present invention after removing the main body frame and the open and close support device;

Figure 5 is an enlarged view of A in Figure 1

FIG. 6 is an enlarged view at B in FIG. 3 .

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

Referring to Figures 1 to 5, a conveying device for rotating and lifting large cylindrical workpieces, including a main body frame 1, on which a first intermediate shaft 23 and a second intermediate shaft 24 parallel to each other are installed, the main body A reduction motor 2 capable of driving the first intermediate rotating shaft 23 and the second intermediate rotating shaft 24 to rotate synchronously is also installed on the frame 1 . The geared motor 2 can drive the first intermediate shaft 23 and the second intermediate shaft 24 to rotate synchronously through many existing methods, such as through a synchronous belt mechanism or other transmission mechanisms. As a preference, the geared motor 2 is provided with an output shaft, the output shaft passes through the geared motor 2 and its two ends are respectively connected with drive shafts 21, and each drive shaft 21 is connected with a gear reversing box 22, The first rotating shaft 31 and the second rotating shaft 32 are respectively connected to the output shaft of a gear reversing box 22 . The first intermediate rotating shaft 23 and the second intermediate rotating shaft 24 are respectively connected with a first sprocket mechanism 25 and a second sprocket mechanism 26, and the two ends of the elevating table 3 for storing workpieces are respectively connected to the first sprocket mechanism 25 and the second intermediate rotating shaft 24. On the second sprocket mechanism 26, the elevating platform 3 comprises the support 31 that is fixedly connected on the chain of the first sprocket mechanism 25 and the second sprocket mechanism 26, the first sprocket mechanism 25 and the second sprocket mechanism 26 The chains rotate under the drive of the first intermediate rotating shaft 23 and the second intermediate rotating shaft 24 respectively, thereby driving the lifting platform 3 to rise and fall. Geared motor 2 can forward and reverse, and when its power shaft rotates towards one direction, it drives lifting platform 3 to rise, and when it rotates towards the other direction, then it can drive lifting platform 3 to descend.

The support 31 is hinged with a swing lever 32 through a vertically arranged first pin 30 , so that it can rotate above the support 31 . A plurality of workpiece storage seats 33 for placing workpieces are installed on the swing rod 32. The workpiece storage seats 33 are arranged longitudinally along the swing rod 32. The top of each workpiece storage seat 33 is provided with an arc consistent with the outer diameter of the cylindrical workpiece. Shaped groove 331, the axes of all arc-shaped grooves 331 are on the same line, so that all workpiece storage seats 33 can hold a workpiece together. The swing rod 32 can drive the workpiece to rotate around the axis of the first pin shaft 30 together, and after rotating to a predetermined position, it is convenient for the external conveying equipment to take away the workpiece.

There are many ways to allow the swing lever 32 to rotate around the axis of the first pin shaft 30. As a preferred embodiment, the present invention is equipped with a plurality of storage seat support devices 4 on the support 31, and each workpiece storage seat 33 is respectively installed on the On a storage seat support device 4, with reference to Fig. 6, the storage seat support device 4 includes a first guide rail 41 installed on the support 31, a first slide block 42 is installed on the first guide rail 41, and the first slide block 42 Sliding seat 40 is installed on it, and sliding seat 40 is connected with rotating seat 44 by second bearing pin 43, and second bearing pin 43 is vertically arranged, and rotating seat 44 is provided with second guide rail 45, and second guide rail 45 is perpendicular to the first Guide rail 41, the second slide block 46 is installed on the second guide rail 45, the workpiece storage seat 33 is fixedly installed on the second slide block 46, the first slide block 42 can drive the workpiece when sliding along the first guide rail 41 The storage seat 33 rotates around the axis of the first pin shaft 30 . The sliding seat 40 can be driven by a power mechanism to move. When the first slide block 42 moved on the first guide rail 41, the second guide rail 45 on it could apply an active force on the workpiece storage seat 33 through the second slide block 46, so that the workpiece storage seat 33 drove the swing bar 32 to rotate. Or when rotating, the second slider 46 can slide on the second guide rail 45, so that the workpiece storage seat 33 and the swing bar 32 can be rotated relatively smoothly.

Preferably, a first ball screw mechanism 5 is connected to the sliding seat 40 of one of the storage seat supporting devices 4, and the first ball screw mechanism 5 is driven by a first servo motor 51 to move, so that precise control can be achieved. The first servo motor 51 drives the screw rod of the first ball screw mechanism 5 to rotate through a transmission device. Furthermore, the first ball screw mechanism 5 is connected to the sliding seat 40 of the storage seat support device 4 farthest from the first pin shaft 30. According to the principle of leverage, such a design is convenient to drive other storage seat support devices 4 The upper sliding seat 40 moves, which is conducive to reducing the rated torque of the motor.

When the first ball screw mechanism 5 drives the sliding seat 40 and the first slide block 42 to move longitudinally along the first guide rail 41, the workpiece storage seat 33 will drive the second slide block 46 to slide on the second guide rail 45, so that The rotation of the workpiece storage seat 33 and the swing lever 32 around the axis of the first pin shaft 30 is realized.

The conveying equipment also includes an aisle system 7, the aisle system 7 includes a fixed staircase 71 installed on the main body frame 1, and the fixed staircase 71 is respectively connected with a transition plate 74 and a transition rod through a third pin shaft 72 and a fourth pin shaft 73 75, the transition plate 74 is located above the transition rod 75, the other end of the transition plate 74 is hinged with a telescopic staircase 77 for placing on the support 31 through the fifth pin shaft 76, and the telescopic staircase 77 passes through the sixth The pin shaft 78 is hinged on the transition rod 75, and the third pin shaft 72, the fourth pin shaft 73, the fifth pin shaft 76 and the sixth pin shaft 78 are arranged in a square shape; the aisle motor is installed on the main frame 1 , the output shaft of the aisle motor is equipped with a stay cord that can be wound on the output shaft, and the stay cord is connected to the side frame 771 of the retractable staircase 77 . When the stay rope is wound on the output shaft of the aisle motor, the side frame 771 of the telescopic staircase 77 can be pulled to move in a direction close to the aisle motor, and the parts connected on the third pin shaft 72 to the sixth pin shaft 78 are respectively wound around these pin shafts The axis of rotation, so just can retractable staircase 77 be packed up. When the output shaft of the aisle motor rotates in the opposite direction, the stay rope is unclamped, and the telescopic staircase 77 can be placed on the support 31 .

Further, the top end of the support 31 is hinged with an aisle plate 6 for walking, and the aisle plate 6 is located above the first guide rail 41 . The aisle plate 6 is provided with a support platform 61 for supporting the aisle plate 6 . After the aisle plate 6 is overturned, the support platform 61 contacts the support 31 and is located between the aisle plate 6 and the support 31 to support the aisle plate 6 . After turning over the aisle board 6 , workers can walk on the aisle board 6 , thereby avoiding pollution and damage to the first guide rail 41 by directly crossing the first guide rail 41 .

Further, the telescopic staircase 77 includes a side frame 771 and a plurality of pedals 772 arranged on the side frame 771, each pedal 772 is respectively hinged on the side frame 771 through the seventh pin shaft 79, and the transition plate 74 passes through the first The eight-pin shaft 710 is hinged with a transition frame 712, the transition frame 712 is located between the fixed staircase 71 and the telescopic staircase 77, the pedal 772 is hinged on the transition frame 712 through the ninth pin shaft 711, the fifth pin shaft 76, any seventh The pin shaft 79 , the ninth pin shaft 711 and the eighth pin shaft 710 are arranged in a square shape. After the retractable staircase 77 is hoisted by the stay rope, each pedal 772 can rotate around the axis of the seventh pin shaft 79 respectively, and the final position of each pedal 772 has a very small angle with the vertical plane, which can approximate the vertical position. , which can effectively save equipment space.

Further, the top of the main frame 1 is provided with a notch 11 for easy lifting of the workpiece, so that the workpiece can rise to a position beyond the main frame 1 under the drive of the lifting platform 3, so that the external transport equipment can transport the workpiece. The top of the main body frame 1 is arranged with a plurality of open-close support devices 8, and the positions of the open-close support devices 8 and the positions of the workpiece storage seat 33 are staggered to avoid interference and collision when the workpiece storage seat 33 rises.

The open-close support device 8 includes a workpiece support seat 81 for storing cylindrical workpieces, and the workpiece support seat 81 is also provided with a groove consistent with the arc-shaped groove 331 on the workpiece storage seat 33 . The workpiece support seat 81 includes a first support seat 82 and a second support seat 83, the first support seat 82 and the second support seat 83 can be separated and approached each other, and the first support seat 82 is driven by the second servo motor 84 and the second ball wire The rod mechanism 85 drives it to move, and the second support base 83 drives it to move through the third servo motor 86 and the third ball screw mechanism 87 . Preferably, the top of the main body frame 1 is provided with a first linear guide rail 88 and a second linear guide rail 89, and the first support seat 82 and the second support seat 83 are installed on the first linear guide rail 88 and the second linear guide rail 88 respectively. On the linear guide rail 89. When the workpiece storage seat 33 lifts the workpiece and rises, the first support seat 82 and the second support seat 83 are separated from each other, so as not to affect the rising of the workpiece. After the workpiece rises to a height exceeding the main frame 1, the first support seat 82 Close together with the second support base 83, then the workpiece storage base 33 descends, and a plurality of workpiece support bases 81 cooperate to support the workpiece. The station of the workpiece on the workpiece support seat 81 is a temporary storage area.

Referring to Fig. 1, it shows the situation that four workpiece storage seats 33 are installed on the swing rod 32, and the four workpiece storage seats 33 cooperate together to hold a cylindrical workpiece. A storage seat supporting device 4 without a motor is installed between the three workpiece storage seats 33 near the first pin shaft 30 and the support 31, and between the workpiece storage seat 33 farthest from the first pin shaft 30 and the support 31 A storage seat supporting device 4 with a motor is installed. The number of the first guide rails 41 of the storage seat supporting device 4 is preferably two, and the two first guide rails 41 are fixed on the support 31 in parallel, and the two second guide rails 45 are installed on the top of the rotating base 44 in parallel.

The corridor system 7 on the main frame 1 includes two fixed stairs 71 , two corridor boards 6 , and a retractable staircase 77 . Two fixed stairs 71 are respectively fixed on the two ends of the main body frame 1 and arranged along the longitudinal direction of the lifting platform 3 . Both aisle plates 6 are hinged on the lifting platform 3 . Along the direction away from the first pin shaft 30 , the four storage seat support devices 4 are respectively the first storage seat support device, the second storage seat support device, the third storage seat support device and the fourth storage seat support device. The hinge shaft of the corridor plate 6 close to the first bearing pin 30 is installed between the second storage seat support device and the third storage seat support device, close to the third storage seat support device, can turn over and cover the third storage seat support device The first guide rail 41 is used for the staff to pass through the third storage seat support device; the hinge shaft of the corridor plate 6 far away from the first pin shaft 30 is installed outside the fourth storage seat support device, and the passage plate 6 can be covered after turning over. Live the first guide rail 41 of the fourth storage seat support device, for the staff to pass through the fourth storage seat support device, after the two aisle boards 6 are all overturned, they can walk for workers.

The side frame 771 and the pedal 772 on the telescopic staircase 77 can be linked together, and can be folded up and put down simultaneously, and only one aisle motor is needed to provide power. When the workpiece needs to be rotated or lifted, the front and rear two aisle boards 6 are turned backwards and forwards to the limit position respectively, and the telescopic stairs 77 are retracted to the vertical position, so as to ensure that the front and rear two aisle boards 6 and the telescopic stairs 77 are not Affects the rotation and lifting of the workpiece. When the workpiece does not need to be rotated or lifted, the lifting platform 3 is lowered to the lowest position, and the front and rear aisle panels 6 are turned forward and backward to the limit position respectively, and the telescopic stairs 77 are lowered to the lowest position, and the staff can move from the two aisles to the lowest position. The main body frame 1 is passed on the board 6 and the retractable stairs 77 .

It is easy for those skilled in the art to understand that the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention, All should be included within the protection scope of the present invention.

Claims (10)

1. the load transfer device for large-scale cylindrical workpiece rotation and lifting, it is characterized in that: comprise main frame (1), described main frame (1) is provided with the first intermediate rotary shaft (23) and the second intermediate rotary shaft (24) that are parallel to each other, main frame (1) is also provided with the reducing motor (2) that can drive the first intermediate rotary shaft (23) and the second intermediate rotary shaft (24) synchronous rotary, first intermediate rotary shaft (23) and the second intermediate rotary shaft (24) are connected to the first chain-wheel mechanism (25) and the second chain-wheel mechanism (26), the two ends for the bay-lift (3) of storing name part are had to be connected to the first chain-wheel mechanism (25) and the second chain-wheel mechanism (26), bay-lift (3) comprises the bearing (31) on the chain being fixedly connected on the first chain-wheel mechanism (25) and the second chain-wheel mechanism (26), described bearing (31) is hinged with swing arm (32) by the first bearing pin (30) vertically arranged, swing arm (32) is provided with multiple Workpiece storage seat (33) for place work piece, Workpiece storage seat (33) is arranged along the longitudinal direction of swing arm (32), the top of each Workpiece storage seat (33) is provided with the deep-slotted chip breaker (331) consistent with cylindrical work external diameter, the axis of all deep-slotted chip breakers (331) is collinear.

2. a kind of load transfer device for large-scale cylindrical workpiece rotation and lifting according to claim 1, it is characterized in that: described bearing (31) is provided with multiple Storage tray bracing or strutting arrangement (4), each Workpiece storage seat (33) is arranged on a Storage tray bracing or strutting arrangement (4) respectively, described Storage tray bracing or strutting arrangement (4) comprises the first guide rail (41) be arranged on bearing (31), first guide rail (41) is provided with the first slide block (42), first slide block (42) is provided with cliding seat (40), cliding seat (40) is connected with rotary seat (44) by the second bearing pin (43), second bearing pin (43) is vertically arranged, rotary seat (44) is provided with the second guide rail (45), second guide rail (45) is perpendicular to the first guide rail (41), described second guide rail (45) is provided with the second slide block (46), described Workpiece storage seat (33) is fixedly mounted on the second slide block (46), first slide block (42) can drive Workpiece storage seat (33) to rotate around the axis of the first bearing pin (30) when sliding along the first guide rail (41).

3. a kind of load transfer device for large-scale cylindrical workpiece rotation and lifting according to claim 2, it is characterized in that: the cliding seat (40) of one of them Storage tray bracing or strutting arrangement (4) is connected with the first ball wire rod mechanism (5), described first ball wire rod mechanism (5) drives it to move by the first servomotor (51).

4. a kind of load transfer device for large-scale cylindrical workpiece rotation and lifting according to claim 1, it is characterized in that: (2) are provided with output shaft to described reducing motor, this output shaft is through reducing motor (2) and its two ends are connected to drive shaft (21), every root drive shaft (21) is all connected with gear wheel reversing case (22), and described first rotating shaft (31) and the second rotating shaft (32) are connected on the output shaft of a gear wheel reversing case (22).

5. a kind of load transfer device for large-scale cylindrical workpiece rotation and lifting according to claim 3, is characterized in that: described first ball wire rod mechanism (5) is connected to from the cliding seat (40) of the first bearing pin (30) Storage tray bracing or strutting arrangement (4) farthest.

6. a kind of load transfer device for large-scale cylindrical workpiece rotation and lifting according to claim 2, it is characterized in that: the top of described bearing (31) is hinged with crosses guidance tape (6) for what walk, described guidance tape (6) is excessively positioned at the top of the first guide rail (41), excessively guidance tape (6) is provided with the brace table (61) for supporting guidance tape (6).

7. a kind of load transfer device for large-scale cylindrical workpiece rotation and lifting according to claim 1, it is characterized in that: also comprise aisle systems (7), described aisle systems (7) comprises the fixing stair (71) be arranged on main frame (1), fixing stair (71) are connected to rebound (74) and transiting rod (75) by the 3rd bearing pin (72) and the 4th bearing pin (73), rebound (74) is positioned at the top of transiting rod (75), the other end of described rebound (74) is hinged with the scalable stair (77) for being placed on bearing (31) by the 5th bearing pin (76), described scalable stair (77) are hinged on transiting rod (75) by the 6th bearing pin (78), described 3rd bearing pin (72), 4th bearing pin (73), 5th bearing pin (76) and the 6th bearing pin (78) are arranged in square.

8. a kind of load transfer device for large-scale cylindrical workpiece rotation and lifting according to claim 7, it is characterized in that: described scalable stair (77) comprise frame side (771) and are arranged on the multiple pedals (772) in frame side (771), each pedal (772) is hinged in frame side (771) respectively by the 7th bearing pin (79), described rebound (74) is hinged with transition frame (712) by the 8th bearing pin (710), transition frame (712) is positioned between fixing stair (71) and scalable stair (77), pedal (772) is hinged in transition frame (712) by the 9th bearing pin (711), 5th bearing pin (76), arbitrary 7th bearing pin (79), 9th bearing pin (711) and the 8th bearing pin (710) are arranged in square, (1) is provided with passageway motor to described main frame, the output shaft of passageway motor is provided with the stay cord that can be wrapped on output shaft, and described stay cord is connected in the frame side (771) of scalable stair (77).

9. a kind of load transfer device for large-scale cylindrical workpiece rotation and lifting according to claim 1, it is characterized in that: the top of described main frame (1) is provided with the breach (11) being convenient to workpiece lifting, the top of main frame (1) is furnished with multiple open and close type bracing or strutting arrangement (8), stagger mutually in the position of open and close type bracing or strutting arrangement (8) and the position of Workpiece storage seat (33), described open and close type bracing or strutting arrangement (8) comprises the workpiece support (81) for depositing cylindrical work, workpiece support (81) comprises the first supporting seat (82) and the second supporting seat (83), first supporting seat (82) and the second supporting seat (83) can be separated from each other and close, first supporting seat (82) drives it to move by the second servomotor (84) and the second ball wire rod mechanism (85), described second supporting seat (83) drives it to move by the 3rd servomotor (86) and the 3rd ball wire rod mechanism (87).

10. a kind of load transfer device for large-scale cylindrical workpiece rotation and lifting according to claim 9, it is characterized in that: the top of described main frame (1) is provided with the first line slideway (88) and the second line slideway (89), and described first supporting seat (82) and the second supporting seat (83) are arranged on the first line slideway (88) and the second line slideway (89) respectively.