CN108545684B - Turning platform for three-dimensional segmental turning - Google Patents

Abstract

The invention discloses a turning platform for turning over in three-dimensional segments, which comprises a platform body with a rectangular cross section. An electromagnet group is arranged in the center of the platform body. The electromagnet group includes 9 electromagnets distributed in an array. A plurality of fixed ribs are provided through the supporting ribs, and four oblique tendons distributed along the diagonal direction are arranged on the upper surface of the platform body, and the oblique ribs are in the same position as all the fixed ribs. In terms of height, the diagonal stays divide the platform body into four areas with the same area, which are sequentially marked as the first area, the second area, the third area and the fourth area. At the same time, a plurality of positioning pin holes are equidistantly opened on each fixed rib plate, and the fixed rib plates in each area are parallel to each other, and the fixed rib plates in the first area are connected with the third rib plate. The fixed ribs in the regions are parallel, and the fixed ribs in the first region are perpendicular to the fixed ribs in the second and fourth regions.

Description

Turning platform for three-dimensional segmental turning

technical field

The invention relates to the field of heavy-duty transportation, in particular to a turning platform for three-dimensional and segmental turning.

Background technique

When processing ship sections, it is necessary to place the ship sections on an overturning platform, and then use the overturning platform to turn it up and down 180°, and perform various processing or treatments on it. Since the three-dimensional section of the ship has the characteristics of large volume and high quality, and most of the traditional turning platforms have a single structure, only a simple platform shape, so at present, two bridge cranes are used to work at the same time at home and abroad to turn a three-dimensional Segments are transported onto the turning platform. And the cost of 2 sets of heavy-duty bridge cranes and the heavy-duty factory buildings supporting it is very expensive, and the welding, cutting, and polishing of the lifting eye plate are laborious and labor-intensive, and there is also a problem of great danger. At the same time, the traditional flipping platform also has certain problems when positioning the three-dimensional segments, and there are often certain potential safety hazards. Therefore need a kind of method or device that can solve above-mentioned problem now.

Contents of the invention

The present invention aims to solve the above-mentioned deficiencies in the prior art, and proposes an overturning platform with simple structure, ingenious design, cost savings, and convenience for three-dimensional segmental transportation and fixing.

The technical solution of the present invention is: a three-dimensional segmental turn over platform, comprising a platform body 1 with a rectangular cross section, characterized in that: the center of the platform body 1 is provided with an electromagnet group 2, and the electromagnet Group 2 includes 9 electromagnets distributed in an array. On the upper surface of the platform body 1, a plurality of fixing ribs 4 are provided through the supporting ribs 3. On the upper surface of the platform body 1, four are arranged along its diagonal. direction distribution of the oblique tension ribs 5, and the oblique tension ribs 5 are at the same height as all the fixed rib plates 4, and the oblique tension ribs 5 divide the platform body 1 into four areas with the same area, which are marked in sequence For the first area 6, the second area 7, the third area 8 and the fourth area 9, there are gaps 10 between the adjacent fixed ribs 4, and at the same time, each fixed rib 4 is equally spaced A plurality of positioning pin holes 11 are opened on the ground, the fixed ribs 4 in each area are all parallel to each other, and the fixed ribs 4 in the first area 6 are parallel to the fixed ribs 4 in the third area 8, the first The fixed ribs 4 in the area 6 are perpendicular to the fixed ribs 4 in the second area 7 and the fourth area 9,

A plurality of lifting driving mechanisms 28 are also arranged at the edge of the first area 6 and the second area 7, and the lifting driving mechanisms 28 include a base 12 fixed on the platform body 1, and the base 12 is fixedly provided with The nut 13 is threadedly connected with the nut 13 to be provided with a spiral lifting shaft 14, and the top of the nut 13 is connected with a worm wheel 16 through a bearing 15, and the worm wheel 16 is connected with the spiral lifting shaft 14 by a spline, and the worm wheel 16 is equipped with a worm 17 , the worm 17 is driven by a worm motor, the top of the helical lifting shaft 14 is rotationally connected with the bottom of the roller bracket 18, and the roller bracket 18 is slidably connected in the base 12 and rotates on the roller bracket 18 A roller 19 is supported, and a sprocket 20 that can rotate coaxially with the roller 19 is also provided outside the roller bracket 18, and the sprocket 20 is connected with the roller motor by a chain,

The platform body 1 is also fixedly provided with a rotating shaft 21, and the two ends of the rotating shaft 21 are rotatably supported on the lifting beam 22 respectively. The guide post 24 on the ground is slidingly connected, and the guide sleeve 23 is driven by the lifting cylinder, and a gear transmission pair 25 is also provided at one end of the rotating shaft 21, and the driving teeth in the gear transmission pair 25 are the same as the turning worm gear 26. shaft, and the turning worm gear 26 is matched with the turning worm 27, and the turning worm 27 is driven by the turning motor.

Compared with the prior art, the present invention has the following advantages:

The three-dimensional segmental turning platform of this kind of structure has simple structure, ingenious design and reasonable layout. Aiming at the problems existing in the traditional turning platform, a turning platform with a special structure is designed. Its appearance solves the problem. It is a worldwide problem that a heavy crane must be used to turn over a three-dimensional segment, which has changed the basic form of the traditional welding platform. This platform can be used with various clamps or pressure plates to firmly fasten the three-dimensional segment to the turning platform. In order to eliminate safety hazards to the greatest extent, compared with the traditional structure that uses heavy cranes to operate, the cost is greatly reduced, which can save tens of millions of yuan in investment, and at the same time, it can greatly automate the three-dimensional segment production. Improvement, simplifies the three-dimensional segmental turning process of the shipyard, saves the welding of many heavy hoisting eye plates, improves the safety and reliability of the operation, and is also of great significance to energy saving and emission reduction. To sum up, it can be said that this flip platform has many advantages, and is especially suitable for popularization and application in this field, and its market prospect is very broad.

Description of drawings

Fig. 1 is a top view of an embodiment of the present invention.

Fig. 2 is an enlarged view of part A in Fig. 1 .

Fig. 3 is a cross-sectional view taken along line B-B in Fig. 2 .

Fig. 4 is a schematic structural view of the lifting drive mechanism in the embodiment of the present invention.

Detailed ways

The specific implementation manner of the present invention will be described below with reference to the accompanying drawings. As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4: a kind of three-dimensional subsection turns over and turns over platform, comprises the platform body 1 that cross section is rectangle, is provided with electromagnet group 2 at the center of this platform body 1, so The electromagnet group 2 includes 9 electromagnets distributed in an array, and a plurality of fixing ribs 4 are arranged on the upper surface of the platform body 1 through the supporting ribs 3, and four fixing ribs 4 are arranged on the upper surface of the platform body 1 along the upper surface of the platform body 1. Diagonally distributed oblique tension ribs 5, and the oblique tension ribs 5 are at the same height as all the fixed rib plates 4, and the oblique tension ribs 5 divide the platform body 1 into four areas with the same area , marked as the first area 6, the second area 7, the third area 8 and the fourth area 9 in turn, there is a gap 10 between the adjacent fixed ribs 4, and on each fixed rib 4 A plurality of positioning pin holes 11 are also equidistantly opened, and the fixed ribs 4 in each area are all parallel to each other, and the fixed ribs 4 in the first area 6 are parallel to the fixed ribs 4 in the third area 8 , the fixed ribs 4 in the first area 6 are perpendicular to the fixed ribs 4 in the second area 7 and the fourth area 9,

A plurality of lifting driving mechanisms 28 are also arranged at the edge of the first area 6 and the second area 7, and the lifting driving mechanisms 28 include a base 12 fixed on the platform body 1, and the base 12 is fixedly provided with The nut 13 is threadedly connected with the nut 13 to be provided with a spiral lifting shaft 14, and the top of the nut 13 is connected with a worm wheel 16 through a bearing 15, and the worm wheel 16 is connected with the spiral lifting shaft 14 by a spline, and the worm wheel 16 is equipped with a worm 17 , the worm 17 is driven by a worm motor, the top of the helical lifting shaft 14 is rotationally connected with the bottom of the roller bracket 18, and the roller bracket 18 is slidably connected in the base 12 and rotates on the roller bracket 18 A roller 19 is supported, and a sprocket 20 that can rotate coaxially with the roller 19 is also provided outside the roller bracket 18, and the sprocket 20 is connected with the roller motor by a chain,

The platform body 1 is also fixedly provided with a rotating shaft 21, and the two ends of the rotating shaft 21 are rotatably supported on the lifting beam 22 respectively. The guide post 24 on the ground is slidingly connected, and the guide sleeve 23 is driven by the lifting cylinder, and a gear transmission pair 25 is also provided at one end of the rotating shaft 21, and the driving teeth in the gear transmission pair 25 are the same as the turning worm gear 26. shaft, and the turning worm gear 26 is matched with the turning worm 27, and the turning worm 27 is driven by the turning motor.

The working process of the turning platform for turning over in three-dimensional segments according to the embodiment of the present invention is as follows: firstly, heavy-duty vehicles or other transportation devices are used to form a heavy-duty array, and then a plurality of lifting beams are placed on the heavy-duty array (these lifting beams are parallel to each other), And place the three-dimensional segments that need to be flipped on all the lifting beams (if necessary, a wedge can be set between the lifting beams and the three-dimensional segments to ensure the stability of the three-dimensional segments). After the preparations are completed, start the heavy load The vehicle or transport device transports all the lifting beams to the surface of the platform body 1 at the same time. During this process, the multiple lifting drive mechanisms 28 set on the platform body 1 will take over the lifting beams to ensure that the three-dimensional segments can move In place; after the three-dimensional segment moves in place, the three-dimensional segment can be fixed on the platform body 1 by using various clamps, splints and other auxiliary devices;

When the three-dimensional segment needs to be turned over, the lifting cylinder drives the lifting beam 22 to move along the axial direction of the guide column 24, so that the platform body 1 drives the three-dimensional segment to move to a high place, and then the turning motor drives the turning worm 27 to move, through the gear transmission pair 25 transmits the torque to the rotating shaft 21, and the rotating shaft 21 will drive the platform body 1 to turn over 180°.

Claims (1)

1. The utility model provides a three-dimensional segmentation stands up with upset platform, includes that the cross section is platform body (1) of rectangle, its characterized in that: the center of the platform body (1) is provided with an electromagnet group (2), the electromagnet group (2) comprises 9 electromagnets which are distributed in an array manner, a plurality of fixing rib plates (4) are arranged on the upper surface of the platform body (1) through supporting rib plates (3), four diagonal bracing ribs (5) which are distributed along the diagonal direction of the platform body (1) are also arranged on the upper surface of the platform body (1), the diagonal bracing ribs (5) and all the fixing rib plates (4) are positioned on the same height, the diagonal bracing ribs (5) divide the platform body (1) into four areas with the same area, the four areas are sequentially marked as a first area (6), a second area (7), a third area (8) and a fourth area (9), gaps (10) are reserved between the adjacent fixing rib plates (4), a plurality of positioning pin holes (11) are also formed on each fixing rib plate (4) at equal intervals, the fixing rib plates (4) in each area are all parallel to each other, the fixing rib plates (4) in the first area (6) are parallel to the fixing rib plates (4) in the first area (4) and the second area (4) are parallel to the first area (4) and the fourth area (4) which are perpendicular to the fixing rib plates (4) in the first area (4),

a plurality of lifting driving mechanisms (28) are further arranged at the edges of the first area (6) and the second area (7), each lifting driving mechanism (28) comprises a base (12) fixed on the platform body (1), a nut (13) is fixedly arranged in each base (12), a spiral lifting shaft (14) is connected with each nut (13) in a threaded mode, a worm wheel (16) is connected above each nut (13) through a bearing (15), each worm wheel (16) is connected with each spiral lifting shaft (14) through a spline, a worm (17) is matched with each worm wheel (16), each worm (17) is driven through a worm motor, the top end of each spiral lifting shaft (14) is rotatably connected with the bottom of each roller bracket (18), each roller bracket (18) is slidably connected in each base (12), each roller bracket (18) is rotatably supported with a roller (19), a chain wheel (20) capable of coaxially rotating with each roller (19) is further arranged outside each roller bracket (18), each chain wheel (20) is connected with each roller motor through a chain,

the platform body (1) is further fixedly provided with a rotating shaft (21), two ends of the rotating shaft (21) are respectively rotatably supported on a lifting cross beam (22), the number of the lifting cross beams (22) is two, two ends of the lifting cross beam (22) are respectively in sliding connection with a guide post (24) fixed on the ground through guide sleeves (23), the guide sleeves (23) are driven through lifting cylinders, one end of the rotating shaft (21) is further provided with a gear transmission pair (25), driving teeth in the gear transmission pair (25) are coaxial with a turnover worm wheel (26), the turnover worm wheel (26) is matched with a turnover worm (27), and the turnover worm (27) is driven through a turnover motor.