CN116038230A - A turning device for nuclear power roulette - Google Patents

Abstract

The invention discloses a nuclear power wheel disc turning device in the field of auxiliary tools for manufacturing pressure vessels, which comprises a base, wherein two left and right corresponding fixing seats are arranged on the base, a rotatable turning table is arranged between two bearing seats, a first rotating shaft and a second rotating shaft are respectively arranged on the left side and the right side of the turning table, the first rotating shaft penetrates through the corresponding bearing seats and is in transmission connection with a rotary driving mechanism, a trolley guide rail is arranged on the base, a workpiece supporting seat corresponding to the turning table is arranged on a movable trolley, a plurality of movable supports and clamping seats capable of radially moving are arranged on the turning table, the upper surface of each movable support is a workpiece supporting surface, the clamping seats are correspondingly arranged on the periphery of a workpiece, axial clamping jaws capable of moving up and down are arranged on the clamping seats, and the axial clamping jaws correspondingly press the upper end face of the periphery of the workpiece. The invention can turn over the workpiece 180 degrees, is safe and reliable, and does not damage the workpiece.

Description

A turning device for nuclear power roulette

technical field

The invention belongs to the field of auxiliary tooling for manufacturing pressure vessels, and in particular relates to a turn-over device for nuclear power roulettes.

Background technique

A pressure vessel is a closed device that holds gas or liquid and carries a certain pressure. The nuclear power system needs to use a pressure vessel to contain high-temperature and high-pressure steam, and the nuclear power wheel is used to manufacture a part of the pressure vessel. The nuclear power wheel is cylindrical and the outer circumference of the nuclear power wheel is provided with multiple concave ring grooves at intervals. The maximum outer diameter of the nuclear power roulette is 3.19 meters, and the minimum outer diameter is 2.20 meters. In the process of manufacturing the pressure vessel by means of welding, the nuclear power roulette needs to be turned over, but the current problem is that there is a lack of labor-saving and time-saving tools. It is a device for flipping and turning over the nuclear power roulette.

Contents of the invention

The purpose of the present invention is to provide a turning device for nuclear power roulette, which can conveniently turn over and turn over the nuclear power roulette, realize turning over the workpiece by 180 degrees, is safe and reliable, will not damage the workpiece, and has high turning operation efficiency.

The object of the present invention is achieved in the following way: a turning device for nuclear power roulette, including a base, two left and right corresponding fixing seats are arranged on the said base, bearing seats are arranged on the fixing seats, and a bearing seat is arranged between the two bearing seats. A rotatable overturning platform, the left and right sides of the overturning platform are respectively provided with a rotating shaft 1 and a rotating shaft 2, the rotating shaft 1 and the rotating shaft 2 are rotatably connected to two bearing seats through bearings respectively, and the rotating shaft 1 passes through the corresponding bearing seat and It is connected with the rotary drive mechanism in transmission, the base is provided with a trolley guide rail, the trolley guide rail is provided with a moving trolley, the mobile trolley is provided with a workpiece support seat corresponding to the turning platform, and the turning platform is provided with a number of adjustable The moving supports and clamping seats that move in the direction of movement, each moving support and clamping seat are all distributed uniformly along the circumferential direction relative to the center of the turning table, and each moving support and each clamping seat are all staggered along the circumferential direction. The upper surface of the seat is a workpiece supporting surface, and the clamping seat is arranged correspondingly to the outer periphery of the workpiece. The axial clamping jaws that can move up and down are arranged on the clamping seat, and the axial clamping jaws correspond to press the upper end surface of the outer periphery of the workpiece.

Compared with the prior art, the beneficial effect of the present invention is that: the workpiece is hoisted to the movable support of the turning table by the spreader first, and the radial movement of the clamping seat can make the workpiece move horizontally on the copper backing plate of the movable support , the workpiece is positioned and radially clamped, and the four clamping seats are respectively driven by the four bottom cylinders to move; the axial jaws can move vertically on the clamping seat to perform axial clamping on the work and continuously provide The clamping force is driven by the clamping oil cylinder to move the axial jaws on the clamping seat; according to the size change of the workpiece, the rack and pinion drive is driven by the gear motor to adjust the position of the mobile support to support the workpiece and move the support It is positioned by the grating ruler and operated by the remote control; the oil pipe is connected to the hydraulic pump station through the rotary joint installed on the second shaft; the moving trolley is driven by a deceleration motor, so that the wheels walk on the trolley guide rail of the base; the workpiece support seat and the lifting platform The connection is fixed by bolts; the overturning action is driven by the hydraulic swing cylinder. When the overturning action is stationary, the position is locked by the hydraulic system. Explosion-proof valves are installed at the inlet and outlet of the hydraulic swing cylinder and each drive cylinder to ensure the stability and safety of the equipment during the overturning process. sex.

As a further improvement of the present invention, the left and right sides of the turning platform are arc-shaped, and the front and rear sides of the turning platform are straight; On the outer sides of the two mounts, the shafts 1 and 2 are collinear.

As a further improvement of the present invention, the rotary drive mechanism is a hydraulic swing cylinder, the hydraulic swing cylinder is installed on the cylinder seat outside the corresponding fixed seat, and the output end of the hydraulic swing cylinder is transmitted to the extension end of the first rotating shaft through a coupling connect.

In order to facilitate the lifting of the position of the workpiece support seat, lift the workpiece from the workpiece support seat to the turning platform, or receive the turned workpiece from the turning platform, two trolley guide rails are arranged in parallel, and the trolley guide rail is perpendicular to the rotating shaft , the trolley guide rail is extended to the front side, and the bottom of the mobile trolley is rotatably provided with four wheels supported on the corresponding trolley guide rail. The four wheels are symmetrically distributed in pairs, and there is a wheel axle between the two front wheels. There is a transmission gear on the top, and the transmission gear is meshed with the transmission gear at the output end of the deceleration motor on the moving trolley. There is a lifting platform on the top of the moving trolley, and the workpiece support seat is set on the lifting platform. The mobile trolley is movably connected, and the middle part of the mobile trolley is provided with a lifting oil cylinder, and the piston rod of the lifting oil cylinder is connected with the lifting platform through transmission. The mobile trolley is driven by a deceleration motor, so that the wheels walk on the trolley guide rail of the base, and the guide rod guides the lifting movement of the workpiece support seat.

As a further improvement of the present invention, there are four moving supports and clamping seats, the circumferential angle between the moving supports and the adjacent clamping seats is 45°, and the distance between the moving supports and the center of the turning platform is less than The distance between the clamping seat and the center of the turning table.

In order to drive the movable support to move radially to adjust the position and adapt to workpieces of different sizes and specifications, two Teflon guide rail pads are arranged corresponding to each movable support on the turning table, and the movable support is supported on two sides. On the backing plate of the strip guide rail, the mobile support is movably connected with the overturning table. After the overturning table is turned over, the mobile support remains connected with it and will not fall off. The horizontal section of the mobile support is arc-shaped, and the surface of the mobile support is equipped with copper pad Each mobile support on the turning table is equipped with a radial rack, the bottom of the mobile support is provided with a through groove that can accommodate the rack, the mobile support is provided with a gear motor, and the output end of the gear motor is provided A rolling gear meshed with a rack. The reduction motor drives the rack and pinion transmission to adjust the position of the mobile support.

In order to drive the four clamping seats to move radially through the bottom oil cylinder, the clamping seat includes an upper base, a middle sleeve and a lower base. The upper base is vertically provided with two guide columns that can be lifted up and down. The upper base body is flexibly connected, and the two guide columns are symmetrically distributed on both sides of the middle sleeve body. The upper ends of the two guide columns are fixed with a connecting block. , a clamping oil cylinder is arranged vertically in the middle sleeve body, the piston rod of the clamping oil cylinder protrudes upwards and is hinged with the connecting block, and a main moving groove is radially opened corresponding to each clamping seat on the turning table and two guide grooves, the two guide grooves are respectively located on the left and right sides of the main moving groove, the upper base body is located above the turning platform, and each upper base body on the turning platform is provided with two left and right symmetrical Teflon material Long backing plate 1 and two long backing plates 1 are respectively located on the outside of the corresponding guide groove, and the left and right sides of the bottom of the upper base body are provided with lower backing plates made of Teflon material, and the two lower backing plates are respectively matched and supported on the corresponding long backing plates. On plate one, the middle sleeve body is arranged vertically through the main moving groove, the lower base body is located under the turning platform, two guide columns are vertically arranged through the corresponding guide grooves respectively, and the lower base body is fixedly connected with a lower cover plate , the lower side of the turning table is provided with two left and right symmetrical Teflon material long backing plates corresponding to each lower cover plate, and the left and right sides of the upper surface of the lower cover plate are all provided with Teflon material upper pads The lower cover plate presses the upper backing plate and is in contact with the corresponding long backing plate, and the cylinder body of the clamping cylinder is fixed with the lower cover plate; the front side of the upper base body is provided with a contact pad made of Teflon corresponding to the outer periphery of the workpiece plate, the height of the upper base body is set correspondingly to the height of the workpiece, and the lower end of the axial clamping jaw is provided with a Teflon material contact backing plate which is in contact with the end surface of the workpiece. The upper body and lower body of the clamping seat are in contact with the turning table through a Teflon backing plate to reduce wear; the front side of the clamping seat is in contact with the outer circumference of the workpiece through a Teflon contact backing plate, and the axial The lower end of the jaws is in contact with the upper end of the workpiece through a contact pad made of Teflon to prevent metal coatings and paint materials from contacting the workpiece and affecting the nuclear power system.

In order to drive the four clamping seats to move radially at the same time, a center seat is provided in the middle of the underside of the turning table, and four bottom oil cylinders uniformly distributed along the circumferential direction are hinged on the center seat, and the four bottom oil cylinders are connected with the four clamping seats respectively. The lower bases are set in one-to-one correspondence, the lower bases are L-shaped, the lower cover plate is fixed on the lower base horizontal part, and the piston rod extension end of the bottom oil cylinder is hinged with the corresponding lower base vertical part. The bottom oil cylinders are arranged radially, and supply oil to the four bottom oil cylinders at the same time to ensure that the four clamping seats move at the same time.

In order to realize normal oil supply, the oil circuit will not be affected by the overturning of the turning platform, the two ends of the rotating shaft are provided with rotary joints, and the rotary joints are connected to the hydraulic pump station through oil pipes.

In order to facilitate the lifting of the workpiece, the workpiece is in the shape of a cylinder, and a plurality of concave annular grooves are arranged at intervals on the outer periphery of the workpiece, and a ring-shaped lifting device is provided corresponding to the workpiece, and a plurality of movable diameters are evenly spaced along the circumferential direction on the lifting device. Towards the moving positioning insert, the workpiece support seat is in the form of a ring and matches the workpiece. The positioning plug is inserted into the groove of the workpiece for positioning to realize the lifting of the workpiece; the lower end of the workpiece is matched and inserted into the groove of the workpiece support seat.

Description of drawings

Fig. 1 is the three-dimensional structural view of the lifting tool lifting the workpiece to the present invention.

Fig. 2 is a three-dimensional structural diagram of a workpiece placed on the present invention.

Fig. 3 is a three-dimensional structure diagram of the present invention.

Fig. 4 is a three-dimensional structure diagram of the mobile trolley.

Figure 5 is a top view of the invention.

Fig. 6 is a three-dimensional structure diagram of the turning platform.

Fig. 7 is a three-dimensional structure diagram of the turning platform.

Fig. 8 is a structural schematic diagram of the main moving groove and the guide groove of the turning table.

FIG. 9 is an enlarged view at point A in FIG. 7 .

Fig. 10 is a schematic diagram of the bottom structure of the turning platform.

Fig. 11 is a schematic structural view of the clamping seat, the first long backing plate and the second long backing plate.

Fig. 12 is a schematic structural view of the clamping seat, the first long backing plate and the second long backing plate.

Fig. 13 is a schematic structural view of the clamping seat.

Figure 14 is a sectional view of the workpiece and the hanger.

Among them, 1 base, 2 fixed seat, 2a cylinder seat, 3 bearing seat, 4 turning platform, 5 rotating shaft one, 6 rotating shaft two, 7 trolley guide rail, 8 moving trolley, 9 moving support, 10 clamping seat, 1001 upper seat body , 1002 middle sleeve body, 1003 lower seat body, 1003a horizontal part, 1003b vertical part, 1004 connecting block, 10a axial jaw, 11 mounting seat, 12 hydraulic swing cylinder, 13 coupling, 14 wheel, 15 axle, 16 transmission gear, 17 deceleration motor, 18 lifting table, 19 guide rod, 20 guide rail backing plate, 21 copper backing plate, 22 rack, 23 through groove, 24 deceleration motor, 25 rolling gear, 26 guide column, 27 clamping cylinder , 28 main moving groove, 29 guide groove, 30 long backing plate one, 31 lower backing plate, 32 lower cover plate, 33 long backing plate two, 34 upper backing plate, 35 contact backing plate, 36 center seat, 37 bottom oil cylinder, 38 hydraulic pump station, 39 workpiece, 40 spreader, 40a positioning block.

Detailed ways

As shown in Figure 1-14, it is a turning device for nuclear power roulette, including a base 1, two left and right corresponding fixing seats 2 are arranged on the base 1, a bearing seat 3 is arranged on the fixing seat 2, and two bearing seats 3 A rotatable overturning platform 4 is arranged between them, and the left and right sides of the overturning platform 4 are respectively provided with a rotating shaft 1 5 and a rotating shaft 2 6, and the rotating shaft 5 and the rotating shaft 2 6 are rotatably connected to two bearing blocks 3 via bearings respectively. , the left and right sides of the turning platform 4 are arc-shaped, and the front and rear sides of the turning platform 4 are set straight; On the outside of the mounting seat 11, the first rotating shaft 5 and the second rotating shaft 6 are collinear; the first rotating shaft 5 passes through the corresponding bearing seat 3 and is connected to the rotating drive mechanism. The rotating driving mechanism is a hydraulic swing cylinder 12, and the hydraulic swing cylinder 12 is installed On the cylinder seat 2a corresponding to the outer side of the fixed seat 2, the output end of the hydraulic swing cylinder 12 is connected to the extension end of the rotating shaft 5 through a coupling 13; Mobile dolly 8 is arranged, and mobile dolly 8 is provided with workpiece 39 supporting seats corresponding to turnover table 4, in order to facilitate the position of lifting workpiece 39 supporting seats, workpiece 39 is hoisted on the turning platform 4 from workpiece 39 supporting seats, or Receiving the workpiece 39 after turning over from the turning table 4, two dolly guide rails 7 are arranged in parallel; Four wheels 14 supported on the corresponding trolley guide rail 7, four wheels 14 are symmetrically distributed in pairs, a wheel shaft 15 is arranged between the two wheels 14 on the front side, a transmission gear 16 is arranged on the wheel shaft 15, and the transmission gear 16 is connected with the mobile The transmission gear 16 at the output end of the deceleration motor 17 on the trolley 8 is set in mesh with each other. The top of the mobile trolley 8 is provided with a lifting platform 18, and the supporting seat of the workpiece 39 is arranged on the lifting platform 18. The lifting platform 18 is connected to the mobile by four rectangularly distributed guide rods 19 The dolly 8 is movably connected, and the middle part of the mobile dolly 8 is provided with a lifting oil cylinder, and the piston rod of the lifting oil cylinder is connected with the 18-phase transmission of the lifting platform. The mobile trolley 8 is driven by a reduction motor 17, so that the wheels 14 walk on the trolley guide rail 7 of the base 1, and the guide rod 19 guides the lifting movement of the support seat of the workpiece 39; Seat 9 and clamping seat 10, each moving support 9 and clamping seat 10 are all circumferentially evenly distributed with respect to the center of turning table 4, and each moving support 9 and each clamping seat 10 are all staggered and set along the circumferential direction, and the moving support The upper surface of the seat 9 is the supporting surface of the workpiece 39, and the clamping seat 10 is set corresponding to the outer circumference of the workpiece 39. The clamping seat 10 is provided with an axial clamping jaw 10a which can move up and down, and the axial clamping jaw 10a is correspondingly pressed against the outer circumference of the workpiece 39. of the upper end.

There are four moving supports 9 and four clamping seats 10, the circumferential angle between the moving supports 9 and the adjacent clamping seats 10 is 45°, and the distance between the moving supports 9 and the center of the turning table 4 is less than that of the clamping seats 10 The distance from the center of the turning table 4.

In order to drive the movable support 9 to move radially to adjust the position and adapt to workpieces 39 of different sizes and specifications, two guide rail backing plates 20 made of Teflon material are arranged on the turning table 4 corresponding to each movable support 9, and the movable support 9 The movable support is supported on the two guide rail backing plates 20, and the mobile support 9 is movably connected with the overturning table 4. After the overturning table 4 is overturned, the mobile support 9 remains connected with it and will not fall off. The cross section of the mobile support 9 in the horizontal direction is arc The surface of the mobile support 9 is provided with a copper backing plate 21, and each mobile support 9 on the flip table 4 is provided with a radial rack 22, and the bottom of the mobile support 9 is provided with a through hole that can accommodate the rack 22. The slot 23 is provided with a reduction motor 24 on the mobile support 9 , and the output end of the reduction motor 24 is provided with a rolling gear 25 meshed with the rack 22 . Geared motor 24 drives rack and pinion 22 transmissions, adjusts the position of mobile support 9.

In order to drive the four clamping seats 10 to move radially through the bottom oil cylinder 37, the clamping seat 10 includes an upper seat body 1001, a middle sleeve body 1002 and a lower seat body 1003, and the upper seat body 1001 is vertically provided with two guides that can be lifted up and down. Column 26, guide column 26 is flexibly connected with upper base body 1001, two guide columns 26 are symmetrically distributed on both sides of middle sleeve body 1002, two guide columns 26 upper ends are fixed with connection block 1004, and connection block 1004 is positioned at upper base body 1001 Above, the front side of the connecting block 1004 corresponds to the workpiece 39 and is provided with an axial clamping claw 10a. The middle sleeve body 1002 is vertically fitted with a clamping oil cylinder 27, and the piston rod of the clamping oil cylinder 27 protrudes upwards and is hinged with the connecting block 1004. Each clamping seat 10 on the turning table 4 is radially provided with a main moving groove 28 and two guiding grooves 29, the two guiding grooves 29 are respectively located on the left and right sides of the main moving groove 28, and the upper seat body 1001 is located on the turning table 4 above, each upper base body 1001 on the turning platform 4 is provided with two left-right symmetrical long backing plates-30 of Teflon material, and the two long backing plates-30 are respectively located on the outside of the corresponding guide groove 29, and the upper base body The left and right sides of the bottom of 1001 are all provided with lower backing plates 31 made of Teflon material, and the two lower backing plates 31 are matched and supported on the corresponding long backing plates 30 respectively, and the middle sleeve body 1002 is vertically set through the main moving groove 28 , the lower seat body 1003 is located below the turning table 4, and two guide columns 26 are vertically set through the corresponding guide grooves 29 respectively. The lower seat body 1003 is fixedly connected with the lower cover plate 32, and the lower side of the turning table 4 corresponds to each lower cover. Plate 32 is all provided with two left and right symmetrical long backing plates 33 of Teflon material, and the left and right sides of lower cover plate 32 upper surfaces are all provided with upper backing plate 34 of Teflon material, and lower cover plate 32 presses down. The upper backing plate 34 is in contact with the corresponding long backing plate 2 33, and the cylinder body of the clamping oil cylinder 27 is fixed with the lower cover plate 32; the front side of the upper base body 1001 is provided with a contact backing plate made of Teflon corresponding to the outer periphery of the workpiece 39 35. The height of the upper base body 1001 is higher than the height of the movable support 9, and the height of the upper base body 1001 is set corresponding to the height of the workpiece 39. The lower end of the axial jaw 10a is provided with a Teflon material in contact with the end surface of the workpiece 39. contact pad 35 . The upper seat body 1001 of the clamping seat 10, the lower seat body 1003 and the turning table 4 are in contact with the Teflon backing plate to reduce wear; The outer periphery of the workpiece 39 is in contact, and the lower end of the axial jaw 10a is in contact with the upper end of the workpiece 39 through a contact pad 35 made of Teflon to prevent metal coatings and paint materials from contacting the workpiece 39 and affecting the nuclear power system.

In order to drive four clamping seats 10 to move radially at the same time, the middle part of the underside of the turning table 4 is provided with a center seat 36, and the center seat 36 is hinged with four bottom oil cylinders 37 uniformly distributed along the circumferential direction, and the four bottom oil cylinders 37 are connected to the four bottom oil cylinders respectively. The lower seat bodies 1003 of each clamping seat 10 are arranged in one-to-one correspondence, the lower seat body 1003 is L-shaped, the lower cover plate 32 is fixed on the horizontal part 1003a of the lower seat body 1003, and the piston rod extension end of the bottom oil cylinder 37 is connected to the corresponding lower seat The vertical portion 1003b of the body 1003 is hinged. The bottom oil cylinders 37 are arranged radially, and supply oil to the four bottom oil cylinders 37 at the same time, so as to ensure that the four clamping seats 10 move at the same time.

In order to realize normal oil supply, the oil circuit is not affected by the turning over of the turning table 4, and the end of the rotating shaft 6 is provided with a rotary joint, which is connected with the hydraulic pump station 38 through the oil pipe.

In order to facilitate the lifting of the workpiece 39, the workpiece 39 is cylindrical, and the outer periphery of the workpiece 39 is provided with a plurality of concave annular grooves at intervals, and corresponding to the workpiece 39, an annular hanger 40 is provided, and the hanger 40 is evenly spaced along the circumferential direction. A plurality of radially movable positioning inserts 40a, the support seat of the workpiece 39 is annular and matched with the workpiece 39 . The positioning plug 40a is inserted into the groove of the workpiece 39 for positioning, so as to lift the workpiece 39;

During the work of the present invention, first operate the remote controller according to the different sizes of the workpiece 39, move the mobile support 9 to a suitable position, and lift the workpiece 39 on the mobile trolley 8 to the mobile support 9; then the bottom oil cylinder 37 and The clamping cylinder 27 is ejected, so that the clamping seat 10 of the radial clamping mechanism positions and radially clamps the workpiece 39, and at the same time, the bottom cylinder 37 continuously provides clamping force, and the radial movement of the clamping seat 10 passes through the bottom cylinder 37 drive, using two guide columns 26 and two radial guide slots 29 to cooperate to carry out motion guidance; then the clamping oil cylinder 27 retreats, so that the axial jaws 10a of the axial clamping mechanism axially clamp the workpiece 39, and The clamping force is continuously provided, driven by the clamping cylinder 27, and the guide column 26 is used for motion guidance. The upper base body 1001 has two guide holes corresponding to the two guide columns 26; the turning action is driven by the hydraulic swing cylinder 12. When the turning action is stationary , the position is locked through the hydraulic system, and explosion-proof valves are installed at the inlet and outlet of the hydraulic swing cylinder 12 and each drive cylinder to ensure the stability and safety of the equipment during the overturning process; the mobile trolley 8 then walks to the designated position; the mobile trolley 8 The lifting table 18 on the top is ejected, and the clamping cylinder 27 is ejected, so that the workpiece 39 falls on the mobile trolley 8, and then the bottom cylinder 37 is retracted, so that the turning mechanism is completely separated from the workpiece 39, and finally the clamping seat 10 is retracted, and the lifting table 18 Return, mobile dolly 8 moves out workpiece 39, completes workpiece 39 turning over.

The advantage of the present invention is that: the workpiece 39 is hoisted to the movable support 9 of the turning table 4 by the sling 40 first, and the radial movement of the clamping seat 10 can make the workpiece 39 move horizontally on the copper backing plate 21 of the movable support 9 , the workpiece 39 is positioned and radially clamped, and the four bottom cylinders 37 drive the four clamping seats 10 to move respectively; the axial clamping jaws 10a can move vertically on the clamping seat 10 to perform axial clamping on the work Tighten, and continue to provide clamping force, the clamping cylinder 27 drives the axial jaw 10a on the corresponding clamping seat 10 to move; according to the size change of the workpiece 39, the gear rack 22 is driven by the reduction motor 24 to adjust the mobile support The position of 9 is used to support the workpiece 39. The mobile support 9 is positioned by the grating ruler and operated by the remote control; the oil pipe is connected to the hydraulic pump station 38 through the rotary joint installed on the second rotating shaft 6; the mobile trolley 8 uses the reduction motor 17 Drive, so that the wheels 14 walk on the trolley guide rail 7 of the base 1; the support seat of the workpiece 39 is fixedly connected with the lifting platform 18 by bolts; the turning action is driven by the hydraulic swing cylinder 12, and when the turning action is stationary, the position is locked by the hydraulic system, and the hydraulic swing Explosion-proof valves are installed at the inlet and outlet of the cylinder 12 and each driving cylinder to ensure the stability and safety of the equipment during the turning process. The present invention can conveniently turn over and turn over the nuclear power roulette, realize turning over the workpiece 39 by 180 degrees, is safe and reliable, does not damage the workpiece 39, and has high turning operation efficiency.

The present invention is not limited to the above-mentioned embodiments. On the basis of the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and modifications to some of the technical features according to the disclosed technical content without creative work. Deformation, these replacements and deformations are all within the protection scope of the present invention.

Claims (10)

1. The utility model provides a nuclear power rim plate turnover device, its characterized in that, includes the base, be provided with two on the base and control corresponding fixing base, be provided with the bearing frame on the fixing base, be provided with rotatable roll-over table between two bearing frames, the left and right sides of roll-over table is provided with pivot one and pivot two respectively, and pivot one and pivot two are connected on two bearing frames through the bearing is rotatable, pivot one passes corresponding bearing frame and is connected with rotation driving mechanism looks transmission, be provided with the dolly guide rail on the base, be provided with the travelling car on the dolly guide rail, be provided with the work piece supporting seat corresponding with the roll-over table on the travelling car, but be provided with a plurality of radial movable support and clamping seat on the roll-over table, but each movable support and clamping seat are all along circumference equipartition relative to the center of roll-over table, each movable support and each clamping seat are all along circumference staggering setting, the movable support upper surface is the work piece holding surface, clamping seat corresponds with the work piece periphery and sets up, be provided with the axial clamping jaw that can reciprocate on the clamping seat, axially corresponds the up end face that compresses tightly the work piece periphery.

2. The turnover device of a nuclear power wheel disc according to claim 1, wherein the left side and the right side of the turnover table are arc-shaped, and the front side and the rear side of the turnover table are arranged in a straight manner; the left and right sides of roll-over table upper portion all is provided with the mount pad, and pivot one and pivot are connected in the outside of two mount pads respectively, and pivot one and pivot two collineation.

3. The turnover device of a nuclear power wheel disc according to claim 1 or 2, wherein the rotary driving mechanism is a hydraulic swing cylinder, the hydraulic swing cylinder is arranged on a cylinder seat at the outer side of the corresponding fixed seat, and the output end of the hydraulic swing cylinder is in transmission connection with the extending end of the first rotating shaft through a coupler.

4. The nuclear power wheel disc turning device according to claim 1 or 2, wherein two trolley guide rails are arranged in parallel, the trolley guide rails are perpendicular to the first rotating shaft, the trolley guide rails extend to the front side, four wheels supported on the corresponding trolley guide rails are rotatably arranged at the bottom of the movable trolley, the four wheels are symmetrically distributed in pairs, a wheel shaft is arranged between the two wheels at the front side, a transmission gear is arranged on the wheel shaft and meshed with the transmission gear at the output end of a gear motor on the movable trolley, a lifting table is arranged at the top of the movable trolley, a workpiece supporting seat is arranged on the lifting table, the lifting table is movably connected with the movable trolley through four rectangular distributed guide rods, a lifting oil cylinder is arranged in the middle of the movable trolley, and a piston rod of the lifting oil cylinder is in transmission connection with the lifting table.

5. The turnover device of the nuclear power wheel disc according to claim 1 or 2, wherein four movable supports and four clamping seats are arranged, the circumferential included angle between each movable support and each adjacent clamping seat is 45 degrees, and the distance between each movable support and the center of the turnover table is smaller than the distance between each clamping seat and the center of the turnover table.

6. The turnover device of the nuclear power wheel disc according to claim 1 or 2, wherein two guide rail base plates made of teflon are arranged on the turnover table corresponding to each movable support, the movable supports are movably supported on the two guide rail base plates, the sections of the movable supports in the horizontal direction are arc-shaped, copper base plates are arranged on the surfaces of the movable supports, radial racks are arranged on the turnover table corresponding to each movable support, penetrating grooves capable of allowing the racks to penetrate are formed in the bottoms of the movable supports, a speed reducing motor is arranged on each movable support, and rolling gears in meshed connection with the racks are arranged at the output ends of the speed reducing motor.

7. The turning device for the nuclear power wheel disc according to claim 1 or 2, wherein the clamping seat comprises an upper seat body, a middle sleeve body and a lower seat body, two guide posts which can be lifted up and down are vertically arranged on the upper seat body, the guide posts are movably connected with the upper seat body, the two guide posts are symmetrically distributed on two sides of the middle sleeve body left and right, connecting blocks are fixed at the upper ends of the two guide posts, the connecting blocks are positioned above the upper seat body, axial clamping jaws are arranged on the front side of the connecting blocks corresponding to workpieces, clamping cylinders are vertically arranged in the middle sleeve body in a matched manner, piston rods of the clamping cylinders extend upwards and are hinged with the connecting blocks, a main moving groove and two guide grooves are radially arranged on the turning table corresponding to each clamping seat, the two guide grooves are respectively positioned on the left side and the right side of the main moving groove, the upper seat body is positioned above the turning table, two long backing plates of the Teflon material which are bilaterally symmetrical are arranged on the overturning platform corresponding to each upper seat body, the two long backing plates are respectively positioned at the outer sides of the corresponding guide grooves, the left side and the right side of the bottom of the upper seat body are respectively provided with a lower backing plate of the Teflon material, the two lower backing plates are respectively matched and supported on the corresponding long backing plates, the middle sleeve body vertically penetrates through the main moving groove, the lower seat body is positioned below the overturning platform, the two guide posts vertically penetrate through the corresponding guide grooves respectively and are arranged, the lower seat body is fixedly connected with a lower cover plate, two long backing plates of the Teflon material which are bilaterally symmetrical are arranged on the lower side of the overturning platform corresponding to each lower cover plate, the left side and the right side of the upper surface of the lower cover plate are respectively provided with an upper backing plate of the Teflon material, the lower cover plate presses the upper backing plate and contacts with the corresponding long backing plates, and the cylinder body of the clamping cylinder is fixed with the lower cover plate; the front side of the upper seat body is provided with a Teflon material contact pad corresponding to the periphery of the workpiece, the height of the upper seat body is corresponding to the height of the workpiece, and the lower end of the axial clamping jaw is provided with a Teflon material contact pad which is in contact with the end face of the workpiece.

8. The turnover device of the nuclear power wheel disc of claim 7, wherein a center seat is arranged in the middle of the lower side of the turnover table, four bottom oil cylinders which are uniformly distributed along the circumferential direction are hinged on the center seat, the four bottom oil cylinders are respectively arranged in one-to-one correspondence with the lower seat bodies of the four clamping seats, the lower seat bodies are L-shaped, the lower cover plate is fixed on the horizontal part of the lower seat body, and the extending ends of piston rods of the bottom oil cylinders are hinged with the vertical parts of the corresponding lower seat bodies.

9. The turnover device of a nuclear power wheel disc according to claim 1 or 2, wherein two ends of the rotating shaft are provided with rotary joints, and the rotary joints are connected with a hydraulic pump station through oil pipes.

10. The turnover device of the nuclear power wheel disc according to claim 1 or 2, wherein the workpiece is cylindrical, a plurality of concave annular grooves are formed in the periphery of the workpiece at intervals, annular lifting devices are arranged corresponding to the workpiece, a plurality of radially movable positioning inserting blocks are uniformly arranged on the lifting devices at intervals along the circumferential direction, and the workpiece supporting seat is annular and matched with the workpiece.

Images