CN217750158U

CN217750158U - Nuclear power station ring crane bracket preparation upset clamping device

Info

Publication number: CN217750158U
Application number: CN202221311559.2U
Authority: CN
Inventors: 马富巧; 安俊秋; 何旺年
Original assignee: China Nuclear Industry Huaxing Construction Co Ltd
Current assignee: China Nuclear Industry Huaxing Construction Co Ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-11-08
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a nuclear power station ring crane bracket preparation upset clamping device, including the machine of shifting, the output shaft of the machine of shifting has rotatory support arm, rotatory support arm top is equipped with the ring crane bracket, ring crane bracket one side is equipped with locking mechanism, ring crane bracket bottom is connected with the bottom plate, the bottom plate bottom is fixed with first strengthening rib and second strengthening rib respectively, the bottom plate bottom is fixed with the connection disc, a plurality of fourth through-hole has been seted up to connection disc bottom, through rotating the rotatory piece of hexagonal shape, make the anti-skidding line of a plurality of support columns one side tightly contradict on ring crane bracket surface, both guaranteed sufficient clamp force, make things convenient for the assembly and the dismantlement of ring crane bracket when the welding simultaneously, improved the convenience of ring crane bracket assembly and dismantlement; meanwhile, under the action of the positioner and the rotary supporting arm, a worker does not need to turn over the ring crane bracket for many times, the working strength of the worker is reduced, and the working efficiency of the worker is improved.

Description

Nuclear power station ring crane bracket preparation upset clamping device

Technical Field

The utility model relates to a construction technical field is built to nuclear secondary equipment containment steel lining specifically is a nuclear power station ring crane bracket preparation upset clamping device.

Background

The ring crane bracket of the nuclear power station is a supporting component of an annular crane in a containment, the single net weight is about 4 tons, the main structure is a box-type frame, the plate thickness of each part is more than 20mm, the structure is complex, and joints are full penetration welding lines. The thick plate full penetration joint has large welding amount, can generate great welding stress and welding deformation in the manufacturing process, and has large difficulty in controlling the structure size. In the construction process, in order to meet the requirements of assembly and welding in each stage, the assembly structure in the corresponding stage needs to be subjected to position overturning. In order to improve the manufacturing efficiency of products and guarantee the manufacturing quality, a special position changing device can be adopted for realizing the assembly and welding of parts at different positions in a similar structure, most of the existing ring crane corbels need frequent overturning of the ring crane corbels by workers during manufacturing and welding for welding at different positions, so that the working strength of the workers is high, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nuclear power station ring crane bracket preparation upset clamping device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nuclear power station ring crane bracket preparation clamping device that overturns, includes the machine of shifting, machine of shifting output shaft has the rotary supporting arm, the rotary supporting arm top is equipped with the ring crane bracket, ring crane bracket one side is equipped with locking mechanism, ring crane bracket bottom is connected with the bottom plate, the bottom plate bottom is fixed with first strengthening rib and second strengthening rib respectively, the bottom plate bottom is fixed with the connection disc, a plurality of fourth through-hole has been seted up to connection disc bottom, the downthehole lateral wall threaded connection of fourth through-hole has the bolt, one side threaded connection in one side of rotary supporting arm of bolt, the constant head tank has been seted up at the bottom plate top, the bottom plate top is fixed with backup pad and L shape clamp plate respectively.

As further preferable in the present technical solution: a plurality of fifth through holes are formed in the top of the L-shaped pressing plate, and a third through hole is formed in one side of the top of the bottom plate.

As further preferable in the present technical solution: two a plurality of reinforcing plate is fixed with on backup pad one side, first through-hole has been seted up to reinforcing plate one side, the bottom of reinforcing plate is fixed in top one side of bottom plate, a plurality of second through-hole has been seted up to backup pad one side.

As further preferable in the present technical solution: the locking mechanism comprises a supporting column, anti-skid grains are arranged on one side of the supporting column, and a screw rod is fixed on the other side of the supporting column.

As a further preferred aspect of the present invention: the screw rod threaded connection has the stopper, screw rod one side is fixed with the rotation piece.

As a further preferred aspect of the present invention: one side of the limiting block is movably inserted into one side of the second through hole and one side of the fifth through hole respectively, and one side of the anti-slip pattern abuts against one side of the ring crane bracket.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through being fixed with annular first strengthening rib bottom the bottom plate, and be the radiant type and be provided with multichannel second stiffening rib, when having reduced the base dead weight, improved the rigidity of base, the constant head tank unanimous basically with bracket reinforcing plate profile has been seted up to the bottom plate surface, has further improved the stability of ring crane bracket centre gripping, simultaneously according to the size of ring crane bracket, sets up the size of anchor clamps base, supporting dedicated upset machine of shifting has improved this clamping device's commonality.

2. By rotating the hexagonal rotating block, the anti-skid grains on one side of the support columns tightly abut against the surface of the ring crane corbel, so that sufficient clamping force is ensured, the ring crane corbel is convenient to assemble and disassemble during welding, and the convenience of assembling and disassembling the ring crane corbel is improved; meanwhile, under the action of the positioner and the rotary supporting arm, when the ring crane bracket is manufactured and welded, workers do not need to manually turn over the ring crane bracket for multiple times, the working strength of the workers is reduced, and the working efficiency of the workers is improved.

3. Under the effect that provides the support to the backup pad through using the reinforcing plate, avoid the backup pad to warp when fixed ring crane bracket centre gripping, seted up a plurality of first through-holes simultaneously in one side of reinforcing plate, can realize bottom plate and the rotatory support arm assembling process of machine of shifting, be connected bottom plate and handling rigging through first through-hole, make things convenient for the bottom plate to move when the assembly.

Drawings

Fig. 1 is a first front view structural diagram of the present invention;

fig. 2 is a second front view structural diagram of the present invention;

FIG. 3 is a schematic view of the clamping structure of the ring crane corbel of the present invention;

FIG. 4 is a schematic view of the bottom structure of the first rib of the present invention;

FIG. 5 is a schematic view of the bottom plate of the present invention;

fig. 6 is a schematic front view of the first reinforcing rib of the present invention;

FIG. 7 is a schematic view of the structure of the anti-skid pattern of the present invention;

fig. 8 is a schematic view of the structure of the screw rod of the present invention.

In the figure: 1. a position changing machine; 2. rotating the support arm; 3. a bracket is hung on the ring; 4. a support plate; 5. a base plate; 6. an L-shaped pressing plate; 7. a first through hole; 8. a second through hole; 9. a locking mechanism; 901. anti-skid lines; 902. a support column; 903. a screw; 904. a limiting block; 905. rotating the block; 10. a reinforcing plate; 11. a first reinforcing rib; 12. a second reinforcing rib; 13. connecting the disks; 14. a bolt; 15. positioning a groove; 16. a third through hole; 17. a fourth via hole; 18. and a fifth through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-8, the present invention provides a technical solution: a nuclear power station ring crane corbel manufacturing overturning clamping device comprises a positioner 1, an output shaft of the positioner 1 is connected with a rotary supporting arm 2, the top of the rotary supporting arm 2 is provided with a ring crane corbel 3, one side of the ring crane corbel 3 is provided with a locking mechanism 9, the locking mechanism 9 comprises a supporting column 902, one side of the supporting column 902 is provided with an anti-skid thread 901, the other side of the supporting column 902 is fixedly provided with a screw 903, the screw 903 is used for adjusting the distance between the supporting column 902 and the limiting block 904, the screw 903 is in threaded connection with a limiting block 904, one side of the screw 903 is fixedly provided with a rotary block 905, the supporting column 902, the screw 903, the limiting block 904 and the rotary block 905 are all made of 65MnV, one side of the limiting block 904 is movably inserted into one side of a second through hole 8 and a fifth through hole 18 respectively, one side of the anti-skid thread 901 is abutted against one side of the ring crane corbel 3, one side of the limiting block 904 is abutted against one side of the second through hole 8 and the fifth through hole 18, the clamping force between the support column 902 and the anti-skid veins 901 from the ring crane corbel 3 is adjusted by rotating the rotating block 905, the bottom of the ring crane corbel 3 is connected with the bottom plate 5, the size of the connecting disc 13 is consistent with that of the connecting support of the rotating support arm 2 of the positioner 1, so that the bottom plate 5 is reliably connected with the positioner 1, the requirements of welding positions of all positions in the manufacturing process of the ring crane corbel 3 are met, the bottom of the bottom plate 5 is fixedly provided with a first reinforcing rib 11 and a second reinforcing rib 12, the first reinforcing rib 11 is an annular supporting rib and is positioned at one side of the bottom plate 5, a plurality of second reinforcing ribs 12 are arranged, two ends of the second reinforcing rib 12 are respectively connected with the first reinforcing rib 11 and the connecting disc 13, the bottom of the bottom plate 5 is fixedly provided with a connecting disc 13, the bottom of the connecting disc 13 is provided with a plurality of fourth through holes 17, the inner side wall of each through a bolt 14, one side of each bolt 14 is in threaded connection with one side of the rotating support arm 2, the locating groove 15 is formed in the top of the bottom plate 5, the supporting plates 4 and the L-shaped pressing plates 6 are fixed to the top of the bottom plate 5 respectively, a plurality of fifth through holes 18 are formed in the top of the L-shaped pressing plates 6, a third through hole 16 is formed in one side of the top of the bottom plate 5, the connecting column of the ring crane bracket 3 penetrates through the inner side of the third through hole 16, interference between the connecting column of the ring crane bracket 3 and the bottom plate 5 is avoided, a plurality of reinforcing plates 10 are fixed to one sides of the two supporting plates 4, a first through hole 7 is formed in one side of each reinforcing plate 10, the bottom of each reinforcing plate 10 is fixed to one side of the top of the bottom plate 5, a plurality of second through holes 8 are formed in one side of the supporting plates 4, the limiting blocks 904 are movably inserted into the inner sides of the second through holes 8, the limiting blocks are used for clamping and locating the ring crane bracket 3, the overturning clamping device needs to be matched with the rotary supporting arms 2 of the positioner 1, one side of the limiting blocks 904 are hexagonal, the second through holes 8 and the fifth through holes 18, and relative sliding cannot occur.

The working principle is as follows: a worker firstly selects a steel plate with a certain thickness for manufacturing a bottom plate 5 according to the size of a ring crane bracket 3, a positioning groove 15 for placing the ring crane bracket 3 is formed in the top of the bottom plate 5, so that the ring crane bracket 3 and the bottom plate 5 are conveniently positioned, horizontal sliding in the overturning process is limited, a connecting column of the ring crane bracket 3 penetrates through the inner side of a third through hole 16, interference between the connecting column of the ring crane bracket 3 and the bottom plate 5 is avoided, meanwhile, the connecting column is fixed with the top of a rotary supporting arm 2 through a bolt 14 at the bottom of a connecting disc 13, a cavity structure is formed under the action of a plurality of first reinforcing ribs 11 and second reinforcing ribs 12 fixed at the bottom of the bottom plate 5, the structural strength of the bottom plate 5 is ensured, the structure is reduced, the size of the connecting disc 13 is consistent with the connecting support of the rotary supporting arm 2 of a positioner 1, so that the bottom plate 5 and the positioner 1 are reliably connected, welding requirements of all positions in the manufacturing process of the ring crane bracket 3 are met, a first through hole 7 is formed in one side of a reinforcing plate 10, and the first through hole 7 can realize the assembly process of the rotary supporting arm 5 and the positioner 1 and the support arm 2;

when the ring crane bracket 3 needs to be welded, the limit blocks 904 are respectively and movably inserted into the inner sides of the second through hole 8 and the fifth through hole 18, at the moment, the screw rod 903 is in threaded connection with the limit blocks 904, the support columns 902 on one sides of the support plate 4 and the L-shaped pressure plate 6 are respectively abutted against one side of the ring crane bracket 3, the rotating block 905 on one side of the screw rod 903 is rotated, the rotating block 905 is hexagonal, the screw rod 903 rotates along with the rotating screw rod 903, the screw rod 903 is in threaded connection with the limit blocks 904, the anti-slip threads 901 on one sides of the support columns 902 are tightly abutted against the surface of the ring crane bracket 3, the anti-slip threads 901 in the horizontal direction are used for increasing the friction force of the abutting surface, the reliability of the clamping device is ensured, and the requirement that enough operation space is reserved for welding and detecting of all parts of the ring crane bracket 3 is realized; meanwhile, the ring crane bracket 3 is compressed and fixed in the vertical direction through the anti-slip lines 901 in the vertical direction, the limit in the vertical direction is realized, the stability of the clamping device in the process of manufacturing and overturning the ring crane bracket 3 is further ensured, the clamping and fixing of the ring crane bracket 3 can be realized to form integral overturning, the welding of welding seams at various positions is met, and the connection and the separation of the ring crane bracket 3 clamping devices with different structural types and the positioner 1 are realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a nuclear power station ring crane bracket preparation upset clamping device, includes machine of shifting (1), its characterized in that: positioner (1) output shaft has rotation support arm (2), rotation support arm (2) top is equipped with ring crane bracket (3), ring crane bracket (3) one side is equipped with locking mechanism (9), ring crane bracket (3) bottom is connected with bottom plate (5), bottom plate (5) bottom is fixed with first strengthening rib (11) and second strengthening rib (12) respectively, bottom plate (5) bottom is fixed with connection disc (13), a plurality of fourth cross hole (17) have been seted up to connection disc (13) bottom, fourth through-hole (17) inside wall threaded connection has bolt (14), one side threaded connection of bolt (14) is in one side of rotation support arm (2), constant head tank (15) have been seted up at bottom plate (5) top, bottom plate (5) top is fixed with backup pad (4) and L shape clamp plate (6) respectively.

2. The overturning and clamping device for manufacturing the ring crane bracket in the nuclear power plant as claimed in claim 1, is characterized in that: a plurality of fifth through holes (18) are formed in the top of the L-shaped pressing plate (6), and a third through hole (16) is formed in one side of the top of the bottom plate (5).

3. The overturning and clamping device for manufacturing the ring crane bracket in the nuclear power plant as claimed in claim 2, characterized in that: two backup pad (4) one side is fixed with a plurality of reinforcing plate (10), first through-hole (7) have been seted up to reinforcing plate (10) one side, the bottom of reinforcing plate (10) is fixed in top one side of bottom plate (5), a plurality of second through-hole (8) have been seted up to backup pad (4) one side.

4. The overturning and clamping device for manufacturing the ring crane bracket in the nuclear power plant as claimed in claim 3, characterized in that: the locking mechanism (9) comprises a supporting column (902), wherein one side of the supporting column (902) is provided with anti-skidding threads (901), and the other side of the supporting column (902) is fixed with a screw (903).

5. The overturning and clamping device for manufacturing the ring crane bracket in the nuclear power plant as claimed in claim 4, wherein: screw rod (903) threaded connection has stopper (904), screw rod (903) one side is fixed with rotatory piece (905).

6. The overturning and clamping device for manufacturing the ring crane bracket in the nuclear power plant as claimed in claim 5, wherein: one side of the limiting block (904) is movably inserted into one side of the second through hole (8) and one side of the fifth through hole (18), and one side of the anti-skidding threads (901) abuts against one side of the ring crane bracket (3).