Cross balance beam storage support for nuclear power ring crane

Abstract

The utility model discloses a cross balance beam storage support for a nuclear power ring crane, and belongs to the technical field of storage racks, a base is a cuboid, a lifting ring matched with a lifting appliance is fixedly mounted in the center of the base, supports are fixedly mounted on the lifting ring in a bilateral symmetry manner, U-shaped holes are formed in the top ends of the two supports in the same direction, and the U-shaped holes are communicated with the lifting appliance. And a buffer device is arranged in the bracket below the U-shaped hole. According to the utility model, the U-shaped spring block is pushed by the buffer device, so that the U-shaped spring block is propped against the cross beam, and the elastic force of the spring is used for counteracting part of the weight of the lifting appliance to share the pressure of the bracket; the lifting ring is in contact with the lifting appliance, so that the pressure of the bracket is further shared, and the pressure distribution of the bracket is more uniform; by utilizing the hoisting device, the hoisting tool and the bracket can be conveniently matched for hoisting, so that the bracket is more flexible to move.

Description

TECHNICAL FIELD

[0001] The utility model relates to a storage rack technical field, especially a cross balance beam storage support for nuclear power ring crane. BACKGROUND

[0002] The prior art discloses a nuclear power station ring crane lifting appliance capable of realizing precise centering function. The ring crane cross shaft lifting appliance introduces a cross universal joint as a high-precision automatic centering component, and can meet the process requirement that the levelness of hoisted heavy objects is extremely high. The lifting appliance can effectively solve the problem of the horizontal difference of hoisted objects caused by the excessive strength of the crane wire rope or other factors. The ring crane cross shaft lifting appliance is not only limited to nuclear power stations, but also applicable to other hoisting processes with extremely high levelness requirement of hoisted objects, such as the fields of aerospace, aviation, military industry and infrastructure, and can provide reference for large hoisting machinery engineering.

[0003] In actual use, the lifting appliance is usually stored horizontally after use. When heavy objects need to be hoisted, the lifting appliance needs to be changed to a vertical state. Due to the heavy weight (5.6 tons) of the lifting appliance itself and other reasons, the process takes nine hours, which wastes a lot of time and manpower. Therefore, a method for vertically storing the cross balance beam of the nuclear power ring crane is needed, and thus the cross balance beam storage support for the nuclear power ring crane is provided. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem in the background art, and designs a cross balance beam storage support for a nuclear power ring crane.

[0005] To achieve the above-mentioned purpose, the utility model provides a cross balance beam storage support for a nuclear power ring crane, which comprises a support, a base, a hoisting device and a buffer device. The base is a cuboid. A lifting ring matched with the lifting appliance is fixedly installed on the central part of the base. The lifting ring is symmetrically fixedly installed with supports on the left and right. The top end of each support is provided with a U-shaped hole arranged in the same direction. The buffer device is arranged in the support below the U-shaped hole. The opening direction of the U-shaped hole is perpendicular to the opening direction of the lifting ring.

[0006] Preferably, a groove is arranged below the U-shaped hole, and the buffer device is arranged in the groove. The buffer device comprises a secondary spring, a primary spring and a U-shaped spring block. The U-shaped spring block is arranged in the U-shaped hole. The secondary spring is arranged on the left and right sides of the U-shaped spring block. The primary spring is arranged at the center of the U-shaped spring block.

[0007] Preferably, the inside of the support is surrounded by a fixed flange at the lower half of the U-shaped hole. Threaded holes are arranged on the fixed flange.

[0008] Preferably, the spreaders are connected with cross beams through connecting flanges on both sides, the cross beam on each side is placed on the corresponding side U-shaped hole, a plurality of fixed blocks are fixedly installed on the same circumferential section of the cross beam, the fixed blocks are provided with fixed holes, and the fixed holes correspond one-to-one with the threaded holes on the fixed flanges.

[0009] Preferably, the lifting device is composed of a lifting ring, a fixed flange, a fixed block, a fixed hole and a threaded hole on the fixed flange.

[0010] Beneficial effects:

[0011] The utility model provides a cross balance beam storage support for nuclear power ring hoist, has the following beneficial effects, the device passes through its structure design, utilizes buffer device and promotes U type spring block, to make U type spring block and bear crossbeam, further utilize the spring elasticity and offset a part of the weight of spreader, and the pressure of support is shared, utilize the lifting ring and contact spreader, to further share the pressure of support, make the support pressure distribution more uniform, utilize lifting device, convenient spreader and support cooperation hoist, to make the support movement more flexible. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structure schematic view of cross balance beam storage support for nuclear power ring hoist of the utility model;

[0013] Figure 2 It is the structure schematic view of cross balance beam storage support for nuclear power ring hoist of the utility model;

[0014] Figure 3 It is the structure schematic view of cross balance beam storage support for nuclear power ring hoist of the utility model; Figure 2 A-A section of the utility model;

[0015] Figure 4 It is the structure schematic view of the spreader storage of the utility model;

[0016] Figure 5 It is the structure schematic view of cross balance beam storage support for nuclear power ring hoist of the utility model; Figure 4 B of the utility model;

[0017] Figure 6 It is the structure schematic view of the support installation assembly of the utility model;

[0018] Figure 7 It is the structure schematic view of the spreader and cross balance beam assembly of the utility model.

[0019] In the diagram, 1. Cross balance beam; 2. Steel cable; 3. Lifting device; 4. Crossbeam; 5. Bracket; 6. Base; 7. U-shaped spring block; 8. Fixing flange; 9. U-shaped hole; 10. Lifting ring; 11. Secondary spring; 12. Main spring; 13. Threaded hole; 14. Fixing hole; 15. Fixing block; 16. Bolt; 17. Connecting beam; 18. Connecting flange; 19. Connecting ring. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be noted that the terms "upper / lower end," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "set / set up," "sleeve," "connection," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] Please see Figures 1-7The utility model provides a kind of technical scheme: a cross balance beam storage support for nuclear power ring crane, it is characterized in that, the base 6 is a cuboid, the central portion of the base 6 is fixedly installed with the lifting ring 10 matched with the lifting appliance 3, the lifting ring 10 is fixedly installed with the support 5 left and right symmetrical, the top of two supports 5 is equipped with the U-shaped hole 9 of same direction setting, the U-shaped hole 9 below support 5 is equipped with buffer device, the U-shaped hole 9 opening direction and the lifting ring 10 opening direction are perpendicular to each other.The U-shaped hole 9 below is equipped with recess, the buffer device is installed in the recess, the buffer device includes auxiliary spring 11, main spring 12 and U-shaped spring block 7, the U-shaped spring block 7 is installed in U-shaped hole 9, the auxiliary spring 11 has two, is installed in U-shaped spring block 7 left and right sides, the main spring 12 has one, is installed in the center position of U-shaped spring block 7, the main spring 12 is larger, is installed in the relatively wide position of U-shaped spring block 7 center, auxiliary spring 11 is smaller, is installed in the relatively narrow position of U-shaped spring block 7 left and right sides, and when U-shaped spring block 7 drops to limit position, main auxiliary spring will not be compressed to limit, prevent pressure from exceeding the spring force limit of main auxiliary spring and lead to spring failure.The inside U-shaped hole 9 of support 5 lower half is surrounded with fixed flange 8, and the fixed flange 8 is distributed with screw hole 13.The lifting appliance 3 side is connected with crossbeam 4 by connecting flange 18, and the crossbeam 4 of each side is placed on the U-shaped hole 9 of corresponding side, the crossbeam 4 is fixedly installed with several fixed blocks 15 on same circumferential section, the fixed block 15 is provided with fixed hole 14, and the fixed hole 14 and the screw hole 13 on fixed flange 8 are one-to-one corresponding.The lifting device is composed of lifting ring 10, fixed flange 8, fixed block 15, fixed hole 14 and screw hole 13 on fixed flange 8.

[0024] In the present embodiment:

[0025] Firstly, the lifting appliance 3 is lowered to a certain height by the steel cable 2 and the cross balance beam 1, then the cross beam 4 and the lifting appliance 3 are combined by the connecting flange 18, the lifting appliance 3 is lifted above the support 5, then the cross beam 4 contacts the U-shaped spring block 7 in the U-shaped hole 9 by adjusting the steel cable 2 to slowly lower the lifting appliance 3, and the U-shaped spring block 7 continues to be lowered until the U-shaped spring block 7 reaches the limit position, at this time, the lifting appliance 3 just contacts the lifting ring 10 at the center position of the base 6, so that the lifting ring 10 shares part of the gravity of the lifting appliance 3, then the connection between the connecting ring 16 and the connecting beam 17 is disconnected, the vertical storage of the lifting appliance 3 is realized, and when it is used again, only the connection between the connecting ring 16 and the connecting beam 17 is reconnected and the connecting flange 18 between the cross beam 4 and the lifting appliance 3 is disconnected, a large amount of manpower, material resources and time are saved; when the support 5 needs to be moved, only after the lifting appliance 3 is stored, the connecting between the support 5 and the lifting appliance 3 is reinforced by the screw 16 through the threaded hole 13 on the fixed flange 8 and the fixed hole 14 on the fixed block 15, then the lifting appliance 3 is combined with the lifting ring 10, and then the support 5 can be lifted and moved to the required place by the steel cable 2.

[0026] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A cross balance beam storage support for nuclear power ring hoist, characterized in that, The utility model relates to a lifting device, including support (5), base (6), lifting device and buffer device, the base (6) is a cuboid, the central part of base (6) is fixedly installed with the lifting ring (10) cooperation with the lifting appliance (3), the lifting ring (10) is fixedly installed with support (5) left and right symmetry, two supports (5) top all are equipped with the U type hole (9) of same direction setting, the U type hole (9) below support (5) is equipped with buffer device, the U type hole (9) opening direction is perpendicular with the opening direction of lifting ring (10) each other.

2. The cross balance beam storage support for nuclear power ring hoist according to claim 1, characterized in that, The U type hole (9) below is equipped with recess, the buffer device is installed in the recess, the buffer device includes vice spring (11), main spring (12) and U type spring block (7), the U type spring block (7) is installed in the U type hole (9), the vice spring (11) has two, is installed in the left and right sides of U type spring block (7) respectively, the main spring (12) has one, is installed in the center position of U type spring block (7).

3. The cross balance beam storage support for nuclear power ring hoist according to claim 1, characterized in that, The inside U type hole (9) of support (5) lower half part is surrounded with fixed flange (8), and the fixed flange (8) is distributed with screw hole (13).

4. The cross balance beam storage support for nuclear power ring hoist according to claim 3, characterized in that, The lifting appliance (3) both sides are connected with crossbeam (4) through connecting flange (18), and the crossbeam (4) of each side is placed on the U type hole (9) of corresponding side, and a plurality of fixed blocks (15) are fixedly installed on the same circumferential section of crossbeam (4), and the fixed hole (14) is arranged in the center position of fixed block (15), and the fixed hole (14) is one to one with the screw hole (13) on fixed flange (8).

5. The cross balance beam storage support for nuclear power ring hoist according to claim 1, characterized in that, The lifting device is composed of lifting ring (10), fixed flange (8), fixed block (15), fixed hole (14) and screw hole (13) on fixed flange (8).

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