CN204938708U - A kind of hoisting and overturning girder construction for large pressurized vessel - Google Patents

Abstract

The utility model discloses a hoisting and turning beam structure for a large pressure vessel. By providing a hoisting and turning beam installation part and a lifting beam for the main equipment pressure vessel of a nuclear power plant, a horizontally placed pressure vessel can pass through the hoisting and turning beam structure once. After hoisting and positioning, change the position of the pressure vessel from the lying position to the vertical position. The utility model discloses a lifting and turning beam structure for large pressure vessels. The center of gravity of the whole lifting and turning beam structure can realize a rational layout, and positioning pins and plug irons are used to firmly combine the lifting and turning beam installation parts with the large pressure vessel, so that The lifting and turning beam structure has: convenient clamping and fixing, reliable turning and positioning and sufficient load-bearing capacity.

Description

A Lifting and Turning Beam Structure Used for Large Pressure Vessels

technical field

The utility model relates to a hoisting device for a pressure vessel of main equipment of nuclear power, in particular to a lifting and turning beam structure for a large pressure vessel.

Background technique

After the manufacturing of the pressure vessel of the main equipment of nuclear power is completed, a hydrostatic test is required to turn the equipment from a horizontal posture to an upright state. This is a key step in the production of nuclear power. Combined with the company's workshop layout, it is safe and secure Turning over is an important content involved and considered in this technology.

During the hydrostatic test, the pressure vessel enters the deep pit test in an overall vertical standing posture, and before that, the vessel is placed on the roller frame in a lying position (as shown in Figure 1). Therefore, to make a container with a weight of about 300 tons and an overall height of more than 10m complete the station transition from the lying position to the vertical position, a large lifting and turning beam will be needed to complete the whole action.

Utility model content

The purpose of the utility model is to provide a hoisting and turning beam structure for large pressure vessels. By setting the lifting and turning beam installation parts and lifting beams for the pressure vessel of the main equipment of nuclear power, the horizontally placed pressure vessel can be lifted through the turning beam structure. After one lifting and positioning, the position of the pressure vessel is changed from the lying position to the vertical position. The utility model discloses a lifting and turning beam structure for large pressure vessels. The center of gravity of the whole lifting and turning beam structure can realize a rational layout, and positioning pins and plug irons are used to firmly combine the lifting and turning beam installation parts with the large pressure vessel, so that The lifting and turning beam structure has: convenient clamping and fixing, reliable turning and positioning and sufficient load-bearing capacity.

In order to achieve the above object, the utility model is realized through the following technical solutions:

A hoisting and turning beam structure for a large pressure vessel, which is characterized in that the lifting and turning beam structure includes:

Lift the turning beam installation parts and connect with the external large pressure vessel;

The lifting beam is connected with the installation part of the lifting turning beam.

Preferably, the lifting and turning beam installation parts include:

a side plate assembly, the top of the side plate assembly is connected to the lifting beam;

A bottom plate assembly, one end of the bottom plate assembly is vertically connected to the bottom of the side plate assembly; the bottom plate assembly is connected to an external large pressure vessel;

a baffle arranged at the bottom of the bottom plate assembly;

The support plate is arranged on the other end surface of the bottom plate assembly.

Preferably, the lifting and turning beam installation part also includes:

A plurality of positioning pins, each of which securely connects the bottom plate assembly with the external large pressure vessel;

The plug iron is arranged between the baffle plate and the external large pressure vessel after the hoisting turning beam structure is connected with the large pressure vessel.

Preferably, the floor assembly includes:

floor;

The bottom web is arranged on one end surface of the bottom plate; the support plate is vertically connected to the bottom web;

a top web, arranged on the other end surface of the bottom plate; the side plate assembly is vertically connected to the top web;

A pair of lifting lugs are arranged symmetrically on the top of the bottom plate.

Preferably, the side panel assembly includes:

a pair of side plates symmetrically arranged vertically on said top web;

A plurality of first ribs are respectively arranged between the pair of side plates;

A plurality of second ribs are respectively arranged on each of the side plates and fixedly connected with the top web.

Preferably, the lifting beam comprises:

A word beam, one end of the word beam is connected to the top of the side plate assembly;

A driving hook, the driving hook is connected to the other end of the one-shaped beam.

Preferably, the lifting beam also includes:

The first pin pair movably connects one end of the one-beam to the top of the side plate;

The second pair of pins movably connects the other end of the one-shaped beam to the driving hook.

Compared with the prior art, the utility model has the following advantages:

The utility model discloses a hoisting and turning beam structure for a large pressure vessel. By providing a lifting and turning beam installation part and a lifting beam for the main equipment pressure vessel of a nuclear power plant, the horizontally placed pressure vessel can pass through the hoisting and turning beam structure once. After hoisting and positioning, change the position of the pressure vessel from the lying position to the vertical position. The utility model discloses a lifting and turning beam structure for large pressure vessels. The center of gravity of the whole lifting and turning beam structure can realize a rational layout, and positioning pins and plug irons are used to firmly combine the lifting and turning beam installation parts with the large pressure vessel, so that The lifting and turning beam structure has: convenient clamping and fixing, reliable turning and positioning and sufficient load-bearing capacity.

Description of drawings

Fig. 1 is one of the overall structural schematic diagrams of a lifting and turning beam structure for a large pressure vessel of the present invention.

Fig. 2 is a front view of a lifting and turning beam installation part for a lifting and turning beam structure of a large pressure vessel according to the present invention.

Fig. 3 is a right side view of a lifting and turning beam installation part for a lifting and turning beam structure of a large pressure vessel according to the present invention.

Fig. 4 is the second schematic diagram of the overall structure of a hoisting and turning beam structure for a large pressure vessel of the present invention.

detailed description

The utility model will be further elaborated below by describing a preferred specific embodiment in detail in conjunction with the accompanying drawings.

As shown in FIG. 1 and FIG. 4 , a lifting and turning beam structure for a large pressure vessel, the lifting and turning beam structure includes: a lifting turning beam installation part 1 and a lifting beam 2 . Wherein, the lifting and turning beam installation part 1 is connected with the external large pressure vessel; the lifting beam 2 is connected with the lifting and turning beam installation part 1 .

As shown in FIG. 1-FIG. 3 , the installation part 1 of the hoisting turning beam includes: a side plate assembly 12 , a bottom plate assembly 11 , a baffle plate 13 , a support plate 14 , a plug iron 15 and a plurality of positioning pins 16 .

Wherein, the top of the side plate assembly 12 is connected with the lifting beam 2 . One end surface of the bottom plate assembly 11 is vertically connected to the bottom of the side plate assembly 12 , and the bottom plate assembly 11 is connected to the external large pressure vessel 100 . The baffle 13 is disposed at the bottom of the bottom plate assembly 11 . The support plate 14 is disposed on the other end surface of the bottom plate assembly 11 . After the lifting beam structure is connected with the large pressure vessel 100 , the plug iron 15 is arranged between the baffle plate 13 and the external large pressure vessel 100 . Each positioning pin shaft securely connects the bottom plate assembly 11 with the external large pressure vessel 100 .

Since the lifting of the turning beam structure needs to complete the transformation of the pressure vessel 100 from the horizontal station to the vertical station, the lifting turning beam installation part 1 and the lifting beam 2 will inevitably be subjected to forces in multiple directions. Therefore, after the utility model uses the positioning pin shaft 16 to locate the lifting and turning beam installation part 1, the baffle plate 13 is used to match the plug iron 15, so that the lifting and turning beam installation part 1 and the pressure vessel 100 are integrally fixed, so that more The first positioning pin shaft 16 will not be subject to shearing force and bending moment force, thereby ensuring the safety and reliability of the whole lifting process.

As shown in FIG. 2 , the bottom plate assembly 11 includes: a bottom plate 111 , a bottom web 112 , a top web 113 and a pair of lifting lugs 114 .

Wherein, the bottom web 112 is arranged on one end surface of the bottom plate 111 , and the support plate 14 is vertically connected with the bottom web 112 . The top web 113 is arranged on the other end surface of the bottom plate, and the side plate assembly 12 is vertically connected with the top web 113 . A pair of lifting lugs 114 are symmetrically disposed on the top of the bottom plate 111 .

As shown in FIG. 2 and FIG. 3 , the side plate assembly 12 includes: a pair of side plates 121 , a plurality of first ribs 122 , and a plurality of second ribs 123 . Wherein, a pair of side plates 121 are arranged symmetrically and vertically on the top web 113; a plurality of first ribs 122 are respectively arranged between a pair of side plates 121; a plurality of second ribs 123 are respectively arranged on each side plate 121 and fixedly connected with the top web 113.

As shown in FIG. 1 and FIG. 4 , the lifting beam 2 includes: a straight beam 21 , a driving hook 22 , a first pin pair 23 and a second pin pair 24 . Wherein, one end of the one-shaped beam 21 is connected with the top of the side plate assembly 12 ; the driving hook 22 is connected with the other end of the one-shaped beam 21 . The first pin pair 23 movably connects one end of the one-shaped beam 21 with the top of a pair of side plates 121 ; the second pin pair 24 movably connects the other end of the one-shaped beam 22 with the driving hook 22 .

The utility model discloses a hoisting and turning beam structure for large pressure vessels, the specific working principle is as follows:

As shown in Figure 1 , a plurality of roller frames 3 and V-shaped saddles 4 are placed according to the positions in Figure 1 . A plurality of roller frames 3 are rotated so that the pressure vessel 100 is in a suitable installation position for hoisting and turning over the beam structure. A plurality of positioning pins 16 fixedly connect the flange end face of the pressure vessel 100 with the bottom plate assembly 11 of the hoisting turning beam installation part 1; The tight fit between the rollover beam structure and the pressure vessel 100 . The first pin pair 23 and the second pin pair 24 are used to movably connect the one-shaped beam 21 to the top of the side plate assembly 12 and the driving hook 22 respectively. After the installation is completed, as the driving hook 22 is driven up, the final preparation before the lifting action of the pressure vessel 100 is completed. When the external crane picks up the crane hook 22, the pressure vessel 100 will take the contact point between the container spherical head 5 and the V-shaped saddle 4 as the fulcrum, and along with the first pin pair 23 and the second pin pair 24 The rotation drives the pressure vessel 100 to rotate counterclockwise, and finally reaches the vertical position as shown in FIG. 3 .

Although the content of the present invention has been described in detail through the above preferred embodiments, it should be recognized that the above description should not be considered as a limitation of the present invention. Various modifications and substitutions of the present utility model will be obvious to those skilled in the art after reading the above content. Therefore, the protection scope of the present utility model should be defined by the appended claims.

Claims (7)

1. A lifting and turning beam structure for a large pressure vessel, characterized in that the lifting and turning beam structure comprises: Lift the turning beam installation parts and connect with the external large pressure vessel; The lifting beam is connected with the installation part of the lifting turning beam. 2. The hoisting and turning beam structure for large pressure vessels according to claim 1, wherein the lifting and turning beam installation parts include: a side plate assembly, the top of the side plate assembly is connected to the lifting beam; A bottom plate assembly, one end of the bottom plate assembly is vertically connected to the bottom of the side plate assembly; the bottom plate assembly is connected to an external large pressure vessel; a baffle arranged at the bottom of the bottom plate assembly; The support plate is arranged on the other end surface of the bottom plate assembly. 3. The lifting and turning beam structure for a large pressure vessel according to claim 2, wherein the lifting and turning beam installation part further comprises: A plurality of positioning pins, each of which securely connects the bottom plate assembly with the external large pressure vessel; The plug iron is arranged between the baffle plate and the external large pressure vessel after the hoisting turning beam structure is connected with the large pressure vessel. 4. The hoisting and turning beam structure for large pressure vessels according to claim 2, wherein the floor assembly comprises: floor; The bottom web is arranged on one end surface of the bottom plate; the support plate is vertically connected to the bottom web; a top web, arranged on the other end surface of the bottom plate; the side plate assembly is vertically connected to the top web; A pair of lifting lugs are arranged symmetrically on the top of the bottom plate. 5. The lifting and turning beam structure for a large pressure vessel as claimed in claim 4, wherein the side panel assembly comprises: a pair of side plates symmetrically arranged vertically on said top web; A plurality of first ribs are respectively arranged between the pair of side plates; A plurality of second ribs are respectively arranged on each of the side plates and fixedly connected with the top web. 6. The lifting beam structure for large pressure vessels as claimed in claim 2, wherein the lifting beam comprises: A word beam, one end of the word beam is connected to the top of the side plate assembly; A driving hook, the driving hook is connected to the other end of the one-shaped beam. 7. The lifting beam structure for a large pressure vessel according to claim 6, wherein the lifting beam further comprises: The first pin pair movably connects one end of the one-beam to the top of the side plate; The second pair of pins movably connects the other end of the one-shaped beam to the driving hook.