Large container ship shaft generator rotor lifting device

Abstract

The utility model relates to the technical field of ship construction, in particular to a large container ship shaft generator rotor hoisting device which comprises a balance beam, a fixing assembly is arranged on the balance beam and used for hoisting a shaft generator rotor, and the fixing assembly comprises a main body assembly and a lifting assembly, a fixed plate is fixed at the lower end in the frame body, a fixed seat is fixed in the fixed plate, a circular plate is slidably mounted in the fixed seat, a guide frame is fixed at the front end of the circular plate, four guide grooves which are circumferentially distributed are formed in the guide frame, a pin head is slidably mounted on the guide frame through the guide grooves, and the pin head and the fixed seat are slidably mounted in a penetrating manner; an inner hexagonal screw rod is mounted in the fixed seat in a threaded manner, and the front end of the inner hexagonal screw rod is rotationally mounted on the circular plate; the balance beam is matched with the fixing assembly, so that hoisting force is converted into axial tension in the hoisting process, and the situation that the shaft generator rotor generates bending stress due to two-point hoisting is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to shipbuilding technical field, concretely is a large container ship shaft belt generator rotor hoisting device. BACKGROUND

[0002] In the process of shipbuilding, the hoisting of ship sections and equipment is one of the most important processes. Hoisting capacity and sling design capacity are important indicators for measuring the construction capacity of ship enterprises.

[0003] According to the search of the publication number: CN218595862U, a large container ship shaft belt generator rotor hoisting device is disclosed, which discloses "a large container ship shaft belt generator rotor hoisting device. It includes front end lifting appliance, rear end lifting appliance, sling and hoisting equipment. The front end lifting appliance includes front flange plate, lifting appliance mounting seat, rotating seat and front lifting ring, and the rotating seat is installed in the lifting appliance mounting seat and can rotate freely around its own axis". The technical scheme has the technical effects of "convenient position adjustment between the rotor coil and the rotating seat during installation, avoiding damage to screw holes and other parts. The rear end lifting appliance is connected with the rear flange through multiple screws and a rib plate, increasing the connection strength and ensuring that the rear end lifting appliance has sufficient strength when adjusting from the vertical state to the horizontal state, and the problem of cracking does not occur".

[0004] In the above-mentioned scheme, the front end lifting appliance and the rear end lifting appliance are respectively installed at both ends of the shaft belt generator rotor shaft, and the hoisting equipment is connected with the front end lifting appliance and the rear end lifting appliance through the sling to realize hoisting. However, this results in that the shaft belt generator rotor shaft will bear the lifting force at both ends during hoisting. Since the rotor shaft is a precision component, if only the two ends are hoisted, the middle part may be bent due to its own weight, and if the material yield strength is exceeded, permanent deformation will occur. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a large container ship shaft belt generator rotor hoisting device, which has the characteristics of converting the hoisting force into axial tension during hoisting by the balance beam and the fixed assembly, preventing the shaft belt generator rotor from being bent due to two-point hoisting.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme: a large container ship shaft belt generator rotor hoisting device, including a balance beam, the balance beam is provided with a fixed assembly and is used for hoisting the shaft belt generator rotor, and the fixed assembly comprises:

[0007] The body assembly comprises a frame body mounted at both ends of the balance beam, a fixed plate fixed at the lower end of the frame body, a fixed seat fixed in the fixed plate, a circular plate slidingly mounted in the fixed seat, a guide frame fixed at the front end of the circular plate, four guide grooves circumferentially arranged in the guide frame, a pin head slidingly mounted in the guide frame through the guide grooves, the pin head slidingly penetrating through the fixed seat, an internal hexagonal screw rod threadedly mounted in the fixed seat, and the internal hexagonal screw rod rotatably mounted at the front end of the circular plate;

[0008] The mounting assembly comprises a mounting cylinder mounted on the front end of the fixed seat, four insertion holes circumferentially arranged in the mounting cylinder and matched with the pin head, and a flange plate fixed at the front end of the mounting cylinder.

[0009] The adjusting assembly is arranged on the balance beam and used for fixing the body assembly.

[0010] Preferably, the mounting assembly further comprises a plurality of waist-shaped holes circumferentially arranged in the outer edge of the flange plate.

[0011] Preferably, the adjusting assembly comprises a plurality of adjusting blocks fixed at both ends of the top of the balance beam at equal intervals, a fixing member mounted at the top of the frame body, and the fixing member fixed with the adjusting blocks through bolts.

[0012] Preferably, a perforated ring is fixed at the middle of the top of the balance beam.

[0013] Preferably, a lifting ring is fixed at each end of the top of the balance beam, and a base is fixed at each end of the bottom of the balance beam.

[0014] Preferably, a warning strip is arranged on each surface of the balance beam.

[0015] Advantages

[0016] The utility model provides a large -scale container ship shaft belt generator rotor hoist device.

[0017] 1, hoist the balance beam through the lifting cable cooperation ring, the balance beam passes through both ends fixed assembly and fixes the shaft belt generator rotor between and hoists up, through the balance beam cooperation fixed assembly, in the hoisting process, the hoisting force is converted into axial tension, prevents the shaft belt generator rotor from producing bending stress because of two point hoisting.

[0018] 2、According to the flange size of the shaft generator rotor, the mounting assembly suitable for the flange size can be installed, the mounting cylinder is sleeved and installed on the fixed seat, the internal hexagonal screw rod is rotated to drive the circular plate to drive the guide frame, the guide frame drives the pin head to extend outward and is inserted into the insertion hole, so that the mounting assembly is installed and fixed on the main body assembly, and the two ends of the mounting assembly are fixed with the two end flanges of the shaft generator rotor respectively; the mounting assembly can be disassembled and assembled, so that different specifications of the rotor shaft can be replaced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic view of the three-dimensional structure of the utility model;

[0020] Figure 2 It is a schematic view of the structure of the bottom of the utility model;

[0021] Figure 3 It is a split view of the fixed assembly in the utility model;

[0022] Figure 4 It is a sectional view of the fixed assembly in the utility model;

[0023] Figure 5 It is a schematic view of the structure of the utility model Figure 1 A is a schematic view of the structure of the utility model.

[0024] In the drawing: 1, balance beam; 2, fixed assembly; 21, main body assembly; 211, frame body; 212, fixed plate; 213, fixed seat; 214, circular plate; 215, guide frame; 216, guide groove; 217, pin head; 218, internal hexagonal screw rod; 22, mounting assembly; 221, mounting cylinder; 222, insertion hole; 223, flange plate; 224, waist-shaped hole; 23, adjusting assembly; 231, adjusting block; 232, fixing piece; 3, warning strip; 4, perforated ring; 5, lifting ring; 6, base. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figure 1 - Figure 5 The utility model provides a kind of technical scheme: a large container ship shaft generator rotor hoist device, including balance beam 1, balance beam 1 is provided with fixed assembly 2 and is used to hoist shaft generator rotor, fixed assembly 2 includes:

[0027] The main body assembly 21 comprises a frame body 211 installed at both ends of the balance beam 1, a fixed plate 212 fixed at the lower end inside the frame body 211, a fixed seat 213 fixed inside the fixed plate 212, a round plate 214 slidingly installed inside the fixed seat 213, a guide frame 215 fixed at the front end of the round plate 214, four guide grooves 216 circumferentially distributed in the guide frame 215, a pin head 217 slidingly installed in the guide frame 215 through the guide grooves 216, and the pin head 217 slidingly installed through the fixed seat 213, an internal hexagonal screw 218 threadedly installed inside the fixed seat 213, and the internal hexagonal screw 218 rotationally installed at the front end of the round plate 214.

[0028] The mounting assembly 22 comprises a mounting cylinder 221 sleeved and installed at the front end outside of the fixed seat 213, four insertion holes 222 circumferentially distributed on the mounting cylinder 221 and matched with the pin head 217, and a flange plate 223 fixed at the front end of the mounting cylinder 221.

[0029] The adjusting assembly 23 is arranged on the balance beam 1 and used for fixing the main body assembly 21.

[0030] In this embodiment, the mounting assembly 22 suitable for the flange size of the shaft generator rotor can be installed, the mounting cylinder 221 is sleeved and installed on the fixed seat 213, the internal hexagonal screw 218 is rotated to drive the guide frame 215 through the round plate 214, the guide frame 215 drives the pin head 217 to extend outward and be inserted into the insertion hole 222 through the guide groove 216, so that the mounting assembly 22 is installed and fixed on the main body assembly 21, and the mounting assemblies 22 at both ends are fixed with the flanges at both ends of the shaft generator rotor respectively; during hoisting, the lifting force is converted into axial tension to prevent the shaft generator rotor from being bent due to two-point lifting.

[0031] Specifically, the mounting assembly 22 further comprises a plurality of waist-shaped holes 224 circumferentially distributed on the inner edge of the flange plate 223.

[0032] In this embodiment, the waist-shaped holes 224 on the flange plate 223 can be adapted to flanges with different bolt distributions within a certain range, reducing the need for customized tooling.

[0033] Specifically, the adjusting assembly 23 comprises a plurality of adjusting blocks 231 fixed at both ends of the top of the balance beam 1 at equal intervals, a fixed part 232 installed at the top of the frame body 211, and the fixed part 232 fixed with the adjusting blocks 231 through bolts.

[0034] In this embodiment, the distance between the lifting points can be flexibly adjusted, and the device is suitable for various types of shaft generator rotors.

[0035] Specifically, a perforated ring 4 is fixed at the top of the balance beam 1.

[0036] In this embodiment, when the shaft generator rotor is fixed between the two end fixing assemblies 2, the load can be dispersed by passing the flexible sling through the perforated ring 4 and binding it in the middle of the shaft generator rotor, and this step can be selected for use according to actual conditions.

[0037] Specifically, the top two ends of the balance beam 1 are fixed with lifting rings 5, and the bottom two ends of the balance beam 1 are fixed with bases 6.

[0038] In this embodiment, the hoist lifts the balance beam 1 through the lifting rope cooperating with the lifting ring 5, and the balance beam 1 lifts the shaft generator rotor fixed therebetween through the two end fixing assemblies 2.

[0039] Specifically, the two end surfaces of the balance beam 1 are provided with warning strips 3.

[0040] In this embodiment, the warning strips 3 remind the operators to pay attention to the hoisting area to avoid collision.

[0041] The working principle and use process of the utility model are as follows: first, according to the length of the shaft generator rotor, the distance between the lifting points of the two end main body assemblies 21 is adjusted through the adjusting assembly 23; then, the installation assembly 22 suitable for the flange size of the shaft generator rotor is installed, the installation cylinder 221 is sleeved and installed on the fixing seat 213, the inner hexagonal screw rod 218 is rotated to drive the guide frame 215 through the circular plate 214, the guide frame 215 drives the pin head 217 to extend outward and insert into the insertion hole 222 through the guide groove 216, so that the installation assembly 22 is installed and fixed on the main body assembly 21, and the two end installation assemblies 22 are fixed with the two end flanges of the shaft generator rotor respectively;

[0042] Finally, the hoist lifts the balance beam 1 through the lifting rope cooperating with the lifting ring 5, and the balance beam 1 lifts the shaft generator rotor fixed therebetween through the two end fixing assemblies 2, and in the lifting process, the lifting force is converted into axial tension to prevent the shaft generator rotor from being bent due to two-point lifting.

[0043] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0044] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hoisting device for a shaft generator rotor of a large container ship, comprising a balance beam (1), characterized in that: The balance beam (1) is provided with a fixing assembly (2) and is used for hoisting the shaft generator rotor, the fixing assembly (2) comprises: The main body assembly (21) comprises a frame body (211) mounted at both ends of the balance beam (1), a fixed plate (212) fixed at the lower end of the frame body (211), a fixed seat (213) fixed in the fixed plate (212), a round plate (214) slidingly installed in the fixed seat (213), a guide frame (215) fixed at the front end of the round plate (214), four circumferentially distributed guide grooves (216) formed in the guide frame (215), a pin head (217) slidingly installed in the guide frame (215) through the guide grooves (216), and the pin head (217) is slidingly installed through the fixed seat (213), an internal hexagonal screw rod (218) is screwedly installed in the fixed seat (213), and the internal hexagonal screw rod (218) is rotatably installed at the front end of the round plate (214); The mounting assembly (22) comprises a mounting cylinder (221) mounted on the front end of the fixed seat (213), four insertion holes (222) circumferentially distributed on the mounting cylinder (221) and matched with the pin head (217), and a flange plate (223) fixed at the front end of the mounting cylinder (221). The adjusting assembly (23) is arranged on the balance beam (1) and is used for fixing the main body assembly (21).

2. A large container ship shaft generator rotor hoisting device according to claim 1, characterized in that: The mounting assembly (22) further comprises a plurality of waist-shaped holes (224) circumferentially distributed on the inner edge of the flange plate (223).

3. A large container ship shaft generator rotor hoisting device according to claim 1, characterized in that: The adjusting assembly (23) comprises a plurality of adjusting blocks (231) fixed at both ends of the top of the balance beam (1) at equal intervals, a fixing piece (232) mounted on the top of the frame body (211), and the fixing piece (232) is fixed with the adjusting blocks (231) through bolts.

4. A large container ship shaft generator rotor hoisting device according to claim 1, characterized in that: The top of the balance beam (1) is fixed with a perforated ring (4).

5. A large container ship shaft generator rotor hoisting device according to claim 1, characterized in that: The top of the balance beam (1) is fixed with a perforated ring (4).

6. A large container ship shaft generator rotor hoisting device according to claim 1, characterized in that: The top of the balance beam (1) is fixed with a perforated ring (4). The top of the balance beam (1) is fixed with a perforated ring (4).

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