High-precision compressor rotor hoisting tool

Abstract

The utility model relates to the technical field of lifting, and discloses a high-precision compressor rotor lifting tool which comprises a lifting hook and a compressor rotor, the bottom end of the lifting hook is arranged to be in a left-right symmetrical hook shape, and first lifting belts are fixedly connected to the hooks on the two sides of the bottom end of the lifting hook. The ends, away from the lifting hook, of the two first lifting belts are fixedly connected with lifting rods, the two ends of each lifting rod are movably sleeved with sleeves, transverse plates are welded to the bottoms of the two sleeves, transverse rods are arranged below the two transverse plates, and screw rods are arranged between the two ends of the two transverse rods and the two ends of the corresponding transverse plates; the compressor rotor hoisting device has the advantages that the compressor rotor hoisting device is simple in structure, good in stability when hoisting the compressor rotor, suitable for hoisting various compressor rotors with high installation accuracy requirements and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hoisting technical field, concretely is a kind of high-precision compressor rotor hoisting tool. BACKGROUND

[0002] Turbomachinery is a kind of power fluid machinery with blade, the common feature of turbomachinery is that the rotor equipped with blade rotates at high speed, when fluid (gas or liquid) flows through the passage between blades, force interaction between blade and fluid is generated, so as to realize energy conversion, and turbomachinery rotor is one of important components in turbomachine, with the need of large-scale turbomachinery equipment localization, the requirement of turbomachinery rotor installation precision is higher and higher, ordinary hoisting tool has influence on installation precision, turbomachinery rotor is prone to rotate in the process of hoisting, and it is inconvenient to hoist turbomachinery rotor of different size specifications, therefore, the application provides a kind of high-precision compressor rotor hoisting tool. CONTENT OF UTILITY MODEL

[0003] To solve the problems in the above background art, the utility model provides the following technical scheme: a kind of high-precision compressor rotor hoisting tool, including lifting hook and compressor rotor, the bottom of lifting hook is set to left-right symmetrical crook, first sling is fixedly connected on the crook of the both sides of the bottom of lifting hook, hoisting bar is fixedly connected at the end of two first slings away from lifting hook, sleeve pipe is movably sleeved at the both ends of hoisting bar, horizontal plate is welded at the bottom of two sleeve pipes, horizontal bar is arranged below two horizontal plates, screw rod is arranged between the both ends of two horizontal bars and the both ends of corresponding horizontal plate, second sling is fixedly connected between the both ends of each horizontal bar, two second slings are respectively sleeved at the both ends of compressor rotor.

[0004] Further, the top of the both ends of hoisting bar is provided with neat screw groove, screw hole is formed at the middle position of the top of two sleeve pipes, bolt is threadedly inserted in two screw holes, and the end of two bolts penetrating screw hole is respectively threadedly inserted in corresponding screw groove at the top of the both ends of hoisting bar.

[0005] Further, the both ends of the top of horizontal plate are provided with through hole, two screw rods are fixedly installed at the top of the both ends of horizontal bar, and the top of two screw rods is respectively inserted in the through hole at the both ends of horizontal plate, nut is threadedly sleeved at the top of two screw rods, and two nuts on each screw rod are respectively abutted at the top and bottom of horizontal plate.

[0006] Further, reinforcing plate is welded at the both sides of sleeve pipe, and the end of two reinforcing plates away from sleeve pipe is respectively welded at the top of the both ends of horizontal plate.

[0007] Further, the length of horizontal plate and horizontal bar below it is same, and horizontal plate and horizontal bar are in parallel state.

[0008] Further, two first lifting belts are fixedly connected at two ends of the top of the suspender respectively.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] When hoisting the compressor rotor, the stability is good, and by adjusting the positions of the sleeves at two ends of the suspender, the spacing between the two cross bars can be changed, so that the second lifting belts on the two cross bars can hoist the two ends of the turbine rotor of different size specifications, thereby making it suitable for hoisting compressor rotors with high installation precision requirements. BRIEF DESCRIPTION OF DRAWINGS

[0011] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0012] Figure 1 is a structural schematic view of the whole utility model;

[0013] Figure 2 is a structural schematic view of the connection between the suspender and the cross bar of the utility model;

[0014] Figure 3 is a structural schematic view of the connection between the sleeve and the cross bar of the utility model;

[0015] Figure 4 is a structural schematic view of the suspender of the utility model;

[0016] In the drawings: 1, hook; 2, first lifting belt; 3, suspender; 4, sleeve; 5, cross bar; 6, screw; 7, cross bar; 8, second lifting belt; 9, through hole; 10, nut; 11, reinforcing plate; 12, bolt; 13, screw groove; 14, compressor rotor. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0018] By Figures 1-4The utility model provides an utility model discloses a lifting device for compressor rotor, it includes lifting hook 1 and compressor rotor 14, the bottom end of lifting hook 1 is set to the hook shape of left and right symmetry, is fixedly connected with first sling 2 on the hook of the both sides of lifting hook 1 bottom end, is fixedly connected with lifting rod 3 on the one end of two first slings 2 away from lifting hook 1, the both ends of lifting rod 3 are movably sleeved with sleeve pipe 4, is welded with crosspiece 5 on the bottom of two sleeve pipes 4, is set with cross bar 7 below two crosspieces 5, is set with screw 6 between the both ends of two cross bars 7 and the both ends of corresponding crosspiece 5, is fixedly connected with second sling 8 between the both ends of each cross bar 7, two second slings 8 are respectively sleeved in the both ends of compressor rotor 14.

[0019] As Figure 2 And Figure 3 Shown, the top of the both ends of lifting rod 3 is set up with the screw groove 13 in alignment, the middle position of the top of two sleeve pipes 4 is set up with the screw hole, is screwed in with bolt 12 in two screw holes, the one end of two bolts 12 is screwed in in the corresponding screw groove 13 of the top of the both ends of lifting rod 3 respectively through the screw hole, by adjusting the position of sleeve pipe 4 at the both ends of lifting rod 3, then twist bolt 12 and make its bottom end insert in one of the screw groove 13 of the one end of lifting rod 3, can fixed sleeve pipe 4 at the adjusted position on lifting rod 3, further change the interval between two cross bars 7, so that the second sling 8 on two cross bars 7 can be lifted to the compressor rotor 14 of different size specifications.

[0020] As Figure 2 And Figure 3 Shown, the both ends of the top of crosspiece 5 are set up with through hole 9, two screw rods 6 are fixedly installed at the top of the both ends of cross bar 7 respectively, and the top of two screw rods 6 is inserted in the through hole 9 of the both ends of crosspiece 5 respectively, is screwed on the nut 10 of the top of two screw rods 6, the two nuts 10 on each screw rod 6 are respectively abutted on the top and bottom of crosspiece 5, through two screw rods 6, cross bar 7 can be installed below crosspiece 5.

[0021] As Figure 2 And Figure 3 Shown, the both sides of sleeve pipe 4 are welded with reinforcing plate 11, the one end of two reinforcing plates 11 away from sleeve pipe 4 is welded on the top of the both ends of crosspiece 5 respectively, through reinforcing plate 11, the stable degree of the connection of sleeve pipe 4 and crosspiece 5 can be increased.

[0022] As Figure 2 Shown, crosspiece 5 and the cross bar 7 below it are same in length, and crosspiece 5 and cross bar 7 are in parallel state, so that cross bar 7 can be stably installed below crosspiece 5.

[0023] As Figure 1 Shown, two first slings 2 are fixedly connected at the both ends of the top of lifting rod 3, so that two first slings 2 can stably lift lifting rod 3.

[0024] It is to 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.

[0025] While embodiments of the present application have been shown and described, it is to be understood that the application is not limited to the details of the embodiments described, since the scope of the application is defined with respect to the appended claims.

Claims

1. A high precision compressor rotor hoisting tool comprising a hoisting hook (1) and a compressor rotor (14), characterized in that: The bottom end of the lifting hook (1) is provided with a left-right symmetrical hook, and the two hooks on the bottom end of the lifting hook (1) are fixedly connected with first lifting belts (2), the ends of the two first lifting belts (2) away from the lifting hook (1) are fixedly connected with a lifting rod (3), the two ends of the lifting rod (3) are movably sleeved with sleeves (4), the bottoms of the two sleeves (4) are welded with horizontal plates (5), the bottoms of the two horizontal plates (5) are provided with horizontal rods (7), the two ends of the two horizontal rods (7) and the two ends of the corresponding horizontal plates (5) are provided with screw rods (6), the two ends of each horizontal rod (7) are fixedly connected with second lifting belts (8), and the two second lifting belts (8) are sleeved on the two ends of the compressor rotor (14).

2. A high precision compressor rotor hoisting tool according to claim 1, characterized in that: The top of the two ends of the lifting rod (3) is provided with a plurality of screw grooves (13) arranged in an orderly manner, the top of the two sleeves (4) is provided with a screw hole at the middle position, and the two screw holes are screwed with bolts (12).

3. A high precision compressor rotor hoisting tool according to claim 1, characterized in that: The two ends of the top of the horizontal plate (5) are provided with through holes (9), the two screw rods (6) are fixedly installed on the top of the two ends of the horizontal rod (7), and the top ends of the two screw rods (6) are inserted into the through holes (9) of the two ends of the horizontal plate (5), respectively, and the top ends of the two screw rods (6) are screwed with nuts (10), respectively.

4. A high precision compressor rotor hoisting tool as defined in claim 1, characterized in that: The two sides of the sleeve (4) are welded with reinforcing plates (11), and the ends of the two reinforcing plates (11) away from the sleeve (4) are welded on the top of the two ends of the horizontal plate (5).

5. A high precision compressor rotor hoisting tool as defined in claim 1, wherein: The horizontal plate (5) and the horizontal rod (7) below it are the same length, and the horizontal plate (5) and the horizontal rod (7) are in parallel state.

6. A high precision compressor rotor hoisting tool as defined in claim 1, wherein: The two first lifting belts (2) are fixedly connected with the two ends of the top of the lifting rod (3), respectively.

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