Auxiliary replacement device for upper cover of speed reducer

Abstract

The utility model belongs to the technical field of speed reducer upper cover uncovering, in particular to an auxiliary replacing device for a speed reducer upper cover, and aims to solve the problems of long maintenance time and high labor intensity in the background technology, the following scheme is provided: the auxiliary replacing device comprises an arch-shaped bracket, a central plate is welded on the outer wall of the top of the arch-shaped bracket, and a center hanging hole is formed in the central plate. The hole is formed in the center point of the top of the arch-shaped support and serves as the center of a lifting point on the upper side of the support, the speed reducer upper cover can be rapidly opened by lifting the center plate through a monorail crane, labor intensity of opening the speed reducer upper cover is reduced, operation time is saved, operation difficulty is lowered, and unsafe factors are eliminated. The lifting rods and the hinge plates are arranged on the two sides of the interior of the arch-shaped support, the lifting rods and the hinge plates can adjust the positions of lifting points according to the position distance of the two lifting points of the speed reducer upper cover so as to adapt to the speed reducer upper covers with different center distances, and assembling is easy, convenient and practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of uncovering speed reducer upper cover and especially relates to a speed reducer upper cover auxiliary replacement device. BACKGROUND

[0002] The casting crane is important hoisting equipment in metallurgical enterprises, and is mainly used for hoisting molten liquid steel (iron) water tank, but when the speed reducer gear shaft is replaced during the maintenance of the casting crane, the speed reducer upper cover is large and heavy, and it is difficult to open, which is inconvenient, so that the replacement of the gear shaft is delayed and the production is affected.

[0003] During each maintenance, inverted chain and steel rope tools are used, and the position where parking is needed or the position where the inverted chain is hung is welded and reinforced, the speed reducer upper cover is pulled up by using the inverted chain, sometimes the speed reducer upper cover cannot be pulled up, the speed reducer upper cover cannot be opened, the maintenance time is long, the progress of the crane maintenance is affected, the labor intensity of the maintenance personnel is large, and safety accidents are prone to occur. UTILITY MODEL CONTENTS

[0004] In view of the defects of the prior art, the utility model provides a speed reducer upper cover auxiliary replacement device, which overcomes the defects of the prior art and effectively solves the problems of long maintenance time and large labor intensity.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A speed reducer upper cover auxiliary replacement device, comprising a bow-shaped support, a center plate is welded on the top outer wall of the bow-shaped support, and a lifting hole is arranged in the center plate;

[0007] Symmetrical lifting rods are slidably connected to the inner wall of the bow-shaped support, a hinge plate is rotatably connected to the outer wall of one end of the lifting rod, a shaft pin is arranged on the inner wall of the hinge plate, and symmetrical reinforcing rods are welded between the center plate and the bow-shaped support.

[0008] Preferably, an arc-shaped plate is arranged on the top outer wall of the bow-shaped support, and the reinforcing rods are welded between the center plate and the arc-shaped plate.

[0009] Preferably, arc-shaped grooves are arranged on the outer walls of the two sides of the bow-shaped support, guide columns are arranged on the outer walls of the other ends of the lifting rods, and the guide columns are slidably connected to the inner walls of the arc-shaped grooves.

[0010] Preferably, a track is arranged in the bow-shaped support, and the other ends of the lifting rods are arranged in the track.

[0011] Preferably, adjusting holes are arranged on the outer wall of the hinge plate, and the shaft pin is slidably connected to the inner wall of the adjusting hole.

[0012] Preferably, the bow-shaped support is provided with a speed reducer upper cover.

[0013] Preferably, the top outer wall of the reducer upper cover is welded with symmetrically distributed connecting seats, and the top outer wall of the connecting seat is welded with a lifting ring, and a shaft pin is arranged in the interior of the lifting ring.

[0014] The utility model discloses beneficial effect is:

[0015] 1, the auxiliary replacement device of the reducer upper cover of this design, the hole is opened in the top center point position of the arc support, as the lifting point center of the support upside, the center plate can be quickly opened up the reducer upper cover through the monorail crane, reduces the labor intensity of opening the reducer upper cover, saves the operation time, reduces the operation difficulty, eliminates the unsafe factor;

[0016] 2, the auxiliary replacement device of the reducer upper cover of this design, the both sides in the arc support are provided with the lifting lever and the hinge plate, and the lifting lever and the hinge plate can adjust the lifting point position according to the position distance of the two lifting points of the reducer upper cover, so as to adapt to the reducer upper cover with different center distance, and the device is simple, convenient and practical to assemble. DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the auxiliary replacement device of the reducer upper cover proposed in the utility model;

[0018] Figure 2 It is a three-dimensional schematic view of the arc support connecting structure of the auxiliary replacement device of the reducer upper cover proposed in the utility model;

[0019] Figure 3 It is a side view of the arc support connecting structure of the auxiliary replacement device of the reducer upper cover proposed in the utility model;

[0020] Figure 4 It is a split structure schematic view of the lifting lever and the hinge plate of the auxiliary replacement device of the reducer upper cover proposed in the utility model.

[0021] In the drawing: 1, arc support;2, center plate;3, lifting hole;4, lifting lever;5, hinge plate;6, shaft pin;7, arc plate;8, reinforcing rod;9, arc groove;10, track;11, adjusting hole;12, reducer upper cover;13, connecting seat;14, lifting ring. DETAILED DESCRIPTION

[0022] 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, not all the embodiments.

[0023] Embodiment one, refer to Figures 1-2The utility model provides an auxiliary replacement device for a speed reducer upper cover, comprising an arc support 1, a center plate 2 is welded on the top outer wall of the arc support 1, and a lifting hole 3 is arranged in the center plate 2.

[0024] In the embodiment, a hole is opened at the top center point of the arc support 1 as the lifting point center of the upper side of the support, and the center plate 2 can be quickly lifted by a monorail crane, so that the labor intensity of opening the speed reducer upper cover 12 is reduced, the operation time is saved, the operation difficulty is reduced, and the unsafe factors are eliminated.

[0025] Embodiment two, refer to Figure 2 With Figure 4 An auxiliary replacement device for a speed reducer upper cover, the arc support 1 is slidably connected with symmetrically distributed lifting rods 4, one end of the lifting rod 4 is rotatably connected with a hinge plate 5, the hinge plate 5 is internally provided with a shaft pin 6, and symmetrically distributed reinforcing rods 8 are welded between the center plate 2 and the arc support 1.

[0026] In the embodiment, the lifting rod 4 and the hinge plate 5 are arranged on both sides of the arc support 1, the lifting rod 4 and the hinge plate 5 can adjust the lifting point position according to the position distance of the two lifting points of the speed reducer upper cover 12, so as to adapt to the speed reducer upper cover 12 with different center distances, and the device is simple, convenient and practical to assemble.

[0027] Refer to Figure 2 The arc support 1 is provided with an arc plate 7 on the top outer wall, and the reinforcing rod 8 is welded between the center plate 2 and the arc plate 7.

[0028] Refer to Figures 1-2 Arc-shaped grooves 9 are formed on the outer walls of both sides of the arc support 1, and guide columns are arranged on the other end of the lifting rod 4 and slidably connected with the inner walls of the arc-shaped grooves 9.

[0029] Refer to Figures 3-4 The arc support 1 is internally provided with a track 10, and the other end of the lifting rod 4 is arranged in the track 10.

[0030] Refer to Figure 4 Adjusting holes 11 are formed on the outer wall of the hinge plate 5, and the shaft pin 6 is slidably connected with the inner wall of the adjusting hole 11.

[0031] Refer to Figure 1 The arc support 1 is provided with a speed reducer upper cover 12 at the bottom.

[0032] Refer to Figure 1 With Figure 4 Symmetrically distributed connecting seats 13 are welded on the top outer wall of the speed reducer upper cover 12, the top outer wall of the connecting seat 13 is welded with lifting rings 14, and the shaft pin 6 is arranged in the lifting ring 14.

[0033] Working principle: first, the bow-shaped support 1 is hung above the speed reducer, the speed reducer side cover and the corresponding bolt are removed, the hinge plate 5 on the lower side of the lifting rod 4 is connected with the lifting ring 14 of the upper cover 12 of the speed reducer, the lifting middle hole 3 above the bow-shaped support 1 is hung by the monorail, which is convenient for the overall balance of the upper cover to be lifted, the stable nails and bolts of the speed reducer are removed, the bow-shaped support 1 is lifted by the monorail, and the whole is stably lifted, so that the weight deviation does not cause the inclination of one side;

[0034] The tooth shaft inside the speed reducer is replaced, the upper cover 12 of the speed reducer is stably aligned and hung back by the bow-shaped support 1, the stable nails are hit, the bolts are tightly fastened, the on-site trial run is carried out, the support is removed, finally, the tools are arranged, the support is removed, and the site is cleaned and arranged.

[0035] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A speed reducer cover auxiliary replacement device, comprising an arc-shaped bracket (1), characterized in that, The top outer wall of the bow-shaped bracket (1) is welded with a center plate (2), and the center plate (2) is provided with a lifting hole (3). The inner wall of the bow-shaped bracket (1) is slidably connected with symmetrically distributed lifting rods (4), and one end of the lifting rod (4) is rotatably connected with a hinge plate (5). The inner wall of the hinge plate (5) is equipped with a shaft pin (6), and symmetrically distributed reinforcing rods (8) are welded between the center plate (2) and the bow-shaped bracket (1).

2. The auxiliary replacement device for a speed reducer cover according to claim 1, characterized in that, The top outer wall of the bow-shaped bracket (1) is provided with an arc plate (7), and the reinforcing rod (8) is welded between the center plate (2) and the arc plate (7).

3. The auxiliary replacement device for a speed reducer cover according to claim 1, characterized in that, The outer walls of both sides of the bow-shaped bracket (1) are provided with arc-shaped grooves (9), and the outer wall of the other end of the lifting rod (4) is provided with a guide post, which is slidably connected to the inner wall of the arc-shaped groove (9).

4. The auxiliary replacement device for a speed reducer cover according to claim 1, characterized in that, The bow-shaped bracket (1) has a track (10) inside, and the other end of the lifting rod (4) is located inside the track (10).

5. The auxiliary replacement device for a speed reducer cover according to claim 1, characterized in that, The hinge plate (5) has an adjustment hole (11) on its outer wall, and the shaft pin (6) is slidably connected to the inner wall of the adjustment hole (11).

6. The auxiliary replacement device for a speed reducer cover according to claim 1, characterized in that, The bow-shaped bracket (1) is provided with a speed reducer cover (12) at its bottom.

7. The gearbox cover auxiliary replacement device according to claim 6, characterized in that, The reducer cover (12) has symmetrically distributed connecting seats (13) welded to the top outer wall, and the connecting seat (13) has a lifting ring (14) welded to the top outer wall, and the shaft pin (6) is located inside the lifting ring (14).

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