Steam turbine bearing bush dismounting lifting appliance

Abstract

The utility model relates to the technical field of lifting appliances, and discloses a steam turbine bearing bush dismounting lifting appliance which comprises a connecting seat, an adjusting cylinder is rotatably connected to the connecting seat, a sliding groove is formed in the adjusting cylinder, an auxiliary sliding block is slidably connected to the interior of the sliding groove, a reset spring is arranged on the side face of the auxiliary sliding block and located in the sliding groove, and the adjusting cylinder is rotatably connected to the connecting seat. A buzzer module is arranged in the connecting base, and an insulating block is arranged on the side face of the buzzer module. According to the steam turbine bearing bush disassembling lifting appliance, the adjusting cylinder is arranged to comprise the connecting steel cable, the size of the connecting steel cable ring below the connecting base can be manually adjusted through spiral convex marks, auxiliary sliding blocks and other structures in the adjusting cylinder, and therefore the steam turbine bearing bush disassembling lifting appliance is suitable for disassembling scenes of steam turbine bearing bushes of different sizes; and the connecting steel rope can be normally matched with the lifting machine to operate together, so that the purpose of using the lifting appliance is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lifting appliance technical field, concretely is a steam turbine bearing bush dismantling lifting appliance. BACKGROUND

[0002] Lifting appliance refers to the device of hoisting heavy objects in hoisting machinery. The most commonly used lifting appliance for lifting complete parts is lifting hook, lifting belt, and other lifting rings, hoisting suction cups, tongs and forks.

[0003] However, most of the lifting appliances for dismantling steam turbine bearing bushes cannot conveniently and quickly adjust the size of the lifting belt, resulting in the need to frequently replace the lifting appliance of the corresponding size when the steam turbine of different sizes is used, thereby increasing the overall disassembly process steps and reducing the overall work efficiency. Moreover, the steel cable near the connecting seat has a high friction frequency, but due to the visual obstruction of the connecting seat and the negligence of the workers, the steel cable cannot be timely discovered after being worn, thereby causing great safety hazards. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a steam turbine bearing bush dismantling lifting appliance, which solves the problems mentioned in the background.

[0005] The utility model provides the following technical scheme: a steam turbine bearing bush dismantling lifting appliance, comprising: a connecting seat, a adjusting cylinder is rotatably connected to the connecting seat, a sliding groove is formed in the inside of the adjusting cylinder, an auxiliary sliding block is slidably connected in the sliding groove, a reset spring is arranged on the side surface of the auxiliary sliding block and located in the sliding groove, a buzzer module is arranged in the inside of the connecting seat, an insulating block is arranged on the side surface of the buzzer module, an auxiliary air bag is fixedly installed on one side of the insulating block, and a conductive block is fixedly arranged on the other side of the insulating block, and an internal power supply is arranged on the upper surface of the conductive block.

[0006] Preferably, a connecting steel cable is arranged in the inside of the connecting seat, the connecting steel cable is in contact with the inner surface of the adjusting cylinder, and the end of the connecting steel cable is fixedly connected with the connecting seat.

[0007] Preferably, an air bag film is arranged on the surface of the auxiliary air bag, and the buzzer module and the connecting steel cable are slidably connected through the air bag film.

[0008] Preferably, a convex block is fixedly arranged on the surface of the auxiliary sliding block.

[0009] Preferably, a limiting block is fixedly installed on the side surface of the connecting seat, and the limiting block is made of rubber.

[0010] Preferably, the limiting block is located below the adjusting cylinder.

[0011] Preferably, a spiral convex mark is arranged on the inner surface of the adjusting cylinder.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、 this steam turbine bearing bush dismantles hoist, through setting up the adjusting tube includes the connecting steel cable, again using the helical convex mark and auxiliary sliding block etc. Structure in the adjusting tube, realize manual can adjust the size of the connecting steel cable ring below the connecting seat, to be applicable to different size steam turbine bearing bush dismantling scene, and under the action of reset spring, can ensure that the connecting steel cable can normally cooperate with the hoist to run together, to reach the purpose of using the hoist.

[0014] 2、 this steam turbine bearing bush dismantles hoist, through setting up this bee calling organ module structure in the connecting seat inside, make bee calling organ module internal structure can contact with the connecting steel cable, again under the mutual cooperation of bee calling organ module internal mechanism, can find the connecting steel cable surface wear condition in time, and remind staff, to avoid major safety accidents. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of the utility model;

[0016] Figure 2 It is the structure formal drawing of the utility model;

[0017] Figure 3 It is the adjusting tube structure perspective view of the utility model;

[0018] Figure 4 It is the bee calling organ module structure sectional view of the utility model.

[0019] In the drawing: 1, connecting seat;101, limit block;2, adjusting tube;201, auxiliary sliding block;20101, lug;202, reset spring;203, sliding slot;3, connecting steel cable;4, bee calling organ module;401, insulating block;402, conductive block;403, built-in power supply;404, auxiliary air bag;40401, air bag film. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with 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. 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 the utility model.

[0021] Please refer to Figures 1-4The utility model provides a steam turbine bearing bush dismantling lifting appliance, including: connecting seat 1, the rotating joint of adjusting cylinder 2 is connected on connecting seat 1, the inside of adjusting cylinder 2 is seted up with sliding slot 203, the inside sliding connection of sliding slot 203 has auxiliary sliding block 201, auxiliary sliding block 201 side is provided with reset spring 202, and reset spring 202 is located in the inside of sliding slot 203, the inside of connecting seat 1 is provided with buzzer module 4, the side of buzzer module 4 is provided with insulating block 401, one side of insulating block 401 is fixedly installed with auxiliary air bag 404, and the other side of insulating block 401 is fixedly provided with conducting block 402, and the built-in power supply 403 is seted up on conducting block 402, through the above-mentioned structure cooperation, to ensure that the designed structure can normally and stably operate.

[0022] Connecting steel cable 3 is arranged in the inside of connecting seat 1, the end of connecting steel cable 3 is fixedly connected with connecting seat 1, and the inner surface of adjusting cylinder 2 is provided with spiral indentation, which ensures that the length of connecting steel cable 3 will change due to the rotation of adjusting cylinder 2, establishes the practicability of the designed mechanism, and further improves the use efficiency of the whole device, the surface of auxiliary sliding block 201 is fixedly provided with protrusion 20101, the side of connecting seat 1 is fixedly installed with limiting block 101, and the limiting block 101 is made of rubber, the surface of auxiliary air bag 404 is provided with air bag film 40401, and the buzzer module 4 and the connecting steel cable 3 are slidably connected through the air bag film 40401, the existence of the air bag film 40401 can ensure that the auxiliary air bag 404 will not be broken due to the very small burr on the connecting steel cable 3, which further guarantees the practical performance of the whole device.

[0023] The working principle is that the size of the connecting steel cable 3 ring below the connecting seat 1 is adjusted, the adjusting cylinder 2 is held, the auxiliary sliding block 201 is slid to the center of the adjusting cylinder 2 through the sliding slot 203 by the protrusion 20101, at this time, the spiral indentation on the inner surface of the adjusting cylinder 2 and the auxiliary sliding block 201 is adjusted with the structure of the connecting steel cable 3, the adjusting cylinder 2 is rotationally connected with the connecting seat 1, and the connecting steel cable 3 is slidably connected with the connecting seat 1, at this time, the whole adjusting cylinder 2 structure is rotated, the size of the steel cable ring below the connecting seat 1 is increased, when the size is appropriate, the adjusting cylinder 2 is loosened, the auxiliary sliding block 201 is reset under the action of the reset spring 202, the connecting steel cable 3 loses the limitation of the adjusting cylinder 2, and the size of the ring is quickly reduced under the action of the force applied by the upper crane, and then the steam turbine is lifted, which is convenient for the steam turbine bearing bush dismantling work

[0024] And the whole buzzer module 4 is located in the connecting seat 1 inside and connecting cable 3 contact, auxiliary air bag 404 through air bag film 40401 with connecting cable 3 contact, when the surface of connecting cable 3 appears burr, will air bag film 40401 scratch, make auxiliary air bag 404 internal gas loss, cause auxiliary air bag 404 shape to be retracted, and one side of the insulating block 401 and the conductive block 402 structure slides to the direction of auxiliary air bag 404, the conductive block 402 will be in contact with the built-in power supply 403 and buzzer module 4, using the characteristics of the conductive block 402 itself, the buzzer module 4 will be started to emit sound, remind the staff connecting cable 3 there is wear and tear.

[0025] 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 hoist for removing a bearing shell from a steam turbine, characterized in that Include: The connecting seat (1), the adjusting cylinder (2) is rotatably connected on the connecting seat (1), the inside of the adjusting cylinder (2) is provided with the sliding slot (203), the inside of the sliding slot (203) is slidably connected with the auxiliary sliding block (201), the side of the auxiliary sliding block (201) is provided with the reset spring (202), and the reset spring (202) is located in the inside of the sliding slot (203), the inside of the connecting seat (1) is provided with the buzzer module (4), the side of the buzzer module (4) is provided with the insulating block (401), one side of the insulating block (401) is fixedly installed with the auxiliary air bag (404), and the other side of the insulating block (401) is fixedly provided with the conductive block (402), the upper of the conductive block (402) is provided with the built-in power supply (403).

2. A hoist for removing a bearing shell from a steam turbine as defined in claim 1, wherein The connecting seat (1) is provided with a connecting cable (3) inside, the connecting cable (3) is in contact with the inner surface of the adjusting cylinder (2), and the end of the connecting cable (3) is fixedly connected with the connecting seat (1).

3. A hoist for removing a bearing shell from a steam turbine as defined in claim 2, wherein The surface of the auxiliary air bag (404) is provided with an air bag film (40401), and the buzzer module (4) and the connecting cable (3) are slidably connected through the air bag film (40401).

4. A hoist for removing a bearing shell from a steam turbine as defined in claim 1, wherein The surface of the auxiliary sliding block (201) is fixedly provided with a convex block (20101).

5. A hoist for removing a bearing shell from a steam turbine as defined in claim 1, wherein The side of the connecting seat (1) is fixedly installed with a limiting block (101), and the limiting block (101) is made of rubber.

6. A hoist for removing a bearing shell from a steam turbine as defined in claim 5, wherein The limiting block (101) is located below the adjusting cylinder (2).

7. A hoist for removing a bearing shell from a steam turbine as defined in claim 1, wherein The inner surface of the adjusting cylinder (2) is provided with a spiral convex mark.

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