CN214989722U

CN214989722U - Axle box spring lifting device

Info

Publication number: CN214989722U
Application number: CN202022958221.3U
Authority: CN
Inventors: 冯俊海; 赵强; 王博; 宫良钦
Original assignee: Baotou Iron and Steel Group Co Ltd
Current assignee: Baotou Iron and Steel Group Co Ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-12-03
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a shaft box spring hoisting tool, which comprises a hoisting ring, a screw rod, a handle, a locking nut, a middle plate, a clamping plate articulated shaft, a screw rod articulated shaft, a middle plate articulated shaft, a clamping plate hook and a pull rod; the utility model has the advantages of simple structure, simple operation, low manufacturing cost and novel design, and effectively reduces the labor intensity of field operators; the working efficiency is greatly improved, the safety of field operators is improved, the maintenance cost is reduced, and the applicability is good.

Description

Axle box spring lifting device

Technical Field

The utility model discloses the product relates to mechanical technical field, relates to an axle box spring lifting device.

Background

At present, when overhauing telex frame, the bogie needs to disintegrate and overhauls, every epaxial 4 group axle box springs that have of six telex, every locomotive has 24 group axle box springs, the weight of every group spring is about 80 kilograms, the spring needs the location to install the axle box both sides when disassembling, overhaul and dismantling and repacking at every turn, current maintenance process operation is being lifted the counterpoint by two maintenance operating personnel manpower, install, high in labor strength, poor to field operation personnel security, and manual installation location precision is poor, cause axle box spring's maintenance rework rate high, and is inefficient. Therefore, a lifting tool needs to be designed, and the positioning and installation of the spring group can be conveniently and safely realized.

Therefore, the technical personnel in the field are dedicated to developing a shaft box spring hoisting tool, and the purpose of the tool is to solve the problem of defects existing in the process of overhauling the frame of the conventional telex.

SUMMERY OF THE UTILITY MODEL

In view of prior art's above-mentioned defect, the utility model aims to solve the technical problem that when current telex frame overhauls, maintainer work is powerful, and the security is poor, and the counterpoint inaccuracy causes inefficiency, defect problem that the rework rate is high.

In order to achieve the purpose, the utility model provides a shaft box spring hoisting tool, which comprises a hoisting ring, a screw rod, a handle, a locking nut, a middle plate, a clamping plate articulated shaft, a screw rod articulated shaft, a middle plate articulated shaft, a clamping plate hook and a pull rod;

the lifting ring is positioned at the top end of the screw rod and is fixedly connected with the top end of the screw rod; the lower end of the screw rod is fixedly connected with a support of a screw rod articulated shaft; the locking nut is positioned outside the screw rod and meshed with the screw rod through teeth, and the locking nut moves up and down along the screw rod; the handle is fixedly connected to the outer wall of the upper part of the locking nut, and the left part and the right part of the lower part of the locking nut are fixedly connected with one end of the middle plate respectively; the other end of the middle plate is respectively and fixedly connected with a support of a middle plate hinge shaft; the left side and the right side of the lead screw articulated shaft are respectively connected with one end of a pull rod, and the other end of the pull rod is connected with a splint articulated shaft; the clamping plate is hook-shaped, the upper end of the clamping plate is connected with the hinged shaft of the middle plate, the middle of the clamping plate is fixedly connected with the support of the hinged shaft of the clamping plate, and the lower end of the clamping plate comprises an inward clamping plate hook;

further, the fixed connection is welding;

in a preferred embodiment of the present invention, the clamping plate hinge shaft, the lead screw hinge shaft, and the middle plate hinge shaft are standard members;

scheme more than adopting, the utility model discloses an axle box spring lifting device has following technological effect:

1. the utility model discloses an axle box spring lifting device drives locking screw through the twist grip and reciprocates, and the lead screw articulated shaft reciprocates, drives the upwards skew of pull rod to drive splint to tighten up inwards or expand outwards, and the corresponding clamp of splint couple is tight or is loosened the spring holder, realizes axle box spring's hoist and mount or dismantlement; the mechanical disassembly, overhaul, disassembly and repacking of the shaft box spring during overhaul of the conventional frame of the telex are realized, the labor intensity of field operators is greatly reduced, the safety is high, the overhaul work efficiency is improved, and the alignment is accurate during hoisting;

2. the utility model discloses an axle box spring lifting device, simple structure, convenient dismouting, simple easy operation, labour saving and time saving has reduced the maintenance cost; the disassembly device can be used for disassembling and assembling the axle box springs of different types of electric motor car frames; the practicability is good;

in summary, the axle box spring hoisting tool has the advantages of simple structure, simple and convenient operation, low manufacturing cost and novel design, and effectively reduces the labor intensity of field operators; the working efficiency is greatly improved, the safety of field operators is improved, the maintenance cost is reduced, and the applicability is good.

The conception, specific structure and technical effects of the present invention will be further described with reference to the accompanying drawings and specific embodiments, so as to fully understand the objects, features and effects of the present invention.

Drawings

Fig. 1 is a schematic structural view of the axle box spring lifting tool of the present invention;

in the figure, 1, a hanging ring; 2. a screw rod; 3. a handle; 4. locking a nut; 5. a middle plate; 6. a splint; 7. a splint hinge shaft; 8. a lead screw hinged shaft; 9. a middle plate hinge shaft; 10. the clamp plate is hooked; 11. a pull rod.

Detailed Description

The embodiments of the present invention will be described with reference to the accompanying drawings for clarity and understanding. The present invention may be embodied in many different forms of embodiments, and the scope of the invention is not limited to the embodiments described herein.

In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.

As shown in fig. 1, the axle box spring lifting tool of the present invention comprises a lifting ring 1, a lead screw 2, a handle 3, a locking nut 4, an intermediate plate 5, a clamping plate 6, a clamping plate hinge shaft 7, a lead screw hinge shaft 8, an intermediate plate hinge shaft 9, a clamping plate hook 10 and a pull rod 11; the hanging ring 1 is positioned at the top end of the screw rod 2 and is welded with the top end of the screw rod 2; the lower end of the screw rod 2 is welded with a support of a screw rod articulated shaft 8; the locking nut 4 is positioned outside the screw rod 2 and meshed with the screw rod 2 through teeth, and the locking nut 4 moves up and down along the screw rod 2; the handle 3 is welded on the outer wall of the upper part of the locking nut 4, and the left and right parts of the lower part of the locking nut 4 are respectively welded with one end of the middle plate 5; the other ends of the middle plates 5 are respectively welded with the supports of middle plate hinge shafts 9; the left side and the right side of the lead screw articulated shaft 8 are respectively connected with one end of a pull rod 11, and the other end of the pull rod 11 is connected with the splint articulated shaft 7; the clamp plate 6 is in a hook shape, the upper end of the clamp plate 6 is connected with a middle plate hinge shaft 9, the middle of the clamp plate 6 is welded with a support of a clamp plate hinge shaft 7, and the lower end of the clamp plate 6 comprises an inward clamp plate hook 10;

in the present embodiment, the splint hinge shaft 7, the lead screw hinge shaft 8, and the intermediate plate hinge shaft 9 are standard members;

when the axle box spring is hoisted, the hoisting ring 1 of the axle box spring hoisting tool is connected with an overhead crane in a hanging manner, the overhead crane hoists the whole tool and enables the clamp plate hook 10 to be contacted with the bottom surfaces of lugs on two sides of a spring seat of an axle box spring group, an operator rotates the handle 3 clockwise to drive the locking nut 4 to rotate, the screw rod 2 enables the rotating action of the handle 3 to be converted into the downward linear action of the locking nut 4 through the screw rod nut structure, the screw rod articulated shaft 8 moves downwards to drive the pull rod 11 to deflect upwards, and meanwhile, the clamp plate 6 is driven to tighten inwards through the clamp plate articulated shaft 7, and the clamp plate hook 10 tightens up the spring seat to finish hoisting alignment;

dismantle axle box spring during operation, operating personnel anticlockwise rotation handle 3 drives locking screw 4 rotatory, and lead screw 2 makes handle 3 rotary motion change into locking screw 4 straight line action upwards through lead screw structure, and lead screw articulated shaft 8 upwards moves, drives pull rod 11 skew downwards, drives splint 6 outwards expansion through splint articulated shaft 7 simultaneously, and splint couple 10 just relaxs and loosens the spring holder and break away from the spring holder.

Through in-service use, used the utility model discloses an axle box spring lifting device, to the axle box spring's of the telex frame of different models dismouting of disintegrating, the counterpoint is accurate quick, whole process operation labour saving and time saving, the incident does not appear.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The shaft box spring hoisting tool is characterized by comprising a hoisting ring (1), a screw rod (2), a handle (3), a locking nut (4), an intermediate plate (5), a clamping plate (6), a clamping plate articulated shaft (7), a screw rod articulated shaft (8), an intermediate plate articulated shaft (9), a clamping plate hook (10) and a pull rod (11);

the lifting ring (1) is positioned at the top end of the screw rod (2) and is fixedly connected with the top end of the screw rod (2); the lower end of the screw rod (2) is fixedly connected with a support of a screw rod articulated shaft (8); the locking nut (4) is positioned outside the screw rod (2) and meshed with the screw rod (2) through teeth, and the locking nut (4) moves up and down along the screw rod (2); the handle (3) is fixedly connected to the outer wall of the upper part of the locking nut (4), and the left and right parts of the lower part of the locking nut (4) are fixedly connected with one end of the middle plate (5) respectively; the other end of the middle plate (5) is respectively and fixedly connected with a support of a middle plate hinge shaft (9); the left side and the right side of the lead screw articulated shaft (8) are respectively connected with one end of a pull rod (11), and the other end of the pull rod (11) is connected with a splint articulated shaft (7); splint (6) are the hook type, and splint (6) upper end is connected with intermediate lamella articulated shaft (9), and splint (6) centre and the support fixed connection of splint articulated shaft (7), splint (6) lower extreme include inside splint couple (10).

2. Axle box spring lifting tool according to claim 1,

the fixed connection is welding.

3. Axle box spring lifting tool according to claim 1,

the clamping plate articulated shaft (7), the lead screw articulated shaft (8) and the middle plate articulated shaft (9) are standard parts.