CN214735876U

CN214735876U - Reduced iron tunnel kiln unloading lifting trolley

Info

Publication number: CN214735876U
Application number: CN202121057617.9U
Authority: CN
Inventors: 陈正东; 陈泽林; 陈潇
Original assignee: Huanggang City Zhongji Kiln Co ltd
Current assignee: Huanggang City Zhongji Kiln Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-11-16
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses a reduced iron tunnel cave lift dolly of unloading, it has solved and has relied on artifical the unloading to have intensity of labour big, work efficiency is low, operational environment is abominable scheduling problem, its characterized in that: the trolley frame body is of a frame structure consisting of an upper cross beam (1), a lower cross beam (2) and stand columns (3), guide pulleys (4) are arranged at the upper positions and the lower positions of the stand columns (3) on the two sides, connecting pieces (6) for installing hydraulic oil cylinders (5) are evenly arranged below the upper cross beam (1), shaft sleeves (9) are arranged at the positions, corresponding to the oil cylinders, of the lower cross beam (2), the shaft sleeves (9) are inserted into assembly shafts (7) of discharging claws (8), and the tops of the assembly shafts (7) are connected with piston rods of the hydraulic oil cylinders (5) through joints (10). The automatic feeding device has the advantages of reasonable structure, safety in operation, low labor intensity, high working efficiency and the like, can provide comfortable production environment for production enterprises, and creates good economic benefits.

Description

Reduced iron tunnel kiln unloading lifting trolley

Technical Field

The utility model belongs to mechanical equipment especially relates to a reduced iron tunnel cave lift dolly of unloading.

Background

Since the advent of coal-based sponge iron tunnel kilns, due to the small scale and the low labor cost, the problems of over-high labor intensity, severe working environment and the like exist in the conventional manual ingot unloading process. With the continuous enlargement of the scale yield and the continuous rising of labor cost, the manual ingot unloading can not meet the production requirements of enterprises more and more. Therefore, a mechanical unloading mode in a relatively safe and comfortable environment is urgently needed, the labor intensity is reduced, and the labor is saved, so that the economic benefit of an enterprise is improved. With the rapid development of the reduced iron industry in China, mechanized loading and unloading become the inevitable choice of the reduced iron tunnel kiln.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lifting trolley for the production enterprise for unloading of the tunnel kiln of the reduced iron, which has reasonable structure, high degree of mechanization, small labor intensity, safety and reliability.

The technical scheme of the utility model is that: the automatic unloading device comprises an unloading mobile platform, a trolley frame body, pulleys, unloading claws and the like, wherein the trolley frame body is of a frame structure consisting of an upper cross beam, a lower cross beam and upright columns, guide pulleys are arranged at the upper and lower positions of the upright columns at two sides, the guide pulleys are arranged in guide slide rails of the unloading mobile platform, and the traction trolley is assembled through a rope pulley and ascends and descends. Connecting pieces for mounting the hydraulic oil cylinders are uniformly arranged below the upper cross beam. The lower cross beam is provided with a shaft sleeve corresponding to the oil cylinder, an assembling shaft of the discharging claw is inserted into the shaft sleeve, and the top of the assembling shaft is connected with a piston rod of the hydraulic oil cylinder through a joint. The assembling shaft is composed of a main shaft, a main shaft sleeve and a sleeve seat, wherein the upper part of the main shaft sleeve is inserted into the lower cross beam sleeve, the bottom of the main shaft sleeve is provided with a bearing for installing the main shaft, the top of the main shaft is hinged with a piston rod of a hydraulic oil cylinder through a joint, the lower end of the main shaft sleeve is provided with a conical tong head, the upper part of a discharging claw is hinged at the lower end of the main shaft sleeve, and the lower end of the discharging claw is tightly attached to the surface of the conical tong head.

The utility model has the advantages that: not only has reasonable structure and safe operation, but also has rapid and high-efficiency discharging, saves time and labor, and can create better economic benefit for enterprises by popularization and application.

The present invention will be further explained with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the device comprises an upper cross beam 1, a lower cross beam 2, a stand column 3, a guide pulley 4, a hydraulic oil cylinder 5, a connecting piece 6, an assembly shaft 7, a discharging claw 8, a shaft sleeve 9 and a joint 10.

Detailed Description

As shown in figure 1, the reduced iron tunnel kiln unloading lifting trolley comprises an unloading moving platform, a trolley frame body, pulleys, unloading claws and the like, wherein the trolley frame body is a frame structure consisting of an upper cross beam 1, a lower cross beam 2, upright columns 3 and the like, guide pulleys 4 are arranged at the upper and lower positions of the upright columns (3) at two sides, the guide pulleys 4 are arranged in guide slide rails of the unloading moving platform, and the traction trolley is assembled through a rope pulley and lifted up and down. Connecting pieces 6 for mounting the hydraulic oil cylinders 5 are uniformly arranged below the upper beam 1, shaft sleeves 9 are arranged at the positions, corresponding to the oil cylinders, of the lower beam 2, assembly shafts 7 of the unloading claws 8 penetrate through the shaft sleeves 9, and the tops of the assembly shafts 7 are connected with piston rods of the hydraulic oil cylinders 5 through connectors 10. The assembly shaft 7 is composed of a main shaft, a main shaft sleeve and a sleeve seat, wherein the upper part of the main shaft sleeve is inserted into a lower beam sleeve 9, the bottom of the main shaft sleeve is provided with a bearing for installing the main shaft, the top of the main shaft is hinged with a piston rod of a hydraulic oil cylinder 5 through a joint 10, the lower end of the main shaft is provided with a conical tong head, the upper part of a discharging claw 8 is hinged at the lower end of the main shaft sleeve, and the lower end of the discharging claw is tightly attached to the surface of the conical tong head. When the utility model is implemented, after the finished sponge iron of the tunnel kiln is taken out of the kiln together with a kiln car, the finished sponge iron reaches an unloading station after first dust absorption, the unloading station is positioned, a cart travelling mechanism of an unloading moving platform moves an unloading trolley above the kiln car and aligns the pot, the unloading claw 8 descends under the traction of the pulley assembly of the unloading trolley at the moment, the unloading claw stops when the finished sponge iron reaches half of the total height of the SiC pot, a hydraulic device is started again at the moment, the unloading claw 8 starts to open under the action of pressure, the maximum diameter of the opened unloading claw is 250 mm, the hydraulic pressure is 16MPa, the unloading claw 8 is clung to the inner wall of the sponge iron at the moment, then a lifting device is started to enable the sponge iron to rise along the wall of the SiC pot, the sponge iron cannot fall under the tension (the single-column tension of 200 kg), the unloading claw and the sponge iron rise through a lifting motor until the unloading claw and the sponge iron leave the top of the SiC pot by 100 mm-200 mm, but the sponge iron cannot release pressure can not be released, and the pressure can be kept constant so as to prevent the lifted sponge iron from falling, causing a hazard. After all the sponge iron columns are determined to completely leave the top of the SiC tank, a cart travelling mechanism of a mobile platform is started, the sponge iron columns hung under the cart reach a specified unloading position, the hydraulic oil cylinder 5 starts to relieve pressure after the sponge iron columns are in place, the sponge iron columns on the N columns fall to the specified unloading position by self weight, the process is a once unloading process, one kiln car passes through the process for N times, all the sponge iron on the kiln car is unloaded completely, then dust is collected for the second time, all the residual waste reducing agents in the SiC tank are extracted, and the unloading task of the kiln car is completed by the unloading car. Through years of practical experience and continuous improvement, the invention discloses a reduced iron tunnel kiln discharging lifting trolley, which is mainly characterized by a cart walking structure and a discharging trolley automatic lifting structure. The cart walking structure enables the unloading machinery to quickly reach the designated position on the silicon carbide tank of the kiln car, and after the materials are well butted, the unloading trolley mechanism is started, so that sponge iron ingots in the silicon carbide tank can be safely and quickly unloaded. The whole process is finished at one time, is fast and convenient, greatly improves the working efficiency and creates huge value for enterprises.

Claims

1. The utility model provides a reduced iron tunnel cave lift dolly of unloading, it includes the moving platform of unloading, dolly support body, pulley and the claw of unloading, its characterized in that: the trolley frame body is of a frame structure consisting of an upper cross beam (1), a lower cross beam (2) and stand columns (3), guide pulleys (4) are arranged at the upper positions and the lower positions of the stand columns (3) on the two sides, connecting pieces (6) for installing hydraulic oil cylinders (5) are evenly arranged below the upper cross beam (1), shaft sleeves (9) are arranged at the positions, corresponding to the oil cylinders, of the lower cross beam (2), the shaft sleeves (9) are inserted into assembly shafts (7) of discharging claws (8), and the tops of the assembly shafts (7) are connected with piston rods of the hydraulic oil cylinders (5) through joints (10).

2. The reduced iron tunnel kiln discharging lifting trolley according to claim 1, characterized in that: the guide pulley (4) is arranged in a guide slide rail of the discharging mobile platform and is assembled with the traction trolley through the rope pulley to lift up and down.

3. The reduced iron tunnel kiln discharging lifting trolley according to claim 1 or 2, characterized in that: the assembling shaft (7) is composed of a main shaft, a main shaft sleeve and a sleeve seat, the upper portion of the main shaft sleeve is inserted into the lower cross beam shaft sleeve (9), the bottom of the main shaft sleeve is provided with a bearing for installing the main shaft, the top of the main shaft is hinged with a piston rod of the hydraulic oil cylinder (5) through a joint (10), the lower end of the main shaft sleeve is provided with a conical tong head, the upper portion of the discharging claw (8) is hinged to the lower end of the main shaft sleeve, and the lower end of the discharging claw is tightly attached to the surface 2 of the conical tong head.