CN217438222U

CN217438222U - Feeding belt aircraft nose hopper structure under blast furnace groove

Info

Publication number: CN217438222U
Application number: CN202221566293.6U
Authority: CN
Inventors: 曾召福; 秦鸿; 李利; 喻红发
Original assignee: Baowu Group Echeng Iron and Steel Co Ltd
Current assignee: Baowu Group Echeng Iron and Steel Co Ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-09-16
Anticipated expiration: 2032-06-22

Abstract

The utility model relates to a feeding belt machine head blanking hopper structure under a blast furnace groove, which is provided with a blanking hopper shell, wherein the inside of the blanking hopper shell is transversely provided with a through shaft in a penetrating way, and two ends of the through shaft are respectively provided with a sleeve shaft sealing device outside the blanking hopper shell; a movable baffle is fixedly connected to the through shaft at the inner section of the lower hopper shell, the movable baffle rotates along with the through shaft, a plurality of material receiving plates are arranged on the surface of the movable baffle from top to bottom, the material receiving plates are arranged at intervals from top to bottom, and all the material receiving plates are arranged opposite to the side of the blanking roller; the utility model discloses a structural mounting uses the back, has slowed down the wearing and tearing of hopper down greatly, has prolonged the inside welt life of hopper more than 2 months down, uses one month from original and just needs the maintenance to change and use more than 3 to 4 months now, and the structure itself uses 3 months wearing and tearing volume still less, and holistic in-service use effect is outstanding, has fine actual spreading value.

Description

Feeding belt aircraft nose hopper structure under blast furnace groove

Technical Field

The utility model belongs to the technical field of automatic feed system equipment technique and specifically relates to a hopper structure under feeding belt aircraft nose under blast furnace groove.

Background

At the position of a discharging hopper of a feeding belt machine head under a blast furnace groove, the discharging hopper is usually made of a steel plate, a lining plate is arranged in the discharging hopper, the service cycle of the discharging hopper is not long due to continuous impact of raw materials, the lining plate is sequentially and frequently required to be repaired and replaced, necessary welding repair is carried out on furnace top material pressing in daily production to prolong the service cycle, and large pressure is brought to production.

When the feeding belt carries materials, the impact wear of the blanking of the machine head to the lining plate of the blanking hopper is large, the service cycle of the lining plate is short, the furnace top material pressing of the material driving line in the furnace is often needed in daily production to weld and repair the lining plate of the blanking hopper, the production is passive, the workload and the operation danger degree of operation and maintenance personnel are increased, the procedure of stopping or starting the feeding belt each time is long, and the production of the blast furnace is seriously influenced.

Disclosure of Invention

The utility model aims at the above circumstances, provide a hopper structure under feed belt aircraft nose under blast furnace groove, this hopper structure under feed belt aircraft nose is the improvement of going on original hopper structure basis down, has effectively slowed down the wearing and tearing of inside welt, has prolonged its life cycle, provides the assurance for blast furnace production.

The utility model has the following concrete scheme: a feeding belt machine head feeding hopper structure under a blast furnace groove is provided with a feeding hopper shell, wherein a through shaft transversely penetrates through the inner part of the feeding hopper shell, two ends of the through shaft outwards penetrate out of two sides of the feeding hopper shell and are supported and installed through a bearing seat, and two sleeve shaft sealing devices are respectively arranged at two ends of the through shaft, which are positioned outside the feeding hopper shell; the material receiving device is characterized in that a movable baffle is fixedly connected to the inner section of the lower hopper shell on the through shaft and rotates along with the through shaft, a plurality of material receiving plates are arranged on the surface of the movable baffle from top to bottom and are arranged at intervals from top to bottom, and all the material receiving plates are arranged opposite to the side of the discharging roller.

Further, in the utility model discloses in adjustable fender is made by the NM500 steel sheet, all connect the flitch all to weld on adjustable fender's lateral wall according to 45 ~ 60 angle of inclination, connect the board width 100mm board thickness 16mm of flitch.

Further, the utility model discloses well adjacent two connect the flitch between the vertical interval be 120 ~ 150 mm.

Further, the utility model discloses in shaft seal device is including packing section of thick bamboo, graphite packing, gland and tie bolt, wherein packing section of thick bamboo welding dress is on the outer wall of hopper casing down, the axle passes from the axle core of packing section of thick bamboo of leading to, the dress is closely worn in packing section of thick bamboo to the graphite packing dress lead to epaxially, the tie bolt welding is on the outer wall of the lower hopper casing of both sides about packing section of thick bamboo, be equipped with the boss on the gland, the boss roof pressure is lived the lateral part of graphite packing, the gland is worn the dress simultaneously and is locked on two tie bolts and with lock nut.

Furthermore, in the present invention, the number of the graphite packing is three.

The utility model discloses a structural mounting uses the back, has slowed down the wearing and tearing of hopper down greatly, has prolonged the inside welt life of hopper more than 2 months down, uses one month from original and just needs the maintenance to change and use more than 3 to 4 months now, and the structure itself uses 3 months wearing and tearing volume still less, and holistic in-service use effect is outstanding, has fine actual spreading value.

Drawings

Fig. 1 is a schematic view of the overall structure of the main viewing direction of the present invention;

FIG. 2 is a schematic view of the connection structure of the movable baffle, the through shaft and the shaft sealing device of the present invention;

fig. 3 is a side view direction structure schematic diagram of the middle adjustable baffle and the material receiving plate of the utility model.

In the figure: the device comprises a conveying belt, a movable baffle plate, a material receiving plate, a hopper shell, a raw fuel feeding roller, a bearing seat, a gland, a graphite packing, a locking nut, a packing barrel, a boss, a shaft and a tension bolt, wherein the conveying belt is 1, the movable baffle plate is 2, the material receiving plate is 3, the hopper shell is 4, the raw fuel is 5, the graphite packing is 6, the bearing seat is 7, the gland is 8, the graphite packing is 9, the locking nut is 10, the packing barrel is 11, the boss is 12, the shaft is 13, and the tension bolt is 14.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships usually placed when the utility model is used, and are only for the convenience of describing the utility model or simplifying the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed or operated in a specific direction, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect through an intermediate medium, and the connection may be internal to the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the utility model relates to a feeding hopper structure of a feeding belt machine head under a blast furnace trough, which comprises a feeding hopper shell 4, wherein a through shaft 13 transversely penetrates through the feeding hopper shell, two ends of the through shaft penetrate out from two sides of the feeding hopper shell and are supported and installed through a bearing seat 7, and two ends of the through shaft are respectively provided with a sleeve shaft sealing device outside the feeding hopper shell; a movable baffle 2 is fixedly connected to the inner section of the lower hopper shell on the through shaft and rotates along with the through shaft 13, a plurality of material receiving plates 3 are arranged on the surface of the movable baffle from top to bottom and are arranged at intervals from top to bottom, and all the material receiving plates are arranged opposite to the side of the discharging roller 6.

Further, in this embodiment, the movable baffle is made of NM500 steel plate, all the material receiving plates are welded on the side wall of the movable baffle according to the inclination angle of 45 ° to 60 °, and the plate width of the material receiving plate is 100mm and the plate thickness is 16 mm.

Furthermore, the vertical distance between two adjacent material receiving plates in the embodiment is 120-150 mm.

Further, in this embodiment the shaft sealing device includes a packing section of thick bamboo 11, graphite packing 9, gland 8 and tie bolt 14, wherein a packing section of thick bamboo welding dress is on the outer wall of hopper casing down, lead to the axle and pass through from the axle core of packing section of thick bamboo, graphite packing dress is in a packing section of thick bamboo and closely wear the dress and lead to epaxially, tie bolt welding is on the outer wall of the lower hopper casing of packing section of thick bamboo upper and lower both sides, be equipped with boss 12 on the gland, the lateral part of boss roof pressure graphite packing, the gland is worn to adorn simultaneously on two tie bolts and is locked with lock nut 10.

Further, in this embodiment, the number of the graphite packing sets is three.

By summarizing the blanking position and the long-term abrasion condition of the on-site material flow, the utility model designs a device for reducing the impact of the material flow, wherein a through shaft is designed and fixed through a bearing seat, the bearing seat is an outer spherical surface sealing bearing seat, the main body of the structure of the utility model is a movable baffle plate made of wear-resistant material NM500 steel plate with the thickness of 16mm, a material receiving plate is welded on the movable baffle plate according to the angle of 45-60 degrees and is arranged according to the width of 100mm and the thickness of 16mm, the vertical distance is controlled within the range of 120-150 mm, the material receiving plate can store a certain amount of raw fuel 5 (mainly coke, sintering ore, green ore, pellet and the like), the main size of the particle diameter of the material flow is between 10mm and 75mm, the material is easy to accumulate inside the material receiving plate, a material accumulation layer is formed, new material accumulation is continuously formed in the process of impacting the material flow at the upper part, the abrasion of the material receiving plate is reduced, and the movable baffle plate is a movable part, the material flow impact process can generate backward small displacement buffering, the upper material flow hits the movable baffle and the material receiving plate to unload force and then falls onto the inner lining plate of the blanking hopper, and impact and abrasion are reduced simultaneously, so that the service life of the inner lining plate of the blanking hopper is prolonged. The adjustable fender installs through leading to the axle and the clearance between the lower hopper upper portion casing, and the clearance position runs the ash easily and emits the ash, adopts packing seal box pattern when the axle is led to in the installation, and sealing material adopts 10x10mm graphite packing 3 rings, and graphite packing utilizes the gland to compress tightly sealed, can effectively prevent that the dust of unloading in-process is excessive.

Claims

1. Hopper structure under feed belt aircraft nose under blast furnace groove has hopper casing down, its characterized in that: a through shaft transversely penetrates through the interior of the blanking hopper shell, two ends of the through shaft penetrate out of two sides of the blanking hopper shell and are supported and mounted through a bearing seat, and two shaft sealing devices are respectively arranged at two ends of the through shaft and positioned outside the blanking hopper shell; the material receiving device is characterized in that a movable baffle is fixedly connected to the inner section of the lower hopper shell on the through shaft and rotates along with the through shaft, a plurality of material receiving plates are arranged on the surface of the movable baffle from top to bottom and are arranged at intervals from top to bottom, and all the material receiving plates are arranged opposite to the side of the discharging roller.

2. The blast furnace trough lower feeding belt machine head lower hopper structure according to claim 1, characterized in that: the movable baffle plate is made of an NM500 steel plate, all the material receiving plates are welded on the side wall of the movable baffle plate according to an inclined angle of 45-60 degrees, and the plate width of each material receiving plate is 100mm, and the plate thickness is 16 mm.

3. The blast furnace trough lower feeding belt machine head lower hopper structure according to claim 1 or 2, characterized in that: the vertical distance between two adjacent material receiving plates is 120-150 mm.

4. The blast furnace trough lower feeding belt machine head lower hopper structure according to claim 1, characterized in that: the shaft sealing device comprises a filling cylinder, a graphite packing, a gland and a tightening bolt, wherein the filling cylinder is welded on the outer wall of the lower hopper shell, a through shaft penetrates through the shaft core of the filling cylinder, the graphite packing is arranged in the filling cylinder and tightly penetrates through the through shaft, the tightening bolt is welded on the outer wall of the lower hopper shell on the upper side and the lower side of the filling cylinder, a boss is arranged on the gland, the boss abuts against the side part of the graphite packing, and the gland simultaneously penetrates through the two tightening bolts and is locked by a locking nut.

5. The blast furnace trough lower feeding belt machine head lower hopper structure according to claim 4, characterized in that: the number of the graphite packing roots is three.