CN113879786A

CN113879786A - Vertical double-screw unloader

Info

Publication number: CN113879786A
Application number: CN202111369718.4A
Authority: CN
Inventors: 刘金生; 崔冰; 田丰; 王来奇; 张佰海; 吕玮; 陈�光; 张泽刚; 刘力东; 孙绍成; 黄彦敏
Original assignee: Harbin Fenglei Heavy Industry Machinery Equipment Technology Co ltd; SHANDONG TAIAN COAL MINING MACHINERY CO Ltd
Current assignee: Harbin Fenglei Heavy Industry Machinery Equipment Technology Co ltd; SHANDONG TAIAN COAL MINING MACHINERY CO Ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-01-04

Abstract

The utility model provides a vertical double helix unloader, it relates to an unloader, concretely relates to vertical double helix unloader. The invention aims to solve the problems that the chain bucket unloader is poor in unloading tightness, has high harm to the surrounding environment and operators during operation, and is low in unloading economic benefit due to the hook machine. The invention comprises a cart travelling mechanism, a trolley travelling mechanism, a horizontal spiral conveying mechanism and at least two vertical spiral material taking mechanisms; the cart travelling mechanism and the horizontal spiral conveying mechanism are arranged side by side, the trolley travelling mechanism is arranged on the cart travelling mechanism, and the two vertical spiral material taking mechanisms are arranged on the trolley travelling mechanism side by side. The invention belongs to the field of machine manufacturing.

Description

Vertical double-screw unloader

Technical Field

The invention relates to an unloader, in particular to a vertical double-screw unloader, and belongs to the field of machine manufacturing.

Background

Bulk materials are mostly transported by open trucks, and materials are unloaded by chain bucket unloading machines, hook machines and the like. The prior market commonly adopts a door type chain bucket unloader, the equipment spans over a wagon and is unloaded in a chain bucket coal taking mode and a mode of conveying coal outwards by a rubber belt conveyor; the coal unloading device has the advantages that the door of the vehicle is not required to be opened, the working efficiency is higher, the coal can be unloaded out of the track by more than several meters, and the continuous loading and unloading are facilitated; the defects of the method are that the sealing performance is poor, effective dust-settling measures are not available, the harm to the environment and the human body of an operator is large, and the method is particularly serious in strong wind seasons; the hook machine is unloaded and need be opened carriage both sides door, and outside the carriage was scraped the material to the hook machine through the operator control, efficiency was very low, and can not directly transport away the material, still need just can transport the assigned position to the material through the secondary transportation of falling, can't realize continuous transportation, so economic benefits nature is very low, and the environmental pollution that the transportation caused is also very big.

Disclosure of Invention

The invention provides a vertical double-screw unloader, aiming at solving the problems that the unloading tightness is poor when the chain bucket unloader is used for unloading, the harmfulness to the surrounding environment and operators is large during operation, and the economic benefit of unloading by using a hook machine is low.

The technical scheme adopted by the invention for solving the problems is as follows: the invention comprises a cart travelling mechanism, a trolley travelling mechanism, a horizontal spiral conveying mechanism and at least two vertical spiral material taking mechanisms; the cart travelling mechanism and the horizontal spiral conveying mechanism are arranged side by side, the trolley travelling mechanism is arranged on the cart travelling mechanism, and the two vertical spiral material taking mechanisms are arranged on the trolley travelling mechanism side by side.

Furthermore, the cart travelling mechanism is a door-shaped frame body, the trolley travelling mechanism is installed on a cross beam of the door-shaped frame body, and the trolley travelling mechanism can linearly reciprocate along the cross beam of the door-shaped frame body.

Furthermore, the vertical spiral material taking mechanism comprises a lifting mechanism, wherein the lifting mechanism is arranged on a trolley travelling mechanism, and the two vertical spiral material taking mechanisms are arranged on the lifting mechanism side by side.

Furthermore, each vertical spiral material taking mechanism comprises a vertical spiral driving mechanism, a vertical spiral and a spiral material taking hopper; the vertical spiral driving mechanism is fixedly installed on the lifting mechanism, the vertical spiral is vertically arranged, the upper end of the vertical spiral is connected with the vertical spiral driving mechanism, and the lower end of the vertical spiral is connected with the spiral material taking hopper.

Further, two spiral take-off hoppers are arranged side by side, and the two spiral take-off hoppers rotate oppositely.

Furthermore, a plurality of material taking hoppers are arranged on the outer cylinder body of each spiral material taking hopper in a spiral line mode.

Further, the plurality of material taking hoppers means 4 to 6 material taking hoppers.

The invention has the beneficial effects that: the invention adopts the double-helix opposite-rotation forced material taking device with a special structure and the high-speed spiral lifting, so that the material is quickly lifted, and the unloading capacity is high; the invention has the advantages of integrated mechanical and electrical integration design, convenient program modification and high automation degree, and simultaneously has various safety protection functions of mechanical protection, hydraulic automatic protection, speed overrun protection, overload protection, electromagnetic and variable frequency combined braking system and the like.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of two spiral material taking hoppers.

Detailed Description

The first embodiment is as follows: the embodiment is described with reference to fig. 1 and fig. 2, and the vertical double-screw unloader according to the embodiment includes a cart traveling mechanism 1, a trolley traveling mechanism 2, a horizontal screw conveying mechanism 7, and at least two vertical screw material-taking mechanisms; the cart travelling mechanism 1 and the horizontal spiral conveying mechanism 7 are arranged side by side, the trolley travelling mechanism 2 is arranged on the cart travelling mechanism 1, and the two vertical spiral material taking mechanisms are arranged on the trolley travelling mechanism 2 side by side.

In the embodiment, all the connecting points are in a closed design, so that the phenomenon of overflowing of dust and materials is avoided; the material taking device is embedded in the material, thereby reducing the dust raising amount generated by material taking. The noise is low, the main parts are tested and corrected through static balance and dynamic balance, the equipment runs stably and reliably, and the noise pollution to the surrounding environment can not be caused.

The easily-worn part in the embodiment adopts a new material, a new process and a special structural design, is suitable for long-term continuous operation in severe environment, and has long service life.

The second embodiment is as follows: the embodiment is described with reference to fig. 1 and 2, the cart travelling mechanism 1 of the vertical double-screw unloader according to the embodiment is a portal frame, the trolley travelling mechanism 2 is mounted on a cross beam of the portal frame, and the trolley travelling mechanism 2 can linearly reciprocate along the cross beam of the portal frame. Other components and connections are the same as those in the first embodiment.

The third concrete implementation mode: the embodiment is described with reference to fig. 1 and fig. 2, and the vertical double-screw unloader according to the embodiment further includes a lifting mechanism 4, the lifting mechanism 4 is installed on the trolley traveling mechanism 2, and the two vertical double-screw material taking mechanisms are installed on the lifting mechanism 4 side by side. Other components and connections are the same as those in the first embodiment.

The fourth concrete implementation mode: the embodiment is described with reference to fig. 1 and 2, and each vertical spiral material taking mechanism of the vertical double-spiral unloading machine of the embodiment comprises a vertical spiral driving mechanism 3, a vertical spiral 5 and a spiral material taking hopper 6; vertical spiral actuating mechanism 3 fixed mounting is on hoist mechanism 4, and vertical spiral 5 is vertical to be set up, and vertical spiral 5's upper end is connected with vertical spiral actuating mechanism 3, and vertical spiral 5's lower extreme is connected with spiral material taking hopper 6. Other components and connection relationships are the same as those in the third embodiment.

The fifth concrete implementation mode: referring to fig. 1 and 2, the present embodiment will be described, in which two screw receiving hoppers 6 of a vertical double screw discharging machine according to the present embodiment are arranged side by side, and the two screw receiving hoppers 6 rotate in opposite directions. Other components and connection relationships are the same as those in the fourth embodiment.

The sixth specific implementation mode: the present embodiment will be described with reference to fig. 1 and 2, and a plurality of screw-type take-off hoppers are provided in a spiral manner in the outer cylinder of each screw-type take-off hopper 6 of the vertical double screw discharger according to the present embodiment. The other components and the connection relationship are the same as those in the fifth embodiment.

The seventh embodiment: the present embodiment is described with reference to fig. 1 and 2, and the plurality of material taking hoppers of the vertical double-screw discharging machine according to the present embodiment means 4 to 6 material taking hoppers. Other components and connection relations are the same as those of the sixth embodiment.

Principle of operation

The cart travelling mechanism 1 is driven to travel on the track, wherein the cart travelling mechanism 1 drives travelling wheels to rotate by a motor reducer so as to achieve the purpose of longitudinal travel on the track; the trolley travelling mechanism 2 travels on a track of the cart travelling mechanism 1, the vertical spiral driving mechanism 3 and the vertical spiral 4 are fixed on the trolley travelling mechanism and are driven by the trolley to move transversely, two sets of vertical spiral 4 structures are adopted for increasing unloading capacity, wherein the vertical spiral 5 is divided into an inner spiral and an outer spiral, 4-6 material taking hoppers are arranged on an outer barrel body in a spiral line mode, so that the material taking speed is higher and more stable, the lifting mechanism 4 drives the vertical spiral 5 to lift and unload carriage materials, the materials are lifted by the vertical spiral 5 to a discharge port, a movable sealing device is arranged at the interface of the discharge port of the vertical spiral 5 and the horizontal spiral conveying mechanism 6 to prevent dust raising, the final materials are conveyed to the next-stage equipment by the horizontal spiral conveying mechanism 6, and the interface of the horizontal spiral conveying mechanism 6 and the next-stage equipment structure is provided with a movable sealing device, preventing dust from flying.

According to the invention, by utilizing the principle that two spiral heads rotate oppositely to take materials, 4-6 material taking hoppers are arranged on the outer cylinder body in a spiral line manner to quickly collect and take materials, bulk materials are lifted onto a belt conveyor through horizontal and vertical spiral conveying, and the purpose of unloading is achieved through the operation of a cart and the up-and-down operation of a lifting mechanism.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a vertical double helix unloader which characterized in that: the vertical double-spiral unloading machine comprises a cart travelling mechanism (1), a trolley travelling mechanism (2), a horizontal spiral conveying mechanism (7) and at least two vertical spiral unloading mechanisms; the cart travelling mechanism (1) and the horizontal spiral conveying mechanism (7) are arranged side by side, the trolley travelling mechanism (2) is arranged on the cart travelling mechanism (1), and the vertical spiral material taking mechanisms are arranged on the trolley travelling mechanism (2) side by side.

2. The vertical double-screw unloader as set forth in claim 1, wherein: the cart travelling mechanism (1) is a door-shaped frame body, the trolley travelling mechanism (2) is installed on a cross beam of the door-shaped frame body, and the trolley travelling mechanism (2) can linearly reciprocate along the cross beam of the door-shaped frame body.

3. The vertical double-screw unloader as set forth in claim 1, wherein: the vertical double-spiral unloading machine further comprises a lifting mechanism (4), wherein the lifting mechanism (4) is installed on the trolley travelling mechanism (2), and the two vertical spiral unloading mechanisms are installed on the lifting mechanism (4) side by side.

4. The vertical double-screw unloader as set forth in claim 3, wherein: each vertical spiral material taking mechanism comprises a vertical spiral driving mechanism (3), a vertical spiral (5) and a spiral material taking hopper (6); the vertical screw driving mechanism (3) is fixedly installed on the lifting mechanism (4), the vertical screw (5) is vertically arranged, the upper end of the vertical screw (5) is connected with the vertical screw driving mechanism (3), and the lower end of the vertical screw (5) is connected with the screw material taking hopper (6).

5. The vertical double-screw unloader as set forth in claim 4, wherein: the two spiral material taking hoppers (6) are arranged side by side, and the two spiral material taking hoppers (6) rotate oppositely.

6. The vertical double-screw unloader as set forth in claim 5, wherein: the outer cylinder body of each spiral material taking hopper (6) is provided with a plurality of material taking hoppers in a spiral line mode.

7. The vertical double-screw unloader of claim 6, wherein: the plurality of material taking hoppers means 4 to 6 material taking hoppers.