阅读说明：本技术 一种斗轮机的尾车受料斗的工作方法 (Working method of tail car receiving hopper of bucket wheel machine ) 是由 刘鑫 黄雷 胡林 周振华 于 2021-09-16 设计创作，主要内容包括：本发明公开了一种斗轮机的尾车受料斗的工作方法,所述装置由受料斗、受料斗支架、受料斗液压升降装置、受料斗液压升降驱动装置、可转动挡料罩、挡料罩转动驱动装置和挡料罩支架组成。受料斗液压升降驱动装置布置于受料斗支架上,驱动受料斗实现升降运动；可转动挡料罩为圆弧形结构,可转动挡料罩的开口小于尾车输料带的宽度；本发明通过受料斗可升降运动的方法,主动增大或减小受料斗底端与尾车输料带之间的距离,确保散料不会堵塞堆积在受料斗底端,提高散料输送效率,减少尾车输料带的磨损；此外通过挡料罩可转动的方法,确保挡料罩的开口始终朝向尾车输料带来车方向,提高受料斗在尾车输料带多方向来车时的防泄漏能力的同时减少扬尘污染。(The invention discloses a working method of a receiving hopper of a tail car of a bucket wheel machine. The receiving hopper hydraulic lifting driving device is arranged on the receiving hopper bracket and drives the receiving hopper to realize lifting movement; the rotatable material blocking cover is of an arc-shaped structure, and an opening of the rotatable material blocking cover is smaller than the width of a tail car material conveying belt; according to the invention, by adopting the method that the receiving hopper can move up and down, the distance between the bottom end of the receiving hopper and the tail car conveying belt is actively increased or reduced, so that bulk materials can not be blocked and accumulated at the bottom end of the receiving hopper, the bulk material conveying efficiency is improved, and the abrasion of the tail car conveying belt is reduced; in addition, the opening of the material blocking cover is ensured to always face the direction of the tail car conveying belt coming in the car through the rotatable method of the material blocking cover, the leakage prevention capability of the receiving hopper during the multidirectional car conveying belt of the tail car is improved, and meanwhile, the dust pollution is reduced.)

1. A working method of a receiving hopper of a tail car of a bucket wheel machine is disclosed, wherein the receiving hopper of the tail car of the bucket wheel machine comprises a receiving hopper, a receiving hopper lug plate, a receiving hopper support, a receiving hopper hydraulic lifting device, a receiving hopper hydraulic lifting driving device, a rotatable material blocking cover, a material blocking cover rotation driving device, a material blocking cover support and a pressure sensing belt; the lug plates of the receiving hoppers on the two sides are connected with the receiving hopper bracket through a hydraulic lifting device to position the receiving hoppers above the conveying belt of the tail car; the pressure sensing belt is arranged along the lower edge of the inner wall of the receiving hopper; the sliding rail on the outer wall of the rotatable material blocking cover is matched with the sliding groove on the inner wall of the material blocking cover bracket, and the whole body is wrapped on the lower section of the receiving hopper coaxially; the bottom end of the rotatable material blocking cover is provided with a brush; the receiving hopper hydraulic lifting driving device is arranged on the receiving hopper support and drives the receiving hopper hydraulic lifting device to realize the lifting motion of the receiving hopper; the stop cover rotation driving device is arranged on the stop cover support and drives the rotatable stop cover to slide along the sliding groove on the stop cover support;

the method is characterized by comprising the following working steps:

when a tail car conveying belt comes from any direction, a material blocking cover rotation driving device drives a material blocking cover to rotate, so that an opening of the material blocking cover faces the coming direction of the tail car conveying belt, and the leakage prevention capability of the tail car in multiple directions under the actual working condition is guaranteed;

step two, when the maximum height of the excavated bulk materials, which are overturned and accumulated on the tail car conveying belt, is smaller than the distance between the bottom end of the material receiving belt and the surface of the tail car conveying belt, controlling a hydraulic lifting device to drive a material receiving hopper to descend, reducing the distance between the bottom end of the material receiving hopper and the tail car conveying belt, preventing the bulk materials from being leaked, and reducing dust pollution;

and step three, when large bulk materials are accumulated and blocked between the bottom end of the receiving hopper and the tail car conveying belt, the pressure sensing belt on the lower edge of the inner wall of the receiving hopper is continuously extruded and sends a signal to prompt an operator to operate, and the receiving hopper is driven by the receiving hopper hydraulic lifting device to ascend, so that the distance between the bottom end of the receiving hopper and the tail car conveying belt is increased, and normal conveying of the bulk materials is realized.

2. The working method of the trailer receiving hopper of the bucket wheel machine as claimed in claim 1, wherein the working method comprises the following steps: the rotatable material blocking cover is of an arc-shaped structure, and an opening of the rotatable material blocking cover is smaller than the width of a tail car material conveying belt.

3. The working method of the trailer receiving hopper of the bucket wheel machine as claimed in claim 1, wherein the working method comprises the following steps: the lowest point of the lifting stroke of the receiving hopper is the position where the bottom end of the receiving hopper is flush with the bottom end of the rotatable material blocking cover, and the highest point of the lifting stroke of the receiving hopper is the position where the bottom end of the receiving hopper is flush with the bottom end of the material blocking cover support.

4. The working method of the trailer receiving hopper of the bucket wheel machine as claimed in claim 1, wherein the working method comprises the following steps: the brush at the bottom end of the rotatable material blocking cover is in contact with the surface of a tail car material conveying belt.

5. The working method of the trailer receiving hopper of the bucket wheel machine as claimed in claim 1, wherein the working method comprises the following steps: the receiving hopper support and the material blocking cover support are respectively connected and fixed with the arm support of the bucket wheel machine.

Technical Field

The invention relates to the field of large bulk material digging and conveying machinery, in particular to a working method of a trailer receiving hopper of a bucket wheel machine.

Background

The bucket wheel machine is a large machine for continuously loading and unloading bulk materials, is mainly used in stockyards of docks, large-scale steel plants, large-scale thermal power plants, mines and the like, and undertakes the operations of stacking, digging, taking and transporting the bulk materials. The method is widely applied at home and abroad due to the characteristics of high efficiency, simple operation and the like. The trailer receiving hopper is an important part when the bucket wheel machine carries out material taking operation, when the material taking operation is carried out, bulk materials dug and taken by the bucket wheel bucket fall on the trailer conveying belt through the trailer receiving hopper through the cantilever conveying belt, and finally the bulk materials are stacked to a stock ground through the trailer conveying belt to be loaded and delivered.

In the actual bucket wheel machine tail car hopper use, there is following problem in current bucket wheel machine center hopper:

1. the tail car hopper of current bucket wheel machine is for preventing the air pollution that the leakage of bulk cargo and raise dust caused, often carry out the fixed layout according to the less mode of distance between the bottom of hopper and the tail car conveying belt, the fixed layout mode of less distance leads to when appearing the volume width in the bulk cargo and is greater than the distance between hopper bottom and the tail car conveying belt like this, these great cubic bulk cargos can block up and pile up between tail car conveying belt and conveying belt direction's hopper inner wall of receiving, when can reduce bulk cargo conveying efficiency these block up accumulational great cubic bulk cargos and constantly roll wearing and tearing tail car conveying belt and hopper inner wall when the conveying belt moves, reduction equipment life and efficiency.

2. For overcoming the bulk cargo leakage and the raise dust problem that brings is raised to the distance between hopper bottom and the conveying belt, application number is CN201621178739.2, the patent of the name "a novel bucket wheel machine baffle box structure" discloses a baffle box structure that hopper hypomere both sides were added and are established the striker plate, nevertheless only at hopper hypomere both sides install the anti-bulk cargo leakage ability behind the striker plate still be short of.

3. In the actual working process of getting material at bucket wheel machine, the orientation of coming of tail car conveying belt is not fixed, and the ability is prevented leaking by the bulk cargo when this kind of baffle box structure of installing additional striker plate can't guarantee that multi-direction tail car conveying belt comes.

Disclosure of Invention

In order to overcome the problems, the invention provides a working method of a trailer hopper of a bucket wheel machine, which simultaneously solves the problems.

The technical scheme adopted by the invention for solving the technical problems is as follows: a working method of a receiving hopper of a tail car of a bucket wheel machine is disclosed, wherein the receiving hopper of the tail car of the bucket wheel machine comprises a receiving hopper, a receiving hopper lug plate, a receiving hopper support, a receiving hopper hydraulic lifting device, a receiving hopper hydraulic lifting driving device, a rotatable material blocking cover, a material blocking cover rotation driving device, a material blocking cover support and a pressure sensing belt; the lug plates of the receiving hoppers on the two sides are connected with the receiving hopper bracket through a hydraulic lifting device to position the receiving hoppers above the conveying belt of the tail car; the pressure sensing belt is arranged along the lower edge of the inner wall of the receiving hopper; the sliding rail on the outer wall of the rotatable material blocking cover is matched with the sliding groove on the inner wall of the material blocking cover bracket, and the whole body is wrapped on the lower section of the receiving hopper coaxially; the bottom end of the rotatable material blocking cover is provided with a brush; the receiving hopper hydraulic lifting driving device is arranged on the receiving hopper support and drives the receiving hopper hydraulic lifting device to realize the lifting motion of the receiving hopper; the stop cover rotation driving device is arranged on the stop cover support and drives the rotatable stop cover to slide along the sliding groove on the stop cover support;

the working steps are as follows: when a tail car conveying belt comes from any direction, a material blocking cover rotation driving device drives a material blocking cover to rotate, so that an opening of the material blocking cover faces the coming direction of the tail car conveying belt, and the leakage prevention capability of the tail car in multiple directions under the actual working condition is guaranteed; step two, when the maximum height of the excavated bulk materials, which are overturned and accumulated on the tail car conveying belt, is smaller than the distance between the bottom end of the material receiving belt and the surface of the tail car conveying belt, controlling a hydraulic lifting device to drive a material receiving hopper to descend, reducing the distance between the bottom end of the material receiving hopper and the tail car conveying belt, preventing the bulk materials from being leaked, and reducing dust pollution; and step three, when large bulk materials are accumulated and blocked between the bottom end of the receiving hopper and the tail car conveying belt, the pressure sensing belt on the lower edge of the inner wall of the receiving hopper is continuously extruded and sends a signal to prompt an operator to operate, and the receiving hopper is driven by the receiving hopper hydraulic lifting device to ascend, so that the distance between the bottom end of the receiving hopper and the tail car conveying belt is increased, and normal conveying of the bulk materials is realized.

Preferably, the rotatable material blocking cover is of an arc-shaped structure, and an opening of the rotatable material blocking cover is smaller than the width of a tail car material conveying belt.

Preferably, the lowest point of the lifting stroke of the receiving hopper is the position where the bottom end of the receiving hopper is flush with the bottom end of the rotatable material blocking cover, and the highest point of the lifting stroke of the receiving hopper is the position where the bottom end of the receiving hopper is flush with the bottom end of the material blocking cover support.

Preferably, the brush at the bottom end of the rotatable material blocking cover is in contact with the surface of a tail car material conveying belt. Preferably, the receiving hopper support and the material blocking cover support are respectively connected and fixed with the arm support of the bucket wheel machine.

The invention has the beneficial effects that:

1. aiming at the point 1 provided by the background technology, the invention adopts a method that the receiving hopper can move up and down relative to the tail car conveying belt to solve the problem. The two sides of the receiving hopper are provided with lug plates, and the receiving hopper hydraulic lifting device is fixed on the receiving hopper bracket and is connected with the lug plates of the receiving hopper on the two sides; carry out the oscilaltion motion through the relative trailer conveying belt of hopper hydraulic pressure elevating gear drive hopper, simultaneously laid pressure sensing area along hopper inner wall lower edge, when the bold bulk cargo jam is piled up constantly extrudeing hopper inner wall lower edge pressure sensing area between hopper bottom and trailer conveying belt, pressure sensing area signals gives operating personnel, thereby the manipulation hopper rises and increases or dwindles the distance between hopper bottom and the trailer conveying belt, can not appear the bulk cargo jam when guaranteeing bucket wheel machine to dig the bulk cargo of equidimension not and pile up the phenomenon between hopper bottom and trailer conveying belt, in order to improve bulk cargo transport efficiency, reduce the wearing and tearing on trailer conveying belt surface.

2. Aiming at the 2 nd point provided by the background technology, the invention adopts a circular arc-shaped rotatable material blocking cover structure to solve the problem. The outer part of the circular arc rotatable material blocking cover is wrapped on the lower section of the receiving hopper, and a gap is reserved between the inner wall of the rotatable material blocking cover and the outer wall of the lower section of the receiving hopper; the bottom end of the rotatable material blocking cover is provided with a hairbrush which is in contact with the surface of a tail car material conveying belt; rotatable fender cover opening is towards the defeated material area of tail car, and convex rotatable fender cover opening angle ensures that opening width is less than the defeated material area width of tail car to guarantee that the bulk cargo is except that all the other directions of direction of delivery prevent leaking the ability and reduce the raise dust pollution.

3. Aiming at the 3 rd point provided by the background technology, in order to ensure the leakage-proof capability when the tail car conveying belt is in multi-directional car running when the receiving hopper actually works, the invention adopts a method that the rotatable material blocking cover rotates along the inner wall of the material blocking cover bracket to solve the problem. The sliding rail arranged on the outer wall of the rotatable material blocking cover is matched with the sliding groove on the inner wall of the material blocking cover support, and the rotatable material blocking cover is driven by the material blocking cover rotation driving device to rotate and slide, so that the opening of the rotatable material blocking cover always faces the conveying direction of the conveying belt when the tail car conveying belt comes from multiple directions, and the leakage prevention capability of the receiving hopper when the tail car conveying belt comes from multiple directions is improved.

Note: the foregoing designs are not sequential, each of which provides a distinct and significant advance in the present invention over the prior art.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic overall view of a trailer hopper of a bucket wheel machine of the present invention;

FIG. 2 is a schematic diagram of the operation of the trailer belt of the present invention with a multi-directional trailer hopper;

FIG. 3 is a schematic view showing a relatively small distance between a receiving hopper of the trailer and a conveying belt of the trailer;

FIG. 4 is a schematic view of the present invention with a relatively large distance between the receiving hopper and the conveyor belt of the trailer;

FIG. 5 is an enlarged partial schematic view in section of a trailer hopper A-A of the present invention.

In the figures, the reference numerals are as follows:

1. tail vehicle conveying belt 2, hairbrush 3, material blocking cover rotation driving device 4, receiving hopper hydraulic lifting device 5, receiving hopper hydraulic lifting driving device 6, receiving hopper ear plate 7, receiving hopper 8, receiving hopper support 9, material blocking cover support 10, rotatable material blocking cover 11, slide rail 12, slide groove 13 and pressure sensing belt

Detailed Description

As shown in the figure: a working method of a tail car receiving hopper of a bucket wheel machine is characterized in that the tail car receiving hopper of the bucket wheel machine is arranged on a tail car conveying belt 1 and comprises a receiving hopper 7, a receiving hopper lug plate 6, a receiving hopper support 8, a receiving hopper hydraulic lifting device 4, a receiving hopper hydraulic lifting driving device 5, a rotatable material blocking cover 10, a material blocking cover rotation driving device 3, a material blocking cover support 9 and a pressure sensing belt 13; the receiving hopper hydraulic lifting device 4 is fixed on a receiving hopper bracket 8, and the other end of the receiving hopper hydraulic lifting device is matched with a receiving hopper lug plate 6 to arrange a receiving hopper 7 on a tail car conveying belt 1; the receiving hopper hydraulic lifting driving device 5 is also fixed on the receiving hopper support 8, and a hydraulic rod of the receiving hopper hydraulic lifting driving device 5 stretches to realize the lifting motion of the receiving hopper 7; the lowest point of the lifting stroke of the receiving hopper 7 is the position where the bottom end of the receiving hopper 7 is flush with the bottom end of the rotatable material blocking cover 10, and the highest point of the lifting stroke of the receiving hopper 7 is the position where the bottom end of the receiving hopper 7 is flush with the bottom end of the material blocking cover support 9. Rotatable striker cover 10 matches with striker cover support 9 and wraps up in the lower section of hopper 7 outward, rotates through the drive of striker cover rotation drive arrangement 3 on striker cover support 9.

As shown in the figure: the receiving hopper 7, the rotatable material blocking cover 10 and the material blocking cover bracket 9 are arranged coaxially from inside to outside; the outer wall of rotatable striker cover 10 is equipped with two slide rails 11 and matches with two spouts 12 on the striker cover support 9 inner wall, and striker cover rotation drive arrangement 3 drive rotatable striker cover 10 slides in two spouts 12 and makes rotatable striker cover 10 rotatory, guarantees that the opening of rotatable striker cover 10 caters to the tail car conveying belt 1 that each direction came.

As shown in the figure: pressure sensing area 13 lays in receiving hopper 7 inner wall lower edge, when bulk cargo volumetric width is greater than receiving hopper 7 bottom and the 1 surperficial interval of trailer conveying belt, the bulk cargo blocks up and piles up between receiving hopper 7 bottom and trailer conveying belt 1, the conveyer belt of operation makes the pressure sensing area 13 of the interior wall lower edge of receiving hopper 7 of continuous wearing and tearing tail car conveyer belt 1 surface of rolling extrusion simultaneously of accumulational bulk cargo, receive extruded pressure sensing area 13 send signal for the staff, the staff can manipulate receiving hopper hydraulic lifting device 4 and lift receiving hopper 7, increase receiving hopper 7 bottom and the interval of trailer conveying belt 1, make the bulk cargo pass through, the signal disappears, the staff then stops to lift receiving hopper 7.

The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.