CN112027588B

CN112027588B - Mining baffle box material flows adjusting device

Info

Publication number: CN112027588B
Application number: CN202010794313.4A
Authority: CN
Inventors: 程刚; 西大驰; 李泰延; 金祖进; 顾伟; 王聪; 李美四
Original assignee: Shandong Zhongheng Photoelectric Technology Co ltd
Current assignee: Shandong Zhongheng Photoelectric Technology Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2022-08-19
Anticipated expiration: 2040-08-10
Also published as: CN112027588A

Abstract

The invention discloses a material flow adjusting device of a guide chute for a mine, which comprises a fixed frame, wherein two cross beams are arranged in the middle of the fixed frame, the fixed end of a hydraulic cylinder is hinged with the middle part of the upper end of each cross beam, the movable end of the hydraulic cylinder is hinged with a baffle mechanism, and the baffle mechanism comprises: the overhead gage, lower baffle, a spring, fixing support, laser rangefinder sensor, the pneumatic cylinder expansion end articulates on baffle down, the spring both ends pass through fixing support respectively with the overhead gage, baffle fixed connection down, the baffle is located directly over the crossbeam and articulates on the mount top through the pivot that runs through its inside with the parallel edge of crossbeam down, the mount is arranged in to another and the parallel edge of crossbeam of baffle down inside, the baffle is equipped with and is used for measuring the overhead gage down, the laser rangefinder sensor of distance between the baffle down, laser rangefinder sensor and controller signal connection, pneumatic cylinder and controller control connection. The baffle mechanism can be rotated according to the feeding condition above, and the size of the coal flow blanking opening can be adjusted.

Description

Mining baffle box material flow adjusting device

Technical Field

The invention relates to the field of coal conveying equipment of mining machinery, in particular to a material flow adjusting device of a mining guide chute.

Background

The belt conveyor is the main conveying equipment for mine coal conveying, and has strong conveying capacity and long conveying distance, so that the belt conveyor is widely applied, and in the field of mines, the belt conveyor is less in long-distance coal conveying, coal passing through the material guide notch is continuously loaded onto the belt conveyor, and when the coal flows too much, the materials are easy to accumulate and block on the material guide chute; when coal flows through the small, the coal output on the belt conveyor is too little, the production efficiency is reduced, coal on the belt conveyor is unevenly distributed due to unstable coal flow, the deviation is easy to occur, the long-term deviation of the belt conveyor can cause material scattering, serious accidents such as edge abrasion, tearing and even belt breakage of the conveying belt can be caused, and the service life of the belt conveyor is shortened.

Disclosure of Invention

Aiming at the problem that coal flow at a material guide groove opening on a belt conveyor is difficult to control in the prior art, the invention provides the material flow adjusting device of the mining material guide groove.

In order to achieve the technical purpose, the invention adopts the following technical scheme:

the utility model provides a mining baffle box material flows adjusting device which characterized in that: the hydraulic cylinder fixing device comprises a fixing frame, a hydraulic cylinder, a baffle mechanism and a controller, wherein two fixing plates are fixedly connected to the outer side of the upper end of the fixing frame;

the baffle mechanism includes: an upper baffle, a lower baffle, a plurality of springs, a fixed support and a lifting ring, the chain, laser rangefinder sensor, the pneumatic cylinder expansion end articulates on lower baffle, the spring both ends pass through fixing support respectively with the overhead gage, baffle fixed connection down, the baffle is located directly over the crossbeam and articulates on the mount top through running through its inside pivot down with the parallel edge of crossbeam, another of baffle is arranged the mount inside with the parallel edge of crossbeam down, arrange the inside overhead gage of mount in, the both sides at lower baffle edge are equipped with respectively and play rings, it passes through the chain with the ring that plays on the overhead gage and the relative lower baffle and is connected to go up the ring on the baffle, the tension of spring makes the chain be in tension state, the baffle is equipped with and is used for measuring the overhead gage down, the laser rangefinder sensor of distance between the baffle down, laser rangefinder sensor and controller signal connection, the pneumatic cylinder is connected with controller control.

Preferably, the lower baffle is located right above the cross beam, the middle of the edge parallel to the cross beam is fixed to the edge of the upper baffle opposite to the lower baffle through a connecting plate, and the connecting plate is provided with a through hole for the rotating shaft to pass through.

Preferably, the fixing plate is fixed to the fixing frame by a fixing pin.

Preferably, the number of the springs is 6, and the 6 springs are arranged between the upper baffle and the lower baffle in two rows and three columns.

Compared with the prior art, the invention has the beneficial effects that:

according to the mining material flow adjusting device for the guide chute, the baffle plate mechanism can be rotated according to the feeding condition above, and the baffle plate mechanism in the guide chute can be arranged to adjust the size of a coal flow blanking opening, so that the coal flow direction is adjusted, the coal flow falls on the middle part of the belt conveyor, the phenomenon that the belt conveyor deviates due to uneven coal flow is reduced, the service life of a belt of the belt conveyor is effectively prolonged, the maintenance cost of the conveyor is reduced, the belt conveyor is more stable in operation, and the conveying efficiency of the belt conveyor is further improved.

Drawings

In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

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

FIG. 2 is a left side view of the present invention with the left side stationary plate removed;

fig. 3 is a schematic structural view of the shutter mechanism of the present invention.

In the figure: 1, fixing a frame; 2-a cross beam; 3, a hydraulic cylinder; 4-a baffle mechanism; 4-1, an upper baffle plate; 4-2 lower baffle plates; 4-3 springs; 4-4, fixing a support; 4-5 lifting rings; 4-6 chains; 4-7 laser ranging sensors; 5 fixing the plate; 6-connecting a plate; 7-fixed pin.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1, 2 and 3, the material flow adjusting device for the mining material guide chute comprises a fixed frame 1, a hydraulic cylinder 3, a baffle mechanism 4 and a controller, wherein two fixed plates 5 are fixedly connected to the outer side of the upper end of the fixed frame 1, the fixed plates 5 are fixed with the fixed frame 1 through fixing pins 7, and the fixed plates 5 prevent materials from falling from the two sides of the fixed frame 1. The middle part of the fixed frame 1 is provided with two beams 2, the fixed end of the hydraulic cylinder 3 is hinged with the middle part of the upper end of the beam 2, and the movable end of the hydraulic cylinder 3 is hinged with the baffle mechanism 4.

The shutter mechanism 4 includes: the device comprises an upper baffle 4-1, a lower baffle 4-2, 6 springs 4-3, a fixed support 4-4, a lifting ring 4-5, a chain 4-6 and a laser ranging sensor 4-7. The movable end of the hydraulic cylinder 3 is hinged on the lower baffle 4-2, two ends of the spring 4-3 are respectively and fixedly connected with the upper baffle 4-1 and the lower baffle 4-2 through the fixed supports 4-4, and the 6 springs 4-3 are arranged between the upper baffle 4-1 and the lower baffle 4-2 in two rows and three columns. The lower baffle 4-2 is positioned right above the cross beam 2, the edge parallel to the cross beam 2 is hinged on the fixed frame 1 through a rotating shaft penetrating through the lower baffle 4-2, the middle part of the edge, which is positioned right above the cross beam 2 and parallel to the cross beam 2, of the lower baffle 4-2 is fixed with the edge of the upper baffle 4-1 opposite to the lower baffle through a connecting plate 6, and the connecting plate 6 is provided with a through hole for the rotating shaft to pass through. The other edge of the lower baffle 4-2 parallel to the cross beam 2 is arranged in the fixed frame 1, lifting rings 4-5 are respectively arranged on two sides of the edges of the upper baffle 4-1 and the lower baffle 4-2 which are arranged in the fixed frame 1, the lifting rings 4-5 on the upper baffle 4-1 are connected with the lifting rings 4-5 on the opposite lower baffle 4-1 through chains 4-6, the chains 4-6 are in a tightened state due to the tension of the springs 4-3, the lower baffle 4-2 is provided with a laser ranging sensor 4-7 for measuring the distance between the upper baffle 4-1 and the lower baffle 4-2, the laser ranging sensor 4-7 is in signal connection with a controller, and the hydraulic cylinder 3 is in control connection with the controller.

The material flow adjusting process of the guide chute comprises the following steps: when coal flows too much, the coal is accumulated on the two baffle mechanisms 4, the coal accumulated on the baffle mechanisms 4 compresses the springs 4-3, the laser ranging sensors 4-7 detect that the distance between the upper baffle 4-1 and the lower baffle 4-2 is reduced and transmit signals to the controller, the controller controls the hydraulic cylinder 3 to act, the movable end of the hydraulic cylinder 3 drives the lower baffle 4-2 hinged with the hydraulic cylinder to rotate, the size of the material guide notch is increased, and the coal guide chute accumulated on the baffle mechanisms 4 falls to the belt conveyor. After the coal accumulated on the baffle mechanism 4 falls down, the spring 4-3 rebounds, the chain 4-6 is used for preventing the rebound elasticity of the spring 4-3 from exceeding the stroke of the spring 4-3 to cause the spring 4-3 to fall off, and the chain 4-6 is also used for preventing the rebound elasticity of the spring 4-3 from damaging the baffle mechanism 4. When coal flows through the coal conveyor, the laser distance measuring sensor 4-7 detects that the distance between the upper baffle 4-1 and the lower baffle 4-2 is increased and transmits a signal to the controller, the controller controls the hydraulic cylinder 3 to act, the movable end of the hydraulic cylinder 3 drives the lower baffle 4-2 hinged with the hydraulic cylinder to rotate, the size of the material guide notch is reduced, and materials fall in the middle of the belt conveyor.

Claims

1. The utility model provides a mining baffle box material flows adjusting device which characterized in that: the device comprises a fixed frame (1), a hydraulic cylinder (3), a baffle mechanism (4) and a controller, wherein two fixed plates (5) are fixedly connected to the outer side of the upper end of the fixed frame (1), two cross beams (2) are arranged in the middle of the fixed frame (1), the fixed end of the hydraulic cylinder (3) is hinged to the middle of the upper end of each cross beam (2), and the movable end of the hydraulic cylinder (3) is hinged to the baffle mechanism (4);

the shutter mechanism (4) includes: the device comprises an upper baffle (4-1), a lower baffle (4-2), a plurality of springs (4-3), a fixed support (4-4), a lifting ring (4-5), a chain (4-6) and a laser ranging sensor (4-7), wherein the movable end of a hydraulic cylinder (3) is hinged to the lower baffle (4-2), two ends of the springs (4-3) are respectively fixedly connected with the upper baffle (4-1) and the lower baffle (4-2) through the fixed support (4-4), the lower baffle (4-2) is positioned right above the cross beam (2) and is hinged to the top end of the fixed frame (1) through a rotating shaft penetrating through the lower baffle (4-2), the other edge of the lower baffle (4-2) parallel to the cross beam (2) is arranged in the fixed frame (1), and the upper baffle (4-1) arranged in the fixed frame (1), Two sides of the edge of the lower baffle (4-2) are respectively provided with a lifting ring (4-5), the lifting ring (4-5) on the upper baffle (4-1) is connected with the lifting ring (4-5) on the opposite lower baffle (4-1) through a chain (4-6), the chain (4-6) is in a tightened state due to the tension of the spring (4-3), the lower baffle (4-2) is provided with a laser ranging sensor (4-7) for measuring the distance between the upper baffle (4-1) and the lower baffle (4-2), the laser ranging sensor (4-7) is in signal connection with a controller, and the hydraulic cylinder (3) is in control connection with the controller;

when coal flows too much, the coal is accumulated on the baffle mechanisms (4), the coal accumulated on the two baffle mechanisms (4) compresses the springs (4-3), the laser ranging sensor (4-7) detects that the distance between the upper baffle (4-1) and the lower baffle (4-2) is reduced and transmits a signal to the controller, the controller controls the hydraulic cylinder (3) to act, the movable end of the hydraulic cylinder (3) drives the lower baffle (4-2) hinged with the hydraulic cylinder to rotate, the size of the material guide notch is increased, the coal guide groove accumulated on the baffle mechanisms (4) falls to the belt conveyor, the coal accumulated on the baffle mechanisms (4) falls behind, the springs (4-3) rebound, the chains (4-6) are used for preventing the rebound elasticity of the springs (4-3) from being too large to exceed the stroke of the springs (4-3) to enable the springs (4-3) to fall off, the chain (4-6) is used for preventing the baffle mechanism (4) from being damaged by overlarge rebound elasticity of the spring (4-3); when coal flows through, the laser ranging sensor (4-7) detects that the distance between the upper baffle (4-1) and the lower baffle (4-2) is increased and transmits a signal to the controller, the controller controls the hydraulic cylinder (3) to act, the movable end of the hydraulic cylinder (3) drives the lower baffle (4-2) hinged with the hydraulic cylinder to rotate, the size of the material guide notch is reduced, and materials fall on the middle part of the belt conveyor; the lower baffle (4-2) is positioned right above the cross beam (2) and the middle of the edge parallel to the cross beam (2) is fixed with the edge of the upper baffle (4-1) opposite to the lower baffle through a connecting plate (6), and the connecting plate (6) is provided with a through hole for the rotating shaft to pass through.

2. The mining guide chute material flow adjusting device as claimed in claim 1, wherein: the fixing plate (5) is fixed with the fixing frame (1) through a fixing pin (7).

3. The mining material guide chute material flow adjusting device as claimed in claim 1, characterized in that: the number of the springs (4-3) is 6, and the 6 springs (4-3) are arranged between the upper baffle (4-1) and the lower baffle (4-2) in two rows and three columns.