CN214610455U

CN214610455U - Buffer device for reducing coal breakage

Info

Publication number: CN214610455U
Application number: CN202120196001.3U
Authority: CN
Inventors: 王新民; 王安琪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-11-05
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses a set up scour protection cylinder and elastic buffer subassembly, when belt transportation coal stream reprints, make its speed slow down, through elastic wear-resisting material absorbed impact energy to through the rotation of scour protection cylinder, and set up adjustable damping device, maintain the scour protection cylinder at the uniform velocity under the drive of coal stream and rotate, can make the position of scour protection cylinder adapt to the drop point of coal stream through the cooperation of support, first direction adjusting device and second direction adjusting device; the utility model discloses simple structure, convenient to use all can use elasticity wear-resisting material with the position of coal stream contact, increase substantially life, and once adjust stably, can rely on the impulsive force of coal stream to operate by oneself, need not additionally to provide power, and energy-conservation subtracts consumptive, the utility model discloses can increase substantially the play piece rate of coal, have good economic value, suitable using widely.

Description

Buffer device for reducing coal breakage

Technical Field

The utility model belongs to the technical field of the auxiliary device in the coal production transportation and specifically relates to a coal reduces broken buffer of coal in the production transportation.

Background

Coal products in the production process of a coal mine mainly comprise pulverized coal and lump coal, the yield of the lump coal is reduced due to the crushing effect of links such as storage, loading, transportation and the like on the lump coal in the production and processing processes, and the comprehensive selling price data of commercial coal shows that the selling price of the lump coal is 50-100 yuan/ton higher than that of the pulverized coal, so that the yield of the lump coal is increased, and the method is an effective way for improving the economic benefit of coal enterprises.

The conventional anti-crushing method mainly comprises a spiral chute, a hopper type anti-crushing device and a telescopic type anti-crushing device, wherein the speed of the spiral chute is reduced by utilizing the friction force generated when lump coal slides down along the spiral chute, so that the crushing amount of the lump materials generated by falling and mutual collision is reduced; the hopper type anti-crushing device is mainly characterized in that a control system is used for placing a blanking hopper at the existing coal position through a winch by detecting the coal position of a coal bunker and the amount of lump coal loaded into the blanking hopper, unloading the lump coal and automatically lifting the lump coal to an initial position to enter the next cycle, and the aim of preventing the lump coal from being crushed is achieved by reducing the fall of the lump coal in the conveying process; the telescopic anti-crushing device mainly comprises a telescopic chute, a traction mechanism, various sensors and a control system, wherein the control system controls the traction mechanism to move the lower opening of the chute upwards by detecting the lump coal level of the telescopic chute, and a certain coal level is always kept in the telescopic chute, so that the drop height of the lump coal is reduced, and the lump coal is prevented from being crushed; the above anti-crushing methods have the following defects: the equipment processing and installation difficulty is high, and the price is high; difficulty in maintenance; the key components are not wear-resistant, are influenced by the change of the granularity composition of materials and the like, are all at the tail end of production in an anti-crushing way, and the anti-crushing effect in the production process is not considered, so that the coal block yield is not high, and the economic benefit of coal production enterprises is influenced.

SUMMERY OF THE UTILITY MODEL

For solving the above problem, the utility model provides a following technical scheme:

the utility model provides a reduce broken buffer of coal, includes elastic buffer subassembly, scour protection cylinder, mounting system, scour protection cylinder both sides axle center department is equipped with the roller bearing, the roller bearing is connected with mounting system, the scour protection cylinder can rotate relative mounting system, the elastic buffer subassembly is equipped with a plurality ofly and evenly installs in the scour protection cylinder outside.

Furthermore, the rolling shaft is connected with the anti-impact roller through a bearing, and the rolling shaft is fixedly connected with the support system or is connected with the support system through the bearing; the other scheme is that the rolling shaft is fixedly connected with the anti-impact roller or connected with the anti-impact roller through a bearing, and the rolling shaft is connected with the support system through the bearing.

Furthermore, the elastic buffering components are symmetrical bodies, included angles between every two symmetrical surfaces of the elastic buffering components are equal, and intersecting lines of the symmetrical surfaces where the elastic buffering components are located are the axes of the anti-impact roller.

Furthermore, baffles are arranged on two sides of the anti-impact roller.

Furthermore, adjustable damping devices are arranged on two sides of the anti-impact roller and sleeved on the outer ring of the roller and located between the baffle and the support system.

Further, the support system comprises a fixed support, a first direction adjusting device and a second direction adjusting device, the fixed support is connected with the rolling shaft, the anti-impact roller can move left and right through the first direction adjusting device and is fixed in position, and the first direction adjusting device can move up and down relative to the second direction adjusting device and is fixed with the second direction adjusting device.

Furthermore, a rigid framework is arranged in the elastic buffer assembly, and the elastic buffer assembly is coated with an elastic wear-resistant material.

Further, a chute is arranged on the inner side of the second direction adjusting device and is a multi-stage smooth slope, and the chute is made of wear-resistant elastic materials.

Further, be equipped with the reinforcement between two liang of elastic buffer subassembly, the reinforcement sets up in the outside of scour protection cylinder, the reinforcement with form the fillet between the elastic buffer subassembly, the reinforcement is concave arc shape, the reinforcement is elastic wear-resisting material and makes.

The utility model has the advantages that: the elastic buffer assembly is arranged outside the rotatable anti-impact roller to form a blade shape, coal flow enters the buffer device through belt conveying, the coal block impacts the elastic buffer assembly, the elastic buffer assembly drives the anti-impact roller to rotate under the action of gravity, the coal block is buffered by the elastic buffer assembly, the speed of the coal flow is reduced, the kinetic energy of the coal block is absorbed through the rotation of the anti-impact roller and the like, and the crushing of the coal block caused by rigid collision is greatly reduced; a bearing is arranged between the rolling shaft and the punched roller or between the rolling shaft and the bracket system, the bearing arranged between the rolling shaft and the punched roller can reduce the pressure of the contact sliding surface due to large contact area, so as to prevent impact damage, and the bearing arranged between the rolling shaft and the bracket system can play a role in standby; the included angles between every two elastic buffer assemblies are equal, and the intersection line of the symmetrical planes where the elastic buffer assemblies are located is the axis of the anti-impact roller, so that the anti-impact roller can rotate at a constant speed, and the stable operation of equipment is ensured; the baffle plates are arranged on two sides of the scour prevention roller, so that the coal blocks are prevented from being ejected out of the stock bin after passing through the elastic buffer assembly, and the stock bin is arranged below the buffer device of the utility model; the adjustable damping devices are arranged on two sides of the anti-impact roller, the adjustable damping devices can increase the rotating friction force of the anti-impact roller, and the resistance of the adjustable damping devices is adjusted according to the flow velocity of the coal flow, so that the anti-impact roller is driven by the coal flow to rotate uniformly, stably and moderately; the bracket system is provided with the fixed bracket, the first direction adjusting device and the second direction adjusting device, and can adjust the position of the anti-impact roller up, down, left and right, so that the falling points of coal flows with different speeds can be met, the coal flows mainly fall in the middle of the elastic buffer assembly, and the stable operation of equipment is maintained; the elastic buffer component is internally provided with a rigid framework for forming stable installation with the anti-impact roller, and the elastic buffer component is externally coated with an elastic wear-resistant material for absorbing impact and friction of coal flow; the multistage wear-resistant smooth slope chute is arranged on the inner side of the bracket and positioned on the inner side of the second direction adjusting device, so that the speed and the fall of the coal blocks are further reduced through frictional resistance, and the crushing of the coal blocks is further reduced; the reinforcement can form the support to the elastic buffer part on the one hand, and on the other hand can prevent to be blocked by big coal cinder between the elastic buffer subassembly and form the dead angle, and the buffer can be cleared up out automatically to the coal cinder between the elastic buffer subassembly to concave arc's design.

To sum up, the utility model discloses a set up scour protection cylinder and elastic buffer subassembly, when belt transportation coal stream reprints, make its speed slow down, through elastic wear-resisting material absorption impact energy, and through the rotation of scour protection cylinder, and set up adjustable damping device, maintain the scour protection cylinder and rotate at the uniform velocity under the drive of coal stream, can make the position of scour protection cylinder adapt to the drop point of coal stream through the cooperation of fixed bolster, first direction adjusting device and second direction adjusting device; the utility model discloses simple structure, convenient to use all can use elasticity wear-resisting material with the position of coal stream contact, increase substantially life, and once adjust stably, can rely on the impulsive force of coal stream to operate by oneself, need not additionally to provide power, and energy-conservation subtracts consumptive, the utility model discloses can increase substantially the play piece rate of coal, have good economic value, suitable using widely.

Drawings

FIG. 1 is a schematic axial view of the body of the damping device to reduce coal breakage;

FIG. 2 is a schematic view of the operation of the buffering device for reducing coal breakage;

FIG. 3 is a schematic partial cross-sectional view of a buffering device to reduce coal breakage.

In the figure: 1-impact-proof roller, 2-elastic buffer component, 3-roller, 4-reinforcing member, 5-adjustable damping device, 6-fixed support, 7-first direction adjusting device, 8-second direction adjusting device, 9-baffle, 10-rigid framework, 11-elastic wear-resistant material, 12-chute, 14-belt, 15-belt conveyor roller, 16-transfer belt and 17-storage bin.

Detailed Description

In order to make the technical means, features and functions of the present invention easier to understand, the following description and the accompanying drawings in the embodiments of the present invention are combined to make clear and complete the technical solution in the embodiments 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 of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example (b):

as shown in fig. 1 and 2, a buffer device for reducing coal breakage comprises an anti-impact roller 1, an elastic buffer assembly 2 and a support system, wherein a roller 3 is arranged at the axis of the anti-impact roller 1, the anti-impact roller 1 is rotatably connected with the roller 3 through a bearing, the support system comprises a fixed support 6, a first direction adjusting device 7 and a second direction adjusting device 8, the roller 3 is rotatably connected with the fixed support 6 through a bearing, the fixed support 6 can be relatively fixed with the first direction adjusting device 7, and the first direction adjusting device 7 can move in the up-down left-right direction and can be relatively fixed relative to the second direction adjusting device 8;

as shown in fig. 3, the cross section of the elastic buffer assembly 2 is blade-shaped, the elastic buffer assembly 2 is internally provided with a rigid framework 10, the elastic wear-resistant material 11 is externally provided, the elastic buffer assembly 2 is provided with a plurality of elastic buffer assemblies 2 which are uniformly arranged outside the anti-impact roller 1, included angles between two symmetrical surfaces of the elastic buffer assembly 2 are equal, an intersecting line of the symmetrical surfaces of the elastic buffer assemblies 2 is an axis of the anti-impact roller 1, reinforcing members 4 are arranged between two elastic buffer assemblies 2, the reinforcing members 4 are arranged outside the anti-impact roller 1, a fillet is formed between each reinforcing member 4 and the elastic buffer assembly 2, each reinforcing member 4 is concave arc-shaped, and each reinforcing member 4 is made of an elastic wear-resistant material;

baffle plates 9 are arranged on two sides of the anti-impact roller 1, the baffle plates 9 are circular, adjustable damping devices 5 are arranged on the outer sides of the baffle plates 9, the adjustable damping devices 5 are arranged between the baffle plates 9 and the fixed support 6, and the adjustable damping devices are sleeved on the roller 3;

a chute 12 is arranged on the inner side of the second direction adjusting device 8, the chute 12 is a multi-stage smooth slope, the chute 12 is made of elastic wear-resistant materials, a bin 17 is enclosed on the inner side of the second direction adjusting device 8, a hopper is arranged at the bottom of the bin 17, and a transfer belt 16 is arranged at the bottom of the hopper;

when the coal flow anti-impact device is used, coal flow is transported by a belt 14 driven by a belt conveyor roller 15, coal blocks fall into a bin 17 from the tail of the belt 14 at a certain speed, the position of the axle center of the anti-impact roller 1 is fixed by adjusting the relative positions of a first direction adjusting device 7 and a second direction adjusting device 8, the coal flow falls into the middle of an elastic buffer component 2, an adjustable damping device 5 is adjusted to limit the speed of the coal flow impacting the elastic buffer component 2 to drive the anti-impact roller 1 to rotate, the coal flow impacts the elastic buffer component 2, kinetic energy is absorbed by elastic wear-resistant materials outside the elastic buffer component 2, a reinforcing member 4 can reinforce the elastic buffer component 2 and can prevent large coal blocks from being clamped between the elastic buffer components 2, the coal flow is buffered on a chute 12 in the rotating process of the anti-impact roller 1, slides into the bin 17 through the chute 12 and falls into the middle of a transfer belt 16 through a hopper, the coal blocks are transported away through a transfer belt 16;

the utility model discloses can make the coal cinder cushioned in the transportation, reduce speed reduces the straight drop, reduces the breakage that the collision of coal cinder leads to, improves the play piece rate of coal, can create high economic value.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification or equivalent replacement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a reduce broken buffer of coal, its characterized in that, includes elastic buffer subassembly, scour protection cylinder, mounting system, scour protection cylinder both sides axle center department is equipped with the roller bearing, the roller bearing is connected with mounting system, the scour protection cylinder can rotate relative mounting system, the elastic buffer subassembly is equipped with a plurality ofly and evenly installs in the scour protection cylinder outside.

2. The cushioning device for reducing coal breakage of claim 1, wherein said rollers are connected to said anti-impact roller by bearings, said rollers being fixedly connected to said support system or using bearings.

3. The cushioning device for reducing coal breakage of claim 1, wherein said rollers are fixedly attached to said anti-impact roller or attached using bearings, and said rollers are attached to said support system via bearings.

4. The buffering device for reducing coal breakage as claimed in claim 2 or 3, wherein the elastic buffering components are symmetrical bodies, the included angles between the symmetrical surfaces of the elastic buffering components are equal, and the intersecting line of the symmetrical surfaces of the elastic buffering components is the axis of the impact-proof roller.

5. A coal breakage reduction buffering device as claimed in claim 4 wherein baffles are provided on either side of the impingement drum.

6. The cushioning device for reducing coal breakage of claim 5, wherein the impact-resistant roller has adjustable damping devices on both sides thereof, and the adjustable damping devices are sleeved on the outer ring of the roller and located between the baffle and the bracket system.

7. The cushioning device for reducing coal breakage of claim 6, wherein said support system comprises a fixed support, a first direction adjustment device and a second direction adjustment device, said fixed support being connected to said roller, said erosion prevention roller being movable to the left and right by said first direction adjustment device and fixed in position, said first direction adjustment device being movable to the up and down and fixed to said second direction adjustment device.

8. The coal breakage reduction buffering device as claimed in claim 7, wherein the elastic buffering component is internally provided with a rigid skeleton and externally coated with an elastic wear-resistant material.

9. The coal breakage reduction buffering device as claimed in claim 8, wherein the second direction adjustment device is provided with a chute inside, the chute is a multi-stage smooth slope, and the chute is made of wear-resistant elastic material.

10. The coal breakage reducing buffering device as recited in claim 9, wherein a reinforcing member is disposed between two of the elastic buffering components, the reinforcing member is disposed outside the anti-impact roller, a round angle is formed between the reinforcing member and the elastic buffering components, the reinforcing member is in a concave arc shape, and the reinforcing member is made of an elastic wear-resistant material.