CN211197566U - Rubber belt conveyor steering buffering transfer device and coal transfer device - Google Patents

Abstract

A rubber belt conveyor steering buffer transshipment device and a coal transshipment device belong to the technical field of transshipment and transportation of coal and stone. The outer arc angle lining plate (202) and the inner arc angle lining plate (204) are connected to two sides of the spiral descending bottom plate (203), the outer arc vertical plate (201) is fixed to the upper side of the outer arc angle lining plate (202), and the inner arc vertical plate is fixed to the upper side of the inner arc angle lining plate (204) to form a spiral descending coal dropping channel in a surrounding mode. The rubber belt conveyor steering buffering transfer device is connected between the upper rubber belt and the lower rubber belt, the rubber belt conveyor steering buffering transfer device well utilizes the original coal movement speed, kinetic energy is absorbed in the sliding of coal to accelerate, the falling potential energy of the fall accelerates the downward sliding speed of the coal, the speed of the whole sliding process is stable, the coal outlet speed is close to the speed of the lower rubber belt, concentrated abrasion is effectively reduced, and the rubber belt conveyor steering buffering transfer device has good effects in the aspects of preventing material blockage, reducing dust raising, reducing noise and the like.

Description

Rubber belt conveyor steering buffering transfer device and coal transfer device

Technical Field

A rubber belt conveyor steering buffer transshipment device and a coal transshipment device belong to the technical field of transshipment and transportation of coal and stone.

Background

At present, the energy of a coal receiving plate of an impact funnel of a coal dropping pipe is large, the folding angle of the coal dropping pipe has more dead corners, and the coal dropping is easy to hang materials, so that the coal is locally accumulated and blocked; the speed is not uniform, and large extrusion wind is easily formed when the material falls at high speed, so that a large amount of dust is generated; most of belt conveyors have a steering angle close to 90 degrees in transfer, and the impact force of the lower belt is large when coal falls, so that the belt is seriously impacted and damaged; the coal is not centered, the coal scattering phenomenon is serious, and great cleaning workload is caused; coal needs to be accelerated to the tape speed by applying force, and energy is additionally consumed.

In the past, a hopper coal unloading transfer device in a design manual form is used, a curve coal dropping pipe form (the required fall height is large, and the curve coal dropping pipe is basically applied to a ground power plant) is adopted, particularly, the space condition under a coal mine is limited, and a transfer point is still poor due to large impact force, serious damage of an adhesive tape, more coal scattering, large dust, large noise and poor environment.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide a rubber belt conveyor and turn to buffering elevating conveyor and coal transfer device, have the advantage that reduces concentrated wearing and tearing, prevent putty, reduce raise dust, noise reduction.

The utility model provides a technical scheme that its technical problem adopted is: this rubber belt conveyor turns to buffering reprint device, its characterized in that: including outside circular arc riser, outside circular arc angle welt, inboard circular arc riser, inboard circular arc angle welt and spiral decline bottom plate, outside circular arc angle welt and inboard circular arc angle welt are connected in the both sides of spiral decline bottom plate, the upside at outside circular arc angle welt is fixed to outside circular arc riser, the upside at inboard circular arc angle welt is fixed to inboard circular arc riser, outside circular arc angle welt, spiral decline bottom plate, inboard circular arc angle welt and inboard circular arc riser surround and constitute a spiral decline coal chute way, the upper end of coal chute way is equipped with into coal mouth, it sets up with outside circular arc riser and outside circular arc angle welt relatively to advance the coal mouth.

Preferably, the joints of the outer arc vertical plate, the outer arc angle lining plate, the inner arc vertical plate, the inner arc angle lining plate and the spiral descending bottom plate are in tangent connection or arc transitional connection.

Preferably, the inner sides of the outer arc vertical plate, the outer arc angle lining plate, the inner arc vertical plate, the inner arc angle lining plate and the spiral descending bottom plate are all provided with wear-resistant lining plates.

Preferably, the coal discharging device further comprises a U-shaped closing-in coal discharging section, the closing-in coal discharging section is connected to a coal outlet of the coal falling channel, and the cross sectional area of the closing-in coal discharging section is gradually reduced along the direction far away from the coal falling channel.

A coal transfer device which characterized in that: the coal discharging device comprises an upper rubber belt, a lower rubber belt and a rubber belt conveyor steering buffering transfer device, wherein the output end of the upper rubber belt is connected with an unloading roller, the lower rubber belt is arranged below the output end of the upper rubber belt, a coal inlet of the rubber belt conveyor steering buffering transfer device is connected with the output end of the upper rubber belt, the lower part of the rubber belt conveyor steering buffering transfer device is arranged on the lower rubber belt, and the coal discharging direction of the rubber belt conveyor steering buffering transfer device is basically the same as the conveying direction of the lower rubber belt.

Preferably, the rubber belt conveyor steering buffering transfer device further comprises a U-shaped closing-up coal unloading section, the closing-up coal unloading section is connected to a coal outlet of the coal chute, the cross-sectional area of the closing-up coal unloading section is gradually reduced along the direction far away from the coal chute, and the closing-up coal unloading section is located above the middle of the lower rubber belt.

Preferably, a sweeper is arranged between the unloading roller and the steering buffer transfer device of the rubber belt conveyor.

Preferably, a spraying device is arranged above the coal throwing side of the adhesive tape.

Preferably, the upper side of the lower adhesive tape is provided with a dustproof cover plate, a coal outlet of the coal falling channel is provided with a dust collecting cover plate, and the dust collecting cover plate is communicated with the dustproof cover plate through a dust removing pipeline.

Preferably, the included angle between the conveying directions of the upper rubber belt and the lower rubber belt is 0 degree, and the two coal dropping channels with opposite spiral directions are connected between the upper rubber belt and the lower rubber belt in an S shape;

or the included angle between the conveying directions of the upper adhesive tape and the lower adhesive tape is 90 degrees or 180 degrees.

Compared with the prior art, the technical scheme of the steering buffer transfer device of the rubber belt conveyor has the beneficial effects that:

the original coal movement speed of the fine utilization of this rubber belt conveyor steering buffering transshipment device, the coal inlet sets up with outside circular arc riser and outside circular arc angle welt relatively and contacts with the coal as the coal receiving section at first, then as the foreshadowing of follow-up coal and coal breakage passageway contact site, the kinetic energy that the device is strikeed to the coal is absorptive gradually, and the foreshadowing energy absorption reduces the impact, it is accelerated to absorb kinetic energy in the slip of coal, the potential energy of drop accelerates the coal gliding speed again, whole landing process speed is more steady, make coal outlet speed be close to the speed of rubber belt down, effectively reduce concentrated wearing and tearing, prevent the putty, reduce the raise dust, there is fine effect in the aspect of noise reduction etc.

Drawings

Fig. 1 is a schematic view of an embodiment 1 of the turning, buffering and transferring device of the belt conveyor.

Fig. 2 is a perspective view of a coal transfer device in accordance with example 1.

FIG. 3 is a front view of embodiment 1 of a coal transfer device.

FIG. 4 is a top view of example 1 of a coal transfer device.

FIG. 5 is a schematic view of an example 2 of a coal transfer device.

FIG. 6 is a perspective view of embodiment 2 of a coal transfer device.

FIG. 7 is a schematic view of example 3 of a coal transfer device.

Wherein: 1. the device comprises an upper rubber belt 2, a rubber belt conveyor steering buffer transfer device 3, a lower rubber belt 4, an unloading roller 5, a dustproof cover plate 6, a sweeper 7, a closing-up coal unloading section 8, a dust collection cover plate 9, a dust removal pipeline 10, a supporting beam 11, a vibrating screen 201, an outer arc vertical plate 202, an outer arc angle lining plate 203, a spiral descending bottom plate 204, an inner arc angle lining plate 205, an inner arc vertical plate 206 and a coal inlet.

Detailed Description

Fig. 1 to 4 are preferred embodiments of the steering buffer transfer device of the belt conveyor, and the present invention will be further explained with reference to fig. 1 to 7.

Example 1

Referring to fig. 1, the steering buffering transshipment device of the belt conveyor comprises an outer arc vertical plate 201, an outer arc angle lining plate 202, an inner arc vertical plate 205, an inner arc angle lining plate 204 and a spiral descending bottom plate 203, wherein the outer arc angle lining plate 202 and the inner arc angle lining plate 204 are connected to two sides of the spiral descending bottom plate 203, the outer arc vertical plate 201 is fixed on the outer arc angle lining plate 202, the inner arc vertical plate 205 is fixed on the inner arc angle lining plate 204, the outer arc vertical plate 201, the outer arc angle lining plate 202, the spiral descending bottom plate 203, the inner arc angle lining plate 204 and the inner arc vertical plate 205 surround to form a spiral descending coal dropping channel, a coal inlet 206 is arranged at the upper end of the coal dropping channel, and the coal inlet 206 is arranged opposite to the outer arc vertical plate 201 and the outer arc angle lining plate.

The joints of the outer arc vertical plate 201, the outer arc angle lining plate 202, the inner arc vertical plate 205, the inner arc angle lining plate 204 and the spiral descending bottom plate 203 are all in tangent connection or arc transition connection. The whole coal falling process of the coal has no dead angle and blockage, no coal accumulation and smooth coal sliding. The inner sides of the outer arc vertical plate 201, the outer arc angle lining plate 202, the inner arc vertical plate 205, the inner arc angle lining plate 204 and the spiral descending bottom plate 203 are all provided with wear-resistant lining plates, after the spiral descending bottom plate is used for a certain time, the wear-resistant lining plates are worn, only the corresponding wear-resistant lining plates need to be replaced, the whole equipment does not need to be disassembled, and the maintenance time is shortened.

Referring to fig. 2~4, the embodiment of the utility model provides a coal transfer device is still provided, including rubber belt 1, lower rubber belt 3 and rubber belt conveyor turn to buffering reprinting device 2, the uninstallation cylinder 4 is connected to rubber belt 1 output, lower rubber belt 3 sets up the below at rubber belt 1 output, rubber belt conveyor turns to buffering reprinting device 2's the output that goes up rubber belt 1 in advance coal mouth 206, rubber belt conveyor turns to the lower part setting of buffering reprinting device 2 on rubber belt 3 down, rubber belt conveyor turns to buffering reprinting device 2's the coal direction of play and the direction of delivery of lower rubber belt 3 substantially the same.

The rubber belt conveyor steering buffer transfer device 2 further comprises a U-shaped closing-in coal unloading section 7, the closing-in coal unloading section 7 is connected to a coal outlet of the coal chute, the cross-sectional area of the closing-in coal unloading section 7 is gradually reduced along the direction far away from the coal chute, and the closing-in coal unloading section 7 is positioned above the middle part of the lower rubber belt 3. A sweeper 6 is arranged between the unloading roller 4 and the rubber belt conveyor steering buffer transfer device 2. And a spraying device is arranged above the coal throwing side of the adhesive tape 1. Go up sticky tape 1 and be 90 degrees with the direction of delivery contained angle of lower sticky tape 3, in order to further reduce the raise dust, the upside of sticky tape 3 is equipped with dust cover 5 down.

The original coal movement speed of the fine utilization of this rubber belt conveyor steering buffering transshipment device 2, coal inlet 206 sets up with outside circular arc riser 201 and outside circular arc angle welt 202 relatively and contacts with the coal as the coal receiving section first, then as the foreshadowing of follow-up coal and coal breakage passageway contact site, the kinetic energy of the device to coal impact is absorbed gradually, and the foreshadowing energy absorption reduces the impact, it is accelerated to absorb kinetic energy in the slip of coal, the potential energy of drop accelerates the coal gliding speed again, whole landing process speed is more steady, make coal outlet speed be close to the speed of rubber belt 3 down, effectively reduce concentrated wearing and tearing, have fine effect in the aspect of preventing putty, reduce raise dust, noise reduction etc.

According to the coal falling operation condition, three points including an outer side point a, a center line point b and an inner measuring point c which are most characterized are selected for carrying out speed and resultant force analysis, the coal block on the outer side is thrown and impacts to a point a of an outer arc surface, the coal on the outermost side is firstly contacted with the outer arc vertical plate 201, the included angle between the coal operation direction and the tangent line of the point of the outer arc vertical plate 201a is minimum, the impact component force in the normal direction of the outer arc vertical plate 201 is minimum, the impact force is minimum, the component force in the tangent direction is large, and the falling speed is small at the moment; the coal dropping point b of the center line coal has the largest middle coal amount of the adhesive tape, the included angle between the running speed direction of the coal and the tangent line of the point b of the outer arc vertical plate 201 is increased, the impact component force in the normal direction of the outer arc vertical plate 201 is increased, the tangent component force is reduced, the descending speed is accelerated, but the coal outside the point a is firstly redirected to slide to the point b in the middle, the coal at the center line point impacts the outer arc vertical plate 201 to play a cushion buffer role, the coal outside moves downwards to push and push the coal dropping at the point b, and the coal dropping point b can also move smoothly. The coal c falling point of the inner side coal has the largest included angle between the running speed direction of the coal and the tangent line of the point c of the outer arc vertical plate 201, most of the kinetic energy of the coal of the point c is acted on the outer arc vertical plate 201 in a segmented mode, the positive pressure is largest, the friction force is increased, the component force in the tangent direction is smallest, the falling speed of the coal of the point c is increased, and the coal of the point c is pushed to move tangentially and downwards under the cushioning effect of the bedding of the coal of the outer side and the coal of the middle line. The impact force of the coal at the point a on the outer side to the arc vertical plate 201 is reduced, the friction is small, and the service life is prolonged; the front impact force is small, and the generated noise is small; the coal on the inner side is cushioned, the impact force of the whole coal receiving is reduced, and the noise of the whole coal impact is also reduced.

The point c to the point d are designed for turning and speed regulation, the coal falling direction is adjusted according to the speed V1 of the upper adhesive tape 1 and the speed V2 of the lower adhesive tape 3, the coal falling speed is reduced, the coal falling direction is consistent with the running speed and the direction of the lower adhesive tape 3, and the speed is close to the running speed of the lower adhesive tape 3; the d-e section is a U-shaped closing-in coal unloading section, is combined with the guide chute and accurately unloads coal to the central line of the lower rubber belt 3; because the speed and the direction of the coal falling are consistent with those of the lower adhesive tape 3, the fall is small, the impact of the coal blocks on the adhesive tape is small, the accidents of abrasion and damage to the adhesive tape are reduced to the maximum extent, and the coal does not need to be accelerated to the energy required by V2 again.

The transferring coal dropping dust production mainly comprises dust produced in the coal dropping process and dust produced at a coal dropping point. The former transfer point is firstly thrown onto the opposite coal receiving plate, the speed direction of the coal on the upper rubber belt 1 is reduced to zero, the impact force is small in a large area, the throwing distance is shortened by the device, the coal on the outer side is thrown to be short and then reaches the coal receiving plate, the speed change is small, so that the generated dust is small, the throwing distance of the coal on the middle side and the inner side is lengthened (certainly, compared with the conventional coal falling mode, the distance is about half short), the dust is only half of the original dust, the coal receiving point is buffered by a bedding, and the coal receiving point still slides downwards at the speed close to V1, so that the small dust is generated. The coal falling process basically generates no dust, the fall of the coal falling point is small, the coal falling distance is short, the coal speed is consistent with the rubber belt speed, and the dust production of coal throwing and coal receiving of the coal falling point is small.

The kinetic energy of the coal receiving plate of the steering buffering coal dropping device on coal impact is gradually absorbed, the coal receiving plate is padded to absorb energy and reduce impact, the kinetic energy is absorbed in the coal sliding process to accelerate, the falling potential energy accelerates the coal sliding speed, the speed of the whole sliding process is relatively stable, an arc line is designed to be C-shaped or S-shaped according to the space environment and the falling height to increase the friction force, and the speed of a lower opening is close to the speed V2 of the lower adhesive tape 3.

The turning buffering coal dropping device is designed to be connected with all arcs and tangents, so that the whole coal dropping process of coal has no dead angle and blockage, and no accumulated coal smoothly slides down. 5 curved surfaces: the connecting points of the 5 curved surfaces are all arc and arc or tangent connection of the arc and the curved surface, so that smooth movement of the coal flow is ensured, and no coal accumulation point exists. The cambered surface and the track calculate and optimally design the parameters of the above 5 curved surfaces according to the included angle and the fall between the upper adhesive tape 1 speed V1 and the lower adhesive tape 3 speed V2, the included angle and the fall between V1 and V2 and the space distance between the unloading roller 4 and the lower adhesive tape 3, so that the impact on the lower adhesive tape 3 is small, the vibration is small, the noise is small, the dust is small, the impact on the lower adhesive tape 3 is small, no blockage and no coal accumulation exist in the coal transferring and landing process, and the landing is smooth.

Example 2

Referring to fig. 5 to 6, in this embodiment, the included angle between the conveying directions of the upper rubber belt 1 and the lower rubber belt 3 is 180 degrees, the turning buffering transfer device 2 of the rubber belt conveyor is spirally connected between the upper rubber belt 1 and the lower rubber belt 3, and the turning buffering transfer device 2 of the rubber belt conveyor is further connected with a supporting beam 10. A vibrating screen 11 is arranged at a discharge opening at the lower part of the steering buffer transfer device 2 of the rubber belt conveyor. In order to further reduce the dust emission, a dust cover 5 is provided on the upper side of the lower tape 3.

Example 3

Referring to fig. 7, in this embodiment, the included angle between the upper tape 1 and the lower tape 3 in the conveying direction is 0 degree, and two coal dropping passages with opposite spiral directions are connected between the upper tape 1 and the lower tape 3 in an S-shape. In order to further reduce the raised dust, the upper side of the lower adhesive tape 3 is provided with a dustproof cover plate 5, a coal outlet of the coal falling channel is provided with a dust collecting cover plate 8, and the dust collecting cover plate 8 is communicated with the dustproof cover plate 5 through a dust removing pipeline 9. The coal at the dust collection cover plate 8 forms negative pressure after flowing, and dust generated at the lower adhesive tape 3 is sucked away, so that unpowered dust collection is realized.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a rubber belt conveyor turns to buffering elevating conveyor which characterized in that: comprises an outer arc vertical plate (201), an outer arc angle lining plate (202), an inner arc vertical plate (205), an inner arc angle lining plate (204) and a spiral descending bottom plate (203), the outer circular arc angle lining plate (202) and the inner circular arc angle lining plate (204) are connected to two sides of the spiral descending bottom plate (203), the outer circular arc vertical plate (201) is fixed to the upper side of the outer circular arc angle lining plate (202), the inner circular arc vertical plate (205) is fixed to the upper side of the inner circular arc angle lining plate (204), the outer circular arc vertical plate (201), the outer circular arc angle lining plate (202), the spiral descending bottom plate (203), the inner circular arc angle lining plate (204) and the inner circular arc vertical plate (205) are surrounded to form a spiral descending coal dropping channel, a coal inlet (206) is arranged at the upper end of the coal dropping channel, and the coal inlet (206) is arranged opposite to the outer circular arc vertical plate (201) and the outer circular arc angle.

2. The belt conveyor turning cushion transfer device of claim 1, wherein: the joints of the outer arc vertical plate (201), the outer arc angle lining plate (202), the inner arc vertical plate (205), the inner arc angle lining plate (204) and the spiral descending bottom plate (203) are in tangent connection or arc transition connection.

3. The belt conveyor turning buffer transfer device according to claim 1 or 2, characterized in that: and wear-resistant lining plates are arranged on the inner sides of the outer arc vertical plate (201), the outer arc angle lining plate (202), the inner arc vertical plate (205), the inner arc angle lining plate (204) and the spiral descending bottom plate (203).

4. The belt conveyor turning cushion transfer device of claim 1, wherein: the coal feeding device also comprises a U-shaped closing-in coal unloading section (7), the closing-in coal unloading section (7) is connected with a coal outlet of the coal falling channel, and the cross sectional area of the closing-in coal unloading section (7) is gradually reduced along the direction far away from the coal falling channel.

5. A coal transfer device which characterized in that: the belt conveyor steering buffer transfer device (2) comprises an upper rubber belt (1), a lower rubber belt (3) and the belt conveyor steering buffer transfer device (2) as claimed in any one of claims 1 to 4, wherein the output end of the upper rubber belt (1) is connected with an unloading roller (4), the lower rubber belt (3) is arranged below the output end of the upper rubber belt (1), a coal inlet (206) of the belt conveyor steering buffer transfer device (2) is connected with the output end of the upper rubber belt (1), the lower part of the belt conveyor steering buffer transfer device (2) is arranged on the lower rubber belt (3), and the coal outlet direction of the belt conveyor steering buffer transfer device (2) is basically the same as the conveying direction of the lower rubber belt (3).

6. The coal transfer device of claim 5, wherein: the rubber belt conveyor steering buffer transfer device (2) further comprises a U-shaped closing-in coal unloading section (7), the closing-in coal unloading section (7) is connected to a coal outlet of the coal chute, the cross-sectional area of the closing-in coal unloading section (7) is gradually reduced along the direction far away from the coal chute, and the closing-in coal unloading section (7) is located above the middle of the lower rubber belt (3).

7. The coal transfer device of claim 5, wherein: and a sweeper (6) is arranged between the unloading roller (4) and the steering buffer transfer device (2) of the rubber belt conveyor.

8. The coal transfer device of claim 5, wherein: and a spraying device is arranged above the coal throwing side of the upper adhesive tape (1).

9. The coal transfer device of claim 5, wherein: the upside of lower sticky tape (3) is equipped with dustproof apron (5), and the coal outlet of coal breakage passageway sets up and gathers dust apron (8), gathers dust and communicates through dust removal pipeline (9) between apron (8) and the dustproof apron (5).

10. The coal transfer device of claim 5, wherein: the included angle of the conveying directions of the upper adhesive tape (1) and the lower adhesive tape (3) is 0 degree, and two coal dropping channels with opposite spiral directions are connected between the upper adhesive tape (1) and the lower adhesive tape (3) in an S shape;

or the included angle between the conveying directions of the upper adhesive tape (1) and the lower adhesive tape (3) is 90 degrees or 180 degrees.

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