Automobile and train dual-purpose conveying system for coal bunker discharging

Abstract

The utility model relates to an automobile and train dual-purpose conveying system for coal bunker blanking. A lifting cross rod (24) is in contact with the lower surface of an upper straight section (11); an upper straight section (11) of the screening conveying belt (10) is used for receiving, conveying and screening coal discharged by a coal bunker discharging pipe (12), the coal with the size meeting the requirement falls onto a qualified product conveying belt (21), and the coal which does not meet the requirement continues to be conveyed along the screening conveying belt (10); meanwhile, a quick-return vertical rod (23) can slide upwards at a low speed and slide downwards at a high speed along a supporting plate (22), so that a lifting transverse rod (24) acts on an upper straight section (11) and a coal material of a corresponding part, and after the coal material is jacked upwards at a low speed, the coal material descends quickly under the action of inertia and gravity to be vibrated, the screening process is facilitated, and the screening efficiency is improved. And the poor screening effect and the influence on the use efficiency of the coal materials caused by coal material accumulation are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal production technical field especially a coal bunker unloading automobile train dual -purpose conveying system. BACKGROUND

[0002] Coal is mainly composed of carbon, hydrogen, oxygen, nitrogen, sulfur and phosphorus elements, is very important energy, also is important raw material of metallurgy, chemical industry. In order to improve the use efficiency, generally needs to break coal into smaller coal and store in coal bunker. The utility model discloses a kind of receiving conveying devices for coal bunker unloading, conveying device is conveyed to the coal that falls by coal bunker discharge pipe on screening conveyor, screening conveyor can screen coal and transport coal to coal use area, to ensure the supply efficiency and use efficiency of coal. But the above scheme when using, coal on screening conveyor is prone to accumulation and leads to poor screening effect, still can affect the use efficiency of coal. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem in prior art that receiving conveying device for coal bunker unloading when using, coal on screening conveyor is prone to accumulation and leads to poor screening effect, still can affect the use efficiency of coal.

[0004] To solve the above problem, the utility model provides a kind of coal bunker unloading automobile train dual -purpose conveying system, the upper straight section of screening conveyor is used to receive and convey the coal that is discharged by coal bunker discharge pipe, and the lower side of the upper straight section is provided with a qualified product conveying belt perpendicular to its running direction;Both sides of the screening conveyor are provided with support plates, and the support plates are slidably provided with quick-return vertical rods, a lifting cross bar is connected between the two quick-return vertical rods, and the lifting cross bar is in contact with the lower surface of the upper straight section.

[0005] The coal bunker unloading automobile train dual -purpose conveying system provided by the utility model also has the following technical features:

[0006] A motor is arranged on the support plate, and the output end of the motor is connected with a rotating disc, a plurality of grooves are arranged on the outer circumferential surface of the rotating disc and spaced apart along the circumferential direction, and the end of the lifting cross bar is in contact with the outer circumferential surface of the rotating disc or the groove bottom;The grooves include a falling section and a lifting section.

[0007] The quick-return vertical rod is a square rod, a square hole corresponding to the quick-return vertical rod is formed in the support plate, an installation plate is arranged on the quick-return vertical rod, and a spring is arranged between the installation plate and the support plate.

[0008] A guide plate is arranged below the upper straight section, and the two guide plates are arranged on both sides of the qualified product conveying belt, and the guide plates are inclined from far to close to the qualified product conveying belt from top to bottom.

[0009] Side baffles are arranged on both sides of the guide plate.

[0010] The screening conveyor belt is provided with a recycling box away from one side of the coal bunker discharge pipe.

[0011] The utility model has the advantages that the upper straight section of the screening conveyor belt receives, conveys and screens the coal discharged from the coal bunker discharge pipe, the coal meeting the size requirements falls onto the qualified product conveyor belt, and the coal not meeting the requirements is continuously conveyed along the screening conveyor belt; meanwhile, the quick-return vertical rod can slowly slide upward and quickly slide downward along the supporting plate, so that the lifting cross rod acts on the coal in the upper straight section and the corresponding part, and the coal is slowly lifted upward and then quickly falls downward under the action of inertia and gravity to be vibrated, which facilitates the screening process and avoids poor screening effect caused by coal accumulation and affects the use efficiency of the coal. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view of the utility model;

[0013] Figure 2 It is an axonometric view of the utility model;

[0014] Figure 3 It is a partial structure schematic view of Figure 2 ; It is a partial structure schematic view of

[0015] Figure 4 It is a partial enlarged view of Figure 3 ; It is a partial enlarged view of

[0016] Figure 5 It is a shape schematic view of the turntable. DETAILED DESCRIPTION

[0017] Hereinafter, the utility model will be described in detail with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0018] As shown in Figures 1 to 5 , the utility model coal bunker discharging automobile and train dual-purpose conveying system, the upper straight section 11 of the screening conveyor belt 10 is used for receiving and conveying the coal discharged from the coal bunker discharge pipe 12, and the lower side of the upper straight section 11 is provided with a qualified product conveyor belt 21 perpendicular to the running direction thereof; the two sides of the screening conveyor belt 10 are provided with supporting plates 22, a plurality of supporting legs 14 are arranged on the supporting plates 22, and quick-return vertical rods 23 are slidably arranged on the supporting plates 22; the two quick-return vertical rods 23 are connected with a lifting cross rod 24, and the lifting cross rod 24 is in contact with the lower surface of the upper straight section 11.

[0019] The upper straight section 11 of the screening conveyor belt 10 receives, conveys and screens the coal discharged from the coal bunker discharge pipe 12, and the coal meeting the size requirements falls onto the qualified product conveyor belt 21, and the coal not meeting the size requirements will continue to be conveyed along the screening conveyor belt 10; meanwhile, the quick-return vertical rod 23 can slowly slide upward and quickly slide downward along the support plate 22, so that the lifting cross rod 24 acts on the coal on the upper straight section 11 and the corresponding part, and the coal is slowly lifted upward and then quickly falls downward under the action of inertia and gravity to be vibrated, thereby facilitating the screening process and avoiding poor screening effect caused by coal accumulation and affecting the use efficiency of the coal.

[0020] The screening conveyor belt 10 is uniformly provided with a plurality of screen holes 13 according to requirements. The screening conveyor belt 10 and the qualified product conveyor belt 21 are both correspondingly provided with a conveying motor, a conveying roller and corresponding power supply and control modules, and the length and width of the screening conveyor belt 10 and the qualified product conveyor belt 21 are not limited here, and the specific setting and arrangement mode can be selected according to actual application. In addition, the two sides of the screening conveyor belt 10 and the qualified product conveyor belt 21 are both provided with a lateral blocking mechanism, so that the coal is always conveyed in the middle of the conveyor belt to avoid spilling.

[0021] Preferably, the support plate 22 is provided with a motor 25, the output end of the motor 25 is connected with a rotating disc 26, a plurality of grooves 27 are spaced apart along the circumferential direction of the outer circumferential surface of the rotating disc 26, and the end of the lifting cross rod 24 is in contact with the outer circumferential surface of the rotating disc 26 or the groove bottom of the groove 27.

[0022] The grooves 27 include a falling-back section 28 and a lifting-up section 29. Figure 5 The falling-back section 28 and the lifting-up section 29 are correspondingly connected at one end close to each other and are correspondingly connected at the other end away from each other with the outer circumferential surface of the rotating disc 26, and the corresponding connection portions are both provided with a round corner, so that the movement of the lifting cross rod 24 is smoother. The falling-back section 28 is arranged along the radial direction of the rotating disc 26.

[0023] The output end of the motor 25 drives the rotating disc 26 to rotate, so that the lifting cross rod 24 relatively moves along the circumferential direction of the rotating disc 26. When the lifting cross rod 24 relatively moves along the outer circumferential surface of the rotating disc 26, the vertical position of the lifting cross rod 24 does not change. When the lifting cross rod 24 gradually moves from the lifting-up section 29 to the outer circumferential surface of the rotating disc 26, the lifting cross rod 24 slowly rises. When the lifting cross rod 24 gradually moves from the outer circumferential surface of the rotating disc 26 to the falling-back section 28, the lifting cross rod 24 quickly falls.

[0024] The output ends of the motors 25 on the two sides of the screening conveyor belt 10 are correspondingly arranged in rotation direction, the motors 25 are correspondingly provided with power supply and control modules, and the grooves 27 on the two rotating discs 26 are correspondingly arranged, so that the lifting cross rod 24 moves horizontally up and down.

[0025] Preferably, referring toFigure 4 The quick-return vertical rod 23 is a square rod, the support plate 22 is provided with a square hole 30 corresponding to the quick-return vertical rod 23, the quick-return vertical rod 23 is provided with a mounting plate 31, a spring 32 is arranged between the mounting plate 31 and the support plate 22, the lifting cross rod 24, the mounting plate 31 and the spring 32 are arranged on the quick-return vertical rod 23 from top to bottom, and the spring 32 is a tension spring.

[0026] Preferably, the upper straight section 11 is provided with a material guide plate 33 below, two material guide plates 33 are arranged on both sides above the qualified product conveying belt 21, and the material guide plates 33 are arranged from top to bottom and from far to close to the qualified product conveying belt 21.

[0027] Under the action of the screening conveying belt 10, the coal meeting the size requirement is screened out through the screen hole 13 on the upper straight section 11 and falls onto the qualified product conveying belt 21 along the material guide plate 33, and the material guide plate 33 is installed on the support plate 22 through a support rod 34.

[0028] Preferably, the two sides of the material guide plate 33 are provided with side baffles 35 to prevent the coal from spilling when moving on the material guide plate 33.

[0029] Preferably, the side of the screening conveying belt 10 far from the coal bunker discharge pipe 12 is provided with a recovery box 15 for recovering the coal not meeting the size requirement.

[0030] In use, the qualified product conveying belt 21 conveys the coal meeting the size requirement to a coal storage area for storage or directly to a car hopper for transportation. The coal not meeting the size requirement collected in the recovery box 15 is conveyed to a crusher or other crushing equipment for secondary crushing until the size requirement is met.

[0031] The working principle of the utility model is as follows:

[0032] The upper straight section 11 of the screening conveying belt 10 receives, conveys and screens the coal discharged from the coal bunker discharge pipe 12, the coal meeting the size requirement falls onto the qualified product conveying belt 21 along the material guide plate 33 and is conveyed to a coal storage area for storage or directly to a car hopper for transportation, and the coal not meeting the size requirement is continuously conveyed to the recovery box 15 along the screening conveying belt 10; while the upper straight section 11 of the screening conveying belt 10 receives, conveys and screens the coal, the output end of the motor 25 drives the rotating disc 26 to rotate, the lifting cross rod 24 moves along the circumference of the rotating disc 26, the quick-return vertical rod 23 can slowly slide upwards and quickly slide downwards along the support plate 22, the lifting cross rod 24 acts on the coal on the upper straight section 11 and the corresponding part, the coal is slowly lifted upwards and then quickly falls under the action of inertia and gravity to be vibrated, the screening process is facilitated, the screening effect is improved, and the use efficiency of the coal is improved.

[0033] Finally, it should be noted that the above examples are intended to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A coal bunker unloading car and train dual-purpose conveying system, characterized in that: The upper straight section (11) of the screening conveyor belt (10) is used to receive and convey the coal discharged from the coal bunker discharge pipe (12), and a qualified product conveyor belt (21) perpendicular to its running direction is provided below the upper straight section (11); support plates (22) are provided on both sides of the screening conveyor belt (10), and a quick return vertical rod (23) is slidably provided on the support plate (22), and a lifting cross rod (24) is connected between the two quick return vertical rods (23), and the lifting cross rod (24) is in contact with the lower surface of the upper straight section (11).

2. The coal bunker unloading car and train dual-purpose conveying system according to claim 1 is characterized in that: The support plate (22) is provided with a motor (25), the output end of the motor (25) is connected to a turntable (26), a plurality of grooves (27) are provided on the outer circumferential surface of the turntable (26) at intervals along its circumference, and the end of the lifting cross bar (24) contacts the outer circumferential surface of the turntable (26) or the bottom of the groove (27); the groove (27) includes a falling section (28) and a lifting section (29).

3. The coal bunker unloading car and train dual-purpose conveying system according to claim 1 is characterized in that: The quick return vertical rod (23) is a square rod. A square hole (30) corresponding to the quick return vertical rod (23) is provided on the support plate (22). A mounting plate (31) is provided on the quick return vertical rod (23). A spring (32) is provided between the mounting plate (31) and the support plate (22).

4. The coal bunker unloading car and train dual-purpose conveying system according to claim 1 is characterized in that: A guide plate (33) is provided below the upper straight section (11). The two guide plates (33) are correspondingly arranged on both sides of the qualified product conveyor belt (21). The guide plates (33) are inclined from top to bottom and from away from to close to the qualified product conveyor belt (21).

5. The coal bunker unloading car and train dual-purpose conveying system according to claim 4 is characterized in that: Side baffles (35) are provided on both sides of the guide plate (33).

6. The coal bunker unloading car and train dual-purpose conveying system according to claim 1 is characterized in that: A recovery box (15) is provided on the side of the screening conveyor belt (10) away from the coal bunker discharge pipe (12).

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