Belt conveyor capable of improving material returning efficiency

Abstract

The utility model discloses a belt conveyor capable of improving material returning efficiency, which comprises a protective frame, a conveying belt is arranged in the protective frame, transmission shafts are arranged at two ends of the conveying belt, the transmission shafts are rotatably connected with the protective frame, a motor is arranged at one end of one transmission shaft, the motor is fixedly connected with the protective frame, and the other end of the other transmission shaft is fixedly connected with the protective frame. A screening frame is arranged at one end of the protective frame, a round hole plate is fixedly connected to the top of the screening frame, a pulverized coal box is inserted into the screening frame, and a coal rod box is arranged at the end, away from the protective frame, of the screening frame. Pulverized coal and coal rods in a coal mine can be screened and separated through the round hole plate, the pulverized coal in the coal mine enters the pulverized coal box through the round hole plate, the coal rods in the coal mine roll into the coal rod box, the pulverized coal box and the coal rod box can be pulled out through the handle, the pulverized coal and the coal rods can be cleaned conveniently, and therefore the material returning efficiency is improved, and the coal returning efficiency is improved. And pulverized coal and coal rods can be conveniently and separately transported, and the quality of briquette coal manufacturing is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of belt conveyors, in particular to a belt conveyor for improving material return efficiency. Background Art

[0002] Coal mine belt conveyor is a mechanical equipment used to transport coal, usually by belt conveyor. The main function of coal mine belt conveyor is to transport coal from the coal mining face to the ground or underground storage location. There are many types and specifications of coal mine belt conveyors, the most common ones are fixed belt conveyors, mobile belt conveyors, telescopic belt conveyors, etc. The advantages of coal mine belt conveyors are high conveying efficiency, long conveying distance, wide application range, etc., which are suitable for coal mines, ports, docks and other industries.

[0003] In the prior art, Chinese patent CN207226264U discloses a retractable coal mine belt conveyor, including a support rod and a slide rod, a retractable plate is provided on one side of the support rod, and a No. 2 drive motor is provided on one side of the No. 1 drive motor, a hydraulic water tank is provided on the upper end of the shelf, a water pipe is provided on the upper end of the hydraulic water tank, a slide groove is provided on the outer surface of the load-bearing platform, the slide rod and the slide groove are movably connected, a connecting pipe is provided on one side of the No. 1 conveyor belt, and a No. 2 conveyor belt is provided at one end of the connecting pipe. The retractable coal mine belt conveyor described in the utility model is provided with a No. 2 drive motor, a hydraulic water tank, a slide groove and a slide rod, and can enable the No. 2 drive motor as a backup motor when a problem occurs with the No. 1 drive motor, which will not affect the work, and can facilitate the cleaning of the belt conveyor, and can move on the slide groove through the slide rod to achieve the telescopic function, suitable for different working conditions, and bring better prospects for use.

[0004] However, the retractable coal mine belt conveyor provided in the above technical solution still has many shortcomings in actual use. For example, in the process of returning coal to the coal mine, the separation effect of coal powder and coal rods is not ideal, resulting in low return efficiency, and coal powder and coal rods are easily mixed during transportation, resulting in unstable transportation, which is easy to affect the quality of coal molding. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In order to solve the problems proposed in the above background technology that the separation effect of coal powder and coal rods is not ideal during the return process of coal mine by the coal mine belt conveyor, resulting in low return efficiency, and coal powder and coal rods are easily mixed during transportation, causing unstable transportation, which easily affects the quality of coal mold manufacturing, the utility model adopts the following technical solution.

[0007] A belt conveyor for improving material return efficiency comprises a protective frame, a conveyor belt is arranged inside the protective frame, transmission shafts are arranged at both ends of the conveyor belt, and the transmission shaft and the protective frame are rotatably connected, a motor is arranged at one end of one of the transmission shafts, and the motor and the protective frame are fixedly connected, the output shaft of the motor is fixedly connected to the transmission shaft, a screening frame is arranged at one end of the protective frame, the screening frame and the protective frame are connected by bolts, a circular hole plate is fixedly connected to the top of the screening frame, a coal powder box is plugged into the screening frame, a coal rod box is arranged at the end of the screening frame away from the protective frame, and the coal rod box and the screening frame are plugged in.

[0008] Preferably, the circular hole plate is arranged on the screening frame in an inclined state, and the circular hole plate and the screening frame form an integrated structure. A plurality of circular holes are evenly distributed on the circular hole plate, and the apertures of the circular holes increase from top to bottom.

[0009] Preferably, a handle is fixedly connected to one end of the coal powder box and the coal rod box, and a partition is provided inside the coal powder box, and the vertical center line of the partition coincides with the vertical center line of the coal powder box.

[0010] Preferably, baffles are provided at both ends of the screening frame, the baffles and the screening frame are an integrated structure, and the baffles are symmetrical about the vertical center line of the screening frame.

[0011] Preferably, a guide plate is provided between the two baffles, and the guide plate and the baffle are connected via a connecting shaft, and locking rings are threadedly connected to both ends of the connecting shaft.

[0012] Preferably, a movable plate is provided at one end of the protective frame, and wiper plates are fixedly connected to the top and bottom of the movable plate. The top wiper plate of the movable plate is in contact with the bottom of the conveyor belt, and the bottom wiper plate of the movable plate is in contact with the inner bottom surface of the protective frame. Electric slide rails for the movable plate to slide are provided on both sides of the interior of the protective frame.

[0013] Preferably, the bottom of the protection frame and the bottom of the screening frame are fixedly connected with lifting rods, the bottom ends of multiple lifting rods are fixedly connected with the same mounting plate, the bottom of the mounting plate is fixedly connected with a soft rubber pad, and threaded holes are provided at the four corners of the mounting plate. Beneficial Effects

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model starts the motor to rotate the transmission shaft, and cooperates with the use of the conveyor belt on the protection frame to transport the coal from the feeding port to the screening frame. The locking ring is loosened and the use of the connecting shaft can adjust the inclination angle of the guide plate, so that the coal on the conveyor belt can be introduced into the circular hole plate through the guide plate. The circular hole plate can be used to screen and separate the coal powder and coal rods in the coal mine, so that the coal powder in the coal mine enters the coal powder box through the circular hole plate, and the coal rods in the coal mine roll into the coal rod box. The coal powder box and the coal rod box can be pulled out by the handle, which is convenient for cleaning the coal powder and coal rods, thereby improving the return efficiency, facilitating the separate transportation of coal powder and coal rods, and ensuring the quality of briquette manufacturing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the rear end three-dimensional structure of the utility model;

[0018] Figure 3 It is a partial three-dimensional structural schematic diagram of the utility model;

[0019] Figure 4 It is a schematic diagram of the overall side view structure of the utility model;

[0020] Figure 5 It is a schematic diagram of the overall top view structure of the utility model.

[0021] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0022] 1. Protective frame; 2. Conveyor belt; 3. Drive shaft; 4. Motor; 5. Screening frame; 6. Round hole plate; 7. Coal powder box; 8. Coal rod box; 9. Handle; 10. Partition; 11. Baffle; 12. Guide plate; 13. Connecting shaft; 14. Locking ring; 15. Movable plate; 16. Wipe plate; 17. Electric slide rail; 18. Lifting rod; 19. Mounting plate; 20. Soft rubber pad. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0026] See also Figure 1-5 The utility model provides an embodiment: a belt conveyor for improving the efficiency of returning materials, comprising a protection frame 1, a conveyor belt 2 is arranged inside the protection frame 1, transmission shafts 3 are arranged at both ends of the conveyor belt 2, and the transmission shaft 3 and the protection frame 1 are rotatably connected, a motor 4 is arranged at one end of one transmission shaft 3, and the motor 4 and the protection frame 1 are fixedly connected, the output shaft of the motor 4 is fixedly connected to the transmission shaft 3, a screening frame 5 is arranged at one end of the protection frame 1, and the bottom of the protection frame 1 and the bottom of the screening frame 5 are fixedly connected with lifting rods 18, and the bottom ends of the plurality of lifting rods 18 are fixedly connected with The same mounting plate 19 has a soft rubber pad 20 fixedly connected to the bottom of the mounting plate 19. The four corners of the mounting plate 19 are provided with threaded holes. Through the threaded holes on the mounting plate 19 and the use of external bolts, the mounting plate 19 can be fixed to the external horizontal plane to complete the installation of the device. The elasticity of the soft rubber pad 20 can play a shock-absorbing role when the device is in use. The height of the device can be adjusted by the lifting rod 18, which is convenient for connecting the device with feeding ports at different heights, thereby improving the applicability of the device. At the same time, multiple devices can be spliced ​​and used according to actual needs.

[0027] In this embodiment, the screening frame 5 is connected to the protective frame 1 by bolts, and a circular hole plate 6 is fixedly connected to the top of the screening frame 5. Baffles 11 are provided at both ends of the screening frame 5. The baffle 11 and the screening frame 5 are an integrated structure. The baffles 11 are symmetrical about the vertical center line of the screening frame 5. A guide plate 12 is provided between the two baffles 11, and the guide plate 12 and the baffle 11 are connected by a connecting shaft 13. Both ends of the connecting shaft 13 are threadedly connected with locking rings 14. By loosening the locking ring 14 and cooperating with the use of the connecting shaft 13, the inclination angle of the guide plate 12 can be adjusted, so that the coal mine of the conveyor belt 2 can be introduced into the circular hole plate 6 through the guide plate 12. The setting of the baffle 11 can prevent the coal mine from falling when the coal mine passes through the circular hole plate 6.

[0028] In this embodiment, a coal powder box 7 is inserted into the screening frame 5, and a coal rod box 8 is provided at one end of the screening frame 5 away from the protective frame 1, and the coal rod box 8 and the screening frame 5 are inserted, the circular hole plate 6 is arranged on the screening frame 5 in an inclined shape, and the circular hole plate 6 and the screening frame 5 form an integrated structure, a plurality of circular holes are evenly distributed on the circular hole plate 6, and the aperture of the circular holes increases from top to bottom, and one end of the coal powder box 7 and the coal rod box 8 are fixedly connected with a handle 9, and a partition 10 is provided inside the coal powder box 7, and the vertical center line of the partition 10 coincides with the vertical center line of the coal powder box 7, and the circular hole plate 6 can be used to screen and separate the coal powder and coal rods in the coal mine, so that the coal powder in the coal mine enters the coal powder box 7 through the circular hole plate 6, and the coal rods in the coal mine roll into the coal rod box 8, and the coal powder box 7 and the coal rod box 8 can be pulled out by the handle 9, so that the coal powder and coal rods can be cleaned, thereby improving the return efficiency.

[0029] In this embodiment, a movable plate 15 is provided at one end of the protective frame 1, and wiping plates 16 are fixedly connected to the top and bottom of the movable plate 15. The top wiping plate 16 of the movable plate 15 is in contact with the bottom of the conveyor belt 2, and the bottom wiping plate 16 of the movable plate 15 is in contact with the inner bottom surface of the protective frame 1. Both sides of the interior of the protective frame 1 are provided with electric slide rails 17 for the movable plate 15 to slide. The wiping plate 16 on the top of the movable plate 15 can wipe the coal powder remaining on the conveyor belt 2, so that the coal powder falls to the bottom surface of the inner part of the protective frame 1. The electric slide rail 17 is used to move the movable plate 15 toward the screening frame 5. In conjunction with the wiping plate 16 at the bottom of the movable plate 15, the coal powder on the bottom surface of the inner part of the protective frame 1 can be wiped, so that the coal powder enters the circular hole plate 6, thereby facilitating the cleaning of the conveyor belt 2 of the device, and also facilitating the collection of the residual coal powder, further improving the return material quality of the device.

[0030] Working principle: When using the device, first, through the threaded holes on the mounting plate 19, in conjunction with the use of external bolts, the mounting plate 19 can be fixed to the external horizontal plane to complete the installation of the device. The elasticity of the soft rubber pad 20 can be used to reduce shock when the device is in use. The height of the device can be adjusted through the lifting rod 18, which is convenient for connecting the device to feed ports at different heights, thereby improving the applicability of the device. At the same time, multiple devices can be spliced ​​and used according to actual needs. The motor 4 is started to rotate the transmission shaft 3. In conjunction with the use of the conveyor belt 2 on the protective frame 1, the coal at the feed port can be transported to the screening frame 5. The locking ring 14 is loosened. In conjunction with the use of the connecting shaft 13, the inclination angle of the guide plate 12 can be adjusted, so that the coal on the conveyor belt 2 can be introduced onto the circular hole plate 6 through the guide plate 12. The circular hole plate 6 can be used to screen and separate the coal powder and coal rods in the coal, so that the coal powder in the coal enters the coal powder box 7 through the circular hole plate 6. The coal rods in the coal mine roll into the coal rod box 8, and the coal powder box 7 and the coal rod box 8 can be pulled out by using the handle 9, which is convenient for cleaning the coal powder and coal rods, thereby improving the return efficiency and facilitating the separate transportation of coal powder and coal rods, and ensuring the quality of briquette manufacturing. The setting of the baffle 11 can prevent the coal mine from falling when the coal mine passes through the circular hole plate 6. The use of the dividing plate, in conjunction with the circular holes of different sizes on the circular hole plate 6, can separate and collect coal powders of different sizes, thereby improving the practicality of the device. The wiping plate 16 on the top of the movable plate 15 can wipe the residual coal powder on the conveyor belt 2, so that the coal powder falls to the bottom surface of the inner part of the protective frame 1, and the electric slide rail 17 is used to move the movable plate 15 toward the screening frame 5. In conjunction with the wiping plate 16 at the bottom of the movable plate 15, the coal powder on the bottom surface of the inner part of the protective frame 1 can be wiped, so that the coal powder enters the circular hole plate 6, thereby facilitating the cleaning of the conveyor belt 2 of the device, and also facilitating the collection of the residual coal powder, further improving the return quality of the device.

[0031] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A belt conveyor for improving material return efficiency, comprising a protective frame (1), a conveyor belt (2) being arranged inside the protective frame (1), transmission shafts (3) being arranged at both ends of the conveyor belt (2), and the transmission shafts (3) and the protective frame (1) being rotatably connected, a motor (4) being arranged at one end of one of the transmission shafts (3), and the motor (4) and the protective frame (1) being fixedly connected, and an output shaft of the motor (4) being fixedly connected to the transmission shaft (3), characterized in that: A screening frame (5) is provided at one end of the protection frame (1), the screening frame (5) and the protection frame (1) are connected by bolts, a round hole plate (6) is fixedly connected to the top of the screening frame (5), a coal powder box (7) is plugged into the interior of the screening frame (5), a coal rod box (8) is provided at one end of the screening frame (5) away from the protection frame (1), and the coal rod box (8) and the screening frame (5) are plugged into each other.

2. The belt conveyor for improving the material return efficiency according to claim 1, characterized in that: The circular hole plate (6) is arranged on the screening frame (5) in an inclined manner, and the circular hole plate (6) and the screening frame (5) form an integrated structure. A plurality of circular holes are evenly distributed on the circular hole plate (6), and the apertures of the circular holes increase from top to bottom.

3. The belt conveyor for improving the material return efficiency according to claim 2, characterized in that: A handle (9) is fixedly connected to one end of the coal powder box (7) and the coal rod box (8); a partition (10) is provided inside the coal powder box (7); and a vertical center line of the partition (10) coincides with a vertical center line of the coal powder box (7).

4. The belt conveyor for improving the material return efficiency according to claim 3, characterized in that: Baffles (11) are provided at both ends of the screening frame (5); the baffles (11) and the screening frame (5) are an integrated structure; the baffles (11) are symmetrical about the vertical center line of the screening frame (5).

5. The belt conveyor for improving the material return efficiency according to claim 4, characterized in that: A guide plate (12) is provided between the two baffles (11), and the guide plate (12) and the baffle (11) are connected via a connecting shaft (13), and locking rings (14) are threadedly connected at both ends of the connecting shaft (13).

6. The belt conveyor for improving the material return efficiency according to any one of claims 1 to 5, characterized in that: A movable plate (15) is provided at one end of the protective frame (1), and a wiping plate (16) is fixedly connected to the top and bottom of the movable plate (15). The top wiping plate (16) of the movable plate (15) is in contact with the bottom of the conveyor belt (2), and the bottom wiping plate (16) of the movable plate (15) is in contact with the inner bottom surface of the protective frame (1). Both sides of the interior of the protective frame (1) are provided with electric slide rails (17) for the movable plate (15) to slide.

7. The belt conveyor for improving material return efficiency according to claim 1, characterized in that: The bottom of the protection frame (1) and the bottom of the screening frame (5) are both fixedly connected to lifting rods (18), the bottom ends of the plurality of lifting rods (18) are fixedly connected to the same mounting plate (19), the bottom of the mounting plate (19) is fixedly connected to a soft rubber pad (20), and threaded holes are provided at the four corners of the mounting plate (19).

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