Large-dip-angle belt conveyor bottom plate cleaning device

Abstract

The utility model provides a large-dip-angle belt conveyor bottom plate cleaning device which comprises a driving mechanism and a cleaning mechanism, the driving mechanism is used for driving the cleaning mechanism to move from the starting end to the tail end of a bottom plate, and a first collecting hopper is arranged at the tail end of the bottom plate; the sweeping mechanism comprises a walking trolley, and a scraping plate is installed at the front end of the walking trolley. The driving mechanism drives the walking trolley to move from the starting end to the tail end of the bottom plate, the scraping plate at the front end of the walking trolley is used for scraping materials accumulated on the bottom plate to the first collecting hopper at the tail end, and therefore the situation that too much materials are accumulated on the bottom plate, and normal operation of the belt conveyor is affected is avoided; manual material cleaning is not needed, working efficiency is high, and potential safety hazards do not exist.

Description

Technical Field

[0001] The utility model relates to the technical field of belt conveyor cleaning, in particular to a bottom plate cleaning device for a belt conveyor with a large inclination angle. Background Art

[0002] A belt conveyor is a friction-driven machine that continuously transports materials. It can form a material conveying process along a specific conveying line, from the initial feeding point to the final discharge point. It is suitable for conveying powdered, granular, small-block, low-abrasive materials and bagged materials.

[0003] When the conveying material is sticky powder or granular, the material is easy to stick to the belt and enter the return section of the belt. Under the friction of the scraper cleaner and the return roller, the material will fall to the bottom plate of the belt conveyor and accumulate. If the material accumulated on the bottom plate is not cleaned regularly, it will affect the operating condition of the belt conveyor.

[0004] At present, the materials accumulated on the bottom plate of large-angle belt conveyors (with an inclination greater than 30 degrees) are generally cleaned manually, which not only has low work efficiency and high labor intensity, but also has certain safety hazards. Utility Model Content

[0005] The utility model provides a bottom plate cleaning device for a large-angle belt conveyor, which solves the problems of low work efficiency, high labor intensity and certain safety hazards in the prior art of manually cleaning materials accumulated on the bottom plate.

[0006] The technical solution of the present utility model is achieved as follows:

[0007] The utility model provides a bottom plate cleaning device for a large-angle belt conveyor, comprising a driving mechanism and a cleaning mechanism, wherein the driving mechanism is used to drive the cleaning mechanism to move along the starting end to the end end of the bottom plate, and a first collecting hopper is provided at the end of the bottom plate; the cleaning mechanism comprises a walking trolley, and a scraper is installed at the front end of the walking trolley.

[0008] The utility model drives the traveling trolley to move along the starting end to the end of the bottom plate through the driving mechanism, and utilizes the scraper at the front end of the traveling trolley to scrape the materials accumulated on the bottom plate to the first collecting hopper at the end, thereby preventing the excessive accumulation of materials on the bottom plate from affecting the normal operation of the belt conveyor; there is no need for manual cleaning of materials, the work efficiency is high and there is no safety hazard.

[0009] Specifically, the drive mechanism includes a first drum, a second drum, a wire rope, and a drive component. The first drum's transmission shaft is fixed to the end of the base plate at both ends via bearing blocks, while the second drum's transmission shaft is fixed to the beginning of the base plate at both ends via bearing blocks. The first drum and the second drum are connected via a wire rope transmission. The wire rope between the first and second drums is parallel to the base plate and the return belt of the belt conveyor. The wire rope is fixedly connected to the trolley. The output end of the drive component is connected to the transmission shaft of the first drum or the second drum via a coupling. The drive component drives the first drum or the second drum to rotate, thereby driving the wire rope to move back and forth along the base plate, driving the trolley to move along the base plate, thereby scraping away material accumulated on the base plate.

[0010] Furthermore, connection points are provided at the front and rear ends of the top of the traveling trolley for fixing and connecting the steel wire rope.

[0011] Furthermore, guide assemblies are installed at the starting and end ends of the base plate to guide the wire rope. The wire rope between the two guide assemblies and the wire rope between the two connection points are in a straight line. The purpose of this design is to ensure that the traction force of the wire rope on the walking trolley always coincides with the moving direction of the walking trolley, thereby avoiding the walking trolley from being subjected to the lateral tension of the wire rope.

[0012] Furthermore, the guide assembly includes two guide wheels, which are respectively located on both sides of the wire rope, and the wire rope passes through the gap between the two guide wheels.

[0013] Specifically, the driving component includes a motor and a reducer.

[0014] Furthermore, a counterweight block is installed inside the walking trolley. On the one hand, the gravity of the counterweight block itself can be used to drive the walking trolley to move along the starting end to the end of the base plate, saving energy consumption of the driving mechanism; on the other hand, the counterweight block can ensure that the bottom end of the scraper at the front end of the walking trolley is always in contact with the base plate during the walking process, thereby improving the cleaning effect.

[0015] Preferably, the top end of the scraper is hinged to the top front end of the walking trolley, and when the scraper is perpendicular to the bottom plate, the bottom end of the scraper abuts against the bottom plate; the advantage of this design is that it prevents the scraper from scraping the material on the bottom plate to the starting end of the bottom plate when the walking trolley moves from the end of the bottom plate to the starting end of the bottom plate.

[0016] Preferably, a second collecting hopper is provided in the middle section of the bottom plate, and a discharge pipe is connected to the bottom of the second collecting hopper. Since the bottom plate is long, the load on the scraper is large when it scrapes from the beginning to the end of the bottom plate. By setting the second collecting hopper in the middle section of the bottom plate, the load on the scraper can be effectively reduced.

[0017] Furthermore, a vibrator is installed on the outer wall of the first collecting hopper and the second collecting hopper. By controlling the vibrator to work intermittently, the blockage of the first collecting hopper, the second collecting hopper and the discharge pipe can be avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a schematic diagram of the arrangement structure of a large-angle belt conveyor bottom plate cleaning device above the bottom plate of the utility model;

[0020] Figure 2 This is a schematic structural diagram of a bottom plate cleaning device for a large-angle belt conveyor according to the present invention;

[0021] Figure 3 This is a schematic diagram of the connection structure between the walking trolley and the wire rope in an embodiment of the present utility model;

[0022] Figure 4 This is a schematic diagram of the scraper state when the walking trolley performs a cleaning operation in an embodiment of the present utility model;

[0023] Figure 5 This is a schematic diagram of the scraper state when the walking trolley performs a retracting operation in an embodiment of the present utility model;

[0024] In the figure: 1. Base plate; 2. First collecting hopper; 3. Traveling trolley; 4. Scraper; 5. Return belt; 6. First reel; 7. Second reel; 8. Wire rope; 9. Bearing seat; 10. Coupling; 11. Connection point; 12. Guide wheel; 13. Motor; 14. Reducer; 15. Counterweight; 16. Second collecting hopper; 17. Discharge pipe; 18. Vibrator. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solution of the present invention in conjunction with the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Reference Figure 1An embodiment of the utility model provides a bottom plate cleaning device for a large-angle belt conveyor, including a driving mechanism and a cleaning mechanism. The driving mechanism is used to drive the cleaning mechanism to move along the starting end to the end of the bottom plate 1, and a first collecting hopper 2 is provided at the end of the bottom plate 1; the cleaning mechanism includes a walking trolley 3, and a scraper 4 is installed at the front end of the walking trolley 3.

[0027] The utility model drives the traveling trolley 3 to move along the starting end of the base plate 1 to the end end through the driving mechanism, and utilizes the scraper 4 at the front end of the traveling trolley 3 to scrape the materials accumulated on the base plate 1 to the first collecting hopper 2 at the end, thereby avoiding excessive accumulation of materials on the base plate 1 affecting the normal operation of the belt conveyor; there is no need to manually clean the materials, the work efficiency is high and there is no safety hazard.

[0028] In this embodiment, the belt conveyor is a high-angle belt conveyor (the inclination angle is greater than 30°), the bottom plate 1 is located below the return belt 5 of the belt conveyor, and the bottom plate 1 is 180 to 200 mm away from the return belt 5; the bottom plate 1 is arranged parallel to the return belt 5; the starting end of the bottom plate 1 is defined as the starting point of the return belt 5 (i.e., the highest point), and the end of the bottom plate 1 is defined as the end point of the return belt 5 (i.e., the lowest point).

[0029] Specifically, if Figure 2 As shown, the driving mechanism includes a first drum 6, a second drum 7, a wire rope 8, and a driving component. The two ends of the transmission shaft of the first drum 6 are fixed to the end of the base plate 1 through a bearing seat 9, and the two ends of the transmission shaft of the second drum 7 are fixed to the starting end of the base plate 1 through a bearing seat 9. The first drum 6 and the second drum 7 are connected by a wire rope 8. The wire rope 8 between the first drum 6 and the second drum 7 is parallel to the base plate 1. The wire rope 8 is fixedly connected to the trolley 3. The output end of the driving component is connected to the transmission shaft of the first drum 6 through a coupling 10. The driving component drives the first drum 6 to rotate, and the wire rope 8 drives the second drum 7 to rotate, thereby driving the wire rope 8 to move back and forth along the base plate 1, driving the trolley 3 to move along the base plate 1, thereby scraping off the material accumulated on the base plate 1.

[0030] Further, if Figure 3 As shown, connection points 11 are provided at both the front and rear ends of the top of the traveling trolley 3 for fixing the steel wire rope 8, and the steel wire rope 8 can be fixed by welding or other means.

[0031] Further, if Figure 2As shown, the starting and end ends of the base plate 1 are both equipped with guide assemblies for guiding the wire rope 8. The wire rope 8 between the two guide assemblies and the wire rope 8 between the two connection points 11 are in a straight line. The purpose of this design is to ensure that the traction force of the wire rope 8 on the walking trolley 3 always coincides with the moving direction of the walking trolley 3, thereby preventing the walking trolley 3 from being subjected to the lateral tension of the wire rope 8; in order to prevent the wire rope 8 from slipping on the drum, the wire rope 8 is generally wound around the drum several times. This will cause the wire rope 8 between the two drums to move not only along the length direction of the wire rope 8, but also along the axial direction of the drum during rotation. If no guide assembly is provided, the wire rope 8 will not coincide with the connecting line between the two connection points 11 after moving along the axial direction of the drum, thereby causing the walking trolley 3 to be subjected to lateral (i.e. axial) tension, thereby affecting the cleaning effect.

[0032] Further, if Figure 2 As shown, the guide assembly includes two guide wheels 12 , which are respectively located on both sides of the wire rope 8 , and the wire rope 8 passes through the gap between the two guide wheels 12 .

[0033] Specifically, if Figure 2 As shown, the driving component includes a motor 13 and a reducer 14. The motor 13 drives the reducer 14 to operate, and then the reducer 14 is used to output a large torque to the transmission shaft of the first reel 6 to drive the first reel 6 to rotate; in this embodiment, the speed ratio of the reducer 14 is about 100, which prevents the walking trolley 3 from walking too fast on the base plate 1, resulting in excessive load on the scraper 4.

[0034] Further, if Figure 3 As shown, a counterweight block 15 is installed inside the walking trolley 3. On the one hand, the gravity of the counterweight block 15 itself can be used to drive the walking trolley 3 to move along the starting end to the end of the base plate 1, saving the energy consumption of the motor 13; on the other hand, the counterweight block 15 can ensure that the bottom end of the scraper 4 at the front end of the walking trolley 3 is always in contact with the base plate 1 during the walking process, thereby improving the cleaning effect.

[0035] Preferably, if Figure 4 、 5 As shown, the top of the scraper 4 is hinged to the top of the front end of the walking trolley 3. When the scraper 4 is perpendicular to the bottom plate 1, the bottom end of the scraper 4 abuts against the bottom plate 1. Figure 4As shown; the advantage of this design is that it prevents the scraper 4 from scraping the material on the bottom plate 1 to the starting end of the bottom plate 1 when the trolley 3 moves from the starting end of the bottom plate 1 to the end. When the trolley 3 moves from the starting end to the end of the bottom plate 1, due to the accumulation of a certain thickness of material on the bottom plate 1, the bottom end of the scraper 4 will be pressed by the material, making it impossible for the scraper 4 to rotate to a vertical state under the action of its own gravity. As the trolley 3 continues to descend, the scraper 4 rotates to a state perpendicular to the bottom plate 1, as shown in FIG. Figure 4 As shown; so that it is convenient to clean up the materials accumulated on the bottom plate 1; when the walking trolley 3 moves to the end of the bottom plate 1, it is necessary to retract the walking trolley 3 to the beginning of the bottom plate 1. As the walking trolley 3 moves from the end to the beginning of the bottom plate 1, the scraper 4 will remain in a vertical state due to its own gravity, as shown in FIG. Figure 5 As shown, there is a certain gap between the bottom end of the scraper 4 and the bottom plate 1, which prevents the scraper 4 from scraping the residual or newly added materials on the bottom plate 1 to the starting end of the bottom plate 1, thereby improving the cleaning effect.

[0036] Preferably, a second collecting hopper 16 is provided in the middle section of the base plate 1, with a discharge pipe 17 connected to the bottom of the second collecting hopper 16. Since the base plate 1 is long, the load on the scraper 4 as it scrapes from the beginning to the end of the base plate 1 is relatively large. By providing the second collecting hopper 16 in the middle section of the base plate 1, the load on the scraper 4 can be effectively reduced. The scraper 4 can scrape material from the beginning to the middle of the base plate 1 into the second collecting hopper 16 for collection, clearing the load on the scraper 4. The material from the middle to the end of the base plate 1 can then be scraped into the first collecting hopper 2 for collection. A collection box is provided at the outlet of the discharge pipe 17 for collecting and transferring material that falls from the second collecting hopper 16.

[0037] Furthermore, a vibrator 18 is installed on the outer wall of the first collecting hopper 2 and the second collecting hopper 16. By controlling the vibrator 18 to work intermittently, the first collecting hopper 2, the second collecting hopper 16 and the discharge pipe 17 can be prevented from being blocked.

[0038] The working process of the cleaning device of the utility model is as follows:

[0039] When the materials accumulated on the bottom plate 1 need to be cleaned, the motor 13 and the reducer 14 drive the first drum 6 to rotate forward, and the second drum 7 and the wire rope 8 drive the trolley 3 to move along the starting end to the end of the bottom plate 1. The scraper 4 at the front end of the trolley 3 scrapes the materials accumulated on the bottom plate 1 into the first collecting hopper 2 at the end of the bottom plate 1;

[0040] After completing a cleaning operation, the motor 13 and the reducer 14 drive the first drum 6 to reverse, and cooperate with the second drum 7 and the wire rope 8 to drive the walking trolley 3 to move along the end of the base plate 1 to the starting end, and the walking trolley 3 is retracted to the starting end of the base plate 1 to facilitate the next cleaning operation.

[0041] This embodiment can realize fully automated cleaning by programming the controller to automatically perform a cleaning and retraction operation at regular intervals. In the specific implementation process, a position sensor (a photoelectric position sensor can be used) is provided at the beginning and end of the base plate 1 to detect whether the walking trolley 3 has walked to the beginning or end of the base plate 1. During the cleaning operation, when the position sensor at the end of the base plate 1 detects the walking trolley 3, it is determined that the walking trolley 3 is at the end of the base plate 1. At this time, the controller interlocks and controls the motor 13 to rotate in the opposite direction to perform the retraction operation. During the retraction of the walking trolley 3, when the position sensor at the beginning of the base plate 1 detects the walking trolley 3, it is determined that the walking trolley 3 is at the beginning of the base plate 1. At this time, the controller interlocks and controls the motor 13 to stop running and wait for a certain interval (the interval can be flexibly set according to actual conditions, such as 20 minutes, 30 minutes, etc.) before performing the cleaning operation again. A local operation switch can also be set to realize the cleaning and retraction operations through manual control.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A large-angle belt conveyor bottom plate cleaning device, characterized in that: The invention comprises a driving mechanism and a cleaning mechanism, wherein the driving mechanism is used to drive the cleaning mechanism to move along the starting end to the end of a base plate (1), and a first collecting hopper (2) is provided at the end of the base plate (1); the cleaning mechanism comprises a traveling trolley (3), and a scraper (4) is installed at the front end of the traveling trolley (3).

2. A large-angle belt conveyor bottom plate cleaning device as claimed in claim 1, characterized in that: The driving mechanism comprises a first drum (6), a second drum (7), a steel wire rope (8) and a driving component, wherein both ends of the transmission shaft of the first drum (6) are fixed to the end of the base plate (1) through a bearing seat (9), and both ends of the transmission shaft of the second drum (7) are fixed to the starting end of the base plate (1) through a bearing seat (9). The first drum (6) and the second drum (7) are connected by a steel wire rope (8). The steel wire rope (8) between the first drum (6) and the second drum (7) is parallel to the base plate (1) and the return belt (5) of the belt conveyor. The steel wire rope (8) is fixedly connected to the walking trolley (3). The output end of the driving component is connected to the transmission shaft of the first drum (6) or the second drum (7) through a coupling (10).

3. A large-angle belt conveyor bottom plate cleaning device as claimed in claim 2, characterized in that: The top and rear ends of the traveling trolley (3) are both provided with connection points (11) for fixing and connecting the steel wire rope (8).

4. A large-angle belt conveyor bottom plate cleaning device as claimed in claim 3, characterized in that: The base plate (1) is provided with guide assemblies at both the beginning and the end for guiding the steel wire rope (8). The steel wire rope (8) between the two guide assemblies and the steel wire rope (8) between the two connection points (11) are in a straight line.

5. A large-angle belt conveyor bottom plate cleaning device as claimed in claim 4, characterized in that: The guide assembly comprises two guide wheels (12), and the two guide wheels (12) are respectively located on both sides of the wire rope (8).

6. A large-angle belt conveyor bottom plate cleaning device as claimed in claim 2, characterized in that: The driving component includes a motor (13) and a reducer (14).

7. A large-angle belt conveyor bottom plate cleaning device as claimed in claim 1, characterized in that: A counterweight (15) is installed inside the traveling trolley (3).

8. The device for cleaning the bottom plate of a high-angle belt conveyor according to claim 1, wherein: The top end of the scraper (4) is hinged to the top of the front end of the walking trolley (3); when the scraper (4) is perpendicular to the bottom plate (1), the bottom end of the scraper (4) abuts against the bottom plate (1).

9. A large-angle belt conveyor bottom plate cleaning device as claimed in claim 1, characterized in that: A second collecting hopper (16) is provided in the middle section of the bottom plate (1), and a discharge pipe (17) is connected to the bottom of the second collecting hopper (16).

10. A bottom plate cleaning device for a high-angle belt conveyor according to claim 9, characterized in that: Vibrators (18) are installed on the outer walls of the first collecting hopper (2) and the second collecting hopper (16).

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