Weighing and automatic triggering system
The weighing and automatic triggering system automates the discharge of pebble coal by using dual monitoring and a robot to transport coal hoppers when weight thresholds are met, addressing inefficiencies in manual handling and enhancing accuracy and efficiency.
Patent Information
- Application Number
- CN202411371468.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2024-12-27
AI Technical Summary
The manual transportation of pebble coal from coal hoppers in coal-fired power plants is time-consuming and labor-intensive, leading to inefficiencies in the discharge process of unground pyrite and entrained gangue and coal particles.
A weighing and automatic triggering system comprising a coal mill, discharge pipe, electronic scale, mobile coal hopper, monitoring camera, robot, and controller, which uses dual monitoring by the electronic scale and monitoring camera to automate the weighing and triggering of the robot to transport the coal hopper when the set weight threshold is reached, with optional features like a rotating mechanism and conveying mechanism for comprehensive monitoring and efficient transportation.
The system achieves accurate, automated, and efficient discharge of pebble coal with reduced manual labor, ensuring high accuracy and reliability even if one component fails, and facilitates comprehensive monitoring and transportation with a simple and reasonable design.
Smart Images

Figure CN119186778A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of stone coal slag removal, and in particular to a weighing and automatic triggering system. Background Art
[0002] Pebble coal refers to the unground pyrite and the entrained gangue and coal particles discharged from the bottom during the operation of the coal mill. It is the waste generated in the coal powder preparation process of large coal-fired power plants, mainly from the discharge of coal mills in power plants. Every coal-fired power plant discharges a large amount of pebble coal every year. These wastes include unground pyrite, entrained gangue and coal particles, which are discharged during the operation of the coal mill.
[0003] During the discharge process of pebble coal, coal hoppers are usually used to collect the pebble coal, and then the coal hoppers filled with pebble coal are manually transported to the yard. This method is time-consuming, labor-intensive and inefficient. Summary of the invention
[0004] The invention provides a weighing and automatic triggering system, aiming to solve the problems in the prior art.
[0005] The technical solution of the present invention to solve the above technical problems is as follows:
[0006] A weighing and automatic triggering system comprises a coal mill, a discharge pipe, an electronic scale, a mobile coal hopper, a monitoring camera, a robot and a controller, wherein the discharge pipe is vertically fixedly installed at the discharge port of the coal mill; the electronic scale is horizontally fixedly installed below the discharge pipe, and the mobile coal hopper is placed on the electronic scale; the monitoring camera is installed on the discharge pipe, and the monitoring camera, the electronic scale and the robot are respectively communicated with the controller, and the controller can control the robot to remove the mobile coal hopper from the electronic scale.
[0007] The beneficial effects of the present invention are as follows: during the discharge of the pebble coal, the pebble coal in the mobile coal hopper is weighed by an electronic scale, and a corresponding signal is sent to a controller; the controller receives the corresponding signal and makes a judgment and analysis, and when the weight of the pebble coal in the mobile coal hopper reaches a set weight threshold, the controller sends a command to the robot, and the robot takes the mobile coal hopper off the electronic scale;
[0008] At the same time, the monitoring camera is used to collect the upper surface image of the pebble coal in the mobile coal hopper in real time, and the corresponding image is sent to the controller; the controller receives the corresponding signal and processes and analyzes it. When the upper surface of the pebble coal approaches the upper surface of the mobile coal hopper, the controller sends a command to the robot, and the robot takes the mobile coal hopper off the electronic scale;
[0009] This solution uses both an electronic scale and a monitoring camera for dual monitoring, which has higher accuracy. In addition, when either the electronic scale or the monitoring camera fails, the remaining component can still be monitored.
[0010] The invention has a simple structure and a reasonable design, and can realize automatic weighing of stone coal discharge. At the same time, the robot can be automatically triggered after the weighing reaches the standard, so that the robot sends the mobile coal bucket on the electronic scale to the set position, with high efficiency and low manual labor intensity.
[0011] Based on the above technical solution, the present invention can also be improved as follows.
[0012] Furthermore, a rotating mechanism is installed on the discharge pipe, and the monitoring camera is installed on the rotating mechanism. The rotating mechanism is used to drive the monitoring camera to rotate around the discharge pipe.
[0013] The beneficial effects of adopting the above further scheme are simple structure, reasonable design, and utilizing the rotating mechanism to drive the monitoring camera to rotate around the discharge pipe to achieve comprehensive monitoring of the pebble coal in the mobile coal hopper.
[0014] Furthermore, the rotating mechanism includes an annular guide rail, a gear ring, a gear and a motor, the annular guide rail is fixedly sleeved outside the discharge pipe; the gear ring is coaxially sleeved outside the annular guide rail and can rotate around the annular guide rail; the monitoring camera is fixedly mounted on the gear ring and is located below the gear ring; the motor is fixedly mounted on the annular guide rail and its driving end extends axially along the annular guide rail; the gear is coaxially fixedly sleeved on the driving end of the motor and meshes with the gear ring.
[0015] The beneficial effect of adopting the above further scheme is simple structure and reasonable design. The motor is used to drive the gear to rotate, and then the meshing between the gear and the ring gear is used to drive the ring gear and the monitoring camera thereon to rotate, thereby realizing comprehensive monitoring of the monitoring camera and achieving better monitoring effect.
[0016] Furthermore, the motor is fixedly connected to the annular guide rail via a horizontally arranged fixing rod, and the monitoring camera is fixedly connected to the gear ring via a vertically arranged connecting rod.
[0017] The beneficial effects of adopting the above further solution are simple structure, reasonable design, and convenient assembly of the motor and the monitoring camera.
[0018] Furthermore, an annular groove is provided on the outer wall of the annular guide rail, and the inner side of the gear ring extends into the annular groove and is rotatably fitted with the annular groove.
[0019] The beneficial effects of adopting the above further solution are simple structure, reasonable design, and utilizing the annular groove to position the rotation of the gear ring to ensure the stability of the rotation of the gear ring.
[0020] Furthermore, a bracket is installed on the discharge pipe so as to be flipped up and down and positioned, and the monitoring camera is fixedly installed on one end of the bracket.
[0021] The beneficial effects of adopting the above further solution are simple structure, reasonable design, and the position and angle of the monitoring camera can be adjusted by using the bracket, so that the monitoring is more comprehensive.
[0022] Furthermore, a mounting seat is relatively fixedly mounted on the discharge pipe, and the other end of the bracket is rotatably connected and positioned with the two mounting seats via a rotating shaft.
[0023] The beneficial effects of adopting the above further solution are simple structure, reasonable design and more convenient bracket assembly.
[0024] Furthermore, the bracket is a bent rod-shaped structure.
[0025] The beneficial effect of adopting the above further solution is that the shape of the bracket is reasonably designed, which facilitates the adjustment of the monitoring position and angle, and the monitoring is more comprehensive.
[0026] Furthermore, it also includes a conveying mechanism, which is installed on one side of the electronic scale and is communicatively connected with the controller to deliver the empty mobile coal bucket to the electronic scale.
[0027] The beneficial effects of adopting the above further scheme are simple structure, reasonable design, and utilizing the conveying mechanism to deliver the empty mobile coal bucket to the electronic scale without manual operation and high efficiency.
[0028] Furthermore, the conveying mechanism is a belt conveyor.
[0029] The beneficial effects of adopting the above further scheme are that the belt conveyor is reasonably selected, the transportation is convenient and the cost is low. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] Figure 1 It is a structural schematic diagram of the first embodiment of the present invention;
[0031] Figure 2 It is an assembly diagram of the rotating mechanism, the monitoring camera and the discharge pipe in the first embodiment of the present invention;
[0032] Figure 3 It is a structural schematic diagram of a second embodiment of the present invention;
[0033] Figure 4 This is an assembly diagram of the bracket, monitoring camera and discharge pipe in the second embodiment of the present invention.
[0034] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0035] 1. Coal mill; 2. Discharge pipe; 3. Electronic scale; 4. Mobile coal bucket; 5. Monitoring camera; 6. Robot; 7. Controller; 8. Annular guide rail; 9. Ring gear; 10. Gear; 11. Motor; 12. Fixed rod; 13. Connecting rod; 14. Bracket; 15. Mounting seat; 16. Rotating shaft; 17. Belt conveyor; 18. Locking screw. DETAILED DESCRIPTION
[0036] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.
[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.
[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
[0039] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.
[0040] Example 1
[0041] like Figures 1 to 4As shown, this embodiment provides a weighing and automatic triggering system, including a coal mill 1, a discharge pipe 2, an electronic scale 3, a mobile coal hopper 4, a monitoring camera 5, a robot 6 and a controller 7, wherein the discharge pipe 2 is vertically fixedly installed at the discharge port of the coal mill 1; the electronic scale 3 is horizontally fixedly installed below the discharge pipe 2, and the mobile coal hopper 4 is placed on the electronic scale 3; the monitoring camera 5 is installed on the discharge pipe 2, and the monitoring camera 5, the electronic scale 3 and the robot 6 are respectively communicated with the controller 7, and the controller 7 can control the robot 6 to remove the mobile coal hopper 4 from the electronic scale 3.
[0042] During the discharge of the pebble coal, the electronic scale 3 is used to weigh the pebble coal in the mobile coal hopper 4, and the corresponding signal is sent to the controller 7; the controller 7 receives the corresponding signal and makes a judgment and analysis. When the weight of the pebble coal in the mobile coal hopper 4 reaches the set weight threshold, the controller 7 sends a command to the robot 6, and the robot 6 takes the mobile coal hopper 4 off the electronic scale 3;
[0043] At the same time, the monitoring camera 5 is used to collect the upper surface image of the pebble coal in the mobile coal hopper 4 in real time, and the corresponding image is sent to the controller 7; the controller 7 receives the corresponding signal and processes and analyzes it. When the upper surface of the pebble coal approaches the upper surface of the mobile coal hopper 4, the controller 7 sends a command to the robot 6, and the robot 6 takes the mobile coal hopper 4 off the electronic scale 3;
[0044] This solution uses both the electronic scale 3 and the monitoring camera 5 for dual monitoring, which has higher accuracy. In addition, when any one of the electronic scale 3 and the monitoring camera 5 fails, the remaining component can still be monitored.
[0045] It should be noted that the above-mentioned coal mill 1, electronic scale 3, mobile coal hopper 4, monitoring camera 5, robot 6 and controller 7 respectively adopt existing technologies, and their specific structures and principles are not described in detail here.
[0046] This embodiment has a simple structure and reasonable design, and can realize automatic weighing of stone coal discharge. At the same time, it can automatically trigger the robot after the weighing meets the standard, so that the robot sends the mobile coal bucket on the electronic scale to the set position, which is highly efficient and has low labor intensity.
[0047] Example 2
[0048] On the basis of Example 1, Figure 1 and Figure 2 As shown, in this embodiment, a rotating mechanism is installed on the discharge pipe 2 , and the monitoring camera 5 is installed on the rotating mechanism. The rotating mechanism is used to drive the monitoring camera 5 to rotate around the discharge pipe 2 .
[0049] This solution has a simple structure and a reasonable design. It utilizes a rotating mechanism to drive the monitoring camera 5 to rotate around the discharge pipe 2 to achieve comprehensive monitoring of the pebble coal in the mobile coal hopper 4.
[0050] Example 3
[0051] On the basis of Example 2, in this embodiment, the rotating mechanism includes an annular guide rail 8, a ring gear 9, a gear 10 and a motor 11, the annular guide rail 8 is fixedly sleeved outside the discharge pipe 2; the ring gear 9 is coaxially sleeved outside the annular guide rail 8, and can rotate around the annular guide rail 8; the monitoring camera 5 is fixedly mounted on the ring gear 9, and is located below the ring gear 9; the motor 11 is fixedly mounted on the annular guide rail 8, and its driving end extends along the axial direction of the annular guide rail 8; the gear 10 is coaxially fixedly sleeved on the driving end of the motor 11, and is meshed with the ring gear 9.
[0052] This solution has a simple structure and a reasonable design. The motor 11 is used to drive the gear 10 to rotate, and then the engagement between the gear 10 and the ring gear 9 is used to drive the ring gear 9 and the monitoring camera 5 thereon to rotate, thereby achieving comprehensive monitoring of the monitoring camera 5 and achieving a better monitoring effect.
[0053] Preferably, in this embodiment, the annular guide rail 8 is preferably arranged at a position of the discharge pipe 2 close to the lower end thereof.
[0054] Example 4
[0055] On the basis of Example 3, in this embodiment, the motor 11 is fixedly connected to the annular guide rail 8 via a horizontally arranged fixing rod 12 , and the monitoring camera 5 is fixedly connected to the gear ring 9 via a vertically arranged connecting rod 13 .
[0056] This solution has a simple structure and a reasonable design, and the motor 11 and the monitoring camera 5 are easy to assemble.
[0057] Preferably, in this embodiment, the fixing rod 12 and the connecting rod 13 are preferably straight rods.
[0058] Example 5
[0059] On the basis of any one of Examples 3 to 4, in this embodiment, an annular groove is provided on the outer wall of the annular guide rail 8, and the inner side of the gear ring 9 extends into the annular groove and rotatably fits with the annular groove.
[0060] This solution has a simple structure and a reasonable design. The annular groove is used to position the rotation of the ring gear 9, thereby ensuring the stability of the rotation of the ring gear 9.
[0061] Example 6
[0062] Based on the above embodiments, Figure 3 and Figure 4 As shown, in this embodiment, a bracket 14 is installed on the discharge pipe 2 so as to be flipped up and down and positioned, and the monitoring camera 5 is fixedly installed on one end of the bracket 14 .
[0063] This solution has a simple structure and a reasonable design. The position and angle of the monitoring camera 5 can be adjusted by using the bracket 14, so that the monitoring is more comprehensive.
[0064] The above-mentioned Embodiment 2 and Embodiment 6 are parallel solutions.
[0065] Alternatively, the monitoring camera 5 is directly fixedly mounted on the discharge pipe 2 .
[0066] Example 7
[0067] On the basis of Example 6, in this embodiment, a mounting seat 15 is relatively fixedly mounted on the discharge pipe 2, and the other end of the bracket 14 is rotatably connected and positioned with the two mounting seats 15 via a rotating shaft 16.
[0068] This solution has a simple structure and a reasonable design, and the bracket 14 is more convenient to assemble.
[0069] Preferably, in this embodiment, the two mounting seats 15 are preferably rectangular block structures.
[0070] In addition, the other end of the bracket 14 is fixedly connected to the rotating shaft 16 , and both ends of the rotating shaft 16 extend to the mounting holes oppositely arranged on the two mounting seats 15 for rotational connection.
[0071] Moreover, the two mounting seats 15 are respectively provided with screw holes connected to the two mounting holes, and the two screw holes are respectively threaded with locking screws 18. When in use, when the bracket 14 is manually rotated to a set position, the two locking screws 18 can be manually tightened until one end of the two locking screws 18 respectively abuts against the two ends of the rotating shaft 16 to fix the rotating shaft 16 and the bracket 14, thereby fixing the monitoring camera 5.
[0072] Example 8
[0073] On the basis of any one of Embodiments 6 to 7, in this embodiment, the bracket 14 is a bent rod-shaped structure.
[0074] The shape of the bracket 14 is reasonably designed, which is convenient for adjusting the monitoring position and angle, and the monitoring is more comprehensive.
[0075] Example 9
[0076] On the basis of the above embodiments, this embodiment further includes a conveying mechanism, which is installed on one side of the electronic scale 3 and is communicatively connected with the controller 7 for conveying the empty mobile coal hopper 4 to the electronic scale 3 .
[0077] The solution has a simple structure and a reasonable design. The empty mobile coal hopper 4 is delivered to the electronic scale 3 by using a conveying mechanism. Manual operation is unnecessary and the efficiency is high.
[0078] Example 10
[0079] Based on Example 9, in this embodiment, the conveying mechanism is a belt conveyor 17.
[0080] The belt conveyor 17 is reasonably selected, convenient for transportation and low in cost.
[0081] It should be noted that the above-mentioned belt conveyor 17 adopts the existing technology, and its specific structure and principle are not described in detail here.
[0082] In addition, one end of the belt conveyor 17 is connected to the edge of the electronic scale 3 so as to convey the empty mobile coal hopper 4 to the electronic scale 3.
[0083] Based on the above scheme, when one of the mobile coal hoppers 4 is placed on the electronic scale 3 to collect stone coal, the belt conveyor 17 stops operating; when the robot 6 takes the mobile coal hopper 4 off the electronic scale 3, the belt conveyor 17 continues operating to deliver the empty mobile coal hopper 4 to the electronic scale 3.
[0084] The working principle of the present invention is as follows:
[0085] During the discharge of the pebble coal, the electronic scale 3 is used to weigh the pebble coal in the mobile coal hopper 4, and the corresponding signal is sent to the controller 7; the controller 7 receives the corresponding signal and makes a judgment and analysis. When the weight of the pebble coal in the mobile coal hopper 4 reaches the set weight threshold, the controller 7 sends a command to the robot 6, and the robot 6 takes the mobile coal hopper 4 off the electronic scale 3;
[0086] At the same time, the monitoring camera 5 is used to collect the upper surface image of the pebble coal in the mobile coal hopper 4 in real time, and the corresponding image is sent to the controller 7; the controller 7 receives the corresponding signal and processes and analyzes it. When the upper surface of the pebble coal approaches the upper surface of the mobile coal hopper 4, the controller 7 sends a command to the robot 6, and the robot 6 takes the mobile coal hopper 4 off the electronic scale 3;
[0087] This solution uses both the electronic scale 3 and the monitoring camera 5 for dual monitoring, which has higher accuracy. In addition, when any one of the electronic scale 3 and the monitoring camera 5 fails, the remaining component can still be monitored.
[0088] It should be noted that all electronic components involved in the present invention adopt the existing technology, and the above-mentioned components are electrically connected to the controller, and the control circuit between the controller and each component is the existing technology.
[0089] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.
[0090] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
[0091] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims
1. A weighing and automatic triggering system, characterized in that: The invention comprises a coal mill (1), a discharge pipe (2), an electronic scale (3), a mobile coal hopper (4), a monitoring camera (5), a robot (6) and a controller (7), wherein the discharge pipe (2) is vertically fixedly installed at the discharge port of the coal mill (1); the electronic scale (3) is horizontally fixedly installed below the discharge pipe (2), and the mobile coal hopper (4) is placed on the electronic scale (3); the monitoring camera (5) is installed on the discharge pipe (2), and the monitoring camera (5), the electronic scale (3) and the robot (6) are respectively connected to the controller (7) for communication, and the controller (7) can control the robot (6) to remove the mobile coal hopper (4) from the electronic scale (3).
2. The weighing and automatic triggering system according to claim 1, characterized in that: A rotating mechanism is installed on the discharge pipe (2), and the monitoring camera (5) is installed on the rotating mechanism. The rotating mechanism is used to drive the monitoring camera (5) to rotate around the discharge pipe (2).
3. The weighing and automatic triggering system according to claim 2, characterized in that: The rotating mechanism comprises an annular guide rail (8), a gear ring (9), a gear (10) and a motor (11); the annular guide rail (8) is fixedly sleeved outside the discharge pipe (2); the gear ring (9) is coaxially sleeved outside the annular guide rail (8) and can rotate around the annular guide rail (8); the monitoring camera (5) is fixedly mounted on the gear ring (9) and is located below the gear ring (9); the motor (11) is fixedly mounted on the annular guide rail (8), and its driving end extends axially along the annular guide rail (8); the gear (10) is coaxially fixedly sleeved on the driving end of the motor (11) and meshes with the gear ring (9).
4. The weighing and automatic triggering system according to claim 3, characterized in that: The motor (11) is fixedly connected to the annular guide rail (8) via a horizontally arranged fixing rod (12), and the monitoring camera (5) is fixedly connected to the gear ring (9) via a vertically arranged connecting rod (13).
5. The weighing and automatic triggering system according to claim 3, characterized in that: An annular groove is provided on the outer wall of the annular guide rail (8), and the inner side of the gear ring (9) extends into the annular groove and is rotatably fitted with the annular groove.
6. The weighing and automatic triggering system according to claim 1, characterized in that: A bracket (14) is installed on the discharge pipe (2) so as to be flipped up and down and positioned, and the monitoring camera (5) is fixedly installed on one end of the bracket (14).
7. The weighing and automatic triggering system according to claim 6, characterized in that: A mounting seat (15) is relatively fixedly mounted on the discharge pipe (2), and the other end of the bracket (14) is rotationally connected and positioned with the two mounting seats (15) via a rotating shaft (16).
8. The weighing and automatic triggering system according to claim 6, characterized in that: The support (14) is a bent rod-shaped structure.
9. The weighing and automatic triggering system according to any one of claims 1 to 8, characterized in that: It also includes a conveying mechanism, which is installed on one side of the electronic scale (3) and is communicatively connected to the controller (7) for conveying the empty mobile coal bucket (4) to the electronic scale (3).
10. The weighing and automatic triggering system according to claim 9, characterized in that: The conveying mechanism is a belt conveyor (17).
Citation Information
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