A coal feeder with a speed measuring probe convenient to replace

Abstract

The utility model provides a kind of coal feeder facilitating replacement of speed measurement probe.The coal feeder facilitating replacement of speed measurement probe includes: installation chassis;Coal feeder, the coal feeder is installed in the top of installation chassis, the inside of the coal feeder is equipped with conveying structure, one end of the coal feeder is equipped with discharging bin, the position of one end of the coal feeder close to top is equipped with sealing plate, one side of the sealing plate is equipped with butt joint plate, one side of the butt joint plate is equipped with equipment frame, the other side of the butt joint plate is equipped with two sealing plugs with socket, the other end of two sealing plugs is equipped with plug block by fixed bolt.The coal feeder facilitating replacement of speed measurement probe provided by the utility model can be replaced by ordinary maintenance personnel without professional tools and complex disassembly steps, reduce the dependence on technical personnel, improve the replacement efficiency, reduce the non-stop risk when unit low load operation during speed measurement probe replacement.

Description

Technical Field

[0001] This utility model relates to the field of coal feeder speed probe technology, and in particular to a coal feeder with an easy-to-replace speed probe. Background Technology

[0002] A coal feeder is a key conveying device in coal-fired power generation and heating systems, connecting the coal bunker and the boiler. Its core function is to accurately, evenly, and continuously transport raw coal from the coal bunker to the coal mill according to the boiler load demand, and to adjust the coal feed rate in real time to match changes in operating conditions. It typically consists of a machine body, conveying device, weighing mechanism, speed control drive system, and control system. It can monitor the coal feed rate through sensors and dynamically adjust the speed according to commands to ensure coal feeding accuracy. According to its structure, it can be divided into belt type, scraper type, screw type, etc., and is widely used in thermal power plants, industrial boilers, and other scenarios. It is an important piece of equipment to ensure stable fuel supply and improve combustion efficiency and system economy.

[0003] The coal feeder speed probe is a key detection component in the coal feeder speed regulation drive and control system. Its core function is to collect the operating speed signals of the coal feeder conveying devices such as belts, scrapers, and screw shafts in real time. It usually converts the mechanical rotation speed of the conveying components into a transmittable electrical signal through non-contact methods such as photoelectric or electromagnetic induction, and feeds it back to the coal feeder control system. The system analyzes the signal to determine whether the conveying device is operating normally and whether there are abnormalities such as slippage or jamming. At the same time, combined with the coal feeding requirements, it dynamically adjusts the speed of the drive system to accurately control the coal feeding. It is an important monitoring component to ensure stable and accurate coal feeding and avoid excessive or interrupted coal feeding due to abnormal speed.

[0004] The existing coal feeder speed probes are mostly fixed bolt connections and installed in a narrow, concealed place near the drum inside the coal feeder. Replacement requires disassembling the outer casing, which is cumbersome and increases the risk of non-stop operation when the unit is running at low load during speed probe replacement.

[0005] Therefore, it is necessary to provide a coal feeder that facilitates the replacement of speed measuring probes to solve the above-mentioned technical problems. Summary of the Invention

[0006] This utility model provides a coal feeder that facilitates the replacement of speed probes, solving the problem that existing coal feeders have bolt-fixed speed probes that are difficult to install and require cumbersome disassembly for replacement, increasing the risk of non-stop operation when the unit is running at low load.

[0007] To solve the above-mentioned technical problems, the coal feeder provided by this utility model, which facilitates the replacement of the speed measuring probe, includes: a mounting base; A coal feeder is installed on top of a mounting base. The feeder has an internal conveying structure. A feeding hopper is installed at one end of the feeder. A sealing plate is installed near the top of one end of the feeder. A connecting plate is installed on one side of the sealing plate, and an equipment frame is installed on one side of the connecting plate. Two sealing bolts with sockets are installed on the other side of the connecting plate. Insert blocks are installed at the other ends of the two sealing bolts via fixing bolts. An mounting plate is installed at the other end of each insert block. Multiple mounting holes are opened on the top of both mounting plates, and speed measuring probes are installed on the top of both mounting plates via limit rings. A deceleration assembly is installed on the top of the coal feeder near the other end. A coal feed hopper is installed on the top of the deceleration assembly, and two drive assemblies are installed on the front of the coal feeder. The conveying structure includes a support frame, conveying rollers, weighing rollers, and a conveyor belt. The insert block is inserted into the inside of the socket. The mating plate has an opening that allows the sealing bolt to be pulled out. The position of the limiting ring corresponds to the position of the mounting port. The limiting ring and the mounting plate are fixedly connected and the speed measuring probe is fixed by snap-fit.

[0008] Preferably, a control box with a door is installed on the top of the mounting base, and an operation panel is installed on the front of the coal feeder; The control panel allows you to set the equipment operating parameters. The control box contains a power switch and a controller for the operation of auxiliary equipment. The door of the box is equipped with a lock.

[0009] Preferably, the mounting base includes a base plate, a mounting structure, and an adjustment structure, wherein the mounting structure is used to mount the adjustment structure to the bottom of the base plate.

[0010] Preferably, the retardation component includes a retardation frame and a plurality of retardation plates, wherein the plurality of retardation plates are installed inside the retardation frame; The deceleration frame is inserted into the top of the coal feeder, and the deceleration plate is installed at an angle with a misalignment.

[0011] Preferably, the drive assembly includes a protective housing, a drive component, and an angle sensor, with the drive component installed inside the protective housing.

[0012] Preferably, a dust collection hood is installed on the top of the coal feeder, and a dust discharge pipe is installed on the top of the dust collection hood; The dust hood and the coal feeder are connected, and the other end of the dust exhaust pipe is connected to one side of the filter structure.

[0013] Preferably, a filter structure and an exhaust structure are installed on the back of the coal feeder; The exhaust system inlet is connected to the filter structure via a pipe.

[0014] Compared with related technologies, the coal feeder with easy-to-replace speed measuring probe provided by this utility model has the following beneficial effects: This utility model provides a coal feeder with an easy-to-replace speed probe. To facilitate the replacement of the speed probe, a connecting plate is installed at the outlet end of the coal feeder via a sealing plate. The sealing plate seals the opening at the connection between the feed hopper and the coal feeder. Two sealing bolts with sockets are installed on one side of the connecting plate, allowing the sealing bolts to be inserted into the coal feeder, facilitating speed probe monitoring of the conveying structure. A mounting plate insert is installed at the other end of the sealing bolts via fixing bolts. A modular bracket facilitates the installation of the speed probe, which is mounted on the mounting plate via a limiting ring. The monitoring end of the speed probe passes through the mounting port and faces the two sides of the conveying structure, allowing for real-time separate monitoring of both sides of the conveying structure, improving monitoring accuracy. This design eliminates the need for specialized tools and complex disassembly steps, allowing ordinary maintenance personnel to complete the replacement, reducing reliance on technical personnel, improving replacement efficiency, and reducing the risk of non-stop operation when the unit is running at low load during speed probe replacement. Attached Figure Description

[0015] Figure 1 A schematic diagram of the first embodiment of the coal feeder for easy replacement of the speed measuring probe provided by this utility model; Figure 2 A structural diagram illustrating the installation structure of this utility model is provided. Figure 3 A schematic diagram of the conveying structure is provided for this utility model; Figure 4 Provided for this utility model Figure 3 An enlarged view of point A shown; Figure 5 A schematic diagram of the drive component is provided for this utility model; Figure 6 This is a schematic diagram of the second embodiment of the coal feeder provided by this utility model, which facilitates the replacement of the speed measuring probe.

[0016] The diagram is labeled as follows: 1. Mounting base frame, 101. Base plate, 102. Mounting structure, 103. Adjustment structure, 2. Control box, 3. Box door, 4. Drive assembly, 401. Protective shell, 402. Drive component, 403. Angle sensor, 5. Coal feeder, 6. Coal hopper, 7. Deceleration assembly, 701. Deceleration frame, 702. Deceleration plate, 8. Control panel, 9. Discharge bin, 10. Sealing plate, 11. Equipment frame, 12. Connecting plate, 13. Conveying structure, 14. Sealing bolt, 15. Insert, 16. Fixing bolt, 17. Mounting port, 18. Mounting plate, 19. Speed ​​probe, 20. Limiting ring, 21. Dust hood, 22. Insert block, 23. Exhaust structure, 24. Filter structure, 25. Dust discharge pipe. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] First Embodiment

[0019] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of the first embodiment of the coal feeder for easy replacement of the speed measuring probe provided by this utility model; Figure 2 A structural diagram illustrating the installation structure of this utility model is provided. Figure 3 A schematic diagram of the conveying structure is provided for this utility model; Figure 4 Provided for this utility model Figure 3 An enlarged view of point A shown; Figure 5 This utility model provides a structural schematic diagram of the drive component. The coal feeder, which facilitates the replacement of the speed measuring probe, includes: a mounting base 1; A coal feeder 5 is installed on top of a mounting base 1. A conveying structure 13 is installed inside the coal feeder 5. A feeding hopper 9 is installed at one end of the coal feeder 5. A sealing plate 10 is installed near the top of one end of the coal feeder 5. A connecting plate 12 is installed on one side of the sealing plate 10. An equipment frame 11 is installed on one side of the connecting plate 12. Two sealing bolts 14 with insertion ports 15 are installed on the other side of the connecting plate 12. Insert blocks 22 are installed at the other ends of the two sealing bolts 14 via fixing bolts 16. An mounting plate 18 is installed at the other end of each insert block 22. Multiple mounting ports 17 are opened on the top of each of the two mounting plates 18. A speed measuring probe 19 is installed on the top of each of the two mounting plates 18 via a limiting ring 20. The slowing component 7 is installed on the top of the coal feeder 5 near the other end. The top of the slowing component 7 is equipped with a coal feed hopper 6. Two drive components 4 are installed on the front of the coal feeder 5. The conveying structure 13 includes a support, conveying rollers, weighing rollers, and a conveyor belt. The insert block 22 is inserted into the insertion port 15. The docking plate 12 has an opening that allows the sealing bolt 14 to be pulled out. The position of the limiting ring 20 and the mounting port 17 are corresponding. The limiting ring 20 and the mounting plate 18 are fixedly connected and the speed probe 19 is fixed by snap-fit. The equipment frame 11 has a controller installed inside to assist the operation of the speed probe 19. The speed probe 19 is connected to the controller inside the equipment frame 11 through a circuit. The drive assembly 4 provides rotational driving force for the conveying structure 13.

[0020] Please refer to Figure 1A control box 2 with a door 3 is installed on the top of the mounting base 1, and an operation panel 8 is installed on the front of the coal feeder 5; The operation panel 8 can set the equipment operating parameters. The control box 2 is equipped with a power switch and a controller for the operation of auxiliary equipment. The box door 3 is equipped with a lock.

[0021] Please refer to Figure 1 and Figure 2 The mounting base 1 includes a base plate 101, a mounting structure 102, and an adjustment structure 103. The mounting structure 102 is used to mount the adjustment structure 103 to the bottom of the base plate 101. The threaded connection between the mounting structure 102 and the adjusting structure 103 can adjust the stability of the base plate 101.

[0022] Please refer to Figure 1 and Figure 3 The retardation component 7 includes a retardation frame 701 and a plurality of retardation plates 702, wherein the plurality of retardation plates 702 are installed inside the retardation frame 701; The deceleration frame 701 is inserted into the top of the coal feeder 5, and the deceleration plate 702 is installed at an angle with a misalignment.

[0023] Please refer to Figure 1 and Figure 5 The drive assembly 4 includes a protective shell 401, a drive component 402 and an angle sensor 403, wherein the drive component 402 is installed inside the protective shell 401; The angle sensor 403, together with the drive component 402 controller, can precisely control the rotation speed.

[0024] The working principle of the coal feeder with an easily replaceable speed measuring probe provided by this utility model is as follows: A connecting plate 12 is installed at the outlet end of the coal feeder 5 via a sealing plate 10, sealing the opening at the connection between the feed hopper 9 and the coal feeder 5. Two sealing bolts 14 with sockets 15 are installed on one side of the connecting plate 12, allowing the sealing bolts 14 to be inserted into the coal feeder 5, facilitating the speed monitoring of the conveying structure 13 by the speed probe 19. A mounting plate 18 insert block 22 is installed at the other end of the sealing bolt 14 via a fixing bolt 16, facilitating the installation of the speed probe 19 via a modular bracket. The speed probe 19 is mounted on the mounting plate 18 via a limiting ring 20, allowing the monitoring end of the speed probe 19 to pass through the mounting port 17 and face the two sides of the conveying structure 13, enabling real-time separate monitoring of both sides of the conveying structure 13 and improving monitoring accuracy. When replacement is needed, the bolts on the connecting plate 12 are loosened, and the structure on the sealing bolt 14 can be pulled out from the sealing plate 10. The operator only needs to disassemble the speed probe 19 or the mounting plate 18 for replacement as required.

[0025] Compared with related technologies, the coal feeder with easy-to-replace speed measuring probe provided by this utility model has the following beneficial effects: To facilitate the replacement of the coal feeder speed probe, a connecting plate 12 is installed at the outlet end of the coal feeder 5 via a sealing plate 10. The sealing plate 10 seals the opening at the connection between the feed hopper 9 and the coal feeder 5. Two sealing bolts 14 with sockets 15 are installed on one side of the connecting plate 12, allowing the sealing bolts 14 to be inserted into the coal feeder 5. This facilitates the speed probe 19 to monitor the speed of the conveying structure 13. At the other end of the sealing bolts 14, a mounting plate 18 insert block 22 is installed via a fixing bolt 16. The modular bracket facilitates the installation of the speed probe 19. The speed probe 19 is mounted on the mounting plate 18 via a limiting ring 20, allowing the monitoring end of the speed probe 19 to pass through the mounting port 17 and face the two sides of the conveying structure 13. This allows for real-time separate monitoring of both sides of the conveying structure 13, improving monitoring accuracy. This design eliminates the need for specialized tools and complex disassembly steps, allowing ordinary maintenance personnel to complete the replacement. This reduces reliance on technical personnel, improves replacement efficiency, and lowers the risk of non-stop operation when the unit is running at low load during speed probe replacement.

[0026] Second Embodiment

[0027] Please refer to the following: Figure 6 , Figure 6 This is a schematic diagram of the second embodiment of the coal feeder with an easily replaceable speed probe provided by this utility model. Based on the coal feeder with an easily replaceable speed probe provided in the first embodiment of this application, the second embodiment of this application proposes another coal feeder with an easily replaceable speed probe. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.

[0028] Specifically, the difference in the coal feeder with easy-to-replace speed probe provided in the second embodiment of this application is that, please refer to... Figure 6 The top of the coal feeder 5 is equipped with a dust suction hood 21, and the top of the dust suction hood 21 is equipped with a dust discharge pipe 25. The dust hood 21 and the coal feeder 5 are connected, and the other end of the dust discharge pipe 25 is connected to one side of the filter structure 24.

[0029] Please refer to Figure 6 A filter structure 24 is installed on the back of the coal feeder 5, and an exhaust structure 23 is installed on the back of the coal feeder 5. The inlet of the exhaust structure 23 is connected to the filter structure 24 via a pipe. The exhaust structure 23 includes a housing and an exhaust pump, and the filter structure 24 includes a housing and an interception component, which can filter dust.

[0030] Compared with related technologies, the coal feeder with easy-to-replace speed measuring probe provided by this utility model has the following beneficial effects: In order to reduce the impact of dust inside the coal feeder 5 on the monitoring accuracy of the speed probe 19, a dust suction hood 21 with a dust exhaust pipe 25 is installed on the top of the coal feeder 5. Together with the filter structure 24 and the exhaust structure 23, the dust inside the coal feeder 5 is sucked out and filtered, reducing the dust content inside the coal feeder 5. This design effectively reduces the impact of dust on the monitoring accuracy of the speed probe 19.

[0031] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A coal feeder with an easily replaceable speed measuring probe, characterized in that, include: Install the base frame; A coal feeder is installed on top of a mounting base. The feeder has an internal conveying structure. A feeding hopper is installed at one end of the feeder. A sealing plate is installed near the top of one end of the feeder. A connecting plate is installed on one side of the sealing plate, and an equipment frame is installed on one side of the connecting plate. Two sealing bolts with sockets are installed on the other side of the connecting plate. Insert blocks are installed at the other ends of the two sealing bolts via fixing bolts. An mounting plate is installed at the other end of each insert block. Multiple mounting holes are opened on the top of both mounting plates, and speed measuring probes are installed on the top of both mounting plates via limit rings. A deceleration assembly is installed on the top of the coal feeder near the other end. A coal feed hopper is installed on the top of the deceleration assembly, and two drive assemblies are installed on the front of the coal feeder.

2. The coal feeder with an easily replaceable speed measuring probe according to claim 1, characterized in that, A control box with a door is installed on the top of the mounting base, and an operation panel is installed on the front of the coal feeder.

3. The coal feeder with easily replaceable speed measuring probe according to claim 1, characterized in that, The mounting base includes a base plate, a mounting structure, and an adjustment structure. The mounting structure is used to mount the adjustment structure to the bottom of the base plate.

4. The coal feeder with an easily replaceable speed measuring probe according to claim 1, characterized in that, The retardation assembly includes a retardation frame and multiple retardation plates, with the multiple retardation plates installed inside the retardation frame.

5. The coal feeder with easily replaceable speed measuring probe according to claim 1, characterized in that, The drive assembly includes a protective housing, a drive component, and an angle sensor, with the drive component installed inside the protective housing.

6. The coal feeder with an easily replaceable speed measuring probe according to claim 1, characterized in that, The top of the coal feeder is equipped with a dust suction hood, and the top of the dust suction hood is equipped with a dust discharge pipe.

7. The coal feeder with easily replaceable speed measuring probe according to claim 1, characterized in that, A filter structure and an exhaust structure are installed on the back of the coal feeder.

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