Precise checking monitor for wind speed of boiler pulverized coal pipeline
By designing a striking component on the inner wall of the boiler pulverized coal pipeline, the problem of solid particulate matter adhesion affecting wind speed measurement was solved, achieving high-precision wind speed monitoring and reducing energy consumption, thus improving the practicality and environmental friendliness of the device.
Patent Information
- Application Number
- CN202520281385.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-21
AI Technical Summary
Solid particles adhering to the inner wall of existing boiler pipes affect the accuracy of wind speed measurement, resulting in reduced monitoring efficiency.
A precise wind speed check and monitoring device for boiler pulverized coal pipelines was designed. The device uses a motor-driven striking component to continuously strike the inner wall of the pipeline, shaking off attached particles and carrying them away with the airflow. Combined with an active and passive gear transmission system, the device enables the synchronous operation of multiple striking components.
It improves the accuracy of wind speed measurement, reduces energy consumption, and enhances the practicality and environmental friendliness of the device.
Smart Images

Figure CN223883595U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of wind speed measurement more specifically, relate to a boiler coal pipeline wind speed accurate check monitor. BACKGROUND
[0002] The wind speed and volume need to be measured in the boiler pipeline to ensure the normal operation of the boiler, and the accuracy of the measurement directly affects the stability, economy and safety and reliability of the boiler combustion, the patent publication No. CN220231782U discloses a device for measuring the wind speed in the coal powder boiler pipeline, including boiler pipeline, negative pressure main pipe, positive pressure main pipe, mounting plate and differential pressure transmitter, the negative pressure main pipe and the positive pressure main pipe are fixedly connected at the bottom of the mounting plate, the top of the boiler pipeline is provided with a fixed groove matched with the bottom of the mounting plate, the top of the boiler pipeline and located at the outer wall of the fixed groove is provided with a limiting groove, the bottom of the mounting plate is fixedly connected with a limiting plate matched with the limiting groove, the limiting groove is screw connected with a threaded rod on both sides, the threaded rods are rotatably connected with conical blocks on the side close to each other, and the side wall of the limiting plate is provided with a sliding groove matched with the conical block, the utility model has the beneficial effects that: by rotating the threaded rod to move outwardly, the conical block is driven to move outwardly, the extrusion on the sliding groove is released, the mounting plate can be pulled out upwardly to take out the positive pressure main pipe and the negative pressure main pipe, so that the measuring device can be maintained conveniently, and the convenience of the device is improved.
[0003] In the prior art, but in the actual measurement process, due to the side wall inside the pipeline due to the continuous solid gas mixture passing through the side wall, the shape of the side wall inside the pipeline is affected, thereby affecting the gas passing through, further affecting the wind speed measurement, and reducing the accurate monitoring efficiency of the monitor. UTILITY MODEL CONTENTS
[0004] 1. Technical problem to be solved
[0005] In view of the problems existing in the prior art, the utility model aims at providing a boiler coal pipeline wind speed accurate check monitor, which can realize continuous knocking vibration on the side wall, so that the solid particles attached to the side wall inside the pipeline can be shaken off, and in the process of shaking off, the airflow is taken away, so that the whole monitor effectively avoids the airflow velocity influence caused by the structural change of the inner wall solid matter attachment, and improves the monitoring accuracy of the whole device.
[0006] 2. Technical scheme
[0007] In order to solve the above problems, the utility model adopts the following technical scheme.
[0008] The utility model provides a kind of boiler coal pipeline wind speed accurate check monitor, including boiler pipeline, detachable installation is equipped with mounting plate in the top of the boiler pipeline, test pipeline is movably sleeved in the inside of the mounting plate, mounting frame is fixedly installed at the bottom of the boiler pipeline, bottom plate is fixedly installed at the bottom end of the mounting frame, fixed plate is fixedly installed on the outside of the bottom plate, press plate is fixedly installed at the top of the fixed plate, mounting ring is fixedly installed in the four corners of the bottom plate, bevel gear two is rotatably installed at the top of the mounting ring, rotating shaft is fixedly installed at the top of the bevel gear two, a plurality of knock components are fixedly installed on the outer wall of the rotating shaft.
[0009] Further, the inside of the mounting frame is fixedly installed with motor, the output shaft of the motor is fixedly sleeved with driving gear, and the surface of the driving gear is engaged with belt.
[0010] Further, the top surface of the bottom plate is fixedly installed with limiting frame, the inside of the limiting frame is rotatably installed with connecting shaft, the middle part of the connecting shaft is fixedly installed with driven gear, and the left and right ends of the connecting shaft are fixedly installed with bevel gear one.
[0011] Further, the number of the driven gear is two, and the two driven gears are located at the left and right ends of the belt respectively and are engaged with the belt.
[0012] Further, the side of the press plate is integrally formed with rounded surface.
[0013] Further, the bevel gear two and the bevel gear one are engaged with each other.
[0014] Further, the knock component includes fixed pipe, the inside of the fixed pipe is provided with sliding cavity, the inside of the sliding cavity is fixedly connected with spring, one end of the spring is fixedly connected with telescopic rod, and the outer end of the telescopic rod is fixedly installed with knock ball.
[0015] Further, the shape of the telescopic rod is matched with the shape of the sliding cavity, and the fixed pipe is fixedly installed on the outer wall of the rotating shaft.
[0016] 3. Beneficial effects
[0017] Compared with the prior art, the utility model has the advantages that:
[0018] (1) The press plate and the rotating shaft cooperate with the knock component to continuously knock and vibrate the side surface of the inner wall of the boiler pipeline, so that the particles attached to the inner side wall surface can be shaken off, preventing them from being attached and accumulated on the surface, and improving the practicability and detection accuracy of the overall device.
[0019] (2) this scheme utilizes the driving gear cooperation passive gear and the belt can adopt one motor to simultaneously to multiple rotating shafts for sustained rotation, realizes the operation purpose of one drags many, reduces the redundant energy loss, improves the environmental protection of the overall device. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is the overall structure schematic view in the utility model;
[0021] Figure 2 It is the knocking device three-dimensional assembly structure schematic view in the utility model;
[0022] Figure 3 It is the pressing plate structure schematic view in the utility model;
[0023] Figure 4 It is the bottom plate structure schematic view in the utility model;
[0024] Figure 5 It is the rotating shaft structure schematic view in the utility model;
[0025] Figure 6 It is the knocking assembly structure schematic view in the utility model.
[0026] Mark explanation in drawing:
[0027] 1, boiler pipeline;2, mounting plate;3, test pipeline;4, mounting frame;5, bottom plate;6, pressing plate;7, rotating shaft;8, knocking assembly;9, motor;10, belt;501, limit frame;502, connecting shaft;503, passive gear;504, helical gear one;505, mounting ring;601, round corner surface;602, fixed plate;701, helical gear two;801, fixed tube;802, spring;803, telescopic rod;804, knocking ball;901, driving gear. DETAILED DESCRIPTION
[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model;Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments;Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.
[0029] In the description of the utility model, it needs to explain, the term "upper", "lower", "internal", "external", "top / bottom end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as the limitation of the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0030] In the description of the utility model, it needs to explain, unless otherwise specified and limited, the term "installation", "set with", "sleeve / interfacing", "connection" and so on, should be broad understanding, for example, "connection", can be fixed connection, can also be detachable connection, or integrally connected;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through the intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0031] Embodiment 1:
[0032] Please refer to Figures 1-6 A boiler coal pipeline wind speed accurate checking monitor, including boiler pipeline 1, the top of boiler pipeline 1 can be detachably installed with mounting plate 2, the inside of mounting plate 2 is movably sleeved with test pipeline 3, the bottom of boiler pipeline 1 is fixedly installed with mounting bracket 4, the bottom of mounting bracket 4 is fixedly installed with bottom plate 5, the outside of bottom plate 5 is fixedly installed with fixed plate 602, the top of fixed plate 602 is fixedly installed with pressing plate 6, the four corners of bottom plate 5 are fixedly installed with mounting ring 505, the top of mounting ring 505 is rotatably installed with bevel gear two 701, the top of bevel gear two 701 is fixedly installed with rotating shaft 7, the outer wall of rotating shaft 7 is fixedly installed with a plurality of knock components 8;
[0033] It needs to explain that the boiler pipeline 1, mounting plate 2 and test pipeline 3 in the application all belong to the prior art means in the comparative document, therefore belong to the existing mature technology, so in the application, this is not too much elaboration;
[0034] The motor 9 is fixedly installed in the inside of the mounting frame 4, the output shaft of the motor 9 is fixedly sleeved with a driving gear 901, the surface of the driving gear 901 is engaged with a belt 10, the top surface of the bottom plate 5 is fixedly installed with a limiting frame 501, the inside of the limiting frame 501 is rotatably installed with a connecting shaft 502, the middle part of the connecting shaft 502 is fixedly installed with a driven gear 503, the left and right two ends of the connecting shaft 502 are both fixedly installed with a bevel gear one 504, the number of the driven gears 503 is two, the two driven gears 503 are respectively located at the left and right two ends of the belt 10 and are mutually engaged with the belt 10.
[0035] Specifically, the limiting frame 501 can assist the connecting shaft 502 to rotate in situ, ensure the transmission effect of the bevel gear one 504, and also ensure that the driven gear 503 can be always engaged with the belt 10, so as to ensure transmission. The engagement connection between the belt 10 and the gear can prevent the belt 10 from slipping due to insufficient wrap angle. Finally, the mounting ring 505 can limit the rotation of the rotating shaft 7 as a whole, prevent it from deviating from other positions, and provide a fixed relationship for the pressing plate 6 as a whole through the bottom plate 5, so as to ensure the interaction between the pressing plate 6 and the knocking assembly 8.
[0036] One side of the pressing plate 6 is integrally formed with a round corner curved surface 601, the bevel gear two 701 and the bevel gear one 504 are mutually engaged, the knocking assembly 8 comprises a fixed tube 801, the inside of the fixed tube 801 is provided with a sliding cavity, the inside of the sliding cavity is fixedly connected with a spring 802, one end of the spring 802 is fixedly connected with a telescopic rod 803, the outer end of the telescopic rod 803 is fixedly installed with a knocking ball 804, the shape of the telescopic rod 803 is matched with the shape of the sliding cavity, and the fixed tube 801 is fixedly installed on the outer wall of the rotating shaft 7.
[0037] Specifically, the curved surface structure of the round corner curved surface 601 can automatically convert the force into the pressure of the spring 802 when the knocking ball 804 contacts, so that the knocking ball 804 has the function of knocking and releasing when it leaves the pressing plate 6, and the side of the boiler pipeline 1 is knocked and vibrated. Secondly, the spherical surface structure of the knocking ball 804 can also cooperate with the round corner curved surface 601 to ensure that the contact between the two is smoother, so as to prevent the phenomenon of motion exclusion from affecting transmission.
[0038] The working principle of the utility model is: firstly, the motor 9 drives the driving gear 901 to rotate, the belt 10 drives the driven gear 503 to rotate, the connecting shaft 502 drives the bevel gear one 504 to rotate, the bevel gear one 504 drives the bevel gear two 701 to rotate at the same time, so that the rotating shaft 7 rotates as a whole, the knocking ball 804 also rotates continuously in the process, when it contacts the inner wall of the pressing plate 6, first contacts the round corner surface 601, then drives the knocking ball 804 to move to the inside of the sliding cavity, the spring 802 is compressed at this time, when it leaves the pressing plate 6, the spring 802 drives the knocking ball 804 to reset, then knocks on the outer wall of the boiler pipeline 1 to complete the knocking vibration, the particles adhered to the inner side wall of the boiler pipeline 1 fall in the boiler pipeline 1 under the continuous knocking vibration and are taken away with the airflow.
[0039] The above is only the preferred embodiment of the utility model; but the protection scope of the utility model is not limited to this. Any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the improvement concept of the utility model, is equivalent to replace or change, should be covered in the protection scope of the utility model.
Claims
1. A boiler coal pipeline wind speed accurate calibration monitor, comprising a boiler pipeline (1), characterized in that: The top end of the boiler pipeline (1) is detachably installed with a mounting plate (2), the inside of the mounting plate (2) is movably sleeved with a test pipeline (3), the bottom of the boiler pipeline (1) is fixedly installed with a mounting frame (4), the bottom end of the mounting frame (4) is fixedly installed with a bottom plate (5), the outer side of the bottom plate (5) is fixedly installed with a fixed plate (602), the top end of the fixed plate (602) is fixedly installed with a pressing plate (6), the four corners of the bottom plate (5) are all fixedly installed with a mounting ring (505), the top end of the mounting ring (505) is rotatably installed with a bevel gear two (701), the top end of the bevel gear two (701) is fixedly installed with a rotating shaft (7), the outer wall of the rotating shaft (7) is fixedly installed with a plurality of knocking assemblies (8).
2. The boiler coal pipe wind speed accurate checking monitor according to claim 1, characterized in that: The inside of the mounting frame (4) is fixedly installed with a motor (9), the output shaft of the motor (9) is fixedly sleeved with a driving gear (901), the surface of the driving gear (901) is engaged with a belt (10).
3. The precise checking and monitoring device for the wind speed of the coal pipe of a boiler according to claim 1, characterized in that: The top surface of the bottom plate (5) is fixedly installed with a limiting frame (501), the inside of the limiting frame (501) is rotatably installed with a connecting shaft (502), the middle part of the connecting shaft (502) is fixedly installed with a driven gear (503), the left and right ends of the connecting shaft (502) are all fixedly installed with a bevel gear one (504).
4. The precise checking and monitoring device for the wind speed of the coal pipe of a boiler according to claim 3, characterized in that: The number of the driven gear (503) is two, the two driven gears (503) are located at the left and right ends of the belt (10) respectively and are engaged with each other.
5. The precise checking and monitoring device for the wind speed of the coal pipe of a boiler according to claim 1, characterized in that: One side of the pressing plate (6) is integrally formed with a round corner curved surface (601).
6. The precise checking and monitoring device for the wind speed of the coal pipe of a boiler according to claim 1, characterized in that: The bevel gear two (701) and the bevel gear one (504) are engaged with each other.
7. The precise checking and monitoring device for the wind speed of the coal pipe of a boiler according to claim 1, characterized in that: The knocking assembly (8) comprises a fixed tube (801), a sliding cavity is formed in the inside of the fixed tube (801), a spring (802) is fixedly connected in the inside of the sliding cavity, one end of the spring (802) is fixedly connected with a telescopic rod (803), and a knocking ball (804) is fixedly installed at the outer end of the telescopic rod (803).
8. The precise checking and monitoring device for the wind speed of the coal pipe of a boiler according to claim 7, characterized in that: The shape of the telescopic rod (803) is matched with the shape of the sliding cavity, and the fixed tube (801) is fixedly installed on the outer wall of the rotating shaft (7).
Citation Information
Patent Citations
Device for measuring wind speed in pulverized coal fired boiler pipeline
CN220231782U