A cement plant cleaning nozzle

Abstract

The utility model discloses a cement mixing station cleaning shower nozzle, including drive motor, inner rod, outer rod and water outlet device, be provided with a planetary gear set in the water outlet device, and the outer gear ring of planetary gear set is fixedly connected with water outlet device, and rotates synchronously with water outlet device, the lower extreme of inner rod is inserted into water outlet device, and is fixedly connected with the sun wheel of planetary gear set, one side of water outlet device is provided with the shower nozzle rotating seat that can autorotation of inclination through bearing, and the water flow passage of shower nozzle rotating seat is communicated with inner rod, and the planetary gear set of bevel gear pair is driven connection with the planet wheel of planetary gear set through the bevel gear pair. The utility model discloses through increasing a group of planetary gear set, greatly improves the period circle number, can respond to the inside dead angle cleaning of box.

Description

Technical Field

[0001] This utility model relates to the field of cleaning equipment technology, and in particular to a cleaning nozzle for cement mixing plants. Background Technology

[0002] In the production process of cement mixing plants, cleaning nozzles are key equipment, mainly used to remove cement residue and other impurities adhering to the inner surface of the mixing tank to ensure production efficiency and cement quality. However, existing cleaning nozzles on the market have many shortcomings and cannot meet the needs of efficient cleaning.

[0003] On the one hand, the cleaning cycle count is limited. Field tests and data analysis of multiple products revealed a narrow trajectory coverage area with numerous blind spots, resulting in incomplete internal cleaning. Specifically, during actual cleaning, some areas within the mixing tank remained uncleaned, leaving behind stubborn stains, while other areas were excessively and repeatedly cleaned, leading to water waste and prolonged cleaning time, rendering the cleaning ineffective. A deeper analysis reveals that the root cause is the limitation of the water outlet device's size, resulting in common gear ratios such as 31:29, 47:46, and 53:43. The limited number of gear teeth causes the cycle count—the overall cycle of the water outlet device's rotation and revolution—to fall far short of the ideal, inevitably resulting in cleaning blind spots in both near and far areas.

[0004] On the other hand, the sealing effect is inadequate. The existing equipment has obvious deficiencies in its sealing design, which makes it easy for water to leak from the joints of various components under high-pressure water flow. This not only affects the cleaning effect, but may also seep into critical components such as motors, causing equipment failure, increasing maintenance costs and equipment downtime, and greatly reducing production efficiency and equipment lifespan.

[0005] To address the aforementioned industry pain points, we have developed a brand-new cleaning nozzle for cement mixing plants through meticulous research and repeated testing. This nozzle aims to completely revolutionize the existing cleaning model, improve cleaning efficiency and quality, and reduce equipment maintenance costs. Utility Model Content

[0006] This utility model aims to provide a cleaning nozzle for cement mixing plants. Through innovative structural design, it effectively increases the number of cleaning cycles and eliminates cleaning blind spots; at the same time, it improves sealing performance and extends the service life of the equipment.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] This cleaning nozzle mainly consists of a drive motor, an inner rod, an outer rod, and a water outlet device. The outer rod has a hollow structure, tightly fitted around the inner rod, with both strictly coaxial. The inner rod remains stationary, cleverly designed with a water flow channel connecting to the outside to ensure a stable water supply. The drive motor is connected to the outer rod via a transmission mechanism, causing it to rotate. One end of the outer rod is fixedly connected to the water outlet device, thus achieving coordinated operation of the entire system.

[0009] Its key innovation lies in the meticulously designed planetary gear set inside the water outlet device. This planetary gear set includes an external gear ring, a sun gear, and planet gears. The external gear ring is firmly fixed to the water outlet device and rotates synchronously with it. The lower end of the inner rod extends into the water outlet device and is precisely connected to the sun gear of the planetary gear set. Furthermore, on one side of the water outlet device, an inclined and self-rotating nozzle swivel is cleverly installed via bearings. This nozzle swivel connects to the water flow channel inside the inner rod and is efficiently transmitted to the planet gears of the planetary gear set via a bevel gear pair.

[0010] To further optimize the cleaning effect and equipment performance, the present invention also adopts the following preferred design:

[0011] Preferably, the angle between the rotation axis of the nozzle rotator and the axis of the outer rod is 40-55 degrees. This angle range is selected based on extensive experiments and simulations, which maximizes the coverage of the sprayed water flow during the nozzle's rotation, effectively avoiding the formation of blind spots in the cleaning process.

[0012] Preferably, a dustproof sealing ring is provided between the nozzle rotating seat and the water outlet device. This sealing ring not only effectively blocks the intrusion of external dust and impurities, but also prevents internal water leakage, ensuring the stable operation of all internal components of the equipment. In particular, it provides comprehensive protection for key transmission components such as gears and bearings, significantly extending the service life of the equipment.

[0013] Preferably, nozzles are fixedly installed on both sides of the nozzle rotating base, with one nozzle forming an angle of 40-50 degrees with the nozzle rotating base and the other nozzle forming an angle of 70-80 degrees with the nozzle rotating base. Through this unique angle design, the two nozzles can spray water from different directions, forming intersecting cleaning trajectories, achieving all-round, no-dead-angle rinsing of the inner surface of the mixing tank, significantly improving the cleaning effect.

[0014] Preferably, a connecting shaft is fixedly connected to the lower end of the inner rod. The connecting shaft is fixedly connected to the sun gear of the planetary gear set. One end of the connecting shaft is provided with a liquid flow channel, and a water outlet hole communicating with the liquid flow channel is provided on the connecting shaft. The connecting shaft is connected to the nozzle rotating seat through the water outlet hole. This ensures that water can be stably and smoothly delivered from the inner rod to the nozzle rotating seat via the connecting shaft.

[0015] Furthermore, high-pressure sealing rings are respectively installed above and below the water outlet. These high-pressure sealing rings can provide excellent sealing performance under high-pressure water flow environment, effectively preventing water leakage from the gap between the connecting shaft and the water outlet device, ensuring the stability of equipment operation and the efficient utilization of water resources.

[0016] Preferably, a bottom cover is fixedly installed at the bottom of the water outlet device, and the planetary gear set is mounted on the bottom cover. This structural design not only enhances the overall structural strength of the water outlet device, but also provides a reliable mounting foundation for the planetary gear set, ensuring its stability and accuracy during high-speed operation, thereby guaranteeing the stable operation of the entire cleaning nozzle system.

[0017] This invention presents a cleaning nozzle for cement mixing plants. Compared to traditional products, it cleverly adds a planetary gear set to the traditional cleaning nozzle, significantly increasing the number of cleaning cycles. Actual testing shows that the number of cycles can reach approximately 300, easily meeting the complex and varied cleaning needs within the mixing tank of a cement mixing plant, achieving true, thorough cleaning. Simultaneously, through multiple sealing measures, including dustproof sealing rings, it effectively isolates key components such as gears and bearings from dust and water corrosion, greatly extending the equipment's service life and operational reliability, providing a strong guarantee for the efficient production of cement mixing plants. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of a cleaning nozzle structure for a cement mixing plant proposed in this utility model.

[0020] In the diagram: 1. Motor; 2. Gearbox; 3. Driven gear; 4. Gearbox; 5. First dustproof seal; 6. First high-pressure seal; 7. First bevel gear; 8. Bottom cover; 9. External gear ring; 10. Sun gear; 11. Planetary gear; 12. Nozzle rotating seat; 13. Second dustproof seal; 14. Side cover; 15. Nozzle; 16. Second bevel gear; 17. Second high-pressure seal; 18. Water outlet device; 19. Outer rod; 20. Inner rod; 21. Bushing; 22. Drive gear; 23. Connecting shaft. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0022] Reference Figure 1 This embodiment provides a cleaning nozzle for a cement mixing plant, the structure of which is as follows: Figure 1 As shown, it mainly includes components such as gearbox 4, reduction gearbox 2, motor 1, bushing 21, inner rod 20, outer rod 19, and water outlet device 18.

[0023] Connection between gearbox and reducer: Reducer 2 is fixedly installed on one side of gearbox 4. The output end of reducer 2 is fixedly installed with a drive gear 22 located inside gearbox 4, and the input end of reducer 2 is fixedly installed with motor 1. When motor 1 runs, the drive gear 22 is driven to rotate by the reduction action of reducer 2.

[0024] Assembly of the bushing and inner rod: A bushing 21 passes through the lower part of one side of the gearbox 4, and an inner rod 20 passes through the middle of the bushing 21. The upper end of the inner rod 20 passes through the gearbox 4 and is fixedly connected to the gearbox 4, so that the inner rod 20 remains fixed in this embodiment. A first dustproof sealing ring 5 is fitted on the outer side of the bushing 21. The outer side of the first dustproof sealing ring 5 abuts against the gearbox 4, effectively preventing external dust and impurities from entering the gearbox and ensuring the reliability of the internal gear transmission. A driven gear 3 that meshes with the driving gear 22 is fixedly connected to the upper part of the bushing 21. When the driving gear 22 rotates, the bushing 21 is driven to rotate through gear meshing. An outer rod 19 that is penetrated by the inner rod 20 is fixedly installed at the lower end of the bushing 21. The outer rod 19 and the inner rod 20 are coaxially arranged to ensure the symmetry and stability of the entire structure.

[0025] Water outlet device structure: A water outlet device 18 is fixedly installed at the lower end of the outer rod 19. A planetary gear set is cleverly installed inside the water outlet device 18, consisting of an outer gear ring 9, a sun gear 10, and planet gears 11. The outer gear ring 9 is fixedly connected to the housing of the water outlet device 18 and rotates synchronously with it. The inner rod 20 has a carefully designed water flow channel that can communicate with the outside. A connecting shaft 23 is fixedly connected to the lower end of the inner rod 20. The connecting shaft 23 is fixedly connected to the sun gear 10 of the planetary gear set, ensuring that the sun gear 10 remains stationary in this embodiment. One end of the connecting shaft 23 has a liquid flow channel, and a water outlet hole communicating with the liquid flow channel is also provided on it. After the water flows through the inner rod 20 and the connecting shaft 23, it communicates with the nozzle rotating seat 12 through the water outlet hole, providing a water source for the nozzle to spray water.

[0026] Planetary gear transmission relationship: Planetary gear 11 is fixedly connected to the first bevel gear 7. At the same time, planetary gear 11 meshes with the external gear ring 9 and the sun gear 10 respectively, realizing a complex gear transmission relationship, providing a power basis for the rotation and revolution of the subsequent nozzle rotating seat.

[0027] Sprayer Head Rotary Seat Structure and Installation: An inclined, rotatable sprayer head rotary seat 12 is mounted on one side of the water outlet device 18 via a bearing. The angle between the rotation axis of the sprayer head rotary seat and the axis of the outer rod is precisely set to 40-55 degrees. This inclined design allows the sprayer head rotary seat 12 to cover a wider cleaning area during rotation, effectively avoiding blind spots. Nozzles 15 are fixedly installed on both sides of the sprayer head rotary seat. One nozzle has an angle of 40-50 degrees with the sprayer head rotary seat, and the other nozzle has an angle of 70-80 degrees. The different angles of the nozzles enable all-around rinsing of the inner surface of the mixing tank, improving the cleaning effect.

[0028] Bevel gear transmission: In addition to the planetary gear set, a first bevel gear 7 located above the planetary gear set is fixedly installed at the bottom end of the connecting shaft 23. A second bevel gear 16 meshing with the first bevel gear 7 is fixedly sleeved at one end of the nozzle rotating seat 12. Through this pair of bevel gears, the rotation of the planetary gear 11 is transmitted to the nozzle rotating seat 12, causing it to rotate. This achieves a composite motion of rotation and revolution of the nozzle rotating seat 12, greatly increasing the diversity and coverage of the cleaning trajectory.

[0029] Sealing Structure Design: A bottom cover 8 is fixedly installed at the bottom of the water outlet device 18, and a planetary gear set is stably mounted on the bottom cover 8. A side cover 14 is fixedly installed on the side of the water outlet device 18, and a second dustproof sealing ring 13 is installed on the inner side of the side cover 14, which is fitted onto the outer side of the nozzle rotating seat 12, further enhancing the dustproof performance of the equipment. A second high-pressure sealing ring 17 is fitted at one end of the nozzle rotating seat 12, and the outer surface of the second high-pressure sealing ring 17 abuts against the water outlet device 18, effectively preventing high-pressure water from leaking in the gap between the nozzle rotating seat 12 and the water outlet device 18. Two first high-pressure sealing rings 6 are fitted on the outer side of the connecting shaft 23, and the outer surface of the first high-pressure sealing rings 6 abuts against the water outlet device 18, and the water outlet on the water outlet device 18 is located between the two first high-pressure sealing rings 6. This unique sealing design ensures stable water pressure during the transportation process and avoids affecting the cleaning effect and normal operation of the equipment due to water leakage.

[0030] Working Principle: In operation, motor 1 acts as the power source. The speed is reduced and the torque increased by the reduction gearbox 2, driving the drive gear 22 to rotate. The drive gear 22 meshes with the driven gear 3, thereby driving the bushing 21 to rotate. The rotation of the bushing 21 further drives the water outlet device 18 to rotate via the outer rod 19, causing the water outlet device 18 to drive the nozzle rotating seat 12 to revolve along the axis of the outer rod 19. Simultaneously, since the sun gear 10 is fixed on the connecting shaft 23, when the water outlet device 18 drives the outer gear ring 9 to rotate, the outer gear ring 9 meshes with the planet gear 11, causing the planet gear 11 to rotate around the sun gear 10. The planet gear 11 drives the first bevel gear 7 to rotate, and the first bevel gear 7, in turn, meshes with the second bevel gear 16, causing the nozzle rotating seat 12 to rotate along its own axial direction. The water flows through the water channel inside the inner rod 20, the liquid flow channel of the connecting shaft 23, and the water outlet, and finally sprays out from the nozzle 15 on the nozzle rotating seat 12. With the help of the combined rotation and revolution of the nozzle rotating seat 12, the surface of the cement mixing tank is cleaned without dead angles. This effectively solves the problems of blind spots and ineffective cleaning that exist in traditional cleaning nozzles, and greatly improves cleaning efficiency and quality.

[0031] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0032] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A cleaning nozzle for a cement mixing plant, comprising a drive motor, an inner rod, an outer rod, and a water outlet device, wherein the outer rod is a hollow structure, fitted over the inner rod, and the outer and inner rods are coaxially arranged; the inner rod is fixedly installed; the inner rod has a water flow channel that can communicate with the outside; the drive motor is connected to the outer rod via a transmission mechanism; one end of the outer rod is fixedly connected to the water outlet device; characterized in that... The water outlet device is equipped with a planetary gear set, which includes an external gear ring, a sun gear, and planet gears. The external gear ring of the planetary gear set is fixedly connected to the water outlet device and rotates synchronously with the water outlet device. The lower end of the inner rod extends into the water outlet device and is fixedly connected to the sun gear of the planetary gear set. An inclined, self-rotating nozzle rotating seat is provided on one side of the water outlet device through a bearing. The nozzle rotating seat is connected to the water flow channel of the inner rod and is driven by the planet gears of the planetary gear set through a bevel gear pair.

2. A cleaning nozzle for a cement mixing plant according to claim 1, characterized in that, The angle between the rotation axis of the nozzle rotating seat and the axis of the outer rod is 40-55 degrees.

3. A cleaning nozzle for a cement mixing plant according to claim 1, characterized in that, A dustproof sealing ring is installed between the nozzle rotating seat and the water outlet device.

4. A cleaning nozzle for a cement mixing plant according to claim 1, characterized in that, Nozzles are fixedly installed on both sides of the nozzle rotating base, with one nozzle having an angle of 40-50 degrees with the nozzle rotating base and the other nozzle having an angle of 70-80 degrees with the nozzle rotating base.

5. A cleaning nozzle for a cement mixing plant according to claim 1, characterized in that, The lower end of the inner rod is fixedly connected to a connecting shaft, which is fixedly connected to the sun gear of the planetary gear set. One end of the connecting shaft is provided with a liquid flow channel, and the connecting shaft is provided with a water outlet hole that communicates with the liquid flow channel. The connecting shaft is connected to the nozzle rotating seat through the water outlet hole.

6. A cleaning nozzle for a cement mixing plant according to claim 5, characterized in that, High-pressure sealing rings are installed above and below the water outlet.

7. A cleaning nozzle for a cement mixing plant according to claim 1, characterized in that, The bottom of the water outlet device is fixedly installed with a bottom cover, and the planetary gear set is set on the bottom cover.

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