Transmission mechanism of dedusting rapping device

Abstract

A transmission mechanism of a dust removal rapping device comprises a motor, a reduction gear and a transmission shaft, the motor is arranged on the upper side of a gearbox, a connecting flange is arranged on the lower portion of the gearbox and arranged on a flange support, the flange support is arranged on the upper side of an electric field shell, and a heat insulation gasket is arranged between the flange support and the electric field shell. A bearing is arranged in a bearing hole in the middle of the supporting plate. A motor rotating shaft is connected with the upper side of a reduction gear. A connecting shaft is arranged on the lower side of the reduction gear and connected with a transmission shaft through the coupler. A ceramic shaft is arranged at the lower end of the transmission shaft. A rapping connecting rod is arranged at the lower end of the porcelain shaft. The transmission shaft bearing of the transmission mechanism is arranged in a lifting mode, the high-temperature influence is effectively avoided, the working efficiency is improved, and the service life is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of machinery, and more particularly to a transmission mechanism for a dust removal rapping device. Background Technology

[0002] Dust removal (cathode) rapping is an important part of cement production. It improves collection efficiency by extending the electric field length. When the dust in the flue gas is in a normal state, its collection efficiency can reach more than 99%.

[0003] Current cathode rapping transmission mechanisms generally consist of a motor, a reduction gear, a drive shaft, and a ceramic shaft. The motor shaft has a reduction gear at its lower end, and a connecting shaft is located below the reduction gear. The connecting shaft and the drive shaft are movably connected by a coupling. The lower end of the drive shaft is detachably connected to the upper end of the magnetic shaft, and the lower end of the magnetic shaft is detachably connected to the rapping linkage. In actual operation, the drive shaft bearings of cathode rapping systems frequently fail, leading to complete shutdowns. The main reason is that the space for the bearing housing on the electric field housing is limited (the bearing housing is installed close to the electric field housing), making it easy for the high temperature of the electric field housing to be conducted. Typically, the temperature of the electric field housing reaches 100℃-150℃. When the high temperature of the electric field housing is conducted to the bearing, the initial oil inside the bearing will evaporate due to the high temperature, causing the bearing to run dry for a long time, eventually leading to damage.

[0004] How to improve the existing rapping transmission mechanism to overcome the above-mentioned shortcomings and achieve the practical effect of long-term operation without conducting high temperature is a problem that needs to be solved by those skilled in the art. Summary of the Invention

[0005] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a transmission mechanism for a dust removal vibrating device. The motor shaft of the transmission mechanism is connected to the upper side of the reduction gear, and a connecting shaft is provided on the lower side of the reduction gear. The connecting shaft and the transmission shaft are movably connected by a coupling, and a magnetic shaft is provided at the lower end of the transmission shaft. The transmission shaft bearing of this device is raised and effectively avoids the influence of high temperature, thereby improving working efficiency and extending service life.

[0006] The purpose of this utility model is achieved through the following technical solution: It includes a motor, a reduction gear, and a transmission shaft. The motor is located on the upper side of the gearbox. A connecting flange is located at the lower part of the gearbox. The connecting flange is located on a flange support. The flange support is located on the upper side of the electric field housing. A heat-insulating gasket to prevent high-temperature conduction is provided between the flange support and the electric field housing. The connecting flange, flange support, and electric field housing are all made of stainless steel. A reduction gear is horizontally arranged inside the gearbox. A shaft hole is located in the center of the upper side of the flange support. A coupling is located in the shaft hole. A support plate is located in the center of the flange support. A bearing hole is located in the center of the support plate. A bearing is located in the bearing hole. The motor shaft is connected to the upper side of the reduction gear. A connecting shaft is located on the lower side of the reduction gear. The connecting shaft and the transmission shaft are movably connected by a coupling. The bearing fits around the outer circle of the corresponding part of the transmission shaft. A ceramic shaft is located at the lower end of the transmission shaft. A vibrating connecting rod is located at the lower end of the ceramic shaft. Vibrating hammers are evenly arranged around the lower periphery of the vibrating connecting rod.

[0007] The beneficial effects of this utility model are as follows: by setting a heat-insulating gasket between the flange support and the electric field housing, the high temperature on the electric field housing is prevented from being transferred to the flange support; by setting a support plate inside the flange support, the bearing is facilitated to be suspended and installed away from the electric field housing; by placing the bearing on the upper side of the support plate, firstly, the lower part of the shaft is effectively regulated, friction is reduced, and the motor shaft rotates more flexibly and smoothly; secondly, by moving it away from the electric field housing, the upward conduction of high temperature from the electric field housing is prevented. The transmission mechanism of this utility model has been specifically improved based on the existing one, raising the bearing position accordingly and moving it away from the high-temperature zone on the electric field housing, ensuring the stability and durability of the shaft operation. Attached Figure Description

[0008] Figure 1 This is an external schematic diagram of the vibration transmission mechanism of this utility model.

[0009] Figure 2 This is a schematic diagram of the internal structure of the vibration transmission mechanism of this utility model.

[0010] Figure 3 This is an overall structural diagram of the vibration transmission mechanism of this utility model.

[0011] Figure 4 This is a structural diagram of the reduction gear of the vibration transmission mechanism of this utility model.

[0012] Figure 5 This is a schematic diagram of the installation of the vibration transmission mechanism of this utility model.

[0013] The components include: 1. Motor; 2. Gearbox; 3. Connecting flange; 4. Flange support; 5. Thermal insulation gasket; 6. Electric field housing; 7. Top plate; 8. Inspection port; 9. Reduction gear; 10. Coupling; 11. Bearing; 12. Thermal insulation ring; 13. Drive shaft; 14. Ceramic shaft; 15. Vibrating rod; 16. Connecting shaft; 17. Large convex gear; 18. Small convex gear; 19. Flat gear; 20. Vibrating hammer. Detailed Implementation

[0014] The present invention will now be further described with reference to the accompanying drawings.

[0015] It should be noted that the terms "upper side", "lower side", "center", "outer side", "one end", "outer edge", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0016] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed," "equipped with," "set up," "connected," etc., should be interpreted broadly. For example, "connection" 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 an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms based on the specific circumstances.

[0017] See Figure 1 The motor 1 is a high-voltage DC motor with a power rating of >8000W. The motor 1 is located on the upper side of the bevel gearbox 2. The gearbox 2 is located on the upper side of the conical connecting flange 3. The connecting flange 3 is detachably located on the upper side of the cylindrical flange support 4. The flange support 4 is detachably located at the center of the upper side of the cylindrical electric field housing 6. An inspection port 8 is provided on the upper part of one side of the electric field housing 6. A matching movable cover plate is provided on the outer edge of one side of the inspection port 8. A top plate 7 for dust protection is provided on the lower side of the electric field housing 6.

[0018] Furthermore, a carbon fiber heat insulation gasket 5 is provided between the flange support 4 and the electric field housing 6.

[0019] By using the above technical solution, by setting a heat insulation gasket 5 between the flange support 4 and the electric field housing 6, the high temperature on the electric field housing 6 will not be transmitted to the flange support 4, thereby improving the working performance of the transmission mechanism.

[0020] It should be noted that the lower outer edge of the connecting flange 3 is provided with a circular fixing edge with screw holes, and the upper and lower outer edges of the flange support 4 are both provided with circular fixing edges with screw holes.

[0021] Assembly of connecting flange 3 and flange support 4: First, align the fixed edge of the lower outer edge of connecting flange 3 with the fixed edge of the upper outer edge of flange support 4, and then tighten them with screws.

[0022] Flange support 4 installation: 1. Place the fixing edge of the lower outer edge of the flange support 4 at the center of the upper side of the electric field housing 6; 2. Align the screw hole on the fixing edge of the flange support 4 with the screw hole at the center of the upper side of the electric field housing 6; 3. Securely fix the flange support 4 to the center of the upper side of the electric field housing 6 with the screw rod.

[0023] See Figure 2 The lower end of the motor 1 shaft extends into the lower part of the gearbox 2, and the lower end of the motor 1 shaft is provided with a reduction gear 9, which is horizontally located in the middle section of the gearbox 2.

[0024] It should be noted that the lower end of the motor 1 shaft passes through the shaft hole located in the center of the upper side of the gearbox 2, and is then welded and fixed to the center of the upper side of the reduction gear 9.

[0025] It should be noted that a shaft hole is provided at the center of the lower side of the gearbox 2, and a shaft hole is provided at the center of the upper side of the connecting flange 3. The shaft hole on the upper side of the connecting flange 3 is aligned with and passes through the shaft hole on the lower side of the gearbox 2.

[0026] The flange support 4 has a shaft hole at the center of the upper side for the motor 1 shaft to pass through. The flange support 4 has a coupling 10 at the center of the upper side of the shaft hole. The coupling 10 is open on both the upper and lower sides. The inner diameter of the coupling 10 is equal to the inner diameter of the shaft hole. The shaft hole includes the shaft holes on the upper and lower sides of the gearbox 2, the shaft holes on the upper and lower sides of the connecting flange 3, and the shaft holes on the upper and lower sides of the flange support 4.

[0027] Furthermore, a steel support plate is horizontally installed in the middle section of the inner wall of flange support 4.

[0028] By using the above technical solution, by setting a support plate in the inner cavity of the flange support 4, it is beneficial to suspend the bearing 11 horizontally, so that the installed bearing 11 is far away from the high temperature zone on the electric field housing 6.

[0029] Furthermore, a bearing hole is provided at the center of the upper side of the pallet, and a bearing 11 is installed in the bearing hole.

[0030] By using the above technical solution, by setting the bearing 11 on the upper side of the pallet, firstly, it can effectively regulate the lower shaft of the motor 1, reduce friction, and make the shaft rotate more flexibly and smoothly; secondly, it is far away from the electric field housing 6, thus preventing the high temperature on the electric field housing 6 from being conducted upwards.

[0031] The existing connection flange 3 and flange support 4 have heights of 40cm and 50cm respectively, while the connection flange 3 and flange support 4 in this application have heights of 40cm and 60cm respectively; by increasing the height of the flange support 4, the distance between it and the electric field housing 6 is increased, so that the bearing 11 inside it is kept away from the high temperature zone.

[0032] Bearing 11 is a component in mechanical equipment. Its main function is to support the rotating body of the machine, reduce the coefficient of friction during its movement, and ensure its rotational accuracy.

[0033] The electric field housing 6 has a shaft hole at the center of the upper side, through which the lower part of the drive shaft 13 passes. A circular heat insulation ring 12 made of carbon fiber is provided in the shaft hole. The heat insulation ring 12 is fastened by a metal ash cap. The electric field housing 6 has a shaft hole at the center of the lower side, and the specifications of the shaft hole are the same as those of the other shaft holes.

[0034] Carbon fiber is a new type of ultra-high strength, low density composite material with excellent mechanical properties and high temperature stability. It can be used in high-temperature environments up to 2000℃. In addition, carbon fiber has very low thermal conductivity and will not cause heat transfer in high-temperature environments. In special environments, its heat-insulating effect is very obvious.

[0035] Therefore, the heat insulation gasket 5 and the heat insulation ring 12 can prevent the high temperature of the electric field housing 6 from being conducted upwards.

[0036] See Figure 3 The motor 1 is equipped with a matching connecting shaft 16, transmission shaft 13, ceramic shaft 14 and vibrating connecting rod 15. The connecting shaft 16 is vertically provided at the center of the lower side of the reduction gear 9. The lower end of the connecting shaft 16 passes through the shaft hole on the lower side of the gearbox 2 and the shaft holes on the upper and lower sides of the connecting flange 3, and is then embedded in the coupling 10.

[0037] The upper end of the drive shaft 13 passes through the shaft hole on the upper side of the electric field housing 6, the shaft hole on the lower side of the flange support 4, and the inner cavity of the bearing 11, and is then embedded in the coupling 10. The lower end of the drive shaft 13 is detachably connected to the upper end of the ceramic shaft 14. The lower end of the ceramic shaft 14 is detachably connected to the upper end of the vibrating connecting rod 15. The upper end of the vibrating connecting rod 15 passes through the shaft hole in the middle of the lower side of the electric field housing 6 and is then movably connected to the ceramic shaft 14.

[0038] It should be noted that the upper end of the connecting shaft 16 passes through the shaft hole on the lower side of the gearbox 2 and is then welded and fixed to the center of the lower side of the reduction gear 9.

[0039] It should be noted that the key width and keyway depth of the rigid coupling 10 are manufactured in accordance with national standards. The coupling 10 first fits one end of the connecting shaft 16 and one end of the transmission shaft 13, and then is fixed by a pin.

[0040] It should be noted that the connecting shaft 16, the transmission shaft 13, the ceramic shaft 14, and the vibrating connecting rod 15 are all cylindrical.

[0041] It should be noted that the drive shaft 13 and the ceramic shaft 14 are connected by an embedded joint and then fixed by a pin; the ceramic shaft 14 and the vibrating link 15 are connected by an embedded joint and then fixed by a pin.

[0042] See Figure 4 The reduction gear 9 includes a large convex gear 17, two small convex gears 18 and a flat gear 19. The two small convex gears 18 are respectively located on the upper side of one side of the large convex gear 17. The flat gear 19 is horizontally arranged between the two small convex gears 18. The convex gear is based on the convex structure of the gear. Each convex gear is composed of an upper wheel body and a lower wheel body.

[0043] In operation, the flat gear 19 is engaged with the upper gear bodies of the two small convex gears 18, and the upper gear body of the large convex gear 17 is engaged with the lower gear bodies of the two small convex gears 18 (as shown in the figure).

[0044] In operation, both smaller convex gears 18 are movably positioned on the upper side of one side of the larger convex gear 17, and the flat gear 19 is movably positioned on the upper side of the larger convex gear 17.

[0045] Product testing has shown that when the flat gear 19 and the two small convex gears 18 are engaged and rotated, they transmit force horizontally in a clockwise direction. As a result, the friction between the lower side of the small convex gear 18 and the upper side of the large convex gear 17 is almost negligible.

[0046] The large convex gear 17, the small convex gear 18, and the flat gear 19 are all made of high-quality steel. High-quality steel gears are characterized by good hardness and friction resistance, smooth surface and good rotational accuracy, and high temperature resistance.

[0047] See Figure 5 The top plate 7 on the lower side of the electric field housing 6 is welded and fixed to the upper outer edge of the corresponding dust hopper, and the vibrating hammers 20 are evenly provided on the lower periphery of the vibrating connecting rod 15.

[0048] It should be noted that the drive shaft 13 and the coupling 10 can be flexibly disassembled and assembled, the drive shaft 13 and the ceramic shaft 14 can be flexibly disassembled and assembled, and the ceramic shaft 14 and the vibrating connecting rod 15 can be flexibly disassembled and assembled.

[0049] In operation, the connecting shaft 16 outputs the rotation direction and speed of the motor 1 to the transmission shaft 13; the transmission shaft 13 outputs the rotation direction and speed to the ceramic shaft 14; and the ceramic shaft 14 outputs the rotation direction and speed to the vibrating connecting rod 15.

[0050] During operation, the rapping link 15 is generally charged with high voltage, while the ceramic shaft 14 connecting the drive shaft 13 and the rapping link 15 is an insulating component. The ceramic shaft 12 transmits torque while also providing good insulation.

[0051] Product testing has proven that raising the bearing 11 can effectively avoid the adverse effects of the electric field housing 6 on the bearing 11, and by increasing the distance, the bearing 11 is kept away from the high temperature zone.

[0052] Product testing has proven that setting a heat insulation gasket 5 between the flange support 4 and the electric field housing 6 can effectively prevent the high temperature on the electric field housing 6 from being conducted to the flange support 4; setting a heat insulation ring 12 in the shaft hole on the upper side of the electric field housing 6 can effectively prevent the high temperature from being conducted to the drive shaft 13.

[0053] The electric field housing 6 is only mentioned as a support for the transmission mechanism and is not within the scope of this application.

Claims

1. A transmission mechanism for a dust removal vibrating device, comprising a motor, a reduction gear, and a transmission shaft, characterized in that; The motor is mounted on the upper side of the gearbox. A connecting flange is located at the lower part of the gearbox. The connecting flange is mounted on a flange support, which is located on the upper side of the electric field housing. A reduction gear is horizontally mounted inside the gearbox. A shaft hole is located at the center of the upper side of the flange support. A coupling is located in the shaft hole. A support plate is located in the center section of the flange support. The motor shaft is connected to the upper side of the reduction gear. A connecting shaft is located below the reduction gear. The connecting shaft and the transmission shaft are movably connected by a coupling. A ceramic shaft is located at the lower end of the transmission shaft. A vibrating connecting rod is located at the lower end of the ceramic shaft. Vibrating hammers are evenly distributed around the lower periphery of the vibrating connecting rod.

2. The transmission mechanism of the dust removal vibrating device according to claim 1, characterized in that; A heat-insulating gasket is provided between the flange support and the electric field housing to prevent high-temperature conduction.

3. The transmission mechanism of the dust removal vibrating device according to claim 1, characterized in that; A bearing hole is provided at the center of the upper side of the tray.

4. The transmission mechanism of the dust removal vibrating device according to claim 1, characterized in that; A bearing is installed in the bearing hole at the center of the upper side of the pallet, and the bearing fits around the outer circle of the corresponding drive shaft.

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