CN211975782U - Planetary reducer for desulfurizing tower - Google Patents

Abstract

The utility model provides a planet speed reducer for desulfurizing tower, planet speed reducer for the desulfurizing tower includes: the planetary gear set comprises a first box body, an input gear shaft, a planet carrier, a planet shaft, a groove, a first retainer ring, a first bearing, a gear ring, an output shaft and a spline; by adopting the structure, the planet shaft is used as the stepped shaft, and the two ends of the planet shaft are respectively connected with the planet carrier, so that the two-point support of the planet carrier by the planet shaft is realized, the stability of the planet carrier during rotation is improved, and the constant rotating speed of the output shaft is ensured; the first check ring is embedded into the groove of the planet shaft to replace the original mode of positioning the planet shaft by the set screw, so that the risk of gear beating caused by the play of the planet shaft due to the loosening of the set screw is reduced; make split type structure through making planet carrier and the output shaft that has the spline to when realizing having reduced manufacturing cost, the product installation of being convenient for and dismantlement reduce the operation degree of difficulty, promote user and use experience.

Description

Planetary reducer for desulfurizing tower

Technical Field

The utility model relates to a speed reducer technical field particularly, relates to a planet speed reducer for desulfurizing tower.

Background

At present, in the related art, a planetary reducer for a desulfurizing tower is a reducer used in a steel plant waste gas treatment device, however, the space in the desulfurizing tower is small, so that the reducer is required to have the advantages of compact structure, small volume, convenient and flexible assembly, accurate transmission and the like, so that the whole set of device can perform accurate transmission in a limited space. Therefore, it is necessary to design a planetary reducer for the desulfurizing tower.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving at least one of the technical problem that exists among prior art or the correlation technique

Therefore, the utility model provides a planetary reducer for desulfurizing tower.

In view of this, the utility model provides a planetary reducer for desulfurizing tower, planetary reducer includes for the desulfurizing tower: the planetary gear set comprises a first box body, an input gear shaft, a planet carrier, a planet shaft, a groove, a first retainer ring, a first bearing, a gear ring, an output shaft and a spline; the first box body is a hollow cavity with an opening at one end; the first outer teeth are arranged at one end of the input gear shaft in the circumferential direction, the input gear shaft is rotatably connected with the first box body, and one end of the input gear shaft is embedded into the first box body; the planet carrier is embedded into the first box body, and the planet carrier is sleeved on the outer side of the input gear shaft; the planet shaft penetrates through the planet carrier, and one end of the planet shaft is connected with the planet carrier; the groove is arranged at the other end of the planet shaft along the circumferential direction; the first check ring is embedded into the groove and is attached to the planet carrier; the two first bearings are sleeved on the outer sides of the planet shafts at the same time; the gear is circumferentially provided with second external teeth, the gear is sleeved on the outer sides of the two first bearings at the same time, and the second external teeth are meshed with the first external teeth; the inner wall of the gear ring is provided with inner teeth, the gear ring is connected with the first box body, and the inner teeth are meshed with the second outer teeth; one end of the output shaft is embedded into the planet carrier, and the output shaft is connected with the planet carrier; the spline sets up the one end that deviates from the planet carrier at the output shaft.

In the technical scheme, firstly, first outer teeth are arranged on one end of an input gear shaft in the circumferential direction, the input gear shaft is rotatably connected with a first box body, and one end of the input gear shaft is embedded into the first box body so as to improve the flexibility of the input gear shaft and enable a motor to drive the input gear shaft to rotate; secondly, the planet carrier is embedded into the first box body, and the planet carrier is sleeved on the outer side of the input gear shaft, so that the stability of the planet carrier is improved; thirdly, the planet shaft penetrates through the planet carrier, and one end of the planet shaft is connected with the planet carrier so as to fix one end of the planet shaft on the planet carrier, thereby realizing the limiting effect on the planet shaft; thirdly, the groove is circumferentially arranged at the other end of the planet shaft, the first check ring is embedded into the groove and is attached to the planet carrier, the two ends of the planet shaft are fixed on the planet carrier, so that the check ring can fix the planet shaft, the planet carrier is supported at two points by the planet shaft, the stability of the planet carrier is improved, and the planet shaft and the planet carrier are prevented from generating relative displacement; thirdly, the two first bearings are sleeved on the outer sides of the planet shafts at the same time, second external teeth are arranged on the circumferential direction of the gear, the gear is sleeved on the outer sides of the two first bearings at the same time and meshed with the first external teeth, internal teeth are arranged on the inner wall of the gear ring, the gear ring is connected with the first box body, the internal teeth are meshed with the second external teeth to improve the flexibility of the planet shafts, when the second external teeth are meshed with the first external teeth and the internal teeth at the same time, the gear can drive the planet shafts to move, the planet shafts drive the planet carrier to rotate, the influence of the rotation of the planet shafts on the planet carrier is avoided by installing the first bearings, and therefore the planet carrier rotates at a constant speed to improve the transmission accuracy of the speed reducer; thirdly, one end of the output shaft is embedded into the planet carrier, and the output shaft is connected with the planet carrier, so that when the planet carrier rotates, the output shaft is driven to rotate, and the technical effect of reducing the rotating speed of the motor is achieved; thirdly, through setting up the spline in the output shaft one end that deviates from the planet carrier to be connected output shaft and other mechanisms, ensure the stability of connecting, and ensure driven accuracy nature. By adopting the connection mode, the structure is compact, the installation is convenient, the original parallel shaft and vertical shaft structure is replaced, and the volume of the speed reducer is reduced; when the motor drives the output gear shaft to rotate, the second external teeth of the gear sleeved on the planet shaft are simultaneously meshed with the first external teeth of the input gear shaft and the internal teeth of the gear ring, so that the gear drives the planet shaft to rotate around the input gear shaft, and the planet shaft drives the planet carrier connected with the planet shaft to synchronously rotate; the output shaft is connected with the planet carrier, so that the planet carrier drives the output shaft to synchronously rotate, and the technical effect of reducing the rotating speed of the motor by a product is realized, namely, the speed reduction function is realized; the planet shaft is used as the stepped shaft, and two ends of the planet shaft are respectively connected with the planet carrier, so that two-point support of the planet carrier by the planet shaft is realized, the stability of the planet carrier during rotation is improved, the constant rotating speed of an output shaft is ensured, and the bearing capacity of a product is increased; the first check ring is embedded into the groove of the planet shaft to replace the original mode of positioning the planet shaft by the set screw, so that the risk of gear beating caused by the play of the planet shaft due to the loosening of the set screw is reduced; the planet carrier and the output shaft with the spline are made into a split structure, so that the manufacturing cost is reduced, meanwhile, the product is convenient to mount and dismount, the operation difficulty is reduced, and the use experience of a user is improved; the two first bearings are sleeved on the outer side of the planet shaft at the same time and are attached to the gear, so that the stability of the gear and the planet shaft is improved, the influence of the rotation of the planet shaft on the planet carrier is avoided, the accuracy of the transmission of the output shaft is ensured, and the transmission quality is improved.

Additionally, the utility model provides an among the above-mentioned technical scheme planetary reducer for desulfurizing tower can also have following additional technical characteristic:

in the above technical solution, preferably, the planetary reducer for the desulfurizing tower further includes: a distance ring and a second retainer ring; the distance ring is sleeved outside the planet shaft, and two end faces of the distance ring are simultaneously attached to the inner rings of the two first bearings; the two second retaining rings are simultaneously sleeved on the outer sides of the distance rings and are simultaneously attached to the outer rings of the two first bearings.

In the technical scheme, the distance ring is sleeved outside the planet shaft, and two end faces of the distance ring are simultaneously attached to the inner rings of the two first bearings, so that the first bearings are limited; the two second retaining rings are sleeved on the outer side of the distance ring at the same time and are attached to the outer rings of the two first bearings at the same time, so that the inner rings and the outer rings of the first bearings are ensured to be positioned on the same horizontal line, and the gears on the planet shafts stably rotate through two-point support, so that the output shaft rotates at a constant speed, and the transmission accuracy of a product is improved.

In the above technical solution, preferably, the planet shaft further includes: the body and the limiting part; at least part of the body is embedded in the planet carrier; the limiting part is arranged at one end of the body and is clamped with the planet carrier.

In this technical scheme, through making in at least partial body embedding planet carrier, and with spacing portion setting in the one end of body, and spacing portion and planet carrier looks joint, so that the one end of planet axle is connected stably with the planet carrier, the first rand of cooperation is used, ensure the stability of planet axle, replace the mode of original holding screw location planet axle, avoided causing the planet axle drunkenness because of holding screw is not hard up, lead to the gear to beat the production of the problem of tooth, the service life of extension product.

In the above technical solution, preferably, the planetary reducer for the desulfurizing tower further includes: a second bearing; the second bearing is sleeved on the outer side of the planet carrier, and the outer ring of the second bearing is attached to the first box body.

In this technical scheme, establish the outside at the planet carrier through establishing the second bearing cover, and the outer lane of second bearing is laminated mutually with first box to ensure planet carrier pivoted flexibility, avoid the planet carrier directly to produce the friction with first box contact, in order to ensure that the output shaft transmission is accurate.

In the above technical solution, preferably, the planetary reducer for the desulfurizing tower further includes: the output shaft is provided with a transparent cover, a framework oil seal, a frameless oil seal and an oil seal pressing plate; the output shaft transparent cover is sleeved on the outer side of the planet carrier and is connected with the first box body; the framework oil seal sleeve is arranged on the outer side of the output shaft, and the framework oil seal is attached to the transparent cover of the output shaft; the frameless oil seal sleeve is arranged on the outer side of the output shaft, and the frameless oil seal is attached to the transparent cover of the output shaft; the oil seal pressing plate is sleeved on the outer side of the planet carrier, the oil seal pressing plate is attached to the frameless oil seal, and the oil seal pressing plate is connected with the output shaft through cover.

In the technical scheme, the output shaft transparent cover is sleeved on the outer side of the planet carrier and is connected with the first box body, so that the output shaft transparent cover is fixed, and the stability of the output shaft transparent cover is improved; the framework oil seal is arranged on the outer side of the output shaft, the framework oil seal is attached to the transparent cover of the output shaft, the framework-free oil seal is arranged on the outer side of the output shaft, the framework-free oil seal is attached to the transparent cover of the output shaft, the oil seal pressing plate is arranged on the outer side of the planet carrier in a sleeved mode, the oil seal pressing plate is attached to the framework-free oil seal and connected with the transparent cover of the output shaft, and sealing is carried out in a matched mode of the framework oil seal and the framework-free oil seal so as to improve the sealing effect; meanwhile, the pressure of the oil seal pressing plate on the frameless oil seal can be used for adjusting the sealing effect, oil leakage is avoided, and the application range of the product is expanded.

Specifically, when the frameless oil seal is replaced, the frameless oil seal can be processed into a Z-shaped notch for replacement, so that the difficulty of replacing the oil seal due to oil leakage of the oil seal is reduced.

In the above technical solution, preferably, the planetary reducer for the desulfurizing tower further includes: a threaded hole and a first bolt; at least two threaded holes are arranged on the oil seal pressing plate; after the at least two first bolts pass through the at least two threaded holes, the first bolts are embedded into the output shaft transparent cover.

In this technical scheme, through setting up two at least screw holes on oil blanket clamp plate, make two at least first bolts pass two at least screw holes after, make first bolt embedding output shaft pass through in the lid to adjust the pressure of oil blanket clamp plate to the frameless oil blanket through revolving first bolt soon, and through the self-locking function of screw thread, ensure that frameless oil blanket and planet carrier closely laminate, thereby avoid the condition production of oil leak.

In the above technical solution, preferably, the planetary reducer for the desulfurizing tower further includes: a mounting hole and a second bolt; the inner wall of the mounting hole is provided with internal threads, and at least two mounting holes are arranged on the output shaft; after the at least two second bolts respectively pass through the at least two mounting holes, the two second bolts are embedded into the planet carrier.

In this technical scheme, through being provided with the internal thread with the mounting hole inner wall, two at least mounting holes set up on the output shaft to make two at least second bolts pass two at least mounting holes respectively after, in two second bolt embedding planet carriers, in order to be connected output shaft and planet carrier, and promote the stability of connecting through threaded connection, thereby ensure the stability of output shaft.

In the above technical solution, preferably, the planetary reducer for the desulfurizing tower further includes: a first keyway, a second keyway, and a flat key; the first key groove is arranged on the outer wall of the output shaft; the second key groove is formed in the inner wall of the planet carrier; the flat key is embedded into the first key groove and the second key groove simultaneously.

In this technical scheme, through setting up first keyway on the outer wall of output shaft, set up the second keyway on the inner wall of planet carrier to make in flat key imbeds first keyway and second keyway simultaneously, so that output shaft and planet key-type connection, through the cooperation of threaded connection and two kinds of connected modes of key-type connection, in order to ensure the stability that output shaft and planet carrier are connected, output shaft and the split type structure of planet carrier are convenient for install and dismantle simultaneously, and reduce casting cost.

In the above technical solution, preferably, the planetary reducer for the desulfurizing tower further includes: a limiting groove; the limiting groove is formed in the inner wall of the first box body, the gear ring is embedded into the limiting groove, and the gear ring is connected with the first box body.

In this technical scheme, through setting up the spacing groove at first box inner wall, ring gear embedding spacing inslot, and the ring gear is connected with first box to realize the limiting displacement of first box to the ring gear, when avoiding gear and ring gear meshing, the ring gear takes place the displacement, with the stability that promotes the ring gear.

Specifically, the ring gear is connected with the first case through a bolt.

In the above technical solution, preferably, the planetary reducer for the desulfurizing tower further includes: a second case; the second box body is covered above the first box body, and the second box body is connected with the first box body.

In this technical scheme, establish the top at first box through covering the second box, and the second box is connected with first box to realize the second box to the guard action of first box inner structure, avoid the dust to get into inside the box, and realize the positioning action to input pinion and output shaft.

Specifically, the second box body is connected with the first box body through a bolt.

Specifically, the second box body is further connected with two lifting lugs, so that the products can be conveniently carried and moved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 shows a schematic structural diagram of a planetary reducer for a desulfurizing tower according to an embodiment of the present invention;

fig. 2 is an enlarged view of a portion a of the planetary reducer for the desulfurizing tower of fig. 1 according to an embodiment of the present invention;

fig. 3 is an enlarged view of fig. 1 at a position B of a planetary reducer for a desulfurizing tower according to an embodiment of the present invention;

fig. 4 shows a schematic structural diagram of a planetary reducer for a desulfurizing tower according to an embodiment of the present invention;

wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:

12 a first box body, 14 an input gear shaft, 16 a planet carrier, 18 a planet shaft, 182 a body, 184 a limit part, 20 a first retaining ring, 22 a first bearing, 24 gears, 26 a gear ring, 28 an output shaft, 30 splines, 32 a distance ring, 34 a second retaining ring, 36 a second bearing, 38 an output shaft transparent cover, 40 a skeleton oil seal, 42 a frameless oil seal, 44 an oil seal pressing plate, 46 a first bolt, 48 a second bolt, 50 a flat key and 52 a second box body.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The planetary reducer for the desulfurizing tower according to some embodiments of the present invention will be described below with reference to fig. 1 to 4.

In the embodiment of the utility model, as shown in fig. 1 to 4, the utility model provides a planetary reducer for desulfurizing tower, planetary reducer for desulfurizing tower includes: the first box 12, the input gear shaft 14, the planet carrier 16, the planet shaft 18, the groove, the first retainer ring 20, the first bearing 22, the gear 24, the gear ring 26, the output shaft 28 and the spline 30; the first box 12 is a hollow cavity with an opening at one end; first external teeth are arranged on one end of the input gear shaft 14 in the circumferential direction, the input gear shaft 14 is rotatably connected with the first box 12, and one end of the input gear shaft 14 is embedded in the first box 12; the planet carrier 16 is embedded in the first box body 12, and the planet carrier 16 is sleeved on the outer side of the input gear shaft 14; a planet shaft 18 penetrates through the planet carrier 16, and one end of the planet shaft 18 is connected with the planet carrier 16; the groove is arranged at the other end of the planet shaft 18 along the circumferential direction; the first retainer ring 20 is embedded in the groove, and the first retainer ring 20 is attached to the planet carrier 16; the two first bearings 22 are sleeved outside the planet shaft 18 at the same time; the gear 24 is circumferentially provided with second external teeth, the gear 24 is sleeved on the outer sides of the two first bearings 22 at the same time, and the second external teeth are meshed with the first external teeth; the inner wall of the gear ring 26 is provided with inner teeth, the gear ring 26 is connected with the first box body 12, and the inner teeth are meshed with the second outer teeth; one end of the output shaft 28 is embedded in the planet carrier 16, and the output shaft 28 is connected with the planet carrier 16; a spline 30 is provided at the end of the output shaft 28 facing away from the planet carrier 16.

In this embodiment, first, the input gear shaft 14 is rotatably connected to the first housing 12 by providing first external teeth in the circumferential direction of one end of the input gear shaft 14, and one end of the input gear shaft 14 is embedded in the first housing 12, so as to improve the flexibility of the input gear shaft 14, so that the motor drives the input gear shaft 14 to rotate; secondly, the planet carrier 16 is embedded into the first box body 12, and the planet carrier 16 is sleeved outside the input gear shaft 14, so that the stability of the planet carrier 16 is improved; thirdly, one end of the planet shaft 18 is connected with the planet carrier 16 by enabling the planet shaft 18 to penetrate through the planet carrier 16, so that one end of the planet shaft 18 is fixed on the planet carrier 16, and therefore the limiting effect on the planet shaft 18 is achieved; thirdly, the groove is circumferentially arranged at the other end of the planet shaft 18, the first check ring 20 is embedded into the groove, the first check ring 20 is attached to the planet carrier 16, the two ends of the planet shaft 18 are fixed on the planet carrier 16, so that the check ring can fix the planet shaft 18, the planet carrier 16 is supported at two points by the planet shaft 18, the stability of the planet carrier 16 is improved, and the planet shaft 18 and the planet carrier 16 are prevented from generating relative displacement; thirdly, the two first bearings 22 are sleeved on the outer sides of the planet shafts 18 at the same time, second external teeth are arranged on the circumferential direction of the gear 24, the gear 24 is sleeved on the outer sides of the two first bearings 22 at the same time, the second external teeth are meshed with the first external teeth, internal teeth are arranged on the inner wall of the gear ring 26, the gear ring 26 is connected with the first box body 12, the internal teeth are meshed with the second external teeth to improve the flexibility of the planet shafts 18, when the second external teeth are meshed with the first external teeth and the internal teeth at the same time, the gear 24 can drive the planet shafts 18 to move, the planet shafts 18 drive the planet carrier 16 to rotate, the influence of the planet shafts 18 on the planet carrier 16 due to autorotation is avoided by installing the first bearings 22, and therefore the planet carrier 16 rotates at a constant speed to improve the accuracy of transmission; thirdly, one end of the output shaft 28 is embedded into the planet carrier 16, and the output shaft 28 is connected with the planet carrier 16, so that when the planet carrier 16 rotates, the output shaft 28 is driven to rotate, and the technical effect of reducing the rotating speed of the motor is achieved; again, by providing splines 30 at the end of the output shaft 28 facing away from the carrier 16 to facilitate connection of the output shaft 28 with other mechanisms, stability of the connection is ensured, and accuracy of the transmission is ensured. By adopting the connection mode, the structure is compact, the installation is convenient, the original parallel shaft and vertical shaft structure is replaced, and the volume of the speed reducer is reduced; when the motor drives the output gear shaft to rotate, the second external teeth of the gear 24 sleeved on the planet shaft 18 are simultaneously meshed with the first external teeth of the input gear shaft 14 and the internal teeth of the gear ring 26, so that the gear 24 drives the planet shaft 18 to rotate around the input gear shaft 14, and the planet shaft 18 drives the planet carrier 16 connected with the planet shaft 18 to synchronously rotate; the output shaft 28 is connected with the planet carrier 16, so that the planet carrier 16 drives the output shaft 28 to synchronously rotate, thereby realizing the technical effect of reducing the rotating speed of the motor by the product, namely realizing the speed reduction function; the planet shaft 18 is a stepped shaft, and two ends of the planet shaft 18 are respectively connected with the planet carrier 16, so that the planet shaft 18 supports the planet carrier 16 at two points, the stability of the planet carrier 16 in rotation is improved, the constant rotating speed of the output shaft 28 is ensured, and the bearing capacity of a product is increased; the first retainer ring 20 is embedded into the groove of the planet shaft 18 to replace the original mode of positioning the planet shaft 18 by the set screw, so that the risk of gear beating of the gear 24 caused by the play of the planet shaft 18 due to the looseness of the set screw is reduced; the planet carrier 16 and the output shaft 28 with the spline 30 are made into a split structure, so that the manufacturing cost is reduced, meanwhile, the product is convenient to mount and dismount, the operation difficulty is reduced, and the use experience of a user is improved; the two first bearings 22 are sleeved on the outer side of the planet shaft 18 at the same time and are attached to the gear 24, so that the connection stability of the gear 24 and the planet shaft 18 is improved, the influence of the autorotation of the planet shaft 18 on the planet carrier 16 is avoided, the accurate transmission of the output shaft 28 is ensured, and the transmission quality is improved.

In an embodiment of the present invention, preferably, as shown in fig. 1, the planetary reducer for a desulfurizing tower further includes: distance ring 32 and second stop ring 34; the distance ring 32 is sleeved outside the planet shaft 18, and two end faces of the distance ring 32 are simultaneously attached to the inner rings of the two first bearings 22; the two second retainer rings 34 are simultaneously sleeved on the outer side of the distance ring 32, and the two second retainer rings 34 are simultaneously attached to the outer rings of the two first bearings 22.

In this embodiment, the distance ring 32 is sleeved outside the planet shaft 18, and two end faces of the distance ring 32 are simultaneously attached to the inner rings of the two first bearings 22, so as to limit the first bearings 22; two second retainer rings 34 are simultaneously sleeved on the outer side of the distance ring 32, and the two second retainer rings 34 are simultaneously attached to the outer rings of the two first bearings 22, so that the inner rings and the outer rings of the first bearings 22 are ensured to be on the same horizontal line, and the gear 24 on the planet shaft 18 is stably rotated through two-point support, so that the output shaft 28 rotates at a constant speed, and the transmission accuracy of the product is improved.

In an embodiment of the present invention, preferably, as shown in fig. 1, the planet shaft 18 further includes: a body 182 and a stopper 184; at least part of the body 182 is embedded in the planet carrier 16; the limiting portion 184 is disposed at one end of the main body 182, and the limiting portion 184 is connected to the planet carrier 16.

In this embodiment, at least a part of the body 182 is embedded into the planet carrier 16, the limiting portion 184 is disposed at one end of the body 182, and the limiting portion 184 is clamped with the planet carrier 16, so that one end of the planet shaft 18 is stably connected with the planet carrier 16, and the stability of the planet shaft 18 is ensured by using the first clamping ring in cooperation with the first clamping ring, thereby replacing the original way of positioning the planet shaft 18 by the set screw, avoiding the problem of gear 24 rattling caused by the play of the planet shaft 18 due to the looseness of the set screw, and prolonging the service life of the product.

In an embodiment of the present invention, preferably, as shown in fig. 1, the planetary reducer for a desulfurizing tower further includes: a second bearing 36; the second bearing 36 is sleeved outside the planet carrier 16, and the outer ring of the second bearing 36 is attached to the first box 12.

In this embodiment, the second bearing 36 is sleeved outside the planet carrier 16, and the outer ring of the second bearing 36 is attached to the first case 12, so as to ensure the flexibility of the rotation of the planet carrier 16, avoid the friction generated by the direct contact between the planet carrier 16 and the first case 12, and ensure the accurate transmission of the output shaft 28.

In an embodiment of the present invention, preferably, as shown in fig. 1 and fig. 2, the planetary reducer for the desulfurizing tower further includes: an output shaft transparent cover 38, a framework oil seal 40, a frameless oil seal 42 and an oil seal pressing plate 44; the output shaft transparent cover 38 is sleeved on the outer side of the planet carrier 16, and the output shaft transparent cover 38 is connected with the first box body 12; the framework oil seal 40 is sleeved on the outer side of the output shaft 28, and the framework oil seal 40 is attached to the output shaft transparent cover 38; the frameless oil seal 42 is sleeved on the outer side of the output shaft 28, and the frameless oil seal 42 is attached to the output shaft transparent cover 38; an oil seal pressing plate 44 is sleeved on the outer side of the planet carrier 16, the oil seal pressing plate 44 is attached to the frameless oil seal 42, and the oil seal pressing plate 44 is connected with the output shaft transparent cover 38.

In this embodiment, the output shaft transparent cover 38 is sleeved outside the planet carrier 16, and the output shaft transparent cover 38 is connected to the first case 12, so as to fix the output shaft transparent cover 38, and improve the stability of the output shaft transparent cover 38; the framework oil seal 40 is sleeved on the outer side of the output shaft 28, the framework oil seal 40 is attached to the output shaft transparent cover 38, the frameless oil seal 42 is sleeved on the outer side of the output shaft 28, the frameless oil seal 42 is attached to the output shaft transparent cover 38, the oil seal pressing plate 44 is sleeved on the outer side of the planet carrier 16, the oil seal pressing plate 44 is attached to the frameless oil seal 42, the oil seal pressing plate 44 is connected with the output shaft transparent cover 38, sealing is carried out in a matched mode of the framework oil seal 40 and the frameless oil seal 42, and the sealing effect is improved; meanwhile, the pressure of the oil seal pressing plate 44 on the frameless oil seal 42 can be used for adjusting the sealing effect, so that oil leakage is avoided, and the application range of the product is expanded.

Specifically, when the frameless oil seal 42 is replaced, the frameless oil seal can be processed into a Z-shaped notch for replacement, so that the difficulty of replacing the oil seal due to oil leakage of the oil seal is reduced.

In an embodiment of the present invention, preferably, as shown in fig. 1 and fig. 2, the planetary reducer for the desulfurizing tower further includes: a threaded hole and a first bolt 46; at least two threaded holes are provided in the oil seal pressing plate 44; after the at least two first bolts 46 pass through the at least two threaded holes, the first bolts 46 are embedded into the output shaft transparent cover 38.

In this embodiment, at least two threaded holes are formed in the oil seal pressing plate 44, after at least two first bolts 46 pass through the at least two threaded holes, the first bolts 46 are embedded into the output shaft transparent cover 38, so that the pressure of the oil seal pressing plate 44 on the frameless oil seal 42 is adjusted by screwing the first bolts 46, and the frameless oil seal 42 is ensured to be tightly attached to the planet carrier 16 by the self-locking function of the threads, thereby avoiding oil leakage.

In an embodiment of the present invention, preferably, as shown in fig. 1 and 3, the planetary reducer for a desulfurizing tower further includes: mounting holes and second bolts 48; the inner wall of the mounting hole is provided with internal threads, and at least two mounting holes are arranged on the output shaft 28; after the at least two second bolts 48 pass through the at least two mounting holes, the two second bolts 48 are embedded in the planet carrier 16.

In this embodiment, the stability of the output shaft 28 is ensured by providing the inner wall of the mounting hole with an internal thread, providing at least two mounting holes on the output shaft 28, and inserting at least two second bolts 48 into the carrier 16 after passing through the at least two mounting holes, respectively, to connect the output shaft 28 with the carrier 16, and improving the stability of the connection by screwing.

In an embodiment of the present invention, preferably, as shown in fig. 1 and 4, the planetary reducer for a desulfurizing tower further includes: first, second and flat keys 50; the first keyway is provided on the outer wall of the output shaft 28; the second key groove is provided on the inner wall of the carrier 16; the flat key 50 is simultaneously inserted into the first key groove and the second key groove.

In this embodiment, the first key groove is disposed on the outer wall of the output shaft 28, the second key groove is disposed on the inner wall of the planet carrier 16, and the flat key 50 is embedded into the first key groove and the second key groove at the same time, so that the output shaft 28 is connected with the planet shaft 18 in a key manner, and the two connection manners of threaded connection and key connection are matched, so that the stability of connection between the output shaft 28 and the planet carrier 16 is ensured, and meanwhile, the output shaft 28 and the planet carrier 16 are in a split structure, so that the installation and the disassembly are convenient, and the casting cost is reduced.

In an embodiment of the present invention, preferably, as shown in fig. 1, the planetary reducer for a desulfurizing tower further includes: a limiting groove; the limit groove is provided in the inner wall of the first case 12, the ring gear 26 is embedded in the limit groove, and the ring gear 26 is connected to the first case 12.

In this embodiment, the limiting groove is formed in the inner wall of the first case 12, the gear ring 26 is embedded in the limiting groove, and the gear ring 26 is connected to the first case 12, so that the gear ring 26 is limited by the first case 12, and the gear ring 26 is prevented from being displaced when the gear 24 is engaged with the gear ring 26, so as to improve the stability of the gear ring 26.

Specifically, the ring gear 26 is bolted to the first case 12.

In an embodiment of the present invention, preferably, as shown in fig. 4, the planetary reducer for a desulfurizing tower further includes: a second case 52; the second casing 52 covers the first casing 12, and the second casing 52 is connected to the first casing 12.

In this embodiment, the second casing 52 is covered above the first casing 12, and the second casing 52 is connected to the first casing 12, so as to protect the internal structure of the first casing 12 from dust, and to position the input gear 14 and the output shaft 28.

Specifically, the second case 52 is bolted to the first case 12.

Specifically, the second box 52 is further connected with two lifting lugs to facilitate the carrying and moving of the product.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a planetary reducer for desulfurizing tower which characterized in that, planetary reducer for the desulfurizing tower includes:

the first box body is a hollow cavity with an opening at one end;

the first box body is rotatably connected with the input gear shaft, and one end of the first box body is embedded into the first box body;

the planet carrier is embedded into the first box body and sleeved outside the input gear shaft;

the planet shaft penetrates through the planet carrier, and one end of the planet shaft is connected with the planet carrier;

the groove is arranged at the other end of the planet shaft along the circumferential direction;

the first check ring is embedded into the groove and is attached to the planet carrier;

the two first bearings are sleeved on the outer sides of the planet shafts at the same time;

the gear is circumferentially provided with second external teeth, the gear is sleeved on the outer sides of the two first bearings at the same time, and the second external teeth are meshed with the first external teeth;

the inner wall of the gear ring is provided with inner teeth, the gear ring is connected with the first box body, and the inner teeth are meshed with the second outer teeth;

one end of the output shaft is embedded into the planet carrier, and the output shaft is connected with the planet carrier;

the spline sets up the one end that the output shaft deviates from the planet carrier.

2. The planetary reducer for a desulfurization tower according to claim 1, further comprising:

the distance ring is sleeved outside the planet shaft, and two end faces of the distance ring are simultaneously attached to the inner rings of the two first bearings;

and the second retaining rings are sleeved outside the distance ring at the same time, and are attached to the outer rings of the first bearings at the same time.

3. The planetary reducer for a desulfurizing tower according to claim 2, wherein the planetary shaft further includes:

the body is at least partially embedded into the planet carrier;

the limiting part is arranged at one end of the body and is connected with the planet carrier in a clamping mode.

4. The planetary reducer for a desulfurizing tower according to claim 3, further comprising:

and the second bearing is sleeved on the outer side of the planet carrier, and the outer ring of the second bearing is attached to the first box body.

5. The planetary reducer for a desulfurizing tower according to claim 4, wherein the planetary reducer for a desulfurizing tower further comprises:

the output shaft transparent cover is sleeved on the outer side of the planet carrier and is connected with the first box body;

the framework oil seal is sleeved outside the output shaft, and the framework oil seal is attached to the transparent cover of the output shaft;

the framework-free oil seal is sleeved outside the output shaft and is attached to the transparent cover of the output shaft;

the oil seal pressing plate is sleeved on the outer side of the planet carrier, the oil seal pressing plate is attached to the frameless oil seal, and the oil seal pressing plate is connected with the output shaft through cover.

6. The planetary reducer for a desulfurization tower according to claim 5, further comprising:

at least two threaded holes are formed in the oil seal pressing plate;

and after the at least two first bolts penetrate through the at least two threaded holes, the first bolts are embedded into the output shaft transparent cover.

7. The planetary reducer for a desulfurization tower according to claim 6, further comprising:

the inner wall of the mounting hole is provided with internal threads, and at least two mounting holes are formed in the output shaft;

and at least two second bolts penetrate through the at least two mounting holes respectively, and then are embedded into the planet carrier.

8. The planetary reducer for a desulfurization tower according to claim 7, further comprising:

a first keyway disposed on an outer wall of the output shaft;

the second key groove is formed in the inner wall of the planet carrier;

a flat key embedded in both the first keyway and the second keyway.

9. The planetary reducer for a desulfurization tower according to claim 8, further comprising:

the limiting groove is formed in the inner wall of the first box body, the gear ring is embedded into the limiting groove, and the gear ring is connected with the first box body.

10. The planetary reducer for a desulfurization tower according to any one of claims 1 to 9, further comprising:

and the second box body is covered above the first box body, and is connected with the first box body.

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