CN220302713U - Planetary stirring speed reducer - Google Patents

Planetary stirring speed reducer Download PDF

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Publication number
CN220302713U
CN220302713U CN202320408540.8U CN202320408540U CN220302713U CN 220302713 U CN220302713 U CN 220302713U CN 202320408540 U CN202320408540 U CN 202320408540U CN 220302713 U CN220302713 U CN 220302713U
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China
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bearing
gear
shaft
speed reducer
reducer
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CN202320408540.8U
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Chinese (zh)
Inventor
赵小芳
李鸿春
王忠良
王忠奎
王艳兵
胡松亮
陈宇
安帅
李奕巡
王利军
王磊
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Beijing Shougang Electromechanical Co ltd Qian'an Machinery Repair Branch
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Beijing Shougang Electromechanical Co ltd Qian'an Machinery Repair Branch
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Abstract

The utility model discloses a planetary stirring speed reducer, which comprises a bottom speed reducer, a lubricating pump and a planetary speed reducer, wherein the lower end of the planetary speed reducer is connected with the bottom speed reducer, the side end of the bottom speed reducer is provided with the lubricating pump, the lubricating pump supplies oil to a first bearing, a second bearing, a third bearing and a fifth bearing which are arranged on an oil tank of the bottom speed reducer, all the other parts of gears and the bearings are lubricated by the oil tank, and the bottom speed reducer comprises a box body, a first bearing, a first speed reducer tooth shaft, a first bearing gland, a second bearing, a second speed reducer tooth shaft, a second bearing gland, a third bearing, a third speed reducer tooth shaft, a third bearing gland, a fourth bearing, a fourth speed reducer tooth shaft and a fourth bearing gland; the fourth shaft of the bottom speed reducer is an output shaft and the input shaft of the planetary speed reducer is a common shaft. The utility model relates to a planetary stirring speed reducer, which achieves the aim of speed reduction through the arrangement of a bottom speed reducer, a lubricating pump and a planetary speed reducer.

Description

Planetary stirring speed reducer
Technical Field
The utility model relates to the technical field of speed reducer equipment, in particular to a planetary stirring speed reducer.
Background
The planetary mixer is used for uniformly mixing steel slag, water and binder, and then discharging and conveying the mixture to an inlet of the ball press through a chute. The two planetary mixers stir evenly and convey materials alternately. The stirrer is widely applied to the production of building materials such as clay bricks, concrete water permeable bricks and the like.
In the steel slag ball pressing production line, the density of steel slag is high, a proper amount of lime powder (binder) and water are added into a stirrer, and the resistance is excessive in the stirring process, so that a speed reducer is frequently damaged, the average productivity of the whole production line is only about 30% of the design requirement, the energy and labor of the production line are greatly wasted, and meanwhile, the production efficiency of projects is also influenced;
the speed reducer uses a great deal of aligning ball bearings, because the rolling bodies are steel balls, the rolling bodies are in point contact between the inner sleeve and the outer sleeve of the bearings, and all the series of bearings are suitable for being used in high-speed, light-load and impact-free working environments. The planetary mixer is used for feeding and mixing simultaneously, and the blanking on one side can cause instantaneous unbalanced load and impact to mixing equipment. The density of the steel slag is relatively large, when the bin is fully filled, the 8 stirring shovels, the 2 turning shovels and the 2 grinding wheels are driven by the planetary speed reducer to rotate circumferentially at the same time, and at the moment, the speed reducer bearing is the largest in load, and the aligning ball bearing is easy to damage. The installation accuracy requirement of the aligning ball bearing is high, and the aligning ball bearing is not easy to control, if the axial installation clearance is too large, a bevel gear in the bottom speed reducer can have a small amount of axial play, so that the abrasion of the gear is increased or the teeth are broken; the axial installation clearance of the bearing is too small, and if lubrication is poor, load is large, and impact load is easy to cause the bearing to heat, fail and damage.
Disclosure of Invention
The utility model aims to provide a planetary stirring speed reducer to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the planetary stirring speed reducer comprises a bottom speed reducer, a lubricating pump and a planetary speed reducer, wherein the lower end of the planetary speed reducer is connected with the bottom speed reducer, the side end of the bottom speed reducer is provided with the lubricating pump, the lubricating pump supplies oil for a first bearing, a second bearing, a third bearing and a fifth bearing on an oil sump of the bottom speed reducer, all other parts of gears and bearings are lubricated by adopting the oil sump, the bottom speed reducer and the planetary speed reducer are subjected to secondary speed reduction through combination, and the problem of insufficient lubrication of the bearings above the bottom speed reducer is thoroughly solved through the arrangement of the lubricating pump;
the bottom speed reducer comprises a first box body, a first bearing, a first speed reducer gear shaft, a first bearing gland, a second bearing, a second speed reducer gear shaft, a second bearing gland, a third bearing, a third speed reducer gear shaft, a third bearing gland, a fourth bearing, a fourth speed reducer gear shaft and a fourth bearing gland, wherein the first speed reducer gear shaft, the second speed reducer gear shaft, the third speed reducer gear shaft and the fourth shaft are all arranged in parallel, rod bodies are arranged at the centers, and the speed reduction work is carried out through the connection and the coordination of gears;
the first side of box is equipped with first bearing, it is connected with first speed reducer tooth axle to rotate on the first bearing, the upper end of first bearing is equipped with first bearing gland, second bearing, second speed reducer tooth axle, second bearing gland and first bearing, first speed reducer tooth axle, first bearing gland parallel arrangement, and the center of second speed reducer tooth axle is equipped with first gear, third bearing, third speed reducer tooth axle, third bearing gland and first bearing, first speed reducer tooth axle, first bearing gland parallel arrangement, first speed reducer tooth axle, second speed reducer tooth axle pass through first gear engagement connection, second speed reducer tooth axle, third speed reducer tooth axle pass through second gear engagement connection, the lateral part of output shaft is equipped with the fourth bearing, the lateral part meshing of third speed reducer tooth axle is connected with the third gear, the center rotation of output shaft is connected with the fifth bearing, the outside of output shaft has cup jointed the axle sleeve, the upper end of output shaft passes through sixth bearing and seventh output shaft rotation connection, the third gear is equipped with the speed reducer tooth and is connected with the third gear, the third gear is connected with the third gear, can carry out the power transmission through the speed reducer, the speed reducer is connected with the third gear, can carry out the power transmission with the third gear, the speed reducer is connected through the third gear, can carry out the power transmission.
Specifically, the planetary reducer comprises an eighth bearing, a fourth bearing gland, an output gear shaft, an output shaft seal, a fifth bearing gland, a ninth bearing, a second box body, a second oil retainer, a tenth bearing, an intermediate shaft gear, an input shaft gear, a reducer end cover and an end cover framework seal, wherein the side end of the input shaft gear is meshed with the intermediate shaft gear, the center of the intermediate shaft gear is fixedly connected with the intermediate shaft, the bottom of the intermediate shaft is provided with the eighth bearing and the fourth bearing gland, the other end of the intermediate shaft gear is meshed with the output gear shaft, the lower part of the output gear shaft is provided with the framework seal, the fifth bearing gland and the ninth bearing, the upper part of the output gear shaft is provided with the second oil retainer and the tenth bearing, and the lower end of the output gear shaft is communicated with the second box body.
Specifically, the lubrication pump supplies oil for a first bearing, a second bearing, a third bearing and a fifth bearing in the bottom speed reducer.
Specifically, the input shaft gear drives the output gear shaft to rotate through the intermediate shaft and the intermediate shaft gear to be connected.
Specifically, the centers of the first speed reducer gear shaft, the second speed reducer gear shaft, the third speed reducer gear shaft and the fourth output shaft are all provided with rod bodies.
Specifically, the lower extreme of input shaft gear is fixed mutually through with the output shaft, through output shaft drive, drives the body of rod at third speed reducer tooth axle center and rotates to be connected, through the body of rod at second speed reducer tooth axle center of second gear drive rotation connection, second speed reducer tooth axle drives first bearing through the drive and rotates to be connected.
Compared with the prior art, the utility model has the beneficial effects that:
the novel self-aligning ball bearing has the advantages that the angular contact ball bearings and the deep groove ball bearings which are more used on the original speed reducer are replaced completely, and the self-aligning roller bearing and the tapered roller bearing are used instead: the rolling body steel balls of the ball bearing are in point contact, and the rolling bodies of the cylindrical roller bearing are in line contact. The ball bearing is suitable for working conditions of high rotating speed, low load and no impact; the cylindrical roller bearing is suitable for medium and low rotation speeds and heavy load working conditions;
2) A bearing 23038C fulcrum is added on the output shaft of the bottom speed reducer, at the moment, three aligning bearings are arranged on the output shaft, and in order to solve the problem of over-positioning of the bearings, the 23038C bearing is selected to use larger C4 clearance, so that the problem of over-positioning of the output shaft caused by the machining and mounting precision of the speed reducer is relieved;
the advantages are as follows: the bottom gear of the output shaft is changed into a double-point supporting structure from a single cantilever support, and the stress structure of the bottom gear of the output shaft and the bearing is optimized. The raceway of the outer ring of the self-aligning bearing is spherical and can bear larger radial load. Therefore, the device has the aligning performance, is not influenced by the misalignment of the shaft and the bearing box or the deformation and deflection of the shaft, and can compensate the coaxiality error. The self-aligning roller bearing is provided with two rows of spherical rollers, the outer ring is provided with a common concave spherical roller path, the inner ring is provided with two concave roller paths inclined at an angle with the axis of the bearing, and the curvature center of the roller paths of the outer ring is consistent with the center of the bearing. In addition to being able to bear radial loads, it is able to bear bi-directional axial loads and their associated loads. The bearing capacity is larger, and meanwhile, the anti-vibration and anti-impact capacities are better;
the output shaft of the bottom speed reducer is prolonged to the second bottom of the box body, a supporting point is added to the output shaft, and the bottom of the output shaft is changed into a double-supporting structure from an original cantilever structure, so that the output shaft has the advantages that: the bending deformation resistance of the output shaft is improved, and the stability of the output shaft is increased.
Drawings
FIG. 1 is a schematic view of the internal structure of the main body of the present utility model;
FIG. 2 is an outline view of the main body of the present utility model;
FIG. 3 is a schematic diagram of the bottom speed reducer of the present utility model;
fig. 4 is a schematic structural view of the planetary reducer of the present utility model.
In the figure: 1-a bottom speed reducer; 2-a lubrication pump; 3-a planetary reducer; 4, a first box body; 5-a first bearing; 6-a first speed reducer gear shaft; 7-a first bearing gland; 8-a second bearing; 9-a second speed reducer gear shaft; 10-a second bearing cap; 11-a first gear; 12-a third bearing; 13-a third speed reducer gear shaft; 14-a third bearing gland; 15-a second gear; 16-fourth bearings; 17-an output shaft; 18-a third gear; 19-a fifth bearing; 20-shaft sleeve; 21-a first oil slinger; 22-sixth bearings; 23-seventh bearings; 24-fourth bearing gland; 25-outputting a gear shaft; 26, sealing an output shaft framework; 27 a fifth bearing gland; 28 a ninth bearing; 29-a second box body; 30-a second oil slinger; 31-eighth bearing; 32-an intermediate shaft; 33-countershaft gears; 34-input shaft gear; 35 a lower cover of the speed reducer; 36 the lower cover framework of the speed reducer is sealed.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the planetary stirring speed reducer comprises a bottom speed reducer 1, a lubricating pump 2 and a planetary speed reducer 3, wherein the lower end of the planetary speed reducer 3 is connected with the bottom speed reducer 1, the side end of the bottom speed reducer 1 is provided with the lubricating pump 2, and the lubricating pump 2 supplies oil to lubricate part of bearings of the bottom speed reducer 1;
the bottom speed reducer 1 comprises a first box body 4, a first bearing 5, a first speed reducer gear shaft 6, a first bearing gland 7, a second bearing 8, a second speed reducer gear shaft 9, a second bearing cover 10, a first gear 11, a third bearing 12, a third speed reducer gear shaft 13 and a third bearing cover 14, and rod bodies are arranged at the centers of the first bearing 5, the second speed reducer gear shaft 9 and the third speed reducer gear shaft 13;
a first bearing 5 is arranged on one side of the first box body 4, a first speed reducer gear shaft 6 is rotatably connected to the first bearing 5, a first bearing gland 7 is arranged at the upper end of the first bearing 5, a second bearing 8, a second speed reducer gear shaft 9 and a second bearing gland 10 are arranged in parallel with the first bearing 5, the first speed reducer gear shaft 6 and the first bearing gland 7, a first gear 11 is arranged at the center of the second speed reducer gear shaft 9, a third bearing 12, a third speed reducer gear shaft 13 and a third bearing gland 14 are arranged in parallel with the first bearing 5, the first speed reducer gear shaft 6 and the first bearing gland 7, the first speed reducer gear shaft 6 and the second speed reducer gear shaft 9 are connected in a meshed manner through the first gear 11, the second speed reducer gear shaft 9 and the third speed reducer gear shaft 13 are connected in a meshed manner through a second gear 15, the lateral part of output shaft 17 is equipped with fourth bearing 16, the side end meshing of third speed reducer tooth axle 13 is connected with third gear 18, the center rotation of output shaft 17 is connected with fifth bearing 19, shaft sleeve 20 has been cup jointed in the outside of output shaft 17, the upper end of output shaft 17 is rotated through sixth bearing 22 and seventh bearing and is connected, output shaft 17 and the top junction of shaft sleeve 20 department is equipped with first oil retainer 21, lubricating pump 2 is the inside first bearing 5 of bottom speed reducer 1, second bearing 8, third bearing 12, fifth bearing 19 supplies oil, output shaft sleeve 20 is fixed with input shaft gear 31, output shaft 17 below is the high-speed shaft, two output tooth axle 25 above are the low-speed shaft.
The planetary reducer 3 comprises a seventh bearing 23, a fourth bearing gland 24, an output gear shaft 25 and an output shaft framework seal 26; the fifth bearing gland 27, the ninth bearing 28, the second box 29, the second oil retainer 30, the eighth bearing 31, the intermediate shaft 32, the intermediate shaft gear 33 and the input shaft gear 34, the lower speed reducer cover 35 and the lower speed reducer cover framework seal 36, the input shaft gear 34 drives the output gear shaft 25 to rotate through the intermediate shaft 32 and the intermediate shaft gear 33, the side end of the input shaft gear 34 is meshed with the intermediate shaft gear 33, the center of the intermediate shaft gear 33 is fixedly connected with the intermediate shaft 32, the eighth bearing 23 and the fourth bearing gland 24 are arranged at the bottom of the intermediate shaft 32, the other end of the intermediate shaft gear 33 is meshed with the output gear shaft 25, the framework seal 26, the fifth bearing gland 27 and the ninth bearing 28 are arranged at the lower part of the output gear shaft 25, the second oil retainer 30 and the tenth bearing 31 are arranged at the upper part of the output gear shaft 25, the lower end of the output gear shaft 25 is communicated with the second box 29, the lower end of the input shaft gear 34 is fixedly connected with the output shaft 20 through the output shaft 17, the third speed reducer gear 13 is driven to rotate through the output shaft 17, the rod body of the center of the third speed reducer gear shaft 13 is fixedly connected with the output shaft body of the output shaft 20, the second gear shaft 15 is driven to rotate through the second gear shaft 9, the top of the second gear shaft 9 is fixedly connected with the top end of the sun gear shaft 9 through the output shaft 9, and the top of the speed reducer shaft is fixedly connected with the top end of the output shaft 20 through the speed reducer shaft 9. The second box 29 is fixed with a double flat key at the top end of the output shaft 17, and the output shaft 17 drives the second planetary reducer box 29 to revolve. Meanwhile, under the influence of rotation of the second box body 29, the input shaft gear 34 drives the intermediate shaft gear 33 to be connected in a rotating mode, the intermediate shaft gear 33 drives the output gear shaft 25 to be connected in a rotating mode, the output gear shaft 25 performs planetary rotation motion, power output is achieved, and speed reduction operation can be achieved.
Working principle: when the speed reducer is in need of working, a user carries out combined connection on the bottom speed reducer 1, the lubricating pump 2 and the planetary speed reducer 3, the lubricating pump 2 carries out oil supply for the first bearing 5, the second bearing 8, the third bearing 12 and the fifth bearing 19 in the bottom speed reducer 1, the disc bearing is positioned above an oil pool of the bottom speed reducer, the oil pump can effectively solve the problem of bearing lubrication, the user carries out power input through the upper end of the input shaft gear 34, the gear 34 cannot rotate, the shell 29 of the speed reducer can drive the connected intermediate shaft 32 and the intermediate shaft gear 33 to rotate, the intermediate shaft 32 and the intermediate shaft gear 33 can drive the output gear 25 to rotate in a matched mode when rotating, the intermediate shaft 32 can carry out primary speed reduction operation, the intermediate shaft 32 carries out limit installation through the seventh bearing 23 and the fourth bearing gland 24, the second oil retainer 30 and the tenth bearing 31 are used for limit operation on the upper part of the output gear 25, the input shaft sleeve 20 is fixed with the input shaft gear 34, the output shaft 17 can drive the third gear 18 to rotate, the third gear 18 can rotate, the intermediate shaft 32 can drive the third gear 18 to rotate, the third shaft body can drive the third shaft 13 to rotate, the second shaft body can drive the second speed reducer to rotate, the second shaft body 13 can drive the second speed reducer to rotate, and the second speed reducer body can drive the second speed reducer body to rotate, and the second speed reducer body to rotate to the second speed reducer body to rotate, and the second speed reducer body to rotate to the second speed 15 can drive the speed reducer to the speed 15 to rotate to the speed 15 to the speed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Planetary stirring speed reducer, including bottom speed reducer (1), lubricating pump (2) and planetary speed reducer (3), its characterized in that: the lower end of the planetary reducer (3) is connected with the bottom reducer (1), a lubricating pump (2) is arranged at the side end of the bottom reducer (1), the lubricating pump (2) supplies oil to a first bearing (5), a second bearing (8), a third bearing (12) and a fifth bearing (19) on an oil pool of the bottom reducer (1), and all the gears and the bearings at other parts are lubricated by the oil pool;
the bottom speed reducer (1) comprises a first box body (4), a first bearing (5), a first speed reducer gear shaft (6), a first bearing gland (7), a second bearing (8), a second speed reducer gear shaft (9), a second bearing cover (10), a first gear (11), a third bearing (12), a third speed reducer gear shaft (13) and a third bearing cover (14);
one side of the first box body (4) is provided with a first bearing (5), a first speed reducer gear shaft (6) is rotationally connected to the first bearing (5), the upper end of the first bearing (5) is provided with a first bearing gland (7), the second bearing (8), the second speed reducer gear shaft (9), a second bearing gland (10) and the first bearing (5), the first speed reducer gear shaft (6) and the first bearing gland (7) are arranged in parallel, the center of the second speed reducer gear shaft (9) is provided with a first gear (11), the third bearing (12), the third speed reducer gear shaft (13), a third shaft bearing cover (14) and the first bearing (5), the first speed reducer gear shaft (6) and the first bearing gland (7) are arranged in parallel, the first speed reducer gear shaft (6) and the second speed reducer gear shaft (9) are connected in a meshed mode through the first gear (11), the second speed reducer gear shaft (9) and the third speed reducer gear shaft (13) are connected in a meshed mode through a second gear output shaft (15), the side portion (17) is provided with a third bearing (17), the outer side of the third bearing (17) is connected with a fifth bearing (17), the outer side of the third bearing (17) is connected in a meshed mode, the output shaft (17) is connected in a meshed mode, the upper end of the output shaft (17) is rotationally connected with a seventh bearing through a sixth bearing (22), and a first oil retainer (21) is arranged at the connection position of the top of the output shaft (17) and the shaft sleeve (20).
2. The planetary stirring reducer of claim 1, wherein: the planetary reducer (3) comprises an eighth bearing (23), a fourth bearing gland (24), an output gear shaft (25), an output shaft framework seal (26), a fifth bearing gland (27), a ninth bearing (28), a second box body (29), a second oil retainer (30), a tenth bearing (31), an intermediate shaft (32), an intermediate shaft gear (33) and an input shaft gear (34), a reducer lower cover (35) and a reducer lower cover framework seal (36), the side end of the input shaft gear (34) is in meshed connection with the intermediate shaft gear (33), the center of the intermediate shaft gear (33) is fixedly connected with the intermediate shaft (32), the eighth bearing (23) and the fourth bearing gland (24) are arranged at the bottom of the intermediate shaft (32), the other end of the intermediate shaft gear (33) is in meshed connection with the output gear shaft (25), the second oil retainer (30) and the tenth bearing (31) are arranged on the upper portion of the output gear shaft (25), the output shaft gear (25) is provided with the output shaft framework seal (26), the fifth bearing (27) and the ninth bearing (28) are arranged at the lower end of the output gear shaft (25).
3. The planetary stirring reducer according to claim 2, characterized in that: the lubrication pump (2) supplies oil to a first bearing (5), a second bearing (8), a third bearing (12) and a fifth bearing (19) in the bottom speed reducer (1).
4. A planetary stirring reducer according to claim 3, characterized in that: the input shaft gear (34) drives the output gear shaft (25) to be connected in a rotating way through the intermediate shaft (32) and the intermediate shaft gear (33).
5. The planetary stirring reducer of claim 4, wherein: the centers of the first bearing (5), the second speed reducer gear shaft (9) and the third speed reducer gear shaft (13) are respectively provided with a rod body.
6. The planetary stirring reducer of claim 5, wherein: the lower extreme and the axle sleeve (20) top of input shaft gear (34) are fixed with the bolt, and input shaft gear (34) are not rotated on axle sleeve (20) top, play the effect of sun gear, and box two (29) are fixed mutually through the double flat key on output shaft (17) top, and output shaft (17) drive planetary reducer box two (29) revolution motion, and input shaft gear (34) drive jackshaft gear (33) rotation connection under box two (29) rotation influence simultaneously, jackshaft gear (33) drive output gear (25) rotation connection, and output gear (25) are planetary rotation motion.
CN202320408540.8U 2023-03-07 2023-03-07 Planetary stirring speed reducer Active CN220302713U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320408540.8U CN220302713U (en) 2023-03-07 2023-03-07 Planetary stirring speed reducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320408540.8U CN220302713U (en) 2023-03-07 2023-03-07 Planetary stirring speed reducer

Publications (1)

Publication Number Publication Date
CN220302713U true CN220302713U (en) 2024-01-05

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ID=89344816

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320408540.8U Active CN220302713U (en) 2023-03-07 2023-03-07 Planetary stirring speed reducer

Country Status (1)

Country Link
CN (1) CN220302713U (en)

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