CN118482146A - Speed reducer for transmission device - Google Patents

Speed reducer for transmission device Download PDF

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Publication number
CN118482146A
CN118482146A CN202410939040.6A CN202410939040A CN118482146A CN 118482146 A CN118482146 A CN 118482146A CN 202410939040 A CN202410939040 A CN 202410939040A CN 118482146 A CN118482146 A CN 118482146A
Authority
CN
China
Prior art keywords
worm
bearing
angular contact
cylindrical roller
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410939040.6A
Other languages
Chinese (zh)
Inventor
叶茂行
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Yiyide Transmission Equipment Co ltd
Original Assignee
Hangzhou Yiyide Transmission Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Yiyide Transmission Equipment Co ltd filed Critical Hangzhou Yiyide Transmission Equipment Co ltd
Priority to CN202410939040.6A priority Critical patent/CN118482146A/en
Publication of CN118482146A publication Critical patent/CN118482146A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H1/00Toothed gearings for conveying rotary motion
    • F16H1/02Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/12Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
    • F16H1/16Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/021Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/023Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/029Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/12Arrangements for adjusting or for taking-up backlash not provided for elsewhere

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)

Abstract

The invention discloses a speed reducer for a transmission device, which comprises a shell, wherein a top cover is arranged at the top of the shell, and the speed reducer is characterized in that the shell is arranged in an upward installation mode, a worm gear transmission assembly is arranged in the shell, lubricating oil is filled in the shell, the lubricating oil is impregnated around the worm gear transmission assembly, the worm gear transmission assembly comprises a worm and a worm wheel, the worm and the worm wheel are meshed, a rotating shaft is arranged in the worm wheel, the rotating shaft is rotatably arranged in the shell, the worm is stably connected with the shell through a bearing structure to reduce the meshing side gap of the worm and the worm wheel, and the top cover is arranged between a working table surface in an external space and the shell, so that an oil seal can be avoided, and the lubricating oil in the shell can sufficiently lubricate the worm and the worm wheel while the equipment cost is lower.

Description

Speed reducer for transmission device
Technical Field
The invention relates to the technical field of speed reducer equipment, in particular to a speed reducer for a transmission device.
Background
Mechanical transmission equipment is often used in the fields of electric power systems of vehicles, vehicle transmission and pharmaceutical tabletting, and is the most common worm and gear speed reducer, and the function of station rotation can be realized by utilizing the worm and gear speed reducer to connect with a turntable and the like.
Since the above-mentioned fields have high requirements for speed reducers and transmission stability, special speed reducers used in the fields are also required.
The existing worm gear reducer has the defects that the worm gear reducer is generally arranged to be provided with an oil seal on a worm gear output shaft so as to meet the tightness, but more use of a sealing ring increases cost on one hand, and the oil seal also needs to be replaced frequently on the other hand. Secondly, when the worm is meshed with the worm wheel, the gear-shaped meshing side gap is larger in the working process of the speed reducer, so that the noise and vibration of the speed reducer are larger. There have been a great deal of research done.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a reduction gear for a transmission.
The invention is realized by the following technical scheme: the invention discloses a speed reducer for a transmission device, which is characterized by comprising a shell, wherein a top cover is arranged at the top of the shell, the speed reducer is characterized in that the shell is arranged in an upward installation mode, a worm and gear transmission assembly is arranged in the shell, lubricating oil is filled in the shell, the lubricating oil is impregnated around the worm and gear transmission assembly, the worm and gear transmission assembly comprises a worm and a worm wheel, the worm and the worm wheel are meshed, a rotating shaft is arranged in the worm wheel, the rotating shaft is rotatably arranged in the shell, and the worm is stably connected with the shell through a bearing structure so as to reduce meshing side gaps of the worm and the worm wheel.
Further technical scheme, be provided with the hole in the top cap, be provided with the second mounting hole in the pivot, be provided with the fixing base in the casing, be provided with ball bearing in hole and the fixing base, the pivot with ball bearing normal running fit is connected.
According to a further technical scheme, a shaft shoulder is arranged on the outer surface of the rotating shaft, the shaft shoulder abuts against one side of the inner ring of the ball bearing, a first boss is arranged at the bottom of the inner side of the fixing seat, and the first boss abuts against the outer ring of the ball bearing.
According to a further technical scheme, the bearing structure comprises a short cylindrical roller bearing and a double-row angular contact bearing, and the worm is connected with the shell in a rotating fit manner through the short cylindrical roller bearing and the double-row angular contact bearing.
According to a further technical scheme, the inner rings of the short cylindrical roller bearing and the double-row angular contact bearing are sleeved on the outer surface of the worm, and the outer rings of the short cylindrical roller bearing and the double-row angular contact bearing are clamped inside the shell.
According to a further technical scheme, a first mounting hole is formed in the front side and the rear side of the inside of the shell, the novel worm is further provided with an end cover assembly limiting the short cylindrical roller bearing and the double-row angular contact bearing in the first mounting hole, and a shaft shoulder assembly is arranged on the outer surface of the novel worm and is connected with the short cylindrical roller bearing and the double-row angular contact bearing in a matched mode.
According to a further technical scheme, the end cover assembly comprises an end cover, the end cover is mounted on one side of the shell, the end cover abuts against the outer rings of the short cylindrical roller bearings and the double-row angular contact bearings, a framework seal is arranged in the end cover, and the shaft body of the worm penetrates through the framework seal in a rotating mode.
Further technical scheme, be provided with short cylindrical roller bearing in the first mounting hole, be provided with hole clamp in the first mounting hole, hole clamp offset in short cylindrical roller bearing outer lane one side, when setting up biserial angular contact bearing in the first mounting hole, be provided with the second boss in the first mounting hole, the second boss offset in biserial angular contact bearing's outer lane.
Further technical scheme, the shaft shoulder assembly is including setting up in first shaft part of worm one side, first shaft part one side is provided with the second shaft part, second shaft part pivoted pass the skeleton is sealed, first shaft part set up in short cylinder roller bearing's inner circle, first shaft part surface is provided with the clamp for the axle, the clamp for the axle offsets in short cylinder roller bearing inner circle one side, the worm opposite side is provided with the third shaft part, third shaft part one side is provided with the fourth shaft part, fourth shaft part one side is provided with the fifth shaft part, the pivoted of fifth shaft part passes the skeleton is sealed.
According to a further technical scheme, the third shaft part is arranged on the inner ring of the double-row angular contact bearing, the outer surface of the fourth shaft part is in threaded fit connection with a locking block, and the locking block abuts against one side of the inner ring of the double-row angular contact bearing.
The beneficial effects of the invention are as follows: 1. through installing the shell upwards, arranging bolts in the through holes to stably install the shell on the lower side of a working table, and arranging the top cover between the working table in an external space and the shell, oil seals can be avoided, so that equipment cost is lower, and lubricating oil in the shell can sufficiently lubricate the worm and the worm wheel; the ball bearing at the upper side can be set to be a sealed bearing, so that the risk of lubricating oil pollution is further reduced, and meanwhile, the ball bearing at the lower side of the rotating shaft is set to be a single-side sealed bearing, so that the bearing can be soaked in lubricating oil, the service life of the bearing is prolonged, and convenience in installation can be realized.
2. Through set up short cylindrical roller bearing and biserial angular contact bearing respectively in worm both sides, increased worm bearing life-span, reduce the backlash of worm wheel and worm, noise and vibration that produces when realizing the speed change of speed when this kind of speed reducer when using inverter motor.
3. The fixing seat is integrally formed in the shell, and the rotating shaft is stably arranged in the shell by utilizing a matching structure formed by the top cover, the shaft shoulder, the ball bearing and the fixing seat, so that the transmission stability of the rotating shaft is improved.
4. The outer rings of the short cylindrical roller bearing and the double-row angular contact bearing are propped against each other through the end cover, the clamp for holes is propped against one side of the short cylindrical roller bearing, the second boss of the first installation hole at the front side is propped against the outer rings of the double-row angular contact bearing, the double-row angular contact bearing and the short cylindrical roller bearing can be stably arranged in the first installation hole, and the worm is stably arranged between the short cylindrical roller bearing and the double-row angular contact bearing through the shaft shoulder assembly, so that the transmission stability of the worm is improved.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic diagram of the overall structure of a speed reducer for a transmission device according to the present invention;
FIG. 2 is a schematic view of the direction A-A of FIG. 1;
FIG. 3 is a schematic diagram at B in FIG. 2;
FIG. 4 is a schematic diagram at C in FIG. 2;
In the drawing, a through hole 11, a top cover 12, a shoulder 13, an inner hole 14, a fixing base 16, a rotary shaft 17, a second mounting hole 18, a ball bearing 19, a worm wheel 21, a housing 22, a worm 23, a mounting groove 24, a first shaft portion 31, a first mounting hole 32, a short cylindrical roller bearing 33, an end cover 35, a second shaft portion 36, a shaft collar 37, a frame seal 38, a hole collar 39, a third shaft portion 41, a double row angular bearing 42, a lock block 43, a fifth shaft portion 46, and a fourth shaft portion 47.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 4, and for convenience of description, the following orientations will be defined as follows: the invention relates to a speed reducer for a transmission device, which is characterized in that the vertical, horizontal, front-rear directions are consistent with the vertical, horizontal, front-rear directions of the projection relation of the device in figure 1, the speed reducer comprises a shell 22, a top cover 12 is detachably arranged at the top of the shell 22, the shell 22 is arranged at the lower side of a working table surface in an upward mounting mode, namely, the top cover 12 is close to a mounting plane, the speed reducer is integrally arranged below the mounting plane, a worm and gear transmission assembly is arranged in the shell 22, lubricating oil is filled in the shell 22, and when the device is upwards mounted, the lubricating oil is accumulated around the worm and gear transmission assembly due to the action of gravity and is immersed, so that the lubricating oil can be prevented from leaking from the side of the top cover 12 without arranging an oil seal in the top cover 12, the worm and gear transmission assembly comprises a worm 23 and a worm wheel 21, a rotating shaft 17 is arranged in the worm 23 and the worm wheel 21 in a meshed manner, the rotating shaft 17 is arranged in the shell 22, and the worm 23 is stably connected with the shell 22 through a bearing structure so as to reduce the meshing side gap of the worm 23 and the worm wheel 21.
Advantageously, the bearing structure comprises a short cylindrical roller bearing 33 and a double-row angular contact bearing 42, the worm 23 is connected with the shell 22 in a rotating fit manner through the short cylindrical roller bearing 33 and the double-row angular contact bearing 42, one or more short cylindrical roller bearings 33 and the double-row angular contact bearing 42 can be arranged, and the short cylindrical roller bearing 33 and the double-row angular contact bearing 42 are respectively arranged at two sides of the worm 23; that is, when the short cylindrical roller bearing 33 is provided on the front side of the worm 23, the double row angular contact bearing 42 is provided on the rear side of the worm 23; when the short cylindrical roller bearing 33 is arranged at the rear side of the worm 23, the double row angular contact bearing 42 is arranged at the front side of the worm 23; the inner rings of the short cylindrical roller bearing 33 and the double-row angular contact bearing 42 are sleeved on the outer surface of the worm 23, and the outer rings of the short cylindrical roller bearing 33 and the double-row angular contact bearing 42 are clamped inside the shell 22.
Advantageously, the housing 22 is provided with a first mounting hole 32 on each of front and rear sides thereof, the short cylindrical roller bearing 33 and the double-row angular contact bearing 42 are mounted in the first mounting hole 32, an end cover assembly is arranged on one side of the short cylindrical roller bearing 33 and the double-row angular contact bearing 42 to limit the short cylindrical roller bearing 33 and the double-row angular contact bearing 42 to the first mounting hole 32, and a shoulder assembly is arranged on the outer surface of the worm 23 to be connected with the short cylindrical roller bearing 33 and the double-row angular contact bearing 42 in a matched manner.
Advantageously, the end cap assembly comprises an end cap 35, the end cap 35 being mounted on one side of the housing 22 by bolting, and the end cap 35 being against the outer race of the short cylindrical roller bearing 33 and the double row angular contact bearing 42, a skeleton seal 38 being provided in the end cap 35, the shaft portion of the worm 23 passing rotationally through the skeleton seal 38.
Advantageously, when the short cylindrical roller bearing 33 is disposed in the first mounting hole 32 on the rear side, the hole clamp 39 is disposed in the first mounting hole 32, the hole clamp 39 abuts against the outer ring side of the short cylindrical roller bearing 33, the outer ring of the short cylindrical roller bearing 33 is restricted in the first mounting hole 32 by the hole clamp 39 and the end cover 35, when the double-row angular contact bearing 42 is disposed in the first mounting hole 32 on the front side, the second boss abuts against the outer ring of the double-row angular contact bearing 42, and the double-row angular contact bearing 42 is restricted in the first mounting hole 32 on the front side by the end cover 35 and the second boss in the first mounting hole 32 on the front side.
Advantageously, the shoulder assembly includes a first shaft portion 31 disposed on the side of the worm 23, a second shaft portion 36 disposed on the side of the first shaft portion 31, the second shaft portion 36 rotatably passing through the frame seal 38, the first shaft portion 31 disposed on the inner ring of the short cylindrical roller bearing 33, a shaft clip 37 disposed on the outer surface of the first shaft portion 31, the shaft clip 37 abutted against the inner ring of the short cylindrical roller bearing 33, the first shaft portion 31 stably disposed on the inner ring of the short cylindrical roller bearing 33, a third shaft portion 41 disposed on the other side of the worm 23, a fourth shaft portion 47 disposed on the side of the third shaft portion 41, a fifth shaft portion 46 disposed on the side of the fourth shaft portion 47, the fifth shaft portion 46 rotatably passing through the frame seal 38, the third shaft portion 41 disposed on the inner ring of the double angular contact bearing 42, a locking piece 43 disposed on the outer surface of the fourth shaft portion 47 in a threaded fit, the locking piece 43 abutted against the inner ring side of the double angular contact bearing 42, and a key groove disposed at the ends of the second shaft portion 36 and the fifth shaft portion 46, so that the motor shaft can be in dynamic connection with the external space to realize a transmission function.
Advantageously, a locking washer may be provided between the locking piece 43 and the inner ring of the double row angular contact bearing 42 to improve the connection stability of the inner ring of the double row angular contact bearing 42 to the fourth shaft portion 47.
Advantageously, the top cover 12 is provided with an inner hole 14, the rotating shaft 17 is provided with a second mounting hole 18, the second mounting hole 18 is communicated with the inner hole 14, and the inner hole 14 penetrates up and down.
Advantageously, the fixed seat 16 is disposed in the housing 22, the fixed seat 16 and the housing 22 are integrally formed, the ball bearing 19 is disposed in the inner hole 14 and the fixed seat 16, and the rotating shaft 17 is connected with the ball bearing 19 in a rotating fit manner.
Advantageously, wherein, pivot 17 surface is provided with shoulder 13, and shoulder 13 offsets in ball bearing 19 inner circle one side, through this structure, can make pivot 17 stable install in ball bearing 19 inside, make top cap 12 push down in the ball bearing 19 outer lane of upside, shoulder 13 push down in ball bearing 19 inner circle one side, fixing base 16 inboard bottom is provided with first boss, first boss offsets with the ball bearing 19 outer lane of downside, make the ball bearing 19 of downside can stable install in fixing base 16 inside, make pivot 17 stable setting in ball bearing 19 of downside, can make pivot 17 carry out stable transmission through above-mentioned measure.
Advantageously, wherein the top of the housing 22 is provided with a mounting slot 24, the top cover 12 is snapped into the mounting slot 24, and the top cover 12 is bolted into the mounting slot 24.
By connecting the motor shaft to the second shaft portion 36 or the fifth shaft portion 46, since the second shaft portion 36 or the fifth shaft portion 46 and the worm 23 are integrally provided, the worm 23 can rotate the worm wheel 21 and the rotation shaft 17.
The housing 22 is installed upward, i.e., the installation surface of the external space is on, and the top cover 12 is disposed on the lower side of the installation surface; because the equipment is required to be installed for installation and use, the equipment is required to be installed on one side of other equipment during installation and use; a mounting surface is required to mount the device, so that the mounting surface of the external space is referred to herein as the mounting surface.
The second mounting hole 18 is arranged in the rotating shaft 17, and other structures can be connected through the second mounting hole 18, so that the rotating shaft 17 can drive equipment in an external space to move.
Through holes and key grooves can be formed in the second mounting holes 18 so as to facilitate connection transmission with equipment in an external space.
The top of the housing 22 is provided with a plurality of through holes 11, and bolts are arranged in the through holes 11 to be locked and fixed with the external space mounting surface.
The speed reducer can also be applied to, for example: the electric power steering system can also be used for vehicle power transmission, electric booster transmission or electric power steering system.
The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that do not undergo the inventive work should be covered in the scope of the present invention; therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (10)

1. The utility model provides a speed reducer for transmission, includes casing (22), casing (22) top is provided with top cap (12), its characterized in that, casing (22) adopt the mode setting up of installing up, be provided with worm gear drive assembly in casing (22), it has lubricating oil to flood in casing (22), and lubricating oil flooding is around worm gear drive assembly, and worm gear drive assembly includes worm (23) and worm wheel (21), worm (23) and worm wheel (21) meshing set up, be provided with pivot (17) in worm wheel (21), pivot (17) pivoted set up in casing (22), worm (23) through bearing structure with casing (22) stable connection is in order to reduce the meshing backlash of worm (23) and worm wheel (21).
2. A speed reducer for a transmission according to claim 1, characterized in that: an inner hole (14) is formed in the top cover (12), a fixed seat (16) is arranged in the shell (22), a ball bearing (19) is arranged in the inner hole (14) and the fixed seat (16), and the rotating shaft (17) is connected with the ball bearing (19) in a rotating fit manner.
3. A speed reducer for a transmission according to claim 2, characterized in that: the outer surface of the rotating shaft (17) is provided with a shaft shoulder (13), the shaft shoulder (13) props against one side of an inner ring of the ball bearing (19), a first boss is arranged at the bottom of the inner side of the fixed seat (16), and the first boss props against the outer ring of the ball bearing (19) at the lower side.
4. A speed reducer for a transmission according to any one of claims 1 to 3, characterized in that: the bearing structure comprises a short cylindrical roller bearing (33) and a double-row angular contact bearing (42), and the worm (23) is connected with the shell (22) in a rotating fit manner through the short cylindrical roller bearing (33) and the double-row angular contact bearing (42).
5. A speed reducer for a transmission according to claim 4, characterized in that: the inner rings of the short cylindrical roller bearing (33) and the double-row angular contact bearing (42) are sleeved on the outer surface of the worm (23), and the outer rings of the short cylindrical roller bearing (33) and the double-row angular contact bearing (42) are clamped inside the shell (22).
6. A speed reducer for a transmission according to claim 5, characterized in that: the novel worm gear is characterized in that a first mounting hole (32) is formed in the front side and the rear side of the inside of the shell (22), the novel worm gear further comprises an end cover assembly for limiting the short cylindrical roller bearing (33) and the double-row angular contact bearing (42) to the first mounting hole (32), and a shaft shoulder assembly is arranged on the outer surface of the worm (23) and is connected with the short cylindrical roller bearing (33) and the double-row angular contact bearing (42) in a matched mode.
7. The speed reducer for transmission according to claim 6, wherein: the end cover assembly comprises an end cover (35), the end cover (35) is mounted on one side of the shell (22), the end cover (35) abuts against the outer rings of the short cylindrical roller bearings (33) and the double-row angular contact bearings (42), a framework seal (38) is arranged in the end cover (35), and the shaft body of the worm (23) penetrates through the framework seal (38) in a partially rotating mode.
8. A speed reducer for a transmission according to claim 7, characterized in that: when being provided with short cylindrical roller bearing (33) in first mounting hole (32), be provided with hole clamp (39) in first mounting hole (32), hole clamp (39) offset in short cylindrical roller bearing (33) outer lane one side, when setting up biserial angular contact bearing (42) in first mounting hole (32), be provided with the second boss in first mounting hole (32), the second boss offset in the outer lane of biserial angular contact bearing (42).
9. A speed reducer for a transmission according to claim 7, characterized in that: the shaft shoulder assembly comprises a first shaft part (31) arranged on one side of the worm (23), a second shaft part (36) is arranged on one side of the first shaft part (31), the second shaft part (36) penetrates through the framework seal (38) in a rotating mode, the first shaft part (31) is arranged on the inner ring of the short cylindrical roller bearing (33), a shaft clamp (37) is arranged on the outer surface of the first shaft part (31), the shaft clamp (37) abuts against one side of the inner ring of the short cylindrical roller bearing (33), a third shaft part (41) is arranged on the other side of the worm (23), a fourth shaft part (47) is arranged on one side of the third shaft part (41), a fifth shaft part (46) is arranged on one side of the fourth shaft part (47), and the fifth shaft part (46) penetrates through the framework seal (38) in a rotating mode.
10. A speed reducer for a transmission according to claim 9, characterized in that: the third shaft part (41) is arranged on the inner ring of the double-row angular contact bearing (42), the outer surface of the fourth shaft part (47) is provided with a locking block (43) in a threaded fit connection mode, and the locking block (43) abuts against one side of the inner ring of the double-row angular contact bearing (42).
CN202410939040.6A 2024-07-15 2024-07-15 Speed reducer for transmission device Pending CN118482146A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410939040.6A CN118482146A (en) 2024-07-15 2024-07-15 Speed reducer for transmission device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410939040.6A CN118482146A (en) 2024-07-15 2024-07-15 Speed reducer for transmission device

Publications (1)

Publication Number Publication Date
CN118482146A true CN118482146A (en) 2024-08-13

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CN202410939040.6A Pending CN118482146A (en) 2024-07-15 2024-07-15 Speed reducer for transmission device

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
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