CN109424726B - Steering transmission supporting device - Google Patents

Steering transmission supporting device Download PDF

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Publication number
CN109424726B
CN109424726B CN201710765135.0A CN201710765135A CN109424726B CN 109424726 B CN109424726 B CN 109424726B CN 201710765135 A CN201710765135 A CN 201710765135A CN 109424726 B CN109424726 B CN 109424726B
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CN
China
Prior art keywords
gear
transmission shaft
supporting seat
angular contact
contact ball
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.)
Active
Application number
CN201710765135.0A
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Chinese (zh)
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CN109424726A (en
Inventor
李卫国
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.)
Shanghai Eternal Machinery Co Ltd
Original Assignee
Shanghai Eternal Machinery Co Ltd
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Publication date
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Priority to CN201710765135.0A priority Critical patent/CN109424726B/en
Publication of CN109424726A publication Critical patent/CN109424726A/en
Application granted granted Critical
Publication of CN109424726B publication Critical patent/CN109424726B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
    • F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/0018—Shaft assemblies for gearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/0018—Shaft assemblies for gearings
    • F16H57/0025—Shaft assemblies for gearings with gearing elements rigidly connected to a shaft, e.g. securing gears or pulleys by specially adapted splines, keys or methods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Transmission (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The invention relates to a steering transmission supporting device which comprises a supporting seat, a transmission shaft, a first gear and a second gear, wherein the first gear is respectively connected with the supporting seat and the transmission shaft, the second gear is connected with the transmission shaft, the supporting seat is connected with the transmission shaft, the first gear is connected with the supporting seat through two groups of angular contact ball bearings, the two groups of angular contact ball bearings are arranged opposite to each other, the first gear is connected with the transmission shaft through a flat key, the second gear is connected with the transmission shaft through a flat key, and the supporting seat is connected with the transmission shaft through a deep groove ball bearing. Compared with the prior art, the invention has the advantages of comprehensive unloading, stable operation, compact transmission structure, easy manufacture and the like.

Description

Steering transmission supporting device
Technical Field
The invention relates to a transmission supporting device, in particular to a steering transmission supporting device.
Background
The utility model provides a cross cutting portion turns to transmission bearing structure, traditional structure is at transmission shaft both ends with the bearing support, and the bearing is supported respectively on the supporting seat of both sides, and the condition is that structurally allows the transmission shaft both ends to have the space can place the supporting seat, runs into the space limitation, can only place the supporting seat in transmission shaft one end when, and traditional both ends bearing structure will not be suitable for, how to realize carrying out stable transmission under the condition of unilateral support, balanced load is the problem that needs to solve now.
Disclosure of Invention
The object of the present invention is to provide a steering gear support device that overcomes the above-mentioned drawbacks of the prior art.
The aim of the invention can be achieved by the following technical scheme:
The device comprises a supporting seat, a transmission shaft, a first gear and a second gear, wherein the rotation axes of the first gear and the second gear are the same, the first gear is connected with the supporting seat through an angular contact ball bearing and is connected with the transmission shaft through a flat key, the second gear is connected with the transmission shaft through a flat key, the supporting seat is connected with the transmission shaft, and the supporting seat is a single-side supporting seat.
The first gear is connected with the supporting seat through two groups of angular contact ball bearings.
The two groups of angular contact ball bearings are combined back to back.
The supporting seat is connected with the root of the transmission shaft through a deep groove ball bearing.
The tail end of the first gear is provided with an extension part, and the extension part is connected with the supporting seat through an angular contact ball bearing.
The second gear is arranged at the front end of the transmission shaft, and a gland is arranged at the end part of the second gear.
Compared with the prior art, the invention has the following advantages:
1. comprehensive unloading and stable operation: according to the invention, through back-to-back combination of the two groups of angular contact ball bearings, radial load and torque acting on the first gear are unloaded to the supporting seat, and the radial load and torque of the second gear are balanced by the deep groove ball bearings between the supporting seat and the transmission shaft, so that stable transmission is ensured;
2. compact structure, clear stress: the first gear and the transmission shaft are connected through the flat key, so that the first gear is utilized to drive the second gear, the transmission structure is compact,
3. Reasonable layout and easy manufacture: the whole device has reasonable design, simple structure and easy manufacture.
Drawings
FIG. 1 is a front view of a steering gear support;
FIG. 2 is a cross-sectional view of the steering gear support taken along section A-A of FIG. 1;
FIG. 3 is a schematic diagram of the overall structure of the present invention;
1. the device comprises a supporting seat, 2, a transmission shaft, 3, a space ring, 4, an end cover, 5, a first gear, 6, a second gear, 7, a gland, 8, a third gear, 9, a fourth gear, 10, first inner hexagonal screws, 11, second inner hexagonal screws, 12, first flat keys, 13, second flat keys, 14, third inner hexagonal screws, 15, a first angular contact ball bearing, 16, a second angular contact ball bearing, 17 and a deep groove ball bearing.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Examples
The utility model provides a turn to transmission strutting arrangement, this device includes supporting seat, transmission shaft, first gear and second gear, connects through a set of angular contact ball bearing that mutually dorsad set up between first gear 5 and the supporting seat 1, and first gear 5 still connects transmission shaft 2 through flat key two 13, and second gear 6 connects the transmission shaft through flat key one 12, and supporting seat 1 connects transmission shaft 2 through deep groove ball bearing 17.
As shown in fig. 1 and 3, the first gear 5 and the third gear 8 are straight gears, the third gear 8 drives the first gear 5, the second gear 6 and the fourth gear 9 are bevel gears, as shown in fig. 2, a space ring 3 is arranged between a deep groove ball bearing on a transmission shaft and the left end part of the first gear 5, an end cover 4 is mounted on the right end part of a supporting seat through a third socket head cap screw 14, and a gland 7 is mounted on the right end part of the second gear through a first socket head cap screw 10 and a second socket head cap screw 11.
The first gear 5 is supported on the supporting seat 1 by a first angular contact ball bearing 15 and a second angular contact ball bearing 16, the first angular contact ball bearing 15 and the second angular contact ball bearing 16 are combined into a back-to-back combined angular contact ball bearing (DB shape), the distance between supporting action points of the back-to-back combined angular contact ball bearing (DB shape) is enlarged, the supporting stability of the first gear 5 is firstly solved, the radial load and torque on the first gear 5 when the third gear 8 and the first gear 5 are driven are balanced, and the load is unloaded to the supporting seat 1, so that the stable driving can be realized.
For steering transmission, the first gear 5 transmits power to the second gear 6 through the transmission shaft 2 matched with the flat key two 13 and the flat key one 12, and steering transmission is implemented through transmission combination of the second gear 6 and the fourth gear 9.
In order to balance the radial load and torque of the back-to-back combined angular contact ball bearing (DB shape) which are increased by the transmission of the second gear 6 and the fourth gear 9, a deep groove ball bearing 17 is added at the shaft end of the transmission shaft 2, so that the increased radial load and torque are well balanced and unloaded to the supporting seat 1; simultaneously, the axial load of the transmission shaft is also unloaded to the supporting seat 1 through the back-to-back combined angular contact ball bearing (DB-shaped).
When the steering transmission supporting device works, the first gear 5 is driven to rotate by external force, the transmission shaft 2 connected with the first gear 5 is driven to rotate, the transmission shaft 2 drives the second gear 6 to rotate, the first gear and the second gear are driven by a flat key, the transmission shaft and the second gear are also driven to rotate by the flat key, the first angular contact ball bearing 15 and the second angular contact ball bearing 16 balance the torque and the radial load of the first gear, the deep groove ball bearing 17 balances the torque and the radial load of the second gear, and the first gear and the second gear are unloaded to the supporting seat and keep the steering transmission supporting device to stably run.
While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.

Claims (2)

1. The steering transmission supporting device is characterized by comprising a supporting seat, a transmission shaft, a first gear and a second gear, wherein the rotation axes of the first gear and the second gear are the same, the first gear (5) is connected with the supporting seat (1) through an angular contact ball bearing and is connected with the transmission shaft (2) through a flat key, the second gear (6) is connected with the transmission shaft through a flat key, the supporting seat is connected with the transmission shaft, and the supporting seat is a single-side supporting seat;
The first gear (5) is connected with the supporting seat (1) through two groups of angular contact ball bearings;
the supporting seat (1) is connected with the root of the transmission shaft (2) through a deep groove ball bearing (17);
The tail end of the first gear is provided with an extension part which is connected with the supporting seat through an angular contact ball bearing;
The second gear is arranged at the front end of the transmission shaft, and a gland is arranged at the end part of the second gear.
2. The steering gear support device of claim 1, wherein the two sets of angular contact ball bearings are combined back-to-back.
CN201710765135.0A 2017-08-30 2017-08-30 Steering transmission supporting device Active CN109424726B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710765135.0A CN109424726B (en) 2017-08-30 2017-08-30 Steering transmission supporting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710765135.0A CN109424726B (en) 2017-08-30 2017-08-30 Steering transmission supporting device

Publications (2)

Publication Number Publication Date
CN109424726A CN109424726A (en) 2019-03-05
CN109424726B true CN109424726B (en) 2024-04-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710765135.0A Active CN109424726B (en) 2017-08-30 2017-08-30 Steering transmission supporting device

Country Status (1)

Country Link
CN (1) CN109424726B (en)

Citations (34)

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GB774128A (en) * 1954-05-06 1957-05-08 Illinois Tool Works Speed-reduction gearing
JP2003014056A (en) * 2001-06-28 2003-01-15 Takahiro Kogyo Kk Rotation transmission device, toothed rotor used for it, and manufacturing method for rotation transmission device
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JP2011085246A (en) * 2009-10-19 2011-04-28 Nsk Ltd Rotation supporting device of pinion shaft
CN102182815A (en) * 2011-03-16 2011-09-14 奇瑞汽车股份有限公司 Hypoid gear transmission mechanism
CN202038843U (en) * 2011-01-24 2011-11-16 杭州赛奇高空作业机械有限公司 Truss type landing leg with interlock switch
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CN205108255U (en) * 2015-07-26 2016-03-30 广东铭凯医疗机器人有限公司 Rehabilitation training device is bent to integrated training and motion state detection's ankle joint dorsiflex sole of foot
CN205117988U (en) * 2015-10-20 2016-03-30 大连冶金轴承股份有限公司 Zanjon ball and tapered roller combination bearing
CN205628598U (en) * 2016-04-28 2016-10-12 南京精谷种子机械有限公司 Eccentric oscillating screen
CN205780365U (en) * 2016-06-27 2016-12-07 九江精密测试技术研究所 A kind of power switching device of electromagnetic clutch
CN106224509A (en) * 2016-08-30 2016-12-14 江苏泰隆减速机股份有限公司 A kind of hydraulic cylinder shift reducer
CN106402316A (en) * 2016-11-03 2017-02-15 同济大学 Rotation and transverse movement conversion module device
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GB774128A (en) * 1954-05-06 1957-05-08 Illinois Tool Works Speed-reduction gearing
JP2003014056A (en) * 2001-06-28 2003-01-15 Takahiro Kogyo Kk Rotation transmission device, toothed rotor used for it, and manufacturing method for rotation transmission device
JP2003148458A (en) * 2001-11-08 2003-05-21 Koyo Seiko Co Ltd Bearing unit for supporting pinion shaft
EP1312835A2 (en) * 2001-11-16 2003-05-21 Koyo Seiko Co., Ltd. Bearing device used for transmission in automobiles
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CN106224509A (en) * 2016-08-30 2016-12-14 江苏泰隆减速机股份有限公司 A kind of hydraulic cylinder shift reducer
CN106402316A (en) * 2016-11-03 2017-02-15 同济大学 Rotation and transverse movement conversion module device
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