CN112196953A - Shifting fork speed reducer for steel cord twisting machine - Google Patents
Shifting fork speed reducer for steel cord twisting machine Download PDFInfo
- Publication number
- CN112196953A CN112196953A CN202011167570.1A CN202011167570A CN112196953A CN 112196953 A CN112196953 A CN 112196953A CN 202011167570 A CN202011167570 A CN 202011167570A CN 112196953 A CN112196953 A CN 112196953A
- Authority
- CN
- China
- Prior art keywords
- duplicate
- shaft
- shifting fork
- steel cord
- duplicate gear
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 18
- 239000010959 steel Substances 0.000 title claims abstract description 18
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000009977 dual effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
- F16H3/30—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
- F16H3/32—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial and an additional shaft
-
- 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
-
- 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
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
-
- 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
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02069—Gearboxes for particular applications for industrial applications
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention relates to the field of speed reducers, and provides a shifting fork speed reducer for a steel cord twisting machine. All the transmission gears adopt duplicate gears, five shifting forks are utilized to respectively adjust the transmission relationship among five groups of duplicate gear pairs to form outputs with different transmission ratios in 32, and the production requirements of the steel cord can be met.
Description
Technical Field
The invention relates to the field of speed reducers, in particular to a shifting fork speed reducer for a steel cord twisting machine.
Background
The steel cord is mainly applied to the production of automobile tires and truck tires. The cord structure has specifications of 3+9+15 × 0.22, 3+9+15 × 0.175, 0.25+ (6+12) × 0.22, and the like. At present, steel cord twisting machine equipment generally comprises a core wire paying-off machine, a rotary upper wire paying-off machine, a wire collecting mechanism, an external over-twisting machine, a wire-rewinding machine and the like. In the production and twisting process of the steel cord, a speed reducer is required to provide outputs with different speed ratios. The speed reducer in the prior art has a small speed ratio adjusting range and cannot meet the production requirement of a steel cord.
Disclosure of Invention
The invention provides a shifting fork speed reducer for a steel cord twisting machine, which aims to meet the requirement of multi-reduction ratio output of the speed reducer in the production process of the steel cord.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
the shifting fork speed reducer for the steel cord twisting machine comprises a box body, wherein an input shaft, an output shaft and a plurality of intermediate shafts are supported in the box body in a parallel mode, at least one of the input shaft, the output shaft and the intermediate shafts is in meshing transmission through a group of duplicate gears, at least one duplicate gear is connected with a shifting fork and comprises four intermediate shafts, the first and second intermediate shafts are coaxially arranged with the input shaft, the third and fourth intermediate shafts are coaxially arranged with the output shaft, a duplicate gear is supported on the input shaft in a sliding mode through spline keys, two duplicate gears are respectively supported on the first and second intermediate shafts in a sliding mode through spline keys, two duplicate gears are respectively and fixedly supported on the third and fourth intermediate shafts, a duplicate gear is fixedly supported on the output shaft, and the two duplicate gears on the third intermediate shaft are simultaneously meshed with one duplicate gear of the input shaft and one duplicate gear of the first intermediate shaft, two duplicate gears on the fourth intermediate shaft are simultaneously meshed with the other duplicate gear of the first intermediate shaft and one duplicate gear of the second intermediate shaft, the duplicate gear on the output shaft is meshed with the other duplicate gear of the second intermediate shaft, and the duplicate gears on the input shaft, the first-stage and the second-stage duplicate shafts are respectively connected with a shifting fork device.
Furthermore, the shifting fork device comprises a rotating handle, a rotating shaft, a shifting fork connecting rod and a shifting fork, wherein the rotating shaft is rotatably supported on the box body, one end of the handle is connected with the rotating shaft, one end of the shifting fork is connected with the rotating shaft through the shifting fork connecting rod, and the other end of the shifting fork is connected with the duplicate gear.
Furthermore, the end of the handle is connected with a spring pin, the box body is provided with a limiting groove corresponding to the track of the handle, and two ends of the limiting groove are provided with pin holes matched with the spring pin.
And furthermore, the duplicate gear of each sliding support is composed of a spline sleeve and two gear units, wherein the spline is provided with a shifting fork groove matched with a shifting fork, and the two gear units are coaxially sleeved on the sliding sleeve and connected in a key mode.
After the technical scheme is adopted, the invention has the beneficial effects that: all the transmission gears adopt duplicate gears, five shifting forks are utilized to respectively adjust the transmission relationship among five groups of duplicate gear pairs to form outputs with different transmission ratios in 32, and the production requirements of the steel cord can be met.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a view A-A of the present invention;
fig. 3 is a right side view of the present invention.
Detailed Description
The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings:
as shown in fig. 2, the shifting fork reducer for the steel cord twisting machine comprises a box body 1, an input shaft 2 and an output shaft 3 are supported in the box body 1 in parallel by bearings, and the extending ends of the input shaft 2 and the output shaft 3 are respectively positioned at two sides of the box body 1. In order to realize multi-stage speed change, 5 pairs of double gear pairs are matched for transmission in the box body. In order to support the 5 pairs of double gear pairs, four intermediate shafts are supported in the box body, wherein the first intermediate shaft 4 and the second intermediate shaft 5 are coaxially arranged with the input shaft 2 through bearings, and the third intermediate shaft 6 and the fourth intermediate shaft 7 are coaxially arranged with the output shaft 3 through bearings in the box body 1. The input shaft 2 is provided with a spline sliding support and a duplex gear 8, the first intermediate shaft 4 and the second intermediate shaft 5 are respectively provided with two duplex gears 9,10,11,12 and a third, two duplicate gears 13,14,15,16 are fixedly supported on the fourth intermediate shafts 6,7 by keys respectively, a duplicate gear 17 is fixedly supported on the output shaft 3, the two duplicate gears 13,14 on the third intermediate shaft 6 are simultaneously meshed with the duplicate gear 8 on the input shaft 2 and the duplicate gear 9 on the front section of the first intermediate shaft 4, the two duplicate gears 15,16 on the fourth intermediate shaft 7 are simultaneously meshed with the duplicate gear 10 on the rear section of the first intermediate shaft 4 and the duplicate gear 11 on the front section of the second intermediate shaft 5, and the duplicate gear 17 on the output shaft 3 is meshed with the duplicate gear 12 on the rear section of the second intermediate shaft 5, so that 5 groups of duplicate gear pairs are formed. Two reduction ratios are arranged between each pair of duplicate gear pairs for transmission, when one of the duplicate gears which are slidably supported is shifted to change the transmission ratio, the output transmission ratio of the output shaft 3 is changed, and the combination of 5 pairs of duplicate gear pairs can generate different transmission ratio outputs in 32 at most. The transmission ratio of 5 pairs of transmissions is 36/36, 22/50; 36/36, 44/28; 36/36, 35/37; 36/36, 38/34; 36/36,32/40.
The input shaft 2, the first intermediate shaft 4 and the second intermediate shaft 5 are provided with splines, and the corresponding duplicate gears realize the sliding switching on the shafts through spline sleeves 18. The spline housing 18 is connected with a pair of gear units 19 with different tooth numbers through keys, the gear units 19 are limited by shaft shoulders and screws, and the spline housing 18 is further provided with an annular shifting fork groove 20 for realizing switching by being connected with a shifting fork device.
As shown in fig. 3, the shifting fork device is composed of a handle 21, a rotating shaft 22, a shifting fork connecting rod 23 and a shifting fork 24, the rotating shaft 22 is rotatably supported on the box body 1, the handle 21 and the shifting fork connecting rod 13 are respectively fixedly connected with one end of the rotating shaft 22 at the inner side and the outer side of the box body, the shifting fork 24 is installed at the head of the shifting fork connecting rod 23 and is connected with the shifting fork groove 20, and when the handle 21 is rotated, the shifting fork 24 shifts the spline housing 18 to complete the transmission switching of the corresponding duplicate gear pair.
As shown in figure 1, in order to control the shifting fork to shift the shifting fork sleeve 18 to an accurate position, an arc-shaped groove 25 for limiting the rotation of the handle is formed in the outer portion of the box body 1, positioning pin holes 26 are respectively formed in two ends of the arc-shaped groove 25, a spring pin 27 is installed at the tail end of the handle 21 and matched with the positioning pin holes 26, after the shifting fork 24 is shifted in place, the spring pin 27 is inserted into the positioning pin holes 26, the shifting fork device is axially limited to the spline sleeve 18, and the transmission stability is guaranteed.
Claims (4)
1. The shifting fork speed reducer for the steel cord twisting machine comprises a box body, wherein an input shaft, an output shaft and a plurality of intermediate shafts are supported in the box body in parallel, the input shaft, the output shaft and the intermediate shafts are at least in meshing transmission through a group of duplicate gears, at least one duplicate gear is connected with a shifting fork, the shifting fork speed reducer is characterized by comprising four-stage intermediate shafts, the first and second-stage intermediate shafts are coaxially arranged with the input shaft, the third and fourth-stage intermediate shafts are coaxially arranged with the output shaft, a duplicate gear is supported on the input shaft in a sliding mode through spline keys, two duplicate gears are respectively supported on the first and second intermediate shafts in a sliding mode through spline keys, two duplicate gears are respectively and fixedly supported on the third and fourth-stage intermediate shafts, a duplicate gear is fixedly supported on the output shaft, and the two duplicate gears on the third-stage intermediate shaft are simultaneously meshed with one duplicate gear of the input shaft and the first intermediate shaft, two duplicate gears on the fourth intermediate shaft are simultaneously meshed with the other duplicate gear of the first intermediate shaft and one duplicate gear of the second intermediate shaft, the duplicate gear on the output shaft is meshed with the other duplicate gear of the second intermediate shaft, and the duplicate gears on the input shaft, the first-stage and the second-stage duplicate shafts are respectively connected with a shifting fork device.
2. The shift fork reducer for a steel cord twisting machine according to claim 1, wherein the shift fork device comprises a rotating shaft, a shift fork link and a shift fork, the rotating shaft is rotatably supported on the box body, one end of the handle is connected with the rotating shaft, one end of the shift fork is connected with the rotating shaft through the shift fork link, and the other end of the shift fork is connected with the duplicate gear.
3. The shifting fork speed reducer for the steel cord twisting machine according to claim 1, wherein a spring pin is connected to an end of the handle, a limiting groove corresponding to a track of the handle is formed in the box body, and pin holes matched with the spring pin are formed in two ends of the limiting groove.
4. A fork reducer for a steel cord twisting machine according to claim 1, wherein each of the dual gears of each of the sliding bearings is composed of a spline housing and two gear units, the spline housing has a fork groove for engaging with a fork, and the two gear units are coaxially fitted to the sliding housing and are connected by a key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011167570.1A CN112196953B (en) | 2020-10-28 | 2020-10-28 | Shifting fork speed reducer for steel cord twisting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011167570.1A CN112196953B (en) | 2020-10-28 | 2020-10-28 | Shifting fork speed reducer for steel cord twisting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112196953A true CN112196953A (en) | 2021-01-08 |
| CN112196953B CN112196953B (en) | 2024-06-07 |
Family
ID=74011668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011167570.1A Active CN112196953B (en) | 2020-10-28 | 2020-10-28 | Shifting fork speed reducer for steel cord twisting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112196953B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201378923Y (en) * | 2009-03-17 | 2010-01-13 | 陈万荣 | Multifunctional mini-type cultivator upper transmission case with reverse gear |
| CN205605746U (en) * | 2016-02-16 | 2016-09-28 | 冷长胜 | Loader bending moment gearbox |
| JP2017036773A (en) * | 2015-08-07 | 2017-02-16 | ヤンマー株式会社 | Auxiliary shifting device and work vehicle equipped with the same |
| CN108443432A (en) * | 2018-06-11 | 2018-08-24 | 江苏赫夫特齿轮制造有限公司 | Uniaxial drive twin shaft exports three speed ratio speed reducers |
| CN214007930U (en) * | 2020-10-28 | 2021-08-20 | 江苏泰隆减速机股份有限公司 | Shifting fork speed reducer for steel cord twisting machine |
-
2020
- 2020-10-28 CN CN202011167570.1A patent/CN112196953B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201378923Y (en) * | 2009-03-17 | 2010-01-13 | 陈万荣 | Multifunctional mini-type cultivator upper transmission case with reverse gear |
| JP2017036773A (en) * | 2015-08-07 | 2017-02-16 | ヤンマー株式会社 | Auxiliary shifting device and work vehicle equipped with the same |
| CN205605746U (en) * | 2016-02-16 | 2016-09-28 | 冷长胜 | Loader bending moment gearbox |
| CN108443432A (en) * | 2018-06-11 | 2018-08-24 | 江苏赫夫特齿轮制造有限公司 | Uniaxial drive twin shaft exports three speed ratio speed reducers |
| CN214007930U (en) * | 2020-10-28 | 2021-08-20 | 江苏泰隆减速机股份有限公司 | Shifting fork speed reducer for steel cord twisting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112196953B (en) | 2024-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214007930U (en) | Shifting fork speed reducer for steel cord twisting machine | |
| CN202152833U (en) | Transmission device of double clutch transmission | |
| CN201100387Y (en) | Gear-varying and speed varying chain/gear | |
| CN111059228A (en) | Gearbox structure with auxiliary box | |
| US5085092A (en) | Gear transmission for vehicle | |
| CN112196953B (en) | Shifting fork speed reducer for steel cord twisting machine | |
| CN214305092U (en) | Steel cord double-speed bridge box speed reducer | |
| CN202914643U (en) | Transmission device of double-clutch speed changer | |
| CN210510172U (en) | Three-gear variable-speed transmission mechanism | |
| CN218718540U (en) | Eight-gear double-input gearbox | |
| CN201606458U (en) | Speed changing box of mini-tiller | |
| CN111207184B (en) | Parallel shaft type automatic transmission | |
| CN111017769A (en) | Double-speed-ratio speed reducer for coal mine hoisting winch | |
| CN202992113U (en) | Mechanical transmission | |
| CN202032059U (en) | Horizontal five-gear full-synchronous mechanical speed changer | |
| CN112343974B (en) | Speed reducer for steel cord double-speed bridge box | |
| CN217736179U (en) | Multi-stage speed change reducer | |
| CN212564285U (en) | Gear box of electric vehicle | |
| JPH03219152A (en) | Speed change gears | |
| CN113958667B (en) | Multi-gear double-clutch speed change mechanism | |
| CN216111980U (en) | Main speed reducer of disc drawing machine | |
| CN214118866U (en) | Machine tool spindle speed change mechanism | |
| CN215891085U (en) | Gear shifting structure of three-gear gearbox of electric vehicle | |
| CN220910404U (en) | Three-output gearbox | |
| CN220185720U (en) | Gear shifting mechanism and tractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |