CN102701075B - Gear transmission mechanism and crane end beam using same - Google Patents
Gear transmission mechanism and crane end beam using same Download PDFInfo
- Publication number
- CN102701075B CN102701075B CN201210162016.3A CN201210162016A CN102701075B CN 102701075 B CN102701075 B CN 102701075B CN 201210162016 A CN201210162016 A CN 201210162016A CN 102701075 B CN102701075 B CN 102701075B
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- China
- Prior art keywords
- reductor
- frame
- gear
- driving gear
- driven gear
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- Jib Cranes (AREA)
Abstract
The invention discloses a gear transmission mechanism and a crane end beam using same. The gear transmission mechanism comprises a driven gear and a drive system for driving the driven gear, wherein the drive system comprises a speed reducer and a drive gear which is in coaxial transmission connection with an output shaft at the front end of the speed reducer; the drive gear and the speed reducer can be movably fixed and arranged on a rack along an axial direction of the output shaft of the speed reducer; the rack is detachably provided with an adjusting pad which can be used for being pushed to be pressed on the speed reducer to regulate the distance between the speed reducer and the rack; the width of the drive gear is larger than the width of the driven gear; the front end of the drive gear is provided with a front meshing part which is in meshing transmission with the driven gear when the adjusting pad is positioned between the rack and the speed reducer; the rear end of the drive gear is provided with a rear meshing part which is in meshing transmission with the driven gear after the adjusting pad is dismantled from the rack and the drive gear and the speed reducer are moved forwards; and the service life of the gear transmission mechanism is long, so that the maintenance frequency and the maintenance cost are effectively reduced.
Description
Technical field
The invention belongs to mechanical transmissioning technology field, be specifically related to a kind of gear drive and use the crane end carriage of this transmission device.
Background technology
In the wheel flanges of being everlasting on existing cart or dolly end carriage, be bolted to connection the gear ring circumferentially extending along wheel, gear ring and driving gear engaged transmission, driving gear is driven by motor and reductor, and motor, reductor and driving gear are all fixed in the frame of end carriage.During use, by motor via reducer, drive driving gear to rotate, driving gear and gear ring engaged transmission, the normal walking in orbit of gear ring band motor car wheel.
But above-mentioned structure of assembling gear ring on wheel is not only wasted material, and the engagement width of gear ring and driving gear is constant, so in use for some time, on driving gear, for the engaging piece wearing and tearing corresponding with being installed in driven tooth on wheel or while there is defect that impact used, just must change driving gear and speed reducer output shaft, even need to change reductor, so, not only whole maintenance cost is higher, and the replacing time is longer, affects the normal work of operating unit.
Summary of the invention
The object of the present invention is to provide a kind of gear drive, to solve in prior art, when wearing and tearing appear in the engaging piece of driving gear, need to change driving gear and speed reducer output shaft and cause the technical matters that whole maintenance cost is higher; Meanwhile, the present invention also provides a kind of crane end carriage that uses above-mentioned transmission device.
For achieving the above object, gear drive provided by the present invention adopts following technical scheme: a kind of gear drive, comprise frame, the drive system that driven gear is installed in frame and drives driven gear to rotate, this drive system comprises reductor and the driving gear being connected with the front end output shaft coaxial transmission of reductor, described driving gear and reductor are movably fixedly assemblied in frame on axial along speed reducer output shaft, in frame dismantled and assembled be furnished with for pushing up be pressed on reductor to adjust the adjusting pad of distance between reductor and frame, the facewidth of driving gear is greater than the facewidth of driven gear, front end at driving gear has when adjusting pad is between frame and reductor for the front engaging piece with driven gear engaged transmission, in the rear end of driving gear, have when adjusting pad is removed from frame, and by after the reach of driving gear and reductor for the rear engaging piece with driven gear engaged transmission.
Described dismantled and assembledly fit over adjusting pad coaxial package in frame on the front end output shaft of described reductor.
Crane end carriage provided by the present invention adopts following technical scheme: a kind of crane end carriage, comprise gear drive, this gear drive comprises the frame of end carriage, the drive system of wheel and driving vehicle wheel rotation is installed in frame, this drive system comprises reductor and the driving gear being connected with the front end output shaft coaxial transmission of reductor, on wheel, there is the driven gear with driving gear engaged transmission, described driving gear and reductor are movably fixedly assemblied in frame on axial along speed reducer output shaft, in frame dismantled and assembled be furnished with for pushing up be pressed on reductor to adjust the adjusting pad of distance between reductor and frame, the facewidth of driving gear is greater than the facewidth of driven gear, front end at driving gear has when adjusting pad is between frame and reductor for the front engaging piece with driven gear engaged transmission, in the rear end of driving gear, have when adjusting pad is removed from frame, and by after the reach of driving gear and reductor for the rear engaging piece with driven gear engaged transmission.
Described dismantled and assembledly fit over adjusting pad coaxial package in frame on the front end output shaft of described reductor.
A side towards drive system on described wheel has rear flange, and the circumferential edge one of this rear flange is concaved with for the engaging tooth with described driving gear engaged transmission, described in be concaved with engaging tooth rear flange be described driven gear.
The invention has the beneficial effects as follows: dismantled and assembled in frame in gear drive provided by the present invention be furnished with for adjusting the adjusting pad of distance between frame and reductor, reductor drives driven gear to rotate by driving gear, on driving gear, there are wearing and tearing or occur after the defect of impact use with the front engaging piece of driven gear engaged transmission, adjusting pad can be pulled down from frame, and by driving gear and reductor reach, so the rear engaging piece on driving gear will with driven gear engaged transmission, after reductor is retightened in frame, gear drive will continue normal work.Said gear transmission device long service life, has effectively reduced frequency of maintenance and service expenditure.
Dismantled and assembled in the frame of crane end carriage provided by the present invention be furnished with for adjusting the adjusting pad of distance between frame and reductor, reductor drives vehicle wheel rotation by driving gear, on driving gear with wheel on the front engaging piece of driven gear engaged transmission there are wearing and tearing or occur defect that impact used after, adjusting pad can be pulled down from frame, and by driving gear and reductor reach, so the rear engaging piece on driving gear by with wheel on driven gear engaged transmission, after reductor is retightened in frame, gear drive will continue normal work.Above-mentioned crane end carriage long service life, has effectively reduced frequency of maintenance and service expenditure.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of crane end carriage provided by the present invention;
Fig. 2 is the structural representation of the crane end carriage shown in Fig. 1 after removing adjusting pad.
The specific embodiment
As shown in Figure 1 and Figure 2, a kind of embodiment of crane end carriage, crane end carriage in this embodiment comprises gear drive, this gear drive comprises the frame 6 of end carriage, the drive system that wheel 1 and driving vehicle wheel rotation are installed in frame 6, this drive system comprises motor 5, reductor 4 and the driving gear 2 being connected with the front end output shaft coaxial transmission of reductor.A side towards drive system on wheel 1 has rear flange, the circumferential edge one of this rear flange is concaved with for the engaging tooth with described driving gear engaged transmission, this rear flange that is concaved with engaging tooth is described driven gear, driving gear 2, reductor 4 and motor 5 are movably fixedly assemblied in frame 6 on axial along speed reducer output shaft, in frame 6 dismantled and assembled be furnished with for pushing up be pressed on reductor to adjust the adjusting pad 3 of distance between reductor and frame, adjusting pad 3 coaxial packages are herein on the front end output shaft of described reductor 4, the facewidth of driving gear is greater than the facewidth of driven gear, front end at driving gear 2 has when adjusting pad 3 is between frame 6 and reductor 4 for the front engaging piece with driven gear engaged transmission, in the rear end of driving gear 2, have when adjusting pad 3 is removed from frame 6, and by after 4 reaches of driving gear 2 and reductor for the rear engaging piece with driven gear engaged transmission.
Dismantled and assembled between frame 6 and reductor 4 on above-mentioned crane end carriage be furnished with adjusting pad 3, so at the beginning, by the front engaging piece of driving gear 2 and the driven gear engaged transmission on wheel 1, after using a period of time, on driving gear 2 with wheel 1 on the front engaging piece of driven gear engaged transmission there are wearing and tearing or occur defect that impact used after, adjusting pad 3 can be pulled down from frame 6, and by driving gear 2 and reductor 4 reaches, so the rear engaging piece on driving gear 2 by with wheel on driven gear engaged transmission, after reductor 4 is retightened in frame 6, gear drive will continue normal work.
In above-described embodiment, the engaging tooth one on wheel is arranged with the peripheral edge of flange after wheel along sentencing formation driven gear, so not only saves material, and its monnolithic case compactness is attractive in appearance simultaneously.Certainly, in other embodiments, also can adopt of the prior artly after wheel, on flange, to set firmly driven gear ring to form driven gear.
In above-described embodiment, adjusting pad is sleeved on the output shaft of reductor, because adjusting pad mainly plays the effect of adjusting distance between frame and reductor, so in other embodiments, adjusting pad also can not be sleeved on the output shaft of reductor, and adjusting pad is to the surrounding that dispersed texture is distributed in speed reducer output shaft.
A kind of embodiment of gear drive, this embodiment middle gear transmission device is identical with the structure of the gear drive shown in Fig. 1, Fig. 2, but because the gear drive that the present embodiment provides can be applied in other place, only be not limited to and be applied on end carriage, so should not be considered as the restriction to disclosed gear drive in the present embodiment by drive systems wheel shown in Fig. 1, Fig. 2.Gear drive in the present embodiment comprises frame 6, the drive system that driven gear is installed in frame 6 and drives driven gear to rotate, this drive system comprises reductor 4 and the driving gear 2 being connected with the front end output shaft coaxial transmission of reductor 4, driving gear 2 and reductor 4 are movably fixedly assemblied in frame on axial along speed reducer output shaft, in frame 6 dismantled and assembled be furnished with for pushing up be pressed on reductor to adjust the adjusting pad 3 of distance between reductor and frame, these adjusting pad 3 coaxial packages are on the front end output shaft of described reductor 4, the facewidth of driving gear 2 is greater than the facewidth of driven gear, front end at driving gear has when adjusting pad is between frame and reductor for the front engaging piece with driven gear engaged transmission, in the rear end of driving gear, have when adjusting pad is removed from frame, and by after the reach of driving gear and reductor for the rear engaging piece with driven gear engaged transmission.
Claims (5)
1. a gear drive, comprise frame, the drive system that driven gear is installed in frame and drives driven gear to rotate, this drive system comprises reductor and the driving gear being connected with the front end output shaft coaxial transmission of reductor, it is characterized in that: described driving gear and reductor are movably fixedly assemblied in frame on axial along speed reducer output shaft, in frame dismantled and assembled be furnished with for pushing up be pressed on reductor to adjust the adjusting pad of distance between reductor and frame, the facewidth of driving gear is greater than the facewidth of driven gear, front end at driving gear has when adjusting pad is between frame and reductor for the front engaging piece with driven gear engaged transmission, in the rear end of driving gear, have when adjusting pad is removed from frame, and after the reach of driving gear and reductor is retightened in frame for the rear engaging piece with driven gear engaged transmission.
2. gear drive according to claim 1, is characterized in that: described dismantled and assembledly fit over adjusting pad coaxial package in frame on the front end output shaft of described reductor.
3. a crane end carriage, comprise gear drive, this gear drive comprises the frame of end carriage, the drive system of wheel and driving vehicle wheel rotation is installed in frame, this drive system comprises reductor and the driving gear being connected with the front end output shaft coaxial transmission of reductor, on wheel, there is the driven gear with driving gear engaged transmission, it is characterized in that: described driving gear and reductor are movably fixedly assemblied in frame on axial along speed reducer output shaft, in frame dismantled and assembled be furnished with for pushing up be pressed on reductor to adjust the adjusting pad of distance between reductor and frame, the facewidth of driving gear is greater than the facewidth of driven gear, front end at driving gear has when adjusting pad is between frame and reductor for the front engaging piece with driven gear engaged transmission, in the rear end of driving gear, have when adjusting pad is removed from frame, and by after the reach of driving gear and reductor for the rear engaging piece with driven gear engaged transmission.
4. crane end carriage according to claim 3, is characterized in that: described dismantled and assembledly fit over adjusting pad coaxial package in frame on the front end output shaft of described reductor.
5. according to the crane end carriage described in claim 3 or 4, it is characterized in that: the side towards drive system on described wheel has rear flange, the circumferential edge one of this rear flange is concaved with for the engaging tooth with described driving gear engaged transmission, described in be concaved with engaging tooth rear flange be described driven gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210162016.3A CN102701075B (en) | 2012-05-23 | 2012-05-23 | Gear transmission mechanism and crane end beam using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210162016.3A CN102701075B (en) | 2012-05-23 | 2012-05-23 | Gear transmission mechanism and crane end beam using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102701075A CN102701075A (en) | 2012-10-03 |
| CN102701075B true CN102701075B (en) | 2014-10-29 |
Family
ID=46894218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210162016.3A Expired - Fee Related CN102701075B (en) | 2012-05-23 | 2012-05-23 | Gear transmission mechanism and crane end beam using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102701075B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112589478B (en) * | 2020-11-26 | 2022-07-26 | 雅安恒成精密刀具有限公司 | Combined type rotary supporting device and method for rotary worktable for machine tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1098146A (en) * | 1966-01-13 | 1968-01-10 | Demag Zug Gmbh | Travel gear for cranes and trolleys |
| JP3084765B2 (en) * | 1991-03-11 | 2000-09-04 | 株式会社日立製作所 | Saddle unit for crane |
| CN101607673A (en) * | 2008-06-17 | 2009-12-23 | 卫华集团有限公司 | The actuating device of wheels of crane |
| CN101790652A (en) * | 2007-12-27 | 2010-07-28 | 爱信艾达株式会社 | Gear rotation transmitting device |
| EP2280191A2 (en) * | 2009-07-29 | 2011-02-02 | Liebherr-Werk Biberach GmbH | Drive unit with overload protection for driving a crown gear, set comprising a plurality of such drive units and device comprising such a drive unit |
| CN202704838U (en) * | 2012-05-23 | 2013-01-30 | 河南省矿山起重机有限公司 | Gear transmission mechanism and crane end beam utilizing same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3249033B2 (en) * | 1995-10-09 | 2002-01-21 | 株式会社日立製作所 | Crane saddle |
-
2012
- 2012-05-23 CN CN201210162016.3A patent/CN102701075B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1098146A (en) * | 1966-01-13 | 1968-01-10 | Demag Zug Gmbh | Travel gear for cranes and trolleys |
| JP3084765B2 (en) * | 1991-03-11 | 2000-09-04 | 株式会社日立製作所 | Saddle unit for crane |
| CN101790652A (en) * | 2007-12-27 | 2010-07-28 | 爱信艾达株式会社 | Gear rotation transmitting device |
| CN101607673A (en) * | 2008-06-17 | 2009-12-23 | 卫华集团有限公司 | The actuating device of wheels of crane |
| EP2280191A2 (en) * | 2009-07-29 | 2011-02-02 | Liebherr-Werk Biberach GmbH | Drive unit with overload protection for driving a crown gear, set comprising a plurality of such drive units and device comprising such a drive unit |
| CN202704838U (en) * | 2012-05-23 | 2013-01-30 | 河南省矿山起重机有限公司 | Gear transmission mechanism and crane end beam utilizing same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102701075A (en) | 2012-10-03 |
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