CN208279239U - A kind of crane special retarding reel - Google Patents
A kind of crane special retarding reel Download PDFInfo
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- CN208279239U CN208279239U CN201820832567.9U CN201820832567U CN208279239U CN 208279239 U CN208279239 U CN 208279239U CN 201820832567 U CN201820832567 U CN 201820832567U CN 208279239 U CN208279239 U CN 208279239U
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- bevel gear
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- connecting rod
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Abstract
The utility model discloses a kind of crane special retarding reels, including reel, driving motor, reduction gear, reduction gear includes arranged side by side first, second and third and four bevel gears, one or four bevel gear is fixed on input shaft, it is mounted on input shaft by first bearing, the number of teeth of third hand tap gear is minimum；It is symmetrically installed with first group of connecting rod on the inside walls of the mandrel, first group of connecting rod is vertical with input shaft, and is respectively equipped with the first and second bevel gear set first and second group of connecting rod free end；Second group of connecting rod is connected by second bearing with reel, first and two bevel gear set be there are two bevel gear set at use two sets of bevel gear structures, the utility model utilizes the cooperation between two sets of bevel gears, retarder can be mounted on inside reel the decelerating effect of input electric motor shaft by completion, not only reduce the self weight of a whole set of deceleration device, and crane is improved to the utilization rate of the confined space, while reducing retarder self weight, more possibility also are provided for the optimization of crane structure.
Description
Technical field
The utility model belongs to crane technical field, the deceleration mechanism being related in a kind of crane, more particularly to one
Kind crane special retarding reel.
Background technique
Hoisting machinery is that one kind is mentioned in national economy using widely extraordinary hanging device, being widely used in for crane
The labor efficiency of worker is greatly reduced while high efficiency, and the lifting equipment of some large sizes is that some large sizes are complete
The integral hoisting of equipment provides possibility.But the crane in China is commonly designed very heavy, hoist reduction gear still edge
Very heavy in structure with gear reduction unit decades ago, while occupied space, biggish self weight is increased to rising
The burden of heavy-duty machine structure.
Summary of the invention
In order to solve the problems in the existing technology, the utility model discloses a kind of crane special retarding reel,
The decelerating effect energy to input electric motor shaft is completed using the cooperation between two sets of bevel gears using two sets of bevel gear structures
It is enough that retarder is mounted on inside reel, the self weight of a whole set of deceleration device is not only reduced, and improve crane to limited
The utilization rate in space also provides more possibility while reducing retarder self weight for the optimization of crane structure.
The technical solution of the utility model is achieved in that
The utility model discloses a kind of crane special retarding reel, including reel, the driving electricity outside reel is set
Machine is arranged in reel and by the shaft-driven reduction gear of the input of the driving motor, the reduction gear
Including arranged side by side first bevel gear, second bevel gear, third hand tap gear and the 4th bevel gear, the first bevel gear and the
Four bevel gears are fixed on input shaft, and the second bevel gear and third hand tap gear directly engage, and and pass through first axle respectively
It holds and is mounted on the input shaft, the number of teeth of the third hand tap gear is minimum；First is symmetrically installed on the mandrel interior wall
Group connecting rod, first group of connecting rod is vertical with the input shaft, and first group of connecting rod free end equipped with respectively with it is described
The first bevel gear group of first bevel gear and second bevel gear engagement；Second group of connecting rod is connected by second bearing with reel, institute
It is vertical with the input shaft to state second group of connecting rod, and second group of connecting rod free end be equipped with respectively with third hand tap gear and the
Four bevel gears engagement second bevel gear group, described first and two bevel gear set be there are two bevel gear set at.
In order to guarantee the stable drive of reduction gear, described first and second, the number of teeth of four bevel gears it is identical, described
The number of teeth of third hand tap gear is less than the number of teeth of first bevel gear；Preferably, the rotation side of the first bevel gear and the 4th bevel gear
To opposite.
Ways of deceleration when cargo hoisting is carried out using the crane special retarding reel of the utility model are as follows:
(1) start driving motor, provide driving force for input shaft, the revolving speed of input shaft is the revolving speed of driving motor, note
For v1；
(2) rotation of input shaft drives the rotation of first bevel gear and the 4th bevel gear, due to the set of the first, fourth bevel gear
Gu therefore, it is v that the revolving speed of the first, fourth bevel gear and the revolving speed of input shaft are identical on input shaft1；Due to second and third cone
Gear is mounted on input shaft by first bearing, and the rotation of input shaft will not have an impact second and third bevel gear；
(3) the 4th bevel gears drive the rotation of second bevel gear group, and second bevel gear group and third hand tap gear directly engage, by
It is connect by second bearing with reel in second bevel gear group, therefore, the rotation of second bevel gear group will drive third hand tap gear
Rotation；
It (4) is v since the number of teeth of described first and second, four bevel gears is identical1, the number of teeth of the third hand tap gear is less than
The number of teeth of first bevel gear, at this point, the revolving speed v of third hand tap gear2Greater than the revolving speed v of other bevel gears1, and first bevel gear and
The rotation direction of 4th bevel gear is opposite；
(5) since second and third bevel gear is mounted on input shaft, third hand tap gear will drive second bevel gear with
Same revolving speed is rotated, and the revolving speed of second bevel gear is v2；
(6) due to the revolving speed v of second bevel gear2Greater than the revolving speed v of first bevel gear1, and the lucky phase of revolving speed of two bevel gears
Instead, therefore, according to the Computing Principle of gear differential, first bevel gear group will drive reel with revolving speed as (v2- v1) speed, edge
The rotation direction of second bevel gear rotates, to realize the underdrive of reel.
Compared with prior art, the utility model has the following beneficial effects:
(1) mountable in hoist roller since bevel gear is compact-sized, the inside in reel can be made full use of empty
Between, it not only saves and sees crane space and cost, but also alleviate the burden of crane structure, improve the carrying energy of crane
Power；
(2) cooperated using the transmission between gear, can be realized certain speed regulation and realize that speed turns to, finally utilize gear
Between speed ratio complete to the decelerating effect of input electric motor shaft, and slowing effect highly significant；
(3) reduction gear band movable reel rotates, and reel is direct-connected with the output shaft of reduction gear, therefore, reel
The revolving speed of output is identical with the output revolving speed of reduction gear.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model embodiment.
In figure: 1, reel；2, driving motor；3, first bevel gear；4, second bevel gear；5, third hand tap gear；6, the 4th
Bevel gear；7, first bevel gear group；8, second bevel gear group；9, first group of connecting rod；10, second group of connecting rod；11, first bearing；
12, second bearing；21, input shaft.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Crane special retarding reel as shown in Figure 1, including reel 1, the driving motor 2 being arranged in outside reel 1 are arranged
The reduction gear driven in reel 1 and through the input shaft 21 of the driving motor 2, the reduction gear include
First bevel gear 3, second bevel gear 4, third hand tap gear 5 and the 4th bevel gear 6 arranged side by side, 3 He of first bevel gear
4th bevel gear 6 is fixed on input shaft 21, and the second bevel gear 4 and third hand tap gear 5 engage, and and passes through first respectively
Bearing 11 is mounted on the input shaft 21；Symmetrically it is installed with first group of connecting rod 9 on 1 inner wall of reel, described first group
Connecting rod 9 is vertical with the input shaft 21, and first group of connecting rod, 9 free end be equipped with respectively with the first bevel gear 3 and
The first bevel gear group 7 that second bevel gear 2 engages；Second group of connecting rod 10 is connected by second bearing 12 with reel 1, and described second
Group connecting rod 10 it is vertical with the input shaft 21, and second group of connecting rod, 10 free end equipped with respectively with third hand tap gear 5 and
4th bevel gear 6 engagement second bevel gear group 8, described first and two bevel gear set 7 and 8 be there are two bevel gear set at
, so that virtual line and input shaft 21 between first group of connecting rod 9 is formed " ten " type, makes virtually connecting between second group of connecting rod 10
Line and input shaft 21 also form " ten " type.
Wherein；In order to guarantee the stable drive of reduction gear, the first bevel gear 3, second bevel gear the 4, the 4th
The number of teeth of bevel gear 6 is identical, and the number of teeth of the third hand tap gear 5 is less than the number of teeth of first bevel gear 3；And the first bevel gear
3 is opposite with the rotation direction of the 4th bevel gear 6.
Ways of deceleration when cargo hoisting is carried out using above-mentioned crane special retarding reel are as follows:
(1) start driving motor 2, provide driving force for input shaft 21, the revolving speed of input shaft 21 is turning for driving motor 2
Speed is denoted as v1；
(2) rotation of input shaft 21 drives the rotation of first bevel gear 3 and the 4th bevel gear 6, due to the first, fourth bevel gear
Be fixed on input shaft 21, therefore, it is v that the revolving speed of the first, fourth bevel gear is identical as the revolving speed of input shaft 211；Due to
Two, third hand tap gear is mounted on input shaft 21 by first bearing 11, and the rotation of input shaft 21 will not produce second and third bevel gear
It is raw to influence；
(3) the 4th bevel gears 6 drive second bevel gear group 8 to rotate, and second bevel gear group 8 and third hand tap gear 5 are directly nibbled
It closes, is connect with reel 1 by second bearing 12 due to 4 groups of second bevel gear, the rotation of second bevel gear group 8 will drive
Third hand tap gear 5 rotates；
It (4) is v since the first bevel gear 3, second bevel gear 4, the number of teeth of the 4th bevel gear 6 are identical1, described
The number of teeth of third hand tap gear 5 is slightly less than the number of teeth of first bevel gear 3, at this point, the revolving speed v of third hand tap gear 52Tooth is bored greater than other
The revolving speed v of wheel1, and first bevel gear 3 and the rotation direction of the 4th bevel gear 6 are opposite；
(5) since second and third bevel gear is mounted on input shaft, third hand tap gear 5 will drive second bevel gear 4
It is rotated with same revolving speed, the revolving speed of second bevel gear 4 is v2；
(6) due to the revolving speed v of second bevel gear 42Greater than the revolving speed v of first bevel gear 31, and the revolving speed of two bevel gears is lucky
On the contrary, therefore, according to the Computing Principle of gear differential, first bevel gear group 7 will drive reel 1 with revolving speed as (v2- v1) speed
Degree, the rotation direction along second bevel gear 4 rotates, to realize the underdrive of reel 1.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (3)
1. a kind of crane special retarding reel, including reel, the driving motor being arranged in outside reel are arranged in reel and lead to
Cross the shaft-driven reduction gear of input of the driving motor, it is characterised in that: the reduction gear includes side by side
First bevel gear, second bevel gear, third hand tap gear and the 4th bevel gear of setting, the first bevel gear and the 4th bevel gear
It is fixed on input shaft, the second bevel gear and third hand tap gear engagement, and and described in being mounted on respectively by first bearing
On input shaft, the number of teeth of the third hand tap gear is minimum；Symmetrically it is installed with first group of connecting rod on the mandrel interior wall, described
One group of connecting rod is vertical with the input shaft, and first group of connecting rod free end be equipped with respectively with the first bevel gear and the
The first bevel gear group of two bevel gears engagement；Second group of connecting rod is connected by second bearing with reel, second group of connecting rod with
The input shaft is vertical, and is equipped in second group of connecting rod free end and respectively engages with third hand tap gear and the 4th bevel gear
Second bevel gear group, described first and two bevel gear set be there are two bevel gear set at.
2. crane special retarding reel as described in claim 1, it is characterised in that: described first and second, the numbers of teeth of four bevel gears
Identical, the number of teeth of the third hand tap gear is less than the number of teeth of first bevel gear.
3. crane special retarding reel as described in claim 1, it is characterised in that: the first bevel gear and the 4th bevel gear
Rotation direction it is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820832567.9U CN208279239U (en) | 2018-05-31 | 2018-05-31 | A kind of crane special retarding reel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820832567.9U CN208279239U (en) | 2018-05-31 | 2018-05-31 | A kind of crane special retarding reel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208279239U true CN208279239U (en) | 2018-12-25 |
Family
ID=64706430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820832567.9U Active CN208279239U (en) | 2018-05-31 | 2018-05-31 | A kind of crane special retarding reel |
Country Status (1)
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|---|---|
| CN (1) | CN208279239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108483298A (en) * | 2018-05-31 | 2018-09-04 | 太原科技大学 | Crane special retarding reel |
-
2018
- 2018-05-31 CN CN201820832567.9U patent/CN208279239U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108483298A (en) * | 2018-05-31 | 2018-09-04 | 太原科技大学 | Crane special retarding reel |
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