CN204437188U - A kind of elevator worm and gear speed-reduction apparatus - Google Patents
A kind of elevator worm and gear speed-reduction apparatus Download PDFInfo
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- CN204437188U CN204437188U CN201420737020.2U CN201420737020U CN204437188U CN 204437188 U CN204437188 U CN 204437188U CN 201420737020 U CN201420737020 U CN 201420737020U CN 204437188 U CN204437188 U CN 204437188U
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Abstract
A kind of elevator worm and gear speed-reduction apparatus, comprise worm gear, worm screw, pedestal, pedestal comprises turbine body and worm screw housing, turbine is arranged in the turbine shroud of pedestal, turbine comprises external toothing and inner ring, worm axis and worm gear axis are spatially mutually vertical, the external toothing of worm gear is connected with worm meshing, inner ring is connected with output shaft by the 3rd bearing, worm screw one end is fixed in movable axle bearing by clutch shaft bearing, movable axle bearing is fixed on the worm screw housing of pedestal by detachable, and the other end of worm screw is fixed in input shaft.When due to wearing and tearing worm screw and turbine back lash larger time, movable axle bearing by adjusting bolt and packing ring is moved to the left, thus reaches the requirement of whole drive unit worm screw and turbine back lash.Make transmission smooth running, adjustment back lash convenience, transmission accuracy is adjusted in certain scope.
Description
Technical field
The application relates to elevator technology field, relates in particular to a kind of elevator worm and gear speed-reduction apparatus.
Background technique
In short supply along with rare earth resources, domestic current deceleration of elevator device shifts to mechanical structure.Speed reducer speed reducer is a kind of power transmission mechanism, utilizes the velocity transducer of gear, and the winding number of motor is decelerated to desired winding number, and obtains the mechanism of larger torque.Current in the mechanism of transferring power and motion, the application area of speed reducer is quite extensive.Its trace almost can be seen in the transmission system of various machinery, from boats and ships, automobile, the locomotive of the traffic tool, heavy machinery for building, the machining machine and tool that mechanical industry is used and automated production equipment, household electrical appliances common in daily life, clock and watch etc. its application is from the transmission work of large power, to Smaller load, accurate angle transmission can see the application of speed reducer, and in commercial Application, speed reducer has deceleration and increases torque functions.Therefore the conversion equipment of speed and moment of torsion is widely used in.
Raising elevator comfort level required along with people and the technological progress of elevator manufacturer, elevator worm and gear speed-reduction apparatus is more and more subject to parent and looks at, Worm Wheel System because of its compact structure, velocity ratio is large, bearing capacity is large, low noise advantages, can meet the demand of market fast development.The main feature of worm-gear speed reducer has reverse self-locking function, can have larger reduction speed ratio, input shaft and output shaft not on the same axis, also not at grade.
Such as application number 201220121977.5, application name is called the deceleration of elevator device of worm gear structure, this application discloses the deceleration of elevator device that the utility model discloses a kind of worm gear structure, belong to retarder driving component technical field, comprise the worm and worm wheel be arranged in housing, and intersect vertically between worm and worm wheel and engage, one end of worm screw is installed with input shaft, input shaft is fixed on housing by steel-angle bearing one, the other end of worm screw is fixed on housing by steel-angle bearing two, output shaft one end of worm gear is fixed on housing by tapered roller bearing one, the output shaft the other end of worm gear is fixed on housing by tapered roller bearing two.The deceleration of elevator device of the utility model worm gear structure, achieves large velocity ratio, and structure is simple, cost is low, it is little to vibrate, and can meet the demand of current domestic elevator industry development preferably.
But the back lash direct relation between worm and gear the precision of rotation angle, and gap more big error is larger, easily safe failure occurs, and turbine and worm also easily weares and teares.The requirement in gap is more and more stricter, usually zero clearance transmission is required, this is because drive gap divided ring servo-control system directly has influence on startup and Reverse Turning Control precision, or it is undesirable that this key issue does not solve, all can not be appropriate handle the operating steadily of elevator drive speed reducer well, the problem such as precision is high, the life-span is long.
Summary of the invention
The technical problem that the application will solve is for above-mentioned the deficiencies in the prior art, and provides a kind of elevator worm and gear speed-reduction apparatus, and preparation process simply, easily realizes this device,
For solving the problems of the technologies described above, the technological scheme that the application adopts is:
A kind of elevator worm and gear speed-reduction apparatus, comprise worm gear, worm screw, pedestal, described pedestal comprises turbine body and worm screw housing, and turbine is arranged in turbine shroud, and worm screw is arranged in worm screw housing, and worm axis and worm gear axis are spatially mutually vertical; Turbine comprises external toothing and inner ring, external toothing and worm meshing, and inner ring is connected on output shaft by the 3rd bearing; Worm screw one end is fixed in movable axle bearing by clutch shaft bearing, and movable axle bearing is detachable to be fixed on worm screw housing, and the other end of worm screw is fixed in input shaft.
Described worm screw is fixed in input shaft by key, and input shaft is fixed on fixed bearing block by the second bearing, and fixed bearing block is secured by bolts on pedestal.
Be provided with packing ring between described movable axle bearing and pedestal, movable axle bearing arranged outside has end casing, and end casing, movable axle bearing, packing ring are fixed on pedestal by adjustable bolt.
Described turbine and the 3rd bearing and output shaft concentric.
First, second bearing described is secured by bolts on pedestal.
After the application adopts technique scheme, there is following technique effect:
1, the application is Worm Wheel System, achieves large velocity ratio, and structure is simple, cost is low, it is little to vibrate, and can meet the demand of current domestic elevator industry development preferably.
2, the application uses the worm and wheel deceleration of elevator drive unit of adjustable back lash, reaches usage requirement, extends worm gear device working life.Make transmission smooth running, adjustment back lash convenience, transmission accuracy is adjusted in certain scope.
3, the application's design science, rationally, original, practical effect is excellent, structure is simple, easy to adjust, reliable and stable.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 shows a kind of elevator worm and gear speed-reduction apparatus of the application schematic diagram;
Wherein: 1. worm gear; 2. worm screw; 3. input shaft; 4. output shaft; 6. pedestal; 7. end casing; 8. key; 9. adjustable bolt; 10. packing ring.
Embodiment
For making the object of the application and technological scheme clearly, be clearly and completely described below in conjunction with the technological scheme of the embodiment of the present application to the application.Obviously, described embodiment is a part of embodiment of the application, instead of whole embodiments.Based on the embodiment of described the application, the every other embodiment that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, belongs to the scope of the application's protection.
As shown in Figure 1, a kind of elevator worm and gear speed-reduction apparatus, comprise worm gear 1, worm screw 2, pedestal 6, described pedestal 6 comprises turbine body and worm screw housing, turbine 1 is arranged in the turbine shroud of pedestal 6, turbine 1 comprises external toothing and inner ring, worm screw 2 axis and worm gear 1 axis are spatially mutually vertical, external toothing and the worm screw 2 of worm gear 1 are connected with a joggle, inner ring is connected with output shaft 4 by the 3rd bearing, worm screw 2 one end is fixed in movable axle bearing by clutch shaft bearing, movable axle bearing is fixed on the worm screw housing of pedestal 6 by detachable, the other end of worm screw 2 is fixed in input shaft 3.
One end of worm screw 2 described in the application is fixed on by key 8 in the axle sleeve of input shaft 3, and input shaft 3 is fixed on fixed bearing block by the second bearing, and fixed bearing block is secured by bolts on pedestal 6.
Be provided with packing ring 10 between movable axle bearing and pedestal 6 described in the application, movable axle bearing is outside equipped with end casing 7, and end casing 7, movable axle bearing, packing ring 10 are fixed on pedestal 6 by adjustable bolt 9.
Turbine 1 described in the application and its inner ring the 3rd bearing and output shaft 4 concentric.
Described in the application, first, second bearing is secured by bolts on pedestal 6.
When owing to making back lash larger owing to wearing and tearing between worm screw 2 and turbine 1, movable axle bearing is moved to the left by adjustment bolt 9 and packing ring 10, the tooth that is not worn that the tooth that makes worm screw 2 is worn and torn is adjacent is meshed with the tooth of turbine 1, thus reaches the requirement of whole drive unit worm screw 2 and turbine 1 back lash.Make transmission smooth running, adjustment back lash convenience, transmission accuracy is adjusted in certain scope.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the application.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
The implication of the "and/or" described in the application refers to respective individualism or both simultaneous situations include interior.
With the above-mentioned desirable embodiment according to the application for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this application technological thought, can carry out various change and amendment completely.The technical scope of this application is not limited to the content on specification, must determine its technical scope according to right.
Claims (5)
1. an elevator worm and gear speed-reduction apparatus, it is characterized in that: comprise worm gear (1), worm screw (2), pedestal (6), described pedestal (6) comprises turbine body and worm screw housing, turbine (1) is arranged in turbine shroud, worm screw (2) is arranged in worm screw housing, and worm screw (2) axis and worm gear (1) axis are spatially mutually vertical; Turbine (1) comprises external toothing and inner ring, and external toothing engages with worm screw (2), and inner ring is connected on output shaft (4) by the 3rd bearing; Worm screw (2) one end is fixed in movable axle bearing by clutch shaft bearing, and movable axle bearing is detachable to be fixed on worm screw housing, and the other end of worm screw (2) is fixed in input shaft (3).
2. elevator worm and gear speed-reduction apparatus according to claim 1, it is characterized in that, described worm screw (2) is fixed in input shaft (3) by key (8), and input shaft (3) is fixed on fixed bearing block by the second bearing, and fixed bearing block is secured by bolts on pedestal (6).
3. elevator worm and gear speed-reduction apparatus according to claim 1, it is characterized in that, packing ring (10) is provided with between described movable axle bearing and pedestal (6), movable axle bearing arranged outside has end casing (7), and end casing (7), movable axle bearing, packing ring (10) are fixed on pedestal (6) by adjustable bolt (9).
4. elevator worm and gear speed-reduction apparatus according to claim 1, is characterized in that, described turbine (1) and the 3rd bearing and output shaft (4) concentric.
5. elevator worm and gear speed-reduction apparatus according to claim 1, is characterized in that, first, second bearing described is secured by bolts on pedestal (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420737020.2U CN204437188U (en) | 2014-12-01 | 2014-12-01 | A kind of elevator worm and gear speed-reduction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420737020.2U CN204437188U (en) | 2014-12-01 | 2014-12-01 | A kind of elevator worm and gear speed-reduction apparatus |
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| Publication Number | Publication Date |
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| CN204437188U true CN204437188U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420737020.2U Active CN204437188U (en) | 2014-12-01 | 2014-12-01 | A kind of elevator worm and gear speed-reduction apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697659A (en) * | 2016-04-22 | 2016-06-22 | 侯马经济开发区日祥科技有限公司 | Speed reducer |
| CN108591432A (en) * | 2018-07-03 | 2018-09-28 | 江阴尚驰机械设备有限公司 | A kind of novel rotary type reducer shaft shell structure |
| CN110139999B (en) * | 2016-12-29 | 2022-06-03 | 成都中良川工科技有限公司 | Transmission speed reducer |
-
2014
- 2014-12-01 CN CN201420737020.2U patent/CN204437188U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697659A (en) * | 2016-04-22 | 2016-06-22 | 侯马经济开发区日祥科技有限公司 | Speed reducer |
| CN110139999B (en) * | 2016-12-29 | 2022-06-03 | 成都中良川工科技有限公司 | Transmission speed reducer |
| CN108591432A (en) * | 2018-07-03 | 2018-09-28 | 江阴尚驰机械设备有限公司 | A kind of novel rotary type reducer shaft shell structure |
| CN108591432B (en) * | 2018-07-03 | 2021-03-02 | 江阴尚驰机械设备有限公司 | Novel rotary speed reducer shaft housing structure |
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