CN215293458U - Double-speed strong gear box for gantry - Google Patents
Double-speed strong gear box for gantry Download PDFInfo
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- CN215293458U CN215293458U CN202120921848.3U CN202120921848U CN215293458U CN 215293458 U CN215293458 U CN 215293458U CN 202120921848 U CN202120921848 U CN 202120921848U CN 215293458 U CN215293458 U CN 215293458U
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- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 208000032369 Primary transmission Diseases 0.000 claims description 14
- 208000032370 Secondary transmission Diseases 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 2
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- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of the transmission equipment technique and specifically relates to a double speed powerful gear box is used at longmen is related to, including box, power unit, drive mechanism and output mechanism, power unit is including setting up the first bearing in the box, but be provided with free rotation's powered axle in the first bearing, the powered axle both ends are equipped with low-speed motor and high-speed motor respectively, the powered axle is close to high-speed motor one side and is provided with power gear, power gear drive the drive mechanism motion, the drive mechanism drive the output mechanism motion. The utility model discloses a high-speed motor sets up in the one end that is close to power transmission, has effectively reduced the distance of torsional stress transmission to reduced the reliance to power shaft intensity, and then reduced the requirement to low-speed motor power take off, application scope is wider.
Description
Technical Field
The utility model belongs to the technical field of the transmission equipment technique and specifically relates to a double speed strong gear box is used at longmen.
Background
A two-speed gearbox is a gearbox that provides either a high speed or a low speed power output.
The high-speed and low-speed motors of the traditional gearbox are arranged on the same side of a power shaft, and the high-speed and low-speed modes need to be switched through a conversion device. In the high-speed mode, especially in high-strength machinery such as a gantry, the high-speed motor outputs large power, so that the power shaft is easy to break due to large internal torsional stress.
For this reason, some gearboxes have to use a thicker power shaft for transmission, but the lower-speed motor in the low-speed mode also needs to pay more power due to the thicker and larger power shaft, so that a vicious circle is formed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: aiming at the defects, the double-speed powerful gearbox for the gantry is provided.
The utility model discloses a concrete technical scheme as follows:
the double-speed powerful gear box for the gantry comprises a box body, a power mechanism, a transmission mechanism and an output mechanism, wherein the power mechanism comprises a first bearing arranged in the box body, a power shaft capable of freely rotating is arranged in the first bearing, a low-speed motor and a high-speed motor are respectively arranged at two ends of the power shaft, a power gear is arranged on one side, close to the high-speed motor, of the power shaft, the power gear drives the transmission mechanism to move, and the transmission mechanism drives the output mechanism to move.
Furthermore, the output end of the high-speed motor is provided with a high-speed shaft, the high-speed shaft is meshed with the end part of the power shaft through a high-speed gear and drives the power shaft to rotate in a high-speed mode, and the output end of the low-speed motor is directly fixed with the power shaft and drives the power shaft to rotate in a low-speed mode.
Further, the transmission mechanism comprises a primary transmission device and a secondary transmission device;
the primary transmission device comprises a second bearing arranged below the first bearing, a primary transmission shaft capable of freely rotating is arranged in the second bearing, and a primary driven gear meshed with the power gear and a primary driving gear for driving the secondary transmission device are arranged on the primary transmission shaft;
the second-stage transmission device comprises a third bearing arranged below the second bearing, a second-stage transmission shaft capable of freely rotating is arranged in the third bearing, and a second-stage driven gear meshed with the first-stage driving gear and a second-stage driving gear for driving the output device are arranged on the second-stage transmission shaft.
Furthermore, an anti-falling plate is further arranged on the secondary transmission shaft and arranged on one side, close to the high-speed motor, of the secondary driven gear.
Further, the output mechanism comprises a fourth bearing arranged below the third bearing, a freely rotatable output shaft is arranged in the fourth bearing, and an output gear driven by the secondary driving gear is arranged on the output shaft.
Adopt the technical scheme of the utility model compare in the advantage that traditional technical scheme had and lie in:
1. the utility model has the advantages that on one hand, the high-speed motor and the low-speed motor are respectively arranged at the two ends of the power shaft, so that the space can be effectively utilized, and the problem of low space utilization rate caused by arranging the high-speed motor and the low-speed motor at the same side of the power shaft is avoided;
2. the utility model discloses a high-speed motor sets up in the one end that is close to power transmission, has effectively reduced the distance of torsional stress transmission to reduced the reliance to power shaft intensity, and then reduced the requirement to low-speed motor power take off, application scope is wider.
Drawings
The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic cross-sectional view of the spreading structure of the present invention;
fig. 2 is a schematic structural view of the power shaft of the present invention engaging with the high-speed gear of the high-speed motor.
Wherein:
10. a box body;
20. the power mechanism 21, the first bearing 22, the power shaft 23, the low-speed motor 24, the high-speed motor 241, the high-speed shaft 242, the high-speed gear 25 and the power gear;
30. the transmission mechanism comprises a transmission mechanism 31, a primary transmission device 311, a second bearing 312, a primary transmission shaft 313, a primary driven gear 314, a primary driving gear 32, a secondary transmission device 321, a third bearing 322, a secondary transmission shaft 323, a secondary driven gear 324, a secondary driving gear 325 and an anti-dropping plate;
40. output mechanism, 41, fourth bearing, 42, output shaft, 43, output gear.
Detailed Description
In the following, the preferred embodiments of the present invention will be explained, and various changes and modifications can be made by workers without departing from the technical spirit of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
The invention will be further explained with reference to the following figures:
the double-speed powerful gear box for the gantry comprises a box body 10, a power mechanism 20, a transmission mechanism 30 and an output mechanism 40, wherein the power mechanism 20 comprises a first bearing 21 arranged in the box body 10, a power shaft 22 capable of freely rotating is arranged in the first bearing 21, a low-speed motor 23 and a high-speed motor 24 are respectively arranged at two ends of the power shaft 22, a power gear 25 is arranged on one side, close to the high-speed motor 24, of the power shaft 22, the power gear 25 drives the transmission mechanism 30 to move, and the transmission mechanism 30 drives the output mechanism 40 to move.
The output end of the high-speed motor 24 is provided with a high-speed shaft 241, the high-speed shaft 241 is meshed with the end of the power shaft 22 through a high-speed gear 242 and drives the power shaft 22 to rotate in a high-speed mode, and the output end of the low-speed motor 23 is directly fixed with the power shaft 22 and drives the power shaft 22 to rotate in a low-speed mode.
In the double-speed powerful gearbox for the gantry, the power output comprises a high-speed mode and a low-speed mode. In the high-speed mode, as shown in fig. 1, a high-speed shaft 241 extends below the high-speed motor 24 provided on the left side of the casing 10, and a high-speed gear 242 is provided at the bottom of the high-speed shaft 241. As shown in fig. 2, the high-speed gear 242 directly drives the power shaft 22 to rotate, and the high-speed motor 24 is closer to the power gear 25, so that the distance for generating the torsional force is shorter, and the generated torsional force is smaller, thereby reducing the requirement on the strength of the power shaft 22.
The low-speed motor 23 is designed on the right side of the power shaft 22, and the low-speed motor 23 has low self weight and low finally required power because the requirement on the strength of the power shaft 22 is not high, and the requirement on the low-speed motor 23 is also low.
The transmission mechanism 30 includes a primary transmission device 31 and a secondary transmission device 32;
the primary transmission device 31 comprises a second bearing 311 arranged below the first bearing 21, a primary transmission shaft 312 capable of freely rotating is arranged in the second bearing 311, and a primary driven gear 313 meshed with the power gear 25 and a primary driving gear 314 driving the secondary transmission device 32 are arranged on the primary transmission shaft 312;
the secondary transmission device 32 includes a third bearing 321 disposed below the second bearing 311, a second transmission shaft 322 capable of freely rotating is disposed in the third bearing 321, and a second driven gear 323 engaged with the first driving gear 314 and a second driving gear 324 for driving the output device are disposed on the second transmission shaft 322.
An anti-falling plate 325 is further arranged on the secondary transmission shaft 322, and the anti-falling plate 325 is arranged on one side of the secondary driven gear 323 close to the high-speed motor 24.
The output mechanism 40 includes a fourth bearing 41 disposed below the third bearing 321, an output shaft 42 capable of freely rotating is disposed in the fourth bearing 41, and an output gear 43 driven by the secondary driving gear 324 is disposed on the output shaft 42.
In the above-mentioned transmission mechanism 30, the primary transmission device 31 transmits the power output by the power shaft 22 to the secondary transmission device 32, and in actual use, more three-stage transmission devices, or even four-stage or five-stage transmission devices can be selected for achieving better boosting or speed increasing effects.
In addition, in second grade transmission 32, the utility model discloses still designed anticreep board 325, this anticreep board 325 blocks one-level driving gear 314, prevents to throw off between one-level transmission 31 and the second grade transmission 32 and leads to power to disappear.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The double-speed powerful gear box for the gantry is characterized by comprising a box body, a power mechanism, a transmission mechanism and an output mechanism, wherein the power mechanism comprises a first bearing arranged in the box body, a power shaft capable of freely rotating is arranged in the first bearing, a low-speed motor and a high-speed motor are respectively arranged at two ends of the power shaft, a power gear is arranged on one side, close to the high-speed motor, of the power shaft, the power gear drives the transmission mechanism to move, and the transmission mechanism drives the output mechanism to move.
2. A double-speed powerful gearbox for gantries as claimed in claim 1, wherein the output of the high speed motor is provided with a high speed shaft engaging with the end of the power shaft through a high speed gear and driving the power shaft to rotate in a high speed mode, and the output of the low speed motor is directly fixed with the power shaft and driving the power shaft to rotate in a low speed mode.
3. A two-speed power gearbox for gantries as claimed in claim 1, wherein the drive mechanism comprises a primary drive and a secondary drive;
the primary transmission device comprises a second bearing arranged below the first bearing, a primary transmission shaft capable of freely rotating is arranged in the second bearing, and a primary driven gear meshed with the power gear and a primary driving gear for driving the secondary transmission device are arranged on the primary transmission shaft;
the second-stage transmission device comprises a third bearing arranged below the second bearing, a second-stage transmission shaft capable of freely rotating is arranged in the third bearing, and a second-stage driven gear meshed with the first-stage driving gear and a second-stage driving gear for driving the output device are arranged on the second-stage transmission shaft.
4. A double-speed powerful gearbox for gantries as claimed in claim 3, wherein an anti-disengaging plate is further provided on the secondary drive shaft, the anti-disengaging plate being provided on a side of the secondary driven gear adjacent to the high speed motor.
5. A two-speed power gearbox for gantries as claimed in claim 3, wherein the output mechanism comprises a fourth bearing disposed below the third bearing, the fourth bearing having a freely rotatable output shaft disposed therein, the output shaft having an output gear driven by the secondary drive gear.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120921848.3U CN215293458U (en) | 2021-04-30 | 2021-04-30 | Double-speed strong gear box for gantry |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120921848.3U CN215293458U (en) | 2021-04-30 | 2021-04-30 | Double-speed strong gear box for gantry |
Publications (1)
Publication Number | Publication Date |
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CN215293458U true CN215293458U (en) | 2021-12-24 |
Family
ID=79538849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120921848.3U Active CN215293458U (en) | 2021-04-30 | 2021-04-30 | Double-speed strong gear box for gantry |
Country Status (1)
Country | Link |
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CN (1) | CN215293458U (en) |
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2021
- 2021-04-30 CN CN202120921848.3U patent/CN215293458U/en active Active
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Double speed powerful gearbox for gantry use Granted publication date: 20211224 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd. Pledgor: CHANGZHOU CHANGLONG MACHINE TOOL MANUFACTURING Co.,Ltd. Registration number: Y2024980014792 |