CN209743541U - L-shaped tower type speed reducer - Google Patents
L-shaped tower type speed reducer Download PDFInfo
- Publication number
- CN209743541U CN209743541U CN201920422932.3U CN201920422932U CN209743541U CN 209743541 U CN209743541 U CN 209743541U CN 201920422932 U CN201920422932 U CN 201920422932U CN 209743541 U CN209743541 U CN 209743541U
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- China
- Prior art keywords
- bevel gear
- pivot
- gear
- motor
- rotating shaft
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Abstract
The utility model discloses a tower reduction gear of L type, including motor, reduction gear and reel, the motor is connected with reduction gear, reel in proper order and is the L type, the helical gear two of the two tip of helical gear meshing pivot that pivot one end portion of motor was put, and the other end of pivot two has been put circular arc bevel gear one, and circular arc bevel gear one meshing circular arc bevel gear two transmissions to drive the three epaxial helical gear three transmissions of transmission, helical gear three meshing helical gear four drive reel pivot and realize whole conduction process, two parallel relations of two formation of transmission shafts and transmission shaft, two 90 degrees angle vertical relations of three formation of pivot, three parallel relations of pivot and reel pivot, the gear is crisscross overall arrangement in space, and whole layout structure is "L" style of calligraphy and arranges. The mechanism has the advantages of compact structure, small volume, convenient installation, high transmission efficiency, convenient and quick maintenance of the motor, and difficult damage of the motor in the transportation process.
Description
Technical Field
The utility model belongs to the engineering machine tool field, concretely relates to L type tower reduction gear of application among tower crane.
Background
The tower crane plays a very important role in modern building construction in China, and has higher requirements on compact structure, safety, reliability and reasonable layout of the mechanism design due to the importance and the universality of the application.
The existing tower crane is in a straight-line layout, although the structure is compact and the occupied space is small, the existing tower crane is in a straight-line layout, the motor is positioned outside a ledge and belongs to high-altitude operation, so that the maintenance and the replacement of the motor are inconvenient, and the motor is easily damaged in the transportation process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a tower luffing mechanism is provided aims at overcoming the security and the convenience problem that the motor maintained of the high altitude construction and the transportation that appear in the overall arrangement of current style of calligraphy luffing mechanism.
The L-shaped tower type speed reducer comprises a motor 1, a speed reducer 2, a winding drum 3, a winding drum fixing frame 4, a first bevel gear 5, a second bevel gear 6, a second rotating shaft 7, a first arc bevel gear 8, a second arc bevel gear 9, a third rotating shaft 10, a third bevel gear 11, a fourth bevel gear 12, a winding drum rotating shaft 13 and a first rotating shaft 14, wherein the motor is sequentially connected with the speed reducer and the winding drum to form an L shape, the first bevel gear 5 is arranged on the first rotating shaft 14 of the motor 1, the second bevel gear 6 is arranged on the second rotating shaft 7 below in a meshed mode through the first bevel gear 5, the first arc bevel gear 8 is arranged at the other end of the second rotating shaft 7, the second arc bevel gear 9 on the third rotating shaft 10 is meshed through the first arc bevel gear 8, the third bevel gear 11 is sleeved.
One end of the winding drum rotating shaft 13 penetrates through the winding drum 3, a bearing 15 is arranged at the other end of the winding drum rotating shaft, and the bearing 15 is positioned on a rack of the speed reducer 2.
Two bearings 15 are arranged in the middle of the second rotating shaft 7.
And a plurality of rings of annular grooves are arranged on the winding drum 3.
The utility model has the advantages that: the L-shaped mechanism in the L-shaped tower type speed reducer has the advantages of compact structure, small size, convenience in installation in a narrow space, high transmission efficiency, convenience and quickness in maintenance of the motor and difficulty in damage of the motor in the transportation process.
Drawings
Fig. 1 is the structural schematic diagram of the L-shaped tower reducer of the present invention.
Fig. 2 is the internal structure schematic diagram of the L-shaped tower reducer of the present invention.
Fig. 3 is a schematic view of the internal structure of the L-shaped tower-type speed reducer of the present invention.
Reference numerals: the winding drum comprises a motor 1, a speed reducer 2, a winding drum 3, a winding drum fixing frame 4, a first bevel gear 5, a second bevel gear 6, a second rotating shaft 7, a first arc bevel gear 8, a second arc bevel gear 9, a third rotating shaft 10, a third bevel gear 11, a fourth bevel gear 12, a winding drum rotating shaft 13, a first rotating shaft 14 and a bearing 15.
Detailed Description
The L-shaped tower type speed reducer comprises a motor 1, a speed reducer 2, a winding drum 3, a winding drum fixing frame 4, a first bevel gear 5, a second bevel gear 6, a second rotating shaft 7, a first arc bevel gear 8, a second arc bevel gear 9, a third rotating shaft 10, a third bevel gear 11, a fourth bevel gear 12, a winding drum rotating shaft 13 and a first rotating shaft 14, wherein the motor 1 is sequentially connected with the speed reducer 2 and the winding drum 3 to form an L shape, the first bevel gear 5 is arranged on the first rotating shaft 14 of the motor 1, the second bevel gear 6 is arranged on the second rotating shaft 7 below in a meshed mode through the first bevel gear 5, the first bevel gear 8 is arranged at the other end of the second rotating shaft 7, the second arc bevel gear 9 on the third rotating shaft 10 is meshed through the first arc bevel gear 8, the third bevel gear 11 is sleeved on a shaft body of the third rotating shaft.
The gear transmission structure can change the integral structure of the motor, the reducer and the winding drum to form an L-shaped tower type reducer, the amplitude changing mechanism has the functions of speed reduction and kinetic energy transmission with an L-shaped corner, the motor drives the first arc bevel gear to rotate, the first arc bevel gear drives the second arc bevel gear to rotate, the third bevel gear on the same shaft of the second arc bevel gear rotates, the third bevel gear drives the fourth bevel gear on the connection winding drum to rotate, the winding drum rotates when the fourth bevel gear rotates, the motor rotates, reasonable and complete meshing rotation is achieved between the gears, kinetic energy of the decelerated motor is transmitted to the winding drum, and the winding drum rotates.
Claims (4)
- The L-shaped tower type speed reducer comprises a motor (1), a speed reducer (2), a winding drum (3), a winding drum fixing frame (4), a first bevel gear (5), a second bevel gear (6), a second rotating shaft (7), a first arc bevel gear (8), a second arc bevel gear (9), a third rotating shaft (10), a third bevel gear (11), a fourth bevel gear (12), a winding drum rotating shaft (13) and a first rotating shaft (14), and is characterized in that: the motor is connected with reduction gear, reel in proper order and is the L type, sets up helical gear (5) on pivot one (14) of motor (1), helical gear (5) below sets up pivot two (7), the one end of pivot two (7) sets up helical gear two (6), helical gear one (5) and helical gear two (6) meshing, circular arc bevel gear (8) have been put to the other end of pivot two (7), and circular arc bevel gear two (9) on circular arc bevel gear (8) meshing pivot three (10), the axis body suit helical gear three (11) of pivot three (10), helical gear four (12) meshing on helical gear three (11) and reel pivot (13).
- 2. The L-shaped tower reducer according to claim 1, wherein: one end of the winding drum rotating shaft (13) penetrates through the winding drum (3), a bearing (15) is arranged at the other end of the winding drum rotating shaft, and the bearing (15) is located on a rack of the speed reducer (2).
- 3. The L-shaped tower reducer according to claim 1, wherein: two bearings (15) are arranged in the middle of the second rotating shaft (7).
- 4. The L-shaped tower reducer according to claim 1, wherein: and a plurality of rings of annular grooves are arranged on the winding drum (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920422932.3U CN209743541U (en) | 2019-04-01 | 2019-04-01 | L-shaped tower type speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920422932.3U CN209743541U (en) | 2019-04-01 | 2019-04-01 | L-shaped tower type speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209743541U true CN209743541U (en) | 2019-12-06 |
Family
ID=68719086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920422932.3U Active CN209743541U (en) | 2019-04-01 | 2019-04-01 | L-shaped tower type speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209743541U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112844774A (en) * | 2020-12-16 | 2021-05-28 | 郑州煤机长壁机械有限公司 | Compact crusher and compact forepoling mechanism |
-
2019
- 2019-04-01 CN CN201920422932.3U patent/CN209743541U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112844774A (en) * | 2020-12-16 | 2021-05-28 | 郑州煤机长壁机械有限公司 | Compact crusher and compact forepoling mechanism |
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