CN210123007U - Main driving speed reducer of special elevator for lifting of building tower crane operator - Google Patents
Main driving speed reducer of special elevator for lifting of building tower crane operator Download PDFInfo
- Publication number
- CN210123007U CN210123007U CN201920740321.3U CN201920740321U CN210123007U CN 210123007 U CN210123007 U CN 210123007U CN 201920740321 U CN201920740321 U CN 201920740321U CN 210123007 U CN210123007 U CN 210123007U
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- gear
- box body
- worm
- output shaft
- tower crane
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- Cage And Drive Apparatuses For Elevators (AREA)
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Abstract
The utility model relates to a speed reducer especially relates to a main drive speed reducer of building tower crane operator's special ladder that goes up and down. The power transmission box comprises a box body, the box in be equipped with output shaft, gear shaft and worm, the one end of output shaft extend to the box is external, the head cover of output shaft have the straight-teeth gear, the output shaft in the cover have output gear, the upper end of gear shaft be equipped with output gear mesh driven meshing gear mutually, the lower pot head of gear shaft have with worm mesh driven worm wheel mutually, the one end of worm extend to the box is external. The main drive speed reducer of the special elevator for lifting of the building tower crane operator has a compact structure, improves the use performance and improves the use precision.
Description
Technical Field
The utility model relates to a speed reducer especially relates to a main drive speed reducer of building tower crane operator's special ladder that goes up and down.
Background
When the speed reducer in the prior art is used in a special field, the adaptability and the use performance of the speed reducer cannot be fully exerted, meanwhile, the assembly precision is relatively low, the existing requirements cannot be met, and the effect in use is relatively insufficient.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve exist not enough among the prior art, provide a compact structure, the adaptation performance is outstanding moreover, can obtain the main drive speed reducer of the special ladder of building tower crane operator lift of best performance simultaneously.
The above technical problem of the present invention can be solved by the following technical solutions:
a main drive speed reducer of a special elevator for lifting of an operator of a building tower crane comprises a box body, wherein an output shaft, a gear shaft and a worm are arranged in the box body, one end of the output shaft extends outwards from the box body, a straight gear is sleeved at the head of the output shaft, an output gear is sleeved in the output shaft, an engaging gear which is meshed with the output gear for transmission is arranged at the upper end of the gear shaft, a worm wheel which is meshed with the worm for transmission is sleeved at the lower end of the gear shaft, and one end of the worm extends outwards from the box body;
the output shaft and the gear shaft are distributed in the same direction, and the gear shaft and the worm are vertically distributed at intervals.
Preferably, the bearings are respectively positioned between two ends of the output shaft and the box body, between two ends of the gear shaft and the box body, and between two ends of the worm and the box body; and spacing sleeves are respectively arranged between the upper end of the output gear and the bearing and between the bottom end of the worm gear and the bearing.
Preferably, the output shaft and the box body are sealed through an oil seal, the straight gear is locked through a round nut, and a gasket is arranged between the round nut and the straight gear.
Preferably, an embedded through cover is arranged in the box body, and the outer end of the worm is positioned with the box body through the through cover.
Preferably, the lower end of the box body is provided with a copper oil mirror and a vent cap, and the lower end of the box body is provided with an oil drainage bolt.
Before the improvement: the operator of the building tower crane gets on or off the cab and almost climbs the ground to get on or off duty by the operator, which takes time and has potential safety hazard;
after the improvement: the special lifting auxiliary elevator for the operator who can be taken by one person is arranged at the side of the standard knot of the building tower crane, so that the labor is saved, the convenience is realized, and the safety is realized.
Therefore, the utility model discloses a main drive speed reducer of building tower crane operator's special ladder that goes up and down, compact structure promotes performance, improves the use accuracy.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic sectional structure diagram of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example 1: as shown in the figure, the main drive speed reducer of the special elevator for the lifting of the operator of the building tower crane comprises a box body 1, wherein an output shaft 2, a gear shaft 3 and a worm 4 are arranged in the box body 1, one end of the output shaft 2 extends out of the box body 1, a straight gear 5 is sleeved at the head part of the output shaft 2, an output gear 6 is sleeved in the output shaft 2, an engaging gear 7 which is in meshing transmission with the output gear 6 is arranged at the upper end of the gear shaft 3, a worm wheel 8 which is in meshing transmission with the worm 4 is sleeved at the lower end of the gear shaft 3, and one end of the worm 4 extends out of the box body 1;
the output shaft 2 and the gear shaft 3 are distributed in the same direction, and the gear shaft 3 and the worm 4 are vertically distributed at intervals.
The two ends of the output shaft 2 are positioned between the box body 1, the two ends of the gear shaft 3 are positioned between the box body 1, and the two ends of the worm 4 are positioned between the box body 1 through bearings 9 respectively; and spacing sleeves 10 are respectively arranged between the upper end of the output gear 6 and the bearing 9 and between the bottom end of the worm wheel 8 and the bearing 9.
The output shaft 2 and the box body 1 are sealed through an oil seal 11, the straight gear 5 is locked through a round nut 12, and a gasket 13 is arranged between the round nut 12 and the straight gear 5.
An embedded through cover 14 is arranged in the box body 1, and the outer end of the worm 4 is positioned with the box body 1 through the through cover 14.
The lower end of the box body 1 is provided with a copper oil mirror 15 and a vent cap 16, and the lower end of the box body 1 is provided with an oil drainage bolt 17.
Claims (5)
1. The utility model provides a main drive speed reducer of special ladder of building tower crane operator lift which characterized in that: the gear box comprises a box body (1), wherein an output shaft (2), a gear shaft (3) and a worm (4) are arranged in the box body (1), one end of the output shaft (2) extends out of the box body (1), a straight gear (5) is sleeved at the head of the output shaft (2), an output gear (6) is sleeved in the output shaft (2), a meshing gear (7) which is meshed with the output gear (6) for transmission is arranged at the upper end of the gear shaft (3), a worm wheel (8) which is meshed with the worm (4) for transmission is sleeved at the lower end of the gear shaft (3), and one end of the worm (4) extends out of the box body (1);
the output shaft (2) and the gear shaft (3) are distributed in the same direction, and the gear shaft (3) and the worm (4) are vertically distributed at intervals.
2. The main drive reducer of a special elevator for the operator of a building tower crane according to claim 1, characterized in that: the two ends of the output shaft (2) are positioned between the box body (1), the two ends of the gear shaft (3) are positioned between the box body (1), and the two ends of the worm (4) are positioned between the box body (1) through bearings (9); and spacing sleeves (10) are respectively arranged between the upper end of the output gear (6) and the bearing (9) and between the bottom end of the worm wheel (8) and the bearing (9).
3. The main drive reducer of the special elevator for the operator of the building tower crane to ascend and descend according to claim 1 or 2, which is characterized in that: the output shaft (2) and the box body (1) are sealed through an oil seal (11), the straight gear (5) is locked through a round nut (12), and a gasket (13) is arranged between the round nut (12) and the straight gear (5).
4. The main drive reducer of the special elevator for the operator of the building tower crane to ascend and descend according to claim 1 or 2, which is characterized in that: the box body (1) is internally provided with an embedded through cover (14), and the outer end of the worm (4) is positioned with the box body (1) through the through cover (14).
5. The main drive reducer of the special elevator for the operator of the building tower crane to ascend and descend according to claim 1 or 2, which is characterized in that: the lower extreme of box (1) be equipped with copper oil mirror (15) and vent cap (16), the lower extreme of box (1) be equipped with oil drain bolt (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920740321.3U CN210123007U (en) | 2019-05-22 | 2019-05-22 | Main driving speed reducer of special elevator for lifting of building tower crane operator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920740321.3U CN210123007U (en) | 2019-05-22 | 2019-05-22 | Main driving speed reducer of special elevator for lifting of building tower crane operator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210123007U true CN210123007U (en) | 2020-03-03 |
Family
ID=69633380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920740321.3U Active CN210123007U (en) | 2019-05-22 | 2019-05-22 | Main driving speed reducer of special elevator for lifting of building tower crane operator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210123007U (en) |
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2019
- 2019-05-22 CN CN201920740321.3U patent/CN210123007U/en active Active
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