CN212928669U - Planetary hoisting gear box for tower crane - Google Patents
Planetary hoisting gear box for tower crane Download PDFInfo
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- CN212928669U CN212928669U CN202021097802.6U CN202021097802U CN212928669U CN 212928669 U CN212928669 U CN 212928669U CN 202021097802 U CN202021097802 U CN 202021097802U CN 212928669 U CN212928669 U CN 212928669U
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Abstract
The utility model discloses a planetary hoisting gear box for a tower crane, which comprises a box cover, a primary inner gear ring, a middle connecting flange, an output-stage inner gear ring, an output flange, a primary sun gear shaft and a concentric input transition shaft, wherein the box cover, the primary inner gear ring, the middle connecting flange, the output-stage inner gear ring and the output flange are sequentially connected with the outside; the double-fold-line winding drum is characterized in that a primary planet wheel and an output-stage sun wheel are sequentially mounted from a primary sun wheel shaft to the left to the right, the output-stage sun wheel is connected with an output-stage planet wheel, the primary planet wheel carrier is fixed with the output-stage sun wheel, one end of a double-fold-line winding drum is connected with one end of a winding drum support through a flange shaft, the other end of the double-fold-line winding drum is connected with an output flange, and the other end of the winding drum support is connected with the output-. The utility model has the advantages that the box body, the double-fold line reel and the reel bracket are modularized, the volume is small, the weight is light, the motor is directly connected with the planetary hoisting gear box, and the performance is good; the output-stage planet carrier adopts a fluororubber radial skeleton oil seal, so that the sealing reliability is high; compact structure and strong adaptability.
Description
Technical Field
The utility model relates to a transmission technical field, concretely relates to planet hoist gear box for tower machine.
Background
The tower crane is a crane which is the most common crane on a construction site, is also called a tower crane, and is indispensable equipment on the construction site. From the development of the tower crane industry, the industry is highly related to national economy, buildings/real estate. Therefore, the development of the tower crane industry has certain scientific significance from the national economic trend and the development trend of the real estate industry.
The existing external hoisting scheme occupies large space and is heavy in volume.
Disclosure of Invention
In order to solve the problem, the utility model aims at providing a tower machine is with planet hoist gear case, box, two broken line reel and reel support modularization, small, light in weight, motor and planet hoist gear case antithetical couplet, functional, compact structure, the practicality is strong.
For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
a planetary hoisting gear box for a tower crane comprises a reel bracket, a double-fold-line reel arranged on the reel bracket and a box body; the box body comprises a box cover, a primary inner gear ring, an intermediate connecting flange, an output-stage inner gear ring, an output flange, a primary sun gear shaft and a concentric input transition shaft which are connected with each other at the outer part in sequence; the end part of the primary sun wheel shaft is positioned in the box cover, the primary planet wheel and the output stage sun wheel which are arranged on a primary planet carrier through a primary planet wheel mandrel are sequentially arranged from left to right on the primary sun wheel shaft, the output stage sun wheel is connected with an output stage planet wheel which is arranged on an output stage planet carrier through an output stage planet wheel mandrel, the primary planet carrier is fixed with the output stage sun wheel, the primary inner gear ring is arranged on the outer side of the primary planet carrier, the output stage inner gear ring is arranged on the outer side of the output stage planet carrier, an input flange seat is arranged at the outer end of the concentric input transition shaft and is fixedly connected with the output stage planet carrier, one end of the double-fold line winding drum is connected with one end of the winding drum support through a flange shaft, and the other end of the double-fold, the other end of the winding drum support is connected with the output-stage planet carrier and a direct connection flange arranged at the outer end of the input flange seat, and the output flange is connected with the output-stage planet carrier.
The double-fold-line winding drum further comprises a travel switch connecting shaft, wherein the travel switch connecting shaft is fixed at the end part of the double-fold-line winding drum and connected with the flange shaft.
Furthermore, the input flange seat with be provided with first bearing between the concentric input transition shaft, elementary planet wheel dabber with be provided with the second bearing between the elementary planet wheel, output level planet wheel dabber with be provided with the third bearing between the output level planet wheel, intermediate junction flange with it is fixed through the fourth bearing between the output level planet carrier, the output flange with be provided with the fifth bearing between the output level planet carrier, the flange axle with be provided with the sixth bearing between the double-fold line reel.
Further, the primary sun gear shaft and the concentric input transition shaft are connected in a spline fit mode.
Furthermore, the double-fold line winding drum is designed to be a double-fold line rope groove, and filling wedge blocks and rope climbing wedge blocks are arranged on two sides of the rope groove.
Furthermore, the end part of the travel switch connecting shaft is provided with a tail end cover, and the tail end cover is fixed with the double-fold line winding drum.
Furthermore, a seventh bearing is mounted on the output stage planet carrier and is fixed with the primary sun gear shaft through the seventh bearing.
Furthermore, an eighth bearing is mounted on the box cover and fixed to the end of the primary sun gear shaft through the eighth bearing.
Furthermore, the output-stage planet carrier adopts a fluororubber radial skeleton oil seal.
Furthermore, the concentric input transition shaft adopts a fluororubber radial framework oil seal.
The utility model has the advantages that:
the utility model has the advantages of modular and integrated box body, double-fold line reel and reel bracket, small volume, light weight, direct connection of the motor and the planetary hoisting gear box, and good performance; all gears are subjected to carburizing and quenching treatment by adopting high-quality alloy steel, and gear grinding is carried out; the output-stage planet carrier adopts a fluororubber radial skeleton oil seal, so that the sealing reliability is high; high modular design; in addition, the device also has the characteristics of compact structure, strong adaptability and the like.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a three-dimensional structure diagram of the present invention.
The reference numbers in the figures illustrate:
1. the double-fold winding drum comprises a winding drum support, 2, a flange shaft, 3, a travel switch connecting shaft, 4, a sixth bearing, 5, a double-fold winding drum, 6, a box cover, 7, a primary inner gear ring, 8, an intermediate connecting flange, 10, an output-stage inner gear ring, 12, an output flange, 13, a fifth bearing, 16, a direct connection flange, 18, a first bearing, 20, an input flange seat, 21, a concentric input transition shaft, 25, an output-stage planet carrier, 26, a primary sun gear shaft, 27, a seventh bearing, 28, an output-stage planet gear, 30, a third bearing, 31, an output-stage planet gear mandrel, 32, a fourth bearing, 36, an output-stage sun gear, 37, a primary planet carrier, 39, a primary planet gear, 41, a second bearing, 42, a primary planet gear mandrel, 43, an eighth bearing, 44 and an end cover.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1-2, a planetary hoisting gear box for a tower crane comprises a winding drum support 1, a double-fold winding drum 5 arranged on the winding drum support 1 and a box body; the box body comprises a box cover 6, a primary inner gear ring 7, an intermediate connecting flange 8, an output-stage inner gear ring 10, an output flange 12, a primary sun gear shaft 26 and a concentric input transition shaft 21 which are connected with each other inside; the end part of the primary sun wheel shaft 26 is positioned in the box cover 6, the primary planet wheel 39 and the output stage sun wheel 36 which are arranged on a primary planet carrier 37 through a primary planet wheel spindle 42 are sequentially arranged on the primary sun wheel shaft 26 from left to right, the output stage sun wheel 36 is connected with the output stage planet wheel 28 which is arranged on an output stage planet carrier 25 through an output stage planet wheel spindle 31, the primary planet carrier 37 is fixed with the output stage sun wheel 36, the primary inner gear ring 7 is arranged on the outer side of the primary planet carrier 37, the output stage inner gear ring 10 is arranged on the outer side of the output stage planet carrier 25, the outer end of the concentric input transition shaft 21 is provided with an input flange seat 20, the input flange seat 20 is fixedly connected with the output stage planet carrier 25, one end of the double-fold reel 5 is connected with one end of the reel bracket 1 through a flange shaft 2, the other end of the double-fold reel 5 is connected with the output, the output flange 12 is connected to the output stage planet carrier 25.
Furthermore, the double-fold-line winding drum further comprises a travel switch connecting shaft 3, and the travel switch connecting shaft 3 is fixed at the end part of the double-fold-line winding drum 5 and connected with the flange shaft 2.
Further, a first bearing 18 is arranged between the input flange seat 20 and the concentric input transition shaft 21, a second bearing 41 is arranged between the primary planet wheel spindle 42 and the primary planet wheel 39, a third bearing 30 is arranged between the output stage planet wheel spindle 31 and the output stage planet wheel 28, the intermediate connection flange 8 and the output stage planet carrier 25 are fixed through a fourth bearing 32, a fifth bearing 13 is arranged between the output flange 12 and the output stage planet carrier 25, and a sixth bearing 4 is arranged between the flange shaft 2 and the double-fold line winding drum 5.
Further, the primary sun gear shaft 26 is connected to the concentric input transition shaft 21 by a spline fit.
Furthermore, the double-fold reel 5 is designed for a double-fold rope groove, and a filling wedge block and a rope climbing wedge block are arranged on two sides of the rope groove.
Further, the end of the travel switch connecting shaft 3 is provided with a terminal end cap 44, and the terminal end cap 44 is fixed with the double-fold reel 5.
Further, the output stage carrier 25 is provided with a seventh bearing 27, and is fixed to the primary sun gear shaft 26 via the seventh bearing 27.
Further, an eighth bearing 43 is mounted on the cover 6, and is fixed to an end of the primary sun gear shaft 26 by the eighth bearing 43.
Further, the output stage planet carrier 25 adopts a fluororubber radial skeleton oil seal.
Further, the concentric input transition shaft 21 adopts a fluororubber radial skeleton oil seal.
The utility model discloses a theory of operation is: the reel bracket 1 is fixed, the motor is connected with the direct connection flange 16, the concentric input transition shaft 21 is connected with the primary sun gear shaft 26 to drive the primary planet gear 39, and the output stage sun gear 36 and the output stage planet gear 28 rotate to drive the double-fold reel 5 to rotate, so that the steel wire rope is driven to wind.
The utility model adopts the fluororubber radial skeleton oil seal, which has higher sealing reliability; high modular design; compact structure, light weight and small volume.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a tower machine is with planet hoist gear box which characterized in that: comprises a reel bracket (1), a double-fold line reel (5) arranged on the reel bracket (1) and a box body; the box body comprises a box cover (6), a primary inner gear ring (7), a middle connecting flange (8), an output-stage inner gear ring (10), an output flange (12), and a primary sun gear shaft (26) and a concentric input transition shaft (21) which are connected with each other inside; the end part of the primary sun wheel shaft (26) is positioned in the box cover (6), a primary planet wheel (39) and an output stage sun wheel (36) which are arranged on a primary planet carrier (37) through a primary planet wheel spindle (42) are sequentially arranged on the primary sun wheel shaft (26) from left to right, the output stage sun wheel (36) is connected with an output stage planet wheel (28) which is arranged on an output stage planet carrier (25) through an output stage planet wheel spindle (31), the primary planet carrier (37) is fixed with the output stage sun wheel (36), the primary inner gear ring (7) is arranged on the outer side of the primary planet carrier (37), the output stage inner gear ring (10) is arranged on the outer side of the output stage planet carrier (25), an input flange seat (20) is arranged at the outer end of the concentric input transition shaft (21), and the input flange seat (20) is fixedly connected with the output stage planet carrier (25), one end of the double-fold-line winding drum (5) is connected with one end of the winding drum support (1) through a flange shaft (2), the other end of the double-fold-line winding drum (5) is connected with the output flange (12), the other end of the winding drum support (1) is connected with the output-stage planet carrier (25) and a direct connection flange (16) arranged at the outer end of the input flange seat (20), and the output flange (12) is connected with the output-stage planet carrier (25).
2. The planetary hoisting gearbox for the tower crane according to claim 1, characterized in that: the double-fold-line winding drum is characterized by further comprising a travel switch connecting shaft (3), wherein the travel switch connecting shaft (3) is fixed at the end part of the double-fold-line winding drum (5) and is connected with the flange shaft (2).
3. The planetary hoisting gearbox for the tower crane according to claim 2, characterized in that: input flange seat (20) with be provided with first bearing (18) between concentric input transition shaft (21), primary planet wheel dabber (42) with be provided with second bearing (41) between primary planet wheel (39), output level planet wheel dabber (31) with be provided with third bearing (30) between output level planet wheel (28), intermediate junction flange (8) with it is fixed through fourth bearing (32) between output level planet carrier (25), output flange (12) with be provided with fifth bearing (13) between output level planet carrier (25), flange axle (2) with be provided with sixth bearing (4) between two broken line reel (5).
4. The planetary hoisting gearbox for the tower crane according to claim 3, characterized in that: the primary sun gear shaft (26) and the concentric input transition shaft (21) are connected through spline fit.
5. The planetary hoisting gearbox for tower crane according to claim 4, characterized in that: the double-fold line winding drum (5) is designed for a double-fold line rope groove, and filling wedge blocks and rope climbing wedge blocks are arranged on two sides of the rope groove.
6. The planetary hoisting gearbox for the tower crane according to claim 5, characterized in that: the end part of the travel switch connecting shaft (3) is provided with a tail end cover (44), and the tail end cover (44) is fixed with the double-fold line winding drum (5).
7. The planetary hoisting gearbox for the tower crane according to claim 5, characterized in that: and a seventh bearing (27) is arranged on the output stage planet carrier (25), and is fixed with the primary sun gear shaft (26) through the seventh bearing (27).
8. The planetary hoisting gearbox for the tower crane according to claim 5, characterized in that: and an eighth bearing (43) is arranged on the box cover (6), and the eighth bearing (43) is fixed with the end part of the primary sun gear shaft (26).
9. The planetary hoisting gearbox for the tower crane according to claim 5, characterized in that: the output-stage planet carrier (25) adopts a fluororubber radial skeleton oil seal.
10. The planetary hoisting gearbox for the tower crane according to claim 5, characterized in that: the concentric input transition shaft (21) adopts a fluororubber radial framework oil seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021097802.6U CN212928669U (en) | 2020-06-15 | 2020-06-15 | Planetary hoisting gear box for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021097802.6U CN212928669U (en) | 2020-06-15 | 2020-06-15 | Planetary hoisting gear box for tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212928669U true CN212928669U (en) | 2021-04-09 |
Family
ID=75324035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021097802.6U Active CN212928669U (en) | 2020-06-15 | 2020-06-15 | Planetary hoisting gear box for tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212928669U (en) |
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2020
- 2020-06-15 CN CN202021097802.6U patent/CN212928669U/en active Active
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