CN216279289U - Speed reducer for construction elevator - Google Patents
Speed reducer for construction elevator Download PDFInfo
- Publication number
- CN216279289U CN216279289U CN202122365756.4U CN202122365756U CN216279289U CN 216279289 U CN216279289 U CN 216279289U CN 202122365756 U CN202122365756 U CN 202122365756U CN 216279289 U CN216279289 U CN 216279289U
- Authority
- CN
- China
- Prior art keywords
- bevel gear
- casing
- input shaft
- shaft
- construction elevator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 21
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000005461 lubrication Methods 0.000 claims abstract description 6
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 18
- 239000010687 lubricating oil Substances 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- General Details Of Gearings (AREA)
- Gear Transmission (AREA)
Abstract
The utility model discloses a speed reducer for a construction elevator, which belongs to the technical field of construction elevators and solves the problems that 1) the lubrication is poor and the oil filling amount is large because a bevel gear is positioned above the speed reducer; 2) the bevel gear pair adopts a double-curved-surface gear structure, and the meshing sliding rate of the structure is high, so that the service cycle and the sealing performance of lubricating oil and the service life of a sealing element are influenced, and the transmission efficiency of the speed reducer is low; 3) the overall size is great, and weight is heavy, is unfavorable for realizing energy saving and consumption reduction's problem, and the reduction gear includes the casing, be provided with input shaft, one-level bevel gear, skewed tooth shaft, second grade helical gear, the output shaft that connects of transmission in proper order in the casing, the one end of input shaft is connected with the power supply, the output shaft is used for driving the lift operation, the position setting of one-level bevel gear is in the lower part of casing, just the input shaft adopts quadrature spiral tooth structure meshing connection with the junction of one-level bevel gear.
Description
Technical Field
The utility model belongs to the technical field of construction elevators, and particularly relates to a reducer for a construction elevator.
Background
The reducer of the construction hoist is an important core component of the construction hoist, and is required to have compact structure and high reliability.
Through the deep analysis of the structure types of other current construction elevator reducers, the structure of the existing reducer has the following defects:
1) the bevel gear is positioned above the speed reducer, so that the lubrication is poor and the oil adding amount is large;
2) the bevel gear pair adopts a double-curved-surface gear structure, and the meshing sliding rate of the structure is high, so that the service cycle and the sealing performance of lubricating oil and the service life of a sealing element are influenced, and the transmission efficiency of the speed reducer is low;
3) the whole size is large, the weight is heavy, and the energy conservation and consumption reduction are not facilitated.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a decelerator for a construction elevator.
The technical scheme adopted by the utility model is as follows:
the utility model provides a reduction gear for construction elevator, includes the casing, be provided with input shaft, one-level bevel gear, skewed tooth shaft, second grade helical gear, the output shaft that connects in proper order the transmission in the casing, the one end of input shaft is connected with the power supply, the output shaft is used for driving the lift operation, wherein the position setting of one-level bevel gear is in the lower part of casing, just the input shaft adopts quadrature spiral tooth structure meshing to be connected with the junction of one-level bevel gear.
By adopting the technical scheme, the connection part of the input shaft and the first-level bevel gear is meshed and connected by adopting the orthogonal spiral tooth structure, the transmission efficiency is improved, the heat generated by transmission friction can be reduced, the first-level bevel gear is placed below the box body, so that the first-level bevel gear is soaked by lubricating oil, oil bath lubrication is realized, the lubricating effect of the bevel gear pair is greatly improved, the service life of the bevel gear pair is prolonged, the service cycle of the lubricating oil is prolonged, the heat productivity of the whole machine is reduced, and the transmission efficiency of the whole machine is improved.
Preferably, the orthogonal spiral tooth structure comprises a driving spiral tooth at the end part of the input shaft and a driven spiral tooth on the primary bevel gear, and the driving spiral tooth and the driven spiral tooth are in orthogonal meshing connection.
Specifically, the driving spiral teeth at one end of the input shaft are meshed with the driven spiral teeth of the first-stage bevel gear, the bevel gear shaft is fixedly connected with the first-stage bevel gear coaxially, the bevel gear section on the bevel gear shaft is meshed with the second-stage bevel gear, and the output shaft is fixedly connected with the second-stage bevel gear coaxially. By adopting the technical scheme, the plane formed by the output shaft and the bevel gear shaft is vertical to the plane formed by the bevel gear shaft and the output shaft, the size and the mass of the speed reducer are reduced, the reliability of transmission is higher, the bearing capacity is improved, and the mechanical jitter and the noise are reduced.
Preferably, an outer connecting sleeve is arranged between the input shaft and the shell and fixedly connected with the shell, a bearing assembly is further arranged between the outer connecting sleeve and the input shaft, a bearing end cover is arranged at the outer end of the outer connecting sleeve, a shaft head of the input shaft is set to be a spline shaft head, a sealing ring is arranged between the bearing end cover and the spline shaft head, and the spline shaft head penetrates through the sealing through cover and then is fixedly connected with a coupler.
Preferably, the bearing assembly comprises a group of tapered roller bearings which are oppositely arranged, a spacer bush is arranged between the two tapered roller bearings, and a locking nut is arranged at the end part of each tapered roller bearing; and a stop washer is arranged between the tapered roller bearing inner ring and the lock nut.
Preferably, a lubricating oil channel is further arranged between the outer connecting sleeve and the shell. By adopting the optimized technical scheme, the input end bearing is ensured to be fully lubricated, and the oil duct can release liquid pressure at the same time, so that the sealing reliability of the whole machine is improved.
Preferably, the primary bevel gear and the secondary bevel gear are both hard-tooth-surface gears. By adopting the optimized technical scheme, the transmission efficiency is effectively improved, the heat productivity is reduced, and the obvious energy-saving effect is achieved.
Preferably, the side face of the shell is provided with an oil drainage bolt. Adopt this preferred technical scheme, the oil drain bolt sets up the side that is close to the bottom at the casing, is different from the conventional design under, and the convenient and fast more of oil drain under the state of not dismantling the casing is convenient for the maintenance of reduction gear, maintenance.
Preferably, the housing comprises a main box body and a box cover, a sealing groove is arranged between the main box body and the box cover, and the sealing groove is arranged on a combination surface of the main box body.
Preferably, the speed reducer is made of a novel material with a large strength-weight ratio. By adopting the preferred technical scheme, the weight of the whole machine is greatly reduced, and the energy consumption in the running process of the whole machine is greatly reduced.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. the input shaft is meshed with the first-stage bevel gear through the orthogonal spiral tooth structure, so that the transmission efficiency is improved, heat generated by transmission friction can be reduced, the first-stage bevel gear is placed below the box body and is soaked by lubricating oil, oil bath lubrication is realized, the lubricating effect of the bevel gear pair is greatly improved, the service life of the bevel gear pair is prolonged, the service cycle of the lubricating oil is prolonged, the heat productivity of the whole machine is reduced, and the transmission efficiency of the whole machine is improved.
2. The driving arc teeth at one end of the input shaft are meshed with the driven arc teeth of the first-stage bevel gear, the bevel gear shaft is fixedly connected with the same axle center of the first-stage bevel gear, the bevel gear section on the bevel gear shaft is meshed with the second-stage bevel gear, the output shaft is fixedly connected with the same axle center of the second-stage bevel gear, and the plane formed by the output shaft and the bevel gear shaft is perpendicular to the plane formed by the bevel gear shaft and the output shaft, so that the size and the quality of the speed reducer are reduced, the reliability of transmission is higher, the bearing capacity is improved, and the mechanical jitter and the noise are reduced.
3. And a lubricating oil passage is also arranged between the outer connecting sleeve and the shell, so that the input end bearing is ensured to be fully lubricated, and the oil passage can release liquid pressure at the same time, thereby improving the sealing reliability of the whole machine.
4. The casing side is provided with the oil drain bolt, and the oil drain bolt setting is close to the side of bottom at the casing, and the design under being different from the conventionality, convenient and fast more is put in oil under the state of not dismantling the casing, the maintenance of the reduction gear of being convenient for, maintenance.
Drawings
The utility model will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a cross-sectional view of a reducer of the present invention 1;
FIG. 2 is an enlarged block diagram of the input shaft bearing assembly of the present invention;
FIG. 3 is a cross-sectional view of the reducer of the present invention 2;
fig. 4 is a front view of the decelerator in the present invention.
Reference numerals
The bearing comprises a shell 1, an input shaft 2, a primary bevel gear 3, a bevel gear shaft 4, a secondary bevel gear 5, an output shaft 6, a driving arc tooth 7, a driven arc tooth 8, an outer connecting sleeve 9, a spline shaft head 10, a sealing ring 11, a tapered roller bearing 12, a spacer sleeve 13, a locking nut 14, a stop washer 15, a lubricating oil channel 16, an oil drain bolt 17, a bearing assembly 18 and a bearing end cover 19.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of embodiments of the present application, generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The present invention will be described in detail with reference to fig. 1 to 4.
A speed reducer for a construction elevator comprises a shell 1, wherein an input shaft 2, a primary bevel gear 3, a bevel gear shaft 4, a secondary bevel gear 5 and an output shaft 6 are arranged in the shell 1 and are sequentially connected in a transmission manner, one end of the input shaft 2 is connected with a power source, the output shaft 6 is used for driving the elevator to run, a driving arc tooth 7 at one end of the input shaft 2 is meshed with a driven arc tooth 8 of the primary bevel gear 3, the bevel gear shaft 4 is fixedly connected with the primary bevel gear 3 in a coaxial manner, a bevel gear section on the bevel gear shaft 4 is meshed with the secondary bevel gear 5, and the output shaft 6 is fixedly connected with the secondary bevel gear 5 in a coaxial manner; the improved clutch is characterized in that an outer connecting sleeve 9 is arranged between the input shaft 2 and the shell 1, the outer connecting sleeve 9 is fixedly connected with the shell 1, a bearing assembly 18 is further arranged between the outer connecting sleeve 9 and the input shaft 2, a bearing end cover 19 is arranged at the outer end of the outer connecting sleeve 9, the shaft head of the input shaft 2 is arranged to be a spline shaft head 10, a sealing ring 11 is arranged between the bearing end cover 19 and the spline shaft head 10, and the spline shaft head 10 penetrates through a sealing through cover and then is fixedly connected with a coupler.
In a preferred embodiment, the bearing assembly 18 includes a set of tapered roller bearings 12 arranged oppositely, a spacer 13 is arranged between the two tapered roller bearings 12, and a lock nut 14 is arranged at the end of each tapered roller bearing 12; a stop washer 15 is arranged between the inner ring of the tapered roller bearing 12 and the lock nut 14; and a positioning boss is arranged in the outer connecting sleeve 9, and the outer ring of the tapered roller bearing 12 is arranged on two sides of the positioning boss.
As a preferred embodiment, a lubricating oil channel 16 is further arranged between the outer connecting sleeve 9 and the shell 1; the position of the first-stage bevel gear 3 is arranged at the lower part of the shell 1, the first-stage bevel gear 3 is placed below the box body and matched with a lubricating oil channel 16 structure, so that the first-stage bevel gear 3 is soaked by lubricating oil, oil bath lubrication is realized, the lubricating effect of the bevel gear pair is greatly improved, the service life of the bevel gear pair is prolonged, the service cycle of the lubricating oil is prolonged, the heat productivity of the whole machine is reduced, the transmission efficiency of the whole machine is improved, the oil duct can release liquid pressure at the same time, and the sealing reliability of the whole machine is improved.
As a preferred embodiment, the connection part of the input shaft 2 and the primary bevel gear 3 is in meshing connection by adopting an orthogonal spiral tooth structure, the orthogonal spiral tooth structure comprises a driving spiral tooth 7 at the end part of the input shaft 2 and a driven spiral tooth 8 on the primary bevel gear 3, the driving spiral tooth 7 and the driven spiral tooth 8 are in orthogonal meshing connection, and the connection part of the input shaft 2 and the primary bevel gear 3 is in meshing connection by adopting an orthogonal spiral tooth structure, so that the transmission efficiency is improved, and the heat generated by transmission friction can be reduced.
In the embodiment, the primary bevel gear 3 and the secondary bevel gear 5 both adopt hard-tooth-surface gears, so that the transmission efficiency is effectively improved, the heat productivity is reduced, and an obvious energy-saving effect is achieved.
In this embodiment, casing 1 side is provided with oil drain bolt 17, and oil drain bolt 17 sets up the side that is close to the bottom at casing 1, is different from the conventional design under, and the convenient and fast more of oil drain is convenient for maintenance, the maintenance of the reduction gear of being convenient for under the state of not dismantling casing 1.
In this embodiment, the housing 1 includes a main box body and a box cover, a sealing groove is disposed between the main box body and the box cover, and the sealing groove is disposed on a combining surface of the main box body.
In this embodiment, the elevator is a JSHZ16 elevator.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (8)
1. The utility model provides a reduction gear for construction elevator, includes casing (1), be provided with input shaft (2), one-level bevel gear (3), skewed tooth shaft (4), second grade helical gear (5), output shaft (6) that transmission connects gradually in casing (1), the one end of input shaft (2) is connected with the power supply, output shaft (6) are used for driving the lift operation, its characterized in that, the position setting of one-level bevel gear (3) is in the lower part of casing (1), just input shaft (2) adopt quadrature spiral tooth structure meshing to be connected with the junction of one-level bevel gear (3).
2. A reducer for a construction hoist according to claim 1, characterized in that the orthogonal curved tooth structure comprises a driving curved tooth (7) at the end of the input shaft (2) and a driven curved tooth (8) on the primary bevel gear (3), and the driving curved tooth (7) and the driven curved tooth (8) are in orthogonal meshing connection.
3. The reducer for the construction elevator according to claim 1, wherein an outer connecting sleeve (9) is arranged between the input shaft (2) and the casing (1), the outer connecting sleeve (9) is fixedly connected with the casing (1), a bearing assembly (18) is further arranged between the outer connecting sleeve (9) and the input shaft (2), a bearing end cover (19) is arranged at the outer end of the outer connecting sleeve (9), a shaft head of the input shaft (2) is set to be a spline shaft head (10), a sealing ring (11) is arranged between the bearing end cover (19) and the spline shaft head (10), and the spline shaft head (10) penetrates through the sealing cover and is fixedly connected with a coupler.
4. A decelerator for a construction elevator according to claim 3, wherein the bearing assembly (18) includes a set of tapered roller bearings (12) disposed oppositely, a spacer (13) is disposed between the two tapered roller bearings (12), and a lock nut (14) is disposed at an end of the tapered roller bearing (12); a stop washer (15) is arranged between the inner ring of the tapered roller bearing (12) and the lock nut (14).
5. A reducer for a construction elevator according to claim 3, characterised in that a lubrication oil duct (16) is also provided between the outer connecting sleeve (9) and the housing (1).
6. A reducer for a construction elevator according to claim 1, wherein the primary bevel gear (3) and the secondary bevel gear (5) are hard-toothed gears.
7. A decelerator for a construction elevator according to claim 1, characterised in that the casing (1) is provided with oil drain bolts (17) at its sides.
8. A decelerator for a construction elevator according to claim 1, wherein the casing (1) includes a main body and a cover, and a sealing groove is provided between the main body and the cover, the sealing groove being provided on a coupling surface of the main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122365756.4U CN216279289U (en) | 2021-09-28 | 2021-09-28 | Speed reducer for construction elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122365756.4U CN216279289U (en) | 2021-09-28 | 2021-09-28 | Speed reducer for construction elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216279289U true CN216279289U (en) | 2022-04-12 |
Family
ID=81067500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122365756.4U Active CN216279289U (en) | 2021-09-28 | 2021-09-28 | Speed reducer for construction elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216279289U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117869550A (en) * | 2024-01-22 | 2024-04-12 | 南通智客机器人自动化有限责任公司 | A compact and efficient ball screw lift |
-
2021
- 2021-09-28 CN CN202122365756.4U patent/CN216279289U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117869550A (en) * | 2024-01-22 | 2024-04-12 | 南通智客机器人自动化有限责任公司 | A compact and efficient ball screw lift |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112196973A (en) | Take lubricated bevel gear speed reducer of oil-well pump | |
| CN202937733U (en) | Spiral bevel gear- helical gear box for blender | |
| CN202274055U (en) | Worm gear and worm lifter | |
| CN204755873U (en) | Worm gear swing drives device | |
| CN208381212U (en) | spiral bevel gear speed reducer | |
| CN219588074U (en) | Worm gear speed reducer lubricating device and worm gear speed reducer | |
| CN201909007U (en) | Concentrated differential speed reducer with good lubrication effect | |
| CN204477264U (en) | Right-angle type gear reducer | |
| CN214007992U (en) | Take lubricated bevel gear speed reducer of oil-well pump | |
| CN203363007U (en) | Arc tooth hypoid gear speed reducer used for lift | |
| CN210889816U (en) | Universal joint fork for high-speed rotation transmission | |
| CN201679945U (en) | Reducer | |
| CN204755842U (en) | Swing drives uses worm | |
| CN203756872U (en) | Spiral bevel gear reducer for construction hoist | |
| CN204704330U (en) | A kind of helical bevel gear secondary transmission speed reducer | |
| CN210371937U (en) | Semi-soaking lubrication type speed reducer | |
| CN223411424U (en) | Reinforced base assembly for rotary speed reducer | |
| CN112360962A (en) | Speed reducer for steel mill ring cooling machine | |
| CN211820581U (en) | Planetary reducer with lubricating structure | |
| CN224201079U (en) | Heavy load rotary speed reducer | |
| CN104534067A (en) | Right-angle gear reducer | |
| CN215444933U (en) | Speed reducer for crane | |
| CN216888568U (en) | External electric roller with groove gear transmission | |
| CN203297527U (en) | Low coal seam mining machine and traction planetary reducer thereof | |
| CN221897048U (en) | A permanent magnet synchronous motor semi-direct drive vertical mill gearbox |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |