CN2855994Y - Speed variator of building hoister - Google Patents
Speed variator of building hoister Download PDFInfo
- Publication number
- CN2855994Y CN2855994Y CN 200520124200 CN200520124200U CN2855994Y CN 2855994 Y CN2855994 Y CN 2855994Y CN 200520124200 CN200520124200 CN 200520124200 CN 200520124200 U CN200520124200 U CN 200520124200U CN 2855994 Y CN2855994 Y CN 2855994Y
- Authority
- CN
- China
- Prior art keywords
- yoke
- fixed
- transmission shaft
- magnetic
- transmission
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims description 37
- 238000009434 installation Methods 0.000 claims description 6
- 244000144983 clutch Species 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The utility model relates to a speed-transformation mechanism for a construction hoister, wherein two electric magnetic clutches are installed on the drive shaft I of a reduction box; the magnetic yoke of the electric magnetic clutch is installed on the drive shaft with a shaft bearing;the bearing cap inside the reduction box is fixed with an arresting stop bracket on which an arresting stop is arranged; a locating slot is fixed at the outer circle of the magnetic yoke of the clutch; the lower end of the arresting stop is installed in the locating slot; a terminal plate is fixed at the magnetic yoke. Because of the locating role of the arresting stop, the magnetic yoke of the electric magnetic clutch of the utility model keeps steady in the process of working, no more relative movement exists between the terminal plate and the magnetic yoke, thereby no slip-rings and electric brush are needed, and thus the big problem of easy wearing-out of the slip-rings and the electric brush is solved, the incipient faults of the construction hoister can be wiped off completely, and the maintenance workload is largely reduced.
Description
Technical field
The utility model relates to the winch technical field, particularly relates to a kind of transmission system of building whim.
Background technology
In order to realize the variation of building whim lifting-speed, wherein a kind of alternative technology mode is provided with magnetic clutch exactly in drop-gear box.This class magnetic clutch that is used for winch at present all has slip ring, brush is arranged, because reductor will inevitably cause the wearing and tearing of slip ring and brush in motion process, will not skid because of adhesive is firm if adjust untimely power-transfer clutch.Therefore, the maintaining work capacity of this series products is very big, careless slightlyly will cause safety misadventure, thereby seldom selects the winch of this transmission system at present on tower crane for building for use.
Summary of the invention
The purpose of this utility model is exactly at above-mentioned the deficiencies in the prior art, for building whim provides a kind of transmission system safe and reliable, easy to maintenance.
The transmission system of the utility model building whim, have deceleration box, be installed in the transmission shaft in the deceleration box and be contained in transmission gear on the transmission shaft, magnetic clutch is installed on transmission shaft, magnetic clutch comprises yoke, be contained in coil in the yoke, be contained in active friction plate on the transmission shaft, by bearing installation the gear on the transmission shaft, by be bolted to the pawl dish on the gear and be installed between pawl dish and active friction plate from movable friction plate.Its constructional feature is on drop-gear box transmission I axle two magnetic clutchs to be installed, the yoke of magnetic clutch by bearing installation on transmission shaft, by bolt the backing block support is arranged on the bearing cap shim in deceleration box, on the backing block support, backing block is arranged by bolt, on the cylindrical of power-transfer clutch yoke, be processed with positioning groove, the lower end of backing block is contained in this positioning groove, is installed with touch block on yoke.
The transmission system of building whim as mentioned above, on its drop-gear box transmission II axle, also be equipped with one with the identical magnetic clutch of above-mentioned magnetic clutch structure, by bolt oil groove is arranged on the bearing cap shim in deceleration box, on oil groove, backing block is arranged by bolt, the lower end of backing block is contained in the positioning groove on the yoke cylindrical, is installed with touch block on yoke.
Because the positioning action of backing block, the yoke of magnetic clutch of the present utility model is fixed in the course of the work, touch block can be fixedly mounted on the yoke, the two no longer includes relative motion, thereby do not need slip ring and brush, just with no slip ring, the magnetic clutch of brushless has substituted prior art slip ring, the magnetic clutch that brush is arranged, thereby solved the frequent worn-down difficult problem of slip ring and brush, fundamentally got rid of the potential safety hazard that adopts the building whim of magnetic clutch transmission system, safe and reliable, and can on tower crane for building, use.Because the normal wear of friction lining in use need not adjusted, and has alleviated the work capacity of maintaining greatly, be suitable for rotating speed position higher and not easy care and use.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model;
Fig. 2 is the A-A section-drawing among Fig. 1;
Fig. 3 is the structural representation of another embodiment of the utility model;
Fig. 4 is the B-B among Fig. 3;
Fig. 5 is the yoke location scheme drawing of magnetic clutch.
The specific embodiment
Embodiment illustrated in fig. 1, the utlity model has deceleration box 1, be installed in the transmission shaft in the deceleration box 1 and be contained in transmission gear on the transmission shaft.On drop-gear box transmission I axle 2, two magnetic clutchs 5,6 are installed.Magnetic clutch comprises yoke 14, be contained in coil 21 in the yoke 14, be contained in active friction plate 17 on the transmission shaft, by bearing installation the gear on the transmission shaft 4, by bolt 20 be fixed on the pawl dish 19 on the gear 4 and be installed in pawl dish 19 and 17 of active friction plates from movable friction plate 18.Be installed with axle sleeve 22 by key on drop-gear box transmission I axle 2, active friction plate 17 is fixedly mounted on the axle sleeve 22, yoke 14 by bearing installation on axle sleeve 22.Be fixed with backing block support 8 by bolt 9 on the bearing cap shim 7 in deceleration box, on backing block support 8, be fixed with backing block 10 by bolt 11, on the cylindrical of power-transfer clutch yoke 14, be processed with positioning groove 15, the lower end of backing block 10 is contained in this positioning groove 15, thereby yoke 14 can not rotated with transmission shaft.On yoke 14, be installed with touch block 16.
Embodiment illustrated in fig. 2 is on the basis of the foregoing description, a magnetic clutch 13 identical with above-mentioned magnetic clutch structure also is installed on drop-gear box transmission II axle 3, be fixed with oil groove 12 by bolt 9 on the bearing cap shim 7 in deceleration box, on oil groove 12, be fixed with backing block 10 by bolt 11, the lower end of backing block 10 is contained in the positioning groove 15 on yoke 14 cylindricals, is installed with touch block 16 on yoke 14.
When 21 no powers of the coil in the power-transfer clutch yoke 14 owing to do not produce magnetic force, active friction plate 17 be that the power that transmits of the transmission shaft that separates can't driven gear 4 rotations from movable friction plate 18, thereby gear 4 is not worked.When coil 21 energisings, the magnetic force of generation is in the same place active friction plate 17 with inhaling tightly from movable friction plate 18, power is passed to gear 4 by pawl dish 19 and bolt 20, thereby makes winch obtain given speed.In the course of the work, because the positioning action of backing block 10, yoke 14 maintains static, and touch block also maintains static, and there is relative motion in the two, thereby does not need slip ring and brush.
Claims (2)
1, a kind of transmission system of building whim, has deceleration box, be installed in the transmission shaft in the deceleration box and be contained in transmission gear on the transmission shaft, magnetic clutch is installed on transmission shaft, magnetic clutch comprises yoke (14), be contained in the coil (21) in the yoke (14), be contained in the active friction plate (17) on the transmission shaft, by the gear (4) of bearing installation on transmission shaft, by bolt (20) be fixed on the pawl dish (19) on the gear (4) and be installed in pawl dish (19) and active friction plate (17) between from movable friction plate (18), it is characterized in that: two magnetic clutchs (5) (6) are installed on drop-gear box transmission I axle (2), the yoke (14) of magnetic clutch (5) (6) by bearing installation on transmission shaft, bearing cap shim in deceleration box (7) is gone up and is fixed with backing block support (8) by bolt (9), upward be fixed with backing block (10) at backing block support (8) by bolt (11), on the cylindrical of power-transfer clutch yoke (14), be processed with positioning groove (15), the lower end of backing block (10) is contained in this positioning groove (15), is installed with touch block (16) on yoke (14).
2, the transmission system of building whim according to claim 1, it is characterized in that on drop-gear box transmission II axle (3), also being equipped with a magnetic clutch (13) identical with above-mentioned magnetic clutch structure, bearing cap shim in deceleration box (7) is gone up and is fixed with oil groove (12) by bolt (9), upward be fixed with backing block (10) at oil groove (12) by bolt (11), the lower end of backing block (10) is contained in the positioning groove (15) on yoke (14) cylindrical, is installed with touch block (16) on yoke (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520124200 CN2855994Y (en) | 2005-11-08 | 2005-11-08 | Speed variator of building hoister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520124200 CN2855994Y (en) | 2005-11-08 | 2005-11-08 | Speed variator of building hoister |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2855994Y true CN2855994Y (en) | 2007-01-10 |
Family
ID=37599299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520124200 Expired - Fee Related CN2855994Y (en) | 2005-11-08 | 2005-11-08 | Speed variator of building hoister |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2855994Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224858B (en) * | 2008-01-29 | 2010-04-21 | 潍坊新奇机电工程有限公司 | Variable-speed gear for construction hoister |
| CN103232003A (en) * | 2013-05-10 | 2013-08-07 | 安徽理工大学 | Automatic clutch device on countershaft of dispatching winch |
| CN104925688A (en) * | 2015-07-06 | 2015-09-23 | 宁波中皇机电有限公司 | Winch with electric clutch device |
-
2005
- 2005-11-08 CN CN 200520124200 patent/CN2855994Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224858B (en) * | 2008-01-29 | 2010-04-21 | 潍坊新奇机电工程有限公司 | Variable-speed gear for construction hoister |
| CN103232003A (en) * | 2013-05-10 | 2013-08-07 | 安徽理工大学 | Automatic clutch device on countershaft of dispatching winch |
| CN103232003B (en) * | 2013-05-10 | 2015-08-12 | 安徽理工大学 | Automatic clutch device on a kind of shunting winch countershaft |
| CN104925688A (en) * | 2015-07-06 | 2015-09-23 | 宁波中皇机电有限公司 | Winch with electric clutch device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070110 Termination date: 20141108 |
|
| EXPY | Termination of patent right or utility model |