CN109654201B - Reduction gearbox for construction elevator and installation method thereof - Google Patents
Reduction gearbox for construction elevator and installation method thereof Download PDFInfo
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- CN109654201B CN109654201B CN201910048520.2A CN201910048520A CN109654201B CN 109654201 B CN109654201 B CN 109654201B CN 201910048520 A CN201910048520 A CN 201910048520A CN 109654201 B CN109654201 B CN 109654201B
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- 238000010276 construction Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 title abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims description 19
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/039—Gearboxes for accommodating worm gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
- General Details Of Gearings (AREA)
Abstract
The utility model provides a reducing gear box for construction elevator and installation method thereof, the reducing gear box is by motor drive, including the box, one-level reducing gear, two-level reducing gear, with the transmission shaft of one-level reducing gear's torque transmission for two-level reducing gear, with the output shaft of power take off, support the first, the second bearing of transmission shaft, one-level reducing gear includes intermeshing's first, the second gear, two-level reducing gear includes intermeshing's worm and worm wheel, first gear links to each other with the motor, the second gear is installed on the transmission shaft, the transmission shaft is arranged in the first of box through first, the second bearing pivot, install the worm on the transmission shaft, the worm wheel is installed on the output shaft, characteristics: the case wall facing the motor on the case body is provided with an orifice with an inner diameter larger than the outer diameter of the worm wheel, and the first bearing seat is provided with a groove with a width larger than the width of the worm wheel. The utility model also discloses an installation method of the reduction gearbox. The reduction gearbox is compact in structure, small in appearance, space-saving and ingenious in installation.
Description
Technical Field
The utility model belongs to the technical field of reduction boxes of construction elevators, and particularly relates to a gear, worm gear and worm reduction box on a construction elevator and an installation method thereof.
Background
The existing gear and worm gear reduction box structure for the construction elevator is like a Chinese patent grant publication No. CN201973196U, and is named as a 'speed reducer for the construction elevator', and also like a Chinese patent grant publication No. CN201971522U, and is named as a 'power driving device for the construction elevator', and the speed reducer has the characteristics of large reduction ratio, large bearing capacity of the whole machine, high applicability, safety, reliability and the like in the field of speed reducers special for the construction elevator. However, the reduction gearbox body of the machine type is required to be processed with a plurality of holes, the holes are used for respectively installing worm gears, worms and gears into the gearbox body, and the requirements on the inner diameters of the holes for the worm gears to pass through are larger, so that a large transparent cover for sealing the larger holes on the gearbox body and supporting the output shaft bearing is required to be installed after the worm gears are installed, the axial size of the output shaft of the reduction gearbox is larger, the processing cost is increased, the assembly is complicated, the occupied space is large, and finally the arrangement of the construction elevator is limited to a certain extent.
In view of the above-described prior art, there is a need for a rational improvement in the case structure of the gear + worm gear pair reduction case for use in existing construction elevators. To this end, the inventors have advantageously devised that the technical solutions described below are created in this context.
Disclosure of Invention
The utility model aims at providing the reduction gearbox for the construction lifter, which is ingenious in design, flexible in installation, compact in structure and small in appearance.
Another object of the present utility model is to provide a method for installing a reduction gearbox for a construction hoist, which is simple in steps and ensures that the reduction gearbox for a construction hoist can be assembled quickly and reliably.
In order to complete the primary task, the technical scheme provided by the utility model is as follows: the utility model provides a reduction gearbox for construction elevator, the reduction gearbox by motor drive, it includes the box, arranges in the inside one-level reduction gears and the second grade reduction gears of box, with the transmission shaft of one-level reduction gears, with power take off's output shaft, support the first bearing and the second bearing of transmission shaft in the transmission shaft of second grade reduction gears, one-level reduction gears include intermeshing's first gear and second gear, second grade reduction gears include intermeshing's worm and worm wheel, first gear link to each other with the motor, the second gear install on the transmission shaft, the transmission shaft rotate the pivot through first bearing and second bearing and arrange in the inside first bearing frame and the second bearing frame of box on, the transmission shaft on install the worm, the worm wheel install on the output shaft, the output shaft pass through the bearing and install on the box, its characterized in that: the box set up the drill way that can supply the motor shaft of motor to stretch into on the case wall of facing one side of motor, the internal diameter of drill way be greater than the external diameter of worm wheel, first bearing frame on set up the groove that the width is greater than the worm wheel width.
In a specific embodiment of the utility model, the transmission shaft is disposed above or at the bottom of the interior of the case.
In another specific embodiment of the present utility model, the end of the drive shaft extending from the first bearing housing is fitted with a second gear.
In yet another specific embodiment of the present utility model, the first gear and the second gear are helical gears.
In yet another embodiment of the utility model, the worm is a threaded section machined directly onto the drive shaft.
In yet another embodiment of the present utility model, the worm gear is nested and secured to the output shaft by a rim and key.
In a further specific embodiment of the present utility model, the reduction gearbox further includes a third bearing and a fourth bearing, and the output shaft is rotatably pivoted on the third bearing seat and the fourth bearing seat of the box body through the third bearing and the fourth bearing respectively.
In a further specific embodiment of the present utility model, the reduction gearbox is further provided with a transparent cover, the transparent cover can be used for being connected with a working machine, a fifth bearing seat capable of being provided with a fifth bearing is machined in the transparent cover, and the output shaft is respectively pivoted on the fifth bearing seat of the transparent cover and the fourth bearing seat of the box body through the fifth bearing and the fourth bearing.
In order to accomplish another task, the technical scheme provided by the utility model is as follows: the method for installing the reduction gearbox for the construction elevator is characterized by comprising the following steps of:
s1) enabling the assembly of the worm wheel and the rim to enter from an orifice of the box body and pass through the groove to be arranged in the box body, enabling the assembly of the worm wheel and the rim to be arranged at a position where the center line of the assembly of the worm wheel and the rim is aligned with the center line of the fourth bearing seat, and primarily positioning the assembly of the worm wheel and the rim;
s2) an output shaft extends into the box body and passes through the shaft hole of the rim, a third bearing and a fourth bearing are arranged on the output shaft, outer rings of the third bearing and the fourth bearing are respectively arranged on a third bearing seat and a fourth bearing seat, and sealing parts are arranged on the outer sides of the third bearing and the fourth bearing in the axial direction, so that the box body is sealed;
s3) a transmission shaft extends into the box body and is meshed with the worm wheel, a first bearing and a second bearing are arranged on the transmission shaft, outer rings of the first bearing and the second bearing are respectively arranged on a first bearing seat and a second bearing seat, and a sealing part is arranged on the outer side of the second bearing in the axial direction, so that the box body is sealed;
s4), a second gear is arranged on the shaft end, which is close to the motor side and extends out of the first bearing, of the transmission shaft;
s5) installing a first gear on a motor shaft of the motor, installing the motor on the box body, and enabling the first gear to be meshed with the second gear, so that the assembly of the reduction gearbox is completed.
In order to accomplish another task, the technical scheme provided by the utility model can also be as follows: the method for installing the reduction gearbox for the construction elevator is characterized by comprising the following steps of:
s1) enabling the assembly of the worm wheel and the rim to enter from an orifice of the box body and pass through the groove to be arranged in the box body, enabling the assembly of the worm wheel and the rim to be arranged at a position where the center line of the assembly of the worm wheel and the rim is aligned with the center line of the fourth bearing seat, and primarily positioning the assembly of the worm wheel and the rim;
s2) an output shaft extends into the box body and passes through a shaft hole of the rim, a fifth bearing and a fourth bearing are arranged on the output shaft, and an outer ring of the fourth bearing is arranged on a fourth bearing seat;
s3) sleeving the transparent cover on the outer side of the fifth bearing and fixedly mounting the transparent cover with the box body, and mounting sealing parts on the outer sides of the fifth bearing and the fourth bearing in the axial direction so as to seal the box body;
s4) a transmission shaft extends into the box body and is meshed with the worm wheel, a first bearing and a second bearing are arranged on the transmission shaft, outer rings of the first bearing and the second bearing are respectively arranged on a first bearing seat and a second bearing seat, and a sealing part is arranged on the outer side of the second bearing in the axial direction, so that the box body is sealed;
s5) a second gear is arranged on the shaft end of the transmission shaft, which is close to the motor side and extends out of the first bearing;
s6) installing a first gear on a motor shaft of the motor, installing the motor on the box body, and enabling the first gear to be meshed with the second gear, so that the assembly of the reduction gearbox is completed.
By adopting the structure, the utility model has the beneficial effects that: the box wall connected with the motor is provided with the hole which can be used for the motor shaft of the motor to extend into and the inner diameter of the hole is larger than the outer diameter of the worm wheel, and the bearing seat in the box body of the reduction gearbox is provided with a slot, so that the worm wheel is radially arranged in the box body, the mode that the worm wheel axially enters the box body from the prior art is changed, the hole which is larger than the circumferential area of the worm wheel is not required to be processed on the box wall which is parallel to the circumferential surface of the worm wheel on the box body, and a large transparent cover for sealing the larger hole of the box body is not required to be installed.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a reduction gearbox of a construction hoist according to the present utility model.
Fig. 2 is a cross-sectional view A-A of fig. 1.
Fig. 3 is a schematic structural view of another embodiment of the reduction gearbox of the construction hoist according to the present utility model.
Fig. 4 is a left side view of the reduction gearbox housing shown in fig. 1.
In the figure: 1. a motor, 101. A motor shaft; 2. the box body, 21, a first bearing seat, 211, a groove, 22, a second bearing seat, 23, a third bearing seat, 24, a fourth bearing seat, 25 and an orifice; 3. a first-stage reduction mechanism, 31, a first gear, 32, a second gear; 4. a two-stage speed reducing mechanism 41, a worm and a worm wheel 42; 5. a transmission shaft; 6. an output shaft; 7. a first bearing; 8. a second bearing; 9. a rim; 10. a third bearing; 11. a fourth bearing; 12. a through cover and 121. A fifth bearing seat; 13. and a fifth bearing.
Detailed Description
The following detailed description is, by way of example, with reference to the accompanying drawings, but the description of the embodiments is not intended to limit the scope of the utility model, and any equivalents of the embodiments in accordance with the inventive concepts described herein are to be regarded as merely formal rather than as essential equivalents.
In the following description, all concepts related to the directions or azimuths of up, down, left, right, front and rear are based on the positions shown in fig. 1, and thus should not be construed as being particularly limited to the technical solutions provided by the present utility model.
Example 1
Referring to fig. 1, 2 and 4, the present utility model relates to a reduction gearbox for a construction hoist, the reduction gearbox is connected with a motor 1 and driven by the motor 1, the reduction gearbox comprises a box body 2, a primary reduction mechanism 3 and a secondary reduction mechanism 4 which are arranged in the box body 2, a transmission shaft 5 for transmitting the torque of the primary reduction mechanism 3 to the secondary reduction mechanism 4, an output shaft 6 for outputting power, a first bearing 7 and a second bearing 8 for supporting the transmission shaft 5, a third bearing 10 and a fourth bearing 11 for supporting the output shaft 6, and a motor shaft 101 of the motor 1 extends into the box body 2 and is connected with the primary reduction mechanism 3. The primary reduction mechanism 3 is a gear reduction mechanism and comprises a first gear 31 and a second gear 32 which are meshed with each other, in this embodiment, the first gear 31 and the second gear 32 are preferably helical gears, the first gear 31 is mounted on a motor shaft 101 of a motor, and the second gear 32 is mounted on the transmission shaft 5. The two ends of the transmission shaft 5 are respectively pivoted on a first bearing seat 21 and a second bearing seat 22 in the box body 2 through a first bearing 7 and a second bearing 8 in a rotating way and are used for transmitting the torque of the primary reduction mechanism 3 to the secondary reduction mechanism 4, the transmission shaft 5 can be arranged above or at the bottom in the box body 2, and the transmission shaft 5 is arranged at the bottom in the box body 2 in the embodiment. The end of the drive shaft 5 extending from the first bearing block 21 is provided with a second gear 32. The secondary speed reducing mechanism 4 is a worm and gear speed reducing mechanism and comprises a worm 41 and a worm gear 42 which are meshed with each other, wherein the worm 41 is a thread section directly machined on the transmission shaft 5, and the thread section is meshed with the worm gear 42. The worm wheel 42 is sleeved and fixed on the output shaft 6 through the rim 9 and the key. As shown in fig. 2, the output shaft 6 is pivoted on a third bearing seat 23 and a fourth bearing seat 24 of the box body 2 through a third bearing 10 and a fourth bearing 11 respectively, and sealing components are arranged outside the third bearing 10 and the fourth bearing 11 so as to seal the box body 2.
With continued reference to fig. 1 and 4, the casing 2 is provided with an opening 25 in a casing wall facing one side of the motor 1, the motor shaft 101 of the motor 1 extends into the opening 25, the inside diameter of the opening 25 is larger than the outside diameter of the worm gear 42, the worm gear 42 can be installed into the casing 2 from the opening 25, a slot 211 is formed above the first bearing seat 21, the width of the slot 211 is larger than that of the worm gear 42, the assembly of the worm gear 42 and the rim 9 can enter from the opening 25 and pass through the slot 211, the assembly of the worm gear 42 and the rim 9 is placed in a position with the center line aligned with the center line of the fourth bearing seat 24, the output shaft 6 is installed in the casing 2 and pivoted in the casing 2 through the rim 9 by the rotation of the third bearing 10 and the fourth bearing 11, the casing 2 is sealed by a sealing member, and then the transmission shaft 5, the second gear 32, the first gear 31, other parts such as the motor 1 and the like are installed. Because the worm wheel 42 is installed to enter the box body 2 along the radial direction of the worm wheel 42, the mode that the worm wheel 42 enters the box body 2 from the axial direction in the prior art is changed, the hole larger than the circumferential area of the worm wheel 42 is not required to be processed on the box wall of the box body 2 which is parallel to the circumferential surface of the worm wheel 42, and a large transparent cover for closing the larger hole of the box body is not required to be installed, and only the bearing seat is directly processed on the box body or the small transparent cover is installed, so that the number of parts is reduced, and the overall dimension of the reduction gearbox is reduced.
As shown in fig. 2 and 4, the method for installing an embodiment of a reduction gearbox for a construction elevator according to the present utility model includes the steps of:
s1) placing the assembly of the worm wheel 42 and the rim 9 inside the box body 2 from the box body orifice 25 through the groove 211, so that the assembly of the worm wheel 42 and the rim 9 is placed at a position that the center line of the assembly of the worm wheel 42 and the rim 9 is aligned with the center line of the fourth bearing seat 24, and initially positioning the assembly of the worm wheel 42 and the rim 9;
s2) the output shaft 6 stretches into the box body 2 and penetrates through the shaft hole of the rim 9, a third bearing 10 and a fourth bearing 11 are arranged on the output shaft 6, outer rings of the third bearing 10 and the fourth bearing 11 are respectively arranged on a third bearing seat 23 and a fourth bearing seat 24, and sealing parts are arranged on the outer sides of the third bearing 10 and the fourth bearing 11 in the axial direction so as to seal the box body 2;
s3) the transmission shaft 5 extends into the box body 2 and is meshed with the worm gear 42, a first bearing 7 and a second bearing 8 are arranged on the transmission shaft 5, outer rings of the first bearing 7 and the second bearing 8 are respectively arranged on a first bearing seat 21 and a second bearing seat 22, and a sealing part is arranged on the outer side of the second bearing 8 in the axial direction, so that the box body 2 is sealed;
s4), a second gear 32 is arranged on the shaft end, which is close to the motor side and extends out of the first bearing 7, of the transmission shaft 5;
s5) mounting the first gear 31 on the motor shaft 101 of the motor 1, mounting the motor 1 to the casing 2, and meshing the first gear 31 and the second gear 32, thereby completing the assembly of the reduction gearbox.
In the embodiment, in the step S2), the third bearing 10 may be mounted on the output shaft 6 before the output shaft 6 is mounted in the case 2, and the fourth bearing 11 may be mounted after the output shaft 6 passes through the rim 9, or may be mounted together with the fourth bearing 11 after the output shaft 6 passes through the rim 9, which is preferable in this embodiment.
In the step S3), the second bearing 8 may be mounted on the driving shaft 5 before the driving shaft 5 is mounted in the case 2, and the first bearing 7 may be mounted after the driving shaft 5 is mounted in the case 2, or may be mounted together with the first bearing 7 after the driving shaft 5 is mounted in the case 2, which is preferred in the embodiment.
The sealing member axially outside the bearing may be mounted in time after the corresponding bearing is mounted, or may be mounted together after the secondary reduction mechanism 4, the primary reduction mechanism 3, and the motor 1 are mounted, and in this embodiment, the former is preferable.
Example 2
As shown in fig. 3, this embodiment is different from embodiment 1 in that: the reduction gearbox is also provided with a transparent cover 12, the transparent cover 12 can have the function of being connected with a working machine, for example, can play the function of a flange, a fifth bearing seat 121 capable of being provided with a fifth bearing 13 is processed in the reduction gearbox, the output shaft 6 is respectively pivoted on the fifth bearing seat 121 of the transparent cover 12 and a fourth bearing seat 24 of the box body 2 through the fifth bearing 13 and the fourth bearing 11 in a rotating way, and sealing parts are arranged on the outer sides of the fifth bearing 13 and the fourth bearing 11, so that the box body 2 is sealed.
As shown in fig. 3 and 4, the method for installing the reduction gearbox for the construction hoist according to the present utility model includes the steps of:
s1) placing the assembly of the worm wheel 42 and the rim 9 inside the box body 2 from the box body orifice 25 through the groove 211, so that the assembly of the worm wheel 42 and the rim 9 is placed at a position that the center line of the assembly of the worm wheel 42 and the rim 9 is aligned with the center line of the fourth bearing seat 24, and initially positioning the assembly of the worm wheel 42 and the rim 9;
s2) the output shaft 6 extends into the box body 2 and passes through the shaft hole of the rim 9, a fifth bearing 13 and a fourth bearing 11 are arranged on the output shaft 6, and the outer ring of the fourth bearing 11 is arranged on a fourth bearing seat 24;
s3) sleeving the transparent cover 12 on the outer side of the fifth bearing 13 and fixedly installing the transparent cover with the box body 2, and installing sealing parts on the outer sides of the fifth bearing 13 and the fourth bearing 11 in the axial direction so as to seal the box body 2;
s4) the transmission shaft 5 extends into the box body 2 and is meshed with the worm gear 42, a first bearing 7 and a second bearing 8 are arranged on the transmission shaft 5, outer rings of the first bearing 7 and the second bearing 8 are respectively arranged on a first bearing seat 21 and a second bearing seat 22, and a sealing part is arranged on the outer side of the second bearing 8 in the axial direction, so that the box body 2 is sealed;
s5) a second gear 32 is arranged on the shaft end of the transmission shaft 5, which is close to the motor side and extends out of the first bearing 7;
s6) mounting the first gear 31 on the motor shaft 101 of the motor 1, mounting the motor 1 to the casing 2, and meshing the first gear 31 and the second gear 32, thereby completing the assembly of the reduction gearbox.
In this embodiment, in the step S2), the third bearing 10 may be mounted on the output shaft 6 before the output shaft 6 is mounted in the box, and the fourth bearing 11 may be mounted after the output shaft 6 passes through the rim 9, or may be mounted together with the fourth bearing 11 after the output shaft 6 passes through the rim 9, which is preferable in this embodiment.
In the step S4), the second bearing 8 may be mounted on the driving shaft 5 before the driving shaft 5 is mounted in the box, and the first bearing 7 may be mounted after the driving shaft 5 is mounted in the box 2, or may be mounted together with the first bearing 7 after the driving shaft 5 is mounted in the box 2, which is preferable in this embodiment.
The sealing component on the outer side of the bearing in the axial direction can be installed in time after the corresponding bearing is installed, or can be installed together after the secondary reduction mechanism 4, the primary reduction mechanism 3 and the motor 1 are installed, and the former is preferable in the embodiment.
Claims (10)
1. The utility model provides a reduction gearbox for construction elevator, reduction gearbox drive by motor (1), it includes box (2), arranges in inside one-level reduction gears (3) and two-level reduction gears (4) of box (2), with the torque transmission of one-level reduction gears (3) to two-level reduction gears (4) transmission shaft (5), with power take off's output shaft (6), support first bearing (7) and second bearing (8) of transmission shaft (5), one-level reduction gears (3) including intermeshing first gear (31) and second gear (32), two-level reduction gears (4) including intermeshing worm (41) and worm wheel (42), first gear (31) link to each other with motor (1), second gear (32) install on transmission shaft (5), transmission shaft (5) through first bearing (7) and second bearing (8) rotate pivot and arrange in on first bearing frame (21) and second bearing (22) of box (2) inside, transmission shaft (5) on install worm wheel (41) including intermeshing worm (41) and worm wheel (42), second gear (32) install on bearing (6) through bearing (6). The box (2) set up on the case wall towards motor (1) one side can motor shaft (101) of motor (1) stretch into drill way (25), the internal diameter of drill way (25) be greater than the external diameter of worm wheel (42), first bearing frame (21) on set up groove (211) that the width is greater than worm wheel (42) width.
2. A reduction gearbox for construction elevators according to claim 1, wherein the drive shaft (5) is arranged above or at the bottom of the interior of the box (2).
3. A gearbox for construction elevators according to claim 1, characterised in that the end of the drive shaft (5) extending from the first bearing housing (21) is fitted with a second gear (32).
4. A reduction gearbox for construction elevators according to claim 1, wherein the first gear (31) and the second gear (32) are bevel gears.
5. A gearbox for construction elevators according to claim 1, characterised in that said worm (41) is a threaded section machined directly on the drive shaft (5).
6. A reduction gearbox for construction elevators according to claim 1, wherein the worm wheel (42) is fitted and fixed to the output shaft (6) by means of a rim (9) and a key.
7. A reduction gearbox for a construction hoist according to claim 1, characterized in that the reduction gearbox further comprises a third bearing (10) and a fourth bearing (11), and the output shaft (6) is pivotally arranged on a third bearing seat (23) and a fourth bearing seat (24) of the box body (2) through the third bearing (10) and the fourth bearing (11), respectively.
8. The reduction gearbox for the construction elevator according to claim 7, wherein the reduction gearbox is further provided with a transparent cover (12), the transparent cover (12) can be used for being connected with a working machine, a fifth bearing seat (121) capable of being provided with a fifth bearing (13) is machined in the transparent cover (12), and the output shaft (6) is respectively and rotatably pivoted on the fifth bearing seat (121) of the transparent cover (12) and a fourth bearing seat (24) of the box body (2) through the fifth bearing (13) and the fourth bearing (11).
9. A method of assembling a reduction gearbox for a construction hoist according to claim 7, comprising the steps of:
s1) the assembly of the worm wheel (42) and the rim (9) enters from the orifice (25) of the box body (2) and passes through the groove (211) to be arranged inside the box body (2), so that the assembly of the worm wheel (42) and the rim (9) is arranged at a position of aligning the center line of the assembly of the worm wheel (42) and the rim (9) with the center line of the fourth bearing seat (24), and the assembly of the worm wheel (42) and the rim (9) is initially positioned;
s2) an output shaft (6) stretches into the box body (2) and penetrates through a shaft hole of the rim (9), a third bearing (10) and a fourth bearing (11) are arranged on the output shaft (6), outer rings of the third bearing (10) and the fourth bearing (11) are respectively arranged on a third bearing seat (23) and a fourth bearing seat (24), and sealing parts are arranged on the outer sides of the third bearing (10) and the fourth bearing (11) in the axial direction, so that the box body (2) is sealed;
s3) a transmission shaft (5) stretches into the box body (2) and is meshed with the worm wheel (42), a first bearing (7) and a second bearing (8) are arranged on the transmission shaft (5), outer rings of the first bearing (7) and the second bearing (8) are respectively arranged on a first bearing seat (21) and a second bearing seat (22), and a sealing part is arranged on the outer side of the second bearing (8) in the axial direction, so that the box body (2) is sealed;
s4), a second gear (32) is arranged on the shaft end, which is close to the motor side, of the transmission shaft (5) and extends out of the first bearing (7);
s5) a first gear (31) is arranged on a motor shaft (101) of the motor (1), the motor (1) is arranged on the box body (2), and the first gear (31) and the second gear (32) are meshed, so that the assembly of the reduction gearbox is completed.
10. A method of assembling a reduction gearbox for a construction hoist according to claim 8, comprising the steps of:
s1) the assembly of the worm wheel (42) and the rim (9) enters from the box opening (25) and passes through the groove (211) to be arranged in the box (2), so that the assembly of the worm wheel (42) and the rim (9) is arranged at a position of aligning the center line of the assembly of the worm wheel (42) and the rim (9) with the center line of the fourth bearing seat (24), and the assembly of the worm wheel (42) and the rim (9) is initially positioned;
s2) an output shaft (6) stretches into the box body (2) and penetrates through a shaft hole of the rim (9), a fifth bearing (13) and a fourth bearing (11) are arranged on the output shaft (6), and the outer ring of the fourth bearing (11) is arranged on a fourth bearing seat (24);
s3) sleeving the transparent cover (12) on the outer side of the fifth bearing (13) and fixedly mounting the transparent cover with the box body (2), and mounting sealing parts on the outer sides of the fifth bearing (13) and the fourth bearing (11) in the axial direction so as to seal the box body (2);
s4) a transmission shaft (5) stretches into the box body (2) and is meshed with the worm wheel (42), a first bearing (7) and a second bearing (8) are arranged on the transmission shaft (5), outer rings of the first bearing (7) and the second bearing (8) are respectively arranged on a first bearing seat (21) and a second bearing seat (22), and a sealing part is arranged on the outer side of the second bearing (8) in the axial direction so as to seal the box body (2);
s5) a second gear (32) is arranged on the shaft end of the transmission shaft (5) which is close to the motor side and extends out of the first bearing (7);
s6) a first gear (31) is arranged on a motor shaft (101) of the motor (1), the motor (1) is arranged on the box body (2), and the first gear (31) and the second gear (32) are meshed, so that the assembly of the reduction gearbox is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910048520.2A CN109654201B (en) | 2019-01-18 | 2019-01-18 | Reduction gearbox for construction elevator and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910048520.2A CN109654201B (en) | 2019-01-18 | 2019-01-18 | Reduction gearbox for construction elevator and installation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109654201A CN109654201A (en) | 2019-04-19 |
| CN109654201B true CN109654201B (en) | 2023-09-26 |
Family
ID=66120135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910048520.2A Active CN109654201B (en) | 2019-01-18 | 2019-01-18 | Reduction gearbox for construction elevator and installation method thereof |
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