CN222331413U

CN222331413U - Combined speed-reducing driven winch

Info

Publication number: CN222331413U
Application number: CN202421821913.5U
Authority: CN
Inventors: 吴大文
Original assignee: Hefei Zhongke Yuanhao Information Technology Co ltd
Current assignee: Hefei Zhongke Yuanhao Information Technology Co ltd
Priority date: 2024-07-30
Filing date: 2024-07-30
Publication date: 2025-01-10
Anticipated expiration: 2034-07-30

Abstract

The utility model provides a combined type speed reduction driving winch which comprises an industrial gearbox and a brake motor, wherein a gear shaft is arranged at the power output end of the industrial gearbox and is used as a sun gear, a fourth-stage speed reduction device comprises a planet carrier, a planet wheel and an annular gear, wherein the planet wheel and the annular gear are assembled on the planet carrier, the sun gear extends into the planet carrier to be in meshed connection with the planet wheel, the planet wheel is in meshed connection with the annular gear, one end of the winding drum set extends and wraps the outer part of the fourth-stage speed reduction device, the annular gear is fixed on the inner wall of the driving end of the winding drum set, the industrial gearbox and the fourth-stage speed reduction device with smaller size are combined to still obtain a larger speed reduction ratio, a large-size speed reducer is not needed, the requirement of the small-size large speed reduction ratio is met through structural optimization, and the arrangement requirement of equipment in a narrow area is improved.

Description

Combined speed-reducing driven winch

Technical Field

The utility model belongs to the technical field of windlass, and particularly relates to a combined speed-reducing driven windlass.

Background

The lifting mechanism of the crane drives the winding drum to rotate through the coupler and the speed reducer by the lifting motor, so that the steel wire rope wound on the winding drum drives the lifting hook device to ascend or descend, and the lifting mechanism of the large-tonnage crane adopts an open type winch.

The lifting capacity and the lifting speed determine the electric power of a lifting motor, a large-tonnage crane often requires low-speed and large-torque realization, the reduction ratio of a common 3-level standard industrial gearbox is insufficient, the self weight of the 4-level standard industrial gearbox is increased greatly, the size is huge, the requirements of energy conservation and good economy of crane design are not met, and the crane cannot be installed when the space of a factory building is limited.

Disclosure of Invention

The utility model provides a combined speed reduction driven winch, and aims to solve the problems that the equipment of the existing speed reduction machine with a large speed reduction ratio is large in size and high in cost, and the assembly requirement of the winch in a narrow space environment cannot be met.

The utility model is realized by a combined speed-reducing driven windlass, comprising:

The industrial gearbox and the brake motor are characterized in that a driving wheel is arranged on a power output shaft of the industrial gearbox;

The fourth-stage speed reduction device comprises a planet carrier, a planet wheel and an inner gear ring, wherein the planet wheel and the inner gear ring are assembled on the planet carrier, the driving wheel extends into the planet carrier to be in meshed connection with the planet wheel, and the planet wheel is in meshed connection with the inner gear ring;

The inner gear ring is fixed at one end of the winding drum assembly;

The braking motor generates power which is transmitted to the fourth-stage speed reducer through the power output shaft and finally transmitted to the annular gear, and the annular gear drives the winding drum assembly to rotate around the power output shaft.

Preferably, the planet carrier comprises a primary planet carrier and a secondary planet carrier, and a connecting plate is fixedly connected between the primary planet carrier and the secondary planet carrier.

Preferably, the primary planet carrier is fixed to the body of the industrial gearbox.

Preferably, a plurality of groups of fixed shafts are arranged between the primary planet carrier and the secondary planet carrier, and the planet gears are assembled on the fixed shafts.

Preferably, one end of the winding drum assembly is provided with a mounting groove, and the mounting groove is nested outside the fourth-stage reduction gear.

Preferably, one end of the power output shaft is further provided with a first bearing, a bearing seat is arranged at the center of the mounting groove, and the first bearing is assembled in the bearing seat.

Preferably, the outer wall of the annular gear is fixedly connected with the inner wall of the mounting groove.

Preferably, the centers of the primary planet carrier and the secondary planet carrier are provided with shaft holes for receiving the power output shafts to pass through.

Preferably, the first bearing is provided on a portion of the power take-off shaft passing through the secondary planet carrier.

Preferably, the planet is mounted on the stationary shaft by means of a bearing.

Compared with the prior art, the embodiment of the application has the following main beneficial effects:

According to the combined type speed reduction driving winch, the driving wheel is inserted into the fourth-stage speed reduction device, the driving wheel, the planet wheels and the inner gear ring form the planetary gear train to carry out secondary speed reduction, and the winding drum assembly and the fourth-stage speed reduction device are integrated in structure, so that the requirement on the speed reduction ratio of an industrial gear box is reduced, meanwhile, more equipment volume is not increased, and the equipment investment cost is reduced.

The sleeve structure utilizes the speed reducer with smaller size and the fourth-stage speed reducer to be combined to still obtain a larger speed reduction ratio, does not need to adopt the speed reducer with large size, and meets the requirement of small-size large speed reduction ratio through structural optimization, so that the arrangement requirement of equipment in a narrow area is improved.

Drawings

Fig. 1 is a schematic diagram of a combined speed-reducing driven hoist according to the present utility model.

Fig. 2 is a schematic structural diagram of a fourth-stage reduction gear provided by the utility model.

Fig. 3 is a schematic diagram of the internal structure of the fourth-stage reduction gear provided by the utility model.

Fig. 4 is a schematic view of the internal structure of the fourth stage reduction gear and reel assembly provided by the present utility model.

Fig. 5 is a schematic structural view of a spool assembly provided by the present utility model.

Fig. 6 is a schematic diagram of the structure of the primary planet carrier and the secondary planet carrier provided by the utility model.

Reference numerals illustrate:

100. The device comprises an industrial gearbox, 110, a power output shaft, 120, a driving wheel, 200, a braking motor, 300, a fourth-stage speed reducer, 310, a first-stage planet carrier, 320, a second-stage planet carrier, 330, a first bearing, 340, an annular gear, 350, a planet wheel, 360, a connecting plate, 400, a winding drum assembly, 410, a first connecting end, 420, a second connecting end, 421, a mounting groove, 422 and a bearing seat.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs, the terms used in the description of this application are for the purpose of describing particular embodiments only and are not intended to be limiting of the application, and the terms "comprising" and "having" and any variations thereof in the description of this application and the claims and the above description of the drawings are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

The embodiment of the utility model provides a combined type speed-reducing driven winch, which is shown in fig. 1-6, and comprises:

The industrial gearbox 100 and the brake motor 200, wherein a motor shaft of the brake motor 200 is connected with a power input shaft of the industrial gearbox 100, a power output shaft 110 of the industrial gearbox 100 is provided with a driving wheel 120, and the driving wheel 120 is equivalent to a sun gear;

The fourth-stage reduction gear 300, the fourth-stage reduction gear 300 includes a planet carrier including a primary planet carrier 310 and a secondary planet carrier 320, a planet 350 mounted on the planet carrier, and an inner gear 340, and the planet 350 is disposed between the primary planet carrier 310 and the secondary planet carrier 320. The driving wheel 120 extends into the planet carrier to be in meshed connection with the planet gears 350, and the planet gears 350 are in meshed connection with the inner gear ring 340.

The spool assembly 400, two ends of the spool assembly 400 are respectively a first connecting end 410 and a second connecting end 420, the first connecting end 410 is fixed on the equipment platform through a bearing, and the second connecting end 420 is wrapped on the outer side of the fourth-stage reduction gear 300.

The power generated by the brake motor 200 is transmitted to the power output shaft 110 through the industrial gear box 100 and then transmitted to the reel assembly 400 through the planetary gear 350, the industrial gear box 100 is a three-stage transmission speed reducer device in the prior art, and mainly bears the primary reduction of the rotation speed of the brake motor 200, the driving wheel 120, the planetary gear 350 and the inner gear ring 340 form a planetary gear train, and the secondary reduction is realized by the function of the planetary gear train.

In this embodiment, the brake motor 200 and the industrial gear box 100 are both configured by using the prior art devices, and only the driving wheel 120 is added to the power output shaft 110 of the industrial gear box 100 to serve as the sun gear structure of the fourth-stage reduction device 300. The driving wheel 120, the planet wheel 350 and the inner gear ring 340 form a planetary gear train to perform secondary speed reduction, and the advantages of the planetary gear train are matched through the integration of the inner gear ring 340 and the winding drum assembly 400, so that the requirement on the speed reduction ratio of the industrial gear box 100 is reduced, the sleeve structure still obtains a larger speed reduction ratio by combining a small-size speed reducer with the fourth-stage speed reduction device 300, a large-size speed reducer is not needed, the requirement on the small-size large speed reduction ratio is realized through structural optimization, and the arrangement requirement of equipment in a narrow area is improved.

As a preferred implementation in this embodiment, the planet carriers include a primary planet carrier 310 and a secondary planet carrier 320. A connection plate 360 is fixedly connected between the primary planet carrier 310 and the secondary planet carrier 320.

The planetary gear 350 is assembled between the primary planetary carrier 310 and the secondary planetary carrier 320, the primary planetary carrier 310 is fixed on the body of the industrial gear box 100, the planetary carrier does not rotate during the transmission process, the planetary gear 350 adopts the prior art device, when the transmission wheel 120 extending into the planetary carrier drives the planetary gear 350 to rotate around the fixed shaft, the ring gear 340 can do circular motion around the power output shaft 110 under the transmission effect of the planetary gear 350.

As shown in fig. 6, the primary planet carrier 310 and the secondary planet carrier 320 are similar to two circular ring plates in structure, the connecting plate 360 completes the fixed connection of the primary planet carrier 310 and the secondary planet carrier 320, and the primary planet carrier 310 and the secondary planet carrier 320 are further provided with a plurality of groups of through holes corresponding to each other for arranging a plurality of groups of fixed shafts, the planet gears 350 are assembled on the fixed shafts, the planet carrier itself cannot move, the planet gears 350 assembled on the fixed shafts through the bearing structure can rotate around the fixed shafts, and when the driving wheel 120 positioned in the center of the planet carrier drives the planet gears 350 to rotate, the inner gear ring 340 is driven to synchronously rotate. The purposes of gear transmission and speed reduction are achieved.

As a preferred implementation of the present embodiment, the second connection end 420 of the spool assembly 400 is provided with a mounting groove 421 and a bearing seat 422;

The first bearing 330 is further disposed at one end of the power output shaft 110, and the first bearing 330 is assembled in the bearing seat 422, where the power output shaft 110 provides a supporting force for the spool assembly 400 through the first bearing 330, so as to ensure that the spool assembly 400 is more uniform.

The outer wall of the inner gear ring 340 is assembled in the mounting groove 421, and the inner gear ring 340 will pull the whole drum assembly 400 to rotate synchronously when being rotated under the action of the planet gears 350.

The working principle of the application is as follows:

The power generated by the brake motor 200 is output to the industrial gear box 100, the multi-stage gear structure in the industrial gear box 100 is used for transmission and speed reduction, finally, the torque is output outwards through the power output shaft 110, the tail end of the power output shaft 110 is inserted into the fourth-stage reduction device 300, a planetary gear train is formed with the aid of a planet carrier, a planet wheel 350 and an annular gear 340 which are arranged in the fourth-stage reduction device 300, the power output shaft 110 serves as a sun gear of the planetary gear train for power input, the annular gear 340 is connected with the winding drum assembly 400, the annular gear 340 is used for power output, the torque on the power output shaft 110 is finally transmitted to the winding drum assembly 400 through the annular gear 340 under the action of the planetary gear train principle, the requirement of small-size large reduction ratio is met by additionally arranging the fourth-stage reduction device 300 at one end of the winding drum assembly 400, and the arrangement requirement of equipment in a narrow and small area is improved.

It should be noted that, for simplicity of description, the foregoing embodiments are all illustrated as a series of acts, but it should be understood by those skilled in the art that the present utility model is not limited by the order of acts, as some steps may be performed in other order or concurrently in accordance with the present utility model. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present utility model.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model. It will be apparent that the described embodiments are merely some, but not all, embodiments of the utility model. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the utility model. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present utility model or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present utility model, which also falls within the scope of the present utility model.

Claims

1. A combined speed-reducing driven hoist comprising:

The industrial gearbox (100) and the brake motor (200), wherein a driving wheel (120) is arranged on a power output shaft (110) of the industrial gearbox (100);

The fourth-stage speed reducer (300), the fourth-stage speed reducer (300) comprises a planet carrier, a planet wheel (350) and an inner gear ring (340), wherein the planet wheel (120) extends into the planet carrier to be in meshed connection with the planet wheel (350), and the planet wheel (350) is in meshed connection with the inner gear ring (340);

The reel assembly (400), one end of the reel assembly (400) is wrapped on the outer side of the fourth-stage reduction gear (300), and the annular gear (340) is fixed on the inner wall of one end of the reel assembly (400);

The power generated by the brake motor (200) is transmitted to the fourth-stage reduction gear (300) through the power output shaft (110) and finally transmitted to the annular gear (340), and the annular gear (340) drives the winding drum assembly (400) to rotate around the power output shaft (110).

2. A combined speed reducing driven hoist as claimed in claim 1, characterized in that the planet carrier comprises a primary planet carrier (310) and a secondary planet carrier (320), and that a connection plate (360) is fixedly connected between the primary planet carrier (310) and the secondary planet carrier (320).

3. A combined reduction driven hoisting machine as claimed in claim 2, characterized in that the primary planet carrier (310) is fixed to the body of the industrial gearbox (100).

4. A combined speed reducing driven hoist as claimed in claim 3, characterized in that between the primary planet carrier (310) and the secondary planet carrier (320) there are also several sets of fixed shafts.

5. A combined reduction driven hoisting machine as claimed in claim 4, characterized in that one end of the drum assembly (400) is provided with a mounting groove (421), said mounting groove (421) being nested outside the fourth-stage reduction means (300).

6. A combined speed reducing driven hoist as claimed in claim 5, characterized in that the power take-off shaft (110) is provided at one end with a first bearing (330), the mounting groove (421) is provided at the center with a bearing housing (422), and the first bearing (330) is fitted in the bearing housing (422).

7. A combined speed reducing driven hoist according to claim 5, characterized in that the outer wall of the ring gear (340) is fixedly connected with the inner wall of the mounting groove (421).

8. A combined speed reducing driven hoist as claimed in claim 6, characterized in that the primary and secondary planetary carriers (310, 320) are provided at their centers with shaft holes for receiving the power take-off shaft (110) therethrough.

9. A combined speed reducing driven hoist according to claim 8, characterized in that the first bearing (330) is provided on the part of the power take-off shaft (110) passing through the secondary planet carrier (320).

10. A combined speed reducing driven hoist as claimed in claim 4, characterized in that the planet wheels (350) are mounted on a stationary shaft by means of bearings.