CN220505725U

CN220505725U - Flexible transmission device

Info

Publication number: CN220505725U
Application number: CN202321645119.5U
Authority: CN
Inventors: 张开钧; 冀留庆; 魏永英
Original assignee: Sinosteel Equipment and Engineering Co Ltd
Current assignee: Sinosteel Equipment and Engineering Co Ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2024-02-20
Anticipated expiration: 2033-06-27

Abstract

The utility model discloses a flexible transmission device which comprises a first-stage reduction gear, an intermediate gear and a last-stage reduction gear, wherein the first-stage reduction gear is used for driving the intermediate gear, the intermediate gear is connected with the last-stage reduction gear and used for driving the last-stage reduction gear, and the first-stage reduction gear and the intermediate gear are fixed on the last-stage reduction gear. When the flexible transmission device is used, the primary speed reducer is shunted to the final speed reducer through the intermediate gear, the final speed reducer can also reversely drive the intermediate gear, the intermediate gear drives the primary speed reducer, and rotary driving is realized, so that the transmission efficiency of the flexible transmission device can reach more than 90%, and the transmission efficiency of the flexible transmission device is improved.

Description

Flexible transmission device

Technical Field

The utility model relates to the technical field of transmission devices, in particular to a flexible transmission device.

Background

The sintering and pellet transmission device adopts a semi-suspension flexible transmission device, a motor drives two sets of worm gear and worm gear devices simultaneously, and then gears coaxial with the two sets of worm gears synchronously drive a large gear and a low-speed pinion, the transmission mechanism has the structural characteristics that a transmission chain consisting of the two sets of worm gear and worm gear devices and the two sets of low-speed pinion must keep basically the same transmission phase at any time, the two sets of low-speed pinion must have high consistent shape and position precision, and the requirements for manufacturing, mounting and debugging are very high and slightly inconsistent, so that a worm gear pair may be burnt (glued).

In the running process of the transmission mechanism, once the two sets of worm and gear devices are asynchronous to the driving of the large gear, an abnormal transmission state that one set of worm and gear device drives the large gear in the forward direction and the other set of worm and gear device is driven in the reverse direction by the large gear and is self-locked in a short time is formed, and the running reliability of the system is lower. In order to ensure the basic service performance of the equipment, the requirement on the installation precision of the equipment is high, the installation and adjustment are difficult, and the transmission efficiency is low (about lower than 70 percent) because the intermediate transmission link adopts a structure of split-flow synchronous driving of two sets of worm gear devices.

Therefore, how to improve the transmission efficiency of the flexible transmission device is a technical problem that needs to be solved by those skilled in the art.

Disclosure of Invention

Accordingly, the present utility model is directed to a flexible transmission device for improving the transmission efficiency of the flexible transmission device.

In order to achieve the above object, the present utility model provides the following technical solutions:

a flexible transmission device comprises a primary reduction gear, an intermediate gear and a final reduction gear, wherein the primary reduction gear is used for driving the intermediate gear, the intermediate gear is connected with the final reduction gear and used for driving the final reduction gear, and the primary reduction gear and the intermediate gear are fixed on the final reduction gear.

Optionally, in the above flexible transmission device, the flexible transmission device further includes a driving motor, and the driving motor is connected with the first-stage reduction device and is used for driving the first-stage reduction device.

Optionally, in the flexible transmission device, the first-stage reduction device includes a planetary reducer, and the planetary reducer is connected with the driving motor.

Optionally, in the above flexible transmission device, the flexible transmission device further includes a first shaft body, and the first shaft body is used for connecting the planetary reducer and the intermediate gear.

Alternatively, in the above flexible transmission device, the final reduction device includes a first high-speed gear shaft and a second high-speed gear shaft, and the first high-speed gear shaft and the second high-speed gear shaft are connected with the intermediate gear.

Optionally, in the above flexible transmission device, the final stage reduction device further includes a low-speed gear, the low-speed gear is a hollow gear, and is sleeved on a star wheel spindle of the sintering machine, and the low-speed gear is connected with a first high-speed gear shaft and a second high-speed gear shaft and is used for driving the star wheel spindle to rotate.

Optionally, in the above flexible transmission, the flexible transmission further includes a case, and the final reduction gear and the intermediate gear are disposed inside the case.

Optionally, in the flexible transmission device, the first-stage reduction device further comprises a flange, and the flange is fixed on the box body and used for connecting the last-stage reduction device and the first-stage reduction device.

Alternatively, in the above flexible transmission device, the drive motor and the primary reduction device are arranged outside the case.

When the flexible transmission device provided by the utility model is used, the primary reduction device is shunted to the final reduction device through the intermediate gear, the final reduction device can also reversely drive the intermediate gear, and the intermediate gear drives the primary reduction device to realize rotary driving, so that the transmission efficiency of the flexible transmission device is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a flexible transmission device according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a flexible transmission disclosed in an embodiment of the utility model;

wherein:

intermediate gear 100, planetary reducer 200, first high-speed gear shaft 300, second high-speed gear shaft 301, case 400, flange 500, driving motor 600, first shaft 700, and low-speed gear 800.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without novel efforts, are intended to fall within the scope of this utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top surface", "bottom surface", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the indicated positions or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limitations of the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 and 2, the flexible transmission device disclosed by the utility model comprises a primary reduction gear, an intermediate gear 100 and a final reduction gear, wherein the primary reduction gear is used for driving the intermediate gear 100, the intermediate gear 100 is connected with the final reduction gear and used for driving the final reduction gear, and the primary reduction gear and the intermediate gear 100 are fixed on the final reduction gear. Specifically, when the flexible transmission device is used, the primary speed reducer is split into the final speed reducer through the intermediate gear 100, the final speed reducer can also reversely drive the intermediate gear 100, the intermediate gear 100 drives the primary speed reducer, and rotary driving is realized, so that the transmission efficiency of the flexible transmission device can reach more than 90%, and the transmission efficiency of the flexible transmission device is improved.

In order to optimize the technical scheme, the flexible transmission device further comprises a driving motor 600, and the driving motor 600 is connected with the primary speed reducer and used for driving the primary speed reducer. Specifically, the flexible transmission device provided by the utility model only comprises a driving motor 600, wherein the driving motor 600 drives a first-stage reduction gear, the first-stage reduction gear drives an intermediate gear 100, and the intermediate gear 100 drives a final-stage reduction gear.

It should be noted that, in the prior art, part of the flexible transmission device adopts double motor driving, that is, the flexible transmission device comprises double motors and double primary speed reducers, that is, two sets of motors and primary speed reducers which are driven completely and independently are included, because the two motors are driven, the requirements on the two motors are high, the requirements on the manufacturing and mounting precision of the two primary speed reducers are also high, so that the manufacturing cost is increased, meanwhile, the problem that the driving of the two motors is asynchronous often occurs, the current is overlarge, the load is increased, and therefore, the flexible transmission device is caused to malfunction, stop or stop production. Because the utility model only drives one driving motor 600, the problem of asynchronous driving of a plurality of motors is avoided, and the transmission efficiency of the flexible transmission device is further improved.

In order to optimize the above technical solution, the primary reduction device includes a planetary reducer 200, and the planetary reducer 200 is connected with a driving motor 600. Specifically, the driving motor 600 drives the planetary reducer 200 to operate, and the planetary reducer 200 drives the intermediate gear 100 to rotate and split to the final reduction gear. Because the planetary reducer 200 has the characteristics of small structural size, large output torque, high transmission efficiency, safe and reliable performance and the like, the transmission efficiency of the flexible transmission device can be improved by selecting the planetary reducer 200 for the primary speed reduction device.

In order to optimize the above technical solution, the flexible transmission further includes a first shaft body 700, and the first shaft body 700 is used for connecting the planetary reducer 200 and the intermediate gear 100. Specifically, the driving motor 600 drives the planetary reducer 200 to work, the planetary reducer 200 drives the first shaft 700 to rotate, and the first shaft 700 drives the intermediate gear 100 to rotate and split to the final speed reducer.

Further, the final speed reducer comprises a cylindrical gear reducer, and the cylindrical gear reducer has the characteristics of high bearing capacity, small size, high transmission efficiency, light weight and the like, so that the final speed reducer adopts the cylindrical gear reducer and can improve the transmission efficiency of the flexible transmission device.

In order to optimize the above technical solution, the final reduction device further includes a first high-speed gear shaft 300 and a second high-speed gear shaft 301, and the first high-speed gear shaft 300 and the second high-speed gear shaft 301 are connected with the intermediate gear 100. Specifically, the intermediate gear 100 is simultaneously split to the first high-speed gear shaft 300 and the second high-speed gear shaft 301, and the first high-speed gear shaft 300 and the second high-speed gear shaft 301 are synchronously driven to rotate, so that the first high-speed gear shaft 300 and the second high-speed gear shaft 301 are completely synchronous, and the operation reliability of the flexible transmission device is improved.

In order to optimize the technical scheme, the final speed reduction device further comprises a low-speed gear 800, wherein the low-speed gear 800 is a hollow gear, is sleeved on a star wheel main shaft of the sintering machine, and is connected with the first high-speed gear shaft 300 and the second high-speed gear shaft 301 and used for driving the star wheel main shaft to rotate. When the novel high-speed gear is used, the intermediate gear 100 drives the first high-speed gear shaft 300 and the second high-speed gear shaft 301 to rotate simultaneously, the first high-speed gear shaft 300 and the second high-speed gear shaft 301 drive the low-speed gear 800 to rotate, and the star wheel main shaft of the sintering machine rotates along with the low-speed gear 800 because the low-speed gear 800 is sleeved on the star wheel main shaft of the sintering machine, so that the phenomenon that one set of worm gear and worm device in the prior art drives a large gear (star wheel main shaft) positively and the other set of worm and worm gear device is reversely driven by the large gear (star wheel main shaft) and is in an abnormal transmission state of short-time self-locking is avoided, and the transmission efficiency of the flexible transmission device can be improved.

Further, the box 400, the flange 500, the final-stage reduction gear and the first-stage reduction gear are all suspended on the star wheel main shaft, so that the outer outline size of the flexible transmission device is reduced, and the installation space occupied by the flexible transmission device is reduced.

To optimize the above solution, the flexible transmission further comprises a housing 400, the final reduction and the intermediate gear 100 being arranged inside the housing 400. Specifically, the final speed reducer, the first speed reducer and the intermediate gear 100 are self-organized, and even if a mass accident occurs outside one of the parts, the influence thereof is strictly limited to the local range of the accident part, and the overall safety of the flexible transmission is ensured.

In order to optimize the above technical solution, the primary reduction gear further includes a flange 500, and the flange 500 is fixed to the case 400 and is used for connecting the final reduction gear and the primary reduction gear. Specifically, the case 400 is provided with an installation opening for arranging the flange 500, and when parts are overhauled, maintained or replaced, only the flange 500 needs to be disassembled. When the flexible transmission device is used, the flange 500 is used for fixing the first-stage reduction device to the box body 400 of the last-stage reduction device through the mounting opening, so that the outer outline size of the flexible transmission device is further reduced, and the mounting space occupied by the flexible transmission device is reduced.

In order to optimize the above technical solution, the driving motor 600 and the primary reduction gear are disposed outside the case 400, so as to facilitate installation and maintenance, and further reduce the volume of the case 400 and the outer dimension of the flexible transmission device. Meanwhile, the driving motor 600 is arranged outside the case 400, and a part of civil engineering platform is omitted, thereby leaving a wider operation and maintenance space.

It should be noted that, the present utility model improves the transmission efficiency of the flexible transmission device by implementing the rotation driving of the flexible transmission device, and meanwhile, the cylindrical gear reducer and the planetary reducer 200 are adopted, so that the transmission efficiency of the flexible transmission device can be further improved, the flexible transmission device is tightly arranged, the installation precision is high, and the transmission efficiency of the flexible transmission device can also be improved, so that the transmission efficiency of the flexible transmission device provided by the present utility model can reach more than 90% after data measurement and practical use.

The utility model has the advantages that:

(1) The transmission efficiency of the flexible transmission device is improved;

(2) The installation and the maintenance are convenient;

(3) The volume is smaller, and the occupied space is smaller.

It should be noted that the present utility model may be used in the technical field of transmission devices or other fields. Other fields are any field other than the technical field of the transmission. The foregoing is merely exemplary, and is not intended to limit the application of the flexible transmission device provided by the present utility model.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a flexible transmission, its characterized in that includes one-level decelerator, intermediate gear, final stage decelerator, one-level decelerator is used for driving the intermediate gear, the intermediate gear with final stage decelerator is connected, is used for driving final stage decelerator, final stage decelerator includes first high-speed gear axle, second high-speed gear axle and low-speed gear, first high-speed gear axle with second high-speed gear axle is connected with the intermediate gear, the low-speed gear is hollow gear, the cover is located the star wheel main shaft of sintering machine, low-speed gear with first high-speed gear axle with second high-speed gear axle is connected, is used for driving the star wheel main shaft is rotatory, one-level decelerator with the intermediate gear is fixed in final stage decelerator.

2. The flexible transmission of claim 1, further comprising a drive motor coupled to the primary reduction means for driving the primary reduction means.

3. The flexible transmission of claim 2, wherein the primary reduction comprises a planetary reducer coupled to the drive motor.

4. A flexible drive means as defined in claim 3, further comprising a first shaft for connecting said planetary reducer and said intermediate gear.

5. The flexible transmission of claim 4, further comprising a housing, said final reduction and said intermediate gear being disposed within said housing.

6. The flexible transmission of claim 5, wherein said primary reduction further comprises a flange secured to said housing for connecting said final reduction and said primary reduction.

7. The flexible transmission of claim 6, wherein said drive motor and said primary reduction means are disposed externally of said housing.