阅读说明：本技术 一种双机驱动电动滚筒 (Double-machine driven electric roller ) 是由 仝桐 沈泓 周土根 翟文波 施凡 施群峰 于 2021-01-12 设计创作，主要内容包括：一种双机驱动电动滚筒,包括滚筒体、设置在所述滚筒体中并带动所述滚筒体转动的减速传动结构,所述减速传动结构具有两个输入端,每个所述输入端均连接有驱动电机。本发明中的电动滚筒,扭矩输出大而筒径小,内部减速结构紧凑,电动滚筒制作难度小,电动滚筒的运输、安装难度系数小,后续配套使用的逆止器等安全机构的体积小、空间占用小。(A double-machine driving electric roller comprises a roller body and a speed reduction transmission structure which is arranged in the roller body and drives the roller body to rotate, wherein the speed reduction transmission structure is provided with two input ends, and each input end is connected with a driving motor. The electric roller has the advantages of large torque output, small diameter, compact internal speed reduction structure, small manufacturing difficulty, small transportation and installation difficulty coefficient, small volume and small space occupation of safety mechanisms such as a backstop and the like which are subsequently matched for use.)

1. The utility model provides a duplex drive electric drum, includes the drum body (1), sets up in the drum body (1) and drive the speed reduction transmission structure (2) of drum body (1) pivoted, characterized in that, speed reduction transmission structure (2) have two inputs, every the input all is connected with driving motor (3).

2. A double-motor-driven motorized pulley according to claim 1, characterized in that the reduction transmission mechanism (2) comprises two high-speed-stage transmission mechanisms (21) respectively connected to the driving motor (3), and a low-speed-stage planetary transmission mechanism (22) disposed between the two high-speed-stage transmission mechanisms (21), wherein an input end of the low-speed-stage planetary transmission mechanism (22) is connected to output ends of the two high-speed-stage transmission mechanisms (21).

3. A twin-drive motorized pulley as claimed in claim 2, characterised in that the number of the low-speed planetary gears (22) is two, and the input end of each low-speed planetary gear (22) is connected to the output end of one of the high-speed planetary gears (21).

4. A double-motor-driven motorized pulley according to claim 3, wherein a transition connection structure (23) is provided between the two sets of low-speed-stage planetary transmission mechanisms (22) for connecting the two sets of low-speed-stage planetary transmission mechanisms (22).

5. A twin-drive motorized pulley as claimed in claim 2, characterised in that the number of low-speed planetary gears (22) is one set, the input of which is connected to the output of both high-speed gears (21).

6. A double-drive motorized pulley according to claim 2, characterized in that the low-speed-stage planetary transmission mechanism (22) comprises a low-speed-stage sun gear (221), a low-speed-stage planet carrier (222), a low-speed-stage planet gear (223) arranged on the low-speed-stage planet carrier (222), and a low-speed-stage output ring gear (224) meshed with the low-speed-stage planet gear (223).

7. A double-drive motorized pulley according to claim 2, characterized in that the high-speed transmission (21) is a gear reducer.

Technical Field

The invention relates to an electric roller, in particular to a double-machine driven electric roller.

Background

The electric roller is a driving device which is formed by arranging a motor and a speed reducing mechanism in a transmission roller body or only arranging the speed reducing mechanism in the transmission roller body and externally connecting the motor.

In the occasions outside ports, docks, coal plants, aggregate conveying and the like, long-distance belt conveyors with single machine lengths of hundreds of meters or even more than one thousand meters are increasingly adopted due to the advantages of reliability and economy improvement, high conveying efficiency, easiness in full-automatic control, safety and the like. The long-distance belt conveyor has long conveying distance and large conveying capacity, and the electric roller needs to output larger driving torque.

At present, the traditional motorized pulley is driven by a single motor, and the motorized pulley driven by the single motor and with high output torque has the following problems: the cylinder diameter is big, and motorized pulley's speed reduction structure is huge, and motorized pulley's the preparation degree of difficulty is big, and motorized pulley transports, and the installation degree of difficulty coefficient increases, in addition, just because the cylinder moment of torsion is big, for guaranteeing safety, specifications such as supporting stopper or low-speed backstop, coupler, overspeed device tensioner are higher even need the customization, and the whole occupation space of complete set is great.

In conclusion, the development of the double-motor driven electric roller which has compact space and can provide high power, is simple, convenient and quick to install has wide prospect.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide the double-motor driven electric roller which has the advantages of large torque output, small cylinder diameter, compact internal speed reduction structure, small manufacturing difficulty of the electric roller, small difficulty coefficient of transportation and installation of the electric roller, small volume and small space occupation of safety mechanisms such as a backstop and the like which are subsequently matched for use.

A double-machine driving electric roller comprises a roller body and a speed reduction transmission structure which is arranged in the roller body and drives the roller body to rotate, wherein the speed reduction transmission structure is provided with two input ends, and each input end is connected with a driving motor.

The electric roller in the technical scheme is synchronously driven by two driving motors, the torque output is large, the diameter of the electric roller is small, correspondingly, the internal speed reduction structure of the electric roller is compact, the manufacturing difficulty of the electric roller is small, and the transportation and installation difficulty coefficients of the electric roller are small; and just because the drive torque is provided by two drive motors together, the actual output torque of each motor is relatively smaller compared with the drive torque provided by a single motor, and therefore, the present application can allow the matching use of conventional safety mechanisms, such as a brake, a low-speed brake, a coupler, a tensioning device and the like, which are not required to be customized, to ensure the safety performance of the motorized pulley.

Preferably, the speed reduction transmission structure comprises two high-speed stage transmission mechanisms respectively connected with the driving motor and a low-speed stage planetary transmission mechanism arranged between the two high-speed stage transmission mechanisms, and the input end of the low-speed stage planetary transmission mechanism is connected with the output ends of the two high-speed stage transmission mechanisms.

Preferably, the number of the low-speed stage planetary transmission mechanisms is two, and the input end of each low-speed stage planetary transmission mechanism is connected with the output end of one high-speed stage transmission mechanism.

Preferably, a transition connection structure for connecting the two low-speed stage planetary transmission mechanisms is arranged between the two low-speed stage planetary transmission mechanisms.

Preferably, the number of the low-speed stage planetary transmission mechanisms is one, and the input ends of the low-speed stage planetary transmission mechanisms are simultaneously connected with the output ends of the two high-speed stage transmission mechanisms.

Preferably, the low-speed stage planetary transmission mechanism comprises a low-speed stage sun gear, a low-speed stage planet carrier, a low-speed stage planet gear arranged on the low-speed stage planet carrier, and a low-speed stage output gear ring meshed with the low-speed stage planet gear.

In conclusion, the invention has the following beneficial effects:

1: the two driving motors are used for synchronous driving, the torque output is large, the cylinder diameter is small, accordingly, the internal speed reduction structure of the electric roller is compact, the manufacturing difficulty of the electric roller is small, and the transportation and installation difficulty coefficients of the electric roller are small; and just because the drive torque is provided by two drive motors together, the actual output torque of each motor is relatively smaller compared with the drive torque provided by a single motor, and therefore, the present application can allow the matching use of conventional safety mechanisms, such as a brake, a low-speed brake, a coupler, a tensioning device and the like, which are not required to be customized, to ensure the safety performance of the motorized pulley.

Drawings

FIG. 1 is a schematic diagram of a dual-motor driven electric roller;

fig. 2 is a schematic diagram of another dual-motor driven electric roller.

Detailed Description

The invention will be further explained by means of specific embodiments with reference to the drawings.

Example (b): as shown in fig. 1-2, a dual-machine driven electric roller comprises a roller body 1 and a speed reduction transmission structure 2 disposed in the roller body 1 and driving the roller body 1 to rotate, wherein the speed reduction transmission structure 2 has two input ends, each of the input ends is connected with a driving motor 3, and the two driving motors 3 synchronously rotate to jointly drive the electric roller to rotate, that is, the electric roller is synchronously driven by the two driving motors 3, so that the torque output is large and the diameter of the electric roller is small, accordingly, the internal speed reduction structure of the electric roller is compact, the manufacturing difficulty of the electric roller is small, and the transportation and installation difficulty coefficients of the electric roller are small; and just because the drive torque is provided by two drive motors 3 together, the actual output torque of each motor is relatively smaller than that provided by a single motor, which in turn allows the use of conventional, small, space-consuming, and non-custom safety mechanisms such as brakes, low-speed stops, couplings, tensioners, etc. to ensure the safety of the motorized pulley.

As for the reduction transmission structure 2, specifically, the reduction transmission structure 2 includes two high-speed stage transmission mechanisms 21 respectively connected with the driving motor 3, and a low-speed stage planetary transmission mechanism 22 disposed between the two high-speed stage transmission mechanisms 21, an input end of the low-speed stage planetary transmission mechanism 22 is connected with output ends of the two high-speed stage transmission mechanisms 21, and may be connected with output ends of the high-speed stage transmission mechanisms 21 on both sides, specifically, by a floating structure 24, the floating structure 24 may be specifically a floating sleeve gear which functions as a coupling, and accordingly, the high-speed stage transmission mechanism 21 and the low-speed stage planetary transmission mechanism 22 have an abutting portion connected with the floating sleeve gear, and the abutting portion may be disposed on an output shaft of the high-speed stage transmission mechanism 21 and an input shaft of the low-speed stage planetary transmission mechanism 22, in the reduction transmission structure 2, the high-speed stage transmission mechanism 21 realizes preliminary speed reduction transmission, the low-speed stage planetary transmission mechanism 22 further realizes speed reduction transmission, specifically, the low-speed stage planetary transmission mechanism 22 includes a low-speed stage sun gear 221, a low-speed stage planet carrier 222, a low-speed stage planet gear 223 arranged on the low-speed stage planet carrier 222, and a low-speed stage output ring gear 224 engaged with the low-speed stage planet gear 223, the low-speed stage output ring gear 224 is connected with the drum body 1, and the high-speed stage transmission mechanism 21 may be a gear reducer. As for the number of low-speed stage planetary gear mechanisms 22, in one embodiment, as shown in fig. 1, the number of low-speed stage planetary gear mechanisms 22 is one set, the inputs of which are connected simultaneously to the outputs of both said high-speed stage transmissions 21, and in another embodiment, see figure 2, the number of the low-speed stage planetary transmission mechanisms 22 is two, the input end of each low-speed stage planetary transmission mechanism 22 is connected with the output end of one high-speed stage transmission mechanism 21, in this embodiment, a transitional coupling structure 23 is preferably provided between the two sets of the low-speed stage planetary gear mechanisms 22 to connect the two sets of the low-speed stage planetary gear mechanisms 22, the transitional coupling structure 23 may be a fixing member such as a fixing sleeve, a fixing rod, or the like, which fixedly connects the two sets of the low-speed stage planetary gear mechanisms 22.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.