CN107399329B - A suspension rail car drive system - Google Patents

Abstract

The invention discloses a suspension type rail trolley driving system, which comprises a trolley box body, a first bracket component and a rail, wherein the trolley box body is suspended below the first bracket component; the first support component comprises a first support body, a front wheel set and a rear wheel set, wherein at least one pair of the front wheel set and the rear wheel set is a driving wheel; the driving wheel drives the trolley box body to move along the rail under the driving of the motor. The driving system realized by the invention has simple structure, and the trolley runs stably and comfortably.

Description

A suspension rail car drive system

technical field

The invention belongs to the technical field of suspended rail trolleys, and in particular relates to a suspension type rail trolley drive system.

Background technique

Due to the rapid development of motor vehicles, energy shortages, high energy prices, increasing urban traffic congestion, and deteriorating urban environment, the rail transit system is internationally recognized as an effective means to deal with the above-mentioned urban traffic problems. Cities with serious traffic congestion in the world, both developed and developing countries, are implementing rail transit systems one after another.

The rail transit mainly used in the existing rail transit system, such as trains and subways, is mainly used to solve long-distance transportation or long-distance transportation in the city, with long construction period and high cost, and is mainly used for trunk line traffic. The applicant proposes a personal express rail system that is applied in the area. It is used for personal express transportation in the area. Generally, several cars are set up on the track. Each car can carry 1-2 passengers. No matter whether it involves rail change or not, passengers do not need to transfer. Passengers choose the destination station, and the car automatically runs to the destination station, realizing the combination of personal rapid transportation needs and the convenience and speed of rail transportation.

SUMMARY OF THE INVENTION

The invention proposes a suspension type rail car driving system, which aims to realize the purpose of making the suspension car run more smoothly and comfortably on the track in the personal rapid rail transit system.

In order to achieve the above purpose, the present invention proposes a drive system for a suspended track trolley, which includes a trolley box, a first bracket assembly, and a track, the trolley box is suspended below the first bracket assembly, and the first bracket assembly is set. Above the track and moving along the track; the first bracket assembly includes a first bracket body, a front wheel set and a rear wheel set, at least one pair of the front wheel set and the rear wheel set is a driving wheel; the driving wheel is in the Driven by the motor, the trolley box body is driven along the track.

Further, the first bracket assembly also includes a steering wheel and a guide wheel set, the steering wheel is arranged above the first bracket body and is connected to the first bracket body through a connecting arm; the guide wheel set includes four guide wheels The wheels are respectively arranged on the four corners of the first bracket body.

Further, the front wheel group of the first bracket assembly is a driving wheel, and the rear wheel group is a driven wheel.

Further, it also includes a second bracket assembly, the second bracket assembly and the first bracket assembly are arranged in tandem and connected by a ball joint; the trolley box is respectively connected to the first bracket assembly and the first bracket assembly through a suspension device. second bracket assembly.

Further, the second bracket assembly includes a second bracket body, a front wheel set and a rear wheel set; at least one pair of the front wheel set and the rear wheel set is a driven wheel.

Further, the front wheel group of the second bracket assembly is a driving wheel, and the rear wheel group is a driven wheel.

Further, a speed reducer is also included, and the speed reducer is coaxially connected to the driving wheel.

Further, the suspension device is a shock absorption device, which is arranged between the trolley box and the first bracket assembly and between the trolley box and the second bracket assembly.

The above-implemented suspension rail trolley drive system realizes the purpose of effectively driving the trolley, reducing shaking and running fast and stable during the suspension operation of the trolley by setting a unique bracket assembly.

Description of drawings

Fig. 1 is the overall schematic diagram of the rail car drive system of the present invention;

Fig. 2 is the overall perspective schematic diagram of the rail car drive system of the present invention;

FIG. 3 is a schematic exploded schematic diagram of the first bracket assembly of the present invention;

FIG. 4 is a schematic exploded schematic diagram of the first bracket assembly of the present invention;

Fig. 5 is the structural schematic diagram of the ball connecting rod of the present invention;

FIG. 6 is a partially enlarged schematic view of the connection between the ball connecting rod of the present invention and the first bracket assembly in FIG. 1;

FIG. 7 is a partial enlarged schematic view of the first bracket assembly of the present invention connected to the trolley box through the shock absorbing device in FIG. 1 .

In the picture:

Detailed ways

In order to clearly illustrate the implementation process and implementation effect of the present invention, the following will be described in detail with reference to the accompanying drawings.

A suspended rail trolley drive system, applied to a personal rapid rail transit system, is an integral part of the personal rapid rail transit system, as shown in Figures 1 and 2, comprising a trolley box 100, the contents of the trolley box It can accommodate 1-2 passengers, or less than 5 people, according to the size of the car box; the first bracket assembly 200, the track, the car box 100 is suspended below the first bracket assembly 200; the first bracket Assembly 200 is positioned over and moves along the track. The rails are rigid rails with small pitches. In order to further enhance the stability and power of the car box, a second bracket assembly 300 corresponding to the structure of the first bracket assembly 200 is provided, and the first bracket assembly 200 and the second bracket assembly 300 are connected through the ball link 400. The body is suspended under the first bracket assembly 200 and the second bracket assembly 300 in a balanced manner, and the ball link 400 can enhance the adaptability of the first bracket assembly 200 and the second bracket assembly 300 to the track.

As shown in FIG. 5 , the ball link 400 includes a rod portion 401 and a ball portion 402 , and the ball portions 402 are distributed at both ends of the rod portion 401 . A ball hole 403 is formed by a hole in the center of the ball portion 402 , and a thread can be provided in the ball hole 403 for connecting with a screw. The connection method between the ball link 400 and the first bracket assembly or the second bracket assembly is shown in the partially enlarged schematic diagram of FIG. 6 , the ball hole 403 of the ball link 400 corresponds to the corresponding connection on the first bracket assembly or the second bracket assembly Then the screw 404 passes through the ball hole 403 and the corresponding connecting hole on the first bracket assembly or the second bracket assembly and is screwed or riveted.

Specifically, as shown in FIG. 3 , the first bracket assembly 200 includes a first bracket body 201 , a front wheel set 202 and a rear wheel set 203 , and at least one pair of the front wheel set 202 and the rear wheel set 203 is The driving wheel; that is, the front wheel group is the driving wheel and the rear wheel group is the driven wheel; or the front wheel group is the driven wheel and the rear wheel group is the driving wheel; or the front wheel group and the rear wheel group are all driving wheels. The drive wheel rotates along the track under the drive of the motor. The motor is arranged in the first bracket body 201, and the motor is powered by the trolley wire parallel to the track to run. In this embodiment, preferably the front wheel set 202 is a driving wheel, and the rear wheel set 203 is a driven wheel. As shown in FIG. 3 , the front wheel set 202 further includes a first driving wheel 2021 and a second driving wheel 2022, the first driving wheel 2021 and the second driving wheel 2022 are connected by a driving wheel shaft 2023, and the driving wheel shaft 2023 passes through The opposite through holes on the first bracket body 201 are used, and then the first driving wheel 2021 and the second driving wheel 2022 are fixed at both ends by connecting pieces such as nuts and washers. As shown in FIG. 4 , the rear wheel set 203 further includes a first driven wheel 2031 and a second driven wheel 2032 . The first driven wheel 2031 and the second driven wheel 2032 are connected to the first bracket body 201 through the driven wheel shaft 2033 . both ends.

The first bracket assembly also includes a steering wheel and a guide wheel set, the steering wheel is arranged above the first bracket body at a position close to the driven wheel, and is connected to the bracket body through a connecting arm, and the steering wheel is used for the track. The traveling direction of the trolley is adjusted during switching; the guide wheel set includes four guide wheels, which are respectively arranged on the four corners of the first bracket body and are used to guide the trolley to move along the track.

The structure of the second bracket assembly 300 corresponds to that of the first bracket assembly 200. The second bracket assembly includes a second bracket body, a front wheel set and a rear wheel set; at least one pair of the front wheel set and the rear wheel set in the second bracket assembly It is a driven wheel, that is, the front wheel set and the rear wheel set can all be driven wheels. In this embodiment, it is preferable that the front wheel set is the driving wheel, and the rear wheel set is the driven wheel.

In order to better control the traveling of the trolley, the drive system of the present invention further includes a reducer. As shown in FIG. 3 , the reducer 500 is coaxially connected to the driving wheel shaft 2023 . And in order to reduce the discomfort caused by the vibration of the car.

The drive system of the present invention further includes a shock absorbing device 600, the shock absorbing device 600 is arranged as a suspension device between the trolley box and the first bracket assembly and between the trolley box and the second bracket assembly, and is close to the position of the driving wheel , so that the weight of the carriage increases the friction between the drive wheel and the track. The connection method between the shock absorber 600 and the trolley box 100 is shown in the partially enlarged schematic diagram of FIG. 7 , the end of the shock absorber 600 is provided with a connecting hole, and the top of the trolley box 100 is provided with a corresponding connection hole, and the connecting shaft passes through the shock absorbing structure The connection hole at the end of the trolley 600 and the connection hole at the top of the trolley box body 100 are used to connect the shock absorber 600 and the trolley box body 100 fixedly.

The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, but are not intended to limit the scope of the rights of the present invention. Any modifications, equivalent substitutions and improvements made by those skilled in the art without departing from the scope and spirit of the present invention shall fall within the right scope of the present invention.

Claims (7)

1. A suspended track trolley drive system, characterized in that: a trolley box body, a first bracket assembly, a second bracket assembly, and a track are included, and the trolley box body is suspended below the first bracket assembly and the second bracket assembly. , the first bracket assembly and the second bracket assembly are arranged above the track and move along the track; the first bracket assembly includes a first bracket body, a front wheel set and a rear wheel set, the front wheel set and the rear wheel set At least one pair is a driving wheel; the driving wheel drives the trolley box to run along the track under the driving of the motor; the second bracket assembly includes a second bracket body, a front wheel group and a rear wheel group; the second bracket assembly At least one pair of the front wheel group and the rear wheel group is a driven wheel; the second bracket assembly and the first bracket assembly are arranged in tandem and connected by a ball joint. 2. The suspension type rail car drive system according to claim 1, wherein the first bracket assembly further comprises a steering wheel and a guide wheel set, the steering wheel is arranged above the first bracket body and is connected by The arm is connected with the first support body; the guide wheel set includes four guide wheels, which are respectively arranged on four corners of the first support body. 3 . The suspension type rail car drive system according to claim 1 , wherein the front wheel group of the first bracket assembly is a driving wheel, and the rear wheel group is a driven wheel. 4 . 4 . The suspension type rail car driving system according to claim 1 , wherein the car box is respectively connected to the first bracket assembly and the second bracket assembly through a suspension device. 5 . 5 . The suspension type rail car drive system according to claim 1 , wherein the front wheel group of the second bracket assembly is a driving wheel, and the rear wheel group is a driven wheel. 6 . 6 . The suspension type rail car drive system according to claim 1 , further comprising a speed reducer, which is coaxially connected to the drive wheel. 7 . 7 . The suspension type rail car driving system according to claim 4 , wherein the suspension device is a shock absorbing device, which is arranged between the car box and the first bracket assembly and between the car box and the second bracket assembly. 8 . between.

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