CN213444735U

CN213444735U - Monorail trolley

Info

Publication number: CN213444735U
Application number: CN202021374883.XU
Authority: CN
Inventors: 何小龙; 张刚; 陈跃华; 杨尚志
Original assignee: Ningbo University
Current assignee: Ningbo University
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-06-15
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a monorail trolley, comprising a frame, a front wheel carrier, a rear wheel carrier, two front wheels, two rear wheels, a carriage and an overturning protection mechanism, wherein the frame comprises a bottom plate, the overturning protection mechanism comprises a mounting frame, two T-shaped groove wheel sets, a compression spring, a mounting guide pillar, a first adjusting nut and a second adjusting nut, each T-shaped groove wheel set comprises two T-shaped grooved wheels respectively, the middle part of the bottom plate is provided with a through hole, the mounting guide pillar runs through the through hole from top to bottom, the compression spring is sleeved on the mounting guide pillar, the first adjusting nut is mounted on the mounting guide pillar, the bottom end of the compression spring is fixed on the bottom plate, the upper end of the compression spring is fixed on the first adjusting nut, the second adjusting nut is mounted on the mounting guide pillar, and the bottom of; the advantages are that the vehicle can not overturn when turning or receiving transverse force, and can not be blocked with the C-shaped track, the manual coordinated operation process is not needed, the labor cost is low, and the working efficiency is higher.

Description

Monorail trolley

Technical Field

The utility model relates to a dolly especially relates to a monorail trolley.

Background

In factory automation material transportation systems, the transportation of products and parts is increasingly used to single track trolleys. The monorail trolley is mainly used for transporting parts with small size, products and other materials. The automatic material conveying system is provided with a C-shaped track matched with the monorail trolley, traction force is provided through external traction equipment to drive the monorail trolley to run on the C-shaped track, and material conveying is achieved.

The existing monorail trolley generally comprises a trolley box for bearing materials, a trolley frame, a front wheel frame, a rear wheel frame, a dumping protection mechanism, two front wheels and two rear wheels, wherein the front wheel frame and the rear wheel frame are respectively installed at the bottom of the trolley frame, the two front wheels are installed on the front wheel frame in a left-right parallel spaced mode, the two rear wheels are installed on the rear wheel frame in a left-right parallel spaced mode, the trolley box is installed at the top of the trolley frame, the dumping protection mechanism is used for preventing the monorail trolley from being overturned when the monorail trolley turns or is stressed by transverse force, the dumping protection mechanism is composed of two clamping plates, and the two clamping plates. When the monorail trolley runs on the C-shaped track, the two front wheels and the two rear wheels are located in the C-shaped track, the compartment is located above the C-shaped track, and the two clamping plates extend to the left side and the right side of the C-shaped track respectively. When the monorail trolley runs into a turn or inclines to the left or right under the action of transverse force, one clamping plate can be in contact with the side wall of the C-shaped rail, and the C-shaped rail supports the monorail trolley through the clamping plate, so that the monorail trolley is prevented from overturning. However, when the clamping plate is installed on the existing monorail trolley, the installation accuracy between the clamping plate and the C-shaped rail cannot be guaranteed, the clamping plate is easily clamped with the C-shaped rail in the operation process of the monorail trolley, the monorail trolley is prevented from advancing, manual coordination is needed, the labor cost is increased, and the working efficiency is reduced.

Disclosure of Invention

The utility model aims to solve the technical problem that a during operation on C type track, can not take place to overturn when meetting the turn or receiving the transverse force, and can not die with C type track card, do not need artifical coordinated operation process from this, the cost of labor is low, the higher monorail trolley of work efficiency.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a monorail trolley comprises a frame, a front wheel frame, a rear wheel frame, two front wheels, two rear wheels, a wagon box for bearing materials and an overturning protection mechanism for preventing overturning during turning or lateral force, wherein the two front wheels are installed on the front wheel frame in a left-right parallel spaced mode, the two rear wheels are installed on the rear wheel frame in a left-right parallel spaced mode, the wagon box is installed at the top of the frame, the frame comprises a bottom plate, the front wheel frame and the rear wheel frame are installed at the bottom of the bottom plate respectively, the overturning protection mechanism comprises an installation frame, two T-shaped grooved wheel sets, a compression spring, an installation guide pillar, a first adjusting nut and a second adjusting nut, each T-shaped grooved wheel set comprises two T-shaped grooved wheels which are arranged at a front-back spaced mode, the two T-shaped grooved wheels are symmetrically arranged on the left side and the right side of the installation frame, the middle part of the bottom plate is provided with a through hole, the mounting guide pillar vertically penetrates through the through hole, the compression spring is sleeved on the mounting guide pillar, the first adjusting nut is mounted on the mounting guide pillar and positioned above the compression spring, the bottom end of the compression spring is fixed on the bottom plate, the upper end of the compression spring is fixed on the first adjusting nut, the second adjusting nut is mounted on the mounting guide pillar, the bottom of the mounting guide pillar is fixedly connected with the mounting frame, the second adjusting nut is positioned between the bottom plate and the mounting frame, in an initial state, the compression spring is in a compression state, the top of each T-shaped grooved pulley is tangent to the lower end face of the top of the C-shaped rail, and no contact force exists between the top of each T-shaped grooved pulley and the lower end face of the top of the C-shaped rail.

Each front wheel and each rear wheel are respectively realized by adopting a steering wheel. The structure further improves the smoothness of the single-track trolley in turning or lateral force.

The frame further comprises a top plate and a plurality of supporting plates, the supporting plates are arranged at intervals along a circle, each supporting plate is fixed on the bottom plate, the top plate is fixed on the supporting plates and supported, and the carriage is installed on the top plate.

Compared with the prior art, the utility model has the advantages that the toppling protection mechanism is constructed by the mounting frame, the two T-shaped groove wheel sets, the compression spring, the mounting guide pillar, the first adjusting nut and the second adjusting nut, each T-shaped groove wheel set respectively comprises two T-shaped grooved wheels which are arranged at intervals in the front and back, the two T-shaped groove wheel sets are symmetrically arranged on the left side and the right side of the mounting frame, the middle part of the bottom plate is provided with a through hole, the mounting guide pillar penetrates through the through hole from top to bottom, the compression spring is sleeved on the mounting guide pillar, the first adjusting nut is arranged on the mounting guide pillar and positioned above the compression spring, the bottom end of the compression spring is fixed on the bottom plate, the upper end of the compression spring is fixed on the first adjusting nut, the second adjusting nut is arranged on the mounting guide pillar, the bottom of the mounting guide, when the utility model runs in the C-shaped track, when the track car turns or is applied with a transverse force, the frame inclines leftwards or rightwards, when the track car inclines leftwards, the contact force between the two T-shaped grooved wheels on the right side and the lower end face of the top of the C-shaped track is increased, when the mounting guide pillar is applied with a downward acting force to move downwards or has a tendency of moving downwards, the restoring force of the compression spring can counteract the contact force between a part of the two T-shaped grooved wheels and the lower end face of the top of the C-shaped track, the contact force between the two T-shaped grooved wheels and the lower end face of the top of the C-shaped track is prevented from falling down, so that the friction force is prevented from rising due to overlarge contact force, the track car is blocked, when the track car turns or is applied with a transverse force disappears, the compression spring restores to an initial compression state, so that the contact force between the T-shaped grooved wheels and the lower end face of the top of the C-shaped track returns, when the installation guide post inclines rightwards, the contact force between the two T-shaped grooved wheels on the left side and the lower end face of the top of the C-shaped track is increased, at the moment, the installation guide post is downward moved or has a downward moving trend under the action of a downward acting force, the restoring force of the compression spring can offset the contact force between a part of the two T-shaped grooved wheels and the lower end face of the top of the C-shaped track, the phenomenon that the contact force between the two T-shaped grooved wheels and the lower end face of the top of the C-shaped track is too large to cause the rise of friction force when the installation guide post is prevented from toppling over is avoided, the track trolley is blocked in operation, when the installation guide post turns or is subjected to transverse force, the compression spring is restored to an initial compression state, the contact force between the T-shaped grooved wheels and the lower end face of the top of the C-shaped track is restored to zero, therefore, the, through the cooperation of T shape sheave, mounting bracket, installation guide pillar and pressure spring, when moving on C type track, can not take place to overturn when meetting the turn or receiving the transverse force, and can not die with C type track card, do not need artifical coordinated operation process from this, the cost of labor is low, and work efficiency is higher.

Drawings

FIG. 1 is a diagram of the usage state of the monorail trolley of the utility model in the C-shaped track;

fig. 2 is a partially exploded view of the monorail trolley of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Example (b): as shown in the figure, the monorail trolley comprises a trolley frame, a front trolley frame 1, a rear trolley frame 2, two front wheels 3, two rear wheels 4, a trolley box (not shown in the figure) for bearing materials and a dumping protection mechanism for preventing the trolleys from overturning when turning or receiving transverse force, wherein the two front wheels 3 are parallelly arranged on the front trolley frame 1 at intervals from left to right, the two rear wheels 4 are parallelly arranged on the rear trolley frame 2 at intervals from left to right, the trolley box is arranged at the top of the trolley frame, the trolley frame comprises a bottom plate 5, the front trolley frame 1 and the rear trolley frame 2 are respectively arranged at the bottom of the bottom plate 5, the dumping protection mechanism comprises an installation frame 6, two T-shaped grooved pulley 11 groups, a compression spring 7, an installation guide pillar 8, a first adjusting nut 9 and a second adjusting nut 10, each T-shaped grooved pulley 11 group respectively comprises two T-shaped grooved pulleys 11 which are arranged at intervals from front to back, the two, the middle part of the bottom plate 5 is provided with a through hole, an installation guide pillar 8 penetrates through the through hole up and down, a compression spring 7 is sleeved on the installation guide pillar 8, a first adjusting nut 9 is installed on the installation guide pillar 8 and located above the compression spring 7, the bottom end of the compression spring 7 is fixed on the bottom plate 5, the upper end of the compression spring 7 is fixed on the first adjusting nut 9, a second adjusting nut 10 is installed on the installation guide pillar 8, the bottom of the installation guide pillar 8 is fixedly connected with the mounting frame 6, the second adjusting nut 10 is located between the bottom plate 5 and the mounting frame, in an initial state, the compression spring 7 is in a compression state, the top of each T-shaped grooved pulley 11 is tangent to the lower end face of the top of the C-shaped.

In the present embodiment, each front wheel 3 and each rear wheel 4 are implemented by a steering wheel, respectively.

In this embodiment, the frame further includes a top plate 12 and a plurality of supporting plates 13, the supporting plates 13 are arranged at intervals along a circle, each supporting plate 13 is fixed on the bottom plate 5, the top plate 12 is fixed on the supporting plates 13 and supported, and the carriage is installed on the top plate 12.

Claims

1. A monorail trolley comprises a frame, a front wheel frame, a rear wheel frame, two front wheels, two rear wheels, a wagon box for bearing materials and a dumping protection mechanism for preventing overturning during turning or lateral force, wherein the two front wheels are installed on the front wheel frame in a left-right parallel spaced mode, the two rear wheels are installed on the rear wheel frame in a left-right parallel spaced mode, the wagon box is installed at the top of the frame, the monorail trolley is characterized in that the frame comprises a bottom plate, the front wheel frame and the rear wheel frame are installed at the bottom of the bottom plate respectively, the dumping protection mechanism comprises an installation frame, two T-shaped grooved wheel sets, a compression spring, an installation guide pillar, a first adjusting nut and a second adjusting nut, each T-shaped grooved wheel set comprises two T-shaped grooved wheels which are arranged at a front-back spaced mode, the two T-shaped grooves are symmetrically arranged at the left side and the right side of the installation frame, the middle part of the bottom plate is provided with a through hole, the mounting guide pillar vertically penetrates through the through hole, the compression spring is sleeved on the mounting guide pillar, the first adjusting nut is mounted on the mounting guide pillar and positioned above the compression spring, the bottom end of the compression spring is fixed on the bottom plate, the upper end of the compression spring is fixed on the first adjusting nut, the second adjusting nut is mounted on the mounting guide pillar, the bottom of the mounting guide pillar is fixedly connected with the mounting frame, the second adjusting nut is positioned between the bottom plate and the mounting frame, in an initial state, the compression spring is in a compression state, the top of each T-shaped grooved pulley is tangent to the lower end face of the top of the C-shaped rail, and no contact force exists between the top of each T-shaped grooved pulley and the lower end face of the top of the C-shaped rail.

2. The monorail car of claim 1, wherein each said front wheel and each said rear wheel is implemented using a steerable wheel.

3. The monorail trolley of claim 1, wherein the frame further comprises a top plate and a plurality of support plates, the plurality of support plates are arranged at intervals along a circle, each support plate is fixed on the bottom plate, the top plate is fixed on the plurality of support plates and supported by the support plates, and the carriage is mounted on the top plate.