CN210822278U

CN210822278U - Novel traction device

Info

Publication number: CN210822278U
Application number: CN201921661461.8U
Authority: CN
Inventors: 崔进福; 李洛; 朱平平; 李岚; 李莉
Original assignee: Chengdu Xinzhihang Dynamo Electric Technology Research Co ltd
Current assignee: Chengdu Xinzhihang Dynamo Electric Technology Research Co ltd
Priority date: 2019-10-07
Filing date: 2019-10-07
Publication date: 2020-06-23
Anticipated expiration: 2029-10-07

Abstract

The utility model discloses a novel draw gear mainly includes drive mechanism and power unit, its characterized in that: the idler wheels of the traction mechanism are symmetrically installed on the rack through threaded pins and locknuts, the deflection hook is installed on the rack through a step pin, the cushion block is fixedly installed on the rack at a position corresponding to the tail of the deflection hook, the left rail wheel and the right rail wheel are installed on two sides of the rack through a main pin shaft and a bearing, the end covers are fixedly installed on the step pin outside the bearing, the rack installation plate is welded at the bottom of the rack, and the rack is fixedly installed on the rack installation plate; the power mechanism drives the traction mechanism through the speed reducing mechanism and the chain by the motor, and then drives the rail trolley on the assembly line to move forwards through the deflection hook on the traction mechanism. Novel draw device simple structure, reliability height, overhaul convenience, long service life, can adapt to the abominable operating mode of precast concrete goods production line.

Description

Novel traction device

Technical Field

The utility model relates to a novel pull auxiliary device, concretely relates to precast concrete product flow production line draw gear.

Background

In recent years, urban rail transit construction in China is rapidly developed, and by the end of 2015, more than 100 rail transit lines are successively built in 25 cities such as Beijing, Shanghai, Guangzhou and the like, so that rail transit in the future can be expected to occupy more and more important positions in urban transit and become an important mode for people to go out, and the demand of concrete products such as basic prefabricated rail plates and subway prefabricated pipe pieces of rail transit and the like is further expanded.

The production process categories of concrete products such as precast track slabs for high-speed railways, precast segment of subway and the like can be generally divided into two categories: the traditional foundation pit production process and the production line production process. The traditional foundation pit production process is that a mold is placed in a fixed foundation pit in a production workshop, and a large number of workers complete the working procedures of upper mold forming, pouring, maintenance and the like according to the working procedures, so that the labor amount is large, and the production efficiency is low; the assembly line generally leads the mould to regularly walk on the production line according to a certain beat, and the operation of the working procedure is finished by operating equipment and personnel on fixed stations, so that the labor amount is greatly reduced, and the production efficiency is obviously improved, therefore, the assembly line production method can be the mainstream trend of precast concrete products and the like in the future.

At present, the track trolley traction mode is generally adopted on concrete product assembly line production lines such as prefabricated track slabs and subway prefabricated segments by directly driving a hub motor and dragging a hook, the former is expensive in manufacturing cost and inconvenient to maintain, the latter is poor in connection reliability and difficult to unhook, and the assembly line production line is lack of a traction device which is simple in structure, high in reliability and long in service life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, reliability are high, overhaul convenience, long service life to can adapt to the novel draw gear of the abominable operating mode of precast concrete goods production line.

The utility model discloses a realize through following technical scheme: a novel traction device is characterized by comprising a traction mechanism and a power mechanism, wherein idler wheels of the traction mechanism are symmetrically installed on a rack through a threaded pin and a locknut, a deflection hook is installed on the rack through a step pin, a cushion block is fixedly installed on the rack at a position corresponding to the tail of the deflection hook, a left rail wheel and a right rail wheel are installed on two sides of the rack through a main pin shaft and a bearing, an end cover is fixedly installed on the step pin outside the bearing, a rack installation plate is welded at the bottom of the rack, and a rack is fixedly installed on the rack installation plate; the mounting frame is fixedly mounted in the foundation pit, the rail grooves are symmetrically and fixedly mounted on the mounting frame, the left rail wheel and the right rail wheel of the traction mechanism are placed in the rail grooves, and the rollers on two sides of the traction mechanism are in contact with the side walls of the rail grooves; the motor, the speed reducing mechanism and the tensioning mechanism of the power mechanism are fixedly mounted on the mounting frame, the chain is connected with the speed reducing mechanism and the tensioning mechanism through a chain bracket, and meanwhile the chain is connected with the rack at the bottom of the traction mechanism.

Preferably, the rollers are symmetrically installed on the frame of the traction mechanism through the threaded pins and the locknuts, the rollers on two sides of the traction mechanism are in contact with the side wall of the rail groove, the left-right deflection during the walking of the traction mechanism can be prevented, the mechanical clamping generated in the walking process of the traction mechanism is effectively prevented, meanwhile, the friction force between the traction mechanism and the side face of the rail groove can be effectively reduced, the load capacity is reduced, and the service life of the traction mechanism can be prolonged.

Preferably, the through hole that beat couple and step round pin cooperation are connected is eccentric, the beat couple is installed in the frame through the step round pin, and the beat couple can rotate around the step round pin.

Preferably, the cushion block is fixedly arranged on the rack at a position corresponding to the tail of the deflection hook, and the rotation range of the deflection hook around the step pin can be limited.

The utility model has the advantages that: the utility model discloses a novel traction device, its simple structure, reliability are high, overhaul convenient, long service life, can prevent effectively that the mechanism walking process from producing the dead function of mechanical card, can adapt to the abominable operating mode of precast concrete goods production line, provide traction force for the small rail car.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a working section of a novel traction device of the present invention (i.e., a view in direction B of fig. 2);

fig. 2 is a working section of a novel traction device of the present invention (i.e., a view from a in fig. 1);

fig. 3 is a schematic structural view of a traction mechanism of a novel traction device of the present invention;

fig. 4 is a three-view diagram of a traction mechanism of a novel traction device of the present invention;

fig. 5 is a schematic view of the backward operation state of the traction mechanism of the novel traction device of the present invention.

In the figure, 1, a right rail wheel, 2, a left rail wheel, 3, a cushion block, 4, a deflection hook, 5, a rack mounting plate, 6, a rack, 7, a rack, 8, a bearing, 9, a main pin shaft, 10, a threaded pin, 11, a step pin, 12, a roller, 13, an end cover, 14, a pin hole, 15, a locknut, 16, a speed reducing mechanism, 17, a chain, 18, a hanging plate, 19, a chain bracket, 20, a tensioning mechanism, 21, a production line rail, 22, a motor, 23, a rail groove, 24, a mounting frame, 25 a foundation pit, A, a traction mechanism and B, a rail trolley.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the invention to any equivalent structure within the technical framework of the invention.

As shown in fig. 3 and 4, the novel traction device of the present invention is characterized in that the roller (12) of the traction mechanism (a) is symmetrically installed on the frame (7) through the threaded pin (10) and the locknut (15), the deflection hook (4) is installed on the frame (7) through the step pin (11), the through hole for the matching connection of the deflection hook (4) and the step pin (11) is eccentrically arranged, the deflection hook (4) is installed on the frame through the step pin (11), and the deflection hook (4) can rotate around the step pin (11); the cushion block (3) is fixedly arranged on the rack (7) at the corresponding position of the tail part of the deflection hook (4) and can limit the rotating range of the deflection hook (4) around the step pin (11); the left rail wheel (2) and the right rail wheel (1) are installed on two sides of the rack (7) through a main pin shaft (9) and a bearing (8), an end cover (13) is fixedly installed on a step pin (11) on the outer side of the bearing (8), a rack installation plate (5) is welded to the bottom of the rack (7), and a rack (6) is fixedly installed on the rack installation plate (5).

As shown in fig. 1 and 2, the rail trolley (B) is placed on a production line rail (21), the mounting frame (24) is fixedly mounted in a foundation pit (25), rail grooves (23) are symmetrically and fixedly mounted on the mounting frame (24), a left rail wheel (2) and a right rail wheel (1) of the traction mechanism (a) are placed in the rail grooves (23), and rollers (12) on two sides of the traction mechanism (a) are in contact with the side walls of the rail grooves (23), so that left-right deflection during walking of the traction mechanism (a) can be prevented, mechanical jamming in the walking process of the traction mechanism (a) can be effectively prevented, friction between the traction mechanism (a) and the side surfaces of the rail grooves (23) can be effectively reduced, load capacity can be reduced, and the service life of the traction mechanism (a) can be prolonged; the motor (22), the speed reducing mechanism (16) and the tensioning mechanism (20) of the power mechanism are fixedly mounted on the mounting frame (24), the chain (17) is connected with the speed reducing mechanism (16) and the tensioning mechanism (20) through a chain bracket (19), and meanwhile the chain (17) is connected with the rack (6) at the bottom of the traction mechanism.

As shown in fig. 5, when the motor (22) drives the speed reducing mechanism (16) to rotate in the forward direction, the deflection hook (4) in the traction mechanism (a) is hooked on the hanging plate (18) of the small rail car (B), and the small rail car (B) is driven to move forward by the drive of the chain (17); when the motor (22) drives the speed reducing mechanism (16) to rotate reversely, the traction mechanism (A) is driven by the chain (17), the deflection hook (4) automatically breaks away from the hanging plate (18) of the small rail car (B) and retreats towards the tail part of the small rail car (B), when the deflection hook (4) meets the chassis beam of the small rail car (B), the deflection hook (4) can rotate around the step pin (11) to avoid the chassis beam of the small rail car (B), meanwhile, the movable rail trolley can move to the position of a hanging plate (18) of the next rail trolley (B), the tail part of the deflection hook (4) can automatically swing downwards due to eccentric gravity, the front part of the deflection hook (4) automatically tilts upwards, the deflection hook (4) is hung on the hanging plate (18) of the rail trolley (B), the rotating direction of the motor (22) is switched at the moment, and the rail trolley (B) is driven to move to the next working position in the advancing direction. The circulation is repeated in such a way, so that the production rhythm of the assembly line can be realized, and the rail trolley (B) is ensured to be pulled to a preset working position.

While the foregoing specification illustrates and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and may be modified within the scope of the inventive concepts described herein by the above teachings or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A novel traction device is characterized by comprising a traction mechanism and a power mechanism, wherein idler wheels of the traction mechanism are symmetrically installed on a rack through a threaded pin and a locknut, a deflection hook is installed on the rack through a step pin, a cushion block is fixedly installed on the rack at a position corresponding to the tail of the deflection hook, a left rail wheel and a right rail wheel are installed on two sides of the rack through a main pin shaft and a bearing, an end cover is fixedly installed on the step pin outside the bearing, a rack installation plate is welded at the bottom of the rack, and a rack is fixedly installed on the rack installation plate; the mounting frame is fixedly mounted in the foundation pit, the rail grooves are symmetrically and fixedly mounted on the mounting frame, the left rail wheel and the right rail wheel of the traction mechanism are placed in the rail grooves, and the rollers on two sides of the traction mechanism are in contact with the side walls of the rail grooves; the motor, the speed reducing mechanism and the tensioning mechanism of the power mechanism are fixedly mounted on the mounting frame, the chain is connected with the speed reducing mechanism and the tensioning mechanism through a chain bracket, and meanwhile the chain is connected with the rack at the bottom of the traction mechanism.