CN213169996U

CN213169996U - Trolley walking device for heat treatment furnace

Info

Publication number: CN213169996U
Application number: CN202022147473.8U
Authority: CN
Inventors: 薛松; 高明; 汪鹏; 周洪发
Original assignee: Jiangyin Nangong Forging Co ltd
Current assignee: Jiangyin Nangong Forging Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-05-11
Anticipated expiration: 2030-09-25

Abstract

The utility model relates to a trolley travelling device for a heat treatment furnace, which comprises a trolley body and a travelling mechanism; two ends of the bottom surface of the vehicle body are respectively provided with a support frame; a plurality of rollers are horizontally arranged on the bottom surfaces of the two support frames; baffles are arranged on two sides of each roller and connect the rollers in the same direction together; the walking mechanism comprises a motor; the bottom surface of the vehicle body is provided with a rack box; a rack is fixed in the rack box; two brackets are arranged below the rack box, and a supporting shaft penetrates between the brackets; the supporting shaft is provided with a driven gear; the motor is arranged in front of the driven gear, an output pinion is mounted on an output shaft of the motor, an output gearwheel is meshed with the output pinion, and the output gearwheel is mounted on the supporting shaft. The utility model has the characteristics of stability, security are high, prevent to walk partially, the maintenance of being convenient for etc.

Description

Trolley walking device for heat treatment furnace

Technical Field

The utility model relates to a straight line running gear, in particular to a trolley running gear for a heat treatment furnace.

Background

The car-type heat treatment furnace is widely used in industry due to high production efficiency and low energy consumption. For a car-type heat treatment furnace including a heating furnace and a car at the bottom of the heating furnace, a workpiece to be heat-treated is transported by the car.

In the prior art, a travelling mechanism is installed at the bottom of a trolley and moves along two guide rails on the ground under the traction of the travelling mechanism, and the travelling mechanism comprises wheels on two sides of the trolley and a motor for controlling the wheels to rotate, so that the travelling mechanism moves, and the trolley can enter and exit the heat treatment furnace.

When heat treatment is carried out on large and heavy workpieces, the trolley walks with load, so that the stability of the trolley is poor, the trolley is easy to deviate, and the fault probability is high. Therefore, it is desirable to provide a device capable of stably running a carriage and preventing a running deviation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a platform truck running gear for heat treatment furnace for improve the stability and the security of platform truck, and solve walking inclined to one side problem of platform truck.

In order to achieve the purpose of the utility model, the trolley travelling device for the heat treatment furnace comprises a trolley body and a travelling mechanism;

two ends of the bottom surface of the vehicle body are respectively provided with a support frame; a plurality of rollers are horizontally arranged on the bottom surfaces of the two support frames; baffles are arranged on two sides of each roller and connect the rollers in the same direction together;

the walking mechanism comprises a motor; the bottom surface of the vehicle body is provided with a rack box; a rack is fixed in the rack box; two brackets are arranged below the rack box, and a supporting shaft penetrates between the brackets; the supporting shaft is provided with a driven gear; the motor is arranged in front of the driven gear, an output pinion is mounted on an output shaft of the motor, an output gearwheel is meshed with the output pinion, and the output gearwheel is mounted on the supporting shaft.

Furthermore, the travelling mechanism further comprises a speed reducer, the speed reducer is connected with the motor, and the output pinion is installed on the speed reducer.

Furthermore, the number of the driven gears is two, a partition plate is arranged between the rack boxes, and the two driven gears are respectively meshed with racks on two sides of the partition plate.

Further, the trolley further comprises rails, wherein the rails are arranged on the ground on two sides of the trolley body, and the rollers roll on the rails.

Further, the bottom of the support frame is hollow; the idler wheel is provided with a limiting block, and a limiting groove for accommodating the limiting block is formed in the track.

The working principle is as follows: the utility model discloses a platform truck running gear for heat treatment furnace opens the motor, and the speed reducer output shaft rotates, through output pinion gear engagement output gear wheel for the back shaft begins to rotate, and fixed driven gear also rotates together on the back shaft, thereby drives the platform truck with driven gear meshing's rack box and moves forward, treats that the platform truck is placed to the work piece on, and the motor reverses, and the platform truck gets back to in the heat treatment furnace.

The utility model discloses a platform truck running gear for heat treatment furnace compares with prior art and has following advantage:

(1) the trolley is provided with a plurality of rollers to bear gravity, so that the stability and the safety are greatly improved;

(2) the problem of deviation of the trolley is solved;

(3) simple structure and convenient maintenance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a schematic view showing the position of the cart in the heat treatment furnace;

FIG. 4 is a schematic view of a trolley traveling process;

reference numerals: 1. a vehicle body; 21. a motor; 22. a speed reducer; 23. an output pinion gear; 24. an output gearwheel; 25. a driven gear; 26. a rack box; 27. a support; 28. a support shaft; 31. a support frame; 32. a roller; 33. a baffle plate; 34. a track; 35. and a limiting block.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-2, a trolley traveling device for a heat treatment furnace comprises a vehicle body 1 and a traveling mechanism; two ends of the bottom surface of the vehicle body 1 are respectively provided with a support frame 31, and the length of the support frame 31 is the same as that of the vehicle body 1; a plurality of rollers 32 are horizontally arranged on the bottom surfaces of the two support frames 31, the vehicle body 1 can drive the support frames 31 to move on the rollers 32, and a certain distance is reserved between each roller 32; baffles 33 are arranged on two sides of each roller 32, and the baffles 33 connect the rollers 32 in the same direction together, so that the rollers 32 roll at fixed positions; the rails 34 are arranged on the ground on both sides of the vehicle body 1, and the rollers 32 roll on the rails 34; the supporting frame 31, the plurality of rollers 32 and the rail 34 can reduce the pressure received by the rollers 32, increase the stability of the trolley and reduce the faults;

the travelling mechanism comprises a motor 21 and a speed reducer 22; a rack box 26 is horizontally fixed in the middle of the bottom surface of the vehicle body 1 along the moving direction; a rack is fixed in the rack box 26; two brackets 27 are arranged below the rack box 26, and a support shaft 28 penetrates between the brackets 27; a driven gear 25 is mounted on the supporting shaft 28, and the driven gear 25 is meshed with the rack; the speed reducer 22 is arranged in front of the driven gear 25, the motor 21 is connected with the speed reducer 22, an output pinion 23 is mounted on an output shaft of the speed reducer 22, the output pinion 23 is meshed with an output gearwheel 24, and the output gearwheel 24 is mounted on a support shaft 28; when the driven gear 25 and the rack box 26 are matched to drive the vehicle body 1 to move, because a workpiece is placed on the vehicle body 1, the whole weight of the vehicle body 1 is heavier, the moving speed of the trolley is not too fast, and the rotating speed of the driven gear can be reduced by arranging an output small gear to be meshed with an output large gear.

In this embodiment, the number of driven gears 25 is two, be equipped with the baffle between the rack case 26, two driven gears 25 respectively in the rack of baffle both sides meshes mutually, can effectual increase driven gear's thrust, extension gear life through setting up a plurality of driven gears.

In this embodiment, the bottom of the supporting frame 31 is hollow; be equipped with stopper 35 on the gyro wheel 32, be equipped with the spacing groove that holds stopper 35 in the track 34, at the platform truck removal in-process, the gyro wheel drives the stopper and rolls in the hollow portion and the spacing groove of support frame, prevents that the platform truck from walking partially in the removal.

The utility model discloses application method: as shown in fig. 3-4, when the trolley is in the heat treatment furnace, the motor 21 is started, the output shaft of the speed reducer 22 rotates, the output gear wheel 24 is meshed through the output pinion 23, so that the support shaft 28 starts to rotate, the driven gear 25 fixed on the support shaft 28 also rotates, the rack box 26 meshed with the driven gear 25 drives the trolley to move forwards, and when a workpiece is placed on the trolley, the motor is reversed, and the trolley returns to the heat treatment furnace.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the embodiments disclosed, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention, and such equivalents and substitutions are intended to be included within the scope of the invention as defined by the appended claims.

Claims

1. A trolley travelling device for a heat treatment furnace is characterized by comprising a trolley body and a travelling mechanism;

2. The traveling device of a bogie for a heat treatment furnace according to claim 1, wherein the traveling mechanism further comprises a reduction gear connected to a motor, and the output pinion is mounted on the reduction gear.

3. The trolley traveling device for the heat treatment furnace according to claim 1 or 2, wherein the number of the driven gears is two, a partition is provided between the rack boxes, and the two driven gears are engaged with the racks on both sides of the partition, respectively.

4. The trolley traveling device for a heat treatment furnace according to claim 3, further comprising rails provided on the ground on both sides of the vehicle body, the rollers rolling on the rails.

5. The trolley traveling device for the heat treatment furnace according to claim 4, wherein the bottom of the support frame is hollow; the roller is provided with a limiting block, and a limiting groove is formed in the track.