SU1207907A1 - Device for braking cargo on gravity roller conveyer - Google Patents

Description

one

The invention relates to industrial transport, namely to devices for braking piece goods transported by gravity roller conveyors, and can be used in other gravity conveyors.

The purpose of the invention is to increase the braking efficiency by reducing the speed of the load in two stages and reducing the size of the device.

Fig, 1 shows the device, front view; fig 2 is the same, top view.

Device for The braking system contains frame 1, on which brake main rollers 2 and 3 are mounted, Roller 2 has sections of different diameters. Between the Main rollers. 2 and 3, intermediate rollers 4 and 5 are mounted, while roller 4 is made up of a pain lf1 diameter than roller 5,

The rollers 4 and 5 are mounted respectively on frames 6 and 7 with the help of coaxial axes 8 rotatably. Rollers 6 and 7 are mounted on shafts 9 and 10.

Between the shaft 9 and the frame 6 two springs 11 are installed. The roller 12 mounted on the lever 13 interacts with the frame 6 by means of the levers 14, the levers 13 are mounted on the shaft 9 on the sleeves 15 rotatably. The levers 13 and 14 and the frame 6 are connected in pairs. The other end of the frame 6 ends with an axis 16, on which the adjusting screws 17, which enter the shaft bores 10, are installed, and the frames 7 are installed on the shafts 9 and 10, respectively, with screws 17 ,

The intermediate roller 4 is in contact with the smaller diameter area of the main brake roller 2 and the main brake roller 3. The intermediate roller 5 is in contact with the large diameter of the stepped roller 2 and the main roller 3 of constant diameter. The length of the rollers 4 and 5 is equal. Frame 1 is equipped with bearing rollers 18,

The device works as follows.

Moving away from the main rollers 2 and 3, the intermediate roller 4 does not interfere with their free rotation, and the load continues its further movement at a reduced speed.

After the passage of the load spring

When a load is moving along a gravity conveyor (shown by an arrow in FIG. 1), it hits the roller 3 and 55 c returns the roller 4 to the contact with the given diameter. The position of the load by the rollers 2 and 3, and the cycle is repeated, as shown in FIG. 1, with dashed lines. Such work brake rollers Once on the roller 3, the load at the expense of forces 2 and 3 is possible under the condition equal to

2079072

the friction tends to rotate. At this, roller 3 begins to rotate simultaneously intermediate rollers 4 and 5, since intermediate rollers 4 and 5 of different diameters must respectively rotate at angular speeds with, and OOg. On the other hand, intermediate rollers contact with roller 2, performed stepwise (the intermediate roller 5 of a smaller diameter is in contact with the larger diameter of the roller 2, and the intermediate roller 4 - with a smaller diameter of the roller 2). As a result, the intermediate rollers 4 and 5 should communicate the roller 2 simultaneously

ten

15

:

two angular speeds; Wj

the angular velocity of the roller 3, and s from

personal on speed

But

equal to

H

20

25

thirty

35

40

- 45

50

one body cannot rotate with two angular velocities. Consequently, roller 2 rotates with a difference of two angular velocities co4 and Wj, but this speed is already smaller in magnitude than the angular velocity of roller 3, But since roller 3 contacts the roller 2 through rollers 5 and 4, roller 3 is the same as and the speed of roller 2 and, therefore, roller 3 is inhibited and

the load on roller 3 also slows down, I

As a result, the load falling on the plot 2 (shown in FIG. 1 in continuous thin lines.) Loses its speed on roller 3.

Here, the load closes both main rollers 3, which, in this position, do not rotate at all, since intermediate rollers 4 and 5 prevent this, as a result of which the weight loses speed. Further, with less speed, but still having sufficient kinematic energy, the load falls on roller 12 and by means of levers 13 and 14 removes frame 6 and, accordingly, roller 4 from contact with rollers 2 and 3, the position of load, roller 4 and roller 6 are shown in FIG. 1 schtrich-dashed lines.

Moving away from the main rollers 2 and 3, the intermediate roller 4 does not interfere with their free rotation, and the load continues its further movement at a reduced speed.

- 55 c returns roller 4 to contact with rollers 2 and 3, and the cycle is repeated. Such operation of brake rollers 2 and 3 is possible provided that

After the passage of the load spring

returns roller 4 into contact with ICs 2 and 3, and the cycle repeats; Such operation of brake rollers 3 is possible provided that

312079074

the contact lengths of rollers 4 and 5 with them 2 and 3 are superior to the friction force of the other, and the braking effect is reduced.

five

W

otherwise the strength of the friction of one about rollers

8 7

8 7

18

Compiled In ,, Kanunnikov Editor M, Kelemesh Tehred; L. Mikesh Proofreader B, Blue

158/25

Circulation 833 Subscription

VNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, F - 35, Raushsk nab., 4/5

Branch PPP Patent, Uzhgorod, st. Project, 4

FIG 2

Claims (1)

DEVICE FOR BRAKING LOADS ON A GRAVITY ROLLER CONVEYOR, containing two main brake rollers mounted on the conveyor frame, one of which has sections of different diameters: and intermediate rollers of different diameters mounted on the frame with the ability to interact with the main brake rollers, characterized in that that, in order to increase braking efficiency by reducing the speed of the cargo in two stages and reduce the dimensions of the device, the intermediate rollers are mounted coaxially to one another, while one a larger diameter daily roller is installed with the possibility of interaction with a portion of a smaller diameter of the main brake roller, and another intermediate roller of a smaller diameter with a portion of its larger diameter, while the length of the intermediate rollers is the same. h FIG. 1