RU15987U1 - BUNKER FOR BULK MATERIALS - Google Patents

Description

:; ; 0l; , -j

BUNKER FOR BULK MATERIALS

The utility model relates to devices for the accumulation, storage and unloading of various bulk materials.

A known hopper for bulk materials containing the upper fixed part and the discharge funnel movable relative to the vertical axis, the upper outer part of which is made in the form of a gear rim contacting through the gear system with the gear on the motor shaft, while scrapers interacting with the upper part of the hopper are rigidly mounted the inner surface of the discharge funnel (AS USSR No. 249287, IPC B 65 D 88/64, publ. 06.01.70).

.

The disadvantages of this famous bunker are large

the energy intensity of the process of unloading bulk material, especially caked, associated with the need for long-term rotation of the funnel, and the lack of means to prevent arching of material unloaded from the hopper.

Known feeder bulk materials containing a hopper, located in the lower part of the metering device in the form of a plate with a spherical outer surface, and its mechanism

IPC 65 D 88/54

oscillations with a drive, and the plate oscillation mechanism is made in the form of a curved treadmill mounted on the inner wall of the hopper in the form of a box and the rollers mounted on the spherical surface of the plate mounted in the box, while the edges of the box facing the plate are conjugated with its spherical surface, and the drive is equipped with a cardan joint connected to the plate (AS USSR No. 1743543, МГЖ А 23 N 17/00, В 65 G 65/48, publ. 30.06.92). 2

The disadvantages of this well-known bulk material feeder are the complexity of its design and the high energy intensity of the process of unloading bulk material from the hopper, due to the fact that the plate is under pressure from the loaded hopper of bulk material and considerable effort and energy are required to rotate the plate resting on rollers moving along a curved treadmill.

The closest analogue to the proposed utility model of the known ones is a hopper for bulk materials containing a vertical cylindrical body, an annular shutter mounted coaxially outside in the lower part of the body with the possibility of limited movement on its external surface, a conical bottom and agitators located in the lower part of the annular shutter on its inner surface (AS USSR No. 1546350, IPC B 65 D 88/54, publ. 28.02.90) 3.

This known hopper has a simple design, however, is not effective enough in combating the arching of bulk material in the hopper when it is unloaded, because when opening the annular shutter moves vertically relative to the cylindrical body and, therefore, agitators located on the annular shutter.

also move vertically, notching, but without destroying the resulting arches of bulk material, especially caked.

The objective of the present utility model is to increase the efficiency of preventing the formation of bulk material when unloading it from the hopper by ensuring that agitators move along helical lines when the ring shutter is opened.

The solution to this problem is achieved by the fact that the hopper for bulk materials containing a vertical cylindrical body, an annular shutter mounted coaxially outside in the lower part of the housing with the possibility of limited movement on its outer surface, a conical bottom and agitators located in the lower part of the annular shutter on its inner surface, according to a utility model, is equipped with a guide located along a helical line along the vertical axis of the hopper, and one or not is fixed on the annular shutter How many rollers, mounted with the possibility Mixing Capacity of the guide, the guide is arranged to change the angle of its inclination to the horizontal plane.

The guide can be installed in the lower part of the cylindrical case, in this case the lower end of the guide is pivotally fixed to the case, and its upper end has a roller limiter and is attached to the case with a screw lanyard.

The guide can be mounted on a conical bottom, and the hopper is equipped with a drive for limited rotation of the annular shutter, in this case the lower end of the guide is pivotally mounted on the conical bottom, and its upper end is attached to the conical bottom using a screw lanyard.

In this case, the drive of a limited rotation of the annular shutter may consist of a gear half-ring mounted on the outer surface of the annular shutter and a gear rack mounted on the rod. hydraulic cylinder and interacting with a gear half ring ..

The hopper may be provided with at least one additional guide, it, and the guides should be located symmetrically to the vertical axis of the hopper.

The essence of the utility model is illustrated by drawings, where Fig. 1 shows a sectional view of a hopper for bulk materials; figure 2 - the lower part of the cylindrical body with a guide installed on it; in Fig.3 is a General view of the hopper for bulk materials when installing the guide on the conical bottom; figure 4 is a section aa in fig.Z.

The hopper for bulk materials contains a vertical cylindrical body 1, an annular shutter 2, mounted coaxially outside in the lower part of the housing 1 with the possibility of limited movement on its outer surface, a conical bottom 3 and agitators 4 located in the lower part of the annular shutter 2 on its inner surface. The hopper is provided with a guide 5 located along a helical line along the vertical axis of the hopper, and one or more rollers 6 are mounted on the annular shutter 2, mounted for movement along the guide 5, which is mounted with the possibility of changing its angle of inclination to the horizontal plane.

In the first embodiment of the hopper design (Figs. 1 and 2), the guide 5 is installed in the lower part of the cylindrical body 1. In this case, the lower end of the guide 5 is pivotally

4

mounted on the housing 1, and its upper end has a limiter 7 for moving one or the front of several rollers 6, and is attached to the housing 1 using a screw turnbuckle 8, which carries out regulatory change and fixes the angle of inclination of the guide 5 to the horizontal plane.

In the cover of the housing 1, a loading hole 9 is made, blocked by a shutter (not shown in the drawing). The housing 1 is rigidly connected to the conical bottom 3, for example, by means of a central vertical arm 10 and ribs 11 having the shape of knives. Brackets 12 are mounted on the outer side surface of the housing 1 for gripping the hopper during its transportation, which are also a safety device restricting the movement of the annular shutter 2 in case of breakdown of the roller 6 or the limiter 7 of its movement. An external support flange 13 is mounted on the lower edge of the annular shutter 2 for mounting the hopper on the neck of the loaded container (not shown in the drawing). The annular shutter 2 in the closed position is in contact with the lower edge of the conical bottom 3.

In another embodiment of the hopper (Figs. 3 and 4), the guide 5 is mounted on a conical bottom 3, and the hopper is provided with a drive for limited rotation of the annular shutter 2. In this case, the lower end of the guide 5 is pivotally mounted on the conical bottom 3, and its upper end is attached to the conical bottom 3 using a screw turnbuckle 8, which carries out regulatory change and fixes the angle of inclination of the guide 5 to the horizontal plane. The drive of a limited rotation of the annular shutter 2 consists, for example, of a gear half ring 14 mounted on the outer surface of the annular shutter 2, and

gear rack 15, mounted on nggok 16 hydraulic cylinder 17 and interacting with the gear half ring 14.

The hopper may be provided with at least one additional guide 18. In this case, the guides 5 and 18 should be located symmetrically to the vertical axis of the hopper (figure 4).

The hopper for bulk materials works as follows.

In the first embodiment, the design of the hopper (Figs. 1 and 2), the hopper loaded with bulk material is transported by a conveyor to the place of unloading and is mounted by a supporting flange 13 on the neck of the loaded container. Under the action of the weight of the loaded hopper, the conical bottom 3 of the hopper drops inside the loadable container, and the annular shutter 2 moves upward relative to the bottom 3, rotating on the outer surface of the lowering housing 1, rigidly connected with the conical bottom 3, while the rotation of the annular shutter 2 is set by the guide 5, along which the roller 6 attached to it moves, reaching the stop 7. In the gap formed between the lower edge of the annular shutter 2 and the conical bottom 3, the bulk material is unloaded. At the end of the unloading, the hopper is lifted and removed using a conveyance means. When raising the hopper under the action of its own weight, the annular shutter 2 is lowered to contact with the conical bottom 3.

In the second embodiment of the hopper design (Figs. 3 and 4), it is loaded with loose matsria; the hum hopper is unloaded with the actuator of the limited rotation of the annular shutter 2. By turning on the hydraulic cylinder 17 with its pin 16, the toothed rack 15, which rotates the toothed half ring, and, consequently, the annular shutter 2. Guide 5, which moves the roller 6,

mounted on the annular shutter 2, sets the vertical movement of the annular shutter 2, in which a gap is formed between its lower edge and the conical bottom 3. Through this gap, bulk material is unloaded from the hopper. The rotation of the annular shutter 2 in the case is limited by the stroke length of the rod 16.

In both versions of the hopper design, the size of the gap formed between the lower edge of the annular shutter 2 and the conical bottom 3, and, consequently, the flow rate of the unloaded bulk material is determined by the angle of inclination of the guide 5 to the horizontal plane. The value of this angle of inclination of the guide 5 is regulated and fixed using a screw turnbuckle 8.

Upon opening, the annular shutter 2, moving along the guides 5, rotates on the inner surface of the thiefO1 and thieves 4. In this case, agitators 4, actively acting on the bulk material, loosen it, prevent the formation of bulk material in the unloading hopper and stimulate the outflow of the bulk material through the gap hole of the gap formed between the lower edge of the annular shutter 2 and the conical bottom 3.

The proposed hopper for C1 1 bulk materials has a simple structure and is not difficult to manufacture and operate, and, compared with known analogues, is more effective in preventing the formation of bulk material when it is loaded from the hopper, since it has an active effect on the ring shutter adjacent to the conical bottom and lower edge ci iiiy4cro cargo by loosening them and stimulating the flow of bulk material through the gap hole of the gap.

 f (}

formed between the conical bottom. AUTHORS: APPLICANTS: Samara Institute of Railway Engineers / Vice-Rector for Research Pr Technical

ring shutter edge and

G.M. Tretyakov

B.C. Goryushinsky V.I. Vargunin I.V. Goryushinsky I.I. Kononov P.N. Dobrovolsky

Claims (5)

1. The hopper for bulk materials containing a vertical cylindrical body, an annular shutter mounted coaxially outside in the lower part of the housing with the possibility of limited movement on its outer surface, a conical bottom and agitators located in the lower part of the annular shutter on its inner surface, characterized in that it is equipped with a guide located along a helical line along the vertical axis of the hopper, and one or more rollers mounted with an annular shutter that can be mounted moving along the guide, and the guide is installed with the possibility of changing the angle of its inclination to the horizontal plane.  2. The hopper according to claim 1, characterized in that the guide is installed in the lower part of the cylindrical body, and the lower end of the guide is pivotally mounted on the body, and its upper end has a roller limiter and is attached to the housing with a screw lanyard.  3. The hopper according to claim 1, characterized in that the guide is mounted on a conical bottom, and the hopper is equipped with a drive for limited rotation of the annular shutter, the lower end of the guide being pivotally mounted on the conical bottom and its upper end attached to the conical bottom using a screw lanyard.  4. The hopper according to claim 3, characterized in that the drive of the limited rotation of the annular shutter consists of a gear half-ring mounted on the outer surface of the annular shutter and a gear rack mounted on the hydraulic cylinder rod and interacting with the gear half-ring. 5. The hopper according to any one of paragraphs. 1-4, characterized in that it is provided with at least one additional guide, and the guides are located symmetrically to the vertical axis of the hopper.