DE102011116827A1 - Device for supplying liquid manure to pump in liquid manure tank car, has electromotor which is arranged for driving the cutting platform and suction accelerator - Google Patents

Abstract

The device (17) has cutting platform (29) and suction accelerator (25) which are arranged separately with respect to each other in a housing (19). The electromotor (32) is arranged for driving the cutting platform and suction accelerator. A drive axle (26) is provided with cutting platform and suction accelerator. A perforated plate (24) is arranged in the housing portion (22) of housing. The inlet opening (39) and suction port (20) are arranged in housing.

Description

The invention relates to a device for supplying in particular manure to a pump according to the preamble of claim 1.

For the transport of manure this is filled in tankers, especially slurry tankers, and driven with these to the site. At the site, the manure or the like is discharged either from the same slurry tanker or another slurry tanker. In the latter case takes place at the site, preferably at the edge of the field, a pumping around the manure. Since the receiving volume of slurry tanker steadily increases, the time required for the filling of the slurry tanker is extended to the same extent. To keep this time as low as possible, the liquid manure is pumped into the slurry tanker with powerful pumps. In order to reduce the filling time, so-called pump accelerators or suction accelerators, which support the pumping action of the pump, are used.

In many cases there are solids-like foreign bodies in the manure, which can lead to a reduction of the pumping capacity, but in extreme cases also to damage to the pump and / or the suction accelerator. To prevent this, the pump, in particular the suction accelerator, a cutter assigned. This cutting unit is used to crush added additives of manure, such as straw or the like, but also accidentally fallen into the slurry solids such as wood or small stones before they get into the pump. In addition, the flow properties of the manure are improved. This leads to a more efficient operation of the pumping system and to a faster and more effective filling of the slurry tanker.

Usually, such Saugbeschleuniger and cutting units are assigned to a pump in front of the filler neck of the tanker. In this case, the Saugbeschleuniger and the cutting unit can be assigned directly to the manure tanker or be coupled as separate units to the manure tanker. Since both the suction accelerator and the cutting unit is assigned a separate drive, these units of cutting unit and pump accelerator are quite large. This makes the arrangement directly on slurry tankers very impractical. Furthermore, the use of two separate drives for cutting unit and suction accelerator causes high costs.

The object of the present invention is to provide a space-saving compact and inexpensive device with a cutting unit and a suction accelerator for the simple and rapid supply of manure in a Güllenankwagen.

An apparatus for achieving this object has the features of claim 1. Accordingly, the cutting unit and the suction accelerator have a common drive. Due to the common drive for the cutting unit and the suction accelerator, the device is very compact. By saving a drive, the device is also inexpensive.

Further, the invention provides that the cutting unit and the suction accelerator are arranged coaxially one behind the other, preferably, the suction accelerator is arranged in the flow direction of the manure behind the cutting unit. The fact that the cutting unit and the Saugbeschleuniger the same axis is assigned, both can also be operated via a common drive. It is particularly advantageous that the cutting unit is arranged in the flow direction of the manure in front of the suction accelerator. Thus, solids are crushed or eliminated before they can get into the suction accelerator and cause damage there.

A particular embodiment of the invention is characterized in that the cutting mechanism and the suction accelerator have a common drive axle. The fact that the cutting unit and the suction accelerator are driven by one and the same axis, the device is also compact and inexpensive. Above all, the susceptibility is reduced by the common drive axle and simplifies the maintenance of the device.

Further, it is preferably provided that the common drive of the cutting unit and the Saugbeschleunigers is a hydraulic or an electric motor. The energy sources for such engines are usually present on the slurry tanker or the towing vehicle.

It is further provided that the cutting unit and the Saugbeschleuniger are arranged in a common housing, which preferably consists of two connected housing parts, wherein the individual housing parts are each assigned to the cutting unit and the Saugbeschleuniger. The fact that the housing parts are connected together and thus form a common housing, the only drive axle can be easily stored in the housing.

A further, particularly advantageous embodiment of the invention provides that the housing parts are connected to one another by a perforated plate. The perforated plate can be round, though also have all other conceivable openings. Before the perforated plate at least one blade of the cutting unit is moved in such a rotating manner that solids are crushed in the slurry and only crushed solids can pass through the openings in the perforated plate in the other housing part.

In addition, it is optionally provided that the common drive axle is composed of several, preferably two axes. The common drive axle of the suction accelerator and the cutting unit can be composed of individual axle segments. Both the suction accelerator and the cutting unit can be assigned to a separate axis. These axles can be coupled together in such a way that together they form the common drive axle. This division of the common drive axle in individual axle parts or stub axle has the advantage of fast and cost-effective replacement in the event of a defect.

Further, it is particularly advantageous that a projecting from the housing end of the common drive axle is assigned the only drive. Characterized in that one end of the common drive axle protrudes from the housing, the drive axle can connect to the drive in a simple manner. In the event that the drive must be replaced, it is easily accessible outside the housing at any time.

A further, particularly advantageous embodiment of the invention provides that the housing has at least one inlet opening and at least one outlet opening for the liquid manure, wherein the inlet opening and / or the outlet opening are offset parallel to the drive axis. Through the inlet opening of the housing, the manure can be pumped into the housing and thus supplied to the device. The manure leaves the device again through the outlet opening. Between the inlet opening and the outlet opening, the slurry passes through the cutting unit and is accelerated by the suction accelerator. Characterized in that at least the inlet opening is offset parallel to the drive axis, the entering into the housing slurry does not hit directly on the cutting unit.

It is further provided according to the invention that the housing, preferably the housing part of the cutting unit, a collecting space is assigned for foreign bodies to Beisipel. Solids crushed by the cutter fall into the containment area. But also large solids that are not crushed or shredded, accumulate in front of the cutting unit in the collecting space. The collecting space has a flap in the housing over which the collecting space can be emptied.

A preferred embodiment of the invention will be explained in more detail with reference to the drawing. In this show:

1 a perspective view of a slurry tanker with a device with a cutting unit and a suction accelerator,

2 a perspective and partially sectioned view only of the device with cutting unit and suction accelerator, and

3 a view of the device of 2 in front of a pump.

In order to transport manure from one place, usually the place of filling, to another place, preferably the place of discharge, the liquid manure is pumped 41 in a slurry tanker 10 pumped. To fill the manure tanker 10 to accelerate and the pump 41 to protect the pump 41 upstream of a device that accelerates the slurry flow and solid in the manure, such as pieces of wood, small stones or the like, crushed.

The Indian 1 Slurry tankers shown 10 is in principle designed as a tandem trailer. The manure tanker 10 has a chassis 11 with four wheels in the embodiment shown 13 , On the chassis 11 is a slurry tank 12 arranged for receiving the manure. The chassis 11 has a front trailer hitch 14 , with which the manure tanker 10 can be coupled to a tractor, not shown. The slurry tanker can also be designed in other ways, for example by arranging the manure tank 12 on the chassis of a truck or as a multi-axle slurry trailer.

The manure tanker 10 points to fill the manure tank 12 the pump 41 on that stuck with a front part 15 of the chassis 11 connected is. The pump shown 41 is designed as a positive displacement pump. However, other pumps suitable for manure can also be used. In the pumping or inflow direction of the slurry is in front of the pump 41 the device according to the invention 17 with a cutting unit 29 and a suction accelerator 25 arranged. Also the device 17 is on the chassis 11 attached to the manure tanker. For filling the manure tanker 10 the manure is in flow direction 21 through a supply line 18 the device 17 fed. Through a pipe-like connection, the manure passes from the device 17 to the suction side of the pump 41 , From the pump 41 the liquid manure is put into the manure tank 12 of the slurry tanker 10 promoted, namely pressed.

For filling the slurry tanker 10 becomes the supply line 18 detachably connected to an inflow of the device 17 coupled. About a flange having an outlet opening 20 is the device 17 connected to one to the pump 41 leading tubular feeder 16 ,

In the 2 is the device 17 with the cutting unit 29 and the suction accelerator 25 shown in detail. The cutting unit 29 and in the flow direction of the slurry through the device 17 subsequent suction accelerator 25 are in a common housing 19 arranged, which represents a closed space, in which the manure through the entrance opening 39 flows in and over the outlet opening 20 flows. The housing 19 consists of two housing parts 22 and 44 each with a surrounding a central opening ring 23 , The two housing parts 22 and 44 are over their flange-like rings 23 fluid-tightly connected. The rings 23 surrounding central opening between the housing parts 22 and 44 is with a perforated plate 24 to form a fixed part of the cutting unit 29 Mistake. The perforated plate closes 24 the opening between the housing parts 22 and 44 , Only through holes in the perforated plate 24 are the two housing parts 22 and 44 still connected.

The front housing part 44 is the cutting unit 29 assigned. In the underlying cylindrical housing part 22 is the suction accelerator 25 , The cutting unit 29 and the coaxial behind it suction accelerator 25 are on a common axis 26 stored, extending through both housing parts 22 and 44 extends through and centrally through both housing parts 22 and 44 runs. The axis 26 that has a common drive axis of both the suction accelerator 25 as well as the cutting unit 29 represents perpendicular to the plane of the rings 23 , on the two housing parts 22 and 44 connected to each other. The axis 26 is on opposite ends of the housing 19 stored, on the one hand on the housing part 44 and on the other hand, on the housing part 22 , The axis 26 is liquid-tight through the end face of the rear housing part 22 passed through, leaving a free end to drive both the cutting unit 29 as well as the suction accelerator 25 serving axis 26 backwards out of the case 19 protrudes.

The suction accelerator 25 has a flywheel 27 on, in the embodiment shown four wings 28 assigned. The suction accelerator 25 but can also have a larger or smaller number of wings 28 exhibit. The four wings in the present case 28 are each at a 90 ° angle to the flywheel 27 attached. This attachment is done in such a way that the wings 28 perpendicular to the flywheel 27 are aligned. The wings 28 are sized so that they with a small gap spacing on the inner circumferential surface of the cylindrical housing part 22 walk along. As a result, the wings rotate 28 with the flywheel 27 in the cylindrical housing part 22 ,

In the flow direction of the manure through the device 17 seen in front of the perforated plate 24 the cutting unit 29 arranged. This is located in the housing part 44 , The cutting unit 29 consists of the fixed between the housing parts 22 and 44 attached perforated plate 24 and a knife rotor 30 in the embodiment shown has three wings, which are arranged at an angle of 120 ° to each other. The knife rotor 30 is like the flywheel 27 of the suction accelerator 25 also on the axis 26 stored. As a result of serving as the drive shaft axis 26 both the knife rotor 30 of the cutting unit 29 as well as the flywheel 27 with the wings 28 of the suction accelerator 25 driven in rotation. Each of the three blades of the knife rotor 30 is with a cutting knife 31 Mistake. The cutting unit 29 thus has three cutting blades 31 when turning the knife rotor 30 in the flow direction of the manure through the device 17 seen in front of the perforated plate 24 move along, under attachment to the housing part 44 associated side of the perforated plate 24 , The flywheel 27 with the wings 28 of the suction accelerator 25 and the equiaxed knife rotor 30 of the cutting unit 29 be in the illustrated embodiment of the one continuous axis 26 driven jointly rotating. However, the cutting unit can 29 and the suction accelerator 25 Also be associated with separate axes, which are, however, interconnected so that they have a common axis of rotation for simultaneous drive of the cutting unit 29 of the suction accelerator 25 form.

The from the housing part 22 outstanding free end of serving as a drive axle axis 26 is a preferably of the towing vehicle of the slurry tanker 10 power supplyable drive 32 assigned. In the embodiment shown, this is a hydraulic motor. The invention is, however, not limited thereto. From the drive 32 Both the suction accelerator 25 as well as the cutting unit 29 driven together. Due to the common drive is the speed of the blade rotor 30 and the flywheel 27 with the wings 28 the same.

The second housing part 44 is essentially a cavity. The lower area 33 of the housing part 44 has a catchment room 43 with a single flap 34 on. This flap 34 allows direct access to the collection area by opening 43 of the housing part 44 , but is also tightly closed.

The catchment room 43 of the housing part 44 has a manually operated shut-off valve 38 on. over this shut-off valve 38 can the housing part 44 Liquid or the like can be supplied, or it can slurry or other liquid from the housing part 44 be drained.

By opening the flap 34 the collection room 43 of the housing part 44 can be uncrushed or uncut solids from the housing part 44 be removed.

The upper area 35 of the housing part 44 has a coupling flange 36 with a hose coupling 37 on. With the hose coupling 37 is the supply line 18 for manure, usually a flexible hose, to the housing 19 namely, the front housing part 44 , to be coupled.

In the upper area 35 of the housing part 44 is located at a distance behind the inlet opening 39 a vertical wall, preferably a vertical plate 40 , This ensures that the in the housing part 44 inflowing slurry first against the vertical plate 40 bounces and then in the lower area 33 of the housing part 44 flows. This will prevent the slurry from being directly onto the perforated plate 24 flows in.

For filling the manure tanker 10 with liquid manure, the manure is in the flow direction 21 over the supply line 18 the device 17 fed. About the supply line 18 passing through the hose coupling 37 to the coupling flange 36 of the housing 19 the device 17 coupled, the manure enters the housing part 44 , The manure first bounces against the sheet 40 and then enters the lower area 33 of the housing part 44 ,

By a continuous supply of manure in the housing part 44 fills the housing part 44 with manure. About the drive 32 become the cutting unit 29 and the suction accelerator 25 driven together. The manure in the housing part 44 flows through the perforated plate 24 in the second housing part 22 , Solids that are not readily through the holes in the perforated plate 24 pass through the cutting blades 31 of the cutting unit 29 at the perforated plate 24 crushed, so they either through the perforated plate 24 can pass through or into the collection room 43 of the housing part 22 sink. Solids that can not be crushed also accumulate in the containment space 43 of the first housing part 44 ,

The fact that the solids were crushed or filtered in the manure, the entire device 17 Protected against blockages and mechanical damage.

After the manure and the crushed solids through the perforated plate 24 in the second housing part 22 have occurred, there acts the suction accelerator 25 on the manure. Through the rotating wings 28 the slurry is passed through the device 17 transported. The manure is through the suction accelerator 25 pre-accelerated. In addition, creates a suction effect for the subsequent manure, so that subsequent manure not only from the pump 41 , but also from the suction accelerator 25 through the device 17 is sucked. The through the suction accelerator 25 pre-accelerated manure now passes through the flange of the outlet opening 20 that is directly or in the intermediate tube with the pump 41 is connected, from the device 17 out.

In the foregoing, the device was 17 in the slurry tanker 10 attached state described. The device 17 but can also be arranged stationary. The device 17 then is not on the slurry tanker 10 but stationary at a removal point, for example, a slurry tank. The supply line 18 can then firmly on the inflow of the device 17 be arranged. The outlet opening 20 is then associated with a suction hose which is releasably connected by, for example, a hose coupling to the supply port of the pump 31 at the slurry tanker 10 can be coupled. It is also conceivable, however, both the device 17 as well as the pump 41 Provide stationary. Then the slurry tanker needs 10 also no pump 41 to show more. The slurry then passes after flowing through the device 17 and the pump 41 through one behind the pump 41 Ductable hose for filling the manure tank 12 ,

LIST OF REFERENCE NUMBERS

10

Slurry tankers

11

chassis

12

slurry tank

13

wheel

14

trailer hitch

15

front part

16

supply

17

contraption

18

supply

19

casing

20

outlet opening

21

flow direction

22

housing part

23

ring

24

perforated plate

25

suction accelerator

26

axis

27

flywheel

28

wing

29

cutting

30

knife rotor

31

cutting blade

32

drive

33

lower area

34

flap

35

upper area

36

coupling flange

37

hose coupling

38

shut-off valve

39

inlet opening

40

sheet

41

pump

43

staging area

44

housing part

Claims (10)

Contraption ( 17 ) with a cutting unit ( 29 ) and a suction accelerator ( 25 ) for supplying in particular manure to a pump ( 41 ), characterized in that the cutting unit ( 29 ) and the suction accelerator ( 25 ) a common drive ( 32 ) Assigned. Device according to claim 1, characterized in that the cutting unit ( 29 ) and the suction accelerator ( 25 ) are arranged coaxially behind one another, preferably the suction accelerator ( 25 ) in the flow direction ( 21 ) of manure behind the cutting unit ( 29 ) is arranged. Apparatus according to claim 1 or 2, characterized in that the cutting unit ( 29 ) and the suction accelerator ( 25 ) a common drive axle ( 26 ) exhibit. Device according to one of the preceding claims, characterized in that the common drive ( 32 ) of the cutting unit ( 29 ) and the suction accelerator ( 25 ) is a hydraulic motor or an electric motor. Device according to one of the preceding claims, characterized in that the cutting unit ( 29 ) and the suction accelerator ( 25 ) in a common housing ( 19 ) are arranged, which preferably consists of two connected housing parts ( 22 ), wherein the individual housing parts ( 22 ) the cutting unit ( 29 ) and the suction accelerator ( 25 ) assigned. Device according to one of the preceding claims, characterized in that the housing parts ( 22 ) through a perforated plate ( 24 ) communicate with each other. Device according to one of the preceding claims, characterized in that the common drive axle ( 26 ) is composed of a plurality, preferably two axes. Device according to one of the preceding claims, characterized in that one of the housing ( 19 ) outstanding end of the common drive axle ( 26 ) the drive ( 32 ) assigned. Device according to one of the preceding claims, characterized in that the housing ( 19 ) at least one inlet opening ( 39 ) and at least one exit opening ( 20 ) for the manure, wherein the inlet opening ( 39 ) and / or the outlet opening ( 20 ) offset parallel to the drive axis ( 26 ). Device according to one of the preceding claims, characterized in that the housing ( 19 ), preferably a housing part ( 22 ), a catchment room ( 43 ) is assigned for preferably foreign body.

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