DE29510115U1 - Brood tray for machine breeding - Google Patents

Description

The invention relates to a hatching tray for the mechanical hatching of eggs of different sizes, which is used both for pre-incubation and for hatching.

It is generally known that trays and plastic trays are used for laying eggs in incubators. These trays are inserted into tray trolleys or tray racks and the eggs are turned by rolling or tilting the tray or plastic tray in the tray trolley or rack.

The task of such a hatching tray is to safely hold the hatching eggs and to guarantee that the hatching eggs, even those of different sizes, are turned properly and are not damaged. It is important that the hatching eggs are in a device that is optimally adapted to their shape.

This is ensured by the tilting and turning process by placing the hatching eggs in the appropriate form-fitting recesses in the plastic trays so that they cannot fall out.

In the rolling-turning process, each individual egg is rolled around its longitudinal axis. This is done on trays that are equipped with rolling rods on which the eggs lie. The rolling rods are rotated by hand or by machine, and thus the eggs are also turned.

The German utility model G 8617 367.7 has made known corresponding hatching trays with a rolling turning device, in which rolling rods are mounted in the hatching trays, which have a smooth surface and the distance between the axles can be changed for different egg sizes by changing them in the tray frame. This design has the disadvantage that the hatching eggs wander on the rolling rods due to the rolling and their non-spherical shape.

Furthermore, an egg turner is known from German patent specification No. 45 97 45, in which the hatching eggs lie on rollers provided with constrictions in order to prevent longitudinal migration.

Although this design prevents the hatching eggs from moving, it has a fixed capacity depending on the number of constrictions per rod. In order to achieve optimum utilization of the tray, rolling rods made to measure for each egg size would have to be used.

It is therefore the object of the present invention to develop a hatching tray for the mechanical incubation of eggs of all poultry species, even without transfer between the pre- and hatching trays, in which hatching eggs of different sizes and numbers can be incubated, whereby each individual egg has a defined egg place, lies securely and cannot leave this place on its own. The eggs can be turned properly at the necessary turning angle and undesirable uprighting or collision of the hatching eggs is prevented. Without replacing individual parts of the tray, the individual egg places can be adapted to the respective egg sizes, so that the highest variability is achieved with defined, safe egg places.

The object is achieved by a device of the type described at the outset, which according to the invention is characterized by the features of the characterizing part of claim 1.

Further features and advantages of the invention emerge from the description and the embodiments, which are also the subject of subclaims.

With the device according to the invention, an incubation tray for the mechanical hatching of eggs of all types of poultry was created, which is equipped in such a way that the egg carriers to be inserted into the incubation trays are designed and arranged in such a way that a hatching egg placed on two roller bars touches two rollers of a bar and thus rests on four points.

The invention includes the fact that the roller bodies provided on the roller bars are designed in the shape of a disk and, in the broadest sense, a point-like support on the respective roller body is guaranteed for the corresponding egg. It is also ensured that each individual hatching egg placed on top is secured in this stable position, even when turned, does not change its necessary inclination, which has a positive effect on the incubation and hatching process, and continues to guarantee sufficient space for the hatched brood.

The rollers of the two roller bars on which the egg to be incubated rests are the same distance apart and are aligned with the opposite roller bars of the other roller bar. It is advantageous that the distance between the roller bars on the respective roller bar is approximately 3/5 of the average egg length.

When the hatching eggs are rolled on the rolling bodies, they automatically always assume their stable lying position, whereby even after repeated rolling (turning) they do not stand upright and move in their longitudinal direction.

This safe, stable position of the hatching eggs ensures the best possible hatching result.

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Depending on the technological process in the hatchery or in the corresponding incubator, the hatching eggs can be transferred to a normal hatching tray after the pre-incubation, or the incubation tray according to the invention is placed on an existing hatching tray, with the hatched chicks then falling through the roller bars into the hatching tray.

This technological process also has the advantage that unhatched eggs and some of the brood remains are automatically separated from the chicks.

The invention will be explained in more detail with the following example. The accompanying drawing shows in

Fig. 1 : a sectional view of a breeding shack

Fig. 2 : a side view according to Figure 1

Fig. 3 : a top view of the brood tray according to Figure 1

The incubation tray according to the invention consists in a known manner of a frame 1 in which roller rods 2 are rotatably inserted in corresponding receptacles 5. The roller bodies 3 are located on the roller rods 2 and are arranged so as to be longitudinally displaceable on the roller rods 2 and are disk-shaped, which can be seen in particular from Figure 1.

In the frame 1 of the incubator, the holders 5 are provided at different distances so that the roller bars 2 can be inserted into the

corresponding holder 5 can be inserted. The roller bars 2 are arranged in such a way that the eggs 4 placed on them do not touch each other. The position is fixed by the roller bodies 3, which can be moved on the roller bars 2 and only in this way is a change in the position of the eggs 4 possible.

Figures 2 and 3 clearly show the positions and storage of the eggs 4 in the incubation tray, whereby the hatching eggs 4 are placed on the roller body 3 in such a way that an egg 4 placed on two roller bars 2 touches two roller bodies 3 of a roller bar 2 and thus rests on four points.

The stable support of the respective egg 4 on the roller body 3 is further supported by the fact that the roller bodies 3 are made of a material with high frictional resistance, preferably rubber, and thus only change their position on the roller bodies 3 when a deliberate rotational movement of the roller bars 2 is initiated from the outside, which causes the eggs 4 to turn, but ensures their stable position and excludes longitudinal displacement of the eggs 4 on the roller bars 2 or roller bodies 3.

The rolling bodies 3 of the respective rolling rods 2 are at the same distance from one another and are aligned with the opposite rolling body 3 of the other rolling rod 2.

It is advantageous and inventive that the distance between the rolling bodies 3 on the respective rolling rod 2 is approximately 3/5 of the average length of the eggs 4 to be incubated.

It is also advantageous that the rolling bodies 3 are disk-shaped and ensure that the eggs 4 rest on the rolling bodies 3 at a point, which ensures that even after the eggs 4 have been turned several times, they do not stand upright or move in their longitudinal direction.

The eggs 4 are turned by placing the outer rolling bodies 1 on a base. (Fig. 1)

By moving the frame 1, the individual rolling rods 2 with the rolling bodies 3 are set in rotation. This also causes the eggs 4 on them to roll. The eggs can be turned by moving the trays back and forth by hand or by means of a mechanical drive.

The incubation tray created according to the invention has the further advantage that the hatching eggs are either transferred to a normal hatching tray, or the incubation tray is placed on another hatching tray, which is advantageous because the hatched chicks can then fall through the roller bars 2 of the incubation tray and unhatched eggs or part of the brood remains are automatically separated from the hatched chicks.

Claims (4)

claims TT 1. Incubation tray for mechanical hatching of eggs of all poultry species, without transfer between pre-incubation and hatching, wherein the hatching eggs are stored on egg carriers, characterized in that on the roller bars (2) of a hatching tray, which are mounted in a frame (1) at a selectable distance in receptacles (5) and on the roller bars (2) there are provided disc-shaped roller bodies (3) which can be moved in their longitudinal direction and which ensure a four-point support of the eggs (4) and are arranged at a certain distance which is approximately 3/5 of the respective egg length. 2. Brood tray according to claim 1, characterized in that the arrangement of the rolling elements (3) on the rolling rods (2) is such that an egg (4 ) placed on two rolling rods (2) touches two rolling elements (3) of an adjacent rolling rod (2) and thus rests on four points. 3. Brood tray according to claims 1 and 2, characterized in that the rolling elements (3) of the rolling rods (2) which are touched by an egg are at the same distance from each other and are aligned with the opposite rolling element (3) of the other rolling rod (2). —2— 4. Brood tray according to claims 1 to 3, characterized in that the rolling elements (3) are made of a material with high static friction resistance, preferably rubber.